| /* |
| * 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 health |
| |
| import ( |
| "errors" |
| |
| "github.com/apache/servicecomb-service-center/server/alarm" |
| ) |
| |
| var healthChecker Checker = &DefaultHealthChecker{} |
| |
| type Checker interface { |
| Healthy() error |
| } |
| |
| type DefaultHealthChecker struct { |
| } |
| |
| func (hc *DefaultHealthChecker) Healthy() error { |
| for _, a := range alarm.ListAll() { |
| if a.ID == alarm.IDBackendConnectionRefuse && a.Status != alarm.Cleared { |
| return errors.New(a.FieldString(alarm.FieldAdditionalContext)) |
| } |
| } |
| return nil |
| } |
| |
| func SetGlobalHealthChecker(hc Checker) { |
| healthChecker = hc |
| } |
| |
| func GlobalHealthChecker() Checker { |
| return healthChecker |
| } |