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server.go
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server.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 app
import (
"context"
"fmt"
"os"
restful "github.com/emicklei/go-restful"
"configcenter/src/apimachinery"
"configcenter/src/apimachinery/util"
"configcenter/src/common"
"configcenter/src/common/backbone"
cc "configcenter/src/common/backbone/configcenter"
"configcenter/src/common/blog"
"configcenter/src/common/mapstr"
"configcenter/src/common/types"
"configcenter/src/common/version"
"configcenter/src/scene_server/topo_server/app/options"
"configcenter/src/scene_server/topo_server/core"
toposvr "configcenter/src/scene_server/topo_server/service"
)
// TopoServer the topo server
type TopoServer struct {
Core *backbone.Engine
Config options.Config
Service toposvr.TopoServiceInterface
}
func (t *TopoServer) onTopoConfigUpdate(previous, current cc.ProcessConfig) {
cfg, err := mapstr.NewFromInterface(current.ConfigMap)
if nil != err {
blog.Errorf("failed to update config, error info is %s", err.Error())
}
if err := cfg.MarshalJSONInto(&t.Config); nil != err {
blog.Errorf("failed to update config, error info is %s", err.Error())
}
blog.V(3).Infof("the new cfg:%#v the origin cfg:%#v", t.Config, current.ConfigMap)
t.Service.SetConfig(t.Config, t.Core)
}
// Run main function
func Run(ctx context.Context, op *options.ServerOption) error {
svrInfo, err := newServerInfo(op)
if err != nil {
return fmt.Errorf("wrap server info failed, err: %v", err)
}
blog.V(3).Infof("srv conf:", svrInfo)
c := &util.APIMachineryConfig{
ZkAddr: op.ServConf.RegDiscover,
QPS: 1000,
Burst: 2000,
TLSConfig: nil,
}
machinery, err := apimachinery.NewApiMachinery(c)
if err != nil {
return fmt.Errorf("new api machinery failed, err: %v", err)
}
regPath := fmt.Sprintf("%s/%s/%s", types.CC_SERV_BASEPATH, types.CC_MODULE_TOPO, svrInfo.IP)
topoSvr := new(TopoServer)
topoSvr.Config.BusinessTopoLevelMax = common.BKTopoBusinessLevelDefault
if err != nil {
return fmt.Errorf("new backbone failed, err: %v", err)
}
topoService := toposvr.New()
topoSvr.Service = topoService
server := backbone.Server{
ListenAddr: svrInfo.IP,
ListenPort: svrInfo.Port,
Handler: restful.NewContainer().Add(topoService.WebService()),
TLS: backbone.TLSConfig{},
}
bonC := &backbone.Config{
RegisterPath: regPath,
RegisterInfo: *svrInfo,
CoreAPI: machinery,
Server: server,
}
engine, err := backbone.NewBackbone(
ctx,
op.ServConf.RegDiscover,
types.CC_MODULE_TOPO,
op.ServConf.ExConfig,
topoSvr.onTopoConfigUpdate,
bonC)
if nil != err {
return fmt.Errorf("new engine failed, error is %s", err.Error())
}
topoSvr.Core = engine
topoService.SetOperation(core.New(engine.CoreAPI), engine.CCErr, engine.Language)
topoService.SetConfig(topoSvr.Config, engine)
select {
case <-ctx.Done():
}
return nil
}
func newServerInfo(op *options.ServerOption) (*types.ServerInfo, error) {
ip, err := op.ServConf.GetAddress()
if err != nil {
return nil, err
}
port, err := op.ServConf.GetPort()
if err != nil {
return nil, err
}
hostname, err := os.Hostname()
if err != nil {
return nil, err
}
info := &types.ServerInfo{
IP: ip,
Port: port,
HostName: hostname,
Scheme: "http",
Version: version.GetVersion(),
Pid: os.Getpid(),
}
return info, nil
}