nixos/modules/services/version_tracker.nix
Jake Hillion ceab3b50a8
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version_tracker: switch to main
2023-09-10 14:19:45 +01:00

81 lines
2.4 KiB
Nix

{ config, pkgs, lib, ... }:
let
cfg = config.custom.services.version_tracker;
in
{
options.custom.services.version_tracker = {
enable = lib.mkEnableOption "version_tracker";
};
config = lib.mkIf cfg.enable {
age.secrets."version_tracker/ssh.key".file = ../../secrets/version_tracker/ssh.key.age;
systemd.services.version_tracker = {
description = "NixOS version tracker.";
serviceConfig = {
DynamicUser = true;
CacheDirectory = "version_tracker";
WorkingDirectory = "%C/version_tracker";
LoadCredential = "id_ecdsa:${config.age.secrets."version_tracker/ssh.key".path}";
};
environment = {
GIT_SSH_COMMAND = "${pkgs.openssh}/bin/ssh -i %d/id_ecdsa";
};
script = with pkgs; ''
PORT=30653
if ! test -d repo/.git; then
${git}/bin/git clone git@ssh.gitea.hillion.co.uk:JakeHillion/nixos.git repo
fi
cd repo
${git}/bin/git fetch
${git}/bin/git switch --detach origin/main
code=0
for path in hosts/*
do
hostname=''${path##*/}
if test -f "hosts/$hostname/darwin"; then continue; fi
if rev=$(${curl}/bin/curl -s --connect-timeout 15 http://$hostname:30653/current/nixos/system/configurationRevision); then
echo "$hostname: $rev (current)"
if ${git}/bin/git tag -f "current/$hostname" "$rev"; then
${git}/bin/git push -f origin "current/$hostname"
else
echo "WARNING: $hostname points to invalid ref!"
fi
else
echo "$hostname: failed to reach"
fi
if rev=$(${curl}/bin/curl -s --connect-timeout 15 http://$hostname:30653/booted/nixos/system/configurationRevision); then
echo "$hostname: $rev (booted)"
if ${git}/bin/git tag -f "booted/$hostname" "$rev"; then
${git}/bin/git push -f origin "booted/$hostname"
else
echo "WARNING: $hostname points to invalid ref!"
fi
else
echo "$hostname: failed to reach"
fi
done
'';
};
systemd.timers.version_tracker = {
wantedBy = [ "timers.target" ];
timerConfig = {
OnBootSec = "5m";
OnUnitInactiveSec = "15m";
Unit = "version_tracker.service";
};
};
};
}