85 lines
2.2 KiB
Nix
85 lines
2.2 KiB
Nix
{ config, pkgs, lib, ... }:
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let
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cfg = config.custom.services.version_tracker;
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in
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{
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options.custom.services.version_tracker = {
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enable = lib.mkEnableOption "version_tracker";
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path = lib.mkOption {
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type = lib.types.str;
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default = "/var/cache/version_tracker";
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};
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};
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config = lib.mkIf cfg.enable {
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users.groups.version_tracker = { };
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users.users.version_tracker = {
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home = cfg.path;
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createHome = true;
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isSystemUser = true;
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group = "version_tracker";
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};
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age.secrets."version_tracker/ssh.key" = {
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file = ../../secrets/version_tracker/ssh.key.age;
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owner = "version_tracker";
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group = "version_tracker";
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};
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systemd.services.version_tracker = {
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description = "NixOS version tracker.";
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environment = {
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GIT_SSH_COMMAND = "${pkgs.openssh}/bin/ssh -i ${config.age.secrets."version_tracker/ssh.key".path}";
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};
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preStart = with pkgs; ''
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if ! test -d repo/.git; then
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${git}/bin/git clone git@ssh.gitea.hillion.co.uk:JakeHillion/nixos.git repo
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fi
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cd repo
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${git}/bin/git fetch
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'';
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script = with pkgs; ''
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PORT=30653
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cd repo
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code=0
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for path in hosts/*
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do
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hostname=''${path##*/}
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if test -f "hosts/$hostname/darwin"; then continue; fi
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if rev=$(${curl}/bin/curl -s --connect-timeout 15 http://$hostname:30653/nixos/system/configurationRevision); then
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echo "$hostname: $rev"
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if ! ${git}/bin/git tag -f "live/$hostname" $rev; then
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echo "WARNING: $hostname points to invalid ref!"
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continue
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fi
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${git}/bin/git push -f origin "live/$hostname"
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else
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echo "$hostname: failed to reach"
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fi
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done
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'';
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serviceConfig = {
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User = "version_tracker";
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Group = "version_tracker";
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WorkingDirectory = cfg.path;
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};
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};
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systemd.timers.version_tracker = {
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wantedBy = [ "timers.target" ];
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timerConfig = {
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OnBootSec = "5m";
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OnUnitInactiveSec = "15m";
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Unit = "version_tracker.service";
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};
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};
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};
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}
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