Add new GitLab runner for gitlab.bsc.es

It uses docker based on alpine and the host nix store, so we can perform
builds but isolate them from the system.

m/hut/gitlab-runner.nix

@@ -1,8 +1,9 @@
 { pkgs, lib, config, ... }:
 
 {
-  age.secrets.gitlabRunnerShellToken.file = ../../secrets/gitlab-runner-shell-token.age;
-  age.secrets.gitlabRunnerDockerToken.file = ../../secrets/gitlab-runner-docker-token.age;
+  age.secrets.gitlab-pm-shell.file = ../../secrets/gitlab-runner-shell-token.age;
+  age.secrets.gitlab-pm-docker.file = ../../secrets/gitlab-runner-docker-token.age;
+  age.secrets.gitlab-bsc-docker.file = ../../secrets/gitlab-bsc-docker-token.age;
 
   services.gitlab-runner = {
     enable = true;
@@ -28,10 +29,65 @@
     in {
       # For pm.bsc.es/gitlab
       gitlab-pm-shell = common-shell // {
-        authenticationTokenConfigFile = config.age.secrets.gitlabRunnerShellToken.path;
+        authenticationTokenConfigFile = config.age.secrets.gitlab-pm-shell.path;
       };
       gitlab-pm-docker = common-docker // {
-        authenticationTokenConfigFile = config.age.secrets.gitlabRunnerDockerToken.path;
+        authenticationTokenConfigFile = config.age.secrets.gitlab-pm-docker.path;
+      };
+
+      gitlab-bsc-docker = {
+        # gitlab.bsc.es still uses the old token mechanism
+        registrationConfigFile = config.age.secrets.gitlab-bsc-docker.path;
+        environmentVariables = {
+          https_proxy = "http://localhost:23080";
+          http_proxy = "http://localhost:23080";
+        };
+        # FIXME
+        registrationFlags = [
+          "--docker-network-mode host"
+        ];
+        executor = "docker";
+        dockerImage = "alpine";
+        dockerVolumes = [
+          "/nix/store:/nix/store:ro"
+          "/nix/var/nix/db:/nix/var/nix/db:ro"
+          "/nix/var/nix/daemon-socket:/nix/var/nix/daemon-socket:ro"
+        ];
+        dockerDisableCache = true;
+        preBuildScript = pkgs.writeScript "setup-container" ''
+          mkdir -p -m 0755 /nix/var/log/nix/drvs
+          mkdir -p -m 0755 /nix/var/nix/gcroots
+          mkdir -p -m 0755 /nix/var/nix/profiles
+          mkdir -p -m 0755 /nix/var/nix/temproots
+          mkdir -p -m 0755 /nix/var/nix/userpool
+          mkdir -p -m 1777 /nix/var/nix/gcroots/per-user
+          mkdir -p -m 1777 /nix/var/nix/profiles/per-user
+          mkdir -p -m 0755 /nix/var/nix/profiles/per-user/root
+          mkdir -p -m 0700 "$HOME/.nix-defexpr"
+          mkdir -p -m 0700 "$HOME/.ssh"
+          cat > "$HOME/.ssh/config" << EOF
+          Host bscpm03.bsc.es gitlab-internal.bsc.es
+            User git
+            ProxyCommand nc -X connect -x hut:23080 %h %p
+          Host amdlogin1.bsc.es armlogin1.bsc.es hualogin1.bsc.es glogin1.bsc.es glogin2.bsc.es fpgalogin1.bsc.es
+            ProxyCommand nc -X connect -x hut:23080 %h %p
+          EOF
+          cat >> "$HOME/.ssh/known_hosts" << EOF
+          bscpm03.bsc.es ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIM2NuSUPsEhqz1j5b4Gqd+MWFnRqyqY57+xMvBUqHYUS
+          gitlab-internal.bsc.es ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIF9arsAOSRB06hdy71oTvJHG2Mg8zfebADxpvc37lZo3
+          EOF
+          . ${pkgs.nix}/etc/profile.d/nix-daemon.sh
+          ${pkgs.nix}/bin/nix-channel --add https://nixos.org/channels/nixos-24.11 nixpkgs
+          ${pkgs.nix}/bin/nix-channel --update nixpkgs
+          ${pkgs.nix}/bin/nix-env -i ${lib.concatStringsSep " " (with pkgs; [ nix cacert git openssh netcat curl ])}
+        '';
+        environmentVariables = {
+          ENV = "/etc/profile";
+          USER = "root";
+          NIX_REMOTE = "daemon";
+          PATH = "/nix/var/nix/profiles/default/bin:/nix/var/nix/profiles/default/sbin:/bin:/sbin:/usr/bin:/usr/sbin";
+          NIX_SSL_CERT_FILE = "/nix/var/nix/profiles/default/etc/ssl/certs/ca-bundle.crt";
+        };
       };
     };
   };

secrets/gitlab-bsc-docker-token.age

@@ -0,0 +1,11 @@
+age-encryption.org/v1
+-> ssh-ed25519 HY2yRg WSdjyQPzBJ4JbzQpGeq1AAYpWKoXmLI1ZtmNmM5QOzs
+qGDlDT31DQF1DdHen0+5+52DdsQlabJdA2pOB5O1I6g
+-> ssh-ed25519 CAWG4Q wioWMDxQjN+d4JdIbCwZg0DLQu1OH2mV6gukRprjuAs
+670fE61hidOEh20hHiQAhP0+CjDF0WMBNzgwkGT8Yqg
+-> ssh-ed25519 MSF3dg DN19uvAEtqq4708P6HpuX9i/o/qAvHX6dj69dCF2H1o
+4Lu9GnjiFLMeXJ2C7aVPJsCHCQVlhylNWJi896Av92s
+--- 7cKBwOYNOUZ2h3/kAY09aSMASZSxX7hZIT4kvlIiT6w
+<EFBFBD>6<EFBFBD><02><><EFBFBD><06>fQF5=<3D>bX+<2B>v e`<60>7/<2F><05>A~P<><50>Ѧ7<15><>
+<EFBFBD><EFBFBD>A<EFBFBD>)<29>h<05><>=oZ<6F>$<24>^<5E>V0<56>/܅<>r
+k<EFBFBD>u<EFBFBD>bĶ:R<><52>>^g<><67><06>ik_*%<0B>a7<61>KG<4B><47><EFBFBD><EFBFBD><EFBFBD><EFBFBD>&<26>PI<50><49>n

secrets/secrets.nix

@@ -9,6 +9,7 @@ in
   "gitea-runner-token.age".publicKeys = hut;
   "gitlab-runner-docker-token.age".publicKeys = hut;
   "gitlab-runner-shell-token.age".publicKeys = hut;
+  "gitlab-bsc-docker-token.age".publicKeys = hut;
   "nix-serve.age".publicKeys = hut;
   "jungle-robot-password.age".publicKeys = hut;