tidb run_options 源码
tidb run_options 代码
文件路径：/br/pkg/lightning/run_options.go
// Copyright 2022 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,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package lightning
import (
"github.com/pingcap/tidb/br/pkg/lightning/glue"
"github.com/pingcap/tidb/br/pkg/lightning/log"
"github.com/pingcap/tidb/br/pkg/storage"
"github.com/pingcap/tidb/util/promutil"
"go.uber.org/zap"
)
type options struct {
glue glue.Glue
dumpFileStorage storage.ExternalStorage
checkpointStorage storage.ExternalStorage
checkpointName string
promFactory promutil.Factory
promRegistry promutil.Registry
logger log.Logger
}
type Option func(*options)
// WithGlue sets the glue to a lightning task.
// Typically, the glue is set when lightning is integrated with a TiDB.
func WithGlue(g glue.Glue) Option {
return func(o *options) {
o.glue = g
}
}
// WithDumpFileStorage sets the external storage to a lightning task.
// Typically, the external storage is set when lightning is integrated with dataflow engine by DM.
func WithDumpFileStorage(s storage.ExternalStorage) Option {
return func(o *options) {
o.dumpFileStorage = s
}
}
// WithCheckpointStorage sets the checkpoint name in external storage to a lightning task.
// Typically, the checkpoint name is set when lightning is integrated with dataflow engine by DM.
func WithCheckpointStorage(s storage.ExternalStorage, cpName string) Option {
return func(o *options) {
o.checkpointStorage = s
o.checkpointName = cpName
}
}
// WithPromFactory sets the prometheus factory to a lightning task.
func WithPromFactory(f promutil.Factory) Option {
return func(o *options) {
o.promFactory = f
}
}
// WithPromRegistry sets the prometheus registry to a lightning task.
// The task metrics will be registered to the registry before the task starts
// and unregistered after the task ends.
func WithPromRegistry(r promutil.Registry) Option {
return func(o *options) {
o.promRegistry = r
}
}
// WithLogger sets the logger to a lightning task.
func WithLogger(logger *zap.Logger) Option {
return func(o *options) {
o.logger = log.Logger{Logger: logger}
}
}
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