111 lines
4.1 KiB
Go
111 lines
4.1 KiB
Go
/*
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Copyright 2024 The Karmada 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 apiresources
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import (
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"fmt"
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"github.com/spf13/cobra"
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"k8s.io/cli-runtime/pkg/genericiooptions"
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kubectlapiresources "k8s.io/kubectl/pkg/cmd/apiresources"
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cmdutil "k8s.io/kubectl/pkg/cmd/util"
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"k8s.io/kubectl/pkg/util/templates"
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"github.com/karmada-io/karmada/pkg/karmadactl/options"
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"github.com/karmada-io/karmada/pkg/karmadactl/util"
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utilcomp "github.com/karmada-io/karmada/pkg/karmadactl/util/completion"
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)
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var (
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apiversionsExample = templates.Examples(`
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# Print the supported API versions
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%[1]s api-versions
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# Print the supported API versions in cluster(member1)
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%[1]s api-versions --operation-scope=members --cluster=member1`)
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)
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// NewCmdAPIVersions creates the api-versions command
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func NewCmdAPIVersions(f util.Factory, parentCommand string, ioStreams genericiooptions.IOStreams) *cobra.Command {
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var o CommandAPIVersionsOptions
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o.APIVersionsOptions = kubectlapiresources.NewAPIVersionsOptions(ioStreams)
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cmd := &cobra.Command{
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Use: "api-versions",
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Short: "Print the supported API versions on the server, in the form of \"group/version\"",
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Long: "Print the supported API versions on the server, in the form of \"group/version\".",
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Example: fmt.Sprintf(apiversionsExample, parentCommand),
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DisableFlagsInUseLine: true,
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Run: func(cmd *cobra.Command, args []string) {
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cmdutil.CheckErr(o.Complete(f, cmd, args))
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cmdutil.CheckErr(o.Validate())
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cmdutil.CheckErr(o.RunAPIVersions())
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},
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Annotations: map[string]string{
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util.TagCommandGroup: util.GroupOtherCommands,
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},
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}
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o.OperationScope = options.KarmadaControlPlane
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options.AddKubeConfigFlags(cmd.Flags())
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cmd.Flags().VarP(&o.OperationScope, "operation-scope", "s", "Used to control the operation scope of the command. The optional values are karmada and members. Defaults to karmada.")
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cmd.Flags().StringVar(&o.Cluster, "cluster", "", "Used to specify a target member cluster and only takes effect when the command's operation scope is members, for example: --operation-scope=members --cluster=member1")
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utilcomp.RegisterCompletionFuncForKarmadaContextFlag(cmd)
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utilcomp.RegisterCompletionFuncForOperationScopeFlag(cmd, options.KarmadaControlPlane, options.Members)
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utilcomp.RegisterCompletionFuncForClusterFlag(cmd)
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return cmd
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}
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// CommandAPIVersionsOptions contains the input to the api-versions command.
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type CommandAPIVersionsOptions struct {
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// flags specific to api-versions
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*kubectlapiresources.APIVersionsOptions
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Cluster string
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OperationScope options.OperationScope
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}
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// Complete adapts from the command line args and factory to the data required
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func (o *CommandAPIVersionsOptions) Complete(f util.Factory, cmd *cobra.Command, args []string) error {
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var apiFactory cmdutil.Factory = f
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if o.OperationScope == options.Members && len(o.Cluster) != 0 {
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memberFactory, err := f.FactoryForMemberCluster(o.Cluster)
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if err != nil {
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return err
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}
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apiFactory = memberFactory
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}
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return o.APIVersionsOptions.Complete(apiFactory, cmd, args)
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}
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// Validate checks to the APIVersionsOptions to see if there is sufficient information run the command
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func (o *CommandAPIVersionsOptions) Validate() error {
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err := options.VerifyOperationScopeFlags(o.OperationScope, options.KarmadaControlPlane, options.Members)
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if err != nil {
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return err
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}
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if o.OperationScope == options.Members && len(o.Cluster) == 0 {
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return fmt.Errorf("must specify a member cluster")
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}
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return nil
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}
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// Run does the work
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func (o *CommandAPIVersionsOptions) Run() error {
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return o.APIVersionsOptions.RunAPIVersions()
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}
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