Files
nixconfig/modules/server/containers/default.nix

78 lines
2.8 KiB
Nix

{ config, pkgs, lib, ... }:
let
serverCfg = config.syscfg.server;
builder = import ./builder.nix { inherit config lib pkgs serverCfg; };
in{
config = lib.mkMerge [{
syscfg.server.loadedContainers = lib.mapAttrs (name: containerCfg:
(import (./apps + "/${name}.nix")) { inherit config pkgs lib containerCfg builder name; }
) config.syscfg.server.containers;
} (lib.mkIf ( serverCfg.containers != {} ) (
let
appsList = builtins.attrValues config.syscfg.server.loadedContainers;
mergedContainers = lib.concatMapAttrs (appName: app:
lib.mapAttrs' (cName: cCfg: lib.nameValuePair "${appName}-${cName}" cCfg) app.containers
) config.syscfg.server.loadedContainers;
allPathConfigs = lib.concatMap (app: app.paths) appsList;
allCronsConfigs = lib.concatMap (app: app.cron) appsList;
in{
virtualisation.oci-containers = {
backend = "podman";
containers = mergedContainers;
};
system.activationScripts.container-setup-dirs = {
deps = [ "users" "groups" ];
text = lib.concatStringsSep "\n" (map (cfg:
let
effectiveCfg = {
owner = "root:root";
mode = "0400";
} // cfg;
in ''
${pkgs.coreutils}/bin/mkdir -p "${effectiveCfg.path}"
${pkgs.coreutils}/bin/chown ${effectiveCfg.owner} "${effectiveCfg.path}"
${pkgs.coreutils}/bin/chmod ${effectiveCfg.mode} "${effectiveCfg.path}"
'') allPathConfigs);
};
systemd.services = {
podman-gc = {
description = "Podman garbage collection";
serviceConfig.Type = "oneshot";
script = ''
${pkgs.podman}/bin/podman container prune -f
${pkgs.podman}/bin/podman image prune -f
'';
startAt = "weekly";
};
} // lib.listToAttrs (lib.concatMap (containerSet:
if containerSet.setup.script != null then [{
name = "${containerSet.name}-setup";
value = {
description = "Run ${containerSet.name} setup";
after = [ "podman-${containerSet.name}-${containerSet.setup.trigger}.service" ];
wants = [ "podman-${containerSet.name}-${containerSet.setup.trigger}.service" ];
wantedBy = [ "multi-user.target" ];
serviceConfig = {
Type = "oneshot";
TimeoutStartSec = "360s";
EnvironmentFile = if (containerSet.setup ? envFile) then containerSet.setup.envFile else [ ];
ExecStart = "${containerSet.setup.script}";
RemainAfterExit = true;
User = "root";
};
};
}] else []
) appsList);
services.cron = {
enable = true;
systemCronJobs = allCronsConfigs;
};
}))];
}