mirror of https://github.com/knative/client.git
114 lines
3.1 KiB
Go
114 lines
3.1 KiB
Go
// Copyright © 2019 The Knative Authors
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package revision
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import (
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"fmt"
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"github.com/knative/serving/pkg/apis/serving/v1alpha1"
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"github.com/spf13/cobra"
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"github.com/knative/client/pkg/kn/commands"
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v1alpha12 "github.com/knative/client/pkg/serving/v1alpha1"
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)
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// NewRevisionListCommand represents 'kn revision list' command
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func NewRevisionListCommand(p *commands.KnParams) *cobra.Command {
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revisionListFlags := NewRevisionListFlags()
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revisionListCommand := &cobra.Command{
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Use: "list [name]",
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Short: "List available revisions.",
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Long: "List revisions for a given service.",
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Example: `
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# List all revisions
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kn revision list
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# List revisions for a service 'svc1' in namespace 'myapp'
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kn revision list -s svc1 -n myapp
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# List all revisions in JSON output format
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kn revision list -o json
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# List revision 'web'
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kn revision list web`,
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RunE: func(cmd *cobra.Command, args []string) error {
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namespace, err := p.GetNamespace(cmd)
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if err != nil {
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return err
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}
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client, err := p.NewClient(namespace)
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if err != nil {
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return err
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}
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var revisionList *v1alpha1.RevisionList
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if cmd.Flags().Changed("service") {
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serviceName := cmd.Flag("service").Value.String()
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// Verify that service exists
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_, err := client.GetService(serviceName)
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if err != nil {
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return err
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}
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revisionList, err = client.ListRevisions(v1alpha12.WithService(serviceName))
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if err != nil {
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return err
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}
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if len(revisionList.Items) == 0 {
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fmt.Fprintf(cmd.OutOrStdout(), "No revisions found for service '%s'.\n", serviceName)
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return nil
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}
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} else {
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revisionList, err = getRevisionInfo(args, client)
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if err != nil {
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return err
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}
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if len(revisionList.Items) == 0 {
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fmt.Fprintf(cmd.OutOrStdout(), "No revisions found.\n")
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return nil
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}
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}
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printer, err := revisionListFlags.ToPrinter()
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if err != nil {
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return err
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}
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err = printer.PrintObj(revisionList, cmd.OutOrStdout())
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if err != nil {
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return err
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}
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return nil
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},
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}
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commands.AddNamespaceFlags(revisionListCommand.Flags(), true)
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revisionListFlags.AddFlags(revisionListCommand)
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return revisionListCommand
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}
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func getRevisionInfo(args []string, client v1alpha12.KnClient) (*v1alpha1.RevisionList, error) {
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var (
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revisionList *v1alpha1.RevisionList
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err error
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)
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switch len(args) {
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case 0:
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revisionList, err = client.ListRevisions()
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case 1:
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revisionList, err = client.ListRevisions(v1alpha12.WithName(args[0]))
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default:
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return nil, fmt.Errorf("'kn revision list' accepts maximum 1 argument")
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}
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return revisionList, err
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}
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