milvus/internal/kv/etcd/metakv_factory.go
Xiaofan 69087ff8dd
Support embedded etcd (#14333)
Signed-off-by: xiaofan-luan <xiaofan.luan@zilliz.com>
2021-12-29 14:35:21 +08:00

60 lines
2.0 KiB
Go

// Licensed to the LF AI & Data foundation under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you 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 etcdkv
import (
"github.com/milvus-io/milvus/internal/kv"
"github.com/milvus-io/milvus/internal/log"
"github.com/milvus-io/milvus/internal/util/etcd"
"github.com/milvus-io/milvus/internal/util/paramtable"
"go.etcd.io/etcd/server/v3/embed"
"go.uber.org/zap"
)
// NewMetaKvFactory returns an object that implements the kv.MetaKv interface using etcd.
// The UseEmbedEtcd in the param is used to determine whether the etcd service is external or embedded.
func NewMetaKvFactory(rootPath string, param *paramtable.BaseParamTable) (kv.MetaKv, error) {
log.Info("start etcd with rootPath",
zap.String("rootpath", rootPath),
zap.Bool("isEmbed", param.UseEmbedEtcd))
if param.UseEmbedEtcd {
path := param.EtcdConfigPath
var cfg *embed.Config
if len(path) > 0 {
cfgFromFile, err := embed.ConfigFromFile(path)
if err != nil {
return nil, err
}
cfg = cfgFromFile
} else {
cfg = embed.NewConfig()
}
cfg.Dir = param.EtcdDataDir
metaKv, err := NewEmbededEtcdKV(cfg, rootPath)
if err != nil {
return nil, err
}
return metaKv, err
}
client, err := etcd.GetEtcdClient(param)
if err != nil {
return nil, err
}
metaKv := NewEtcdKV(client, rootPath)
return metaKv, err
}