Move CRI from pkg/ to internal/

Signed-off-by: Maksym Pavlenko <pavlenko.maksym@gmail.com>

internal/cri/server/status.go

@@ -0,0 +1,98 @@
+/*
+   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 server
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	goruntime "runtime"
+
+	"github.com/containerd/log"
+	runtime "k8s.io/cri-api/pkg/apis/runtime/v1"
+)
+
+// networkNotReadyReason is the reason reported when network is not ready.
+const networkNotReadyReason = "NetworkPluginNotReady"
+
+// Status returns the status of the runtime.
+func (c *criService) Status(ctx context.Context, r *runtime.StatusRequest) (*runtime.StatusResponse, error) {
+	// As a containerd plugin, if CRI plugin is serving request,
+	// containerd must be ready.
+	runtimeCondition := &runtime.RuntimeCondition{
+		Type:   runtime.RuntimeReady,
+		Status: true,
+	}
+	networkCondition := &runtime.RuntimeCondition{
+		Type:   runtime.NetworkReady,
+		Status: true,
+	}
+	netPlugin := c.netPlugin[defaultNetworkPlugin]
+	// Check the status of the cni initialization
+	if netPlugin != nil {
+		if err := netPlugin.Status(); err != nil {
+			networkCondition.Status = false
+			networkCondition.Reason = networkNotReadyReason
+			networkCondition.Message = fmt.Sprintf("Network plugin returns error: %v", err)
+		}
+	}
+
+	resp := &runtime.StatusResponse{
+		Status: &runtime.RuntimeStatus{Conditions: []*runtime.RuntimeCondition{
+			runtimeCondition,
+			networkCondition,
+		}},
+	}
+	if r.Verbose {
+		configByt, err := json.Marshal(c.config)
+		if err != nil {
+			return nil, err
+		}
+		resp.Info = make(map[string]string)
+		resp.Info["config"] = string(configByt)
+		versionByt, err := json.Marshal(goruntime.Version())
+		if err != nil {
+			return nil, err
+		}
+		resp.Info["golang"] = string(versionByt)
+
+		if netPlugin != nil {
+			cniConfig, err := json.Marshal(netPlugin.GetConfig())
+			if err != nil {
+				log.G(ctx).WithError(err).Errorf("Failed to marshal CNI config %v", err)
+			}
+			resp.Info["cniconfig"] = string(cniConfig)
+		}
+
+		defaultStatus := "OK"
+		for name, h := range c.cniNetConfMonitor {
+			s := "OK"
+			if h == nil {
+				continue
+			}
+			if lerr := h.lastStatus(); lerr != nil {
+				s = lerr.Error()
+			}
+			resp.Info[fmt.Sprintf("lastCNILoadStatus.%s", name)] = s
+			if name == defaultNetworkPlugin {
+				defaultStatus = s
+			}
+		}
+		resp.Info["lastCNILoadStatus"] = defaultStatus
+	}
+	return resp, nil
+}