Olympus/system-config/services/containers/gitlab/default.nix

{ config, lib, pkgs, ... }: {

    options.sysconfig.opts.virtualization.gitlab.enable = lib.options.mkOption {
        type = lib.types.bool;
        default = false;
    };

    config = lib.mkIf config.sysconfig.opts.virtualization.gitlab.enable {

        sops.secrets."gitlab/db_pass" = {
            owner = "sshd";
        };
        sops.secrets."gitlab/root_pass" = {
            owner = "sshd";
        };
        sops.secrets."gitlab/secrets/secret" = {
            owner = "sshd";
        };
        sops.secrets."gitlab/secrets/otp" = {
            owner = "sshd";
        };
        sops.secrets."gitlab/secrets/db" = {
            owner = "sshd";
        };
        sops.secrets."gitlab/secrets/jws" = {
            owner = "sshd";
        };
        sops.secrets."gitlab/oidc/id" = {
            owner = "sshd";
        };
        sops.secrets."gitlab/oidc/secret" = {
            owner = "sshd";
        };

        containers.gitlab = {

            autoStart = true;
            privateNetwork = true;
            hostAddress = "192.168.100.10";
            localAddress = "192.168.100.16";
            bindMounts = {
                "/etc/gitlab/data" = {
                    hostPath = "/ssd1/Gitlab/data";
                    isReadOnly = false;
                };
                "/etc/gitlab/dbpass" = {
                    hostPath = config.sops.secrets."gitlab/db_pass".path;
                    isReadOnly = false;
                };
                "/etc/gitlab/rootpass" = {
                    hostPath = config.sops.secrets."gitlab/root_pass".path;
                    isReadOnly = false;
                };
                "/etc/gitlab/db" = {
                    hostPath = config.sops.secrets."gitlab/secrets/db".path;
                    isReadOnly = false;
                };
                "/etc/gitlab/secret" = {
                    hostPath = config.sops.secrets."gitlab/secrets/secret".path;
                    isReadOnly = false;
                };
                "/etc/gitlab/jws" = {
                    hostPath = config.sops.secrets."gitlab/secrets/jws".path;
                    isReadOnly = false;
                };
                "/etc/gitlab/otp" = {
                    hostPath = config.sops.secrets."gitlab/secrets/otp".path;
                    isReadOnly = false;
                };
                "/etc/gitlab/oidc-id" = {
                    hostPath = config.sops.secrets."gitlab/oidc/id".path;
                    isReadOnly = false;
                };
                "/etc/gitlab/oidc-secret" = {
                    hostPath = config.sops.secrets."gitlab/oidc/secret".path;
                    isReadOnly = false;
                };
            };
            config = {

                systemd.tmpfiles.rules = [
                    "z /etc/gitlab/dbpass - gitlab gitlab"
                    "z /etc/gitlab/rootpass - gitlab gitlab"
                    "z /etc/gitlab/db - gitlab gitlab"
                    "z /etc/gitlab/secret - gitlab gitlab"
                    "z /etc/gitlab/jws - gitlab gitlab"
                    "z /etc/gitlab/otp - gitlab gitlab"
                ];
                
                services.gitlab = {
                    enable = true;
                    #https = true;
                    #port = 443;
                    #host = "localhost";
                    databasePasswordFile = "/etc/gitlab/dbpass";
                    initialRootPasswordFile = "/etc/gitlab/rootpass";

                    extraEnv = {
                        OIDC_CLIENT_ID = builtins.readFile "/etc/gitlab/oidc-id";
                        OIDC_CLIENT_SECRET = builtins.readFile "/etc/gitlab/oidc-secret";
                    };

                    secrets = {
                        secretFile = "/etc/gitlab/secret";
                        otpFile = "/etc/gitlab/otp";
                        dbFile = "/etc/gitlab/db";
                        jwsFile = "/etc/gitlab/jws";
                    };

                    extraGitlabRb = ''
gitlab_rails['omniauth_allow_single_sign_on'] = ['openid_connect']
gitlab_rails['omniauth_sync_email_from_provider'] = 'openid_connect'
gitlab_rails['omniauth_sync_profile_from_provider'] = ['openid_connect']
gitlab_rails['omniauth_sync_profile_attributes'] = ['email']
gitlab_rails['omniauth_auto_sign_in_with_provider'] = 'openid_connect'
gitlab_rails['omniauth_block_auto_created_users'] = false
gitlab_rails['omniauth_auto_link_saml_user'] = true
gitlab_rails['omniauth_auto_link_user'] = ["openid_connect"]
gitlab_rails['omniauth_providers'] = [
  {
    name: 'openid_connect',
    label: 'My Company OIDC Login',
    args: {
      name: 'openid_connect',
      scope: ['openid','profile','email'],
      response_type: 'code',
      issuer: 'https://auth.blunkall.us/application/o/gitlab/',
      discovery: true,
      client_auth_method: 'query',
      uid_field: 'preferred_username',
      send_scope_to_token_endpoint: 'true',
      pkce: true,
      client_options: {
        identifier: '$${OIDC_CLIENT_ID}',
        secret: '$${OIDC_CLIENT_SECRET}',
        redirect_uri: 'https://gitlab.blunkall.us/users/auth/openid_connect/callback'
      }
    }
  }
]
                    '';
                };
                services.nginx = {
                    enable = true;
                    recommendedProxySettings = true;
                    virtualHosts = {
                        localhost = {
                            locations."/".proxyPass = "http://unix:/run/gitlab/gitlab-workhorse.socket";
                        };
                    };
                };

                services.openssh.enable = true;

                systemd.services.gitlab-backup.environment.BACKUP = "dump";


                networking.firewall.allowedTCPPorts = [ 22 80 443 ];

                system.stateVersion = "24.05";
            };
        };
    };
}