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  1.  
  2. { pkgs, config, lib, ... }:
  3. {
  4. imports = [
  5. ../../nixos-modules/common.nix
  6. ];
  8. boot.kernelPackages = pkgs.linuxPackages_latest;
  10. virtualisation.docker = {
  11. enable = true;
  12. # Clean docker images periodically
  13. autoPrune = {
  14. enable = true;
  15. # Do not only remove "dangling" images (orphaned layers)
  16. # Also remove unused
  17. flags = [ "--all" ];
  18. };
  19. };
  21. services.gitlab-runner = {
  22. enable = true;
  23. configFile = ./config.toml;
  24. };
  26. services.cron = {
  27. enable = true;
  28. systemCronJobs = [
  29. "@hourly root ${pkgs.docker-gc}/bin/docker-gc"
  30. ];
  31. };
  33. systemd.services.gitlab-runner-cache = {
  34. description = "Create gitlab-runner cache directory";
  35. before = [ "gitlab-runner.service" ];
  36. wantedBy = [ "multi-user.target" ];
  37. serviceConfig.Type = "oneshot";
  38. script = ''
  39. # Create cache dir next to gitlab workdir
  40. mkdir -p "/var/db/gitlab-runner-cache"
  41. chown -R "gitlab-runner":"gitlab-runner" "/var/db/gitlab-runner-cache"
  42. '';
  43. };
  45. networking.hostName = "ci.peterhk.com";
  46. nix.buildMachines = [
  47. { hostName = "localhost";
  48. system = "x86_64-linux";
  49. supportedFeatures = ["kvm" "nixos-test" "big-parallel" "benchmark"];
  50. maxJobs = 8;
  51. }
  52. ];
  53. }
  54.  
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