Move unix specific logic into _unix.go

Signed-off-by: Lantao Liu <lantaol@google.com>

pkg/config/config_unix.go

@@ -0,0 +1,69 @@
+// +build !windows
+
+/*
+Copyright The containerd Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package config
+
+import (
+	"github.com/containerd/containerd"
+	"k8s.io/kubernetes/pkg/kubelet/server/streaming"
+)
+
+// DefaultConfig returns default configurations of cri plugin.
+func DefaultConfig() PluginConfig {
+	return PluginConfig{
+		CniConfig: CniConfig{
+			NetworkPluginBinDir:       "/opt/cni/bin",
+			NetworkPluginConfDir:      "/etc/cni/net.d",
+			NetworkPluginMaxConfNum:   1, // only one CNI plugin config file will be loaded
+			NetworkPluginConfTemplate: "",
+		},
+		ContainerdConfig: ContainerdConfig{
+			Snapshotter:        containerd.DefaultSnapshotter,
+			DefaultRuntimeName: "runc",
+			NoPivot:            false,
+			Runtimes: map[string]Runtime{
+				"runc": {
+					Type: "io.containerd.runc.v1",
+				},
+			},
+		},
+		DisableTCPService:   true,
+		StreamServerAddress: "127.0.0.1",
+		StreamServerPort:    "0",
+		StreamIdleTimeout:   streaming.DefaultConfig.StreamIdleTimeout.String(), // 4 hour
+		EnableSelinux:       false,
+		EnableTLSStreaming:  false,
+		X509KeyPairStreaming: X509KeyPairStreaming{
+			TLSKeyFile:  "",
+			TLSCertFile: "",
+		},
+		SandboxImage:            "k8s.gcr.io/pause:3.1",
+		StatsCollectPeriod:      10,
+		SystemdCgroup:           false,
+		MaxContainerLogLineSize: 16 * 1024,
+		Registry: Registry{
+			Mirrors: map[string]Mirror{
+				"docker.io": {
+					Endpoints: []string{"https://registry-1.docker.io"},
+				},
+			},
+		},
+		MaxConcurrentDownloads: 3,
+		DisableProcMount:       false,
+	}
+}