nixosTests.cntr: init

nixos/tests/all-tests.nix

@@ -64,6 +64,7 @@ in
   cjdns = handleTest ./cjdns.nix {};
   clickhouse = handleTest ./clickhouse.nix {};
   cloud-init = handleTest ./cloud-init.nix {};
+  cntr = handleTest ./cntr.nix {};
   cockroachdb = handleTestOn ["x86_64-linux"] ./cockroachdb.nix {};
   consul = handleTest ./consul.nix {};
   containers-bridge = handleTest ./containers-bridge.nix {};

nixos/tests/cntr.nix

@@ -0,0 +1,63 @@
+# Test for cntr tool
+{ system ? builtins.currentSystem, config ? { }
+, pkgs ? import ../.. { inherit system config; }, lib ? pkgs.lib }:
+
+let
+  inherit (import ../lib/testing-python.nix { inherit system pkgs; }) makeTest;
+
+  mkOCITest = backend:
+    makeTest {
+      name = "cntr-${backend}";
+
+      meta = { maintainers = with lib.maintainers; [ srk mic92 ]; };
+
+      nodes = {
+        ${backend} = { pkgs, ... }: {
+          environment.systemPackages = [ pkgs.cntr ];
+          virtualisation.oci-containers = {
+            inherit backend;
+            containers.nginx = {
+              image = "nginx-container";
+              imageFile = pkgs.dockerTools.examples.nginx;
+              ports = [ "8181:80" ];
+            };
+          };
+        };
+      };
+
+      testScript = ''
+        start_all()
+        ${backend}.wait_for_unit("${backend}-nginx.service")
+        result = ${backend}.wait_until_succeeds(
+            "cntr attach -t ${backend} nginx sh -- -c 'curl localhost | grep Hello'"
+        )
+        assert "Hello" in result
+      '';
+    };
+
+  mkContainersTest = makeTest {
+    name = "cntr-containers";
+
+    meta = with pkgs.lib.maintainers; { maintainers = [ sorki mic92 ]; };
+
+    machine = { lib, ... }: {
+      environment.systemPackages = [ pkgs.cntr ];
+      containers.test = {
+        autoStart = true;
+        privateNetwork = true;
+        hostAddress = "172.16.0.1";
+        localAddress = "172.16.0.2";
+        config = { };
+      };
+    };
+
+    testScript = ''
+      machine.start()
+      machine.wait_for_unit("container@test.service")
+      machine.succeed("cntr attach test sh -- -c 'ping -c5 172.16.0.1'")
+    '';
+  };
+in {
+  nixos-container = mkContainersTest;
+} // (lib.foldl' (attrs: backend: attrs // { ${backend} = mkOCITest backend; })
+  { } [ "docker" "podman" ])