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// Copyright 2025 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/errors"
"github.com/pingcap/tiup/pkg/utils"
)
// resolveTiKVWorkerBinPath resolves the tikv-worker binary path when tikv-server path is provided.
func resolveTiKVWorkerBinPath(binPath string) string {
if !strings.HasSuffix(binPath, "tikv-server") {
return binPath
}
dir := filepath.Dir(binPath)
return filepath.Join(dir, "tikv-worker")
}
// TiKVWorkerInstance represent a running TiKVWorker instance.
type TiKVWorkerInstance struct {
instance
shOpt SharedOptions
pds []*PDInstance
Process
}
// NewTiKVWorkerInstance creates a new TiKVWorker instance.
func NewTiKVWorkerInstance(shOpt SharedOptions, binPath string, dir, host, configPath string, id int, port int, pds []*PDInstance) *TiKVWorkerInstance {
if port <= 0 {
port = 19000
}
return &TiKVWorkerInstance{
shOpt: shOpt,
instance: instance{
BinPath: resolveTiKVWorkerBinPath(binPath),
ID: id,
Dir: dir,
Host: host,
Port: utils.MustGetFreePort(host, port, shOpt.PortOffset),
ConfigPath: configPath,
},
pds: pds,
}
}
// Addr return the address of TiKVWorker.
func (inst *TiKVWorkerInstance) Addr() string {
return utils.JoinHostPort(inst.Host, inst.Port)
}
// Start calls set inst.cmd and Start
func (inst *TiKVWorkerInstance) Start(ctx context.Context) error {
if inst.shOpt.PDMode == "ms" {
return errors.New("tikv_worker does not support ms pd mode")
}
if inst.shOpt.Mode != "tidb-cse" {
return errors.New("tikv_worker only supports tidb-cse mode")
}
configPath := filepath.Join(inst.Dir, "tikv_worker.toml")
if err := prepareConfig(
configPath,
inst.ConfigPath,
inst.getConfig(),
); err != nil {
return err
}
endpoints := pdEndpoints(inst.pds, true)
args := []string{
fmt.Sprintf("--addr=%s", utils.JoinHostPort(inst.Host, inst.Port)),
fmt.Sprintf("--log-file=%s", inst.LogFile()),
fmt.Sprintf("--pd-endpoints=%s", strings.Join(endpoints, ",")),
fmt.Sprintf("--config=%s", configPath),
}
inst.Process = &process{cmd: PrepareCommand(ctx, inst.BinPath, args, nil, inst.Dir)}
logIfErr(inst.Process.SetOutputFile(inst.LogFile()))
return inst.Process.Start()
}
// Component return the component name.
func (inst *TiKVWorkerInstance) Component() string {
return "tikv_worker"
}
// LogFile return the log file name.
func (inst *TiKVWorkerInstance) LogFile() string {
return filepath.Join(inst.Dir, "tikv_worker.log")
}
func (inst *TiKVWorkerInstance) getConfig() map[string]any {
config := make(map[string]any)
config["dfs.prefix"] = "tikv"
config["dfs.s3-endpoint"] = inst.shOpt.CSE.S3Endpoint
config["dfs.s3-key-id"] = inst.shOpt.CSE.AccessKey
config["dfs.s3-secret-key"] = inst.shOpt.CSE.SecretKey
config["dfs.s3-bucket"] = inst.shOpt.CSE.Bucket
config["dfs.s3-region"] = "local"
config["raft-engine.enabled"] = false
config["schema-manager.dir"] = filepath.Join(inst.Dir, "schemas")
config["schema-manager.schema-refresh-threshold"] = 1
config["schema-manager.enabled"] = true
config["schema-manager.keyspace-refresh-interval"] = "10s"
return config
}
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