Replace godep with dep

vendor/k8s.io/kubernetes/pkg/kubelet/server/stats/summary.go

@@ -0,0 +1,106 @@
+/*
+Copyright 2016 The Kubernetes 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 stats
+
+import (
+	"fmt"
+
+	"github.com/golang/glog"
+
+	statsapi "k8s.io/kubernetes/pkg/kubelet/apis/stats/v1alpha1"
+)
+
+type SummaryProvider interface {
+	Get() (*statsapi.Summary, error)
+}
+
+// summaryProviderImpl implements the SummaryProvider interface.
+type summaryProviderImpl struct {
+	provider StatsProvider
+}
+
+var _ SummaryProvider = &summaryProviderImpl{}
+
+// NewSummaryProvider returns a SummaryProvider using the stats provided by the
+// specified statsProvider.
+func NewSummaryProvider(statsProvider StatsProvider) SummaryProvider {
+	return &summaryProviderImpl{statsProvider}
+}
+
+// Get provides a new Summary with the stats from Kubelet.
+func (sp *summaryProviderImpl) Get() (*statsapi.Summary, error) {
+	// TODO(timstclair): Consider returning a best-effort response if any of
+	// the following errors occur.
+	node, err := sp.provider.GetNode()
+	if err != nil {
+		return nil, fmt.Errorf("failed to get node info: %v", err)
+	}
+	nodeConfig := sp.provider.GetNodeConfig()
+	rootStats, networkStats, err := sp.provider.GetCgroupStats("/")
+	if err != nil {
+		return nil, fmt.Errorf("failed to get root cgroup stats: %v", err)
+	}
+	rootFsStats, err := sp.provider.RootFsStats()
+	if err != nil {
+		return nil, fmt.Errorf("failed to get rootFs stats: %v", err)
+	}
+	imageFsStats, err := sp.provider.ImageFsStats()
+	if err != nil {
+		return nil, fmt.Errorf("failed to get imageFs stats: %v", err)
+	}
+	podStats, err := sp.provider.ListPodStats()
+	if err != nil {
+		return nil, fmt.Errorf("failed to list pod stats: %v", err)
+	}
+
+	nodeStats := statsapi.NodeStats{
+		NodeName:  node.Name,
+		CPU:       rootStats.CPU,
+		Memory:    rootStats.Memory,
+		Network:   networkStats,
+		StartTime: rootStats.StartTime,
+		Fs:        rootFsStats,
+		Runtime:   &statsapi.RuntimeStats{ImageFs: imageFsStats},
+	}
+
+	systemContainers := map[string]string{
+		statsapi.SystemContainerKubelet: nodeConfig.KubeletCgroupsName,
+		statsapi.SystemContainerRuntime: nodeConfig.RuntimeCgroupsName,
+		statsapi.SystemContainerMisc:    nodeConfig.SystemCgroupsName,
+	}
+	for sys, name := range systemContainers {
+		// skip if cgroup name is undefined (not all system containers are required)
+		if name == "" {
+			continue
+		}
+		s, _, err := sp.provider.GetCgroupStats(name)
+		if err != nil {
+			glog.Errorf("Failed to get system container stats for %q: %v", name, err)
+			continue
+		}
+		// System containers don't have a filesystem associated with them.
+		s.Logs, s.Rootfs = nil, nil
+		s.Name = sys
+		nodeStats.SystemContainers = append(nodeStats.SystemContainers, *s)
+	}
+
+	summary := statsapi.Summary{
+		Node: nodeStats,
+		Pods: podStats,
+	}
+	return &summary, nil
+}