push sheeet

nixos/tests/docker-tools-overlay.nix

@@ -0,0 +1,35 @@
+# this test creates a simple GNU image with docker tools and sees if it executes
+{ pkgs, ... }:
+{
+  name = "docker-tools-overlay";
+  meta = with pkgs.lib.maintainers; {
+    maintainers = [
+      lnl7
+      roberth
+    ];
+  };
+
+  nodes = {
+    docker =
+      { ... }:
+      {
+        virtualisation.docker.enable = true;
+        virtualisation.docker.storageDriver = "overlay2";
+      };
+  };
+
+  testScript = ''
+    docker.wait_for_unit("sockets.target")
+
+    docker.succeed(
+        "docker load --input='${pkgs.dockerTools.examples.bash}'",
+        "docker run --rm ${pkgs.dockerTools.examples.bash.imageName} bash --version",
+    )
+
+    # Check if the nix store has correct user permissions depending on what
+    # storage driver is used, incorrectly built images can show up as readonly.
+    # drw-------  3 0 0   3 Apr 14 11:36 /nix
+    # drw------- 99 0 0 100 Apr 14 11:36 /nix/store
+    docker.succeed("docker run --rm -u 1000:1000 ${pkgs.dockerTools.examples.bash.imageName} bash --version")
+  '';
+}