feat(containers): Move image storage and factorize some code

machines/storage01/gitea-actions-runner.nix

@@ -1,34 +1,35 @@
 { pkgs, ... }:
 
-let url = "https://git.dgnum.eu";
+let
+  url = "https://git.dgnum.eu";
 
+  mkRunner = { labels, name, token }: {
+    enable = true;
+
+    inherit name labels token url;
+
+    settings.container = {
+      network = "host";
+      options = [ "--cpus=4" ];
+    };
+  };
 in {
   services.gitea-actions-runner = {
     package = pkgs.forgejo-actions-runner;
 
-    instances = {
+    instances = builtins.mapAttrs (_: mkRunner) {
       runner01 = {
-        enable = true;
-
-        inherit url;
         token = "qT9nZXKgLcb3fWOj7VTj3S58raiCWwF0weuIIKlY";
         name = "storage01 [debian]";
 
         labels = [ "debian-latest:docker://node:20-bookworm" ];
-
-        settings = { container.network = "host"; };
       };
 
       runner02 = {
-        enable = true;
-
-        inherit url;
         token = "m0rUDBxxkMb6xLTmPFwIieHswJFROqPFByPlT3V9";
         name = "storage01 [debian]";
 
         labels = [ "debian-latest:docker://node:20-bookworm" ];
-
-        settings = { container.network = "host"; };
       };
     };
   };
@@ -41,4 +42,12 @@ in {
       ipv6_enabled = true;
     };
   };
+
+  virtualisation.containers.storage.settings = {
+    storage = {
+      driver = "overlay";
+      graphroot = "/data/slow/containers/storage";
+      runroot = "/run/containers/storage";
+    };
+  };
 }

shell.nix

@@ -48,5 +48,5 @@ pkgs.mkShell {
     (sources.disko + "/package.nix")
   ])) ++ (import ./scripts { inherit pkgs; });
 
-  allowSubstitutes = false;
+  preferLocalBuild = true;
 }