mirror of https://github.com/k3s-io/k3s
77 lines
2.0 KiB
Go
77 lines
2.0 KiB
Go
|
/*
|
||
|
|
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 top
|
||
|
|
|
||
|
|
import (
|
||
|
|
"github.com/spf13/cobra"
|
||
|
|
|
||
|
|
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
||
|
|
"k8s.io/cli-runtime/pkg/genericclioptions"
|
||
|
|
cmdutil "k8s.io/kubectl/pkg/cmd/util"
|
||
|
|
"k8s.io/kubectl/pkg/util/i18n"
|
||
|
|
"k8s.io/kubectl/pkg/util/templates"
|
||
|
|
metricsapi "k8s.io/metrics/pkg/apis/metrics"
|
||
|
|
)
|
||
|
|
|
||
|
|
const (
|
||
|
|
sortByCPU = "cpu"
|
||
|
|
sortByMemory = "memory"
|
||
|
|
)
|
||
|
|
|
||
|
|
var (
|
||
|
|
supportedMetricsAPIVersions = []string{
|
||
|
|
"v1beta1",
|
||
|
|
}
|
||
|
|
topLong = templates.LongDesc(i18n.T(`
|
||
|
|
Display Resource (CPU/Memory/Storage) usage.
|
||
|
|
|
||
|
|
The top command allows you to see the resource consumption for nodes or pods.
|
||
|
|
|
||
|
|
This command requires Heapster to be correctly configured and working on the server. `))
|
||
|
|
)
|
||
|
|
|
||
|
|
func NewCmdTop(f cmdutil.Factory, streams genericclioptions.IOStreams) *cobra.Command {
|
||
|
|
cmd := &cobra.Command{
|
||
|
|
Use: "top",
|
||
|
|
Short: i18n.T("Display Resource (CPU/Memory/Storage) usage."),
|
||
|
|
Long: topLong,
|
||
|
|
Run: cmdutil.DefaultSubCommandRun(streams.ErrOut),
|
||
|
|
}
|
||
|
|
|
||
|
|
// create subcommands
|
||
|
|
cmd.AddCommand(NewCmdTopNode(f, nil, streams))
|
||
|
|
cmd.AddCommand(NewCmdTopPod(f, nil, streams))
|
||
|
|
|
||
|
|
return cmd
|
||
|
|
}
|
||
|
|
|
||
|
|
func SupportedMetricsAPIVersionAvailable(discoveredAPIGroups *metav1.APIGroupList) bool {
|
||
|
|
for _, discoveredAPIGroup := range discoveredAPIGroups.Groups {
|
||
|
|
if discoveredAPIGroup.Name != metricsapi.GroupName {
|
||
|
|
continue
|
||
|
|
}
|
||
|
|
for _, version := range discoveredAPIGroup.Versions {
|
||
|
|
for _, supportedVersion := range supportedMetricsAPIVersions {
|
||
|
|
if version.Version == supportedVersion {
|
||
|
|
return true
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return false
|
||
|
|
}
|