| /* |
| * 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 skywalking |
| |
| import ( |
| "context" |
| "github.com/apache/servicecomb-mesher/proxy/config" |
| gcconfig "github.com/go-chassis/go-chassis/core/config" |
| "github.com/go-chassis/go-chassis/core/invocation" |
| "github.com/go-mesh/openlogging" |
| "github.com/tetratelabs/go2sky" |
| "github.com/tetratelabs/go2sky/reporter" |
| ) |
| |
| const ( |
| CrossProcessProtocolV2 = "Sw6" |
| SkyWalkingConsumer = "skywalking-consumer" |
| SkyWalkingProvider = "skywalking-provider" |
| SkyWalkingName = "skywalking" |
| DeafaultSWServerURI = "127.0.0.1:11800" |
| ) |
| |
| var r go2sky.Reporter |
| var tracer *go2sky.Tracer |
| |
| //CreateEntrySpan use tracer to create and start an entry span for incoming request |
| func CreateEntrySpan(i *invocation.Invocation) (go2sky.Span, context.Context, error) { |
| return tracer.CreateEntrySpan(i.Ctx, i.MicroServiceName+i.URLPathFormat, func() (string, error) { |
| return i.Headers()[CrossProcessProtocolV2], nil |
| }) |
| } |
| |
| //CreateExitSpan use tracer to create and start an exit span for client |
| func CreateExitSpan(ctx context.Context, i *invocation.Invocation) (go2sky.Span, error) { |
| return tracer.CreateExitSpan(ctx, i.MicroServiceName+i.URLPathFormat, i.Endpoint+i.URLPathFormat, func(header string) error { |
| i.SetHeader(CrossProcessProtocolV2, header) |
| return nil |
| }) |
| } |
| |
| //CreateLocalSpan use tracer to create and start a span for local usage |
| func CreateLocalSpan(ctx context.Context, opts ...go2sky.SpanOption) (go2sky.Span, context.Context, error) { |
| return tracer.CreateLocalSpan(ctx, opts...) |
| } |
| |
| //Init skywalking manager |
| func Init() { |
| openlogging.GetLogger().Debugf("SkyWalking manager Init begin config:%#v", config.GetConfig().ServiceComb.APM) |
| var err error |
| serverURI := DeafaultSWServerURI |
| if config.GetConfig().ServiceComb.APM.Tracing.ServerURI != "" && config.GetConfig().ServiceComb.APM.Tracing.Enable { |
| serverURI = config.GetConfig().ServiceComb.APM.Tracing.ServerURI |
| } |
| r, err = reporter.NewGRPCReporter(serverURI) |
| if err != nil { |
| openlogging.GetLogger().Errorf("NewGRPCReporter error:%s ", err.Error()) |
| } |
| tracer, err = go2sky.NewTracer(gcconfig.MicroserviceDefinition.Name, go2sky.WithReporter(r)) |
| if err != nil { |
| openlogging.GetLogger().Errorf("NewTracer error " + err.Error()) |
| } |
| //tracer.WaitUntilRegister() |
| openlogging.GetLogger().Debugf("SkyWalking manager Init end") |
| } |