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nixos/systemd: allow using writeShellApplication for systemd unit scripts

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r-vdp 2023-11-30 10:54:09 +01:00
parent 509b099fd4
commit 2b224f0e3c
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4 changed files with 72 additions and 13 deletions
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45
nixos/lib/systemd-unit-options.nix
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@ -17,6 +17,7 @@ let
concatMap
filterOverrides
isList
literalExpression
mergeEqualOption
mkIf
mkMerge
@ -357,6 +358,14 @@ in rec {
'';
};
enableStrictShellChecks = mkOption {
type = types.bool;
description = "Enable running shellcheck on the generated scripts for this unit.";
# The default gets set in systemd-lib.nix because we don't have access to
# the full NixOS config here.
defaultText = literalExpression "config.systemd.enableStrictShellChecks";
};
script = mkOption {
type = types.lines;
default = "";
@ -428,27 +437,51 @@ in rec {
config = mkMerge [
(mkIf (config.preStart != "") rec {
jobScripts = makeJobScript "${name}-pre-start" config.preStart;
jobScripts = makeJobScript {
name = "${name}-pre-start";
text = config.preStart;
inherit (config) enableStrictShellChecks;
};
serviceConfig.ExecStartPre = [ jobScripts ];
})
(mkIf (config.script != "") rec {
jobScripts = makeJobScript "${name}-start" config.script;
jobScripts = makeJobScript {
name = "${name}-start";
text = config.script;
inherit (config) enableStrictShellChecks;
};
serviceConfig.ExecStart = jobScripts + " " + config.scriptArgs;
})
(mkIf (config.postStart != "") rec {
jobScripts = (makeJobScript "${name}-post-start" config.postStart);
jobScripts = makeJobScript {
name = "${name}-post-start";
text = config.postStart;
inherit (config) enableStrictShellChecks;
};
serviceConfig.ExecStartPost = [ jobScripts ];
})
(mkIf (config.reload != "") rec {
jobScripts = makeJobScript "${name}-reload" config.reload;
jobScripts = makeJobScript {
name = "${name}-reload";
text = config.reload;
inherit (config) enableStrictShellChecks;
};
serviceConfig.ExecReload = jobScripts;
})
(mkIf (config.preStop != "") rec {
jobScripts = makeJobScript "${name}-pre-stop" config.preStop;
jobScripts = makeJobScript {
name = "${name}-pre-stop";
text = config.preStop;
inherit (config) enableStrictShellChecks;
};
serviceConfig.ExecStop = jobScripts;
})
(mkIf (config.postStop != "") rec {
jobScripts = makeJobScript "${name}-post-stop" config.postStop;
jobScripts = makeJobScript {
name = "${name}-post-stop";
text = config.postStop;
inherit (config) enableStrictShellChecks;
};
serviceConfig.ExecStopPost = jobScripts;
})
];