nixos/systemd-initrd: Remove unit options that don't work

This commit is contained in:
Janne Heß 2022-04-01 10:44:08 +02:00
parent 1e5261f31c
commit b7c62b8238
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4 changed files with 300 additions and 188 deletions

View File

@ -273,9 +273,9 @@ in rec {
{ Conflicts = toString config.conflicts; }
// optionalAttrs (config.requisite != [])
{ Requisite = toString config.requisite; }
// optionalAttrs (config.restartTriggers != [])
// optionalAttrs (config ? restartTriggers && config.restartTriggers != [])
{ X-Restart-Triggers = toString config.restartTriggers; }
// optionalAttrs (config.reloadTriggers != [])
// optionalAttrs (config ? reloadTriggers && config.reloadTriggers != [])
{ X-Reload-Triggers = toString config.reloadTriggers; }
// optionalAttrs (config.description != "") {
Description = config.description; }
@ -291,36 +291,8 @@ in rec {
};
};
serviceConfig = { name, config, ... }: {
config = mkMerge
[ {
environment.PATH = mkIf (config.path != []) "${makeBinPath config.path}:${makeSearchPathOutput "bin" "sbin" config.path}";
}
(mkIf (config ? preStart && config.preStart != "")
{ serviceConfig.ExecStartPre =
[ (makeJobScript "${name}-pre-start" config.preStart) ];
})
(mkIf (config ? script && config.script != "")
{ serviceConfig.ExecStart =
makeJobScript "${name}-start" config.script + " " + config.scriptArgs;
})
(mkIf (config ? postStart && config.postStart != "")
{ serviceConfig.ExecStartPost =
[ (makeJobScript "${name}-post-start" config.postStart) ];
})
(mkIf (config ? reload && config.reload != "")
{ serviceConfig.ExecReload =
makeJobScript "${name}-reload" config.reload;
})
(mkIf (config ? preStop && config.preStop != "")
{ serviceConfig.ExecStop =
makeJobScript "${name}-pre-stop" config.preStop;
})
(mkIf (config ? postStart && config.postStop != "")
{ serviceConfig.ExecStopPost =
makeJobScript "${name}-post-stop" config.postStop;
})
];
serviceConfig = { config, ... }: {
config.environment.PATH = mkIf (config.path != []) "${makeBinPath config.path}:${makeSearchPathOutput "bin" "sbin" config.path}";
};
stage2ServiceConfig = {
@ -384,12 +356,12 @@ in rec {
# 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 ''
${if def ? reloadIfChanged && def.reloadIfChanged then ''
X-ReloadIfChanged=true
'' else if !def.restartIfChanged then ''
'' else if (def ? restartIfChanged && !def.restartIfChanged) then ''
X-RestartIfChanged=false
'' else ""}
${optionalString (!def.stopIfChanged) "X-StopIfChanged=false"}
${optionalString (def ? stopIfChanged && !def.stopIfChanged) "X-StopIfChanged=false"}
${attrsToSection def.serviceConfig}
'';
};

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@ -11,20 +11,27 @@ rec {
config = { unit = mkDefault (systemdUtils.lib.makeUnit name config); };
}));
services = with types; attrsOf (submodule [ { options = serviceOptions; } unitConfig stage2ServiceConfig ]);
initrdServices = with types; attrsOf (submodule [ { options = serviceOptions; } unitConfig stage1ServiceConfig ]);
services = with types; attrsOf (submodule [ stage2ServiceOptions unitConfig stage2ServiceConfig ]);
initrdServices = with types; attrsOf (submodule [ stage1ServiceOptions unitConfig stage1ServiceConfig ]);
targets = with types; attrsOf (submodule [ { options = targetOptions; } unitConfig ]);
targets = with types; attrsOf (submodule [ stage2CommonUnitOptions unitConfig ]);
initrdTargets = with types; attrsOf (submodule [ stage1CommonUnitOptions unitConfig ]);
sockets = with types; attrsOf (submodule [ { options = socketOptions; } unitConfig ]);
sockets = with types; attrsOf (submodule [ stage2SocketOptions unitConfig ]);
initrdSockets = with types; attrsOf (submodule [ stage1SocketOptions unitConfig ]);
timers = with types; attrsOf (submodule [ { options = timerOptions; } unitConfig ]);
timers = with types; attrsOf (submodule [ stage2TimerOptions unitConfig ]);
initrdTimers = with types; attrsOf (submodule [ stage1TimerOptions unitConfig ]);
paths = with types; attrsOf (submodule [ { options = pathOptions; } unitConfig ]);
paths = with types; attrsOf (submodule [ stage2PathOptions unitConfig ]);
initrdPaths = with types; attrsOf (submodule [ stage1PathOptions unitConfig ]);
slices = with types; attrsOf (submodule [ { options = sliceOptions; } unitConfig ]);
slices = with types; attrsOf (submodule [ stage2SliceOptions unitConfig ]);
initrdSlices = with types; attrsOf (submodule [ stage1SliceOptions unitConfig ]);
mounts = with types; listOf (submodule [ { options = mountOptions; } unitConfig mountConfig ]);
mounts = with types; listOf (submodule [ stage2MountOptions unitConfig mountConfig ]);
initrdMounts = with types; listOf (submodule [ stage1MountOptions unitConfig mountConfig ]);
automounts = with types; listOf (submodule [ { options = automountOptions; } unitConfig automountConfig ]);
automounts = with types; listOf (submodule [ stage2AutomountOptions unitConfig automountConfig ]);
initrdAutomounts = with types; attrsOf (submodule [ stage1AutomountOptions unitConfig automountConfig ]);
}

View File

@ -94,7 +94,7 @@ in rec {
};
commonUnitOptions = sharedOptions // {
commonUnitOptions = { options = (sharedOptions // {
description = mkOption {
default = "";
@ -191,27 +191,6 @@ in rec {
'';
};
restartTriggers = mkOption {
default = [];
type = types.listOf types.unspecified;
description = ''
An arbitrary list of items such as derivations. If any item
in the list changes between reconfigurations, the service will
be restarted.
'';
};
reloadTriggers = mkOption {
default = [];
type = types.listOf unitOption;
description = ''
An arbitrary list of items such as derivations. If any item
in the list changes between reconfigurations, the service will
be reloaded. If anything but a reload trigger changes in the
unit file, the unit will be restarted instead.
'';
};
onFailure = mkOption {
default = [];
type = types.listOf unitNameType;
@ -239,10 +218,39 @@ in rec {
'';
};
}); };
stage2CommonUnitOptions = {
imports = [
commonUnitOptions
];
options = {
restartTriggers = mkOption {
default = [];
type = types.listOf types.unspecified;
description = ''
An arbitrary list of items such as derivations. If any item
in the list changes between reconfigurations, the service will
be restarted.
'';
};
reloadTriggers = mkOption {
default = [];
type = types.listOf unitOption;
description = ''
An arbitrary list of items such as derivations. If any item
in the list changes between reconfigurations, the service will
be reloaded. If anything but a reload trigger changes in the
unit file, the unit will be restarted instead.
'';
};
};
};
stage1CommonUnitOptions = commonUnitOptions;
serviceOptions = commonUnitOptions // {
serviceOptions = { options = {
environment = mkOption {
default = {};
@ -276,121 +284,164 @@ in rec {
'';
};
script = mkOption {
type = types.lines;
default = "";
description = "Shell commands executed as the service's main process.";
}; };
stage2ServiceOptions = { name, config, ... }: {
imports = [
stage2CommonUnitOptions
serviceOptions
];
options = {
script = mkOption {
type = types.lines;
default = "";
description = "Shell commands executed as the service's main process.";
};
scriptArgs = mkOption {
type = types.str;
default = "";
description = "Arguments passed to the main process script.";
};
preStart = mkOption {
type = types.lines;
default = "";
description = ''
Shell commands executed before the service's main process
is started.
'';
};
postStart = mkOption {
type = types.lines;
default = "";
description = ''
Shell commands executed after the service's main process
is started.
'';
};
reload = mkOption {
type = types.lines;
default = "";
description = ''
Shell commands executed when the service's main process
is reloaded.
'';
};
preStop = mkOption {
type = types.lines;
default = "";
description = ''
Shell commands executed to stop the service.
'';
};
postStop = mkOption {
type = types.lines;
default = "";
description = ''
Shell commands executed after the service's main process
has exited.
'';
};
restartIfChanged = mkOption {
type = types.bool;
default = true;
description = ''
Whether the service should be restarted during a NixOS
configuration switch if its definition has changed.
'';
};
reloadIfChanged = mkOption {
type = types.bool;
default = false;
description = ''
Whether the service should be reloaded during a NixOS
configuration switch if its definition has changed. If
enabled, the value of <option>restartIfChanged</option> is
ignored.
This option should not be used anymore in favor of
<option>reloadTriggers</option> which allows more granular
control of when a service is reloaded and when a service
is restarted.
'';
};
stopIfChanged = mkOption {
type = types.bool;
default = true;
description = ''
If set, a changed unit is restarted by calling
<command>systemctl stop</command> in the old configuration,
then <command>systemctl start</command> in the new one.
Otherwise, it is restarted in a single step using
<command>systemctl restart</command> in the new configuration.
The latter is less correct because it runs the
<literal>ExecStop</literal> commands from the new
configuration.
'';
};
startAt = mkOption {
type = with types; either str (listOf str);
default = [];
example = "Sun 14:00:00";
description = ''
Automatically start this unit at the given date/time, which
must be in the format described in
<citerefentry><refentrytitle>systemd.time</refentrytitle>
<manvolnum>7</manvolnum></citerefentry>. This is equivalent
to adding a corresponding timer unit with
<option>OnCalendar</option> set to the value given here.
'';
apply = v: if isList v then v else [ v ];
};
};
scriptArgs = mkOption {
type = types.str;
default = "";
description = "Arguments passed to the main process script.";
};
preStart = mkOption {
type = types.lines;
default = "";
description = ''
Shell commands executed before the service's main process
is started.
'';
};
postStart = mkOption {
type = types.lines;
default = "";
description = ''
Shell commands executed after the service's main process
is started.
'';
};
reload = mkOption {
type = types.lines;
default = "";
description = ''
Shell commands executed when the service's main process
is reloaded.
'';
};
preStop = mkOption {
type = types.lines;
default = "";
description = ''
Shell commands executed to stop the service.
'';
};
postStop = mkOption {
type = types.lines;
default = "";
description = ''
Shell commands executed after the service's main process
has exited.
'';
};
restartIfChanged = mkOption {
type = types.bool;
default = true;
description = ''
Whether the service should be restarted during a NixOS
configuration switch if its definition has changed.
'';
};
reloadIfChanged = mkOption {
type = types.bool;
default = false;
description = ''
Whether the service should be reloaded during a NixOS
configuration switch if its definition has changed. If
enabled, the value of <option>restartIfChanged</option> is
ignored.
This option should not be used anymore in favor of
<option>reloadTriggers</option> which allows more granular
control of when a service is reloaded and when a service
is restarted.
'';
};
stopIfChanged = mkOption {
type = types.bool;
default = true;
description = ''
If set, a changed unit is restarted by calling
<command>systemctl stop</command> in the old configuration,
then <command>systemctl start</command> in the new one.
Otherwise, it is restarted in a single step using
<command>systemctl restart</command> in the new configuration.
The latter is less correct because it runs the
<literal>ExecStop</literal> commands from the new
configuration.
'';
};
startAt = mkOption {
type = with types; either str (listOf str);
default = [];
example = "Sun 14:00:00";
description = ''
Automatically start this unit at the given date/time, which
must be in the format described in
<citerefentry><refentrytitle>systemd.time</refentrytitle>
<manvolnum>7</manvolnum></citerefentry>. This is equivalent
to adding a corresponding timer unit with
<option>OnCalendar</option> set to the value given here.
'';
apply = v: if isList v then v else [ v ];
};
config = mkMerge
[ (mkIf (config.preStart != "")
{ serviceConfig.ExecStartPre =
[ (makeJobScript "${name}-pre-start" config.preStart) ];
})
(mkIf (config.script != "")
{ serviceConfig.ExecStart =
makeJobScript "${name}-start" config.script + " " + config.scriptArgs;
})
(mkIf (config.postStart != "")
{ serviceConfig.ExecStartPost =
[ (makeJobScript "${name}-post-start" config.postStart) ];
})
(mkIf (config.reload != "")
{ serviceConfig.ExecReload =
makeJobScript "${name}-reload" config.reload;
})
(mkIf (config.preStop != "")
{ serviceConfig.ExecStop =
makeJobScript "${name}-pre-stop" config.preStop;
})
(mkIf (config.postStop != "")
{ serviceConfig.ExecStopPost =
makeJobScript "${name}-post-stop" config.postStop;
})
];
};
stage1ServiceOptions = {
imports = [
stage1CommonUnitOptions
serviceOptions
];
};
socketOptions = commonUnitOptions // {
socketOptions = { options = {
listenStreams = mkOption {
default = [];
@ -424,10 +475,24 @@ in rec {
'';
};
}; };
stage2SocketOptions = {
imports = [
stage2CommonUnitOptions
socketOptions
];
};
stage1SocketOptions = {
imports = [
stage1CommonUnitOptions
socketOptions
];
};
timerOptions = commonUnitOptions // {
timerOptions = { options = {
timerConfig = mkOption {
default = {};
@ -443,10 +508,24 @@ in rec {
'';
};
}; };
stage2TimerOptions = {
imports = [
stage2CommonUnitOptions
timerOptions
];
};
stage1TimerOptions = {
imports = [
stage1CommonUnitOptions
timerOptions
];
};
pathOptions = commonUnitOptions // {
pathOptions = { options = {
pathConfig = mkOption {
default = {};
@ -460,10 +539,24 @@ in rec {
'';
};
}; };
stage2PathOptions = {
imports = [
stage2CommonUnitOptions
pathOptions
];
};
stage1PathOptions = {
imports = [
stage1CommonUnitOptions
pathOptions
];
};
mountOptions = commonUnitOptions // {
mountOptions = { options = {
what = mkOption {
example = "/dev/sda1";
@ -505,9 +598,23 @@ in rec {
<manvolnum>5</manvolnum></citerefentry> for details.
'';
};
}; };
stage2MountOptions = {
imports = [
stage2CommonUnitOptions
mountOptions
];
};
automountOptions = commonUnitOptions // {
stage1MountOptions = {
imports = [
stage1CommonUnitOptions
mountOptions
];
};
automountOptions = { options = {
where = mkOption {
example = "/mnt";
@ -529,11 +636,23 @@ in rec {
<manvolnum>5</manvolnum></citerefentry> for details.
'';
};
}; };
stage2AutomountOptions = {
imports = [
stage2CommonUnitOptions
automountOptions
];
};
targetOptions = commonUnitOptions;
stage1AutomountOptions = {
imports = [
stage1CommonUnitOptions
automountOptions
];
};
sliceOptions = commonUnitOptions // {
sliceOptions = { options = {
sliceConfig = mkOption {
default = {};
@ -547,6 +666,20 @@ in rec {
'';
};
}; };
stage2SliceOptions = {
imports = [
stage2CommonUnitOptions
sliceOptions
];
};
stage1SliceOptions = {
imports = [
stage1CommonUnitOptions
sliceOptions
];
};
}

View File

@ -231,7 +231,7 @@ in {
targets = mkOption {
default = {};
visible = false;
type = systemdUtils.types.targets;
type = systemdUtils.types.initrdTargets;
description = "Definition of systemd target units.";
};
@ -244,28 +244,28 @@ in {
sockets = mkOption {
default = {};
type = systemdUtils.types.sockets;
type = systemdUtils.types.initrdSockets;
visible = false;
description = "Definition of systemd socket units.";
};
timers = mkOption {
default = {};
type = systemdUtils.types.timers;
type = systemdUtils.types.initrdTimers;
visible = false;
description = "Definition of systemd timer units.";
};
paths = mkOption {
default = {};
type = systemdUtils.types.paths;
type = systemdUtils.types.initrdPaths;
visible = false;
description = "Definition of systemd path units.";
};
mounts = mkOption {
default = [];
type = systemdUtils.types.mounts;
type = systemdUtils.types.initrdMounts;
visible = false;
description = ''
Definition of systemd mount units.