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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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| { | ||
| "servers": [ | ||
| { | ||
| "default_log_path": "stdout", | ||
| "default_log_level": "INFO", | ||
| "listeners": [ | ||
| { | ||
| "name": "grpc", | ||
| "address": "0.0.0.0:34904", | ||
| "bind_port": true, | ||
| "filter_chains": [ | ||
| { | ||
| "filters": [ | ||
| { | ||
| "type": "grpc", | ||
| "config": { | ||
| "server_name": "runtime", | ||
| "grpc_config": { | ||
| "hellos": { | ||
| "quick_start_demo": { | ||
| "type": "helloworld", | ||
| "hello": "greeting" | ||
| } | ||
| }, | ||
| "config_store": { | ||
| "config_demo": { | ||
| "type": "etcd", | ||
| "address": [ | ||
| "127.0.0.1:2379" | ||
| ], | ||
| "timeout": "10" | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| ] | ||
| } | ||
| ], | ||
| "stream_filters": [ | ||
| { | ||
| "type": "flowControlFilter", | ||
| "config": { | ||
| "global_switch": true, | ||
| "limit_key_type": "PATH", | ||
| "rules": [ | ||
| { | ||
| "resource": "/spec.proto.runtime.v1.Runtime/SayHello", | ||
| "grade": 1, | ||
| "threshold": 5 | ||
| } | ||
| ] | ||
| } | ||
| }, | ||
| { | ||
| "type": "grpc_metric" | ||
| } | ||
| ] | ||
| } | ||
| ] | ||
| } | ||
| ], | ||
| "tracing": { | ||
| "enable": true, | ||
| "driver": "jaeger", | ||
| "config": { | ||
| "config": { | ||
| "service_name": "layotto", | ||
| "strategy": "collector" | ||
| } | ||
| } | ||
| }, | ||
| "metrics": { | ||
| "sinks": [ | ||
| { | ||
| "type": "prometheus", | ||
| "config": { | ||
| "port": 34903 | ||
| } | ||
| } | ||
| ] | ||
| } | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,213 @@ | ||
| /* | ||
| * Copyright 2021 Layotto Authors | ||
| * | ||
| * Licensed 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. | ||
| */ | ||
|
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| package jaeger | ||
|
|
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| import ( | ||
| "context" | ||
| "os" | ||
| "time" | ||
|
|
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| "github.com/pkg/errors" | ||
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| "github.com/opentracing/opentracing-go" | ||
| jaegerc "github.com/uber/jaeger-client-go" | ||
| "github.com/uber/jaeger-client-go/config" | ||
| "mosn.io/api" | ||
| "mosn.io/mosn/pkg/log" | ||
| "mosn.io/mosn/pkg/trace" | ||
| "mosn.io/mosn/pkg/trace/jaeger" | ||
| "mosn.io/mosn/pkg/types" | ||
|
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| ltrace "mosn.io/layotto/components/trace" | ||
| "mosn.io/layotto/diagnostics/grpc" | ||
| "mosn.io/layotto/diagnostics/protocol" | ||
| ) | ||
|
|
||
| const ( | ||
| serviceName = "service_name" | ||
| strategy = "strategy" | ||
| agentHost = "agent_host" | ||
| collectorEndpoint = "collector_endpoint" | ||
| defaultServiceName = "layotto" | ||
| defaultJaegerAgentHost = "127.0.0.1:6831" | ||
| jaegerAgentHostKey = "TRACE" | ||
| appIDKey = "APP_ID" | ||
| defaultCollectorEndpoint = "http://127.0.0.1:14268/api/traces" | ||
| defaultStrategy = "collector" | ||
| configs = "config" | ||
| ) | ||
|
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| type grpcJaegerTracer struct { | ||
| tracer opentracing.Tracer | ||
| } | ||
|
|
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| type grpcJaegerSpan struct { | ||
| *ltrace.Span | ||
| ctx context.Context | ||
| trace *grpcJaegerTracer | ||
| jaegerSpan opentracing.Span | ||
| spanCtx jaegerc.SpanContext | ||
| } | ||
|
|
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| func init() { | ||
| trace.RegisterTracerBuilder(jaeger.DriverName, protocol.Layotto, NewGrpcJaegerTracer) | ||
| } | ||
|
|
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| func NewGrpcJaegerTracer(traceCfg map[string]interface{}) (api.Tracer, error) { | ||
| // 1. construct the ReporterConfig, which is used to communicate with jaeger | ||
| var reporter *config.ReporterConfig | ||
|
|
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| // Determining whether to start the agent | ||
| strategy, err := getStrategy(traceCfg) | ||
|
|
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| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
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| if strategy == defaultStrategy { | ||
| reporter = &config.ReporterConfig{ | ||
| LogSpans: false, | ||
| BufferFlushInterval: 1 * time.Second, | ||
| CollectorEndpoint: getCollectorEndpoint(traceCfg), | ||
| } | ||
| } else { | ||
| reporter = &config.ReporterConfig{ | ||
| LogSpans: false, | ||
| BufferFlushInterval: 1 * time.Second, | ||
| LocalAgentHostPort: getAgentHost(traceCfg), | ||
| } | ||
| } | ||
| // 2. construct the Configuration | ||
| cfg := config.Configuration{ | ||
| Disabled: false, | ||
| Sampler: &config.SamplerConfig{ | ||
| Type: "const", | ||
| Param: 1, | ||
| }, | ||
| Reporter: reporter, | ||
| } | ||
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| cfg.ServiceName = getServiceName(traceCfg) | ||
|
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| // 3. use the Configuration to construct a new tracer | ||
| tracer, _, err := cfg.NewTracer() | ||
|
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| log.DefaultLogger.Infof("[layotto] [jaeger] [tracer] report service name:%s", getServiceName(traceCfg)) | ||
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| if err != nil { | ||
| log.DefaultLogger.Errorf("[layotto] [jaeger] [tracer] cannot initialize Jaeger Tracer") | ||
| return nil, err | ||
| } | ||
|
|
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| // 4. adapt to the `api.Tracer` | ||
| return &grpcJaegerTracer{ | ||
| tracer: tracer, | ||
| }, nil | ||
| } | ||
|
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| func getAgentHost(traceCfg map[string]interface{}) string { | ||
| if cfg, ok := traceCfg[configs]; ok { | ||
| host := cfg.(map[string]interface{}) | ||
| if agentHost, ok := host[agentHost]; ok { | ||
| return agentHost.(string) | ||
| } | ||
| } | ||
|
|
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| //if TRACE is not set, get it from the env variable | ||
| if host := os.Getenv(jaegerAgentHostKey); host != "" { | ||
| return host | ||
| } | ||
|
|
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| return defaultJaegerAgentHost | ||
| } | ||
|
|
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| func getStrategy(traceCfg map[string]interface{}) (string, error) { | ||
| if cfg, ok := traceCfg[configs]; ok { | ||
| str := cfg.(map[string]interface{}) | ||
| k, ok := str[strategy] | ||
| if ok && (k.(string) == defaultStrategy || k.(string) == "agent") { | ||
| return k.(string), nil | ||
| } else if ok { | ||
| return "", errors.New("Unknown Strategy") | ||
| } | ||
| } | ||
|
|
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| return defaultStrategy, nil | ||
| } | ||
|
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| func getCollectorEndpoint(traceCfg map[string]interface{}) string { | ||
| if cfg, ok := traceCfg[configs]; ok { | ||
| endpoint := cfg.(map[string]interface{}) | ||
| if collectorEndpoint, ok := endpoint[collectorEndpoint]; ok { | ||
| return collectorEndpoint.(string) | ||
| } | ||
| } | ||
|
|
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| return defaultCollectorEndpoint | ||
| } | ||
|
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| func getServiceName(traceCfg map[string]interface{}) string { | ||
| if cfg, ok := traceCfg[configs]; ok { | ||
| name := cfg.(map[string]interface{}) | ||
| if service, ok := name[serviceName]; ok { | ||
| return service.(string) | ||
| } | ||
| } | ||
|
|
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| //if service_name is not set, get it from the env variable | ||
| if appID := os.Getenv(appIDKey); appID != "" { | ||
| return appID + "_sidecar" | ||
| } | ||
|
|
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| return defaultServiceName | ||
| } | ||
|
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| func (t *grpcJaegerTracer) Start(ctx context.Context, request interface{}, startTime time.Time) api.Span { | ||
| header, ok := request.(*grpc.RequestInfo) | ||
| if !ok { | ||
| log.DefaultLogger.Debugf("[layotto] [jaeger] [tracer] unable to get request header, downstream trace ignored") | ||
| return &jaeger.Span{} | ||
| } | ||
|
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| //create entry span (downstream) | ||
| sp, _ := opentracing.StartSpanFromContextWithTracer(ctx, t.tracer, header.FullMethod) | ||
|
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| //renew span context | ||
| newSpanCtx, _ := sp.Context().(jaegerc.SpanContext) | ||
|
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| return &grpcJaegerSpan{ | ||
| trace: t, | ||
| ctx: ctx, | ||
| Span: <race.Span{}, | ||
| spanCtx: newSpanCtx, | ||
| jaegerSpan: sp, | ||
| } | ||
| } | ||
|
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| func (s *grpcJaegerSpan) TraceId() string { | ||
| return s.spanCtx.TraceID().String() | ||
| } | ||
|
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| func (s *grpcJaegerSpan) InjectContext(requestHeaders types.HeaderMap, requestInfo api.RequestInfo) { | ||
| } | ||
|
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| func (s *grpcJaegerSpan) SetRequestInfo(requestInfo api.RequestInfo) { | ||
| } | ||
|
|
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| func (s *grpcJaegerSpan) FinishSpan() { | ||
| s.jaegerSpan.Finish() | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,29 @@ | ||
| #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. | ||
|
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| version: '3.3' | ||
| services: | ||
| jaegertracing-all-in-one: | ||
| image: jaegertracing/all-in-one:latest | ||
| ports: | ||
| - "5775:5775/udp" | ||
| - "16686:16686" | ||
| - "14250:14250" | ||
| - "14268:14268" | ||
| - "6831:6831" | ||
|
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