| /* |
| * Licensed to the Apache Software Foundation (ASF) 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 leader |
| |
| import ( |
| "github.com/pkg/errors" |
| ) |
| |
| import ( |
| "github.com/apache/dubbo-kubernetes/pkg/config/core" |
| core_runtime "github.com/apache/dubbo-kubernetes/pkg/core/runtime" |
| "github.com/apache/dubbo-kubernetes/pkg/core/runtime/component" |
| "github.com/apache/dubbo-kubernetes/pkg/plugins/leader/memory" |
| ) |
| |
| func NewLeaderElector(b *core_runtime.Builder) (component.LeaderElector, error) { |
| switch b.Config().DeployMode { |
| case core.UniversalMode: |
| //cfg := *b.Config().Store.Mysql |
| //db, err := common_mysql.ConnectToDb(cfg) |
| //if err != nil { |
| // return nil, errors.Wrap(err, "cloud not connect to mysql") |
| //} |
| //return leader_mysql.NewMysqlLeaderElector(db), nil |
| return memory.NewAlwaysLeaderElector(), nil |
| // In case of Kubernetes or half, Leader Elector is embedded in a Kubernetes ComponentManager |
| default: |
| return nil, errors.Errorf("no election leader for storage of type %s", b.Config().Store.Type) |
| } |
| } |