Merge pull request #1116 from Random-Liu/per-pod-shim

Enable runc.v2 as the default runtime in test.

cluster/gce/configure.sh

@@ -164,10 +164,6 @@ disabled_plugins = ["restart"]
 [debug]
   level = "${log_level}"
 
-[plugins.linux]
-  shim = "${CONTAINERD_HOME}/usr/local/bin/containerd-shim"
-  runtime = "${CONTAINERD_HOME}/usr/local/sbin/runc"
-
 [plugins.cri]
   stream_server_address = "127.0.0.1"
   stream_server_port = "0"
@@ -178,6 +174,10 @@ disabled_plugins = ["restart"]
   conf_template = "${cni_template_path}"
 [plugins.cri.registry.mirrors."docker.io"]
   endpoint = ["https://mirror.gcr.io","https://registry-1.docker.io"]
+[plugins.cri.containerd.default_runtime]
+  runtime_type = "io.containerd.runc.v2"
+[plugins.cri.containerd.default_runtime.options]
+  BinaryName = "${CONTAINERD_HOME}/usr/local/sbin/runc"
 EOF
 chmod 644 "${config_path}"
 

pkg/server/helpers.go

@@ -122,8 +122,10 @@ const (
 const (
 	// linuxRuntime is the legacy linux runtime for shim v1.
 	linuxRuntime = "io.containerd.runtime.v1.linux"
-	// runcRuntime is the runc runtime for shim v2.
-	runcRuntime = "io.containerd.runc.v1"
+	// runcRuntimeV1 is the runc v1 runtime for shim v2.
+	runcRuntimeV1 = "io.containerd.runc.v1"
+	// runcRuntimeV2 is the runc v2 runtime for shim v2.
+	runcRuntimeV2 = "io.containerd.runc.v2"
 )
 
 // makeSandboxName generates sandbox name from sandbox metadata. The name
@@ -427,7 +429,9 @@ func generateRuntimeOptions(r criconfig.Runtime, c criconfig.Config) (interface{
 // getRuntimeOptionsType gets empty runtime options by the runtime type name.
 func getRuntimeOptionsType(t string) interface{} {
 	switch t {
-	case runcRuntime:
+	case runcRuntimeV1:
+		fallthrough
+	case runcRuntimeV2:
 		return &runcoptions.Options{}
 	case linuxRuntime:
 		return &runctypes.RuncOptions{}

pkg/server/helpers_test.go

@@ -215,7 +215,9 @@ systemd_cgroup = true
 [containerd.default_runtime]
   runtime_type = "` + linuxRuntime + `"
 [containerd.runtimes.runc]
-  runtime_type = "` + runcRuntime + `"
+  runtime_type = "` + runcRuntimeV1 + `"
+[containerd.runtimes.runcv2]
+  runtime_type = "` + runcRuntimeV2 + `"
 `
 	nonNilOpts := `
 systemd_cgroup = true
@@ -227,30 +229,41 @@ systemd_cgroup = true
   Runtime = "default"
   RuntimeRoot = "/default"
 [containerd.runtimes.runc]
-  runtime_type = "` + runcRuntime + `"
+  runtime_type = "` + runcRuntimeV1 + `"
 [containerd.runtimes.runc.options]
   BinaryName = "runc"
   Root = "/runc"
   NoNewKeyring = true
+[containerd.runtimes.runcv2]
+  runtime_type = "` + runcRuntimeV2 + `"
+[containerd.runtimes.runcv2.options]
+  BinaryName = "runc"
+  Root = "/runcv2"
+  NoNewKeyring = true
 `
 	var nilOptsConfig, nonNilOptsConfig criconfig.Config
 	_, err := toml.Decode(nilOpts, &nilOptsConfig)
 	require.NoError(t, err)
 	_, err = toml.Decode(nonNilOpts, &nonNilOptsConfig)
 	require.NoError(t, err)
-	require.Len(t, nilOptsConfig.Runtimes, 1)
-	require.Len(t, nonNilOptsConfig.Runtimes, 1)
+	require.Len(t, nilOptsConfig.Runtimes, 2)
+	require.Len(t, nonNilOptsConfig.Runtimes, 2)
 
 	for desc, test := range map[string]struct {
 		r               criconfig.Runtime
 		c               criconfig.Config
 		expectedOptions interface{}
 	}{
-		"when options is nil, should return nil option for non legacy runtime": {
+		"when options is nil, should return nil option for io.containerd.runc.v1": {
 			r:               nilOptsConfig.Runtimes["runc"],
 			c:               nilOptsConfig,
 			expectedOptions: nil,
 		},
+		"when options is nil, should return nil option for io.containerd.runc.v2": {
+			r:               nilOptsConfig.Runtimes["runcv2"],
+			c:               nilOptsConfig,
+			expectedOptions: nil,
+		},
 		"when options is nil, should use legacy fields for legacy runtime": {
 			r: nilOptsConfig.DefaultRuntime,
 			c: nilOptsConfig,
@@ -267,6 +280,15 @@ systemd_cgroup = true
 				NoNewKeyring: true,
 			},
 		},
+		"when options is not nil, should be able to decode for io.containerd.runc.v2": {
+			r: nonNilOptsConfig.Runtimes["runcv2"],
+			c: nonNilOptsConfig,
+			expectedOptions: &runcoptions.Options{
+				BinaryName:   "runc",
+				Root:         "/runcv2",
+				NoNewKeyring: true,
+			},
+		},
 		"when options is not nil, should be able to decode for legacy runtime": {
 			r: nonNilOptsConfig.DefaultRuntime,
 			c: nonNilOptsConfig,