| /* |
| * 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" |
| "fmt" |
| |
| "github.com/apache/servicecomb-mesher/proxy/resource/v1/version" |
| "github.com/go-chassis/go-chassis/core/config" |
| "github.com/go-chassis/go-chassis/core/registry" |
| "github.com/go-chassis/go-chassis/pkg/runtime" |
| "github.com/go-mesh/openlogging" |
| ) |
| |
| //GetMesherHealth returns health |
| func GetMesherHealth() *Health { |
| serviceName, version, err := getServiceStatus() |
| if err != nil { |
| openlogging.Error("health check failed: " + err.Error()) |
| resp := &Health{ |
| ServiceName: serviceName, |
| Version: version, |
| Status: Green, |
| Error: "", |
| } |
| resp.Status = Red |
| resp.Error = err.Error() |
| return resp |
| } |
| resp := &Health{ |
| ServiceName: serviceName, |
| Version: version, |
| Status: Green, |
| Error: "", |
| } |
| return resp |
| } |
| |
| func getServiceStatus() (serviceName, v string, err error) { |
| appID := runtime.App |
| microServiceName := runtime.ServiceName |
| v = runtime.Version |
| if v == "" { |
| v = version.DefaultVersion |
| } |
| environment := config.MicroserviceDefinition.ServiceDescription.Environment |
| serviceID, err := registry.DefaultServiceDiscoveryService.GetMicroServiceID(appID, microServiceName, v, environment) |
| if err != nil { |
| return microServiceName, v, err |
| } |
| if len(serviceID) == 0 { |
| return microServiceName, v, errors.New("serviceID is empty") |
| } |
| instances, err := registry.DefaultServiceDiscoveryService.GetMicroServiceInstances(serviceID, serviceID) |
| if err != nil { |
| return microServiceName, v, err |
| } |
| if len(instances) == 0 { |
| return microServiceName, v, errors.New("no instance found") |
| } |
| for _, instance := range instances { |
| ok, err := registry.DefaultRegistrator.Heartbeat(serviceID, instance.InstanceID) |
| if err != nil { |
| return microServiceName, v, err |
| } |
| if !ok { |
| e := fmt.Errorf("heartbeat failed, instanceId: %s", instance.InstanceID) |
| return microServiceName, v, e |
| } |
| } |
| return microServiceName, v, nil |
| } |