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service.go
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service.go
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/*
* Tencent is pleased to support the open source community by making 蓝鲸 available.
* Copyright (C) 2017-2018 THL A29 Limited, a Tencent company. All rights reserved.
* Licensed under the MIT License (the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the License at
* http://opensource.org/licenses/MIT
* 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 service
import (
"configcenter/src/common"
"configcenter/src/common/backbone"
"configcenter/src/common/errors"
"configcenter/src/common/metric"
"configcenter/src/common/rdapi"
"configcenter/src/common/types"
"configcenter/src/storage"
"github.com/emicklei/go-restful"
redis "gopkg.in/redis.v5"
)
type Service struct {
*backbone.Engine
db storage.DI
cache *redis.Client
}
func (s *Service) SetDB(db storage.DI) {
s.db = db
}
func (s *Service) SetCache(db *redis.Client) {
s.cache = db
}
func (s *Service) WebService() *restful.WebService {
ws := new(restful.WebService)
getErrFun := func() errors.CCErrorIf {
return s.CCErr
}
ws.Path("/collector/v3").Filter(rdapi.AllGlobalFilter(getErrFun)).Produces(restful.MIME_JSON).Consumes(restful.MIME_JSON)
ws.Route(ws.GET("/healthz").To(s.Healthz))
return ws
}
func (s *Service) Healthz(req *restful.Request, resp *restful.Response) {
meta := metric.HealthMeta{IsHealthy: true}
// zk health status
zkItem := metric.HealthItem{IsHealthy: true, Name: types.CCFunctionalityServicediscover}
if err := s.Engine.Ping(); err != nil {
zkItem.IsHealthy = false
zkItem.Message = err.Error()
}
meta.Items = append(meta.Items, zkItem)
// topo server
objCtr := metric.HealthItem{IsHealthy: true, Name: types.CC_MODULE_TOPO}
if _, err := s.Engine.CoreAPI.Healthz().HealthCheck(types.CC_MODULE_TOPO); err != nil {
objCtr.IsHealthy = false
objCtr.Message = err.Error()
}
meta.Items = append(meta.Items, objCtr)
for _, item := range meta.Items {
if item.IsHealthy == false {
meta.IsHealthy = false
meta.Message = "datacolection server is unhealthy"
break
}
}
info := metric.HealthInfo{
Module: types.CC_MODULE_DATACOLLECTION,
HealthMeta: meta,
AtTime: types.Now(),
}
answer := metric.HealthResponse{
Code: common.CCSuccess,
Data: info,
OK: meta.IsHealthy,
Result: meta.IsHealthy,
Message: meta.Message,
}
resp.Header().Set("Content-Type", "application/json")
resp.WriteEntity(answer)
}