mirror of https://github.com/k3s-io/k3s
72 lines
2.0 KiB
Go
72 lines
2.0 KiB
Go
/*
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Copyright 2016 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package top
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import (
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"github.com/spf13/cobra"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/cli-runtime/pkg/genericclioptions"
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cmdutil "k8s.io/kubernetes/pkg/kubectl/cmd/util"
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"k8s.io/kubernetes/pkg/kubectl/util/i18n"
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"k8s.io/kubernetes/pkg/kubectl/util/templates"
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metricsapi "k8s.io/metrics/pkg/apis/metrics"
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)
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var (
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supportedMetricsAPIVersions = []string{
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"v1beta1",
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}
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topLong = templates.LongDesc(i18n.T(`
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Display Resource (CPU/Memory/Storage) usage.
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The top command allows you to see the resource consumption for nodes or pods.
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This command requires Heapster to be correctly configured and working on the server. `))
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)
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func NewCmdTop(f cmdutil.Factory, streams genericclioptions.IOStreams) *cobra.Command {
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cmd := &cobra.Command{
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Use: "top",
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Short: i18n.T("Display Resource (CPU/Memory/Storage) usage."),
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Long: topLong,
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Run: cmdutil.DefaultSubCommandRun(streams.ErrOut),
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}
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// create subcommands
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cmd.AddCommand(NewCmdTopNode(f, nil, streams))
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cmd.AddCommand(NewCmdTopPod(f, nil, streams))
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return cmd
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}
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func SupportedMetricsAPIVersionAvailable(discoveredAPIGroups *metav1.APIGroupList) bool {
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for _, discoveredAPIGroup := range discoveredAPIGroups.Groups {
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if discoveredAPIGroup.Name != metricsapi.GroupName {
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continue
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}
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for _, version := range discoveredAPIGroup.Versions {
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for _, supportedVersion := range supportedMetricsAPIVersions {
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if version.Version == supportedVersion {
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return true
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}
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}
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}
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}
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return false
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}
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