Files
nixconfig/modules/server/containers/default.nix
2026-05-10 21:39:12 +02:00

75 lines
2.6 KiB
Nix

{ config, pkgs, lib, ... }:
let
serverCfg = config.syscfg.server;
builder = import ./builder.nix { inherit config lib pkgs serverCfg; };
enabledConfigs = lib.filterAttrs (name: c: c.enable) serverCfg.containers;
containerSetsList = lib.mapAttrsToList (name: containerCfg:
let apps = import (./apps + "/${name}.nix") {inherit config pkgs lib containerCfg builder name;};
in{
name = name;
containers = lib.mapAttrs' (cName: cValue:
lib.nameValuePair "${name}-${cName}" cValue
) apps.containers;
paths = apps.paths or [];
setup = apps.setup or null;
cron = apps.cron or [];
}
) enabledConfigs;
mergedContainers = lib.attrsets.mergeAttrsList (lib.map(e: e.containers) containerSetsList);
allPathConfigs = lib.flatten (lib.map (e: e.paths) containerSetsList);
allCronsConfigs = lib.flatten (lib.map (e: e.cron or []) containerSetsList);
in
{
config = lib.mkIf ( enabledConfigs != {} ) {
virtualisation.oci-containers = {
backend = "podman";
containers = mergedContainers;
};
system.activationScripts.container-setup-dirs = {
deps = [ "users" "groups" ];
text = lib.concatStringsSep "\n" (map (cfg: ''
${pkgs.coreutils}/bin/mkdir -p "${cfg.path}"
${pkgs.coreutils}/bin/chown ${cfg.owner} "${cfg.path}"
${pkgs.coreutils}/bin/chmod ${cfg.mode} "${cfg.path}"
'') allPathConfigs);
};
systemd.services = {
podman-gc = {
description = "Podman garbage collection";
serviceConfig.Type = "oneshot";
script = ''
${pkgs.podman}/bin/podman container prune -f
${pkgs.podman}/bin/podman image prune -f
'';
startAt = "weekly";
};
} // lib.listToAttrs (lib.concatMap (containerSet:
if containerSet.setup != null then [{
name = "${containerSet.name}-setup";
value = {
description = "Run ${containerSet.name} setup";
after = [ "podman-${containerSet.name}-${containerSet.setup.trigger}.service" ];
wants = [ "podman-${containerSet.name}-${containerSet.setup.trigger}.service" ];
wantedBy = [ "multi-user.target" ];
serviceConfig = {
Type = "oneshot";
TimeoutStartSec = "360s";
EnvironmentFile = lib.mkIf (containerSet.setup.envFile != null) containerSet.setup.envFile;
ExecStart = "${containerSet.setup.script}";
RemainAfterExit = true;
User = "root";
};
};
}] else []
) containerSetsList);
services.cron = {
enable = true;
systemCronJobs = allCronsConfigs;
};
};
}