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Share option definitions between the systemd and Upstart compatibility modules

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This commit is contained in:
Eelco Dolstra 2012-08-06 11:45:59 -04:00
parent f74ffe3550
commit 9f9ae7c7e9
4 changed files with 145 additions and 213 deletions
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9
modules/services/databases/postgresql.nix
View File

@ -181,20 +181,19 @@ in
postStart =
''
while ! psql postgres -c ""; do
stop_check
sleep 1
done
'';
extraConfig =
serviceConfig =
''
# Shut down Postgres using SIGINT ("Fast Shutdown mode"). See
# http://www.postgresql.org/docs/current/static/server-shutdown.html
kill signal INT
KillSignal=SIGINT
# Give Postgres a decent amount of time to clean up after
# receiving Upstart's SIGINT.
kill timeout 60
# receiving systemd's SIGINT.
TimeoutSec=60
'';
};

101
modules/system/boot/systemd-unit-options.nix Normal file
View File

@ -0,0 +1,101 @@
{ config, pkgs }:
with pkgs.lib;
{
serviceOptions = {
description = mkOption {
default = "";
types = types.uniq types.string;
description = "Description of this unit used in systemd messages and progress indicators.";
};
requires = mkOption {
default = [];
types = types.listOf types.string;
description = ''
Start the specified units when this unit is started, and stop
this unit when the specified units are stopped or fail.
'';
};
wants = mkOption {
default = [];
types = types.listOf types.string;
description = ''
Start the specified units when this unit is started.
'';
};
after = mkOption {
default = [];
types = types.listOf types.string;
description = ''
If the specified units are started at the same time as
this unit, delay this unit until they have started.
'';
};
before = mkOption {
default = [];
types = types.listOf types.string;
description = ''
If the specified units are started at the same time as
this unit, delay them until this unit has started.
'';
};
wantedBy = mkOption {
default = [];
types = types.listOf types.string;
description = "Units that want (i.e. depend on) this unit.";
};
environment = mkOption {
default = {};
type = types.attrs;
example = { PATH = "/foo/bar/bin"; LANG = "nl_NL.UTF-8"; };
description = "Environment variables passed to the services's processes.";
};
path = mkOption {
default = [];
apply = ps: "${makeSearchPath "bin" ps}:${makeSearchPath "sbin" ps}";
description = ''
Packages added to the service's <envar>PATH</envar>
environment variable. Both the <filename>bin</filename>
and <filename>sbin</filename> subdirectories of each
package are added.
'';
};
serviceConfig = mkOption {
default = "";
type = types.string;
description = ''
Contents of the <literal>[Service]</literal> section of the unit.
See <citerefentry><refentrytitle>systemd.unit</refentrytitle>
<manvolnum>5</manvolnum></citerefentry> for details.
'';
};
script = mkOption {
type = types.uniq types.string;
default = "";
description = "Shell commands executed as the service's main process.";
};
preStart = mkOption {
type = types.string;
default = "";
description = ''
Shell commands executed before the service's main process
is started.
'';
};
};
}

134
modules/system/boot/systemd.nix
View File

@ -1,122 +1,10 @@
{ config, pkgs, ... }:
with pkgs.lib;
with import ./systemd-unit-options.nix { inherit config pkgs; };
let
servicesOptions = {
description = mkOption {
default = "";
types = types.uniq types.string;
description = "Description of this unit used in systemd messages and progress indicators.";
};
requires = mkOption {
default = [];
types = types.listOf types.string;
description = ''
Start the specified units when this unit is started, and stop
this unit when the specified units are stopped or fail.
'';
};
wants = mkOption {
default = [];
types = types.listOf types.string;
description = ''
Start the specified units when this unit is started.
'';
};
after = mkOption {
default = [];
types = types.listOf types.string;
description = ''
If the specified units are started at the same time as
this unit, delay this unit until they have started.
'';
};
before = mkOption {
default = [];
types = types.listOf types.string;
description = ''
If the specified units are started at the same time as
this unit, delay them until this unit has started.
'';
};
wantedBy = mkOption {
default = [];
types = types.listOf types.string;
description = "Start this unit when the specified units are started.";
};
environment = mkOption {
default = {};
type = types.attrs;
example = { PATH = "/foo/bar/bin"; LANG = "nl_NL.UTF-8"; };
description = "Environment variables passed to the services's processes.";
};
path = mkOption {
default = [];
apply = ps: "${makeSearchPath "bin" ps}:${makeSearchPath "sbin" ps}";
description = ''
Packages added to the service's <envar>PATH</envar>
environment variable. Both the <filename>bin</filename>
and <filename>sbin</filename> subdirectories of each
package are added.
'';
};
serviceConfig = mkOption {
default = "";
type = types.string;
description = ''
Contents of the <literal>[Service]</literal> section of the unit.
See <citerefentry><refentrytitle>systemd.unit</refentrytitle>
<manvolnum>5</manvolnum></citerefentry> for details.
'';
};
script = mkOption {
type = types.uniq types.string;
default = "";
description = "Shell commands executed as the service's main process.";
};
preStart = mkOption {
type = types.string;
default = "";
description = ''
Shell commands executed before the service's main process
is started.
'';
};
};
servicesConfig = { name, config, ... }: {
config = {
# Default path for systemd services. Should be quite minimal.
path =
[ pkgs.coreutils
pkgs.findutils
pkgs.gnugrep
pkgs.gnused
systemd
];
};
};
cfg = config.boot.systemd;
systemd = pkgs.systemd;
@ -260,6 +148,19 @@ let
makeJobScript = name: content: "${pkgs.writeScriptBin name content}/bin/${name}";
serviceConfig = { name, config, ... }: {
config = {
# Default path for systemd services. Should be quite minimal.
path =
[ pkgs.coreutils
pkgs.findutils
pkgs.gnugrep
pkgs.gnused
systemd
];
};
};
serviceToUnit = name: def:
{ inherit (def) wantedBy;
@ -350,29 +251,24 @@ in
description = "Definition of systemd units.";
default = {};
type = types.attrsOf types.optionSet;
options = {
text = mkOption {
types = types.uniq types.string;
description = "Text of this systemd unit.";
};
wantedBy = mkOption {
default = [];
types = types.listOf types.string;
description = "Units that want (i.e. depend on) this unit.";
};
};
};
boot.systemd.services = mkOption {
description = "Definition of systemd services.";
default = {};
type = types.attrsOf types.optionSet;
options = [ servicesOptions servicesConfig ];
options = [ serviceOptions serviceConfig ];
};
boot.systemd.defaultUnit = mkOption {

72
modules/system/upstart/upstart.nix
View File

@ -1,11 +1,10 @@
{ config, pkgs, ... }:
with pkgs.lib;
with import ../boot/systemd-unit-options.nix { inherit config pkgs; };
let
upstart = pkgs.upstart;
userExists = u:
(u == "") || any (uu: uu.name == u) (attrValues config.users.extraUsers);
@ -66,6 +65,8 @@ let
serviceConfig =
''
${job.serviceConfig}
${optionalString (job.preStart != "" && (job.script != "" || job.exec != "")) ''
ExecStartPre=${preStartScript}
''}
@ -100,7 +101,7 @@ let
};
jobOptions = {
jobOptions = serviceOptions // {
name = mkOption {
# !!! The type should ensure that this could be a filename.
@ -111,14 +112,6 @@ let
'';
};
description = mkOption {
type = types.string;
default = "";
description = ''
A short description of this job.
'';
};
startOn = mkOption {
# !!! Re-enable this once we're on Upstart >= 0.6.
#type = types.string;
@ -137,15 +130,6 @@ let
'';
};
preStart = mkOption {
type = types.string;
default = "";
description = ''
Shell commands executed before the job is started
(i.e. before the job's main process is started).
'';
};
postStart = mkOption {
type = types.string;
default = "";
@ -186,15 +170,6 @@ let
'';
};
script = mkOption {
type = types.string;
default = "";
description = ''
Shell commands executed as the job's main process. Can be
specified instead of the <varname>exec</varname> attribute.
'';
};
respawn = mkOption {
type = types.bool;
default = true;
@ -223,15 +198,6 @@ let
'';
};
environment = mkOption {
type = types.attrs;
default = {};
example = { PATH = "/foo/bar/bin"; LANG = "nl_NL.UTF-8"; };
description = ''
Environment variables passed to the job's processes.
'';
};
daemonType = mkOption {
type = types.string;
default = "none";
@ -264,15 +230,6 @@ let
'';
};
extraConfig = mkOption {
type = types.string;
default = "";
example = "limit nofile 4096 4096";
description = ''
Additional Upstart stanzas not otherwise supported.
'';
};
path = mkOption {
default = [];
description = ''
@ -282,18 +239,6 @@ let
'';
};
console = mkOption {
default = "";
example = "console";
description = ''
If set to <literal>output</literal>, job output is written to
the console. If it's <literal>owner</literal>, additionally
the job becomes owner of the console. It it's empty (the
default), output is written to
<filename>/var/log/upstart/<replaceable>jobname</replaceable></filename>
'';
};
};
@ -313,15 +258,6 @@ let
# The default name is the name extracted from the attribute path.
name = mkDefaultValue name;
# Default path for Upstart jobs. Should be quite minimal.
path =
[ pkgs.coreutils
pkgs.findutils
pkgs.gnugrep
pkgs.gnused
upstart
];
};
};