| /* |
| * 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 bootstrap |
| |
| import ( |
| "log" |
| "strings" |
| |
| "github.com/apache/servicecomb-mesher/proxy/cmd" |
| "github.com/apache/servicecomb-mesher/proxy/common" |
| "github.com/apache/servicecomb-mesher/proxy/config" |
| "github.com/apache/servicecomb-mesher/proxy/register" |
| "github.com/apache/servicecomb-mesher/proxy/resolver" |
| |
| "github.com/apache/servicecomb-mesher/proxy/control" |
| "github.com/apache/servicecomb-mesher/proxy/pkg/egress" |
| "github.com/apache/servicecomb-mesher/proxy/pkg/metrics" |
| "github.com/apache/servicecomb-mesher/proxy/pkg/runtime" |
| "github.com/apache/servicecomb-mesher/proxy/resource/v1" |
| "github.com/apache/servicecomb-mesher/proxy/resource/v1/version" |
| "github.com/go-chassis/go-chassis" |
| "github.com/go-chassis/go-chassis/core/handler" |
| chassisHandler "github.com/go-chassis/go-chassis/core/handler" |
| "github.com/go-chassis/go-chassis/core/lager" |
| "github.com/go-chassis/go-chassis/core/metadata" |
| "github.com/go-mesh/openlogging" |
| ) |
| |
| // Start initialize configs and components |
| func Start() error { |
| if err := config.InitProtocols(); err != nil { |
| return err |
| } |
| if err := config.Init(); err != nil { |
| return err |
| } |
| if err := resolver.Init(); err != nil { |
| return err |
| } |
| if err := DecideMode(); err != nil { |
| return err |
| } |
| metrics.Init() |
| if err := v1.Init(); err != nil { |
| log.Println("Error occurred in starting admin server", err) |
| } |
| if err := register.AdaptEndpoints(); err != nil { |
| return err |
| } |
| if cmd.Configs.LocalServicePorts == "" { |
| lager.Logger.Warnf("local service ports is missing, service can not be called by mesher") |
| } else { |
| lager.Logger.Infof("local service ports is [%v]", cmd.Configs.PortsMap) |
| } |
| err := egress.Init() |
| if err != nil { |
| return err |
| } |
| |
| if err := control.Init(); err != nil { |
| return err |
| } |
| |
| return nil |
| |
| } |
| |
| //DecideMode get config mode |
| func DecideMode() error { |
| runtime.Role = cmd.Configs.Role |
| openlogging.GetLogger().Info("Running as " + runtime.Role) |
| return nil |
| } |
| |
| //RegisterFramework registers framework |
| func RegisterFramework() { |
| version := GetVersion() |
| if framework := metadata.NewFramework(); cmd.Configs.Role == common.RoleSidecar { |
| framework.SetName("Mesher") |
| framework.SetVersion(version) |
| framework.SetRegister("SIDECAR") |
| } else { |
| framework.SetName("Mesher") |
| framework.SetVersion(version) |
| } |
| } |
| |
| //GetVersion returns version |
| func GetVersion() string { |
| versionID := version.Ver().Version |
| if len(versionID) == 0 { |
| return version.DefaultVersion |
| } |
| return versionID |
| } |
| |
| //SetHandlers leverage go-chassis API to set default handlers if there is no define in chassis.yaml |
| func SetHandlers() { |
| consumerChain := strings.Join([]string{ |
| chassisHandler.Router, |
| chassisHandler.RateLimiterConsumer, |
| chassisHandler.BizkeeperConsumer, |
| chassisHandler.Loadbalance, |
| chassisHandler.Transport, |
| }, ",") |
| providerChain := strings.Join([]string{ |
| chassisHandler.RateLimiterProvider, |
| chassisHandler.Transport, |
| }, ",") |
| consumerChainMap := map[string]string{ |
| common.ChainConsumerOutgoing: consumerChain, |
| } |
| providerChainMap := map[string]string{ |
| common.ChainProviderIncoming: providerChain, |
| "default": chassisHandler.RateLimiterProvider, |
| } |
| chassis.SetDefaultConsumerChains(consumerChainMap) |
| chassis.SetDefaultProviderChains(providerChainMap) |
| } |
| |
| //InitEgressChain init the egress handler chain |
| func InitEgressChain() error { |
| egresschain := strings.Join([]string{ |
| handler.RateLimiterConsumer, |
| handler.BizkeeperConsumer, |
| handler.Transport, |
| }, ",") |
| |
| egressChainMap := map[string]string{ |
| common.ChainConsumerEgress: egresschain, |
| } |
| |
| return handler.CreateChains(common.ConsumerEgress, egressChainMap) |
| } |