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// Copyright 2020 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 instance
import (
"context"
"fmt"
"path/filepath"
"strings"
"github.com/pingcap/tiup/pkg/tidbver"
"github.com/pingcap/tiup/pkg/utils"
)
// TiCDC represent a ticdc instance.
type TiCDC struct {
instance
pds []*PDInstance
Process
}
var _ Instance = &TiCDC{}
// NewTiCDC create a TiCDC instance.
func NewTiCDC(shOpt SharedOptions, binPath string, dir, host, configPath string, id int, port int, pds []*PDInstance) *TiCDC {
if port <= 0 {
port = 8300
}
ticdc := &TiCDC{
instance: instance{
BinPath: binPath,
ID: id,
Dir: dir,
Host: host,
Port: utils.MustGetFreePort(host, port, shOpt.PortOffset),
ConfigPath: configPath,
},
pds: pds,
}
ticdc.StatusPort = ticdc.Port
return ticdc
}
// Start implements Instance interface.
func (c *TiCDC) Start(ctx context.Context) error {
endpoints := pdEndpoints(c.pds, true)
args := []string{
"server",
fmt.Sprintf("--addr=%s", utils.JoinHostPort(c.Host, c.Port)),
fmt.Sprintf("--advertise-addr=%s", utils.JoinHostPort(AdvertiseHost(c.Host), c.Port)),
fmt.Sprintf("--pd=%s", strings.Join(endpoints, ",")),
fmt.Sprintf("--log-file=%s", c.LogFile()),
}
clusterVersion := string(c.Version)
if tidbver.TiCDCSupportConfigFile(clusterVersion) {
if c.ConfigPath != "" {
args = append(args, fmt.Sprintf("--config=%s", c.ConfigPath))
}
if tidbver.TiCDCSupportDataDir(clusterVersion) {
args = append(args, fmt.Sprintf("--data-dir=%s", filepath.Join(c.Dir, "data")))
} else {
args = append(args, fmt.Sprintf("--sort-dir=%s/tmp/sorter", filepath.Join(c.Dir, "data")))
}
}
c.Process = &process{cmd: PrepareCommand(ctx, c.BinPath, args, nil, c.Dir)}
logIfErr(c.Process.SetOutputFile(c.LogFile()))
return c.Process.Start()
}
// Component return component name.
func (c *TiCDC) Component() string {
return "cdc"
}
// LogFile return the log file.
func (c *TiCDC) LogFile() string {
return filepath.Join(c.Dir, "ticdc.log")
}
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