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cli_changefeed_pause.go
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cli_changefeed_pause.go
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// Copyright 2021 PingCAP, Inc.
//
// 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,
// See the License for the specific language governing permissions and
// limitations under the License.
package cli
import (
"github.com/spf13/cobra"
"github.com/tikv/migration/cdc/cdc/model"
"github.com/tikv/migration/cdc/pkg/cmd/context"
"github.com/tikv/migration/cdc/pkg/cmd/factory"
"github.com/tikv/migration/cdc/pkg/etcd"
"github.com/tikv/migration/cdc/pkg/security"
)
// pauseChangefeedOptions defines flags for the `cli changefeed pause` command.
type pauseChangefeedOptions struct {
etcdClient *etcd.CDCEtcdClient
credential *security.Credential
changefeedID string
}
// newPauseChangefeedOptions creates new options for the `cli changefeed pause` command.
func newPauseChangefeedOptions() *pauseChangefeedOptions {
return &pauseChangefeedOptions{}
}
// addFlags receives a *cobra.Command reference and binds
// flags related to template printing to it.
func (o *pauseChangefeedOptions) addFlags(cmd *cobra.Command) {
cmd.PersistentFlags().StringVarP(&o.changefeedID, "changefeed-id", "c", "", "Replication task (changefeed) ID")
_ = cmd.MarkPersistentFlagRequired("changefeed-id")
}
// complete adapts from the command line args to the data and client required.
func (o *pauseChangefeedOptions) complete(f factory.Factory) error {
etcdClient, err := f.EtcdClient()
if err != nil {
return err
}
o.etcdClient = etcdClient
o.credential = f.GetCredential()
return nil
}
// run the `cli changefeed pause` command.
func (o *pauseChangefeedOptions) run() error {
job := model.AdminJob{
CfID: o.changefeedID,
Type: model.AdminStop,
}
ctx := context.GetDefaultContext()
return sendOwnerAdminChangeQuery(ctx, o.etcdClient, job, o.credential)
}
// newCmdPauseChangefeed creates the `cli changefeed pause` command.
func newCmdPauseChangefeed(f factory.Factory) *cobra.Command {
o := newPauseChangefeedOptions()
command := &cobra.Command{
Use: "pause",
Short: "Pause a replication task (changefeed)",
Args: cobra.NoArgs,
RunE: func(cmd *cobra.Command, args []string) error {
err := o.complete(f)
if err != nil {
return err
}
return o.run()
},
}
o.addFlags(command)
return command
}