* Converted modules that were still using the old (concrete syntax)

style of declaring Upstart jobs.  While at it, converted them to the
  current NixOS module style and improved some option descriptions.
  Hopefully I didn't break too much :-)

svn path=/nixos/trunk/; revision=17761

modules/services/audio/pulseaudio.nix

@@ -1,89 +1,88 @@
-{pkgs, config, ...}:
+{ config, pkgs, ... }:
+
+with pkgs.lib;
 
-###### interface
 let
-  inherit (pkgs.lib) mkOption mkIf;
 
   uid = config.ids.uids.pulseaudio;
   gid = config.ids.gids.pulseaudio;
 
-  options = {
-    services = {
-      pulseaudio = {
-        enable = mkOption {
-          default = false;
-          description = ''
-            Whether to enable the PulseAudio system-wide audio server.
-            Note that the documentation recommends running PulseAudio
-            daemons per-user rather than system-wide on desktop machines.
-          '';
-        };
-
-        logLevel = mkOption {
-          default = "notice";
-          example = "debug";
-          description = ''
-            A string denoting the log level: one of
-            <literal>error</literal>, <literal>warn</literal>,
-            <literal>notice</literal>, <literal>info</literal>,
-            or <literal>debug</literal>.
-          '';
-        };
-      };
-    };
-  };
 in
 
-###### implementation
+{
 
+  ###### interface
 
-mkIf config.services.pulseaudio.enable {
+  options = {
-  require = [
+  
-    options
+    services.pulseaudio = {
-  ];
+    
+      enable = mkOption {
+        default = false;
+        description = ''
+          Whether to enable the PulseAudio system-wide audio server.
+          Note that the documentation recommends running PulseAudio
+          daemons per-user rather than system-wide on desktop machines.
+        '';
+      };
 
-  environment = {
+      logLevel = mkOption {
-    systemPackages = [pkgs.pulseaudio];
+        default = "notice";
+        example = "debug";
+        description = ''
+          A string denoting the log level: one of
+          <literal>error</literal>, <literal>warn</literal>,
+          <literal>notice</literal>, <literal>info</literal>,
+          or <literal>debug</literal>.
+        '';
+      };
+
+    };
+    
   };
+  
 
-  users = {
+  ###### implementation
-    extraUsers = [
+
+  config = mkIf config.services.pulseaudio.enable {
+
+    environment.systemPackages = [ pkgs.pulseaudio ];
+
+    users.extraUsers = singleton
       { name = "pulse";
         # For some reason, PulseAudio wants UID == GID.
         uid = assert uid == gid; uid;
         group = "pulse";
         description = "PulseAudio system-wide daemon";
         home = "/var/run/pulse";
-      }
+      };
-    ];
 
-    extraGroups = [
+    users.extraGroups = singleton
       { name = "pulse";
         inherit gid;
-      }
+      };
-    ];
+
-  };
+    jobAttrs.pulseaudio =
-
+      { description = "PulseAudio system-wide server";
-  services = {
+
-    extraJobs = [{
+        startOn = "startup";
-      name = "pulseaudio";
+        stopOn = "shutdown";
-
+
-      job = ''
+        preStart =
-        description "PulseAudio system-wide server"
+          ''
-
+            test -d /var/run/pulse ||			\
-        start on startup
+            ( mkdir -p --mode 755 /var/run/pulse &&	\
-        stop on shutdown
+              chown pulse:pulse /var/run/pulse )
-
+          '';
-        start script
+
-          test -d /var/run/pulse ||			\
+        exec =
-          ( mkdir -p --mode 755 /var/run/pulse &&	\
+          ''
-            chown pulse:pulse /var/run/pulse )
+            ${pkgs.pulseaudio}/bin/pulseaudio           \
-        end script
+              --system --daemonize                      \
-
+              --log-level="${config.services.pulseaudio.logLevel}"
-        respawn ${pkgs.pulseaudio}/bin/pulseaudio               \
+          '';
-          --system --daemonize                                  \
+      };
-          --log-level="${config.services.pulseaudio.logLevel}"
+
-      '';
-    }];
   };
+  
 }

modules/services/logging/klogd.nix

@@ -1,8 +1,8 @@
-{pkgs, config, ...}:
+{ config, pkgs, ... }:
 
 ###### implementation
+
 let
-  inherit (pkgs.lib);
 
   klogdCmd = "${pkgs.sysklogd}/sbin/klogd -c 1 -2 -k $(dirname $(readlink -f /var/run/booted-system/kernel))/System.map";
 
@@ -10,24 +10,20 @@ in
 
 {
 
-  services = {
+  jobAttrs.klogd =
-    extraJobs = [{
+    { description = "Kernel log daemon";
-      name = "klogd";
-      
-      job = ''
-        description "Kernel log daemon"
-      
-        start on syslogd
-        stop on shutdown
 
-        start script
+      startOn = "syslogd";
+      stopOn = "shutdown";
+
+      preStart =
+        ''
           # !!! this hangs for some reason (it blocks reading from
           # /proc/kmsg).
           #${klogdCmd} -o
-        end script
+        '';
 
-        respawn ${klogdCmd} -n
+      exec = "${klogdCmd} -n";
-      '';
+    };
-    }];
+    
-  };
 }

modules/services/mail/dovecot.nix

@@ -1,8 +1,9 @@
-{pkgs, config, ...}:
+{ config, pkgs, ... }:
 
 with pkgs.lib;
 
-let 
+let
+
   startingDependency = if config.services.gw6c.enable then "gw6c" else "network-interfaces";
 
   cfg = config.services.dovecot;
@@ -112,23 +113,18 @@ in
         gid = config.ids.gids.dovecot;
       };
 
-    services.extraJobs = singleton
+    jobAttrs.dovecot =
-      { name = "dovecot";
+      { description = "Dovecot IMAP/POP3 server";
 
-        job =
+        startOn = "${startingDependency}/started";
+
+        preStart =
           ''
-            description "Dovecot IMAP/POP3 server"
+            ${pkgs.coreutils}/bin/mkdir -p /var/run/dovecot /var/run/dovecot/login 
-
+            ${pkgs.coreutils}/bin/chown -R ${cfg.user}.${cfg.group} /var/run/dovecot
-            start on ${startingDependency}/started
-            stop on never
-
-            start script
-              ${pkgs.coreutils}/bin/mkdir -p /var/run/dovecot /var/run/dovecot/login 
-              ${pkgs.coreutils}/bin/chown -R ${cfg.user}.${cfg.group} /var/run/dovecot
-            end script 
-
-            respawn ${pkgs.dovecot}/sbin/dovecot -F -c ${confFile}
           '';
+
+        exec = "${pkgs.dovecot}/sbin/dovecot -F -c ${confFile}";
       };
       
   };

modules/services/mail/postfix.nix

@@ -1,155 +1,9 @@
-{pkgs, config, ...}:
+{ config, pkgs, ... }:
 
-###### interface
+with pkgs.lib;
-let
-  inherit (pkgs.lib) mkOption mkIf;
-
-  options = {
-    services = {
-      postfix = {
-        enable = mkOption {
-          default = false;
-          description ="
-            Whether to run the Postfix mail server.
-          ";
-        };
-        user = mkOption {
-          default = "postfix";
-          description = "
-            How to call postfix user (must be used only for postfix).
-          ";
-        };
-        group = mkOption {
-          default = "postfix";
-          description = "
-            How to call postfix group (must be used only for postfix).
-          ";
-        };
-        setgidGroup = mkOption {
-          default = "postdrop";
-          description = "
-            How to call postfix setgid group (for postdrop). Should 
-            be uniquely used group.
-          ";
-        };
-        networks = mkOption {
-          default = null;
-          example = ["192.168.0.1/24"];
-          description = "
-            Net masks for trusted - allowed to relay mail to third parties - 
-            hosts. Leave empty to use mynetworks_style configuration or use 
-            default (localhost-only).
-          ";
-        };
-        networksStyle = mkOption {
-          default = "";
-          description = "
-            Name of standard way of trusted network specification to use,
-            leave blank if you specify it explicitly or if you want to use 
-            default (localhost-only).
-          ";
-        };
-        hostname = mkOption {
-          default = "";
-          description ="
-            Hostname to use. Leave blank to use just the hostname of machine.
-            It should be FQDN.
-          ";
-        };
-        domain = mkOption {
-          default = "";
-          description ="
-            Domain to use. Leave blank to use hostname minus first component.
-          ";
-        };
-        origin = mkOption {
-          default = "";
-          description ="
-            Origin to use in outgoing e-mail. Leave blank to use hostname.
-          ";
-        };
-        destination = mkOption {
-          default = null;
-          example = ["localhost"];
-          description = "
-            Full (!) list of domains we deliver locally. Leave blank for 
-            acceptable Postfix default.
-          ";
-        };
-        relayDomains = mkOption {
-          default = null;
-          example = ["localdomain"];
-          description = "
-            List of domains we agree to relay to. Default is the same as 
-            destination.
-          ";
-        };
-        relayHost = mkOption {
-          default = "";
-          description = "
-            Mail relay for outbound mail.
-          ";
-        };
-        lookupMX = mkOption {
-          default = false;
-          description = "
-            Whether relay specified is just domain whose MX must be used.
-          ";
-        };
-        postmasterAlias = mkOption {
-          default = "root";
-          description = "
-            Who should receive postmaster e-mail.
-          ";
-        };
-        rootAlias = mkOption {
-          default = "";
-          description = "
-            Who should receive root e-mail. Blank for no redirection.
-          ";
-        };
-        extraAliases = mkOption {
-          default = "";
-          description = "
-            Additional entries to put verbatim into aliases file.
-          ";
-        };
-
-        sslCert = mkOption {
-          default = "";
-          description = "
-            SSL certificate to use.
-          ";
-        };
-        sslCACert = mkOption {
-          default = "";
-          description = "
-            SSL certificate of CA.
-          ";
-        };
-        sslKey = mkOption {
-          default = "";
-          description ="
-            SSL key to use.
-          ";
-        };
-
-        recipientDelimiter = mkOption {
-          default = "";
-          example = "+";
-          description = "
-            Delimiter for address extension: so mail to user+test can be handled by ~user/.forward+test
-          ";
-        };
-
-      };
-    };
-  };
-in
-
-###### implementation
 
 let
+
   startingDependency = if config.services.gw6c.enable then "gw6c" else "network-interfaces";
 
   cfg = config.services.postfix;
@@ -157,94 +11,86 @@ let
   group = cfg.group;
   setgidGroup = cfg.setgidGroup;
 
-  optionalString = pkgs.lib.optionalString;
-  concatStringsSep = pkgs.lib.concatStringsSep;
   mainCf = 
-  ''
+    ''
-    queue_directory = /var/postfix/queue
+      queue_directory = /var/postfix/queue
-    command_directory = ${pkgs.postfix}/sbin
+      command_directory = ${pkgs.postfix}/sbin
-    daemon_directory = ${pkgs.postfix}/libexec/postfix
+      daemon_directory = ${pkgs.postfix}/libexec/postfix
 
-    mail_owner = ${user}
+      mail_owner = ${user}
-    default_privs = nobody
+      default_privs = nobody
 
-  ''
+    ''
-  + optionalString (config.services.gw6c.enable || config.networking.nativeIPv6) (''
+    + optionalString (config.services.gw6c.enable || config.networking.nativeIPv6) (''
-    inet_protocols = all
+      inet_protocols = all
-  '')
-  +
-  (if cfg.networks!=null then
-    (''
-      mynetworks = ${concatStringsSep ", " cfg.networks}
-    '') 
-  else if (cfg.networksStyle != "") then
-    (''
-      mynetworks_style = ${cfg.networksStyle} 
     '')
-  else
+    + (if cfg.networks != null then
-    # Postfix default is subnet, but let's play safe
+        ''
-    (''
+          mynetworks = ${concatStringsSep ", " cfg.networks}
-      mynetworks_style = host
+        ''
-    '')
+      else if cfg.networksStyle != "" then
-  )
+        ''
-  + optionalString (cfg.hostname != "") (''
+          mynetworks_style = ${cfg.networksStyle} 
-    myhostname = ${cfg.hostname}
+        ''
-  '')
+      else
-  + optionalString (cfg.domain != "") (''
+        # Postfix default is subnet, but let's play safe
-    mydomain = ${cfg.domain}
+        ''
-  '')
+          mynetworks_style = host
-  + optionalString (cfg.origin != "") (''
+        '')
-    myorigin = ${cfg.origin}
+    + optionalString (cfg.hostname != "") ''
-  '')
+      myhostname = ${cfg.hostname}
-  + optionalString (cfg.destination != null) (''
+    ''
-    mydestination = ${concatStringsSep ", " cfg.destination}
+    + optionalString (cfg.domain != "") ''
-  '')
+      mydomain = ${cfg.domain}
-  + optionalString (cfg.relayDomains != null) (''
+    ''
-    relay_domains = ${concatStringsSep ", " cfg.relayDomains}
+    + optionalString (cfg.origin != "") ''
-  '')
+      myorigin = ${cfg.origin}
-  + ''
+    ''
-    local_recipient_maps = 
+    + optionalString (cfg.destination != null) ''
-  ''
+      mydestination = ${concatStringsSep ", " cfg.destination}
-  + (''
+    ''
-    relayhost = ${if cfg.lookupMX || cfg.relayHost == "" then 
+    + optionalString (cfg.relayDomains != null) ''
-        cfg.relayHost 
+      relay_domains = ${concatStringsSep ", " cfg.relayDomains}
-      else 
+    ''
-        "[" + cfg.relayHost + "]"}
+    + ''
-  '')
+      local_recipient_maps =
-  + (''
+      
-    alias_maps = hash:/var/postfix/conf/aliases
+      relayhost = ${if cfg.lookupMX || cfg.relayHost == "" then 
+          cfg.relayHost 
+        else 
+          "[" + cfg.relayHost + "]"}
+          
+      alias_maps = hash:/var/postfix/conf/aliases
 
-    mail_spool_directory = /var/spool/mail/
+      mail_spool_directory = /var/spool/mail/
 
-    setgid_group = ${setgidGroup}
+      setgid_group = ${setgidGroup}
-  '')
+    ''
-  + optionalString (cfg.sslCert != "") (''
+    + optionalString (cfg.sslCert != "") ''
 
-    smtp_tls_CAfile = ${cfg.sslCACert}
+      smtp_tls_CAfile = ${cfg.sslCACert}
-    smtp_tls_cert_file = ${cfg.sslCert}
+      smtp_tls_cert_file = ${cfg.sslCert}
-    smtp_tls_key_file = ${cfg.sslKey}
+      smtp_tls_key_file = ${cfg.sslKey}
 
-    smtp_use_tls = yes
+      smtp_use_tls = yes
 
-    smtpd_tls_CAfile = ${cfg.sslCACert}
+      smtpd_tls_CAfile = ${cfg.sslCACert}
-    smtpd_tls_cert_file = ${cfg.sslCert}
+      smtpd_tls_cert_file = ${cfg.sslCert}
-    smtpd_tls_key_file = ${cfg.sslKey}
+      smtpd_tls_key_file = ${cfg.sslKey}
 
-    smtpd_use_tls = yes 
+      smtpd_use_tls = yes 
 
-    recipientDelimiter = ${cfg.recipientDelimiter}
+      recipientDelimiter = ${cfg.recipientDelimiter}
 
-  '')
+    '';
-  ;
 
   aliases = 
-    (optionalString (cfg.postmasterAlias != "") (''
+    optionalString (cfg.postmasterAlias != "") ''
       postmaster: ${cfg.postmasterAlias}
-    ''))
+    ''
-    +
+    + optionalString (cfg.rootAlias != "") ''
-    (optionalString (cfg.rootAlias != "") (''
       root: ${cfg.rootAlias}
-    ''))
+    ''
     + cfg.extraAliases
   ;
 
@@ -253,54 +99,194 @@ let
  
 in
 
-mkIf config.services.postfix.enable {
+{
-  require = [
+
-    options
+  ###### interface
-  ];
+
+  options = {
+  
+    services.postfix = {
+    
+      enable = mkOption {
+        default = false;
+        description = "Whether to run the Postfix mail server.";
+      };
+      
+      user = mkOption {
+        default = "postfix";
+        description = "What to call the Postfix user (must be used only for postfix).";
+      };
+      
+      group = mkOption {
+        default = "postfix";
+        description = "What to call the Postfix group (must be used only for postfix).";
+      };
+      
+      setgidGroup = mkOption {
+        default = "postdrop";
+        description = "
+          How to call postfix setgid group (for postdrop). Should 
+          be uniquely used group.
+        ";
+      };
+      
+      networks = mkOption {
+        default = null;
+        example = ["192.168.0.1/24"];
+        description = "
+          Net masks for trusted - allowed to relay mail to third parties - 
+          hosts. Leave empty to use mynetworks_style configuration or use 
+          default (localhost-only).
+        ";
+      };
+      
+      networksStyle = mkOption {
+        default = "";
+        description = "
+          Name of standard way of trusted network specification to use,
+          leave blank if you specify it explicitly or if you want to use 
+          default (localhost-only).
+        ";
+      };
+      
+      hostname = mkOption {
+        default = "";
+        description ="
+          Hostname to use. Leave blank to use just the hostname of machine.
+          It should be FQDN.
+        ";
+      };
+      
+      domain = mkOption {
+        default = "";
+        description ="
+          Domain to use. Leave blank to use hostname minus first component.
+        ";
+      };
+      
+      origin = mkOption {
+        default = "";
+        description ="
+          Origin to use in outgoing e-mail. Leave blank to use hostname.
+        ";
+      };
+      
+      destination = mkOption {
+        default = null;
+        example = ["localhost"];
+        description = "
+          Full (!) list of domains we deliver locally. Leave blank for 
+          acceptable Postfix default.
+        ";
+      };
+      
+      relayDomains = mkOption {
+        default = null;
+        example = ["localdomain"];
+        description = "
+          List of domains we agree to relay to. Default is the same as 
+          destination.
+        ";
+      };
+      
+      relayHost = mkOption {
+        default = "";
+        description = "
+          Mail relay for outbound mail.
+        ";
+      };
+      
+      lookupMX = mkOption {
+        default = false;
+        description = "
+          Whether relay specified is just domain whose MX must be used.
+        ";
+      };
+      
+      postmasterAlias = mkOption {
+        default = "root";
+        description = "Who should receive postmaster e-mail.";
+      };
+      
+      rootAlias = mkOption {
+        default = "";
+        description = "
+          Who should receive root e-mail. Blank for no redirection.
+        ";
+      };
+      
+      extraAliases = mkOption {
+        default = "";
+        description = "
+          Additional entries to put verbatim into aliases file.
+        ";
+      };
+
+      sslCert = mkOption {
+        default = "";
+        description = "SSL certificate to use.";
+      };
+      
+      sslCACert = mkOption {
+        default = "";
+        description = "SSL certificate of CA.";
+      };
+      
+      sslKey = mkOption {
+        default = "";
+        description = "SSL key to use.";
+      };
+
+      recipientDelimiter = mkOption {
+        default = "";
+        example = "+";
+        description = "
+          Delimiter for address extension: so mail to user+test can be handled by ~user/.forward+test
+        ";
+      };
+
+    };
 
-  environment = {
-    etc = [{
-      source = "/var/postfix/conf";
-      target = "postfix";
-    }];
   };
 
-  users = {
+
-    extraUsers = [
+  ###### implementation
+
+  config = mkIf config.services.postfix.enable {
+
+    environment.etc = singleton
+      { source = "/var/postfix/conf";
+        target = "postfix";
+      };
+
+    users.extraUsers = singleton
       { name = user;
         description = "Postfix mail server user";
         uid = config.ids.uids.postfix;
         group = group;
-      }
+      };
-    ];
-
-    extraGroups = [
-      { name = group; 
-        gid = config.ids.gids.postfix;
-      }
-      { name = setgidGroup; 
-        gid = config.ids.gids.postdrop;
-      }
-    ];
-  };
-
-  services = {
-    extraJobs = [{
-      name = "postfix";
 
+    users.extraGroups =
+      [ { name = group; 
+          gid = config.ids.gids.postfix;
+        }
+        { name = setgidGroup; 
+          gid = config.ids.gids.postdrop;
+        }
+      ];
 
+    jobAttrs.postfix =
       # I copy _lots_ of shipped configuration filed 
       # that can be left as is. I am afraid the exact
       # will list slightly change in next Postfix 
       # release, so listing them all one-by-one in an 
       # accurate way is unlikely to be better.
-      job = ''
+      { description = "Postfix mail server";
-        description "Postfix mail server job"
 
-        start on ${startingDependency}/started
+        startOn = "${startingDependency}/started";
-        stop on never
 
-        script 
+        script =
+          ''
             if ! [ -d /var/spool/postfix ]; then
               ${pkgs.coreutils}/bin/mkdir -p /var/spool/mail /var/postfix/conf /var/postfix/queue
             fi
@@ -318,10 +304,11 @@ mkIf config.services.postfix.enable {
 
             ${pkgs.postfix}/sbin/postalias -c /var/postfix/conf /var/postfix/conf/aliases
             
-            ${pkgs.postfix}/sbin/postfix -c /var/postfix/conf start 
+            ${pkgs.postfix}/sbin/postfix -c /var/postfix/conf start
-        end script
+          ''; # */
-      '';
+
+      };
 
-    }];
   };
+
 }

modules/services/misc/autofs.nix

@@ -1,107 +1,99 @@
-{pkgs, config, ...}:
+{ config, pkgs, ... }:
+
+with pkgs.lib;
 
-###### interface
 let
-  inherit (pkgs.lib) mkOption mkIf;
 
-  options = {
+  cfg = config.services.autofs;
-    services = {
-
-      autofs = {
-        enable = mkOption {
-          default = false;
-          description = "
-            automatically mount and unmount filesystems
-          ";
-        };
-
-        autoMaster = mkOption {
-          example = ''
-            autoMaster = let
-              mapConf = pkgs.writeText "auto" '''
-               kernel    -ro,soft,intr       ftp.kernel.org:/pub/linux
-               boot      -fstype=ext2        :/dev/hda1
-               windoze   -fstype=smbfs       ://windoze/c
-               removable -fstype=ext2        :/dev/hdd
-               cd        -fstype=iso9660,ro  :/dev/hdc
-               floppy    -fstype=auto        :/dev/fd0
-               server    -rw,hard,intr       / -ro myserver.me.org:/ \
-                                             /usr myserver.me.org:/usr \
-                                             /home myserver.me.org:/home
-              ''';
-            in '''
-              /auto file:''${mapConf}
-            '''
-          '';
-          description = "
-            file contents of /etc/auto.master. See man auto.master
-            see 
-            man auto.master and man 5 autofs
-          ";
-        };
-
-        timeout = mkOption {
-          default = 600;
-          description = "Set the global minimum timeout, in seconds, until directories are unmounted";
-        };
-
-        debug = mkOption {
-          default = false;
-          description = "pass -d to automount and write log to /var/log/autofs";
-        };
-      };
-    };
-  };
-
-###### implementation
-
-  inherit (pkgs) lib writeTextopenssh autofs5;
-
-  cfg = (config.services.autofs);
-
-  modprobe = config.system.sbin.modprobe;
 
 in
 
-mkIf cfg.enable {
+{
 
-  require = [
+  ###### interface
-    options
-  ];
 
-  environment = {
+  options = {
-    etc =
+  
-      [ {
+    services.autofs = {
-        target = "auto.master";
+    
+      enable = mkOption {
+        default = false;
+        description = "
+          automatically mount and unmount filesystems
+        ";
+      };
+
+      autoMaster = mkOption {
+        example = ''
+          autoMaster = let
+            mapConf = pkgs.writeText "auto" '''
+             kernel    -ro,soft,intr       ftp.kernel.org:/pub/linux
+             boot      -fstype=ext2        :/dev/hda1
+             windoze   -fstype=smbfs       ://windoze/c
+             removable -fstype=ext2        :/dev/hdd
+             cd        -fstype=iso9660,ro  :/dev/hdc
+             floppy    -fstype=auto        :/dev/fd0
+             server    -rw,hard,intr       / -ro myserver.me.org:/ \
+                                           /usr myserver.me.org:/usr \
+                                           /home myserver.me.org:/home
+            ''';
+          in '''
+            /auto file:''${mapConf}
+          '''
+        '';
+        description = "
+          file contents of /etc/auto.master. See man auto.master
+          see 
+          man auto.master and man 5 autofs
+        ";
+      };
+
+      timeout = mkOption {
+        default = 600;
+        description = "Set the global minimum timeout, in seconds, until directories are unmounted";
+      };
+
+      debug = mkOption {
+        default = false;
+        description = "pass -d to automount and write log to /var/log/autofs";
+      };
+      
+    };
+
+  };
+
+
+  ###### implementation
+
+  config = mkIf cfg.enable {
+
+    environment.etc = singleton
+      { target = "auto.master";
         source = pkgs.writeText "auto.master" cfg.autoMaster;
-      }];
+      };
-  };
+
-
+    jobAttrs.autofs =
-  services = {
+      { description = "Filesystem automounter";
-    extraJobs = [
+
-    {
+        startOn = "network-interfaces/started";
-      name = "autofs";
+        stopOn = "network-interfaces/stop";
-
+
-      # kernel module autofs  supports kernel protocol v3
+        environment =
-      # kernel module autofs4 supports kernel protocol v3, v4, v5
+          { PATH = "${pkgs.nfsUtils}/sbin:${config.system.sbin.modprobe}/sbin";
-      job = ''
+          };
-        description "automatically mount filesystems"
+
-
+        preStart =
-        start on network-interfaces/started
+          ''
-        stop on network-interfaces/stop
+            modprobe autofs4 || true
-
+          '';
-        PATH=${pkgs.nfsUtils}/sbin:${modprobe}/sbin
+
-
+        script =
-        start script
+          ''
-          modprobe autofs4 || true
+            ${if cfg.debug then "exec &> /var/log/autofs" else ""}
-        end script
+            ${pkgs.autofs5}/sbin/automount -f -t ${builtins.toString cfg.timeout} ${if cfg.debug then "-d" else ""} "${pkgs.writeText "auto.master" cfg.autoMaster}"
-
+          '';
-        script
+      };
-          ${if cfg.debug then "exec &> /var/log/autofs" else ""}
+          
-          ${pkgs.autofs5}/sbin/automount -f -t ${builtins.toString cfg.timeout} ${if cfg.debug then "-d" else ""} "${pkgs.writeText "auto.master" cfg.autoMaster}"
-        end script
-      '';
-    }
-    ];
   };
+  
 }

modules/services/misc/disnix.nix

@@ -1,62 +1,57 @@
 # Disnix server
-{config, pkgs, ...}:
+{ config, pkgs, ... }:
+
+with pkgs.lib;
 
-###### interface
 let
-  inherit (pkgs.lib) mkOption;
+
+  cfg = config.services.disnix;
+
+in
+
+{
+
+  ###### interface
   
   options = {
-    services = {
-      disnix = {
-        enable = mkOption {
-          default = false;
-          description = "Whether to enable Disnix";
-        };        
-      };
-    };
-  };
-in
-
-###### implementation
-let
-  cfg = config.services.disnix;
-  inherit (pkgs.lib) mkIf;
-
-  job = {
-    name = "disnix";
-        
-    job = ''
-      description "Disnix server"
-
-      start on dbus
-      stop on shutdown  
-    
-      script
-        export ACTIVATION_SCRIPTS=${pkgs.disnix_activation_scripts}/libexec/disnix/activation-scripts
-        export PATH=${pkgs.nixUnstable}/bin
-        export HOME=/root
-	
-        ${pkgs.disnix}/bin/disnix-service
-      end script
-    '';
-  };
-in
-
-mkIf cfg.enable {
-  require = [
-    #../upstart-jobs/default.nix
-    #../upstart-jobs/dbus.nix # services.dbus.*
-    options
-  ];
   
-  environment.systemPackages = [ pkgs.disnix ];
+    services.disnix = {
+    
+      enable = mkOption {
+        default = false;
+        description = "Whether to enable Disnix";
+      };        
 
-  services = {
-    extraJobs = [job];
-
-    dbus = {
-      enable = true;
-      packages = [ pkgs.disnix ];
     };
+    
   };
+  
+
+  ###### implementation
+
+  config = mkIf cfg.enable {
+
+    environment.systemPackages = [ pkgs.disnix ];
+
+    services.dbus.enable = true;
+    services.dbus.packages = [ pkgs.disnix ];
+
+    jobAttrs.disnix =
+      { description = "Disnix server";
+
+        startOn = "dbus";
+        stopOn = "shutdown";
+
+        script =
+          ''    
+            export ACTIVATION_SCRIPTS=${pkgs.disnix_activation_scripts}/libexec/disnix/activation-scripts
+            export PATH=${pkgs.nixUnstable}/bin
+            export HOME=/root
+	
+            ${pkgs.disnix}/bin/disnix-service
+          '';
+      };
+
+  };
+
 }

modules/services/misc/gpsd.nix

@@ -1,108 +1,105 @@
-{pkgs, config, ...}:
+{ config, pkgs, ... }:
+
+with pkgs.lib;
 
-###### interface
 let
-  inherit (pkgs.lib) mkOption mkIf;
 
   uid = config.ids.uids.gpsd;
   gid = config.ids.gids.gpsd;
-
+  cfg = config.services.gpsd;
-  options = {
+  
-    services = {
-      gpsd = {
-
-        enable = mkOption {
-          default = false;
-          description = ''
-            Whether to enable `gpsd', a GPS service daemon.
-          '';
-        };
-
-        device = mkOption {
-          default = "/dev/ttyUSB0";
-          description = ''
-            A device may be a local serial device for GPS input, or a URL of the form:
-                 <literal>[{dgpsip|ntrip}://][user:passwd@]host[:port][/stream]</literal>
-            in which case it specifies an input source for DGPS or ntrip data.
-          '';
-        };
-
-        readonly = mkOption {
-          default = true;
-          description = ''
-            Whether to enable the broken-device-safety, otherwise
-            known as read-only mode.  Some popular bluetooth and USB
-            receivers lock up or become totally inaccessible when
-            probed or reconfigured.  This switch prevents gpsd from
-            writing to a receiver.  This means that gpsd cannot
-            configure the receiver for optimal performance, but it
-            also means that gpsd cannot break the receiver.  A better
-            solution would be for Bluetooth to not be so fragile.  A
-            platform independent method to identify
-            serial-over-Bluetooth devices would also be nice.
-          '';
-        };
-
-        port = mkOption {
-          default = 2947;
-          description = ''
-            The port where to listen for TCP connections.
-          '';
-        };
-
-        debugLevel = mkOption {
-          default = 0;
-          description = ''
-            The debugging level.
-          '';
-        };
-
-      };
-    };
-  };
-
 in
 
-###### implementation
+{
-mkIf config.services.gpsd.enable {
+
-  require = [
+  ###### interface
-    options
+
-  ];
+  options = {
   
-  users = {
+    services.gpsd = {
-    extraUsers = [
+
+      enable = mkOption {
+        default = false;
+        description = ''
+          Whether to enable `gpsd', a GPS service daemon.
+        '';
+      };
+
+      device = mkOption {
+        default = "/dev/ttyUSB0";
+        description = ''
+          A device may be a local serial device for GPS input, or a URL of the form:
+               <literal>[{dgpsip|ntrip}://][user:passwd@]host[:port][/stream]</literal>
+          in which case it specifies an input source for DGPS or ntrip data.
+        '';
+      };
+
+      readonly = mkOption {
+        default = true;
+        description = ''
+          Whether to enable the broken-device-safety, otherwise
+          known as read-only mode.  Some popular bluetooth and USB
+          receivers lock up or become totally inaccessible when
+          probed or reconfigured.  This switch prevents gpsd from
+          writing to a receiver.  This means that gpsd cannot
+          configure the receiver for optimal performance, but it
+          also means that gpsd cannot break the receiver.  A better
+          solution would be for Bluetooth to not be so fragile.  A
+          platform independent method to identify
+          serial-over-Bluetooth devices would also be nice.
+        '';
+      };
+
+      port = mkOption {
+        default = 2947;
+        description = ''
+          The port where to listen for TCP connections.
+        '';
+      };
+
+      debugLevel = mkOption {
+        default = 0;
+        description = ''
+          The debugging level.
+        '';
+      };
+
+    };
+
+  };
+
+
+  ###### implementation
+  
+  config = mkIf cfg.enable {
+  
+    users.extraUsers = singleton
       { name = "gpsd";
         inherit uid;
         description = "gpsd daemon user";
         home = "/var/empty";
-      }
+      };
-    ];
 
-    extraGroups = [
+    users.extraGroups = singleton
       { name = "gpsd";
         inherit gid;
-      }
+      };
-    ];
-  };
 
-  services =
+    jobAttrs.gpsd =
-    let cfg = config.services.gpsd; in {
+      { description = "GPSD daemon";
-      extraJobs = [{
-        name = "gpsd";
 
-        job =
+        startOn = "network-interfaces/started";
-          let gpsd = pkgs.gpsd;
+        stopOn = "network-interfaces/stop";
-          in ''
-            description "GPSD daemon"
 
-            start on network-interfaces/started
+        exec =
-            stop on network-interfaces/stop
+          ''
-
+            respawn ${pkgs.gpsd}/sbin/gpsd -D "${toString cfg.debugLevel}"   \
-            respawn ${gpsd}/sbin/gpsd -D "${toString cfg.debugLevel}"   \
+                       -S "${toString cfg.port}"                             \
-                       -S "${toString cfg.port}"                        \
+                       ${if cfg.readonly then "-b" else ""}                  \
-                       ${if cfg.readonly then "-b" else ""}             \
                        "${cfg.device}"
           '';
-        }];
       };
+
+  };
+  
 }

modules/services/misc/nixos-manual.nix

@@ -3,12 +3,12 @@
 # of the virtual consoles.  The latter is useful for the installation
 # CD.
 
-{pkgs, config, options, ...}:
+{ config, pkgs, options, ... }:
+
+with pkgs.lib;
 
 let
 
-  inherit (pkgs.lib) mkOption mkIf types;
-
   cfg = config.services.nixosManual;
 
   manual = import ../../../doc/manual {
@@ -72,18 +72,22 @@ in
 
     boot.extraTTYs = mkIf cfg.showManual [cfg.ttyNumber];
 
-    services.extraJobs = mkIf cfg.showManual (pkgs.lib.singleton
+    jobAttrs = mkIf cfg.showManual
-      { name = "nixos-manual";
+      { nixosManual = 
+        { name = "nixos-manual";
 
-        job = ''
+          description = "NixOS manual";
-          description "NixOS manual"
 
-          start on udev
+          startOn = "udev";
-          stop on shutdown
+          stopOn = "shutdown";
-          respawn ${cfg.browser} ${manual}/share/doc/nixos/manual.html \
+
-            < /dev/tty${toString cfg.ttyNumber} > /dev/tty${toString cfg.ttyNumber} 2>&1
+          exec =
-        '';
+            ''
-      });
+              ${cfg.browser} ${manual}/share/doc/nixos/manual.html \
+                < /dev/tty${toString cfg.ttyNumber} > /dev/tty${toString cfg.ttyNumber} 2>&1
+            '';
+        };
+      };
 
     services.ttyBackgrounds.specificThemes = mkIf cfg.showManual 
       [ { tty = cfg.ttyNumber;

modules/services/misc/synergy.nix

@@ -1,106 +1,108 @@
+{ config, pkgs, ... }:
 
-{pkgs, config, ...}:
+with pkgs.lib;
 
-###### interface
 let
-  inherit (pkgs.lib) mkOption mkIf;
 
-  options = {
+  cfgC = config.services.synergy.client;
-    services = {
+  cfgS = config.services.synergy.server;
-      synergy = {
-
-        client = {
-          enable = mkOption {
-            default = false;
-            description = "
-              Whether to enable the synergy client (receive keyboard and mouse events from a synergy server)
-            ";
-          };
-          screenName = mkOption {
-            default = "";
-            description = " 
-              use screen-name instead the hostname to identify
-              ourselfs to the server.
-              ";
-          };
-        };
-
-        server = {
-          enable = mkOption {
-            default = false;
-            description = "
-              Whether to enable the synergy server (send keyboard and mouse events)
-            ";
-          };
-          configFile = mkOption {
-            default = "/etc/synergy-server.conf";
-            description = "
-              The synergy server configuration file. open upstart-jobs/synergy.nix to see an example
-            ";
-          };
-          screenName = mkOption {
-            default = "";
-            description = " 
-              use screen-name instead the hostname to identify
-              this screen in the configuration.
-              ";
-          };
-          address = mkOption {
-            default = "";
-            description = "listen for clients on the given address";
-          };
-        };
-      };
-    };
-  };
-
-###### implementation
-
-  inherit (pkgs.lib) optional;
-
-  cfgC = (config.services.synergy.client);
-  cfgS = (config.services.synergy.server);
-
-  clientJob = {
-    name = "synergy-client";
-
-    job = ''
-      description "synergy client"
-
-      start on started network-interfaces
-      stop on stopping network-interfaces
-
-      respawn ${pkgs.synergy}/bin/synergyc ${if cfgS.screenName == "" then "" else "-n ${cfgS.screenName}" }
-    '';
-  };
-
-  serverJob = {
-    name = "synergy-server";
-
-    job = ''
-      description "synergy server"
-
-      start on started network-interfaces
-      stop on stopping network-interfaces
-
-      respawn ${pkgs.synergy}/bin/synergys -c ${cfgS.configFile} \
-       -f ${if cfgS.address == "" then "" else "-a ${cfgS.address}"} \
-       ${if cfgS.screenName == "" then "" else "-n ${cfgS.screenName}" }
-    '';
-  };
 
 in
 
-
 {
-  require = [
+  ###### interface
-    options
+
-  ];
+  options = {
+  
+    services.synergy = {
+
+      # !!! All these option descriptions needs to be cleaned up.
+
+      client = {
+        enable = mkOption {
+          default = false;
+          description = "
+            Whether to enable the synergy client (receive keyboard and mouse events from a synergy server)
+          ";
+        };
+        screenName = mkOption {
+          default = "";
+          description = " 
+            use screen-name instead the hostname to identify
+            ourselfs to the server.
+            ";
+        };
+      };
+
+      server = {
+        enable = mkOption {
+          default = false;
+          description = "
+            Whether to enable the synergy server (send keyboard and mouse events)
+          ";
+        };
+        configFile = mkOption {
+          default = "/etc/synergy-server.conf";
+          description = "
+            The synergy server configuration file. open upstart-jobs/synergy.nix to see an example
+          ";
+        };
+        screenName = mkOption {
+          default = "";
+          description = " 
+            use screen-name instead the hostname to identify
+            this screen in the configuration.
+            ";
+        };
+        address = mkOption {
+          default = "";
+          description = "listen for clients on the given address";
+        };
+      };
+    };
 
-  services = {
-    extraJobs = (optional cfgS.enable serverJob) 
-             ++ (optional cfgC.enable clientJob);
   };
+
+
+  ###### implementation
+
+  config = {
+
+    jobAttrs =
+    
+      optionalAttrs cfgC.enable
+        { synergyClient = 
+          { name = "synergy-client";
+
+            description = "Synergy client";
+
+            startOn = "network-interfaces/started";
+            stopOn = "network-interfaces/stopped";
+
+            exec = "${pkgs.synergy}/bin/synergyc ${if cfgS.screenName == "" then "" else "-n ${cfgS.screenName}" }";
+          };
+        }
+        
+      // optionalAttrs cfgS.enable
+        { synergyServer = 
+          { name = "synergy-server";
+
+            description = "Synergy server";
+
+            startOn = "network-interfaces/started";
+            stopOn = "network-interfaces/stopped";
+
+            exec =
+              ''
+                respawn ${pkgs.synergy}/bin/synergys -c ${cfgS.configFile} \
+                  -f ${if cfgS.address == "" then "" else "-a ${cfgS.address}"} \
+                  ${if cfgS.screenName == "" then "" else "-n ${cfgS.screenName}" }
+              '';
+          };
+        };
+
+  };
+
 }
 
 /* SYNERGY SERVER example configuration file

modules/services/monitoring/nagios/default.nix

@@ -1,65 +1,11 @@
 # Nagios system/network monitoring daemon.
-{config, pkgs, ...}:
+{ config, pkgs, ... }:
+
+with pkgs.lib;
 
-###### interface
 let
-  inherit (pkgs.lib) mkOption;
 
-  options = {
-    services = {
-      nagios = {
-
-        enable = mkOption {
-          default = false;
-          description = "
-            Whether to use <link
-            xlink:href='http://www.nagios.org/'>Nagios</link> to monitor
-            your system or network.
-          ";
-        };
-
-        objectDefs = mkOption {
-          description = "
-            A list of Nagios object configuration files that must define
-            the hosts, host groups, services and contacts for the
-            network that you want Nagios to monitor.
-          ";
-        };
-
-        plugins = mkOption {
-          default = [pkgs.nagiosPluginsOfficial pkgs.ssmtp];
-          description = "
-            Packages to be added to the Nagios <envar>PATH</envar>.
-            Typically used to add plugins, but can be anything.
-          ";
-        };
-
-        enableWebInterface = mkOption {
-          default = false;
-          description = "
-            Whether to enable the Nagios web interface.  You should also
-            enable Apache (<option>services.httpd.enable</option>).
-          ";
-        };
-
-        urlPath = mkOption {
-          default = "/nagios";
-          description = "
-            The URL path under which the Nagios web interface appears.
-            That is, you can access the Nagios web interface through
-            <literal>http://<replaceable>server</replaceable>/<replaceable>urlPath</replaceable></literal>.
-          ";
-        };
-
-      };
-    };
-  };
-in
-
-###### implementation
-let
   cfg = config.services.nagios;
-  inherit (pkgs.lib) mkIf mkThenElse;
 
   nagiosUser = "nagios";
   nagiosGroup = "nogroup";
@@ -67,146 +13,184 @@ let
   nagiosState = "/var/lib/nagios";
   nagiosLogDir = "/var/log/nagios";
 
-  nagiosObjectDefs = [
+  nagiosObjectDefs =
-    ./timeperiods.cfg
+    [ ./timeperiods.cfg
-    ./host-templates.cfg
+      ./host-templates.cfg
-    ./service-templates.cfg
+      ./service-templates.cfg
-    ./commands.cfg
+      ./commands.cfg
-  ] ++ cfg.objectDefs;
+    ] ++ cfg.objectDefs;
 
   nagiosObjectDefsDir = pkgs.runCommand "nagios-objects" {inherit nagiosObjectDefs;}
     "ensureDir $out; ln -s $nagiosObjectDefs $out/";
 
-  nagiosCfgFile = pkgs.writeText "nagios.cfg" "
+  nagiosCfgFile = pkgs.writeText "nagios.cfg"
-  
+    ''
-    # Paths for state and logs.
+      # Paths for state and logs.
-    log_file=${nagiosLogDir}/current
+      log_file=${nagiosLogDir}/current
-    log_archive_path=${nagiosLogDir}/archive
+      log_archive_path=${nagiosLogDir}/archive
-    status_file=${nagiosState}/status.dat
+      status_file=${nagiosState}/status.dat
-    object_cache_file=${nagiosState}/objects.cache
+      object_cache_file=${nagiosState}/objects.cache
-    comment_file=${nagiosState}/comment.dat
+      comment_file=${nagiosState}/comment.dat
-    downtime_file=${nagiosState}/downtime.dat
+      downtime_file=${nagiosState}/downtime.dat
-    temp_file=${nagiosState}/nagios.tmp
+      temp_file=${nagiosState}/nagios.tmp
-    lock_file=/var/run/nagios.lock # Not used I think.
+      lock_file=/var/run/nagios.lock # Not used I think.
-    state_retention_file=${nagiosState}/retention.dat
+      state_retention_file=${nagiosState}/retention.dat
 
-    # Configuration files.
+      # Configuration files.
-    #resource_file=resource.cfg
+      #resource_file=resource.cfg
-    cfg_dir=${nagiosObjectDefsDir}
+      cfg_dir=${nagiosObjectDefsDir}
 
-    # Uid/gid that the daemon runs under.
+      # Uid/gid that the daemon runs under.
-    nagios_user=${nagiosUser}
+      nagios_user=${nagiosUser}
-    nagios_group=${nagiosGroup}
+      nagios_group=${nagiosGroup}
 
-    # Misc. options.
+      # Misc. options.
-    illegal_macro_output_chars=`~$&|'\"<>
+      illegal_macro_output_chars=`~$&|'"<>
-    retain_state_information=1
+      retain_state_information=1
+    ''; # "
     
-  ";
-
   # Plain configuration for the Nagios web-interface with no
   # authentication.
-  nagiosCGICfgFile = pkgs.writeText "nagios.cgi.conf" "
+  nagiosCGICfgFile = pkgs.writeText "nagios.cgi.conf"
-    main_config_file=${nagiosCfgFile}
+    ''
-    use_authentication=0
+      main_config_file=${nagiosCfgFile}
-    url_html_path=/nagios
+      use_authentication=0
-  ";
+      url_html_path=/nagios
+    '';
 
   urlPath = cfg.urlPath;
 
-  extraHttpdConfig = "
+  extraHttpdConfig =
-    ScriptAlias ${urlPath}/cgi-bin ${pkgs.nagios}/sbin
+    ''
+      ScriptAlias ${urlPath}/cgi-bin ${pkgs.nagios}/sbin
 
-    <Directory \"${pkgs.nagios}/sbin\">
+      <Directory "${pkgs.nagios}/sbin">
-      Options ExecCGI
+        Options ExecCGI
-      AllowOverride None
+        AllowOverride None
-      Order allow,deny
+        Order allow,deny
-      Allow from all
+        Allow from all
-      SetEnv NAGIOS_CGI_CONFIG ${nagiosCGICfgFile}
+        SetEnv NAGIOS_CGI_CONFIG ${nagiosCGICfgFile}
-    </Directory>
+      </Directory>
 
-    Alias ${urlPath} ${pkgs.nagios}/share
+      Alias ${urlPath} ${pkgs.nagios}/share
 
-    <Directory \"${pkgs.nagios}/share\">
+      <Directory "${pkgs.nagios}/share">
-      Options None
+        Options None
-      AllowOverride None
+        AllowOverride None
-      Order allow,deny
+        Order allow,deny
-      Allow from all
+        Allow from all
-    </Directory>
+      </Directory>
-  ";
+    '';
 
-  user = {
-    name = nagiosUser;
-    uid = config.ids.uids.nagios;
-    description = "Nagios monitoring daemon";
-    home = nagiosState;
-  };
-
-  job = {
-    name = "nagios";
-    
-    # Run `nagios -v' to check the validity of the configuration file so
-    # that a nixos-rebuild fails *before* we kill the running Nagios
-    # daemon.
-    buildHook = "${pkgs.nagios}/bin/nagios -v ${nagiosCfgFile}";
-
-    job = "
-      description \"Nagios monitoring daemon\"
-
-      start on network-interfaces/started
-      stop on network-interfaces/stop
-
-      start script
-        mkdir -m 0755 -p ${nagiosState} ${nagiosLogDir}
-        chown ${nagiosUser} ${nagiosState} ${nagiosLogDir}
-      end script
-
-      respawn
-
-      script
-        for i in ${toString config.services.nagios.plugins}; do
-          export PATH=$i/bin:$i/sbin:$i/libexec:$PATH
-        done
-        exec ${pkgs.nagios}/bin/nagios ${nagiosCfgFile}
-      end script
-    ";
-  };
 in
+  
+{
+  ###### interface
 
-mkIf cfg.enable {
+  options = {
-  require = [
+  
-    # ../../upstart-jobs/default.nix # config.services.extraJobs
+    services.nagios = {
-    # ../../system/user.nix # users = { .. }
+
-    # ? # config.environment.etc
+      enable = mkOption {
-    # ? # config.environment.extraPackages
+        default = false;
-    # ../../upstart-jobs/httpd.nix # config.services.httpd
+        description = "
-    options
+          Whether to use <link
-  ];
+          xlink:href='http://www.nagios.org/'>Nagios</link> to monitor
+          your system or network.
+        ";
+      };
+
+      objectDefs = mkOption {
+        description = "
+          A list of Nagios object configuration files that must define
+          the hosts, host groups, services and contacts for the
+          network that you want Nagios to monitor.
+        ";
+      };
+
+      plugins = mkOption {
+        default = [pkgs.nagiosPluginsOfficial pkgs.ssmtp];
+        description = "
+          Packages to be added to the Nagios <envar>PATH</envar>.
+          Typically used to add plugins, but can be anything.
+        ";
+      };
+
+      enableWebInterface = mkOption {
+        default = false;
+        description = "
+          Whether to enable the Nagios web interface.  You should also
+          enable Apache (<option>services.httpd.enable</option>).
+        ";
+      };
+
+      urlPath = mkOption {
+        default = "/nagios";
+        description = "
+          The URL path under which the Nagios web interface appears.
+          That is, you can access the Nagios web interface through
+          <literal>http://<replaceable>server</replaceable>/<replaceable>urlPath</replaceable></literal>.
+        ";
+      };
+
+    };
+
+  };
+
+
+  ###### implementation
+
+  config = mkIf cfg.enable {
+  
+    users.extraUsers = singleton
+      { name = nagiosUser;
+        uid = config.ids.uids.nagios;
+        description = "Nagios monitoring daemon";
+        home = nagiosState;
+      };
 
-  environment = {
     # This isn't needed, it's just so that the user can type "nagiostats
     # -c /etc/nagios.cfg".
-    etc = [
+    environment.etc = singleton
       { source = nagiosCfgFile;
         target = "nagios.cfg";
-      }
+      };
-    ];
 
-    systemPackages = [pkgs.nagios];
+    environment.systemPackages = [ pkgs.nagios ];
-  };
 
-  users = {
+    jobAttrs.nagios =
-    extraUsers = [user];
+      { # Run `nagios -v' to check the validity of the configuration file so
-  };
+        # that a nixos-rebuild fails *before* we kill the running Nagios
+        # daemon.
+        buildHook = "${pkgs.nagios}/bin/nagios -v ${nagiosCfgFile}";
 
-  services = {
+        description = "Nagios monitoring daemon";
-    extraJobs = [job];
 
-    httpd = mkIf cfg.enableWebInterface {
+        startOn = "network-interfaces/started";
+        stopOn = "network-interfaces/stop";
+
+        preStart =
+          ''
+            mkdir -m 0755 -p ${nagiosState} ${nagiosLogDir}
+            chown ${nagiosUser} ${nagiosState} ${nagiosLogDir}
+          '';
+
+        script =
+          ''
+            for i in ${toString config.services.nagios.plugins}; do
+              export PATH=$i/bin:$i/sbin:$i/libexec:$PATH
+            done
+            exec ${pkgs.nagios}/bin/nagios ${nagiosCfgFile}
+          '';
+      };
+
+    services.httpd = mkIf cfg.enableWebInterface {
       extraConfig = mkThenElse {
         thenPart = extraHttpdConfig;
         elsePart = "";
       };
     };
+    
   };
+
 }

modules/services/monitoring/zabbix-agent.nix

@@ -1,35 +1,8 @@
 # Zabbix agent daemon.
-{config, pkgs, ...}:
+{ config, pkgs, ... }:
 
-###### interface
+with pkgs.lib;
-let
-  inherit (pkgs.lib) mkOption;
 
-  options = {
-    services = {
-      zabbixAgent = {
-
-        enable = mkOption {
-          default = false;
-          description = "
-            Whether to run the Zabbix monitoring agent on this machine.
-            It will send monitoring data to a Zabbix server.
-          ";
-        };
-
-        server = mkOption {
-          default = "127.0.0.1";
-          description = ''
-            The IP address or hostname of the Zabbix server to connect to.
-          '';
-        };
-
-      };
-    };
-  };
-in
-
-###### implementation
 let
 
   cfg = config.services.zabbixAgent;
@@ -40,69 +13,87 @@ let
 
   pidFile = "${stateDir}/zabbix_agentd.pid";
 
-  configFile = pkgs.writeText "zabbix_agentd.conf" ''
+  configFile = pkgs.writeText "zabbix_agentd.conf"
-    Server = ${cfg.server}
+    ''
+      Server = ${cfg.server}
 
-    LogFile = ${logDir}/zabbix_agentd
+      LogFile = ${logDir}/zabbix_agentd
   
-    PidFile = ${pidFile}
+      PidFile = ${pidFile}
 
-    StartAgents = 5
+      StartAgents = 5
-  '';
-
-  user = {
-    name = "zabbix";
-    uid = config.ids.uids.zabbix;
-    description = "Zabbix daemon user";
-  };
-
-  job = {
-    name = "zabbix-agent";
-    
-    job = ''
-      start on network-interfaces/started
-      stop on network-interfaces/stop
-
-      description "Zabbix agent daemon"
-
-      start script
-        mkdir -m 0755 -p ${stateDir} ${logDir}
-        chown zabbix ${stateDir} ${logDir}
-        
-        export PATH=${pkgs.nettools}/bin:$PATH
-        ${pkgs.zabbixAgent}/sbin/zabbix_agentd --config ${configFile}
-      end script
-
-      respawn sleep 100000
-      
-      stop script
-        # !!! this seems to leave processes behind.
-        #pid=$(cat ${pidFile})
-        #if test -n "$pid"; then
-        #  kill $pid 
-        #fi
-
-        # So instead kill the agent in a brutal fashion.
-        while ${pkgs.procps}/bin/pkill -u zabbix zabbix_agentd; do true; done
-      end script
     '';
-  };
 
-  ifEnable = pkgs.lib.ifEnable cfg.enable;
 in
-
+  
 {
-  require = [
-    # ../upstart-jobs/default.nix
-    # ../system/user.nix # users = { .. }
-    options
-  ];
 
-  services = {
+  ###### interface
-    extraJobs = ifEnable [job];
+
+  options = {
+  
+    services.zabbixAgent = {
+
+      enable = mkOption {
+        default = false;
+        description = ''
+          Whether to run the Zabbix monitoring agent on this machine.
+          It will send monitoring data to a Zabbix server.
+        '';
+      };
+
+      server = mkOption {
+        default = "127.0.0.1";
+        description = ''
+          The IP address or hostname of the Zabbix server to connect to.
+        '';
+      };
+
+    };
+
+  };
+  
+
+  ###### implementation
+
+  config = mkIf cfg.enable {
+
+    users.extraUsers = singleton
+      { name = "zabbix";
+        uid = config.ids.uids.zabbix;
+        description = "Zabbix daemon user";
+      };
+
+    jobAttrs.zabbix_agent =
+      { #name = "zabbix-agent"; !!! mkIf bug
+
+        description = "Zabbix agent daemon";
+
+        startOn = "network-interfaces/started";
+        stopOn = "network-interfaces/stop";
+
+        preStart =
+          ''
+            mkdir -m 0755 -p ${stateDir} ${logDir}
+            chown zabbix ${stateDir} ${logDir}
+        
+            export PATH=${pkgs.nettools}/bin:$PATH
+            ${pkgs.zabbixAgent}/sbin/zabbix_agentd --config ${configFile}
+          '';
+
+        postStop =
+          ''      
+            # !!! this seems to leave processes behind.
+            #pid=$(cat ${pidFile})
+            #if test -n "$pid"; then
+            #  kill $pid 
+            #fi
+
+            # So instead kill the agent in a brutal fashion.
+            while ${pkgs.procps}/bin/pkill -u zabbix zabbix_agentd; do true; done
+          '';
+      };
+
   };
 
-  users = {
-    extraUsers = ifEnable [user];
-  };
 }

modules/services/monitoring/zabbix-server.nix

@@ -1,25 +1,8 @@
 # Zabbix server daemon.
-{config, pkgs, ...}:
+{ config, pkgs, ... }:
 
-###### interface
+with pkgs.lib;
-let
-  inherit (pkgs.lib) mkOption;
 
-  options = {
-    services = {
-      zabbixServer = {
-        enable = mkOption {
-          default = false;
-          description = "
-            Whether to run the Zabbix server on this machine.
-          ";
-        };
-      };
-    };
-  };
-in
-
-###### implementation
 let
 
   stateDir = "/var/run/zabbix";
@@ -30,72 +13,76 @@ let
 
   pidFile = "${stateDir}/zabbix_server.pid";
 
-  configFile = pkgs.writeText "zabbix_server.conf" ''
+  configFile = pkgs.writeText "zabbix_server.conf"
-    LogFile = ${logDir}/zabbix_server
+    ''
+      LogFile = ${logDir}/zabbix_server
   
-    PidFile = ${pidFile}
+      PidFile = ${pidFile}
 
-    DBName = zabbix
+      DBName = zabbix
 
-    DBUser = zabbix
+      DBUser = zabbix
-  '';
-
-  user = {
-    name = "zabbix";
-    uid = config.ids.uids.zabbix;
-    description = "Zabbix daemon user";
-  };
-
-  job = {
-    name = "zabbix-server";
-
-    job = ''
-      description "Zabbix server daemon"
-
-      start on postgresql/started
-      stop on shutdown
-
-      start script
-        mkdir -m 0755 -p ${stateDir} ${logDir} ${libDir}
-        chown zabbix ${stateDir} ${logDir} ${libDir}
-
-        if ! test -e "${libDir}/db-created"; then
-            ${pkgs.postgresql}/bin/createuser --no-superuser --no-createdb --no-createrole zabbix || true
-            ${pkgs.postgresql}/bin/createdb --owner zabbix zabbix || true
-            cat ${pkgs.zabbixServer}/share/zabbix/db/schema/postgresql.sql | ${pkgs.su}/bin/su -s "$SHELL" zabbix -c 'psql zabbix'
-            cat ${pkgs.zabbixServer}/share/zabbix/db/data/data.sql | ${pkgs.su}/bin/su -s "$SHELL" zabbix -c 'psql zabbix'
-            cat ${pkgs.zabbixServer}/share/zabbix/db/data/images_pgsql.sql | ${pkgs.su}/bin/su -s "$SHELL" zabbix -c 'psql zabbix'
-            touch "${libDir}/db-created"
-        fi
-        
-        export PATH=${pkgs.nettools}/bin:$PATH
-        ${pkgs.zabbixServer}/sbin/zabbix_server --config ${configFile}
-      end script
-
-      respawn sleep 100000
-      
-      stop script
-        while ${pkgs.procps}/bin/pkill -u zabbix zabbix_server; do true; done
-      end script
     '';
-    
-  };
 
-  ifEnable = pkgs.lib.ifEnable config.services.zabbixServer.enable;
 in
-
+  
 {
-  require = [
-    # ../upstart-jobs/default.nix
-    # ../system/user.nix # users = { .. }
-    options
-  ];
 
-  services = {
+  ###### interface
-    extraJobs = ifEnable [job];
+
+  options = {
+  
+    services.zabbixServer.enable = mkOption {
+      default = false;
+      description = ''
+        Whether to run the Zabbix server on this machine.
+      '';
+    };
+
   };
 
-  users = {
+  ###### implementation
-    extraUsers = ifEnable [user];
+
+  config = mkIf config.services.zabbixServer.enable {
+
+    users.extraUsers = singleton
+      { name = "zabbix";
+        uid = config.ids.uids.zabbix;
+        description = "Zabbix daemon user";
+      };
+
+    jobAttrs.zabbix_server =
+      { #name = "zabbix-server"; !!! mkIf bug
+
+        description = "Zabbix server daemon";
+
+        startOn = "postgresql";
+        stopOn = "shutdown";
+
+        preStart =
+          ''
+            mkdir -m 0755 -p ${stateDir} ${logDir} ${libDir}
+            chown zabbix ${stateDir} ${logDir} ${libDir}
+
+            if ! test -e "${libDir}/db-created"; then
+                ${pkgs.postgresql}/bin/createuser --no-superuser --no-createdb --no-createrole zabbix || true
+                ${pkgs.postgresql}/bin/createdb --owner zabbix zabbix || true
+                cat ${pkgs.zabbixServer}/share/zabbix/db/schema/postgresql.sql | ${pkgs.su}/bin/su -s "$SHELL" zabbix -c 'psql zabbix'
+                cat ${pkgs.zabbixServer}/share/zabbix/db/data/data.sql | ${pkgs.su}/bin/su -s "$SHELL" zabbix -c 'psql zabbix'
+                cat ${pkgs.zabbixServer}/share/zabbix/db/data/images_pgsql.sql | ${pkgs.su}/bin/su -s "$SHELL" zabbix -c 'psql zabbix'
+                touch "${libDir}/db-created"
+            fi
+
+            export PATH=${pkgs.nettools}/bin:$PATH
+            ${pkgs.zabbixServer}/sbin/zabbix_server --config ${configFile}
+          '';
+
+        postStop =
+          ''
+            while ${pkgs.procps}/bin/pkill -u zabbix zabbix_server; do true; done
+          '';
+      };
+      
   };
+
 }

modules/services/network-filesystems/nfs-kernel.nix

@@ -1,154 +1,149 @@
+{ config, pkgs, ... }:
 
-{pkgs, config, ...}:
+with pkgs.lib;
 
-###### interface
 let
-  inherit (pkgs.lib) mkOption mkIf;
-
-  options = {
-    services = {
-      nfsKernel = {
-
-        enable = mkOption {
-          default = false;
-          description = "
-            wether to use the kernel nfs functionality to export filesystems.
-            You should be aware about existing security issues.
-            requires portmap!
-          ";
-        };
-
-        exports = mkOption {
-          check = v: v != "/etc/exports"; # this won't work
-          description = "
-            the file listing the directories to be exported.
-            install nfsUtils and run man exports to learn about its format.
-            The exports setting can either be a file path or the file contents.
-            Don't use /etc/exports. This won't work as nix will overwrite it.
-          ";
-        };
-
-        hostName = mkOption {
-          default = null;
-          description = "
-             specify a particular hostname (or address) that NFS requests will be accepted on.
-             Default: all.
-             See man rpc.nfsd (-H option)
-          ";
-        };
-        nproc = mkOption {
-          default = 8;
-          description = "
-            specify  the  number  of NFS server threads. (-> man rpc.nfsd). Defaults to recommended value 8
-          ";
-        };
-	
-	createMountPoints = mkOption {
-	  default = false;
-	  description = "Whether to create the mount points in the exports file at startup time.";
-	};
-      };
-    };
-  };
-
-###### implementation
 
   inherit (pkgs) writeText openssh;
 
-  cfg = (config.services.nfsKernel);
+  cfg = config.services.nfsKernel;
 
-  modprobe = config.system.sbin.modprobe;
+  exports =
-
+    if builtins.pathExists cfg.exports
-  exports = if builtins.pathExists cfg.exports
+    then cfg.exports
-    then cfg.exports else pkgs.writeText "exports" cfg.exports;
+    else pkgs.writeText "exports" cfg.exports;
 
 in
 
+{
 
-mkIf config.services.nfsKernel.enable {
+  ###### interface
-  require = [
-    options
-  ];
 
-  environment.etc = [
+  options = {
-    { source = exports;
+  
-      target = "exports"; }
+    services.nfsKernel = {
-  ];
 
-  services = {
+      enable = mkOption {
-    extraJobs = [
+        default = false;
-    {
+        description = ''
-      name = "nfs-kernel-exports";
+          Whether to enable the kernel's NFS server.
+        '';
+      };
 
-      job = ''
+      # !!! Why is this a file?  Why not a list of export entries?
-        description "export filesystems using kernel nfs"
+      exports = mkOption {
+        check = v: v != "/etc/exports"; # this won't work
+        description = ''
+          The file listing the directories to be exported.  See
+          <citerefentry><refentrytitle>exports</refentrytitle>
+          <manvolnum>5</manvolnum></citerefentry> for the format.
+        '';
+      };
 
-        start on network-interfaces/started
+      hostName = mkOption {
-        stop on network-interfaces/stop
+        default = null;
-
+        description = ''
-        start script
+          Hostname or address on which NFS requests will be accepted.
-	  export PATH=${pkgs.nfsUtils}/sbin:$PATH
+          Default is all.  See the <option>-H</option> option in
-	  mkdir -p /var/lib/nfs
+          <citerefentry><refentrytitle>nfsd</refentrytitle>
-          ${modprobe}/sbin/modprobe nfsd || true
+          <manvolnum>8</manvolnum></citerefentry>.
-	  
+        '';
-	  ${if cfg.createMountPoints == true then
+      };
-	    ''
-              # create export directories:
-              # skip comments, take first col which may either be a quoted
-              # "foo bar" or just foo (-> man export)
-              sed '/^#.*/d;s/^"\([^"]*\)".*/\1/;t;s/[ ].*//' ${exports} \
-              | xargs -d '\n' mkdir -p
-	    ''
-	    else ""}
-	    	  
-          # exports file is ${exports}
-          # keep this comment so that this job is restarted whenever exports changes!
-          exportfs -ra
-        end script
-
-        respawn sleep 1000000
-      '';
-    }
-    {
-      name = "nfs-kernel-rpc-nfsd";
-
-      job = ''
-        description "export filesystems using kernel nfs"
-
-        start on nfs-kernel-exports/started
-        stop on nfs-kernel-exports/stop
-
-        respawn ${pkgs.nfsUtils}/sbin/rpc.nfsd ${if cfg.hostName != null then "-H ${cfg.hostName}" else ""} ${builtins.toString cfg.nproc}
-      '';
-    }
-    {
-      name = "nfs-kernel-mountd";
-
-      job = ''
-        description "export filesystems using kernel nfs"
-
-        start on nfs-kernel-rpc-nfsd/started
-        stop on nfs-kernel-exports/stop
-
-        respawn ${pkgs.nfsUtils}/sbin/rpc.mountd -F -f ${exports}
-      '';
-    }
-    {
-      name = "nfs-kernel-statd";
       
-      job = ''
+      nproc = mkOption {
-        description "NSM (Network Status Monitor) of the RPC protocol"
+        default = 8;
-      
+        description = ''
-        start on nfs-kernel-rpc-nfsd/started
+          Number of NFS server threads.  Defaults to the recommended value of 8.
-	stop on nfs-kernel-exports/stop
+        '';
-	
+      };
-        start script
+
-          mkdir -p /var/lib/nfs
+      createMountPoints = mkOption {
-        end script
+        default = false;
+        description = "Whether to create the mount points in the exports file at startup time.";
+      };
+      
+    };
 
-        respawn ${pkgs.nfsUtils}/sbin/rpc.statd -F
-      '';
-    }
-    ];
   };
+
+
+  ###### implementation
+
+  config = mkIf config.services.nfsKernel.enable {
+
+    environment.etc = singleton
+      { source = exports;
+        target = "exports";
+      };
+
+    jobAttrs.nfs_kernel_exports =
+      { name = "nfs-kernel-exports";
+      
+        description = "Kernel NFS server";
+
+        startOn = "network-interfaces/started";
+        stopOn = "network-interfaces/stop";
+
+        preStart =
+          ''
+            export PATH=${pkgs.nfsUtils}/sbin:$PATH
+            mkdir -p /var/lib/nfs
+            ${config.system.sbin.modprobe}/sbin/modprobe nfsd || true
+
+            ${optionalString cfg.createMountPoints
+              ''
+                # create export directories:
+                # skip comments, take first col which may either be a quoted
+                # "foo bar" or just foo (-> man export)
+                sed '/^#.*/d;s/^"\([^"]*\)".*/\1/;t;s/[ ].*//' ${exports} \
+                | xargs -d '\n' mkdir -p
+	      ''
+            }
+	    	  
+            # exports file is ${exports}
+            # keep this comment so that this job is restarted whenever exports changes!
+            exportfs -ra
+          '';
+      };
+
+    jobAttrs.nfs_kernel_nfsd =
+      { name = "nfs-kernel-nfsd";
+
+        description = "Kernel NFS server";
+
+        startOn = "nfs-kernel-exports/started";
+        stopOn = "nfs-kernel-exports/stop";
+
+        exec = "${pkgs.nfsUtils}/sbin/rpc.nfsd ${if cfg.hostName != null then "-H ${cfg.hostName}" else ""} ${builtins.toString cfg.nproc}";
+      };
+
+    jobAttrs.nfs_kernel_mountd =
+      { name = "nfs-kernel-mountd";
+
+        description = "Kernel NFS server - mount daemon";
+
+        startOn = "nfs-kernel-nfsd/started";
+        stopOn = "nfs-kernel-exports/stop";
+
+        exec = "${pkgs.nfsUtils}/sbin/rpc.mountd -F -f ${exports}";
+      };
+
+    jobAttrs.nfs_kernel_statd =
+      { name = "nfs-kernel-statd";
+      
+        description = "Kernel NFS server - Network Status Monitor";
+      
+        startOn = "nfs-kernel-nfsd/started";
+	stopOn = "nfs-kernel-exports/stop";
+
+        preStart =
+          ''	
+            mkdir -p /var/lib/nfs
+          '';
+
+        exec = "${pkgs.nfsUtils}/sbin/rpc.statd -F";
+      };
+      
+  };
+  
 }

modules/services/network-filesystems/samba.nix

@@ -1,118 +1,6 @@
-{pkgs, config, ...}:
+{ config, pkgs, ... }:
 
-###### interface
+with pkgs.lib;
-let
-  inherit (pkgs.lib) mkOption mkIf mkAlways;
-
-  options = {
-    services = {
-      samba = {
-
-        enable = mkOption {
-          default = false;
-          description = "
-            Whether to enable the samba server. (to communicate with, and provide windows shares)
-            use start / stop samba-control to start/stop all daemons.
-            smbd and nmbd are not shutdown correctly yet. so just pkill them and restart those jobs.
-          ";
-        };
-
-        syncPasswordsByPam = mkOption {
-          default = false;
-          description = "
-            enabling this will add a line directly after pam_unix.so.
-            Whenever a password is changed the samba password will be updated as well.
-            However you still yave to add the samba password once using smbpasswd -a user
-            If you don't want to maintain an extra pwd database you still can send plain text
-            passwords which is not secure.
-          ";
-        };
-
-        extraConfig = mkOption {
-          default = ''
-            # [global] continuing global section here, section is started by nix to set pids etc
-
-              smb passwd file = /etc/samba/passwd
-
-              # is this useful ?
-              domain master = auto
-
-              encrypt passwords = Yes
-              client plaintext auth = No
-
-              # yes: if you use this you probably also want to enable syncPasswordsByPam
-              # no: You can still use the pam password database. However
-              # passwords will be sent plain text on network (discouraged)
-
-              workgroup = Users
-              server string = %h
-              comment = Samba
-              log file = /var/log/samba/log.%m
-              log level = 10
-              max log size = 50000
-              security = user
-              
-              client lanman auth = Yes
-              dns proxy = no
-              invalid users = root
-              passdb backend = tdbsam
-              passwd program = /usr/bin/passwd %u
-
-            ### end [ global ] section
-            
-             
-            # Un-comment the following (and tweak the other settings below to suit)
-            # to enable the default home directory shares.  This will share each
-            # user's home directory as \\server\username
-            ;[homes]
-            ;   comment = Home Directories
-            ;   browseable = no
-            ;   writable = no
-
-            # File creation mask is set to 0700 for security reasons. If you want to
-            # create files with group=rw permissions, set next parameter to 0775.
-            ;   create mask = 0700
-
-            #  this directory and user is created automatically for you by nixos
-            ;[default]
-            ;  path = /home/smbd
-            ;  read only = no
-            ;  guest ok = yes
-              
-            # this directory and user is created automatically for you by nixos
-            ;[default]
-            ;  path = /home/smbd
-            ;  read only = no
-            ;  guest ok = yes
-            
-            # additional share example
-            ;[raidbackup]
-            ;  path = /home/raidbackup/files
-            ;  read only = no
-            ;  guest ok = no
-            ;  available = yes
-            ;  browseable = yes
-            ;  public = yes
-            ;  valid users = raidbackup
-            ;  comment = Raid backup Files
-          '';
-
-          description = "
-            additional global section and extra section lines go in here.
-          ";
-        };
-
-        configFile = mkOption {
-          description = "
-            internal use to pass filepath to samba pam module
-          ";
-        };
-      };
-    };
-  };
-in
-
-###### implementation
 
 let
 
@@ -121,115 +9,179 @@ let
   user = "smbguest";
   group = "smbguest";
 
-
   logDir = "/var/log/samba";
   privateDir = "/var/samba/private";
  
   inherit (pkgs) samba;
 
-  setupScript = ''
+  setupScript =
-    mkdir -p /var/lock
+    ''
+      mkdir -p /var/lock
 
-    if ! test -d /home/smbd ; then
+      if ! test -d /home/smbd ; then
-      mkdir -p /home/smbd
+        mkdir -p /home/smbd
-      chown ${user} /home/smbd
+        chown ${user} /home/smbd
-      chmod a+rwx /home/smbd
+        chmod a+rwx /home/smbd
-    fi
+      fi
 
-    if ! test -d /var/samba ; then
+      if ! test -d /var/samba ; then
-      mkdir -p /var/samba/locks /var/samba/cores/nmbd  /var/samba/cores/smbd /var/samba/cores/winbindd
+        mkdir -p /var/samba/locks /var/samba/cores/nmbd  /var/samba/cores/smbd /var/samba/cores/winbindd
-    fi
+      fi
 
-    passwdFile="$(sed -n 's/^.*smb[ ]\+passwd[ ]\+file[ ]\+=[ ]\+\(.*\)/\1/p' /nix/store/nnmrqalldfv2vkwy6qpg340rv7w34lmp-smb.conf)"
+      passwdFile="$(sed -n 's/^.*smb[ ]\+passwd[ ]\+file[ ]\+=[ ]\+\(.*\)/\1/p' /nix/store/nnmrqalldfv2vkwy6qpg340rv7w34lmp-smb.conf)"
-    if [ -n "$passwdFile" ]; then
+      if [ -n "$passwdFile" ]; then
-      echo 'INFO: creating directory containing passwd file'
+        echo 'INFO: creating directory containing passwd file'
-      mkdir -p "$(dirname "$passwdFile")"
+        mkdir -p "$(dirname "$passwdFile")"
-    fi
+      fi
 
-    mkdir -p ${logDir}
+      mkdir -p ${logDir}
-    mkdir -p ${privateDir}
+      mkdir -p ${privateDir}
-  '';
 
-  configFile = pkgs.writeText "smb.conf" ''
+      # The following line is to trigger a restart of the daemons when
-    [ global ]
+      # the configuration changes:
+      # ${configFile}
+    '';
+
+  configFile = pkgs.writeText "smb.conf"
+    ''
+      [ global ]
       log file = ${logDir}/log.%m
       private dir = ${privateDir}
+      ${optionalString cfg.syncPasswordsByPam "pam password change = true"}
 
-      ${if cfg.syncPasswordsByPam then "pam password change = true" else "" /* does this make sense ? */ }
+      ${cfg.extraConfig}
+    '';
 
+  daemonJob = appName: args:
+    { name = "samba-${appName}";
+      description = "Samba Service daemon ${appName}";
 
-    ${cfg.extraConfig}";
+      startOn = "samba/started";
-  '';
+      stopOn = "samba-control/stop";
 
-  daemonJob = appName : args :
+      exec = "${samba}/sbin/${appName} ${args}";
-    {
-      name = "samba-${appName}";
-      job = ''
-
-        description "Samba Service daemon ${appName}"
-
-        start on samba-control/started
-        stop on samba-control/stop
-
-        respawn ${samba}/sbin/${appName} ${args}
-      '';
     };
 
 in
 
+{
 
-mkIf config.services.samba.enable {
+  ###### interface
-  require = [
-    options
-  ];
 
-  users = {
+  options = {
-    extraUsers = [
+
+    # !!! clean up the descriptions.
+  
+    services.samba = {
+
+      enable = mkOption {
+        default = false;
+        description = "
+          Whether to enable the samba server. (to communicate with, and provide windows shares)
+          use start / stop samba-control to start/stop all daemons.
+          smbd and nmbd are not shutdown correctly yet. so just pkill them and restart those jobs.
+        ";
+      };
+
+      syncPasswordsByPam = mkOption {
+        default = false;
+        description = "
+          enabling this will add a line directly after pam_unix.so.
+          Whenever a password is changed the samba password will be updated as well.
+          However you still yave to add the samba password once using smbpasswd -a user
+          If you don't want to maintain an extra pwd database you still can send plain text
+          passwords which is not secure.
+        ";
+      };
+
+      extraConfig = mkOption {
+        # !!! Bad default.
+        default = ''
+          # [global] continuing global section here, section is started by nix to set pids etc
+
+            smb passwd file = /etc/samba/passwd
+
+            # is this useful ?
+            domain master = auto
+
+            encrypt passwords = Yes
+            client plaintext auth = No
+
+            # yes: if you use this you probably also want to enable syncPasswordsByPam
+            # no: You can still use the pam password database. However
+            # passwords will be sent plain text on network (discouraged)
+
+            workgroup = Users
+            server string = %h
+            comment = Samba
+            log file = /var/log/samba/log.%m
+            log level = 10
+            max log size = 50000
+            security = user
+
+            client lanman auth = Yes
+            dns proxy = no
+            invalid users = root
+            passdb backend = tdbsam
+            passwd program = /usr/bin/passwd %u
+        '';
+
+        description = "
+          additional global section and extra section lines go in here.
+        ";
+      };
+
+      configFile = mkOption {
+        description = "
+          internal use to pass filepath to samba pam module
+        ";
+      };
+    };
+
+  };
+  
+
+  ###### implementation
+
+  config = mkIf config.services.samba.enable {
+
+    users.extraUsers = singleton
       { name = user;
         description = "Samba service user";
         group = group;
-      }
+      };
-    ];
+
-    
+    users.extraGroups = singleton
-    extraGroups = [
       { name = group;
-      }
+      };
-    ];
+
-  };
+    # always provide a smb.conf to shut up programs like smbclient and smbspool.
-
+    environment.etc = mkAlways (singleton
-  # always provide a smb.conf to shut up programs like smbclient and smbspool.
+      { source =
-  environment = {
+          if cfg.enable then configFile
-    etc = mkAlways [{
+          else pkgs.writeText "smb-dummy.conf" "# Samba is disabled.";
-      source = if cfg.enable then configFile else pkgs.writeText "smb-dummy.conf" "# samba is disabled. Purpose see samba expression in nixpkgs";
+        target = "samba/smb.conf";
-      target = "samba/smb.conf";
+      });
-      }];
+
-  };
+    # Dummy job to start the real Samba daemons (nmbd, smbd, winbindd).
-
+    jobAttrs.sambaControl =
-  services = {
+      { name = "samba";
-
+        description = "Samba server";
-    extraJobs = [
+
-    { name = "samba-control"; # start this dummy job to start the real samba daemons nmbd, smbd, winbindd
+        startOn = "network-interfaces/started";
-      job = ''
+        stopOn = "network-interfaces/stop";
-        description "samba job starting/stopping the real samba jobs";
+
-
+        preStart = setupScript;
-        start on network-interfaces/started
+      };
-        stop on network-interfaces/stop
+
-
+    # nmbd says "standard input is not a socket, assuming -D option",
-        start script
+    # but using -i makes it stay in foreground (?)
-        ${setupScript}
+    jobAttrs.nmbd = daemonJob "nmbd" " -i -F";
-        end script
+
-
+    jobAttrs.smbd = daemonJob "smbd" " -i -F";
-        respawn sleep 1000000 # !!! hack
+
-
+    jobAttrs.winbindd = daemonJob "winbindd" " -F";
-        # put the store path here so that daemons are restarted when configuration changes
+
-        # config is ${configFile}
-      '';
-    }
-    # add -S to get debugging output on stdout
-    # config directory is passed by configure at compilation time
-    ( daemonJob "nmbd" " -i -F" ) # nmbd says "standard input is not a socket, assuming -D option", but using -i makes it stay in foreground (?)
-    ( daemonJob "smbd" " -i -F" ) # dito
-    ( daemonJob "winbindd" " -F" )
-    ];
   };
+  
 }

modules/services/networking/avahi-daemon.nix

@@ -1,86 +1,18 @@
 # Avahi daemon.
-{pkgs, config, ...}:
+{ config, pkgs, ... }:
+
+with pkgs.lib;
 
-###### interface
 let
-  inherit (pkgs.lib) mkOption;
 
-  options = {
-    services = {
-      avahi = {
-
-        enable = mkOption {
-          default = false;
-          description = ''
-            Whether to run the Avahi daemon, which allows Avahi clients
-            to use Avahi's service discovery facilities and also allows
-            the local machine to advertise its presence and services
-            (through the mDNS responder implemented by `avahi-daemon').
-          '';
-        };
-
-        hostName = mkOption {
-          default = config.networking.hostName;
-          description = ''Host name advertised on the LAN.'';
-        };
-
-        browseDomains = mkOption {
-          default = [ "0pointer.de" "zeroconf.org" ];
-          description = ''
-            List of non-local DNS domains to be browsed.
-          '';
-        };
-
-        ipv4 = mkOption {
-          default = true;
-          description = ''Whether to use IPv4'';
-        };
-
-        ipv6 = mkOption {
-          default = false;
-          description = ''Whether to use IPv6'';
-        };
-
-        wideArea = mkOption {
-          default = true;
-          description = ''Whether to enable wide-area service discovery.'';
-        };
-
-        publishing = mkOption {
-          default = true;
-          description = ''Whether to allow publishing.'';
-        };
-
-        nssmdns = mkOption {
-          default = false;
-          description = ''
-            Whether to enable the mDNS NSS (Name Service Switch) plug-in.
-            Enabling it allows applications to resolve names in the `.local'
-            domain by transparently querying the Avahi daemon.
-
-            Warning: Currently, enabling this option breaks DNS lookups after
-            a `nixos-rebuild'.  This is because `/etc/nsswitch.conf' is
-            updated to use `nss-mdns' but `libnss_mdns' is not in
-            applications' `LD_LIBRARY_PATH'.  The next time `/etc/profile' is
-            sourced, it will set up an appropriate `LD_LIBRARY_PATH', though.
-          '';
-        };
-      };
-    };
-  };
-in
-
-###### implementation
-let
   cfg = config.services.avahi;
-  inherit (pkgs.lib) mkIf mkThenElse;
 
-  inherit (pkgs) avahi writeText lib;
+  inherit (pkgs) avahi;
 
-  avahiDaemonConf = with cfg; writeText "avahi-daemon.conf" ''
+  avahiDaemonConf = with cfg; pkgs.writeText "avahi-daemon.conf" ''
     [server]
     host-name=${hostName}
-    browse-domains=${lib.concatStringsSep ", " browseDomains}
+    browse-domains=${concatStringsSep ", " browseDomains}
     use-ipv4=${if ipv4 then "yes" else "no"}
     use-ipv6=${if ipv6 then "yes" else "no"}
 
@@ -91,69 +23,119 @@ let
     disable-publishing=${if publishing then "no" else "yes"}
   '';
 
-  user = {
-    name = "avahi";
-    uid = config.ids.uids.avahi;
-    description = "`avahi-daemon' privilege separation user";
-    home = "/var/empty";
-  };
-
-  group = {
-    name = "avahi";
-    gid = config.ids.gids.avahi;
-  };
-
-  job = {
-    name = "avahi-daemon";
-
-    job = ''
-      start on network-interfaces/started
-      stop on network-interfaces/stop
-      respawn
-      script
-        export PATH="${avahi}/bin:${avahi}/sbin:$PATH"
-
-        # Make NSS modules visible so that `avahi_nss_support ()' can
-        # return a sensible value.
-        export LD_LIBRARY_PATH="${config.system.nssModules.path}"
-
-        exec ${avahi}/sbin/avahi-daemon --daemonize -f "${avahiDaemonConf}"
-      end script
-    '';
-  };
 in
 
-mkIf cfg.enable {
+{
-  require = [
-    # ../upstart-jobs/default.nix # config.services.extraJobs
-    # ../system/? # system.nssModules
-    # ? # config.environment.etc
-    # ../system/user.nix # users.*
-    # ../upstart-jobs/udev.nix # services.udev.*
-    # ../upstart-jobs/dbus.nix # services.dbus.*
-    # ? # config.environment.extraPackages
-    options
-  ];
 
-  system = {
+  ###### interface
-    nssModules = pkgs.lib.optional cfg.nssmdns pkgs.nssmdns;
-  };
 
-  environment = {
+  options = {
-    systemPackages = [avahi];
+  
-  };
+    services.avahi = {
 
-  users = {
+      enable = mkOption {
-    extraUsers = [user];
+        default = false;
-    extraGroups = [group];
+        description = ''
-  };
+          Whether to run the Avahi daemon, which allows Avahi clients
+          to use Avahi's service discovery facilities and also allows
+          the local machine to advertise its presence and services
+          (through the mDNS responder implemented by `avahi-daemon').
+        '';
+      };
 
-  services = {
+      hostName = mkOption {
-    extraJobs = [job];
+        default = config.networking.hostName;
+        description = ''Host name advertised on the LAN.'';
+      };
 
-    dbus = {
+      browseDomains = mkOption {
-      enable = true;
+        default = [ "0pointer.de" "zeroconf.org" ];
-      packages = [avahi];
+        description = ''
+          List of non-local DNS domains to be browsed.
+        '';
+      };
+
+      ipv4 = mkOption {
+        default = true;
+        description = ''Whether to use IPv4'';
+      };
+
+      ipv6 = mkOption {
+        default = false;
+        description = ''Whether to use IPv6'';
+      };
+
+      wideArea = mkOption {
+        default = true;
+        description = ''Whether to enable wide-area service discovery.'';
+      };
+
+      publishing = mkOption {
+        default = true;
+        description = ''Whether to allow publishing.'';
+      };
+
+      nssmdns = mkOption {
+        default = false;
+        description = ''
+          Whether to enable the mDNS NSS (Name Service Switch) plug-in.
+          Enabling it allows applications to resolve names in the `.local'
+          domain by transparently querying the Avahi daemon.
+
+          Warning: Currently, enabling this option breaks DNS lookups after
+          a `nixos-rebuild'.  This is because `/etc/nsswitch.conf' is
+          updated to use `nss-mdns' but `libnss_mdns' is not in
+          applications' `LD_LIBRARY_PATH'.  The next time `/etc/profile' is
+          sourced, it will set up an appropriate `LD_LIBRARY_PATH', though.
+        '';
+      };
+      
     };
+    
   };
+  
+
+  ###### implementation
+
+  config = mkIf cfg.enable {
+
+    users.extraUsers = singleton
+      { name = "avahi";
+        uid = config.ids.uids.avahi;
+        description = "`avahi-daemon' privilege separation user";
+        home = "/var/empty";
+      };
+
+    users.extraGroups = singleton
+      { name = "avahi";
+        gid = config.ids.gids.avahi;
+      };
+
+    system.nssModules = optional cfg.nssmdns pkgs.nssmdns;
+
+    environment.systemPackages = [ avahi ];
+
+    jobAttrs.avahi_daemon =
+      { name = "avahi-daemon";
+
+        startOn = "network-interfaces/started";
+        stopOn = "network-interfaces/stop";
+
+        script =
+          ''
+            export PATH="${avahi}/bin:${avahi}/sbin:$PATH"
+
+            # Make NSS modules visible so that `avahi_nss_support ()' can
+            # return a sensible value.
+            export LD_LIBRARY_PATH="${config.system.nssModules.path}"
+
+            exec ${avahi}/sbin/avahi-daemon --daemonize -f "${avahiDaemonConf}"
+          '';
+      };
+
+    services.dbus.enable = true;
+    services.dbus.packages = [avahi];
+
+  };
+
 }

modules/services/networking/bind.nix

@@ -1,123 +1,121 @@
-{pkgs, config, ...}:
+{ config, pkgs, ... }:
+
+with pkgs.lib;
 
-###### interface
 let
-  inherit (pkgs.lib) mkOption mkIf;
+
+  startingDependency = if config.services.gw6c.enable then "gw6c" else "network-interfaces";
+  
+  cfg = config.services.bind;
+
+  confFile = pkgs.writeText "named.conf"
+    ''
+      acl cachenetworks { ${concatMapStrings (entry: " ${entry}; ") cfg.cacheNetworks} };
+      acl badnetworks { ${concatMapStrings (entry: " ${entry}; ") cfg.blockedNetworks} };
+
+      options {
+        listen-on {any;};
+        listen-on-v6 {any;};
+        allow-query { cachenetworks; };
+        blackhole { badnetworks; };
+        forward first;
+        forwarders { ${concatMapStrings (entry: " ${entry}; ") config.networking.nameservers} };
+        directory "/var/run/named";
+        pid-file "/var/run/named/named.pid";
+      };
+
+      ${ concatMapStrings
+          ({ name, file, master ? true, slaves ? [], masters ? [] }:
+            ''           
+              zone "${name}" {
+                type ${if master then "master" else "slave"};
+                file "${file}";
+                ${ if master then
+                   ''
+                     allow-transfer {
+                       ${concatMapStrings (ip: "${ip};\n") slaves}
+                     };
+                   ''
+                   else
+                   ''
+                     masters {
+                       ${concatMapStrings (ip: "${ip};\n") masters}
+                     };
+                   ''
+                }
+                allow-query { any; };
+              };
+            '')
+          cfg.zones }
+    '';
+
+in
+
+{
+
+  ###### interface
 
   options = {
-    services = {
+  
-      bind = {
+    services.bind = {
-        enable = mkOption {
+    
-          default = false;
+      enable = mkOption {
-          description = "
+        default = false;
-            Whether to enable BIND domain name server.
+        description = "
-          ";
+          Whether to enable BIND domain name server.
-        };
+        ";
-        cacheNetworks = mkOption {
-          default = ["127.0.0.0/24"];
-          description = "
-            What networks are allowed to use us as a resolver.
-          ";
-        };
-        blockedNetworks = mkOption {
-          default = [];
-          description = "
-            What networks are just blocked.
-          ";
-        };
-        zones = mkOption {
-          default = [];
-          description = "
-            List of zones we claim authority over.
-              master=false means slave server; slaves means addresses 
-             who may request zone transfer.
-          ";
-          example = [{
-            name = "example.com";
-            master = false;
-            file = "/var/dns/example.com";
-            masters = ["192.168.0.1"];
-            slaves = [];
-          }];
-        };
       };
-    };
+      
-  };
+      cacheNetworks = mkOption {
-in
+        default = ["127.0.0.0/24"];
-
+        description = "
-###### implementation
+          What networks are allowed to use us as a resolver.
-
+        ";
-let
+      };
-  startingDependency = if config.services.gw6c.enable then "gw6c" else "network-interfaces";
+      
-  cfg = config.services.bind;
+      blockedNetworks = mkOption {
-  concatMapStrings = pkgs.lib.concatMapStrings;
+        default = [];
-
+        description = "
-  namedConf = 
+          What networks are just blocked.
-  (''
+        ";
-    acl cachenetworks { ${concatMapStrings (entry: " ${entry}; ") cfg.cacheNetworks} };
+      };
-    acl badnetworks { ${concatMapStrings (entry: " ${entry}; ") cfg.blockedNetworks} };
+      
-
+      zones = mkOption {
-    options {
+        default = [];
-      listen-on {any;};
+        description = "
-      listen-on-v6 {any;};
+          List of zones we claim authority over.
-      allow-query { cachenetworks; };
+            master=false means slave server; slaves means addresses 
-      blackhole { badnetworks; };
+           who may request zone transfer.
-      forward first;
+        ";
-      forwarders { ${concatMapStrings (entry: " ${entry}; ") config.networking.nameservers} };
+        example = [{
-      directory "/var/run/named";
+          name = "example.com";
-      pid-file "/var/run/named/named.pid";
+          master = false;
+          file = "/var/dns/example.com";
+          masters = ["192.168.0.1"];
+          slaves = [];
+        }];
+      };
+      
     };
 
-  '')
-  + 
-  (concatMapStrings 
-    (_entry:let entry={master=true;slaves=[];masters=[];}//_entry; in
-      ''
-        zone "${entry.name}" {
-          type ${if entry.master then "master" else "slave"};
-          file "${entry.file}";
-          ${ if entry.master then
-             ''
-               allow-transfer {
-                 ${concatMapStrings (ip: ip+";\n") entry.slaves}
-               };
-             ''
-             else
-             ''
-               masters {
-                 ${concatMapStrings (ip: ip+";\n") entry.masters}
-               };
-             ''
-          }
-          allow-query { any; };
-        };
-      ''
-    )
-    cfg.zones
-  )
-  ;
-
-  confFile = pkgs.writeText "named.conf" namedConf;
-
-in
-
-mkIf config.services.bind.enable {
-  require = [
-    options
-  ];
-
-  services = {
-    extraJobs = [{
-      name = "bind";
-      job = ''
-        description "BIND name server job"
-
-        start script
-          ${pkgs.coreutils}/bin/mkdir -p /var/run/named
-        end script
-
-        respawn ${pkgs.bind}/sbin/named -c ${confFile} -f 
-      '';
-    }];
   };
+  
+
+  ###### implementation
+
+  config = mkIf config.services.bind.enable {
+
+    jobAttrs.bind =
+      { description = "BIND name server job";
+
+        preStart =
+          ''
+            ${pkgs.coreutils}/bin/mkdir -p /var/run/named
+          '';
+
+        exec = "${pkgs.bind}/sbin/named -c ${confFile} -f";
+      };
+
+  };
+  
 }

modules/services/networking/bitlbee.nix

@@ -1,91 +1,93 @@
-{pkgs, config, ...}:
+{ config, pkgs, ... }:
+
+with pkgs.lib;
 
-###### interface
 let
-  inherit (pkgs.lib) mkOption mkIf;
+
+  bitlbeeUid = config.ids.uids.bitlbee;
+  
+  inherit (config.services.bitlbee) portNumber interface;
+  
+in
+
+{
+
+  ###### interface
 
   options = {
-    services = {
+  
-      bitlbee = {
+    services.bitlbee = {
-
-        enable = mkOption {
-          default = false;
-          description = ''
-            Whether to run the BitlBee IRC to other chat network gateway.
-            Running it allows you to access the MSN, Jabber, Yahoo! and ICQ chat
-            networks via an IRC client.
-          '';
-        };
-
-        interface = mkOption {
-          default = "127.0.0.1";
-          description = ''
-            The interface the BitlBee deamon will be listening to.  If `127.0.0.1',
-            only clients on the local host can connect to it; if `0.0.0.0', clients
-            can access it from any network interface.
-          '';
-        };
-
-        portNumber = mkOption {
-          default = 6667;
-          description = ''
-            Number of the port BitlBee will be listening to.
-          '';
-        };
 
+      enable = mkOption {
+        default = false;
+        description = ''
+          Whether to run the BitlBee IRC to other chat network gateway.
+          Running it allows you to access the MSN, Jabber, Yahoo! and ICQ chat
+          networks via an IRC client.
+        '';
       };
+
+      interface = mkOption {
+        default = "127.0.0.1";
+        description = ''
+          The interface the BitlBee deamon will be listening to.  If `127.0.0.1',
+          only clients on the local host can connect to it; if `0.0.0.0', clients
+          can access it from any network interface.
+        '';
+      };
+
+      portNumber = mkOption {
+        default = 6667;
+        description = ''
+          Number of the port BitlBee will be listening to.
+        '';
+      };
+
     };
+
   };
-in
+  
 
-###### implementation
+  ###### implementation
 
-let
+  config = mkIf config.services.bitlbee.enable {
-  bitlbeeUid = config.ids.uids.bitlbee;
-  inherit (config.services.bitlbee) portNumber interface;
-in
 
-mkIf config.services.bitlbee.enable {
+    users.extraUsers = singleton
-
-  require = options;
-
-  users = {
-    extraUsers = [
       { name = "bitlbee";
         uid = bitlbeeUid;
         description = "BitlBee user";
         home = "/var/empty";
-      }
+      };
-    ];
     
-    extraGroups = [
+    users.extraGroups = singleton
       { name = "bitlbee";
         gid = config.ids.gids.bitlbee;
-      }
+      };
-    ];
-  };
 
-  services.extraJobs = [{
+    jobAttrs.bitlbee =
-    name = "bitlbee";
+      { description = "BitlBee IRC to other chat networks gateway";
 
-    job = ''
+        startOn = "network-interfaces/started";
-      description "BitlBee IRC to other chat networks gateway"
+        stopOn = "network-interfaces/stop";
 
-      start on network-interfaces/started
+        preStart =
-      stop on network-interfaces/stop
+          ''
+            if ! test -d /var/lib/bitlbee
+            then
+                mkdir -p /var/lib/bitlbee
+                chown bitlbee:bitlbee /var/lib/bitlbee
+            fi
+          '';
 
-      start script
+        exec =
-          if ! test -d /var/lib/bitlbee
+          ''
-          then
+            ${pkgs.bitlbee}/sbin/bitlbee -F -p ${toString portNumber} \
-              mkdir -p /var/lib/bitlbee
-              chown bitlbee:bitlbee /var/lib/bitlbee
-          fi
-      end script
-
-      respawn ${pkgs.bitlbee}/sbin/bitlbee -F -p ${toString portNumber} \
               -i ${interface} -u bitlbee
-    '';
+          '';
-  }];
+      };
 
-  environment.systemPackages = [ pkgs.bitlbee ];
+    environment.systemPackages = [ pkgs.bitlbee ];
+
+  };
+  
 }

modules/services/networking/dhcpd.nix

@@ -1,79 +1,6 @@
-{pkgs, config, ...}:
+{ config, pkgs, ... }:
 
-###### interface
+with pkgs.lib;
-let
-  inherit (pkgs.lib) mkOption mkIf;
-
-  options = {
-    services = {
-      dhcpd = {
-
-        enable = mkOption {
-          default = false;
-          description = "
-            Whether to enable the DHCP server.
-          ";
-        };
-
-        extraConfig = mkOption {
-          default = "";
-          example = "
-            option subnet-mask 255.255.255.0;
-            option broadcast-address 192.168.1.255;
-            option routers 192.168.1.5;
-            option domain-name-servers 130.161.158.4, 130.161.33.17, 130.161.180.1;
-            option domain-name \"example.org\";
-            subnet 192.168.1.0 netmask 255.255.255.0 {
-              range 192.168.1.100 192.168.1.200;
-            }
-          ";
-          description = "
-            Extra text to be appended to the DHCP server configuration
-            file.  Currently, you almost certainly need to specify
-            something here, such as the options specifying the subnet
-            mask, DNS servers, etc.
-          ";
-        };
-
-        configFile = mkOption {
-          default = null;
-          description = "
-            The path of the DHCP server configuration file.  If no file
-            is specified, a file is generated using the other options.
-          ";
-        };
-
-        interfaces = mkOption {
-          default = ["eth0"];
-          description = "
-            The interfaces on which the DHCP server should listen.
-          ";
-        };
-
-        machines = mkOption {
-          default = [];
-          example = [
-            { hostName = "foo";
-              ethernetAddress = "00:16:76:9a:32:1d";
-              ipAddress = "192.168.1.10";
-            }
-            { hostName = "bar";
-              ethernetAddress = "00:19:d1:1d:c4:9a";
-              ipAddress = "192.168.1.11";
-            }
-          ];
-          description = "
-            A list mapping ethernet addresses to IP addresses for the
-            DHCP server.
-          ";
-        };
-
-      };
-    };
-  };
-in
-
-###### implementation
 
 let
 
@@ -81,43 +8,114 @@ let
 
   stateDir = "/var/lib/dhcp"; # Don't use /var/state/dhcp; not FHS-compliant.
 
-  machines = pkgs.lib.concatMapStrings (machine: ''
+  configFile = if cfg.configFile != null then cfg.configFile else pkgs.writeText "dhcpd.conf"
-    host ${machine.hostName} {
+    ''
-      hardware ethernet ${machine.ethernetAddress};
+      default-lease-time 600;
-      fixed-address ${machine.ipAddress};
+      max-lease-time 7200;
-    }
+      authoritative;
-  '') cfg.machines;
+      ddns-update-style ad-hoc;
+      log-facility local1; # see dhcpd.nix
+      
+      ${cfg.extraConfig}
 
-  configFile = if cfg.configFile != null then cfg.configFile else pkgs.writeText "dhcpd.conf" ''
+      ${pkgs.lib.concatMapStrings
-    default-lease-time 600;
+          (machine: ''
-    max-lease-time 7200;
+            host ${machine.hostName} {
-    authoritative;
+              hardware ethernet ${machine.ethernetAddress};
-    ddns-update-style ad-hoc;
+              fixed-address ${machine.ipAddress};
-    log-facility local1; # see dhcpd.nix
+            }
-    ${cfg.extraConfig}
+          '')
-    ${machines}
+          cfg.machines
-  '';
+      }
+    '';
 
 in
   
+{
 
-mkIf config.services.dhcpd.enable {
+  ###### interface
-  require = [
-    options
-  ];
 
-  services = {
+  options = {
-    extraJobs = [{
+  
-      name = "dhcpd";
+    services.dhcpd = {
-      
-      job = ''
-        description "DHCP server"
 
-        start on network-interfaces/started
+      enable = mkOption {
-        stop on network-interfaces/stop
+        default = false;
+        description = "
+          Whether to enable the DHCP server.
+        ";
+      };
 
-        script
+      extraConfig = mkOption {
+        default = "";
+        example = "
+          option subnet-mask 255.255.255.0;
+          option broadcast-address 192.168.1.255;
+          option routers 192.168.1.5;
+          option domain-name-servers 130.161.158.4, 130.161.33.17, 130.161.180.1;
+          option domain-name \"example.org\";
+          subnet 192.168.1.0 netmask 255.255.255.0 {
+            range 192.168.1.100 192.168.1.200;
+          }
+        ";
+        description = "
+          Extra text to be appended to the DHCP server configuration
+          file.  Currently, you almost certainly need to specify
+          something here, such as the options specifying the subnet
+          mask, DNS servers, etc.
+        ";
+      };
 
+      configFile = mkOption {
+        default = null;
+        description = "
+          The path of the DHCP server configuration file.  If no file
+          is specified, a file is generated using the other options.
+        ";
+      };
+
+      interfaces = mkOption {
+        default = ["eth0"];
+        description = "
+          The interfaces on which the DHCP server should listen.
+        ";
+      };
+
+      machines = mkOption {
+        default = [];
+        example = [
+          { hostName = "foo";
+            ethernetAddress = "00:16:76:9a:32:1d";
+            ipAddress = "192.168.1.10";
+          }
+          { hostName = "bar";
+            ethernetAddress = "00:19:d1:1d:c4:9a";
+            ipAddress = "192.168.1.11";
+          }
+        ];
+        description = "
+          A list mapping ethernet addresses to IP addresses for the
+          DHCP server.
+        ";
+      };
+
+    };
+    
+  };
+  
+
+  ###### implementation
+
+  config = mkIf config.services.dhcpd.enable {
+
+    jobAttrs.dhcpd =
+      { description = "DHCP server";
+
+        startOn = "network-interfaces/started";
+        stopOn = "network-interfaces/stop";
+
+        script =
+          ''
             mkdir -m 755 -p ${stateDir}
 
             touch ${stateDir}/dhcpd.leases
@@ -125,9 +123,9 @@ mkIf config.services.dhcpd.enable {
             exec ${pkgs.dhcp}/sbin/dhcpd -f -cf ${configFile} \
                 -lf ${stateDir}/dhcpd.leases \
                 ${toString cfg.interfaces}
+          '';
+      };
 
-        end script
-      '';
-    }];
   };
+  
 }

modules/services/networking/ejabberd.nix

@@ -1,85 +1,83 @@
-{pkgs, config, ...}:
+{ config, pkgs, ... }:
+
+with pkgs.lib;
 
-###### interface
 let
-  inherit (pkgs.lib) mkOption mkIf;
+
+  cfg = config.services.ejabberd;
+
+in
+
+{
+
+  ###### interface
 
   options = {
-    services = {
+  
-      ejabberd = {
+    services.ejabberd = {
-        enable = mkOption {
+    
-          default = false;
+      enable = mkOption {
-          description = "Whether to enable ejabberd server";
+        default = false;
-        };
+        description = "Whether to enable ejabberd server";
-              
-        spoolDir = mkOption {
-          default = "/var/lib/ejabberd";
-          description = "Location of the spooldir of ejabberd";
-        };
-        
-        logsDir = mkOption {
-          default = "/var/log/ejabberd";
-          description = "Location of the logfile directory of ejabberd";
-        };
-        
-        confDir = mkOption {
-          default = "/var/ejabberd";
-          description = "Location of the config directory of ejabberd";
-        };
-        
-        virtualHosts = mkOption {
-          default = "\"localhost\"";
-          description = "Virtualhosts that ejabberd should host. Hostnames are surrounded with doublequotes and separated by commas";
-        };
       };
+
+      spoolDir = mkOption {
+        default = "/var/lib/ejabberd";
+        description = "Location of the spooldir of ejabberd";
+      };
+
+      logsDir = mkOption {
+        default = "/var/log/ejabberd";
+        description = "Location of the logfile directory of ejabberd";
+      };
+
+      confDir = mkOption {
+        default = "/var/ejabberd";
+        description = "Location of the config directory of ejabberd";
+      };
+
+      virtualHosts = mkOption {
+        default = "\"localhost\"";
+        description = "Virtualhosts that ejabberd should host. Hostnames are surrounded with doublequotes and separated by commas";
+      };
+
     };
+    
   };
-in
+  
 
-###### implementation
+  ###### implementation
 
-let
+  config = mkIf cfg.enable {
 
-cfg = config.services.ejabberd;
+    jobAttrs.ejabberd =
+      { description = "EJabberd server";
 
-in
+        startOn = "network-interface/started";
+        stopOn = "network-interfaces/stop";
 
-mkIf config.services.ejabberd.enable {
+        preStart =
+          ''
+            # Initialise state data
+            mkdir -p ${cfg.logsDir}
 
-  require = [
+            if ! test -d ${cfg.spoolDir}
-    options
+            then
-  ];
+                cp -av ${pkgs.ejabberd}/var/lib/ejabberd /var/lib
+            fi
 
+            mkdir -p ${cfg.confDir}
+            test -f ${cfg.confDir}/ejabberd.cfg || sed -e 's|{hosts, \["localhost"\]}.|{hosts, \[${cfg.virtualHosts}\]}.|' ${pkgs.ejabberd}/etc/ejabberd/ejabberd.cfg > ${cfg.confDir}/ejabberd.cfg
+          '';
 
-  services = {
+        exec = "${pkgs.bash}/bin/sh -c 'export PATH=$PATH:${pkgs.ejabberd}/sbin:${pkgs.coreutils}/bin:${pkgs.bash}/bin; cd ~; ejabberdctl --logs ${cfg.logsDir} --spool ${cfg.spoolDir} --config ${cfg.confDir}/ejabberd.cfg start; sleep 1d'";
-    extraJobs = [{
-      name = "ejabberd";
-          
-      job = ''
-        description "EJabberd server"
 
-        start on network-interface/started
+        postStop =
-        stop on network-interfaces/stop
+          ''        
-      
-        start script
-              # Initialise state data
-              mkdir -p ${cfg.logsDir}
-              
-              if ! test -d ${cfg.spoolDir}
-              then
-                  cp -av ${pkgs.ejabberd}/var/lib/ejabberd /var/lib
-              fi
-              
-              mkdir -p ${cfg.confDir}
-              test -f ${cfg.confDir}/ejabberd.cfg || sed -e 's|{hosts, \["localhost"\]}.|{hosts, \[${cfg.virtualHosts}\]}.|' ${pkgs.ejabberd}/etc/ejabberd/ejabberd.cfg > ${cfg.confDir}/ejabberd.cfg
-        end script
-        
-        respawn ${pkgs.bash}/bin/sh -c 'export PATH=$PATH:${pkgs.ejabberd}/sbin:${pkgs.coreutils}/bin:${pkgs.bash}/bin; cd ~; ejabberdctl --logs ${cfg.logsDir} --spool ${cfg.spoolDir} --config ${cfg.confDir}/ejabberd.cfg start; sleep 1d'
-        
-        stop script
             ${pkgs.ejabberd}/sbin/ejabberdctl stop
-        end script
+          '';
-      '';
+      };
-    }];
+
   };
+  
 }

modules/services/networking/gnunet.nix

@@ -1,218 +1,218 @@
-{pkgs, config, ...}:
+{ config, pkgs, ... }:
+
+with pkgs.lib;
 
-###### interface
 let
-  inherit (pkgs.lib) mkOption mkIf;
+
+  cfg = config.services.gnunet;
+
+  configFile = with cfg; pkgs.writeText "gnunetd.conf"
+    ''
+      [PATHS]
+      GNUNETD_HOME = ${home}
+
+      [GNUNETD]
+      HOSTLISTURL = ${lib.concatStringsSep " " hostLists}
+      APPLICATIONS = ${lib.concatStringsSep " " applications}
+      TRANSPORTS = ${lib.concatStringsSep " " transports}
+
+      [LOAD]
+      MAXNETDOWNBPSTOTAL = ${toString load.maxNetDownBandwidth}
+      MAXNETUPBPSTOTAL = ${toString load.maxNetUpBandwidth}
+      HARDUPLIMIT = ${toString load.hardNetUpBandwidth}
+      MAXCPULOAD = ${toString load.maxCPULoad}
+      INTERFACES = ${lib.concatStringsSep " " load.interfaces}
+
+      [FS]
+      QUOTA = ${toString fileSharing.quota}
+      ACTIVEMIGRATION = ${if fileSharing.activeMigration then "YES" else "NO"}
+
+      [MODULES]
+      sqstore = sqstore_sqlite
+      dstore = dstore_sqlite
+      topology = topology_default
+
+      ${extraOptions}
+    '';
+
+in
+
+{
+
+  ###### interface
 
   options = {
-    services = {
+  
-      gnunet = {
+    services.gnunet = {
       
-        enable = mkOption {
+      enable = mkOption {
+        default = false;
+        description = ''
+          Whether to run the GNUnet daemon.  GNUnet is GNU's anonymous
+          peer-to-peer communication and file sharing framework.
+        '';
+      };
+
+      home = mkOption {
+        default = "/var/lib/gnunet";
+        description = ''
+          Directory where the GNUnet daemon will store its data.
+        '';
+      };
+
+      debug = mkOption {
+        default = false;
+        description = ''
+          When true, run in debug mode; gnunetd will not daemonize and
+          error messages will be written to stderr instead of a
+          logfile.
+        '';
+      };
+
+      logLevel = mkOption {
+        default = "ERROR";
+        example = "INFO";
+        description = ''
+          Log level of the deamon (see `gnunetd(1)' for details).
+        '';
+      };
+
+      hostLists = mkOption {
+        default = [
+          "http://gnunet.org/hostlist.php"
+          "http://gnunet.mine.nu:8081/hostlist"
+          "http://vserver1236.vserver-on.de/hostlist-074"
+        ];
+        description = ''
+          URLs of host lists.
+        '';
+      };
+
+      applications = mkOption {
+        default = [ "advertising" "getoption" "fs" "stats" "traffic" ];
+        example = [ "chat" "fs" ];
+        description = ''
+          List of GNUnet applications supported by the daemon.  Note that
+          `fs', which means "file sharing", is probably the one you want.
+        '';
+      };
+
+      transports = mkOption {
+        default = [ "udp" "tcp" "http" "nat" ];
+        example = [ "smtp" "http" ];
+        description = ''
+          List of transport methods used by the server.
+        '';
+      };
+
+      fileSharing = {
+        quota = mkOption {
+          default = 1024;
+          description = ''
+            Maximum file system usage (in MiB) for file sharing.
+          '';
+        };
+
+        activeMigration = mkOption {
           default = false;
           description = ''
-            Whether to run the GNUnet daemon.  GNUnet is GNU's anonymous
+            Whether to allow active migration of content originating
-            peer-to-peer communication and file sharing framework.
+            from other nodes.
-          '';
-        };
-
-        home = mkOption {
-          default = "/var/lib/gnunet";
-          description = ''
-            Directory where the GNUnet daemon will store its data.
-          '';
-        };
-
-        debug = mkOption {
-          default = false;
-          description = ''
-            When true, run in debug mode; gnunetd will not daemonize and
-            error messages will be written to stderr instead of a
-            logfile.
-          '';
-        };
-
-        logLevel = mkOption {
-          default = "ERROR";
-          example = "INFO";
-          description = ''
-            Log level of the deamon (see `gnunetd(1)' for details).
-          '';
-        };
-
-        hostLists = mkOption {
-          default = [
-            "http://gnunet.org/hostlist.php"
-            "http://gnunet.mine.nu:8081/hostlist"
-            "http://vserver1236.vserver-on.de/hostlist-074"
-          ];
-          description = ''
-            URLs of host lists.
-          '';
-        };
-
-
-        applications = mkOption {
-          default = [ "advertising" "getoption" "fs" "stats" "traffic" ];
-          example = [ "chat" "fs" ];
-          description = ''
-            List of GNUnet applications supported by the daemon.  Note that
-            `fs', which means "file sharing", is probably the one you want.
-          '';
-        };
-
-        transports = mkOption {
-          default = [ "udp" "tcp" "http" "nat" ];
-          example = [ "smtp" "http" ];
-          description = ''
-            List of transport methods used by the server.
-          '';
-        };
-
-        fileSharing = {
-          quota = mkOption {
-            default = 1024;
-            description = ''
-              Maximum file system usage (in MiB) for file sharing.
-            '';
-          };
-
-          activeMigration = mkOption {
-            default = false;
-            description = ''
-              Whether to allow active migration of content originating
-              from other nodes.
-            '';
-          };
-        };
-
-        load = {
-          maxNetDownBandwidth = mkOption {
-            default = 50000;
-            description = ''
-              Maximum bandwidth usage (in bits per second) for GNUnet
-              when downloading data.
-            '';
-          };
-
-          maxNetUpBandwidth = mkOption {
-            default = 50000;
-            description = ''
-              Maximum bandwidth usage (in bits per second) for GNUnet
-              when downloading data.
-            '';
-          };
-
-          hardNetUpBandwidth = mkOption {
-            default = 0;
-            description = ''
-              Hard bandwidth limit (in bits per second) when uploading
-              data.
-            '';
-          };
-
-          maxCPULoad = mkOption {
-            default = 100;
-            description = ''
-              Maximum CPU load (percentage) authorized for the GNUnet
-              daemon.
-            '';
-          };
-
-          interfaces = mkOption {
-            default = [ "eth0" ];
-            example = [ "wlan0" "eth1" ];
-            description = ''
-              List of network interfaces to use.
-            '';
-          };
-        };
-
-        extraOptions = mkOption {
-          default = "";
-          example = ''
-            [NETWORK]
-            INTERFACE = eth3
-          '';
-          description = ''
-            Additional options that will be copied verbatim in `gnunetd.conf'.
-            See `gnunetd.conf(5)' for details.
           '';
         };
       };
+
+      load = {
+        maxNetDownBandwidth = mkOption {
+          default = 50000;
+          description = ''
+            Maximum bandwidth usage (in bits per second) for GNUnet
+            when downloading data.
+          '';
+        };
+
+        maxNetUpBandwidth = mkOption {
+          default = 50000;
+          description = ''
+            Maximum bandwidth usage (in bits per second) for GNUnet
+            when downloading data.
+          '';
+        };
+
+        hardNetUpBandwidth = mkOption {
+          default = 0;
+          description = ''
+            Hard bandwidth limit (in bits per second) when uploading
+            data.
+          '';
+        };
+
+        maxCPULoad = mkOption {
+          default = 100;
+          description = ''
+            Maximum CPU load (percentage) authorized for the GNUnet
+            daemon.
+          '';
+        };
+
+        interfaces = mkOption {
+          default = [ "eth0" ];
+          example = [ "wlan0" "eth1" ];
+          description = ''
+            List of network interfaces to use.
+          '';
+        };
+      };
+
+      extraOptions = mkOption {
+        default = "";
+        example = ''
+          [NETWORK]
+          INTERFACE = eth3
+        '';
+        description = ''
+          Additional options that will be copied verbatim in `gnunetd.conf'.
+          See `gnunetd.conf(5)' for details.
+        '';
+      };
     };
+
   };
-in
 
-###### implementation
 
-mkIf config.services.gnunet.enable {
+  ###### implementation
-  require = [
-    options
-  ];
 
-  users = {
+  config = mkIf config.services.gnunet.enable {
-    extraUsers = [
+
+    users.extraUsers = singleton
       { name = "gnunetd";
         uid = config.ids.uids.gnunetd;
         description = "GNUnet Daemon User";
         home = "/var/empty";
-      }
+      };
-    ];
-  };
 
-  services = {
+    jobAttrs.gnunetd =
-    extraJobs = [{
+      { description = "The GNUnet Daemon";
-        name = "gnunetd";
 
-        job =
+        startOn = "network-interfaces/started";
-          with config.services.gnunet;
+        stopOn = "network-interfaces/stop";
-          let 
-            inherit (pkgs) lib gnunet;
-            configFile = pkgs.writeText "gnunetd.conf" ''
-              [PATHS]
-              GNUNETD_HOME = ${home}
 
-              [GNUNETD]
+        preStart =
-              HOSTLISTURL = ${lib.concatStringsSep " " hostLists}
+          ''
-              APPLICATIONS = ${lib.concatStringsSep " " applications}
+            test -d "${cfg.home}" || \
-              TRANSPORTS = ${lib.concatStringsSep " " transports}
+              ( mkdir -m 755 -p "${cfg.home}" && chown -R gnunetd:users "${cfg.home}")
+          '';
 
-              [LOAD]
+        exec =
-              MAXNETDOWNBPSTOTAL = ${toString load.maxNetDownBandwidth}
+          ''
-              MAXNETUPBPSTOTAL = ${toString load.maxNetUpBandwidth}
+            respawn ${pkgs.gnunet}/bin/gnunetd              \
-              HARDUPLIMIT = ${toString load.hardNetUpBandwidth}
-              MAXCPULOAD = ${toString load.maxCPULoad}
-              INTERFACES = ${lib.concatStringsSep " " load.interfaces}
-
-              [FS]
-              QUOTA = ${toString fileSharing.quota}
-              ACTIVEMIGRATION = ${if fileSharing.activeMigration then "YES" else "NO"}
-
-              [MODULES]
-              sqstore = sqstore_sqlite
-              dstore = dstore_sqlite
-              topology = topology_default
-
-              ${extraOptions}
-            '';
-            in ''
-            description "The GNUnet Daemon"
-
-            start on network-interfaces/started
-            stop on network-interfaces/stop
-
-            start script
-                test -d "${home}" || \
-                ( mkdir -m 755 -p "${home}" && chown -R gnunetd:users "${home}")
-            end script
-
-            respawn ${gnunet}/bin/gnunetd                   \
               ${if debug then "--debug" else "" }           \
               --user="gnunetd"                              \
               --config="${configFile}"                      \
-              --log="${logLevel}"
+              --log="${cfg.logLevel}"
-            '';
+          '';
-    }];
+      };
+
   };
+
 }

modules/services/networking/gw6c.nix

@@ -1,141 +1,143 @@
-{servicesPath, pkgs, config, ...}:
+{ config, pkgs, servicesPath, ... }:
+
+with pkgs.lib;
 
-###### interface
 let
-  inherit (pkgs.lib) mkOption mkIf;
+
+  cfg = config.services.gw6c;
+
+  gw6cService = import (servicesPath + /gw6c) {
+    inherit (pkgs) stdenv gw6c coreutils 
+      procps upstart iputils gnused 
+      gnugrep seccure writeScript;
+    username = cfg.username;
+    password = cfg.password;
+    server = cfg.server;
+    keepAlive = cfg.keepAlive;
+    everPing = cfg.everPing;
+    seccureKeys = config.security.seccureKeys;
+    waitPingableBroker = cfg.waitPingableBroker;
+  };
+  
+in
+
+{
+
+  ###### interface
 
   options = {
-    services = {
+  
-      gw6c = {
+    services.gw6c = {
-        enable = mkOption {
+    
-          default = false;
+      enable = mkOption {
-          description = "
+        default = false;
-            Whether to enable Gateway6 client (IPv6 tunnel).
+        description = "
-          ";
+          Whether to enable Gateway6 client (IPv6 tunnel).
-        };
+        ";
-
-        autorun = mkOption {
-          default = true;
-          description = "
-            Switch to false to create upstart-job and configuration, 
-            but not run it automatically
-          ";
-        };
-
-        username = mkOption {
-          default = "";
-          description = "
-            Your Gateway6 login name, if any.
-          ";
-        };
-
-        password = mkOption {
-          default = "";
-          description = "
-            Your Gateway6 password, if any.
-          ";
-        };
-
-        server = mkOption {
-          default = "anon.freenet6.net";
-          example = "broker.freenet6.net";
-          description = "
-            Used Gateway6 server.
-          ";
-        };
-
-        keepAlive = mkOption {
-          default = "30";
-          example = "2";
-          description = "
-            Gateway6 keep-alive period.
-          ";
-        };
-
-        everPing = mkOption {
-          default = "1000000";
-          example = "2";
-          description = "
-            Gateway6 manual ping period.
-          ";
-        };
-
-        waitPingableBroker = mkOption {
-          default = true;
-          example = false;
-          description = "
-            Whether to wait until tunnel broker returns ICMP echo.
-          ";
-        };
       };
-    };
-    security = {
-      seccureKeys = {
-        public = mkOption {
-          default = /var/elliptic-keys/public;
-          description = "
-            Public key. Make it path argument, so it is copied into store and
-            hashed. 
 
-            The key is used to encrypt Gateway 6 configuration in store, as it
+      autorun = mkOption {
-            contains a password for external service. Unfortunately, 
+        default = true;
-            derivation file should be protected by other means. For example, 
+        description = "
-            nix-http-export.cgi will happily export any non-derivation path,
+          Switch to false to create upstart-job and configuration, 
-            but not a derivation.
+          but not run it automatically
-          ";
+        ";
-        };
-
-        private = mkOption {
-          default = "/var/elliptic-keys/private";
-          description = "
-            Private key. Make it string argument, so it is not copied into store.
-          ";
-        };
       };
+
+      username = mkOption {
+        default = "";
+        description = "
+          Your Gateway6 login name, if any.
+        ";
+      };
+
+      password = mkOption {
+        default = "";
+        description = "
+          Your Gateway6 password, if any.
+        ";
+      };
+
+      server = mkOption {
+        default = "anon.freenet6.net";
+        example = "broker.freenet6.net";
+        description = "
+          Used Gateway6 server.
+        ";
+      };
+
+      keepAlive = mkOption {
+        default = "30";
+        example = "2";
+        description = "
+          Gateway6 keep-alive period.
+        ";
+      };
+
+      everPing = mkOption {
+        default = "1000000";
+        example = "2";
+        description = "
+          Gateway6 manual ping period.
+        ";
+      };
+
+      waitPingableBroker = mkOption {
+        default = true;
+        example = false;
+        description = "
+          Whether to wait until tunnel broker returns ICMP echo.
+        ";
+      };
+
     };
+    
+    security.seccureKeys = {
+
+      # !!! It's not clear to me (ED) what additional security this
+      # provides.  Passwords shouldn't be in configuration.nix,
+      # period.  You could just place the password in
+      # /var/blah/password or whatever.
+    
+      public = mkOption {
+        default = /var/elliptic-keys/public;
+        description = "
+          Public key. Make it path argument, so it is copied into store and
+          hashed. 
+
+          The key is used to encrypt Gateway 6 configuration in store, as it
+          contains a password for external service. Unfortunately, 
+          derivation file should be protected by other means. For example, 
+          nix-http-export.cgi will happily export any non-derivation path,
+          but not a derivation.
+        ";
+      };
+
+      private = mkOption {
+        default = "/var/elliptic-keys/private";
+        description = "
+          Private key. Make it string argument, so it is not copied into store.
+        ";
+      };
+
+    };
+
   };
-in
+  
 
-###### implementation
+  ###### implementation
 
-let
+  config = mkIf cfg.enable {
-        cfg = config.services.gw6c;
-        procps = pkgs.procps;
-        gw6cService = import (servicesPath + /gw6c) {
-                inherit (pkgs) stdenv gw6c coreutils 
-                procps upstart iputils gnused 
-                gnugrep seccure writeScript;
-                username = cfg.username;
-                password = cfg.password;
-                server = cfg.server;
-                keepAlive = cfg.keepAlive;
-                everPing = cfg.everPing;
 
-                seccureKeys = config.security.seccureKeys;
+    jobAttrs.gw6c =
+      { description = "Gateway6 client";
+      
+        startOn = if cfg.autorun then "network-interfaces/started" else "";
+        stopOn = "network-interfaces/stop";
 
-                waitPingableBroker = cfg.waitPingableBroker;
+        exec = "${gw6cService}/bin/control start";
-        };
+      };
-in
 
-
-mkIf config.services.gw6c.enable {
-  require = [
-    options
-  ];
-
-  services = {
-    extraJobs = [{
-        name = "gw6c";
-        users = [];
-        groups = [];
-        job = ''
-          description \"Gateway6 client\"
-
-          start on ${ if cfg.autorun then "network-interfaces/started" else "never" }
-          stop on network-interfaces/stop
-
-          respawn ${gw6cService}/bin/control start
-        '';
-    }];
   };
+
 }

modules/services/networking/ircd-hybrid.nix

@@ -1,89 +1,11 @@
-{servicesPath, pkgs, config, ...}:
+{ config, pkgs, servicesPath, ... }:
 
-###### interface
+with pkgs.lib;
-let
-  inherit (pkgs.lib) mkOption mkIf;
-
-  options = {
-    services = {
-      ircdHybrid = {
-
-        enable = mkOption {
-          default = false;
-          description = "
-            Enable IRCD.
-          ";
-        };
-
-        serverName = mkOption {
-          default = "hades.arpa";
-          description = "
-            IRCD server name.
-          ";
-        };
-
-        sid = mkOption {
-          default = "0NL";
-          description = "
-            IRCD server unique ID in a net of servers.
-          ";
-        };
-
-        description = mkOption {
-          default = "Hybrid-7 IRC server.";
-          description = "
-            IRCD server description.
-          ";
-        };
-
-        rsaKey = mkOption {
-          default = null;
-          example = /root/certificates/irc.key;
-          description = "
-            IRCD server RSA key. 
-          ";
-        };
-
-        certificate = mkOption {
-          default = null;
-          example = /root/certificates/irc.pem;
-          description = "
-            IRCD server SSL certificate. There are some limitations - read manual.
-          ";
-        };
-
-        adminEmail = mkOption {
-          default = "<bit-bucket@example.com>";
-          example = "<name@domain.tld>";
-          description = "
-            IRCD server administrator e-mail. 
-          ";
-        };
-
-        extraIPs = mkOption {
-          default = [];
-          example = ["127.0.0.1"];
-          description = "
-            Extra IP's to bind.
-          ";
-        };
-
-        extraPort = mkOption {
-          default = "7117";
-          description = "
-            Extra port to avoid filtering.
-          ";
-        };
-
-      };
-    };
-  };
-in
-
-###### implementation
 
 let
+
   cfg = config.services.ircdHybrid;
+  
   ircdService = import (servicesPath + /ircd-hybrid) {
     stdenv = pkgs.stdenv;
     inherit (pkgs) ircdHybrid coreutils 
@@ -96,35 +18,116 @@ let
     adminEmail = cfg.adminEmail;
     extraIPs = cfg.extraIPs;
     extraPort = cfg.extraPort;
-    gw6cEnabled = (config.services.gw6c.enable) &&
+    gw6cEnabled = config.services.gw6c.enable && config.services.gw6c.autorun;
-            (config.services.gw6c.autorun);
   };
 
   startingDependency = if config.services.gw6c.enable then "gw6c" else "network-interfaces";
 
 in
 
-mkIf config.services.ircdHybrid.enable {
+{
-  require = [
-    options
-  ];
 
-  services = {
+  ###### interface
-    extraJobs = [{
-      name = "ircd-hybrid";
-      users = [ {
-                      name = "ircd"; 
-                      description = "IRCD owner.";
-              } ];
-      groups = [{name = "ircd";}];
-      job = ''
-        description = "IRCD Hybrid server."
 
-        start on ${startingDependency}/started
+  options = {
-        stop on ${startingDependency}/stop
+  
+    services.ircdHybrid = {
+
+      enable = mkOption {
+        default = false;
+        description = "
+          Enable IRCD.
+        ";
+      };
+
+      serverName = mkOption {
+        default = "hades.arpa";
+        description = "
+          IRCD server name.
+        ";
+      };
+
+      sid = mkOption {
+        default = "0NL";
+        description = "
+          IRCD server unique ID in a net of servers.
+        ";
+      };
+
+      description = mkOption {
+        default = "Hybrid-7 IRC server.";
+        description = "
+          IRCD server description.
+        ";
+      };
+
+      rsaKey = mkOption {
+        default = null;
+        example = /root/certificates/irc.key;
+        description = "
+          IRCD server RSA key. 
+        ";
+      };
+
+      certificate = mkOption {
+        default = null;
+        example = /root/certificates/irc.pem;
+        description = "
+          IRCD server SSL certificate. There are some limitations - read manual.
+        ";
+      };
+
+      adminEmail = mkOption {
+        default = "<bit-bucket@example.com>";
+        example = "<name@domain.tld>";
+        description = "
+          IRCD server administrator e-mail. 
+        ";
+      };
+
+      extraIPs = mkOption {
+        default = [];
+        example = ["127.0.0.1"];
+        description = "
+          Extra IP's to bind.
+        ";
+      };
+
+      extraPort = mkOption {
+        default = "7117";
+        description = "
+          Extra port to avoid filtering.
+        ";
+      };
+
+    };
 
-        respawn ${ircdService}/bin/control start
-      '';
-    }];
   };
+
+
+  ###### implementation
+
+  config = mkIf config.services.ircdHybrid.enable {
+
+    users.extraUsers = singleton
+      { name = "ircd"; 
+        description = "IRCD owner";
+      };
+
+    users.extraGroups = singleton
+      { name = "ircd"; };
+
+    jobAttrs.ircd_hybrid =
+      { # name = "ircd-hybrid"; !!! mkIf bug
+
+        description = "IRCD Hybrid server";
+
+        startOn = "${startingDependency}/started";
+        stopOn = "${startingDependency}/stop";
+
+        exec = "${ircdService}/bin/control start";
+      };
+
+  };
+
 }

modules/services/networking/openfire.nix

@@ -1,65 +1,62 @@
-{pkgs, config, ...}:
+{ config, pkgs, ... }:
 
-###### interface
+with pkgs.lib;
-let
-  inherit (pkgs.lib) mkOption mkIf;
-
-  options = {
-    services = {
-      openfire = {
-        enable = mkOption {
-          default = false;
-          description = "
-            Whether to enable OpenFire XMPP server.
-          ";
-        };
-        usePostgreSQL = mkOption {
-          default = true;
-          description = "
-            Whether you use PostgreSQL service for your storage back-end.
-          ";
-        };
-      };
-    };
-  };
-in
-
-###### implementation
 
 let
+
   inherit (pkgs) jre openfire coreutils which gnugrep gawk gnused;
     
-  startDependency = if config.services.openfire.usePostgreSQL then 
+  startDependency =
-    "postgresql"
+    if config.services.openfire.usePostgreSQL then "postgresql" else
-  else
+    if config.services.gw6c.enable then "gw6c" else
-    if config.services.gw6c.enable then 
+    "network-interfaces";
-      "gw6c" 
+    
-    else 
-      "network-interfaces";
 in
 
-mkIf config.services.openfire.enable {
+{
 
-  assertions = [ {
+  ###### interface
-    assertion = !(config.services.openfire.usePostgreSQL -> config.services.postgresql.enable);
-    message = "openfire assertion failed";
-  } ];
 
-  require = [
+  options = {
-    options
+  
-  ];
+    services.openfire = {
+    
+      enable = mkOption {
+        default = false;
+        description = "
+          Whether to enable OpenFire XMPP server.
+        ";
+      };
+      
+      usePostgreSQL = mkOption {
+        default = true;
+        description = "
+          Whether you use PostgreSQL service for your storage back-end.
+        ";
+      };
+
+    };
+
+  };
 
 
-  services = {
+  ###### implementation
-      extraJobs = [{
-        name = "openfire";
-        job = ''
-          description "OpenFire XMPP server"
 
-          start on ${startDependency}/started
+  config = mkIf config.services.openfire.enable {
-          stop on shutdown
 
-          script 
+    assertions = singleton
+      { assertion = !(config.services.openfire.usePostgreSQL -> config.services.postgresql.enable);
+        message = "openfire assertion failed";
+      };
+
+    jobAttrs.openfire =
+      { description = "OpenFire XMPP server";
+
+        startOn = "${startDependency}/started";
+        stopOn = "shutdown";
+
+        script =
+          ''
             export PATH=${jre}/bin:${openfire}/bin:${coreutils}/bin:${which}/bin:${gnugrep}/bin:${gawk}/bin:${gnused}/bin
             export HOME=/tmp
             mkdir /var/log/openfire || true 
@@ -70,8 +67,9 @@ mkIf config.services.openfire.enable {
                 fi
             done
             openfire start
-          end script
+          ''; # */
-        '';
+      };
-    }];
+
   };
+  
 }

modules/services/networking/openvpn.nix

@@ -1,83 +1,14 @@
+{ config, pkgs, ... }:
 
-{pkgs, config, ...}:
+with pkgs.lib;
 
-###### interface
 let
-  inherit (pkgs.lib) mkOption mkIf;
-
-  options = {
-    services = {
-      openvpn = {
-        enable = mkOption {
-          default = false;
-          description = "
-            Whether to enable the Secure Shell daemon, which allows secure
-            remote logins.
-          ";
-        };
-        servers = mkOption {
-          example = [
-            {
-              id = "server-simplest";
-              config = ''
-                # Most simple configuration: http://openvpn.net/index.php/documentation/miscellaneous/static-key-mini-howto.html.
-                # server : 
-                dev tun
-                ifconfig 10.8.0.1 10.8.0.2
-                secret static.key
-              '';
-              up = "ip route add ..!";
-              down = "ip route add ..!";
-            }
-            {
-              id = "client-simplest";
-              config = ''
-                #client:
-                #remote myremote.mydomain
-                #dev tun
-                #ifconfig 10.8.0.2 10.8.0.1
-                #secret static.key
-              '';
-            }
-            {
-              id = "server-scalable";
-              config = ''
-                multiple clienst
-                see example file found in http://openvpn.net/index.php/documentation/howto.html
-              '';
-            }
-            {
-              id = "client-scalabe";
-              config = '' dito '';
-            }
-          ];
-          default = [];
-          description = ''
-            openvpn instances to be run. Each will be put into an extra job named openvpn-{id}
-
-            The up and down properties will be added config line up=/nix/store/xxx-up-script
-            automatically for you. If you define at least one of up/down
-            "script-security 2" will be prepended to your config.
-
-            Don't forget to check that the all package sizes can be sent. if scp hangs or such you should set
-            --fragment XXX --mssfix YYY.
-          '';
-        };
-      };
-    };
-  };
-
-
-  modprobe = config.system.sbin.modprobe;
-
-###### implementation
 
   cfg = config.services.openvpn;
 
   inherit (pkgs) openvpn;
-  inherit (builtins) hasAttr;
 
-  PATH="${pkgs.iptables}/sbin:${pkgs.coreutils}/bin:${pkgs.iproute}/sbin:${pkgs.nettools}/sbin";
+  PATH = "${pkgs.iptables}/sbin:${pkgs.coreutils}/bin:${pkgs.iproute}/sbin:${pkgs.nettools}/sbin";
 
   makeOpenVPNJob = cfg :
     let
@@ -93,42 +24,105 @@ let
         PATH=${PATH}
         ${cfg.down}
       '';
-      configFile = pkgs.writeText "openvpn-config-${cfg.id}" ''
+      configFile = pkgs.writeText "openvpn-config-${cfg.id}"
-      ${if hasAttr "up" cfg || hasAttr "down" cfg then "script-security 2" else ""}
+        ''
-      ${cfg.config}
+          ${if cfg ? up || cfg ? down then "script-security 2" else ""}
-      ${if hasAttr "up" cfg then "up ${pkgs.writeScript "openvpn-${cfg.id}-up" upScript}" else "" }
+          ${cfg.config}
-      ${if hasAttr "down" cfg then "down ${pkgs.writeScript "openvpn-${cfg.id}-down" downScript}" else "" }
+          ${if cfg ? up then "up ${pkgs.writeScript "openvpn-${cfg.id}-up" upScript}" else "" }
-      '';
+          ${if cfg ? down then "down ${pkgs.writeScript "openvpn-${cfg.id}-down" downScript}" else "" }
+        '';
     in {
-      name = "openvpn-${cfg.id}";
+      description = "OpenVPN-${cfg.id}";
 
-      job = ''
+      startOn = "network-interfaces/started";
-        description "OpenVPN-${cfg.id}"
+      stopOn = "network-interfaces/stop";
 
-        start on network-interfaces/started
+      environment = { PATH = "${pkgs.coreutils}/bin"; };
-        stop on network-interfaces/stop
 
-
+      script =
-        PATH=${pkgs.coreutils}/bin
+        ''
-
-        respawn
-        script
           exec &> /var/log/openvpn-${cfg.id}
-          ${modprobe} tun || true
+          ${config.system.sbin.modprobe} tun || true
           ${openvpn}/sbin/openvpn --config ${configFile}
-        end script
+        '';
-      '';
     };
 
 in
+  
+{
 
+  ###### interface
 
-mkIf cfg.enable {
+  options = {
-  require = [
+  
-    options
+    services.openvpn = {
-  ];
+    
+      enable = mkOption {
+        default = false;
+        description = "Whether to enable OpenVPN.";
+      };
+
+      servers = mkOption {
+        example = [
+          {
+            id = "server-simplest";
+            config = ''
+              # Most simple configuration: http://openvpn.net/index.php/documentation/miscellaneous/static-key-mini-howto.html.
+              # server : 
+              dev tun
+              ifconfig 10.8.0.1 10.8.0.2
+              secret static.key
+            '';
+            up = "ip route add ..!";
+            down = "ip route add ..!";
+          }
+          {
+            id = "client-simplest";
+            config = ''
+              #client:
+              #remote myremote.mydomain
+              #dev tun
+              #ifconfig 10.8.0.2 10.8.0.1
+              #secret static.key
+            '';
+          }
+          {
+            id = "server-scalable";
+            config = ''
+              multiple clienst
+              see example file found in http://openvpn.net/index.php/documentation/howto.html
+            '';
+          }
+          {
+            id = "client-scalabe";
+            config = '' dito '';
+          }
+        ];
+        default = [];
+        # !!! clean up this description please
+        description = ''
+          openvpn instances to be run. Each will be put into an extra job named openvpn-{id}
+
+          The up and down properties will be added config line up=/nix/store/xxx-up-script
+          automatically for you. If you define at least one of up/down
+          "script-security 2" will be prepended to your config.
+
+          Don't forget to check that the all package sizes can be sent. if scp hangs or such you should set
+          --fragment XXX --mssfix YYY.
+        '';
+      };
+      
+    };
 
-  services = {
-    extraJobs = map makeOpenVPNJob cfg.servers;
   };
+
+
+  ###### implementation
+
+  config = mkIf cfg.enable {
+
+    jobAttrs = listToAttrs (map (c: nameValuePair "openvpn-${cfg.id}" (makeOpenVPNJob c)) cfg.servers);
+  
+  };
+  
 }

modules/services/networking/portmap.nix

@@ -1,89 +1,84 @@
-{pkgs, config, ...}:
+{ config, pkgs, ... }:
+
+with pkgs.lib;
 
-###### interface
 let
-  inherit (pkgs.lib) mkOption mkIf;
+
+  uid = config.ids.uids.portmap;
+  gid = config.ids.gids.portmap;
+
+  portmap = pkgs.portmap.override { daemonUID = uid; daemonGID = gid; };
+  
+in
+
+{
+
+  ###### interface
 
   options = {
-    services = {
+  
-      portmap = {
+    services.portmap = {
-        enable = mkOption {
+    
-          default = false;
+      enable = mkOption {
-          description = ''
+        default = false;
-            Whether to enable `portmap', an ONC RPC directory service
+        description = ''
-            notably used by NFS and NIS, and which can be queried
+          Whether to enable `portmap', an ONC RPC directory service
-            using the rpcinfo(1) command.
+          notably used by NFS and NIS, and which can be queried
-          '';
+          using the rpcinfo(1) command.
-        };
+        '';
-
-        verbose = mkOption {
-          default = false;
-          description = ''
-            Whether to enable verbose output.
-          '';
-        };
-
-        chroot = mkOption {
-          default = "/var/empty";
-          description = ''
-            If non-empty, a path to change root to.
-          '';
-        };
-
       };
+
+      verbose = mkOption {
+        default = false;
+        description = ''
+          Whether to enable verbose output.
+        '';
+      };
+
+      chroot = mkOption {
+        default = "/var/empty";
+        description = ''
+          If non-empty, a path to change root to.
+        '';
+      };
+
     };
+
   };
-in
+  
 
-###### implementation
+  ###### implementation
 
-let uid = config.ids.uids.portmap;
+  config = mkIf config.services.portmap.enable {
-    gid = config.ids.gids.portmap;
-in
 
-mkIf config.services.portmap.enable {
+    users.extraUsers = singleton
-
-  require = [
-    options
-  ];
-
-
-  users = {
-    extraUsers = [
       { name = "portmap";
         inherit uid;
         description = "portmap daemon user";
         home = "/var/empty";
-      }
+      };
-    ];
 
-    extraGroups = [
+    users.extraGroups = singleton
       { name = "portmap";
         inherit gid;
-      }
+      };
-    ];
-  };
 
-  services = {
+    jobAttrs.portmap =
-    extraJobs = [{ 
+      { description = "ONC RPC portmap";
-      name = "portmap";
-      
 
-      job =
+        startOn = "network-interfaces/started";
-        let portmap = pkgs.portmap.override { daemonUID = uid; daemonGID = gid; };
+        stopOn = "network-interfaces/stop";
-        in
+
+        exec =
           ''
-          description "ONC RPC portmap"
+            ${portmap}/sbin/portmap -f \
+              ${if config.services.portmap.chroot == ""
+                then ""
+                else "-t \"${config.services.portmap.chroot}\""} \
+              ${if config.services.portmap.verbose then "-v" else ""}
+          '';
+      };
 
-          start on network-interfaces/started
-          stop on network-interfaces/stop
-
-          respawn ${portmap}/sbin/portmap -f \
-            ${if config.services.portmap.chroot == ""
-              then ""
-              else "-t \"${config.services.portmap.chroot}\""} \
-            ${if config.services.portmap.verbose then "-v" else ""}
-        '';
-    }];
   };
+
 }

modules/services/networking/ssh/lshd.nix

@@ -1,138 +1,132 @@
-{pkgs, config, ...}:
+{ config, pkgs, ... }:
 
-###### interface
+with pkgs.lib;
-let
-  inherit (pkgs.lib) mkOption mkIf;
-
-  options = {
-    services = {
-      lshd = {
-
-        enable = mkOption {
-          default = false;
-          description = ''
-            Whether to enable the GNU lshd SSH2 daemon, which allows
-            secure remote login.
-          '';
-        };
-
-        portNumber = mkOption {
-          default = 22;
-          description = ''
-            The port on which to listen for connections.
-          '';
-        };
-
-        interfaces = mkOption {
-          default = [];
-          description = ''
-            List of network interfaces where listening for connections.
-            When providing the empty list, `[]', lshd listens on all
-            network interfaces.
-          '';
-          example = [ "localhost" "1.2.3.4:443" ];
-        };
-
-        hostKey = mkOption {
-          default = "/etc/lsh/host-key";
-          description = ''
-            Path to the server's private key.  Note that this key must
-            have been created, e.g., using "lsh-keygen --server |
-            lsh-writekey --server", so that you can run lshd.
-          '';
-        };
-
-        syslog = mkOption {
-          default = true;
-          description = ''Whether to enable syslog output.'';
-        };
-
-        passwordAuthentication = mkOption {
-          default = true;
-          description = ''Whether to enable password authentication.'';
-        };
-
-        publicKeyAuthentication = mkOption {
-          default = true;
-          description = ''Whether to enable public key authentication.'';
-        };
-
-        rootLogin = mkOption {
-          default = false;
-          description = ''Whether to enable remote root login.'';
-        };
-
-        loginShell = mkOption {
-          default = null;
-          description = ''
-            If non-null, override the default login shell with the
-            specified value.
-          '';
-          example = "/nix/store/xyz-bash-10.0/bin/bash10";
-        };
-
-        srpKeyExchange = mkOption {
-          default = false;
-          description = ''
-            Whether to enable SRP key exchange and user authentication.
-          '';
-        };
-
-        tcpForwarding = mkOption {
-          default = true;
-          description = ''Whether to enable TCP/IP forwarding.'';
-        };
-
-        x11Forwarding = mkOption {
-          default = true;
-          description = ''Whether to enable X11 forwarding.'';
-        };
-
-        subsystems = mkOption {
-          default = [ ["sftp" "${pkgs.lsh}/sbin/sftp-server"] ];
-          description = ''
-            List of subsystem-path pairs, where the head of the pair
-            denotes the subsystem name, and the tail denotes the path to
-            an executable implementing it.
-          '';
-        };
-      };
-    };
-  };
-in
-
-###### implementation
 
 let 
 
   inherit (pkgs) lsh;
-  inherit (pkgs.lib) concatStrings concatStringsSep head tail;
 
-  lshdConfig = config.services.lshd;
+  cfg = config.services.lshd;
 
-  nssModules = config.system.nssModules.list;
-
-  nssModulesPath = config.system.nssModules.path;
 in
 
-mkIf config.services.lshd.enable {
+{
-  require = [
-    options
-  ];
 
-  services = {
+  ###### interface
-    extraJobs = [{
+
-      name = "lshd";
+  options = {
+  
+    services.lshd = {
+
+      enable = mkOption {
+        default = false;
+        description = ''
+          Whether to enable the GNU lshd SSH2 daemon, which allows
+          secure remote login.
+        '';
+      };
+
+      portNumber = mkOption {
+        default = 22;
+        description = ''
+          The port on which to listen for connections.
+        '';
+      };
+
+      interfaces = mkOption {
+        default = [];
+        description = ''
+          List of network interfaces where listening for connections.
+          When providing the empty list, `[]', lshd listens on all
+          network interfaces.
+        '';
+        example = [ "localhost" "1.2.3.4:443" ];
+      };
+
+      hostKey = mkOption {
+        default = "/etc/lsh/host-key";
+        description = ''
+          Path to the server's private key.  Note that this key must
+          have been created, e.g., using "lsh-keygen --server |
+          lsh-writekey --server", so that you can run lshd.
+        '';
+      };
+
+      syslog = mkOption {
+        default = true;
+        description = ''Whether to enable syslog output.'';
+      };
+
+      passwordAuthentication = mkOption {
+        default = true;
+        description = ''Whether to enable password authentication.'';
+      };
+
+      publicKeyAuthentication = mkOption {
+        default = true;
+        description = ''Whether to enable public key authentication.'';
+      };
+
+      rootLogin = mkOption {
+        default = false;
+        description = ''Whether to enable remote root login.'';
+      };
+
+      loginShell = mkOption {
+        default = null;
+        description = ''
+          If non-null, override the default login shell with the
+          specified value.
+        '';
+        example = "/nix/store/xyz-bash-10.0/bin/bash10";
+      };
+
+      srpKeyExchange = mkOption {
+        default = false;
+        description = ''
+          Whether to enable SRP key exchange and user authentication.
+        '';
+      };
+
+      tcpForwarding = mkOption {
+        default = true;
+        description = ''Whether to enable TCP/IP forwarding.'';
+      };
+
+      x11Forwarding = mkOption {
+        default = true;
+        description = ''Whether to enable X11 forwarding.'';
+      };
+
+      subsystems = mkOption {
+        default = [ ["sftp" "${pkgs.lsh}/sbin/sftp-server"] ];
+        description = ''
+          List of subsystem-path pairs, where the head of the pair
+          denotes the subsystem name, and the tail denotes the path to
+          an executable implementing it.
+        '';
+      };
       
-      job = with lshdConfig; ''
+    };
-        description "GNU lshd SSH2 daemon"
 
-        start on network-interfaces/started
+  };
-        stop on network-interfaces/stop
 
-        env LD_LIBRARY_PATH=${nssModulesPath}
 
-        start script
+  ###### implementation
+
+  config = mkIf cfg.enable {
+
+    jobAttrs.lshd =
+      { description = "GNU lshd SSH2 daemon";
+
+        startOn = "network-interfaces/started";
+        stopOn = "network-interfaces/stop";
+
+        environment =
+          { LD_LIBRARY_PATH = config.system.nssModules.path; };
+
+        preStart =
+          ''
             test -d /etc/lsh || mkdir -m 0755 -p /etc/lsh
             test -d /var/spool/lsh || mkdir -m 0755 -p /var/spool/lsh
 
@@ -144,35 +138,37 @@ mkIf config.services.lshd.enable {
                 ${lsh}/bin/lsh-make-seed -o /var/spool/lsh/yarrow-seed-file
             fi
 
-            if ! test -f "${hostKey}"
+            if ! test -f "${cfg.hostKey}"
             then
                 ${lsh}/bin/lsh-keygen --server | \
-                ${lsh}/bin/lsh-writekey --server -o "${hostKey}"
+                ${lsh}/bin/lsh-writekey --server -o "${cfg.hostKey}"
             fi
-        end script
+          '';
 
-        respawn ${lsh}/sbin/lshd --daemonic \
+        exec = with cfg;
-           --password-helper="${lsh}/sbin/lsh-pam-checkpw" \
+          ''
-           -p ${toString portNumber} \
+            ${lsh}/sbin/lshd --daemonic \
-           ${if interfaces == [] then ""
+              --password-helper="${lsh}/sbin/lsh-pam-checkpw" \
-             else (concatStrings (map (i: "--interface=\"${i}\"")
+              -p ${toString portNumber} \
-                                      interfaces))} \
+              ${if interfaces == [] then ""
-           -h "${hostKey}" \
+                else (concatStrings (map (i: "--interface=\"${i}\"")
-           ${if !syslog then "--no-syslog" else ""} \
+                                         interfaces))} \
-           ${if passwordAuthentication then "--password" else "--no-password" } \
+              -h "${hostKey}" \
-           ${if publicKeyAuthentication then "--publickey" else "--no-publickey" } \
+              ${if !syslog then "--no-syslog" else ""} \
-           ${if rootLogin then "--root-login" else "--no-root-login" } \
+              ${if passwordAuthentication then "--password" else "--no-password" } \
-           ${if loginShell != null then "--login-shell=\"${loginShell}\"" else "" } \
+              ${if publicKeyAuthentication then "--publickey" else "--no-publickey" } \
-           ${if srpKeyExchange then "--srp-keyexchange" else "--no-srp-keyexchange" } \
+              ${if rootLogin then "--root-login" else "--no-root-login" } \
-           ${if !tcpForwarding then "--no-tcpip-forward" else "--tcpip-forward"} \
+              ${if loginShell != null then "--login-shell=\"${loginShell}\"" else "" } \
-           ${if x11Forwarding then "--x11-forward" else "--no-x11-forward" } \
+              ${if srpKeyExchange then "--srp-keyexchange" else "--no-srp-keyexchange" } \
-           --subsystems=${concatStringsSep ","
+              ${if !tcpForwarding then "--no-tcpip-forward" else "--tcpip-forward"} \
-                                           (map (pair: (head pair) + "=" +
+              ${if x11Forwarding then "--x11-forward" else "--no-x11-forward" } \
-                                                       (head (tail pair)))
+              --subsystems=${concatStringsSep ","
-                                                subsystems)}
+                                              (map (pair: (head pair) + "=" +
-    '';
+                                                          (head (tail pair)))
+                                                   subsystems)}
+          '';
+      };
+         
+  };
   
-}
-    ];
-  };
 }

modules/services/networking/vsftpd.nix

@@ -1,92 +1,11 @@
-{pkgs, config, ...}:
+{ config, pkgs, ... }:
 
-###### interface
+with pkgs.lib;
-let
-  inherit (pkgs.lib) mkOption mkIf;
-
-  options = {
-    services = {
-      vsftpd = {
-        enable = mkOption {
-          default = false;
-          description = "
-            Whether to enable the vsftpd FTP server.
-          ";
-        };
-        
-        anonymousUser = mkOption {
-          default = false;
-          description = "
-            Whether to enable the anonymous FTP user.
-          ";
-        };
- 
-        anonymousUserHome = mkOption {
-          default = "/home/ftp";
-          description = "
-            Path to anonymous user data.
-          ";
-        };
- 
-        localUsers = mkOption {
-          default = false;
-          description = "
-            Whether to enable FTP for the local users.
-          ";
-        };
-
-        writeEnable = mkOption {
-          default = false;
-          description = "
-            Whether any write activity is permitted to users.
-          ";
-        };
-
-        anonymousUploadEnable = mkOption {
-          default = false;
-          description = "
-            Whether any uploads are permitted to anonymous users.
-          ";
-        };
-
-        anonymousMkdirEnable = mkOption {
-          default = false;
-          description = "
-            Whether mkdir is permitted to anonymous users.
-          ";
-        };
-
-        chrootlocalUser = mkOption {
-          default = false;
-          description = "
-            Whether u can like out of ur home dir.
-          ";
-        };
-  
-        userlistEnable  = mkOption {
-          default = false;
-          description = "
-            Whether users are included.
-          ";
-        };
-  
-        userlistDeny  = mkOption {
-          default = false;
-          description = "
-            Whether users are excluded.
-          ";
-        };
-      };
-    };
-  };
-in
-
-###### implementation
 
 let 
 
-  inherit (config.services.vsftpd) anonymousUser anonymousUserHome localUsers writeEnable anonymousUploadEnable anonymousMkdirEnable
+  cfg = config.services.vsftpd;
-    chrootlocalUser userlistEnable userlistDeny;
+  
   inherit (pkgs) vsftpd;
 
   yesNoOption = p : name :
@@ -94,67 +13,123 @@ let
 
 in
 
-mkIf config.services.vsftpd.enable {
+{
-  require = [
-    options
-  ];
 
-  users = {
+  ###### interface
-    extraUsers = [
+
-        { name = "vsftpd";
+  options = {
+  
+    services.vsftpd = {
+    
+      enable = mkOption {
+        default = false;
+        description = "Whether to enable the vsftpd FTP server.";
+      };
+
+      anonymousUser = mkOption {
+        default = false;
+        description = "Whether to enable the anonymous FTP user.";
+      };
+
+      anonymousUserHome = mkOption {
+        default = "/home/ftp";
+        description = "Path to anonymous user data.";
+      };
+
+      localUsers = mkOption {
+        default = false;
+        description = "Whether to enable FTP for local users.";
+      };
+
+      writeEnable = mkOption {
+        default = false;
+        description = "Whether any write activity is permitted to users.";
+      };
+
+      anonymousUploadEnable = mkOption {
+        default = false;
+        description = "Whether any uploads are permitted to anonymous users.";
+      };
+
+      anonymousMkdirEnable = mkOption {
+        default = false;
+        description = "Whether mkdir is permitted to anonymous users.";
+      };
+
+      chrootlocalUser = mkOption {
+        default = false;
+        description = "Whether local users are confined to their home directory.";
+      };
+
+      userlistEnable = mkOption {
+        default = false;
+        description = "Whether users are included.";
+      };
+
+      userlistDeny = mkOption {
+        default = false;
+        description = "Whether users are excluded.";
+      };
+
+    };
+    
+  };
+  
+
+  ###### implementation
+
+  config = mkIf cfg.enable {
+
+    users.extraUsers =
+      [ { name = "vsftpd";
           uid = config.ids.uids.vsftpd;
           description = "VSFTPD user";
           home = "/homeless-shelter";
         }
-      ] ++ pkgs.lib.optional anonymousUser
+      ] ++ pkgs.lib.optional cfg.anonymousUser
         { name = "ftp";
           uid = config.ids.uids.ftp;
           group = "ftp";
-          description = "Anonymous ftp user";
+          description = "Anonymous FTP user";
-          home = anonymousUserHome;
+          home = cfg.anonymousUserHome;
         };
 
-    extraGroups = [
+    users.extraGroups = singleton
       { name = "ftp";
         gid = config.ids.gids.ftp;
-      }
+      };
-    ];
+
-      
+    jobAttrs.vsftpd =
-  };
+      { description = "vsftpd server";
-
+
-  services = {
+        startOn = "network-interfaces/started";
-    extraJobs = [{
+        stopOn = "network-interfaces/stop";
-      name = "vsftpd";
+
-
+        preStart =
-      job = ''
+          ''
-        description "vsftpd server"
+            # !!! Why isn't this generated in the normal way?
-
+            cat > /etc/vsftpd.conf <<EOF
-        start on network-interfaces/started
+            ${yesNoOption cfg.anonymousUser "anonymous_enable"}
-        stop on network-interfaces/stop
+            ${yesNoOption cfg.localUsers "local_enable"}
-
+            ${yesNoOption cfg.writeEnable "write_enable"}
-        start script
+            ${yesNoOption cfg.anonymousUploadEnable "anon_upload_enable"}
-        cat > /etc/vsftpd.conf <<EOF
+            ${yesNoOption cfg.anonymousMkdirEnable "anon_mkdir_write_enable"}
-        ${yesNoOption anonymousUser "anonymous_enable"}
+            ${yesNoOption cfg.chrootlocalUser "chroot_local_user"}
-        ${yesNoOption localUsers "local_enable"}
+            ${yesNoOption cfg.userlistEnable "userlist_enable"}
-        ${yesNoOption writeEnable "write_enable"}
+            ${yesNoOption cfg.userlistDeny "userlist_deny"}
-        ${yesNoOption anonymousUploadEnable "anon_upload_enable"}
+            background=NO
-        ${yesNoOption anonymousMkdirEnable "anon_mkdir_write_enable"}
+            listen=YES
-        ${yesNoOption chrootlocalUser "chroot_local_user"}
+            nopriv_user=vsftpd
-        ${yesNoOption userlistEnable "userlist_enable"}
+            secure_chroot_dir=/var/ftp/empty
-        ${yesNoOption userlistDeny "userlist_deny"}
+            EOF
-        background=NO
+
-        listen=YES
+            mkdir -p ${cfg.anonymousUserHome}
-        nopriv_user=vsftpd
+            chown -R ftp:ftp ${cfg.anonymousUserHome}
-        secure_chroot_dir=/var/ftp/empty
+          '';
-        EOF
+
-
+        exec = "${vsftpd}/sbin/vsftpd /etc/vsftpd.conf";
-        mkdir -p ${anonymousUserHome} &&
+      };
-        chown -R ftp:ftp ${anonymousUserHome}
+
-        end script
-
-        respawn ${vsftpd}/sbin/vsftpd /etc/vsftpd.conf
-      '';
-      
-    }];
   };
+  
 }

modules/services/printing/cupsd.nix

@@ -1,41 +1,13 @@
-{pkgs, config, ...}:
+{ config, pkgs, ... }:
 
-###### interface
+with pkgs.lib;
-let
-  inherit (pkgs.lib) mkOption mkIf;
-
-  options = {
-    services = {
-      printing = {
-
-        enable = mkOption {
-          default = false;
-          description = "
-            Whether to enable printing support through the CUPS daemon.
-          ";
-        };
-
-        bindirCmds = mkOption {
-          default = "";
-          description = "
-            add commands adding additional symlinks to the bindir such as bjnp
-          ";
-        };
-
-      };
-    };
-  };
-in
-
-###### implementation
 
 let
 
-  logDir = "/var/log/cups";
-
-
   inherit (pkgs) cups;
 
+  logDir = "/var/log/cups";
+
   modprobe = config.system.sbin.modprobe;
 
   cfg = config.services.printing;
@@ -45,135 +17,163 @@ let
   # we can't update ${cups}/lib/cups itself, we create a symlink tree
   # here and add the additional programs.  The ServerBin directive in
   # cupsd.conf tells cupsd to use this tree.
-  bindir = pkgs.runCommand "cups-progs" {} ''
+  bindir = pkgs.runCommand "cups-progs" {}
-    ensureDir $out/lib/cups
+    ''
-    ln -s ${cups}/lib/cups/* $out/lib/cups/
+      ensureDir $out/lib/cups
+      ln -s ${cups}/lib/cups/* $out/lib/cups/
 
-    # Provide support for printing via SMB.    
+      # Provide support for printing via SMB.    
-    rm $out/lib/cups/backend
+      rm $out/lib/cups/backend
-    ensureDir $out/lib/cups/backend
+      ensureDir $out/lib/cups/backend
-    ln -s ${cups}/lib/cups/backend/* $out/lib/cups/backend/
+      ln -s ${cups}/lib/cups/backend/* $out/lib/cups/backend/
-    ln -s ${pkgs.samba}/bin/smbspool $out/lib/cups/backend/smb
+      ln -s ${pkgs.samba}/bin/smbspool $out/lib/cups/backend/smb
 
-    # Provide support for printing via HTTPS.
+      # Provide support for printing via HTTPS.
-    ln -s ipp $out/lib/cups/backend/https
+      ln -s ipp $out/lib/cups/backend/https
 
-    # Provide Ghostscript rasterisation, necessary for non-Postscript
+      # Provide Ghostscript rasterisation, necessary for non-Postscript
-    # printers.
+      # printers.
-    rm $out/lib/cups/filter
+      rm $out/lib/cups/filter
-    ensureDir $out/lib/cups/filter
+      ensureDir $out/lib/cups/filter
-    ln -s ${cups}/lib/cups/filter/* $out/lib/cups/filter/
+      ln -s ${cups}/lib/cups/filter/* $out/lib/cups/filter/
-    ln -s ${pkgs.ghostscript}/lib/cups/filter/* $out/lib/cups/filter/
+      ln -s ${pkgs.ghostscript}/lib/cups/filter/* $out/lib/cups/filter/
-    ${cfg.bindirCmds}
+      ${cfg.bindirCmds}
-  ''; # */
+    ''; # */
   
 
-  cupsdConfig = pkgs.writeText "cupsd.conf" ''
+  cupsdConfig = pkgs.writeText "cupsd.conf"
-    LogLevel debug
+    ''
+      LogLevel debug
 
-    SystemGroup root
+      SystemGroup root
 
-    Listen localhost:631
+      Listen localhost:631
-    Listen /var/run/cups/cups.sock
+      Listen /var/run/cups/cups.sock
 
-    # Note: we can't use ${cups}/etc/cups as the ServerRoot, since
+      # Note: we can't use ${cups}/etc/cups as the ServerRoot, since
-    # CUPS will write in the ServerRoot when e.g. adding new printers
+      # CUPS will write in the ServerRoot when e.g. adding new printers
-    # through the web interface.
+      # through the web interface.
-    ServerRoot /etc/cups
+      ServerRoot /etc/cups
 
-    ServerBin ${bindir}/lib/cups
+      ServerBin ${bindir}/lib/cups
 
-    AccessLog ${logDir}/access_log
+      AccessLog ${logDir}/access_log
-    ErrorLog ${logDir}/access_log
+      ErrorLog ${logDir}/access_log
-    PageLog ${logDir}/page_log
+      PageLog ${logDir}/page_log
 
-    TempDir /tmp
+      TempDir /tmp
 
-    Browsing On
+      Browsing On
-    BrowseOrder allow,deny
+      BrowseOrder allow,deny
-    BrowseAllow @LOCAL
+      BrowseAllow @LOCAL
 
-    DefaultAuthType Basic
+      DefaultAuthType Basic
 
-    <Location />
+      <Location />
-      Order allow,deny
+        Order allow,deny
-      Allow localhost
+        Allow localhost
-    </Location>
+      </Location>
-    
-    <Location /admin>
-      Order allow,deny
-      Allow localhost
-    </Location>
-    
-    <Location /admin/conf>
-      AuthType Basic
-      Require user @SYSTEM
-      Order allow,deny
-      Allow localhost
-    </Location>
 
-    <Policy default>
+      <Location /admin>
-      <Limit Send-Document Send-URI Hold-Job Release-Job Restart-Job Purge-Jobs Set-Job-Attributes Create-Job-Subscription Renew-Subscription Cancel-Subscription Get-Notifications Reprocess-Job Cancel-Current-Job Suspend-Current-Job Resume-Job CUPS-Move-Job>
+        Order allow,deny
-        Require user @OWNER @SYSTEM
+        Allow localhost
-        Order deny,allow
+      </Location>
-      </Limit>
 
-      <Limit Pause-Printer Resume-Printer Set-Printer-Attributes Enable-Printer Disable-Printer Pause-Printer-After-Current-Job Hold-New-Jobs Release-Held-New-Jobs Deactivate-Printer Activate-Printer Restart-Printer Shutdown-Printer Startup-Printer Promote-Job Schedule-Job-After CUPS-Add-Printer CUPS-Delete-Printer CUPS-Add-Class CUPS-Delete-Class CUPS-Accept-Jobs CUPS-Reject-Jobs CUPS-Set-Default>
+      <Location /admin/conf>
         AuthType Basic
         Require user @SYSTEM
-        Order deny,allow
+        Order allow,deny
-      </Limit>
+        Allow localhost
+      </Location>
 
-      <Limit Cancel-Job CUPS-Authenticate-Job>
+      <Policy default>
-        Require user @OWNER @SYSTEM
+        <Limit Send-Document Send-URI Hold-Job Release-Job Restart-Job Purge-Jobs Set-Job-Attributes Create-Job-Subscription Renew-Subscription Cancel-Subscription Get-Notifications Reprocess-Job Cancel-Current-Job Suspend-Current-Job Resume-Job CUPS-Move-Job>
-        Order deny,allow
+          Require user @OWNER @SYSTEM
-      </Limit>
+          Order deny,allow
+        </Limit>
 
-      <Limit All>
+        <Limit Pause-Printer Resume-Printer Set-Printer-Attributes Enable-Printer Disable-Printer Pause-Printer-After-Current-Job Hold-New-Jobs Release-Held-New-Jobs Deactivate-Printer Activate-Printer Restart-Printer Shutdown-Printer Startup-Printer Promote-Job Schedule-Job-After CUPS-Add-Printer CUPS-Delete-Printer CUPS-Add-Class CUPS-Delete-Class CUPS-Accept-Jobs CUPS-Reject-Jobs CUPS-Set-Default>
-        Order deny,allow
+          AuthType Basic
-      </Limit>
+          Require user @SYSTEM
-    </Policy>
+          Order deny,allow
-  '';
+        </Limit>
+
+        <Limit Cancel-Job CUPS-Authenticate-Job>
+          Require user @OWNER @SYSTEM
+          Order deny,allow
+        </Limit>
+
+        <Limit All>
+          Order deny,allow
+        </Limit>
+      </Policy>
+    '';
 
 in
 
+{
 
-mkIf config.services.printing.enable {
+  ###### interface
-  require = [
-    options
-  ];
 
-  environment.systemPackages = [cups];
+  options = {
+  
+    services.printing = {
 
-  environment.etc =
+      enable = mkOption {
-    [ # CUPS expects the following files in its ServerRoot.
+        default = false;
-      { source = "${cups}/etc/cups/mime.convs";
+        description = ''
-        target = "cups/mime.convs";
+          Whether to enable printing support through the CUPS daemon.
-      }
+        '';
-      { source = "${cups}/etc/cups/mime.types";
+      };
-        target = "cups/mime.types";
-      }
-    ];
 
-  services.extraJobs = pkgs.lib.singleton
+      bindirCmds = mkOption {
-    { name = "cupsd";
+        default = "";
+        description = ''
+          Additional commands executed while creating the directory
+          containing the CUPS server binaries.
+        '';
+      };
 
-      job = ''
+    };
-        description "CUPS printing daemon"
 
-        start on network-interfaces/started
+  };
-        stop on network-interfaces/stop
 
-        start script
+    
+  ###### implementation
+
+  config = mkIf config.services.printing.enable {
+
+    environment.systemPackages = [cups];
+
+    environment.etc =
+      [ # CUPS expects the following files in its ServerRoot.
+        { source = "${cups}/etc/cups/mime.convs";
+          target = "cups/mime.convs";
+        }
+        { source = "${cups}/etc/cups/mime.types";
+          target = "cups/mime.types";
+        }
+      ];
+
+    jobAttrs.cupsd =
+      { description = "CUPS printing daemon";
+
+        startOn = "network-interfaces/started";
+        stopOn = "network-interfaces/stop";
+
+        preStart =
+          ''
             mkdir -m 0755 -p ${logDir}
             mkdir -m 0700 -p /var/cache/cups
             mkdir -m 0700 -p /var/spool/cups
 
             # Make USB printers show up.
             ${modprobe}/sbin/modprobe usblp || true
-        end script
+          '';
 
-        respawn ${cups}/sbin/cupsd -c ${cupsdConfig} -F
+        exec = "${cups}/sbin/cupsd -c ${cupsdConfig} -F";
-      '';
+      };
-    };
+
+  };
+  
 }

modules/services/scheduling/cron.nix

@@ -1,92 +1,82 @@
-{pkgs, config, ...}:
+{ config, pkgs, ... }:
+
+with pkgs.lib;
 
-###### interface
 let
-  inherit (pkgs.lib) mkOption;
 
-  options = {
-    services = {
-      cron = {
-
-        mailto = mkOption {
-          default = "";
-          description = " The job output will be mailed to this email address. ";
-        };
-
-        systemCronJobs = mkOption {
-          default = [];
-          example = [
-            "* * * * *  test   ls -l / > /tmp/cronout 2>&1"
-            "* * * * *  eelco  echo Hello World > /home/eelco/cronout"
-          ];
-          description = ''
-            A list of Cron jobs to be appended to the system-wide
-            crontab.  See the manual page for crontab for the expected
-            format. If you want to get the results mailed you must setuid
-            sendmail. See <option>security.setuidOwners</option>
-
-            If neither /var/cron/cron.deny nor /var/cron/cron.allow exist only root
-            will is allowed to have its own crontab file. The /var/cron/cron.deny file
-            is created automatically for you. So every user can use a crontab.
-          '';
-        };
-
-      };
-    };
-  };
-in
-
-###### implementation
-let
   inherit (config.services) jobsTags;
 
   # Put all the system cronjobs together.
-  systemCronJobs =
+  systemCronJobsFile = pkgs.writeText "system-crontab"
-    config.services.cron.systemCronJobs;
+    ''
-
+      SHELL=${pkgs.bash}/bin/sh
-  systemCronJobsFile = pkgs.writeText "system-crontab" ''
+      PATH=${pkgs.coreutils}/bin:${pkgs.findutils}/bin:${pkgs.gnused}/bin:${pkgs.su}/bin
-    SHELL=${pkgs.bash}/bin/sh
+      MAILTO="${config.services.cron.mailto}"
-    PATH=${pkgs.coreutils}/bin:${pkgs.findutils}/bin:${pkgs.gnused}/bin:${pkgs.su}/bin
+      ${pkgs.lib.concatStrings (map (job: job + "\n") config.services.cron.systemCronJobs)}
-    MAILTO="${config.services.cron.mailto}"
+    '';
-    ${pkgs.lib.concatStrings (map (job: job + "\n") systemCronJobs)}
+  
-  '';
 in
 
 {
-  require = [
-    # ../upstart-jobs/default.nix # config.services.extraJobs
-    # ? # config.time.timeZone
-    # ? # config.environment.etc
-    # ? # config.environment.extraPackages
-    options
-  ];
 
-  environment = {
+  ###### interface
-    etc = [
+
+  options = {
+  
+    services.cron = {
+
+      mailto = mkOption {
+        default = "";
+        description = " The job output will be mailed to this email address. ";
+      };
+
+      systemCronJobs = mkOption {
+        default = [];
+        example = [
+          "* * * * *  test   ls -l / > /tmp/cronout 2>&1"
+          "* * * * *  eelco  echo Hello World > /home/eelco/cronout"
+        ];
+        description = ''
+          A list of Cron jobs to be appended to the system-wide
+          crontab.  See the manual page for crontab for the expected
+          format. If you want to get the results mailed you must setuid
+          sendmail. See <option>security.setuidOwners</option>
+
+          If neither /var/cron/cron.deny nor /var/cron/cron.allow exist only root
+          will is allowed to have its own crontab file. The /var/cron/cron.deny file
+          is created automatically for you. So every user can use a crontab.
+        '';
+      };
+
+    };
+    
+  };
+
+
+  ###### implementation
+
+  config = {  
+
+    environment.etc = singleton
       # The system-wide crontab.
       { source = systemCronJobsFile;
         target = "crontab";
         mode = "0600"; # Cron requires this.
-      }
+      };
-    ];
 
-    systemPackages = [pkgs.cron];
+    environment.systemPackages = [pkgs.cron];
-  };
 
-  services = {
+    jobAttrs.cron =
-    extraJobs = [{
+      { description = "Cron daemon";
-      name = "cron";
-
-      job = ''
-        description "Cron daemon"
-
-        start on startup
-        stop on shutdown
 
+        startOn = "startup";
+        stopOn = "shutdown";
+ 
         # Needed to interpret times in the local timezone.
-        env TZ=${config.time.timeZone}
+        environment = { TZ = config.time.timeZone; };
 
-        start script
+        preStart =
+          ''
             mkdir -m 710 -p /var/cron
 
             # By default, allow all users to create a crontab.  This
@@ -94,10 +84,11 @@ in
             if ! test -e /var/cron/cron.allow -o -e /var/cron/cron.deny; then
                 touch /var/cron/cron.deny
             fi
-        end script
+          '';
+
+        exec = "${pkgs.cron}/sbin/cron -n";
+      };
 
-        respawn ${pkgs.cron}/sbin/cron -n
-      '';
-    }];
   };
+  
 }

modules/services/scheduling/fcron.nix

@@ -1,135 +1,122 @@
-{pkgs, config, ...}:
+{ config, pkgs, ... }:
+
+with pkgs.lib;
 
-###### interface
 let
-  inherit (pkgs.lib) mkOption concatStringsSep;
-  inherit (pkgs) writeText;
 
-  options = {
-    services = {
-      fcron = {
-        enable = mkOption {
-          default = false;
-          description = ''Whether to enable the `fcron' daemon.
-            From its docs: "fcron does both the job of Vixie Cron and anacron, but does even more and better".
-            It can trigger actions even if the event has passed due to shutdown for example.
-            TODO: add supoprt for fcron.allow and fcron.deny
-            Of course on cron daemon is enough.. So if fcron works fine there should be a system option systemCron="fcron or cron"
-
-            There are (or have been) some security issues.
-            I haven't yet checked wether they have been resolved.
-            For now you should trust the users registering crontab files.
-            I think gentoo has them listed.
-          '';
-        };
-        allow = mkOption {
-          default = [];
-          description = ''
-            Users allowed to use fcrontab and fcrondyn (one name per line, special name "all" acts for everyone)
-            nix adds username "root" for you.
-          '';
-        };
-        deny = mkOption {
-          default = [];
-          description = " same as allow but deny ";
-        };
-        maxSerialJobs = mkOption {
-          default = 1;
-          description = "maximum number of serial jobs which can run simultaneously (-m)";
-        };
-        queuelen = mkOption {
-          default = "";
-          description = "number of jobs the serial queue and the lavg queue can contain - empty to net set this number (-q)";
-        };
-        systab = mkOption {
-          default = "";
-          description = ''
-            The "system" crontab contents..
-          '';
-        };
-      };
-    };
-  };
-in
-
-###### implementation
-let
   # Put all the system cronjobs together.
   # TODO allow using fcron only..
   #systemCronJobs =
   #  config.services.cron.systemCronJobs;
   cfg = config.services.fcron;
-  ifEnabled = if cfg.enable then pkgs.lib.id else (x : []);
+  
   queuelen = if cfg.queuelen == "" then "" else "-q ${toString cfg.queuelen}";
 
   # shell is set to /sh in config..
   # ${pkgs.lib.concatStrings (map (job: job + "\n") systemCronJobs)}
-  systemCronJobsFile = pkgs.writeText "fcron-systab" ''
+  systemCronJobsFile = pkgs.writeText "fcron-systab"
-    SHELL=${pkgs.bash}/bin/sh
+    ''
-    PATH=${pkgs.coreutils}/bin:${pkgs.findutils}/bin:${pkgs.gnused}/bin
+      SHELL=${pkgs.bash}/bin/sh
-  '';
+      PATH=${pkgs.coreutils}/bin:${pkgs.findutils}/bin:${pkgs.gnused}/bin
+    '';
 
-  allowdeny = target: users : {
+  allowdeny = target: users:
-    source = writeText "fcron.${target}" (concatStringsSep "\n" users);
+    { source = pkgs.writeText "fcron.${target}" (concatStringsSep "\n" users);
-    target = "fcron.${target}";
+      target = "fcron.${target}";
-    mode = "600"; # fcron has some security issues.. So I guess this is most safe
+      mode = "600"; # fcron has some security issues.. So I guess this is most safe
-  };
+    };
 
 in
 
 {
-  require = [
-    # ../upstart-jobs/default.nix # config.services.extraJobs
-    # ? # config.time.timeZone
-    # ? # config.environment.etc
-    # ? # config.environment.extraPackages
-    # ? # config.environment.cleanStart
-    options
-  ];
 
-  environment = {
+  ###### interface
-    etc = ifEnabled [
+  
-      (allowdeny "allow" (["root"] ++ cfg.allow))
+  options = {
-      (allowdeny "deny" cfg.deny)
+  
-      # see man 5 fcron.conf
+    services.fcron = {
-      { source = writeText "fcon.conf" ''
+    
-          fcrontabs	=	/var/spool/fcron
+      enable = mkOption {
-          pidfile	=	/var/run/fcron.pid
+        default = false;
-          fifofile	=	/var/run/fcron.fifo
+        description = "Whether to enable the `fcron' daemon.";
-          fcronallow	=	/etc/fcron.allow
+      };
-          fcrondeny	=	/etc/fcron.deny
+      
-          shell		=	/bin/sh
+      allow = mkOption {
-          sendmail	=	/var/setuid-wrappers/sendmail
+        default = [];
-          editor	=	/var/run/current-system/sw/bin/vi
+        description = ''
-       '';
+          Users allowed to use fcrontab and fcrondyn (one name per line, "all" for everyone).
-        target = "fcron.conf";
+        '';
-        mode = "0600"; # max allowed is 644
+      };
-      }
+      
-    ];
+      deny = mkOption {
+        default = [];
+        description = "Users forbidden from using fcron.";
+      };
+      
+      maxSerialJobs = mkOption {
+        default = 1;
+        description = "Maximum number of serial jobs which can run simultaneously.";
+      };
+      
+      queuelen = mkOption {
+        default = "";
+        description = "Number of jobs the serial queue and the lavg queue can contain - empty to net set this number (-q)";
+      };
+      
+      systab = mkOption {
+        default = "";
+        description = ''The "system" crontab contents.'';
+      };
+    };
 
-    systemPackages = ifEnabled [pkgs.fcron];
   };
 
-  services = {
-    extraJobs = ifEnabled [{
-      name = "fcron";
 
-      job = ''
+  ###### implementation
-        description "fcron daemon"
 
-        start on startup
+  config = mkIf cfg.enable {
-        stop on shutdown
 
-        env PATH=/var/run/current-system/sw/bin
+    environment.etc =
+      [ (allowdeny "allow" (["root"] ++ cfg.allow))
+        (allowdeny "deny" cfg.deny)
+        # see man 5 fcron.conf
+        { source = pkgs.writeText "fcon.conf" ''
+            fcrontabs	=	/var/spool/fcron
+            pidfile	=	/var/run/fcron.pid
+            fifofile	=	/var/run/fcron.fifo
+            fcronallow	=	/etc/fcron.allow
+            fcrondeny	=	/etc/fcron.deny
+            shell	=	/bin/sh
+            sendmail	=	/var/setuid-wrappers/sendmail
+            editor	=	/var/run/current-system/sw/bin/vi
+          '';
+          target = "fcron.conf";
+          mode = "0600"; # max allowed is 644
+        }
+      ];
 
-        start script
+    environment.systemPackages = [ pkgs.fcron ];
+
+    jobAttrs.fcron =
+      { description = "fcron daemon";
+
+        startOn = "startup";
+        stopOn = "shutdown";
+
+        environment =
+          { PATH = "/var/run/current-system/sw/bin";
+          };
+
+        preStart =
+          ''
             ${pkgs.coreutils}/bin/mkdir -m 0700 -p /var/spool/fcron
             # load system crontab file
-            ${pkgs.fcron}/bin/fcrontab -u systab ${writeText "systab" cfg.systab}
+            ${pkgs.fcron}/bin/fcrontab -u systab ${pkgs.writeText "systab" cfg.systab}
-        end script
+          '';
+
+        exec = "${pkgs.fcron}/sbin/fcron -f -m ${toString cfg.maxSerialJobs} ${queuelen}";
+      };
 
-        respawn ${pkgs.fcron}/sbin/fcron -f -m ${toString cfg.maxSerialJobs} ${queuelen}
-      '';
-    }];
   };
+
 }

modules/services/ttys/gpm.nix

@@ -1,58 +1,52 @@
-{pkgs, config, ...}:
+{ config, pkgs, ... }:
+
+with pkgs.lib;
 
-###### interface
 let
-  inherit (pkgs.lib) mkOption;
+
+  cfg = config.services.gpm;
+
+in
+  
+{
+
+  ###### interface
 
   options = {
-    services = {
+  
-      gpm = {
+    services.gpm = {
-        enable = mkOption {
+    
-          default = false;
+      enable = mkOption {
-          description = "
+        default = false;
-            Whether to enable general purpose mouse daemon.
+        description = ''
-          ";
+          Whether to enable GPM, the General Purpose Mouse daemon,
-        };
+          which enables mouse support in virtual consoles.
-        protocol = mkOption {
+        '';
-          default = "ps/2";
-          description = "
-            Mouse protocol to use.
-          ";
-        };
       };
+        
+      protocol = mkOption {
+        default = "ps/2";
+        description = "Mouse protocol to use.";
+      };
+
     };
+    
   };
-in
+  
 
-###### implementation
+  ###### implementation
-let
-  cfg = config.services.gpm;
-  inherit (pkgs.lib) mkIf;
 
-  gpm = pkgs.gpm;
+  config = mkIf cfg.enable {
-  gpmBin = "${gpm}/sbin/gpm";
 
-  job = {
+    jobAttrs.gpm =
-    name = "gpm";
+      { description = "General purpose mouse";
-    job = ''
-      description = "General purpose mouse"
 
-      start on udev
+        startOn = "udev";
-      stop on shutdown
+        stopOn = "shutdown";
+
+        exec = "${pkgs.gpm}/sbin/gpm -m /dev/input/mice -t ${cfg.protocol} -D &>/dev/null";
+      };
 
-      respawn ${gpmBin} -m /dev/input/mice -t ${cfg.protocol} -D &>/dev/null
-    '';
-  };
-in
-
-mkIf cfg.enable {
-  require = [
-    # ../upstart-jobs/default.nix # config.services.extraJobs
-    # /etc/security/console.perms (should be generated ?)
-    options
-  ];
-
-  services = {
-    extraJobs = [job];
   };
+  
 }

modules/services/web-servers/jboss.nix

@@ -1,82 +1,81 @@
-{servicesPath, pkgs, config, ...}:
+{ config, pkgs, servicesPath, ... }:
+
+with pkgs.lib;
 
-###### interface
 let
-  inherit (pkgs.lib) mkOption mkIf;
+
+  cfg = config.services.jboss;
+  
+  jbossService = import (servicesPath + /jboss) {
+    inherit (pkgs) stdenv jboss su;
+    inherit (cfg) tempDir logDir libUrl deployDir serverDir user useJK;
+  };
+
+in
+
+{
+
+  ###### interface
 
   options = {
-    services = {
+  
-      jboss = {
+    services.jboss = {
-        enable = mkOption {
+    
-          default = false;
+      enable = mkOption {
-          description = "Whether to enable jboss";
+        default = false;
-        };
+        description = "Whether to enable jboss";
-
-        tempDir = mkOption {
-          default = "/tmp";
-          description = "Location where JBoss stores its temp files";
-        };
-        
-        logDir = mkOption {
-          default = "/var/log/jboss";
-          description = "Location of the logfile directory of JBoss";
-        };
-        
-        serverDir = mkOption {
-          description = "Location of the server instance files";
-          default = "/var/jboss/server";
-        };
-        
-        deployDir = mkOption {
-          description = "Location of the deployment files";
-          default = "/nix/var/nix/profiles/default/server/default/deploy/";
-        };
-        
-        libUrl = mkOption {
-          default = "file:///nix/var/nix/profiles/default/server/default/lib";
-          description = "Location where the shared library JARs are stored";
-        };
-        
-        user = mkOption {
-          default = "nobody";
-          description = "User account under which jboss runs.";
-        };
-        
-        useJK = mkOption {
-          default = false;
-          description = "Whether to use to connector to the Apache HTTP server";
-        };
       };
+
+      tempDir = mkOption {
+        default = "/tmp";
+        description = "Location where JBoss stores its temp files";
+      };
+
+      logDir = mkOption {
+        default = "/var/log/jboss";
+        description = "Location of the logfile directory of JBoss";
+      };
+
+      serverDir = mkOption {
+        description = "Location of the server instance files";
+        default = "/var/jboss/server";
+      };
+
+      deployDir = mkOption {
+        description = "Location of the deployment files";
+        default = "/nix/var/nix/profiles/default/server/default/deploy/";
+      };
+
+      libUrl = mkOption {
+        default = "file:///nix/var/nix/profiles/default/server/default/lib";
+        description = "Location where the shared library JARs are stored";
+      };
+
+      user = mkOption {
+        default = "nobody";
+        description = "User account under which jboss runs.";
+      };
+
+      useJK = mkOption {
+        default = false;
+        description = "Whether to use to connector to the Apache HTTP server";
+      };
+      
     };
+
   };
-in
 
-###### implementation
-let
 
-cfg = config.services.jboss;
+  ###### implementation
-jbossService = import (servicesPath + /jboss) {
-        inherit (pkgs) stdenv jboss su;
-        inherit (cfg) tempDir logDir libUrl deployDir serverDir user useJK;
-};
 
-in
+  config = mkIf config.services.jboss.enable {
 
-mkIf config.services.jboss.enable {
+    jobAttrs.jboss =
-  require = [
+      { description = "JBoss server";
-    options
-  ];
 
-  services = {
+        exec = "${jbossService}/bin/control start";
-    extraJobs = [{
+      };
-      name = "jboss";
-      job = ''
-          description \"JBoss server\"
 
-          stop on shutdown
-
-          respawn ${jbossService}/bin/control start
-      '';
-    }];
   };
+  
 }

modules/services/web-servers/tomcat.nix

@@ -1,114 +1,114 @@
-{pkgs, config, ...}:
+{ config, pkgs, ... }:
+
+with pkgs.lib;
 
-###### interface
 let
-  inherit (pkgs.lib) mkOption mkIf;
+
+  cfg = config.services.tomcat;
+  
+in
+
+{
+
+  ###### interface
 
   options = {
-    services = {
+  
-      tomcat = {
+    services.tomcat = {
+    
+      enable = mkOption {
+        default = false;
+        description = "Whether to enable Apache Tomcat";
+      };
+
+      baseDir = mkOption {
+        default = "/var/tomcat";
+        description = "Location where Tomcat stores configuration files, webapplications and logfiles";
+      };
+
+      user = mkOption {
+        default = "tomcat";
+        description = "User account under which Apache Tomcat runs.";
+      };      
+
+      group = mkOption {
+        default = "tomcat";
+        description = "Group account under which Apache Tomcat runs.";
+      };      
+
+      javaOpts = mkOption {
+        default = "";
+        description = "Parameters to pass to the Java Virtual Machine which spawns Apache Tomcat";
+      };
+
+      catalinaOpts = mkOption {
+        default = "";
+        description = "Parameters to pass to the Java Virtual Machine which spawns the Catalina servlet container";
+      };
+
+      sharedLibs = mkOption {
+        default = [];
+        description = "List containing JAR files or directories with JAR files which are libraries shared by the web applications";
+      };
+
+      commonLibs = mkOption {
+        default = [];
+        description = "List containing JAR files or directories with JAR files which are libraries shared by the web applications and the servlet container";
+      };
+
+      webapps = mkOption {
+        default = [ pkgs.tomcat6 ];
+        description = "List containing WAR files or directories with WAR files which are web applications to be deployed on Tomcat";
+      };
+
+      virtualHosts = mkOption {
+        default = [];
+        description = "List consisting of a virtual host name and a list of web applications to deploy on each virtual host";
+      };
+
+      axis2 = {
+      
         enable = mkOption {
           default = false;
-          description = "Whether to enable Apache Tomcat";
+          description = "Whether to enable an Apache Axis2 container";
         };
-        
+
-        baseDir = mkOption {
+        services = mkOption {
-          default = "/var/tomcat";
-          description = "Location where Tomcat stores configuration files, webapplications and logfiles";
-        };
-        
-        user = mkOption {
-          default = "tomcat";
-          description = "User account under which Apache Tomcat runs.";
-        };      
-        
-	group = mkOption {
-          default = "tomcat";
-          description = "Group account under which Apache Tomcat runs.";
-        };      
-        
-        javaOpts = mkOption {
-          default = "";
-          description = "Parameters to pass to the Java Virtual Machine which spawns Apache Tomcat";
-        };
-        
-        catalinaOpts = mkOption {
-          default = "";
-          description = "Parameters to pass to the Java Virtual Machine which spawns the Catalina servlet container";
-        };
-        
-        sharedLibs = mkOption {
           default = [];
-          description = "List containing JAR files or directories with JAR files which are libraries shared by the web applications";
+          description = "List containing AAR files or directories with AAR files which are web services to be deployed on Axis2";
         };
         
-        commonLibs = mkOption {
-          default = [];
-          description = "List containing JAR files or directories with JAR files which are libraries shared by the web applications and the servlet container";
-        };
-	
-	webapps = mkOption {
-	  default = [ pkgs.tomcat6 ];
-	  description = "List containing WAR files or directories with WAR files which are web applications to be deployed on Tomcat";
-	};
-	
-	virtualHosts = mkOption {
-	  default = [];
-	  description = "List consisting of a virtual host name and a list of web applications to deploy on each virtual host";
-	};
-	
-	axis2 = {
-	  enable = mkOption {
-	    default = false;
-	    description = "Whether to enable an Apache Axis2 container";
-	  };
-	  
-	  services = mkOption {
-	    default = [];
-	    description = "List containing AAR files or directories with AAR files which are web services to be deployed on Axis2";
-	  };
-	};
       };
+      
     };
+
   };
-in
 
-###### implementation
 
-let
+  ###### implementation
-  cfg = config.services.tomcat;
-in
 
-mkIf config.services.tomcat.enable {
+  config = mkIf config.services.tomcat.enable {
-  require = [
-    options
-  ];
 
-  services = {
+    users.extraGroups = singleton
-    extraJobs = [{
+      { name = "tomcat";
-      name = "tomcat";
+        gid = config.ids.gids.tomcat;
+      };
       
-      groups = [
+    users.extraUsers = singleton
-        { name = "tomcat";
+      { name = "tomcat";
-          gid = config.ids.gids.tomcat;
+        uid = config.ids.uids.tomcat;
-        }
+        description = "Tomcat user";
-      ];
+        home = "/homeless-shelter";
+      };
       
-      users = [
+    jobAttrs.tomcat =
-        { name = "tomcat";
+      { description = "Apache Tomcat server";
-          uid = config.ids.uids.tomcat;
-          description = "Tomcat user";
-          home = "/homeless-shelter";
-        }
-      ];
-      
-      job = ''
-        description "Apache Tomcat server"
 
-        start on network-interface/started
+        startOn = "network-interface/started";
-        stop on network-interfaces/stop
+        stopOn = "network-interfaces/stop";
-        
+
-        start script
+        preStart =
+          ''        
 	    # Create the base directory
 	    mkdir -p ${cfg.baseDir}
 	    
@@ -304,15 +304,21 @@ mkIf config.services.tomcat.enable {
 		done    
 		''
 	    else ""}
-        end script
+          ''; # */
-        
+
-        respawn ${pkgs.su}/bin/su -s ${pkgs.bash}/bin/sh ${cfg.user} -c 'CATALINA_BASE=${cfg.baseDir} JAVA_HOME=${pkgs.jdk} JAVA_OPTS="${cfg.javaOpts}" CATALINA_OPTS="${cfg.catalinaOpts}" ${pkgs.tomcat6}/bin/startup.sh; sleep 1000d'
+        exec =
-        
+          ''
-        stop script
+            ${pkgs.su}/bin/su -s ${pkgs.bash}/bin/sh ${cfg.user} -c 'CATALINA_BASE=${cfg.baseDir} JAVA_HOME=${pkgs.jdk} JAVA_OPTS="${cfg.javaOpts}" CATALINA_OPTS="${cfg.catalinaOpts}" ${pkgs.tomcat6}/bin/startup.sh; sleep 1000d'
+          '';
+
+        postStop =
+          ''
             echo "Stopping tomcat..."
             CATALINA_BASE=${cfg.baseDir} JAVA_HOME=${pkgs.jdk} ${pkgs.su}/bin/su -s ${pkgs.bash}/bin/sh ${cfg.user} -c ${pkgs.tomcat6}/bin/shutdown.sh
-        end script
+          '';
-      '';
+
-    }];
+      };
+
   };
+
 }

modules/services/x11/xfs.nix

@@ -1,54 +1,54 @@
-{pkgs, config, ...}:
+{ config, pkgs, ... }:
+
+with pkgs.lib;
 
-###### interface
 let
-  inherit (pkgs.lib) mkOption mkIf;
+
+  configFile = ./xfs.conf;
+  
+  startingDependency =
+    if config.services.gw6c.enable && config.services.gw6c.autorun
+    then "gw6c"
+    else "network-interfaces";
+  
+in
+
+{
+
+  ###### interface
 
   options = {
-    services = {
+  
-      xfs = {
+    services.xfs = {
-
-        enable = mkOption {
-          default = false;
-          description = "
-            Whether to enable the X Font Server.
-          ";
-        };
 
+      enable = mkOption {
+        default = false;
+        description = "Whether to enable the X Font Server.";
       };
+
     };
+
   };
-in
-
-###### implementation
 
 
-let
+  ###### implementation
-  configFile = ./xfs.conf;
-  startingDependency = if config.services.gw6c.enable && config.services.gw6c.autorun then "gw6c" else "network-interfaces";
-in
 
-mkIf config.services.xfs.enable {
+  config = mkIf config.services.xfs.enable {
 
-  assertions = [ { assertion = config.fonts.enableFontDir; message = "Please enable fontDir (fonts.enableFontDir) to use xfs."; } ];
+    assertions = singleton
+      { assertion = config.fonts.enableFontDir;
+        message = "Please enable fontDir (fonts.enableFontDir) to use xfs.";
+      };
 
-  require = [
+    jobAttrs.xfs =
-    options
+      { description = "X Font Server";
-  ];
+      
+        startOn = "${startingDependency}/started";
+        stopOn = "shutdown";
 
-  services = {
+        exec = "${pkgs.xorg.xfs}/bin/xfs -config ${configFile}";
+      };
 
-    extraJobs = [ (rec {
-      name = "xfs";
-      groups = [];
-      users = [];
-      job = ''
-        description "X Font Server"
-        start on ${startingDependency}/started
-        stop on shutdown
-
-        respawn ${pkgs.xorg.xfs}/bin/xfs -config ${configFile}
-      '';
-    })];
   };
+  
 }

modules/system/upstart-events/ctrl-alt-delete.nix

@@ -1,20 +1,18 @@
-{pkgs, config, ...}:
+{ config, pkgs, ... }:
 
 ###### implementation
 
 {
+  jobAttrs.ctrl_alt_delete =
+    { name = "ctrl-alt-delete";
 
-  services = {
+      startOn = "ctrlaltdel";
-    extraJobs = [{
+
-      name = "ctrl-alt-delete";
+      task = true;
-      
+
-      job = ''
+      script =
-        on ctrlaltdel
+        ''
-        
+          shutdown -r now 'Ctrl-Alt-Delete pressed'
-        script
+        '';
-            shutdown -r now 'Ctrl-Alt-Delete pressed'
+    };
-        end script
-       '';
-    }];
-  };
 }

modules/system/upstart-events/halt.nix

@@ -1,19 +1,20 @@
-{pkgs, config, ...}:
+{ config, pkgs, ... }:
+
+with pkgs.lib;
 
 ###### implementation
 
-
 let
 
   inherit (pkgs) bash utillinux;
 
-  jobFun = event : {
+  jobFun = event:
-    name = "sys-" + event;
+    { startOn = event;
-    
+
-    job = ''
+      task = true;
-      start on ${event}
+
-      
+      script =
-      script
+        ''
           set +e # continue in case of errors
       
           exec < /dev/tty1 > /dev/tty1 2>&1
@@ -109,16 +110,12 @@ let
               sleep 1
               exec halt -f -p
           fi
-      
+        '';
-      end script
+    };
-    '';
-  };
 
 in
 
-
 {
-  services = {
+  jobAttrs = listToAttrs (map (n: nameValuePair "sys-${n}" (jobFun n))
-    extraJobs = map jobFun ["reboot" "halt" "system-halt" "power-off"];
+    [ "reboot" "halt" "system-halt" "power-off" ] );
-  };
 }

modules/system/upstart-events/maintenance-shell.nix

@@ -1,24 +1,22 @@
-{pkgs, config, ...}:
+{ config, pkgs, ... }:
 
 ###### implementation
 
 {
-  services = {
+  jobAttrs.maintenance_shell =
-    extraJobs = [{
+    { name = "maintenance-shell";
-      name = "maintenance-shell";
+
-      
+      startOn = [ "maintenance" "stalled" ];
-      job = ''
+
-          start on maintenance
+      task = true;
-          start on stalled
+
-          
+      script =
-          script
+        ''
-              exec < /dev/tty1 > /dev/tty1 2>&1
+          exec < /dev/tty1 > /dev/tty1 2>&1
-              echo \"\"
+          echo \
-              echo \"<<< MAINTENANCE SHELL >>>\"
+          echo "<<< MAINTENANCE SHELL >>>"
-              echo \"\"
+          echo ""
-              exec ${pkgs.bash}/bin/sh
+          exec ${pkgs.bash}/bin/sh
-          end script
+        '';
-      '';
+    };
-  }];
-  };
 }

modules/system/upstart/upstart.nix

@@ -327,7 +327,7 @@ in
         }
       ];
 
-    # see test/test-upstart-job.sh (!!! check whether this still works)
+    # !!! fix this
     tests.upstartJobs = { recurseForDerivations = true; } //
       builtins.listToAttrs (map (job: {
         name = removePrefix "upstart-" job.name;

modules/tasks/filesystems.nix

@@ -1,117 +1,9 @@
-{pkgs, config, ...}:
+{ config, pkgs, ... }:
+
+with pkgs.lib;
 
 let
 
-###### interface
-  inherit (pkgs.lib) mkOption types;
-
-  options = {
-
-    fileSystems = mkOption {
-      example = [
-        { mountPoint = "/";
-          device = "/dev/hda1";
-        }
-        { mountPoint = "/data";
-          device = "/dev/hda2";
-          fsType = "ext3";
-          options = "data=journal";
-        }
-        { mountPoint = "/bigdisk";
-          label = "bigdisk";
-        }
-      ];
-      description = "
-        The file systems to be mounted.  It must include an entry for
-        the root directory (<literal>mountPoint = \"/\"</literal>).  Each
-        entry in the list is an attribute set with the following fields:
-        <literal>mountPoint</literal>, <literal>device</literal>,
-        <literal>fsType</literal> (a file system type recognised by
-        <command>mount</command>; defaults to
-        <literal>\"auto\"</literal>), and <literal>options</literal>
-        (the mount options passed to <command>mount</command> using the
-        <option>-o</option> flag; defaults to <literal>\"defaults\"</literal>).
-
-        Instead of specifying <literal>device</literal>, you can also
-        specify a volume label (<literal>label</literal>) for file
-        systems that support it, such as ext2/ext3 (see <command>mke2fs
-        -L</command>).
-
-        <literal>autocreate</literal> forces <literal>mountPoint</literal> to be created with 
-        <command>mkdir -p</command> .
-      ";
-      type = types.nullOr (types.list types.optionSet);
-
-      options = {
-
-        mountPoint = mkOption {
-          example = "/mnt/usb";
-          type = types.uniq types.string;
-          description = "
-            Location of the mounted the file system.
-          ";
-        };
-
-        device = mkOption {
-          default = null;
-          example = "/dev/sda";
-          type = types.uniq (types.nullOr types.string);
-          description = "
-            Location of the device.
-          ";
-        };
-
-        label = mkOption {
-          default = null;
-          example = "root-partition";
-          type = types.uniq (types.nullOr types.string);
-          description = "
-            Label of the device (if any).
-          ";
-        };
-
-        fsType = mkOption {
-          default = "auto";
-          example = "ext3";
-          type = types.uniq types.string;
-          description = "
-            Type of the file system.
-          ";
-        };
-
-        options = mkOption {
-          default = "defaults,relatime";
-          example = "data=journal";
-          type = types.string;
-          merge = pkgs.lib.concatStringsSep ",";
-          description = "
-            Option used to mount the file system.
-          ";
-        };
-
-        autocreate = mkOption {
-          default = false;
-          type = types.bool;
-          description = "
-            Automatically create the mount point defined in
-            <option>fileSystems.*.mountPoint</option>.
-          ";
-        };
-      };
-    };
-  
-    system.sbin.mount = mkOption {
-      internal = true;
-      default = pkgs.utillinuxng;
-      description = "
-        Package containing mount and umount.
-      ";
-    };
-    
-  };
-
-###### implementation
-
   fileSystems = config.fileSystems;
   mountPoints = map (fs: fs.mountPoint) fileSystems;
   devices = map (fs: if fs.device != null then fs.device else "/dev/disk/by-label/${fs.label}") fileSystems;
@@ -120,12 +12,8 @@ let
   autocreates = map (fs: fs.autocreate) fileSystems;
   mount = config.system.sbin.mount;
 
-  job = ''
+  task =
-    start on startup
+    ''
-    start on new-devices
-    start on ip-up
-
-    script
       PATH=${pkgs.e2fsprogs}/sbin:${pkgs.utillinuxng}/sbin:$PATH
 
       mountPoints=(${toString mountPoints})  
@@ -218,25 +106,141 @@ let
           if ${mount}/bin/mount -t "$fsType" -o "$options" "$device" "$mountPoint"; then
               newDevices=1
           fi
-
+   
         done
 
       done
+    '';
 
-    end script
-  '';
 in
 
 {
-  require = [options];
+
+  ###### interface
+
+  options = {
+
+    fileSystems = mkOption {
+      example = [
+        { mountPoint = "/";
+          device = "/dev/hda1";
+        }
+        { mountPoint = "/data";
+          device = "/dev/hda2";
+          fsType = "ext3";
+          options = "data=journal";
+        }
+        { mountPoint = "/bigdisk";
+          label = "bigdisk";
+        }
+      ];
+      
+      description = "
+        The file systems to be mounted.  It must include an entry for
+        the root directory (<literal>mountPoint = \"/\"</literal>).  Each
+        entry in the list is an attribute set with the following fields:
+        <literal>mountPoint</literal>, <literal>device</literal>,
+        <literal>fsType</literal> (a file system type recognised by
+        <command>mount</command>; defaults to
+        <literal>\"auto\"</literal>), and <literal>options</literal>
+        (the mount options passed to <command>mount</command> using the
+        <option>-o</option> flag; defaults to <literal>\"defaults\"</literal>).
+
+        Instead of specifying <literal>device</literal>, you can also
+        specify a volume label (<literal>label</literal>) for file
+        systems that support it, such as ext2/ext3 (see <command>mke2fs
+        -L</command>).
+
+        <literal>autocreate</literal> forces <literal>mountPoint</literal> to be created with 
+        <command>mkdir -p</command> .
+      ";
+      
+      type = types.nullOr (types.list types.optionSet);
+
+      options = {
+
+        mountPoint = mkOption {
+          example = "/mnt/usb";
+          type = types.uniq types.string;
+          description = "
+            Location of the mounted the file system.
+          ";
+        };
+
+        device = mkOption {
+          default = null;
+          example = "/dev/sda";
+          type = types.uniq (types.nullOr types.string);
+          description = "
+            Location of the device.
+          ";
+        };
+
+        label = mkOption {
+          default = null;
+          example = "root-partition";
+          type = types.uniq (types.nullOr types.string);
+          description = "
+            Label of the device (if any).
+          ";
+        };
+
+        fsType = mkOption {
+          default = "auto";
+          example = "ext3";
+          type = types.uniq types.string;
+          description = "
+            Type of the file system.
+          ";
+        };
+
+        options = mkOption {
+          default = "defaults,relatime";
+          example = "data=journal";
+          type = types.string;
+          merge = pkgs.lib.concatStringsSep ",";
+          description = "
+            Option used to mount the file system.
+          ";
+        };
+
+        autocreate = mkOption {
+          default = false;
+          type = types.bool;
+          description = "
+            Automatically create the mount point defined in
+            <option>fileSystems.*.mountPoint</option>.
+          ";
+        };
+      };
+    };
   
-  services = {
+    system.sbin.mount = mkOption {
-    extraJobs = [{
+      internal = true;
-      name = "filesystems";
+      default = pkgs.utillinuxng;
-      inherit job;
+      description = "
-    }];
+        Package containing mount and umount.
+      ";
+    };
+    
+  };
+
+
+  ###### implementation
+
+  config = {
+
+    # Add the mount helpers to the system path so that `mount' can find them.
+    environment.systemPackages = [pkgs.ntfs3g pkgs.mount_cifs pkgs.nfsUtils];
+    
+    jobAttrs.filesystems =
+      { startOn = [ "startup" "new-devices" "ip-up" ];
+
+        script = task;
+
+        task = true;
+      };
+
   };
 
-  # Add the mount helpers to the system path so that `mount' can find them.
-  environment.systemPackages = [pkgs.ntfs3g pkgs.mount_cifs pkgs.nfsUtils];
 }

modules/tasks/lvm.nix

@@ -1,27 +1,18 @@
-{pkgs, config, ...}:
+{ config, pkgs, ... }:
-
-###### implementation
-
-let
-  modprobe = config.system.sbin.modprobe;
-
-in
-
 
 {
 
-  services = {
+  ###### implementation
-    extraJobs = [{
-      name = "lvm";
-      
-      job = ''
-        start on udev
-        #start on new-devices
 
-        script
+  config = {
 
+    jobAttrs.lvm =
+      { startOn = " udev"; # !!! or on new-devices
+
+        script =
+          ''
             # Load the device mapper.
-            ${modprobe}/sbin/modprobe dm_mod || true
+            ${config.system.sbin.modprobe}/sbin/modprobe dm_mod || true
 
             ${pkgs.devicemapper}/sbin/dmsetup mknodes
             # Scan for block devices that might contain LVM physical volumes
@@ -33,9 +24,11 @@ in
             ${pkgs.lvm2}/sbin/vgchange --available y
 
             initctl emit new-devices
-            
+          '';
-        end script
+
-      '';
+        task = true;
-    }];
+      };
+
   };
+  
 }

modules/tasks/network-interfaces.nix

@@ -132,7 +132,6 @@ in
         pkgs.wirelesstools
       ];
     
-
     jobs = pkgs.lib.singleton
       { name = "network-interfaces";
 

modules/tasks/swraid.nix

@@ -1,4 +1,4 @@
-{pkgs, config, ...}:
+{ config, pkgs, ... }:
 
 ###### implementation
 
@@ -12,16 +12,11 @@ in
   
 {
 
-  services = {
+  jobAttrs.swraid =
-    extraJobs = [{
+    { startOn = "udev"; # !!! or on "new-devices"
-      name = "swraid";
-      
-      job = ''
-      start on udev
-      #start on new-devices
-      
-      script
       
+      script =
+        ''
           # Load the necessary RAID personalities.
           # !!! hm, doesn't the kernel load these automatically?
           for mod in raid0 raid1 raid5; do
@@ -35,10 +30,9 @@ in
           ${mdadm}/sbin/mdadm --assemble -c ${tempConf} --scan
       
           initctl emit new-devices
-          
+        '';
-      end script
+
-      
+      task = true;        
-      '';
+    };
-    }];
+
-  };
 }