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systemd: remove platform assertion
Allow modules to define systemd services on macOS. It won't actually have any effect, but it would allow modules to define both systemd services and launchd agents without boilerplate conditionals. As a consequence of this change, each module would have to check for compatibility with the OS target instead.
This commit is contained in:
midchildan
Robert Helgesson
parent
17dc593930
commit
edb3645383
1 changed files with 64 additions and 94 deletions
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@ -10,16 +10,6 @@ let
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mkPathSafeName =
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lib.replaceStrings [ "@" ":" "\\" "[" "]" ] [ "-" "-" "-" "" "" ];
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enabled = cfg.services != { } # \
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|| cfg.slices != { } # \
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|| cfg.sockets != { } # \
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|| cfg.targets != { } # \
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|| cfg.timers != { } # \
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|| cfg.paths != { } # \
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|| cfg.mounts != { } # \
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|| cfg.automounts != { } # \
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|| cfg.sessionVariables != { };
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toSystemdIni = lib.generators.toINI {
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listsAsDuplicateKeys = true;
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mkKeyValue = key: value:
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@ -239,92 +229,72 @@ in {
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};
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};
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config = mkMerge [
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{
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assertions = [{
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assertion = enabled -> pkgs.stdenv.isLinux;
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message = let
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names = lib.concatStringsSep ", " (lib.attrNames ( # \
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cfg.services # \
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// cfg.slices # \
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// cfg.sockets # \
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// cfg.targets # \
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// cfg.timers # \
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// cfg.paths # \
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// cfg.mounts # \
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// cfg.sessionVariables));
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in "Must use Linux for modules that require systemd: " + names;
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}];
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}
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# If we run under a Linux system we assume that systemd is
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# available, in particular we assume that systemctl is in PATH.
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# Do not install any user services if username is root.
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config = mkIf (pkgs.stdenv.isLinux && config.home.username != "root") {
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xdg.configFile = mkMerge [
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(lib.listToAttrs ((buildServices "service" cfg.services)
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++ (buildServices "slice" cfg.slices)
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++ (buildServices "socket" cfg.sockets)
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++ (buildServices "target" cfg.targets)
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++ (buildServices "timer" cfg.timers)
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++ (buildServices "path" cfg.paths)
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++ (buildServices "mount" cfg.mounts)
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++ (buildServices "automount" cfg.automounts)))
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# If we run under a Linux system we assume that systemd is
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# available, in particular we assume that systemctl is in PATH.
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# Do not install any user services if username is root.
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(mkIf (pkgs.stdenv.isLinux && config.home.username != "root") {
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xdg.configFile = mkMerge [
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(lib.listToAttrs ((buildServices "service" cfg.services)
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++ (buildServices "slice" cfg.slices)
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++ (buildServices "socket" cfg.sockets)
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++ (buildServices "target" cfg.targets)
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++ (buildServices "timer" cfg.timers)
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++ (buildServices "path" cfg.paths)
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++ (buildServices "mount" cfg.mounts)
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++ (buildServices "automount" cfg.automounts)))
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sessionVariables
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];
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sessionVariables
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];
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# Run systemd service reload if user is logged in. If we're
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# running this from the NixOS module then XDG_RUNTIME_DIR is not
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# set and systemd commands will fail. We'll therefore have to
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# set it ourselves in that case.
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home.activation.reloadSystemd = hm.dag.entryAfter [ "linkGeneration" ]
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(let
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cmd = {
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suggest = ''
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PATH=${dirOf cfg.systemctlPath}:$PATH \
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bash ${./systemd-activate.sh} "''${oldGenPath=}" "$newGenPath"
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'';
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legacy = ''
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PATH=${dirOf cfg.systemctlPath}:$PATH \
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${pkgs.ruby}/bin/ruby ${./systemd-activate.rb} \
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"''${oldGenPath=}" "$newGenPath" "${servicesStartTimeoutMs}"
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'';
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sd-switch = let
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timeoutArg = if cfg.servicesStartTimeoutMs != 0 then
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"--timeout " + servicesStartTimeoutMs
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else
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"";
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in ''
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${pkgs.sd-switch}/bin/sd-switch \
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''${DRY_RUN:+--dry-run} $VERBOSE_ARG ${timeoutArg} \
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''${oldGenPath:+--old-units $oldGenPath/home-files/.config/systemd/user} \
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--new-units $newGenPath/home-files/.config/systemd/user
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'';
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};
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ensureRuntimeDir =
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"XDG_RUNTIME_DIR=\${XDG_RUNTIME_DIR:-/run/user/$(id -u)}";
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systemctl = "${ensureRuntimeDir} ${cfg.systemctlPath}";
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in ''
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systemdStatus=$(${systemctl} --user is-system-running 2>&1 || true)
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if [[ $systemdStatus == 'running' || $systemdStatus == 'degraded' ]]; then
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if [[ $systemdStatus == 'degraded' ]]; then
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warnEcho "The user systemd session is degraded:"
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${systemctl} --user --no-pager --state=failed
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warnEcho "Attempting to reload services anyway..."
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fi
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${ensureRuntimeDir} \
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${getAttr cfg.startServices cmd}
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# Run systemd service reload if user is logged in. If we're
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# running this from the NixOS module then XDG_RUNTIME_DIR is not
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# set and systemd commands will fail. We'll therefore have to
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# set it ourselves in that case.
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home.activation.reloadSystemd = hm.dag.entryAfter [ "linkGeneration" ] (let
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cmd = {
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suggest = ''
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PATH=${dirOf cfg.systemctlPath}:$PATH \
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bash ${./systemd-activate.sh} "''${oldGenPath=}" "$newGenPath"
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'';
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legacy = ''
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PATH=${dirOf cfg.systemctlPath}:$PATH \
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${pkgs.ruby}/bin/ruby ${./systemd-activate.rb} \
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"''${oldGenPath=}" "$newGenPath" "${servicesStartTimeoutMs}"
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'';
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sd-switch = let
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timeoutArg = if cfg.servicesStartTimeoutMs != 0 then
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"--timeout " + servicesStartTimeoutMs
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else
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echo "User systemd daemon not running. Skipping reload."
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fi
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"";
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in ''
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${pkgs.sd-switch}/bin/sd-switch \
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''${DRY_RUN:+--dry-run} $VERBOSE_ARG ${timeoutArg} \
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''${oldGenPath:+--old-units $oldGenPath/home-files/.config/systemd/user} \
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--new-units $newGenPath/home-files/.config/systemd/user
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'';
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};
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unset systemdStatus
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'');
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})
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];
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ensureRuntimeDir =
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"XDG_RUNTIME_DIR=\${XDG_RUNTIME_DIR:-/run/user/$(id -u)}";
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systemctl = "${ensureRuntimeDir} ${cfg.systemctlPath}";
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in ''
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systemdStatus=$(${systemctl} --user is-system-running 2>&1 || true)
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if [[ $systemdStatus == 'running' || $systemdStatus == 'degraded' ]]; then
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if [[ $systemdStatus == 'degraded' ]]; then
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warnEcho "The user systemd session is degraded:"
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${systemctl} --user --no-pager --state=failed
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warnEcho "Attempting to reload services anyway..."
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fi
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${ensureRuntimeDir} \
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${getAttr cfg.startServices cmd}
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else
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echo "User systemd daemon not running. Skipping reload."
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fi
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unset systemdStatus
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'');
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};
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}
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