123 lines
4 KiB
Nix
123 lines
4 KiB
Nix
{
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config,
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pkgs,
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lib,
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...
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}:
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with lib; let
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name = "gitlab_runner";
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cfg = config.services.skynet."${name}";
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in {
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imports = [
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];
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options.services.skynet."${name}" = {
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enable = mkEnableOption "Skynet Gitlab Runner";
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runner = {
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name = mkOption {
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type = types.str;
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};
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gitlab = mkOption {
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default = "https://gitlab.skynet.ie";
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type = types.str;
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};
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description = mkOption {
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default = cfg.runner.name;
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type = types.str;
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};
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docker = {
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image = mkOption {
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default = "alpine:latest";
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type = types.str;
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};
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cleanup_dates = mkOption {
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# https://man.archlinux.org/man/systemd.time.7#CALENDAR_EVENTS
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# it will use a lot of storage so clear it daily, may change to hourly if required
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default = "daily";
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type = types.str;
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};
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};
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};
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};
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config = mkIf cfg.enable {
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# https://search.nixos.org/options?from=0&size=50&sort=alpha_desc&type=packages&query=services.gitlab-runner.
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environment.systemPackages = [
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pkgs.gitlab-runner
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];
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age.secrets.runner_01_nix.file = ../../secrets/gitlab/runners/runner01.age;
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age.secrets.runner_02_general.file = ../../secrets/gitlab/runners/runner02.age;
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boot.kernel.sysctl."net.ipv4.ip_forward" = true; # 1
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virtualisation.docker.enable = true;
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# taken from https://github.com/NixOS/nixpkgs/issues/245365#issuecomment-1663854128
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virtualisation.docker.listenOptions = ["/run/docker.sock" "127.0.0.1:2375"];
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services.gitlab-runner = {
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enable = true;
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# clear-docker-cache = {
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# enable = true;
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# dates = cfg.runner.docker.cleanup_dates;
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# };
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services = {
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# might make a function later to have multiple runners, might never need it though
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runner_nix = {
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cloneUrl = cfg.runner.gitlab;
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description = "For Nix only";
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registrationFlags = ["--docker-host" "tcp://127.0.0.1:2375"];
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registrationConfigFile = config.age.secrets.runner_01_nix.path;
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dockerImage = cfg.runner.docker.image;
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# from https://nixos.wiki/wiki/Gitlab_runner
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dockerVolumes = [
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"/nix/store:/nix/store:ro"
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"/nix/var/nix/db:/nix/var/nix/db:ro"
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"/nix/var/nix/daemon-socket:/nix/var/nix/daemon-socket:ro"
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];
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dockerDisableCache = true;
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preBuildScript = pkgs.writeScript "setup-container" ''
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mkdir -p -m 0755 /nix/var/log/nix/drvs
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mkdir -p -m 0755 /nix/var/nix/gcroots
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mkdir -p -m 0755 /nix/var/nix/profiles
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mkdir -p -m 0755 /nix/var/nix/temproots
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mkdir -p -m 0755 /nix/var/nix/userpool
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mkdir -p -m 1777 /nix/var/nix/gcroots/per-user
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mkdir -p -m 1777 /nix/var/nix/profiles/per-user
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mkdir -p -m 0755 /nix/var/nix/profiles/per-user/root
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mkdir -p -m 0700 "$HOME/.nix-defexpr"
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. ${pkgs.nix}/etc/profile.d/nix-daemon.sh
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${pkgs.nix}/bin/nix-channel --add https://nixos.org/channels/nixos-unstable nixpkgs
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${pkgs.nix}/bin/nix-channel --update nixpkgs
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${pkgs.nix}/bin/nix-env -i ${concatStringsSep " " (with pkgs; [lix cacert git openssh])}
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nix --version
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'';
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environmentVariables = {
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ENV = "/etc/profile";
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USER = "root";
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NIX_REMOTE = "daemon";
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PATH = "/nix/var/nix/profiles/default/bin:/nix/var/nix/profiles/default/sbin:/bin:/sbin:/usr/bin:/usr/sbin";
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NIX_SSL_CERT_FILE = "/nix/var/nix/profiles/default/etc/ssl/certs/ca-bundle.crt";
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};
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tagList = ["nix"];
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};
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runner_general = {
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cloneUrl = cfg.runner.gitlab;
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description = "General Runner";
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registrationFlags = ["--docker-host" "tcp://127.0.0.1:2375"];
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registrationConfigFile = config.age.secrets.runner_02_general.path;
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dockerImage = cfg.runner.docker.image;
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};
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};
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};
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};
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}
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