Add glide.yaml and vendor deps

vendor/k8s.io/kubernetes/pkg/kubectl/metricsutil/metrics_printer.go

@@ -0,0 +1,185 @@
+/*
+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 metricsutil
+
+import (
+	"fmt"
+	"io"
+
+	metricsapi "k8s.io/heapster/metrics/apis/metrics/v1alpha1"
+	"k8s.io/kubernetes/pkg/api"
+	"k8s.io/kubernetes/pkg/api/resource"
+	"k8s.io/kubernetes/pkg/kubectl"
+)
+
+var (
+	MeasuredResources = []api.ResourceName{
+		api.ResourceCPU,
+		api.ResourceMemory,
+	}
+	NodeColumns     = []string{"NAME", "CPU(cores)", "CPU%", "MEMORY(bytes)", "MEMORY%"}
+	PodColumns      = []string{"NAME", "CPU(cores)", "MEMORY(bytes)"}
+	NamespaceColumn = "NAMESPACE"
+	PodColumn       = "POD"
+)
+
+type ResourceMetricsInfo struct {
+	Name      string
+	Metrics   api.ResourceList
+	Available api.ResourceList
+}
+
+type TopCmdPrinter struct {
+	out io.Writer
+}
+
+func NewTopCmdPrinter(out io.Writer) *TopCmdPrinter {
+	return &TopCmdPrinter{out: out}
+}
+
+func (printer *TopCmdPrinter) PrintNodeMetrics(metrics []metricsapi.NodeMetrics, availableResources map[string]api.ResourceList) error {
+	if len(metrics) == 0 {
+		return nil
+	}
+	w := kubectl.GetNewTabWriter(printer.out)
+	defer w.Flush()
+
+	printColumnNames(w, NodeColumns)
+	var usage api.ResourceList
+	for _, m := range metrics {
+		err := api.Scheme.Convert(&m.Usage, &usage, nil)
+		if err != nil {
+			return err
+		}
+		printMetricsLine(w, &ResourceMetricsInfo{
+			Name:      m.Name,
+			Metrics:   usage,
+			Available: availableResources[m.Name],
+		})
+	}
+	return nil
+}
+
+func (printer *TopCmdPrinter) PrintPodMetrics(metrics []metricsapi.PodMetrics, printContainers bool, withNamespace bool) error {
+	if len(metrics) == 0 {
+		return nil
+	}
+	w := kubectl.GetNewTabWriter(printer.out)
+	defer w.Flush()
+
+	if withNamespace {
+		printValue(w, NamespaceColumn)
+	}
+	if printContainers {
+		printValue(w, PodColumn)
+	}
+	printColumnNames(w, PodColumns)
+	for _, m := range metrics {
+		err := printSinglePodMetrics(w, &m, printContainers, withNamespace)
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func printColumnNames(out io.Writer, names []string) {
+	for _, name := range names {
+		printValue(out, name)
+	}
+	fmt.Fprint(out, "\n")
+}
+
+func printSinglePodMetrics(out io.Writer, m *metricsapi.PodMetrics, printContainersOnly bool, withNamespace bool) error {
+	containers := make(map[string]api.ResourceList)
+	podMetrics := make(api.ResourceList)
+	for _, res := range MeasuredResources {
+		podMetrics[res], _ = resource.ParseQuantity("0")
+	}
+
+	for _, c := range m.Containers {
+		var usage api.ResourceList
+		err := api.Scheme.Convert(&c.Usage, &usage, nil)
+		if err != nil {
+			return err
+		}
+		containers[c.Name] = usage
+		if !printContainersOnly {
+			for _, res := range MeasuredResources {
+				quantity := podMetrics[res]
+				quantity.Add(usage[res])
+				podMetrics[res] = quantity
+			}
+		}
+	}
+	if printContainersOnly {
+		for contName := range containers {
+			if withNamespace {
+				printValue(out, m.Namespace)
+			}
+			printValue(out, m.Name)
+			printMetricsLine(out, &ResourceMetricsInfo{
+				Name:      contName,
+				Metrics:   containers[contName],
+				Available: api.ResourceList{},
+			})
+		}
+	} else {
+		if withNamespace {
+			printValue(out, m.Namespace)
+		}
+		printMetricsLine(out, &ResourceMetricsInfo{
+			Name:      m.Name,
+			Metrics:   podMetrics,
+			Available: api.ResourceList{},
+		})
+	}
+	return nil
+}
+
+func printMetricsLine(out io.Writer, metrics *ResourceMetricsInfo) {
+	printValue(out, metrics.Name)
+	printAllResourceUsages(out, metrics)
+	fmt.Fprint(out, "\n")
+}
+
+func printValue(out io.Writer, value interface{}) {
+	fmt.Fprintf(out, "%v\t", value)
+}
+
+func printAllResourceUsages(out io.Writer, metrics *ResourceMetricsInfo) {
+	for _, res := range MeasuredResources {
+		quantity := metrics.Metrics[res]
+		printSingleResourceUsage(out, res, quantity)
+		fmt.Fprint(out, "\t")
+		if available, found := metrics.Available[res]; found {
+			fraction := float64(quantity.MilliValue()) / float64(available.MilliValue()) * 100
+			fmt.Fprintf(out, "%d%%\t", int64(fraction))
+		}
+	}
+}
+
+func printSingleResourceUsage(out io.Writer, resourceType api.ResourceName, quantity resource.Quantity) {
+	switch resourceType {
+	case api.ResourceCPU:
+		fmt.Fprintf(out, "%vm", quantity.MilliValue())
+	case api.ResourceMemory:
+		fmt.Fprintf(out, "%vMi", quantity.Value()/(1024*1024))
+	default:
+		fmt.Fprintf(out, "%v", quantity.Value())
+	}
+}