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nixos/gitlab-runner: Add gitlab-runner.clear-docker-cache service

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This commit is contained in:
Robert Kovacsics 2022-09-29 11:44:40 +01:00
parent 5457fdf273
commit c8eae7a526
1 changed files with 53 additions and 0 deletions
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53
nixos/modules/services/continuous-integration/gitlab-runner.nix
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@ -453,6 +453,43 @@ in
};
});
};
clear-docker-cache = {
enable = mkOption {
type = types.bool;
default = false;
description = lib.mdDoc ''
Whether to periodically prune gitlab runner's Docker resources. If
enabled, a systemd timer will run {command}`clear-docker-cache` as
specified by the `dates` option.
'';
};
flags = mkOption {
type = types.listOf types.str;
default = [ ];
example = [ "prune" ];
description = lib.mdDoc ''
Any additional flags passed to {command}`clear-docker-cache`.
'';
};
dates = mkOption {
default = "weekly";
type = types.str;
description = lib.mdDoc ''
Specification (in the format described by
{manpage}`systemd.time(7)`) of the time at
which the prune will occur.
'';
};
package = mkOption {
default = config.virtualisation.docker.package;
defaultText = literalExpression "config.virtualisation.docker.package";
example = literalExpression "pkgs.docker";
description = lib.mdDoc "Docker package to use for clearing up docker cache.";
};
};
};
config = mkIf cfg.enable {
warnings = (mapAttrsToList
@ -497,6 +534,22 @@ in
KillMode = "process";
};
};
# Enable periodic clear-docker-cache script
systemd.services.gitlab-runner-clear-docker-cache = {
description = "Prune gitlab-runner docker resources";
restartIfChanged = false;
unitConfig.X-StopOnRemoval = false;
serviceConfig.Type = "oneshot";
path = [ cfg.clear-docker-cache.package pkgs.gawk ];
script = ''
${pkgs.gitlab-runner}/bin/clear-docker-cache ${toString cfg.clear-docker-cache.flags}
'';
startAt = optional cfg.clear-docker-cache.enable cfg.clear-docker-cache.dates;
};
# Enable docker if `docker` executor is used in any service
virtualisation.docker.enable = mkIf (
any (s: s.executor == "docker") (attrValues cfg.services)