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nixos/podman: add autoPrune option

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This commit is contained in:
Felix Buehler 2022-12-24 11:58:27 +01:00
parent b139bf1c47
commit 6617511200
1 changed files with 48 additions and 0 deletions
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48
nixos/modules/virtualisation/podman/default.nix
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@ -109,6 +109,37 @@ in
'';
};
autoPrune = {
enable = mkOption {
type = types.bool;
default = false;
description = lib.mdDoc ''
Whether to periodically prune Podman resources. If enabled, a
systemd timer will run `podman system prune -f`
as specified by the `dates` option.
'';
};
flags = mkOption {
type = types.listOf types.str;
default = [];
example = [ "--all" ];
description = lib.mdDoc ''
Any additional flags passed to {command}`podman system prune`.
'';
};
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 = lib.mkOption {
type = types.package;
default = podmanPackage;
@ -151,6 +182,23 @@ in
ExecStart = [ "" "${cfg.package}/bin/podman $LOGGING system service" ];
};
systemd.services.podman-prune = {
description = "Prune podman resources";
restartIfChanged = false;
unitConfig.X-StopOnRemoval = false;
serviceConfig.Type = "oneshot";
script = ''
${cfg.package}/bin/podman system prune -f ${toString cfg.autoPrune.flags}
'';
startAt = lib.optional cfg.autoPrune.enable cfg.autoPrune.dates;
after = [ "podman.service" ];
requires = [ "podman.service" ];
};
systemd.sockets.podman.wantedBy = [ "sockets.target" ];
systemd.sockets.podman.socketConfig.SocketGroup = "podman";