954 lines
32 KiB
Nix
954 lines
32 KiB
Nix
{ config, lib, pkgs, utils, ... }:
|
||
|
||
with utils;
|
||
with lib;
|
||
with import ./systemd-unit-options.nix { inherit config lib; };
|
||
with import ./systemd-lib.nix { inherit config lib pkgs; };
|
||
|
||
let
|
||
|
||
cfg = config.systemd;
|
||
|
||
systemd = cfg.package;
|
||
|
||
upstreamSystemUnits =
|
||
[ # Targets.
|
||
"basic.target"
|
||
"sysinit.target"
|
||
"sockets.target"
|
||
"exit.target"
|
||
"graphical.target"
|
||
"multi-user.target"
|
||
"network.target"
|
||
"network-pre.target"
|
||
"network-online.target"
|
||
"nss-lookup.target"
|
||
"nss-user-lookup.target"
|
||
"time-sync.target"
|
||
#"cryptsetup.target"
|
||
"sigpwr.target"
|
||
"timers.target"
|
||
"paths.target"
|
||
"rpcbind.target"
|
||
|
||
# Rescue mode.
|
||
"rescue.target"
|
||
"rescue.service"
|
||
|
||
# Udev.
|
||
"systemd-udevd-control.socket"
|
||
"systemd-udevd-kernel.socket"
|
||
"systemd-udevd.service"
|
||
"systemd-udev-settle.service"
|
||
"systemd-udev-trigger.service"
|
||
# hwdb.bin is managed by NixOS
|
||
# "systemd-hwdb-update.service"
|
||
|
||
# Consoles.
|
||
"getty.target"
|
||
"getty-pre.target"
|
||
"getty@.service"
|
||
"serial-getty@.service"
|
||
"console-getty.service"
|
||
"container-getty@.service"
|
||
"systemd-vconsole-setup.service"
|
||
|
||
# Hardware (started by udev when a relevant device is plugged in).
|
||
"sound.target"
|
||
"bluetooth.target"
|
||
"printer.target"
|
||
"smartcard.target"
|
||
|
||
# Login stuff.
|
||
"systemd-logind.service"
|
||
"autovt@.service"
|
||
"systemd-user-sessions.service"
|
||
"dbus-org.freedesktop.machine1.service"
|
||
"user@.service"
|
||
"user-runtime-dir@.service"
|
||
|
||
# Journal.
|
||
"systemd-journald.socket"
|
||
"systemd-journald.service"
|
||
"systemd-journal-flush.service"
|
||
"systemd-journal-catalog-update.service"
|
||
"systemd-journald-audit.socket"
|
||
"systemd-journald-dev-log.socket"
|
||
"syslog.socket"
|
||
|
||
# SysV init compatibility.
|
||
"systemd-initctl.socket"
|
||
"systemd-initctl.service"
|
||
|
||
# Kernel module loading.
|
||
"systemd-modules-load.service"
|
||
"kmod-static-nodes.service"
|
||
|
||
# Filesystems.
|
||
"systemd-fsck@.service"
|
||
"systemd-fsck-root.service"
|
||
"systemd-remount-fs.service"
|
||
"local-fs.target"
|
||
"local-fs-pre.target"
|
||
"remote-fs.target"
|
||
"remote-fs-pre.target"
|
||
"swap.target"
|
||
"dev-hugepages.mount"
|
||
"dev-mqueue.mount"
|
||
"sys-fs-fuse-connections.mount"
|
||
"sys-kernel-config.mount"
|
||
"sys-kernel-debug.mount"
|
||
|
||
# Maintaining state across reboots.
|
||
"systemd-random-seed.service"
|
||
"systemd-backlight@.service"
|
||
"systemd-rfkill.service"
|
||
"systemd-rfkill.socket"
|
||
|
||
# Hibernate / suspend.
|
||
"hibernate.target"
|
||
"suspend.target"
|
||
"sleep.target"
|
||
"hybrid-sleep.target"
|
||
"systemd-hibernate.service"
|
||
"systemd-hybrid-sleep.service"
|
||
"systemd-suspend.service"
|
||
|
||
# Reboot stuff.
|
||
"reboot.target"
|
||
"systemd-reboot.service"
|
||
"poweroff.target"
|
||
"systemd-poweroff.service"
|
||
"halt.target"
|
||
"systemd-halt.service"
|
||
"shutdown.target"
|
||
"umount.target"
|
||
"final.target"
|
||
"kexec.target"
|
||
"systemd-kexec.service"
|
||
"systemd-update-utmp.service"
|
||
|
||
# Password entry.
|
||
"systemd-ask-password-console.path"
|
||
"systemd-ask-password-console.service"
|
||
"systemd-ask-password-wall.path"
|
||
"systemd-ask-password-wall.service"
|
||
|
||
# Slices / containers.
|
||
"slices.target"
|
||
"user.slice"
|
||
"machine.slice"
|
||
"machines.target"
|
||
"systemd-machined.service"
|
||
"systemd-nspawn@.service"
|
||
|
||
# Temporary file creation / cleanup.
|
||
"systemd-tmpfiles-clean.service"
|
||
"systemd-tmpfiles-clean.timer"
|
||
"systemd-tmpfiles-setup.service"
|
||
"systemd-tmpfiles-setup-dev.service"
|
||
|
||
# Misc.
|
||
"systemd-sysctl.service"
|
||
"dbus-org.freedesktop.timedate1.service"
|
||
"dbus-org.freedesktop.locale1.service"
|
||
"dbus-org.freedesktop.hostname1.service"
|
||
"systemd-timedated.service"
|
||
"systemd-localed.service"
|
||
"systemd-hostnamed.service"
|
||
"systemd-binfmt.service"
|
||
"systemd-exit.service"
|
||
"systemd-update-done.service"
|
||
] ++ optionals config.services.journald.enableHttpGateway [
|
||
"systemd-journal-gatewayd.socket"
|
||
"systemd-journal-gatewayd.service"
|
||
] ++ cfg.additionalUpstreamSystemUnits;
|
||
|
||
upstreamSystemWants =
|
||
[ "sysinit.target.wants"
|
||
"sockets.target.wants"
|
||
"local-fs.target.wants"
|
||
"multi-user.target.wants"
|
||
"timers.target.wants"
|
||
];
|
||
|
||
upstreamUserUnits =
|
||
[ "basic.target"
|
||
"bluetooth.target"
|
||
"default.target"
|
||
"exit.target"
|
||
"graphical-session-pre.target"
|
||
"graphical-session.target"
|
||
"paths.target"
|
||
"printer.target"
|
||
"shutdown.target"
|
||
"smartcard.target"
|
||
"sockets.target"
|
||
"sound.target"
|
||
"systemd-exit.service"
|
||
"timers.target"
|
||
];
|
||
|
||
makeJobScript = name: text:
|
||
let mkScriptName = s: "unit-script-" + (replaceChars [ "\\" "@" ] [ "-" "_" ] (shellEscape s) );
|
||
in pkgs.writeTextFile { name = mkScriptName name; executable = true; inherit text; };
|
||
|
||
unitConfig = { config, options, ... }: {
|
||
config = {
|
||
unitConfig =
|
||
optionalAttrs (config.requires != [])
|
||
{ Requires = toString config.requires; }
|
||
// optionalAttrs (config.wants != [])
|
||
{ Wants = toString config.wants; }
|
||
// optionalAttrs (config.after != [])
|
||
{ After = toString config.after; }
|
||
// optionalAttrs (config.before != [])
|
||
{ Before = toString config.before; }
|
||
// optionalAttrs (config.bindsTo != [])
|
||
{ BindsTo = toString config.bindsTo; }
|
||
// optionalAttrs (config.partOf != [])
|
||
{ PartOf = toString config.partOf; }
|
||
// optionalAttrs (config.conflicts != [])
|
||
{ Conflicts = toString config.conflicts; }
|
||
// optionalAttrs (config.requisite != [])
|
||
{ Requisite = toString config.requisite; }
|
||
// optionalAttrs (config.restartTriggers != [])
|
||
{ X-Restart-Triggers = toString config.restartTriggers; }
|
||
// optionalAttrs (config.description != "") {
|
||
Description = config.description; }
|
||
// optionalAttrs (config.documentation != []) {
|
||
Documentation = toString config.documentation; }
|
||
// optionalAttrs (config.onFailure != []) {
|
||
OnFailure = toString config.onFailure; }
|
||
// optionalAttrs (options.startLimitIntervalSec.isDefined) {
|
||
StartLimitIntervalSec = toString config.startLimitIntervalSec;
|
||
};
|
||
};
|
||
};
|
||
|
||
serviceConfig = { name, config, ... }: {
|
||
config = mkMerge
|
||
[ { # Default path for systemd services. Should be quite minimal.
|
||
path =
|
||
[ pkgs.coreutils
|
||
pkgs.findutils
|
||
pkgs.gnugrep
|
||
pkgs.gnused
|
||
systemd
|
||
];
|
||
environment.PATH = config.path;
|
||
}
|
||
(mkIf (config.preStart != "")
|
||
{ serviceConfig.ExecStartPre = makeJobScript "${name}-pre-start" ''
|
||
#! ${pkgs.runtimeShell} -e
|
||
${config.preStart}
|
||
'';
|
||
})
|
||
(mkIf (config.script != "")
|
||
{ serviceConfig.ExecStart = makeJobScript "${name}-start" ''
|
||
#! ${pkgs.runtimeShell} -e
|
||
${config.script}
|
||
'' + " " + config.scriptArgs;
|
||
})
|
||
(mkIf (config.postStart != "")
|
||
{ serviceConfig.ExecStartPost = makeJobScript "${name}-post-start" ''
|
||
#! ${pkgs.runtimeShell} -e
|
||
${config.postStart}
|
||
'';
|
||
})
|
||
(mkIf (config.reload != "")
|
||
{ serviceConfig.ExecReload = makeJobScript "${name}-reload" ''
|
||
#! ${pkgs.runtimeShell} -e
|
||
${config.reload}
|
||
'';
|
||
})
|
||
(mkIf (config.preStop != "")
|
||
{ serviceConfig.ExecStop = makeJobScript "${name}-pre-stop" ''
|
||
#! ${pkgs.runtimeShell} -e
|
||
${config.preStop}
|
||
'';
|
||
})
|
||
(mkIf (config.postStop != "")
|
||
{ serviceConfig.ExecStopPost = makeJobScript "${name}-post-stop" ''
|
||
#! ${pkgs.runtimeShell} -e
|
||
${config.postStop}
|
||
'';
|
||
})
|
||
];
|
||
};
|
||
|
||
mountConfig = { config, ... }: {
|
||
config = {
|
||
mountConfig =
|
||
{ What = config.what;
|
||
Where = config.where;
|
||
} // optionalAttrs (config.type != "") {
|
||
Type = config.type;
|
||
} // optionalAttrs (config.options != "") {
|
||
Options = config.options;
|
||
};
|
||
};
|
||
};
|
||
|
||
automountConfig = { config, ... }: {
|
||
config = {
|
||
automountConfig =
|
||
{ Where = config.where;
|
||
};
|
||
};
|
||
};
|
||
|
||
commonUnitText = def: ''
|
||
[Unit]
|
||
${attrsToSection def.unitConfig}
|
||
'';
|
||
|
||
targetToUnit = name: def:
|
||
{ inherit (def) aliases wantedBy requiredBy enable;
|
||
text =
|
||
''
|
||
[Unit]
|
||
${attrsToSection def.unitConfig}
|
||
'';
|
||
};
|
||
|
||
serviceToUnit = name: def:
|
||
{ inherit (def) aliases wantedBy requiredBy enable;
|
||
text = commonUnitText def +
|
||
''
|
||
[Service]
|
||
${let env = cfg.globalEnvironment // def.environment;
|
||
in concatMapStrings (n:
|
||
let s = optionalString (env."${n}" != null)
|
||
"Environment=${builtins.toJSON "${n}=${env.${n}}"}\n";
|
||
# systemd max line length is now 1MiB
|
||
# https://github.com/systemd/systemd/commit/e6dde451a51dc5aaa7f4d98d39b8fe735f73d2af
|
||
in if stringLength s >= 1048576 then throw "The value of the environment variable ‘${n}’ in systemd service ‘${name}.service’ is too long." else s) (attrNames env)}
|
||
${if def.reloadIfChanged then ''
|
||
X-ReloadIfChanged=true
|
||
'' else if !def.restartIfChanged then ''
|
||
X-RestartIfChanged=false
|
||
'' else ""}
|
||
${optionalString (!def.stopIfChanged) "X-StopIfChanged=false"}
|
||
${attrsToSection def.serviceConfig}
|
||
'';
|
||
};
|
||
|
||
socketToUnit = name: def:
|
||
{ inherit (def) aliases wantedBy requiredBy enable;
|
||
text = commonUnitText def +
|
||
''
|
||
[Socket]
|
||
${attrsToSection def.socketConfig}
|
||
${concatStringsSep "\n" (map (s: "ListenStream=${s}") def.listenStreams)}
|
||
'';
|
||
};
|
||
|
||
timerToUnit = name: def:
|
||
{ inherit (def) aliases wantedBy requiredBy enable;
|
||
text = commonUnitText def +
|
||
''
|
||
[Timer]
|
||
${attrsToSection def.timerConfig}
|
||
'';
|
||
};
|
||
|
||
pathToUnit = name: def:
|
||
{ inherit (def) aliases wantedBy requiredBy enable;
|
||
text = commonUnitText def +
|
||
''
|
||
[Path]
|
||
${attrsToSection def.pathConfig}
|
||
'';
|
||
};
|
||
|
||
mountToUnit = name: def:
|
||
{ inherit (def) aliases wantedBy requiredBy enable;
|
||
text = commonUnitText def +
|
||
''
|
||
[Mount]
|
||
${attrsToSection def.mountConfig}
|
||
'';
|
||
};
|
||
|
||
automountToUnit = name: def:
|
||
{ inherit (def) aliases wantedBy requiredBy enable;
|
||
text = commonUnitText def +
|
||
''
|
||
[Automount]
|
||
${attrsToSection def.automountConfig}
|
||
'';
|
||
};
|
||
|
||
sliceToUnit = name: def:
|
||
{ inherit (def) aliases wantedBy requiredBy enable;
|
||
text = commonUnitText def +
|
||
''
|
||
[Slice]
|
||
${attrsToSection def.sliceConfig}
|
||
'';
|
||
};
|
||
|
||
logindHandlerType = types.enum [
|
||
"ignore" "poweroff" "reboot" "halt" "kexec" "suspend"
|
||
"hibernate" "hybrid-sleep" "suspend-then-hibernate" "lock"
|
||
];
|
||
|
||
in
|
||
|
||
{
|
||
|
||
###### interface
|
||
|
||
options = {
|
||
|
||
systemd.package = mkOption {
|
||
default = pkgs.systemd;
|
||
defaultText = "pkgs.systemd";
|
||
type = types.package;
|
||
description = "The systemd package.";
|
||
};
|
||
|
||
systemd.units = mkOption {
|
||
description = "Definition of systemd units.";
|
||
default = {};
|
||
type = with types; attrsOf (submodule (
|
||
{ name, config, ... }:
|
||
{ options = concreteUnitOptions;
|
||
config = {
|
||
unit = mkDefault (makeUnit name config);
|
||
};
|
||
}));
|
||
};
|
||
|
||
systemd.packages = mkOption {
|
||
default = [];
|
||
type = types.listOf types.package;
|
||
description = "Packages providing systemd units.";
|
||
};
|
||
|
||
systemd.targets = mkOption {
|
||
default = {};
|
||
type = with types; attrsOf (submodule [ { options = targetOptions; } unitConfig] );
|
||
description = "Definition of systemd target units.";
|
||
};
|
||
|
||
systemd.services = mkOption {
|
||
default = {};
|
||
type = with types; attrsOf (submodule [ { options = serviceOptions; } unitConfig serviceConfig ]);
|
||
description = "Definition of systemd service units.";
|
||
};
|
||
|
||
systemd.sockets = mkOption {
|
||
default = {};
|
||
type = with types; attrsOf (submodule [ { options = socketOptions; } unitConfig ]);
|
||
description = "Definition of systemd socket units.";
|
||
};
|
||
|
||
systemd.timers = mkOption {
|
||
default = {};
|
||
type = with types; attrsOf (submodule [ { options = timerOptions; } unitConfig ]);
|
||
description = "Definition of systemd timer units.";
|
||
};
|
||
|
||
systemd.paths = mkOption {
|
||
default = {};
|
||
type = with types; attrsOf (submodule [ { options = pathOptions; } unitConfig ]);
|
||
description = "Definition of systemd path units.";
|
||
};
|
||
|
||
systemd.mounts = mkOption {
|
||
default = [];
|
||
type = with types; listOf (submodule [ { options = mountOptions; } unitConfig mountConfig ]);
|
||
description = ''
|
||
Definition of systemd mount units.
|
||
This is a list instead of an attrSet, because systemd mandates the names to be derived from
|
||
the 'where' attribute.
|
||
'';
|
||
};
|
||
|
||
systemd.automounts = mkOption {
|
||
default = [];
|
||
type = with types; listOf (submodule [ { options = automountOptions; } unitConfig automountConfig ]);
|
||
description = ''
|
||
Definition of systemd automount units.
|
||
This is a list instead of an attrSet, because systemd mandates the names to be derived from
|
||
the 'where' attribute.
|
||
'';
|
||
};
|
||
|
||
systemd.slices = mkOption {
|
||
default = {};
|
||
type = with types; attrsOf (submodule [ { options = sliceOptions; } unitConfig] );
|
||
description = "Definition of slice configurations.";
|
||
};
|
||
|
||
systemd.generators = mkOption {
|
||
type = types.attrsOf types.path;
|
||
default = {};
|
||
example = { "systemd-gpt-auto-generator" = "/dev/null"; };
|
||
description = ''
|
||
Definition of systemd generators.
|
||
For each <literal>NAME = VALUE</literal> pair of the attrSet, a link is generated from
|
||
<literal>/etc/systemd/system-generators/NAME</literal> to <literal>VALUE</literal>.
|
||
'';
|
||
};
|
||
|
||
systemd.generator-packages = mkOption {
|
||
default = [];
|
||
type = types.listOf types.package;
|
||
example = literalExample "[ pkgs.systemd-cryptsetup-generator ]";
|
||
description = "Packages providing systemd generators.";
|
||
};
|
||
|
||
systemd.defaultUnit = mkOption {
|
||
default = "multi-user.target";
|
||
type = types.str;
|
||
description = "Default unit started when the system boots.";
|
||
};
|
||
|
||
systemd.ctrlAltDelUnit = mkOption {
|
||
default = "reboot.target";
|
||
type = types.str;
|
||
example = "poweroff.target";
|
||
description = ''
|
||
Target that should be started when Ctrl-Alt-Delete is pressed.
|
||
'';
|
||
};
|
||
|
||
systemd.globalEnvironment = mkOption {
|
||
type = with types; attrsOf (nullOr (either str (either path package)));
|
||
default = {};
|
||
example = { TZ = "CET"; };
|
||
description = ''
|
||
Environment variables passed to <emphasis>all</emphasis> systemd units.
|
||
'';
|
||
};
|
||
|
||
systemd.enableCgroupAccounting = mkOption {
|
||
default = false;
|
||
type = types.bool;
|
||
description = ''
|
||
Whether to enable cgroup accounting.
|
||
'';
|
||
};
|
||
|
||
systemd.extraConfig = mkOption {
|
||
default = "";
|
||
type = types.lines;
|
||
example = "DefaultLimitCORE=infinity";
|
||
description = ''
|
||
Extra config options for systemd. See man systemd-system.conf for
|
||
available options.
|
||
'';
|
||
};
|
||
|
||
services.journald.console = mkOption {
|
||
default = "";
|
||
type = types.str;
|
||
description = "If non-empty, write log messages to the specified TTY device.";
|
||
};
|
||
|
||
services.journald.rateLimitInterval = mkOption {
|
||
default = "30s";
|
||
type = types.str;
|
||
description = ''
|
||
Configures the rate limiting interval that is applied to all
|
||
messages generated on the system. This rate limiting is applied
|
||
per-service, so that two services which log do not interfere with
|
||
each other's limit. The value may be specified in the following
|
||
units: s, min, h, ms, us. To turn off any kind of rate limiting,
|
||
set either value to 0.
|
||
'';
|
||
};
|
||
|
||
services.journald.rateLimitBurst = mkOption {
|
||
default = 1000;
|
||
type = types.int;
|
||
description = ''
|
||
Configures the rate limiting burst limit (number of messages per
|
||
interval) that is applied to all messages generated on the system.
|
||
This rate limiting is applied per-service, so that two services
|
||
which log do not interfere with each other's limit.
|
||
'';
|
||
};
|
||
|
||
services.journald.extraConfig = mkOption {
|
||
default = "";
|
||
type = types.lines;
|
||
example = "Storage=volatile";
|
||
description = ''
|
||
Extra config options for systemd-journald. See man journald.conf
|
||
for available options.
|
||
'';
|
||
};
|
||
|
||
services.journald.enableHttpGateway = mkOption {
|
||
default = false;
|
||
type = types.bool;
|
||
description = ''
|
||
Whether to enable the HTTP gateway to the journal.
|
||
'';
|
||
};
|
||
|
||
services.journald.forwardToSyslog = mkOption {
|
||
default = config.services.rsyslogd.enable || config.services.syslog-ng.enable;
|
||
defaultText = "services.rsyslogd.enable || services.syslog-ng.enable";
|
||
type = types.bool;
|
||
description = ''
|
||
Whether to forward log messages to syslog.
|
||
'';
|
||
};
|
||
|
||
services.logind.extraConfig = mkOption {
|
||
default = "";
|
||
type = types.lines;
|
||
example = "IdleAction=lock";
|
||
description = ''
|
||
Extra config options for systemd-logind. See
|
||
<link xlink:href="https://www.freedesktop.org/software/systemd/man/logind.conf.html">
|
||
logind.conf(5)</link> for available options.
|
||
'';
|
||
};
|
||
|
||
services.logind.killUserProcesses = mkOption {
|
||
default = false;
|
||
type = types.bool;
|
||
description = ''
|
||
Specifies whether the processes of a user should be killed
|
||
when the user logs out. If true, the scope unit corresponding
|
||
to the session and all processes inside that scope will be
|
||
terminated. If false, the scope is "abandoned" (see
|
||
<link xlink:href="https://www.freedesktop.org/software/systemd/man/systemd.scope.html#">
|
||
systemd.scope(5)</link>), and processes are not killed.
|
||
</para>
|
||
|
||
<para>
|
||
See <link xlink:href="https://www.freedesktop.org/software/systemd/man/logind.conf.html#KillUserProcesses=">logind.conf(5)</link>
|
||
for more details.
|
||
'';
|
||
};
|
||
|
||
services.logind.lidSwitch = mkOption {
|
||
default = "suspend";
|
||
example = "ignore";
|
||
type = logindHandlerType;
|
||
|
||
description = ''
|
||
Specifies what to be done when the laptop lid is closed.
|
||
'';
|
||
};
|
||
|
||
services.logind.lidSwitchDocked = mkOption {
|
||
default = "ignore";
|
||
example = "suspend";
|
||
type = logindHandlerType;
|
||
|
||
description = ''
|
||
Specifies what to be done when the laptop lid is closed
|
||
and another screen is added.
|
||
'';
|
||
};
|
||
|
||
services.logind.lidSwitchExternalPower = mkOption {
|
||
default = config.services.logind.lidSwitch;
|
||
defaultText = "services.logind.lidSwitch";
|
||
example = "ignore";
|
||
type = logindHandlerType;
|
||
|
||
description = ''
|
||
Specifies what to do when the laptop lid is closed and the system is
|
||
on external power. By default use the same action as specified in
|
||
services.logind.lidSwitch.
|
||
'';
|
||
};
|
||
|
||
systemd.user.extraConfig = mkOption {
|
||
default = "";
|
||
type = types.lines;
|
||
example = "DefaultCPUAccounting=yes";
|
||
description = ''
|
||
Extra config options for systemd user instances. See man systemd-user.conf for
|
||
available options.
|
||
'';
|
||
};
|
||
|
||
systemd.tmpfiles.rules = mkOption {
|
||
type = types.listOf types.str;
|
||
default = [];
|
||
example = [ "d /tmp 1777 root root 10d" ];
|
||
description = ''
|
||
Rules for creating and cleaning up temporary files
|
||
automatically. See
|
||
<citerefentry><refentrytitle>tmpfiles.d</refentrytitle><manvolnum>5</manvolnum></citerefentry>
|
||
for the exact format.
|
||
'';
|
||
};
|
||
|
||
systemd.user.units = mkOption {
|
||
description = "Definition of systemd per-user units.";
|
||
default = {};
|
||
type = with types; attrsOf (submodule (
|
||
{ name, config, ... }:
|
||
{ options = concreteUnitOptions;
|
||
config = {
|
||
unit = mkDefault (makeUnit name config);
|
||
};
|
||
}));
|
||
};
|
||
|
||
systemd.user.paths = mkOption {
|
||
default = {};
|
||
type = with types; attrsOf (submodule [ { options = pathOptions; } unitConfig ]);
|
||
description = "Definition of systemd per-user path units.";
|
||
};
|
||
|
||
systemd.user.services = mkOption {
|
||
default = {};
|
||
type = with types; attrsOf (submodule [ { options = serviceOptions; } unitConfig serviceConfig ] );
|
||
description = "Definition of systemd per-user service units.";
|
||
};
|
||
|
||
systemd.user.slices = mkOption {
|
||
default = {};
|
||
type = with types; attrsOf (submodule [ { options = sliceOptions; } unitConfig ] );
|
||
description = "Definition of systemd per-user slice units.";
|
||
};
|
||
|
||
systemd.user.sockets = mkOption {
|
||
default = {};
|
||
type = with types; attrsOf (submodule [ { options = socketOptions; } unitConfig ] );
|
||
description = "Definition of systemd per-user socket units.";
|
||
};
|
||
|
||
systemd.user.targets = mkOption {
|
||
default = {};
|
||
type = with types; attrsOf (submodule [ { options = targetOptions; } unitConfig] );
|
||
description = "Definition of systemd per-user target units.";
|
||
};
|
||
|
||
systemd.user.timers = mkOption {
|
||
default = {};
|
||
type = with types; attrsOf (submodule [ { options = timerOptions; } unitConfig ] );
|
||
description = "Definition of systemd per-user timer units.";
|
||
};
|
||
|
||
systemd.additionalUpstreamSystemUnits = mkOption {
|
||
default = [ ];
|
||
type = types.listOf types.str;
|
||
example = [ "debug-shell.service" "systemd-quotacheck.service" ];
|
||
description = ''
|
||
Additional units shipped with systemd that shall be enabled.
|
||
'';
|
||
};
|
||
|
||
};
|
||
|
||
|
||
###### implementation
|
||
|
||
config = {
|
||
|
||
warnings = concatLists (mapAttrsToList (name: service:
|
||
optional (service.serviceConfig.Type or "" == "oneshot" && service.serviceConfig.Restart or "no" != "no")
|
||
"Service ‘${name}.service’ with ‘Type=oneshot’ must have ‘Restart=no’") cfg.services);
|
||
|
||
system.build.units = cfg.units;
|
||
|
||
environment.systemPackages = [ systemd ];
|
||
|
||
environment.etc = let
|
||
# generate contents for /etc/systemd/system-generators from
|
||
# systemd.generators and systemd.generator-packages
|
||
generators = pkgs.runCommand "system-generators" {
|
||
preferLocalBuild = true;
|
||
packages = cfg.generator-packages;
|
||
} ''
|
||
mkdir -p $out
|
||
for package in $packages
|
||
do
|
||
ln -s $package/lib/systemd/system-generators/* $out/
|
||
done;
|
||
${concatStrings (mapAttrsToList (generator: target: "ln -s ${target} $out/${generator};\n") cfg.generators)}
|
||
'';
|
||
in ({
|
||
"systemd/system".source = generateUnits "system" cfg.units upstreamSystemUnits upstreamSystemWants;
|
||
|
||
"systemd/user".source = generateUnits "user" cfg.user.units upstreamUserUnits [];
|
||
|
||
"systemd/system.conf".text = ''
|
||
[Manager]
|
||
${optionalString config.systemd.enableCgroupAccounting ''
|
||
DefaultCPUAccounting=yes
|
||
DefaultIOAccounting=yes
|
||
DefaultBlockIOAccounting=yes
|
||
DefaultMemoryAccounting=yes
|
||
DefaultTasksAccounting=yes
|
||
''}
|
||
${config.systemd.extraConfig}
|
||
'';
|
||
|
||
"systemd/user.conf".text = ''
|
||
[Manager]
|
||
${config.systemd.user.extraConfig}
|
||
'';
|
||
|
||
"systemd/journald.conf".text = ''
|
||
[Journal]
|
||
Storage=persistent
|
||
RateLimitInterval=${config.services.journald.rateLimitInterval}
|
||
RateLimitBurst=${toString config.services.journald.rateLimitBurst}
|
||
${optionalString (config.services.journald.console != "") ''
|
||
ForwardToConsole=yes
|
||
TTYPath=${config.services.journald.console}
|
||
''}
|
||
${optionalString (config.services.journald.forwardToSyslog) ''
|
||
ForwardToSyslog=yes
|
||
''}
|
||
${config.services.journald.extraConfig}
|
||
'';
|
||
|
||
"systemd/logind.conf".text = ''
|
||
[Login]
|
||
KillUserProcesses=${if config.services.logind.killUserProcesses then "yes" else "no"}
|
||
HandleLidSwitch=${config.services.logind.lidSwitch}
|
||
HandleLidSwitchDocked=${config.services.logind.lidSwitchDocked}
|
||
HandleLidSwitchExternalPower=${config.services.logind.lidSwitchExternalPower}
|
||
${config.services.logind.extraConfig}
|
||
'';
|
||
|
||
"systemd/sleep.conf".text = ''
|
||
[Sleep]
|
||
'';
|
||
|
||
"tmpfiles.d/systemd.conf".source = "${systemd}/example/tmpfiles.d/systemd.conf";
|
||
"tmpfiles.d/x11.conf".source = "${systemd}/example/tmpfiles.d/x11.conf";
|
||
|
||
"tmpfiles.d/nixos.conf".text = ''
|
||
# This file is created automatically and should not be modified.
|
||
# Please change the option ‘systemd.tmpfiles.rules’ instead.
|
||
|
||
${concatStringsSep "\n" cfg.tmpfiles.rules}
|
||
'';
|
||
|
||
"systemd/system-generators" = { source = generators; };
|
||
});
|
||
|
||
services.dbus.enable = true;
|
||
|
||
users.users.systemd-network.uid = config.ids.uids.systemd-network;
|
||
users.groups.systemd-network.gid = config.ids.gids.systemd-network;
|
||
users.users.systemd-resolve.uid = config.ids.uids.systemd-resolve;
|
||
users.groups.systemd-resolve.gid = config.ids.gids.systemd-resolve;
|
||
|
||
# Target for ‘charon send-keys’ to hook into.
|
||
users.groups.keys.gid = config.ids.gids.keys;
|
||
|
||
systemd.targets.keys =
|
||
{ description = "Security Keys";
|
||
unitConfig.X-StopOnReconfiguration = true;
|
||
};
|
||
|
||
systemd.units =
|
||
mapAttrs' (n: v: nameValuePair "${n}.path" (pathToUnit n v)) cfg.paths
|
||
// mapAttrs' (n: v: nameValuePair "${n}.service" (serviceToUnit n v)) cfg.services
|
||
// mapAttrs' (n: v: nameValuePair "${n}.slice" (sliceToUnit n v)) cfg.slices
|
||
// mapAttrs' (n: v: nameValuePair "${n}.socket" (socketToUnit n v)) cfg.sockets
|
||
// mapAttrs' (n: v: nameValuePair "${n}.target" (targetToUnit n v)) cfg.targets
|
||
// mapAttrs' (n: v: nameValuePair "${n}.timer" (timerToUnit n v)) cfg.timers
|
||
// listToAttrs (map
|
||
(v: let n = escapeSystemdPath v.where;
|
||
in nameValuePair "${n}.mount" (mountToUnit n v)) cfg.mounts)
|
||
// listToAttrs (map
|
||
(v: let n = escapeSystemdPath v.where;
|
||
in nameValuePair "${n}.automount" (automountToUnit n v)) cfg.automounts);
|
||
|
||
systemd.user.units =
|
||
mapAttrs' (n: v: nameValuePair "${n}.path" (pathToUnit n v)) cfg.user.paths
|
||
// mapAttrs' (n: v: nameValuePair "${n}.service" (serviceToUnit n v)) cfg.user.services
|
||
// mapAttrs' (n: v: nameValuePair "${n}.slice" (sliceToUnit n v)) cfg.user.slices
|
||
// mapAttrs' (n: v: nameValuePair "${n}.socket" (socketToUnit n v)) cfg.user.sockets
|
||
// mapAttrs' (n: v: nameValuePair "${n}.target" (targetToUnit n v)) cfg.user.targets
|
||
// mapAttrs' (n: v: nameValuePair "${n}.timer" (timerToUnit n v)) cfg.user.timers;
|
||
|
||
system.requiredKernelConfig = map config.lib.kernelConfig.isEnabled
|
||
[ "DEVTMPFS" "CGROUPS" "INOTIFY_USER" "SIGNALFD" "TIMERFD" "EPOLL" "NET"
|
||
"SYSFS" "PROC_FS" "FHANDLE" "CRYPTO_USER_API_HASH" "CRYPTO_HMAC"
|
||
"CRYPTO_SHA256" "DMIID" "AUTOFS4_FS" "TMPFS_POSIX_ACL"
|
||
"TMPFS_XATTR" "SECCOMP"
|
||
];
|
||
|
||
users.groups.systemd-journal.gid = config.ids.gids.systemd-journal;
|
||
users.users.systemd-journal-gateway.uid = config.ids.uids.systemd-journal-gateway;
|
||
users.groups.systemd-journal-gateway.gid = config.ids.gids.systemd-journal-gateway;
|
||
|
||
# Generate timer units for all services that have a ‘startAt’ value.
|
||
systemd.timers =
|
||
mapAttrs (name: service:
|
||
{ wantedBy = [ "timers.target" ];
|
||
timerConfig.OnCalendar = service.startAt;
|
||
})
|
||
(filterAttrs (name: service: service.enable && service.startAt != []) cfg.services);
|
||
|
||
# Generate timer units for all services that have a ‘startAt’ value.
|
||
systemd.user.timers =
|
||
mapAttrs (name: service:
|
||
{ wantedBy = [ "timers.target" ];
|
||
timerConfig.OnCalendar = service.startAt;
|
||
})
|
||
(filterAttrs (name: service: service.startAt != []) cfg.user.services);
|
||
|
||
systemd.sockets.systemd-journal-gatewayd.wantedBy =
|
||
optional config.services.journald.enableHttpGateway "sockets.target";
|
||
|
||
# Provide the systemd-user PAM service, required to run systemd
|
||
# user instances.
|
||
security.pam.services.systemd-user =
|
||
{ # Ensure that pam_systemd gets included. This is special-cased
|
||
# in systemd to provide XDG_RUNTIME_DIR.
|
||
startSession = true;
|
||
};
|
||
|
||
# Some overrides to upstream units.
|
||
systemd.services."systemd-backlight@".restartIfChanged = false;
|
||
systemd.services."systemd-fsck@".restartIfChanged = false;
|
||
systemd.services."systemd-fsck@".path = [ config.system.path ];
|
||
systemd.services."user@".restartIfChanged = false;
|
||
systemd.services.systemd-journal-flush.restartIfChanged = false;
|
||
systemd.services.systemd-random-seed.restartIfChanged = false;
|
||
systemd.services.systemd-remount-fs.restartIfChanged = false;
|
||
systemd.services.systemd-update-utmp.restartIfChanged = false;
|
||
systemd.services.systemd-user-sessions.restartIfChanged = false; # Restart kills all active sessions.
|
||
systemd.services.systemd-udev-settle.restartIfChanged = false; # Causes long delays in nixos-rebuild
|
||
# Restarting systemd-logind breaks X11
|
||
# - upstream commit: https://cgit.freedesktop.org/xorg/xserver/commit/?id=dc48bd653c7e101
|
||
# - systemd announcement: https://github.com/systemd/systemd/blob/22043e4317ecd2bc7834b48a6d364de76bb26d91/NEWS#L103-L112
|
||
# - this might be addressed in the future by xorg
|
||
#systemd.services.systemd-logind.restartTriggers = [ config.environment.etc."systemd/logind.conf".source ];
|
||
systemd.services.systemd-logind.restartIfChanged = false;
|
||
systemd.services.systemd-logind.stopIfChanged = false;
|
||
# The user-runtime-dir@ service is managed by systemd-logind we should not touch it or else we break the users' sessions.
|
||
systemd.services."user-runtime-dir@".stopIfChanged = false;
|
||
systemd.services."user-runtime-dir@".restartIfChanged = false;
|
||
systemd.services.systemd-journald.restartTriggers = [ config.environment.etc."systemd/journald.conf".source ];
|
||
systemd.services.systemd-journald.stopIfChanged = false;
|
||
systemd.targets.local-fs.unitConfig.X-StopOnReconfiguration = true;
|
||
systemd.targets.remote-fs.unitConfig.X-StopOnReconfiguration = true;
|
||
systemd.targets.network-online.wantedBy = [ "multi-user.target" ];
|
||
systemd.services.systemd-binfmt.wants = [ "proc-sys-fs-binfmt_misc.mount" ];
|
||
|
||
# Don't bother with certain units in containers.
|
||
systemd.services.systemd-remount-fs.unitConfig.ConditionVirtualization = "!container";
|
||
systemd.services.systemd-random-seed.unitConfig.ConditionVirtualization = "!container";
|
||
|
||
};
|
||
|
||
# FIXME: Remove these eventually.
|
||
imports =
|
||
[ (mkRenamedOptionModule [ "boot" "systemd" "sockets" ] [ "systemd" "sockets" ])
|
||
(mkRenamedOptionModule [ "boot" "systemd" "targets" ] [ "systemd" "targets" ])
|
||
(mkRenamedOptionModule [ "boot" "systemd" "services" ] [ "systemd" "services" ])
|
||
];
|
||
|
||
}
|