108 lines
3.4 KiB
Nix
108 lines
3.4 KiB
Nix
# This runs to two scenarios but in one tests:
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# - A post-sysinit service needs to be restarted AFTER tmpfiles was restarted.
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# - A service needs to be restarted BEFORE tmpfiles is restarted
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{ lib, ... }:
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let
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makeGeneration = generation: {
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"${generation}".configuration = {
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systemd.services.pre-sysinit-before-tmpfiles.environment.USER =
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lib.mkForce "${generation}-tmpfiles-user";
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systemd.services.pre-sysinit-after-tmpfiles.environment = {
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NEEDED_PATH = lib.mkForce "/run/${generation}-needed-by-pre-sysinit-after-tmpfiles";
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PATH_TO_CREATE = lib.mkForce "/run/${generation}-needed-by-post-sysinit";
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};
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systemd.services.post-sysinit.environment = {
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NEEDED_PATH = lib.mkForce "/run/${generation}-needed-by-post-sysinit";
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PATH_TO_CREATE = lib.mkForce "/run/${generation}-created-by-post-sysinit";
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};
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systemd.tmpfiles.settings.test = lib.mkForce {
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"/run/${generation}-needed-by-pre-sysinit-after-tmpfiles".f.user =
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"${generation}-tmpfiles-user";
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};
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};
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};
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in
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{
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name = "sysinit-reactivation";
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meta.maintainers = with lib.maintainers; [ nikstur ];
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nodes.machine = { config, lib, pkgs, ... }: {
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systemd.services.pre-sysinit-before-tmpfiles = {
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wantedBy = [ "sysinit.target" ];
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requiredBy = [ "sysinit-reactivation.target" ];
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before = [ "systemd-tmpfiles-setup.service" "systemd-tmpfiles-resetup.service" ];
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unitConfig.DefaultDependencies = false;
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serviceConfig.Type = "oneshot";
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serviceConfig.RemainAfterExit = true;
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environment.USER = "tmpfiles-user";
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script = "${pkgs.shadow}/bin/useradd $USER";
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};
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systemd.services.pre-sysinit-after-tmpfiles = {
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wantedBy = [ "sysinit.target" ];
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requiredBy = [ "sysinit-reactivation.target" ];
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after = [ "systemd-tmpfiles-setup.service" "systemd-tmpfiles-resetup.service" ];
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unitConfig.DefaultDependencies = false;
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serviceConfig.Type = "oneshot";
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serviceConfig.RemainAfterExit = true;
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environment = {
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NEEDED_PATH = "/run/needed-by-pre-sysinit-after-tmpfiles";
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PATH_TO_CREATE = "/run/needed-by-post-sysinit";
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};
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script = ''
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if [[ -e $NEEDED_PATH ]]; then
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touch $PATH_TO_CREATE
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fi
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'';
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};
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systemd.services.post-sysinit = {
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wantedBy = [ "default.target" ];
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serviceConfig.Type = "oneshot";
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serviceConfig.RemainAfterExit = true;
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environment = {
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NEEDED_PATH = "/run/needed-by-post-sysinit";
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PATH_TO_CREATE = "/run/created-by-post-sysinit";
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};
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script = ''
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if [[ -e $NEEDED_PATH ]]; then
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touch $PATH_TO_CREATE
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fi
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'';
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};
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systemd.tmpfiles.settings.test = {
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"/run/needed-by-pre-sysinit-after-tmpfiles".f.user =
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"tmpfiles-user";
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};
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specialisation = lib.mkMerge [
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(makeGeneration "second")
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(makeGeneration "third")
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];
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};
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testScript = { nodes, ... }: ''
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def switch(generation):
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toplevel = "${nodes.machine.system.build.toplevel}";
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machine.succeed(f"{toplevel}/specialisation/{generation}/bin/switch-to-configuration switch")
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machine.wait_for_unit("default.target")
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machine.succeed("test -e /run/created-by-post-sysinit")
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switch("second")
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machine.succeed("test -e /run/second-created-by-post-sysinit")
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switch("third")
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machine.succeed("test -e /run/third-created-by-post-sysinit")
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'';
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}
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