mirror of https://github.com/knative/client.git
125 lines
3.6 KiB
Go
125 lines
3.6 KiB
Go
// Copyright © 2018 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 service
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import (
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"context"
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"errors"
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"fmt"
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"strings"
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"time"
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"github.com/spf13/cobra"
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"knative.dev/client/pkg/kn/commands"
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clientservingv1 "knative.dev/client/pkg/serving/v1"
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)
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// NewServiceDeleteCommand represent 'service delete' command
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func NewServiceDeleteCommand(p *commands.KnParams) *cobra.Command {
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var waitFlags commands.WaitFlags
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serviceDeleteCommand := &cobra.Command{
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Use: "delete NAME [NAME ...]",
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Short: "Delete services",
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Example: `
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# Delete a service 'svc1' in default namespace
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kn service delete svc1
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# Delete a service 'svc2' in 'ns1' namespace
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kn service delete svc2 -n ns1
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# Delete all services in 'ns1' namespace
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kn service delete --all -n ns1
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# Delete the services in offline mode instead of kubernetes cluster (Beta)
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kn service delete test -n test-ns --target=/user/knfiles
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kn service delete test --target=/user/knfiles/test.yaml
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kn service delete test --target=/user/knfiles/test.json`,
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RunE: func(cmd *cobra.Command, args []string) error {
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all, err := cmd.Flags().GetBool("all")
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if err != nil {
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return err
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}
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argsLen := len(args)
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if argsLen < 1 && !all {
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return errors.New("'service delete' requires the service name(s)")
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}
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if argsLen > 0 && all {
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return errors.New("'service delete' with --all flag requires no arguments")
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}
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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 := newServingClient(p, namespace, cmd.Flag("target").Value.String())
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if err != nil {
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return err
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}
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if all {
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args, err = getServiceNames(cmd.Context(), client)
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if err != nil {
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return err
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}
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if len(args) == 0 {
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fmt.Fprintf(cmd.OutOrStdout(), "No services found.\n")
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return nil
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}
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}
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errs := []string{}
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for _, name := range args {
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timeout := time.Duration(0)
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if waitFlags.Wait {
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timeout = time.Duration(waitFlags.TimeoutInSeconds) * time.Second
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}
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err = client.DeleteService(cmd.Context(), name, timeout)
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if err != nil {
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errs = append(errs, err.Error())
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} else {
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fmt.Fprintf(cmd.OutOrStdout(), "Service '%s' successfully deleted in namespace '%s'.\n", name, namespace)
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}
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}
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if len(errs) > 0 {
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return errors.New("Error: " + strings.Join(errs, "\nError: "))
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}
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return nil
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},
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}
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flags := serviceDeleteCommand.Flags()
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flags.Bool("all", false, "Delete all services in a namespace.")
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commands.AddNamespaceFlags(serviceDeleteCommand.Flags(), false)
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commands.AddGitOpsFlags(serviceDeleteCommand.Flags())
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waitFlags.AddConditionWaitFlags(serviceDeleteCommand, commands.WaitDefaultTimeout, "delete", "service", "deleted")
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return serviceDeleteCommand
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}
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func getServiceNames(ctx context.Context, client clientservingv1.KnServingClient) ([]string, error) {
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serviceList, err := client.ListServices(ctx)
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if err != nil {
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return []string{}, err
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}
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serviceNames := []string{}
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for _, service := range serviceList.Items {
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serviceNames = append(serviceNames, service.Name)
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}
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return serviceNames, nil
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}
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