nixosTests.gvisor: add test for gvisor and gvisor as a Docker runtime

1 files changed, 49 insertions, 0 deletions

diff --git a/nixos/tests/gvisor.nix b/nixos/tests/gvisor.nix
new file mode 100644
index 000000000000..4d68a1d8a5f8
--- /dev/null
+++ b/nixos/tests/gvisor.nix
@@ -0,0 +1,49 @@
+# This test runs a container through gvisor and checks if simple container starts
+
+import ./make-test-python.nix ({ pkgs, ...} : {
+  name = "gvisor";
+  meta = with pkgs.stdenv.lib.maintainers; {
+    maintainers = [ andrew-d ];
+  };
+
+  nodes = {
+    gvisor =
+      { pkgs, ... }:
+        {
+          virtualisation.docker = {
+            enable = true;
+            extraOptions = "--add-runtime runsc=${pkgs.gvisor}/bin/runsc";
+          };
+
+          networking = {
+            dhcpcd.enable = false;
+            defaultGateway = "192.168.1.1";
+            interfaces.eth1.ipv4.addresses = pkgs.lib.mkOverride 0 [
+              { address = "192.168.1.2"; prefixLength = 24; }
+            ];
+          };
+        };
+    };
+
+  testScript = ''
+    start_all()
+
+    gvisor.wait_for_unit("network.target")
+    gvisor.wait_for_unit("sockets.target")
+
+    # Start by verifying that gvisor itself works
+    output = gvisor.succeed(
+        "${pkgs.gvisor}/bin/runsc -alsologtostderr do ${pkgs.coreutils}/bin/echo hello world"
+    )
+    assert output.strip() == "hello world"
+
+    # Also test the Docker runtime
+    gvisor.succeed("tar cv --files-from /dev/null | docker import - scratchimg")
+    gvisor.succeed(
+        "docker run -d --name=sleeping --runtime=runsc -v /nix/store:/nix/store -v /run/current-system/sw/bin:/bin scratchimg /bin/sleep 10"
+    )
+    gvisor.succeed("docker ps | grep sleeping")
+    gvisor.succeed("docker stop sleeping")
+  '';
+})
+