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May 9, 2017 19:56
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| // Copyright (c) 2017 Uber Technologies, Inc. | |
| // | |
| // Permission is hereby granted, free of charge, to any person obtaining a copy | |
| // of this software and associated documentation files (the "Software"), to deal | |
| // in the Software without restriction, including without limitation the rights | |
| // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
| // copies of the Software, and to permit persons to whom the Software is | |
| // furnished to do so, subject to the following conditions: | |
| // | |
| // The above copyright notice and this permission notice shall be included in | |
| // all copies or substantial portions of the Software. | |
| // | |
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
| // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
| // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
| // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
| // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
| // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
| // THE SOFTWARE. | |
| package cmd | |
| import ( | |
| "net" | |
| "strconv" | |
| "github.com/spf13/cobra" | |
| "go.uber.org/zap" | |
| "github.com/uber/jaeger/examples/hotrod/pkg/log" | |
| "github.com/uber/jaeger/examples/hotrod/pkg/tracing" | |
| "github.com/uber/jaeger/examples/hotrod/services/frontend" | |
| ) | |
| // frontendCmd represents the frontend command | |
| var frontendCmd = &cobra.Command{ | |
| Use: "frontend", | |
| Short: "Starts Frontend service", | |
| Long: `Starts Frontend service.`, | |
| RunE: func(cmd *cobra.Command, args []string) error { | |
| logger := log.NewFactory(logger.With(zap.String("service", "frontend"))) | |
| server := frontend.NewServer( | |
| net.JoinHostPort(frontendOptions.serverInterface, strconv.Itoa(frontendOptions.serverPort)), | |
| tracing.Init("frontend", metricsFactory.Namespace("frontend", nil), logger), | |
| logger, | |
| ) | |
| return server.Run() | |
| }, | |
| } | |
| var ( | |
| frontendOptions struct { | |
| serverInterface string | |
| serverPort int | |
| } | |
| ) | |
| func init() { | |
| RootCmd.AddCommand(frontendCmd) | |
| frontendCmd.Flags().StringVarP(&frontendOptions.serverInterface, "bind", "", "0.0.0.0", "interface to which the frontend server will bind") | |
| frontendCmd.Flags().IntVarP(&frontendOptions.serverPort, "port", "p", 8080, "port on which the frontend server will listen") | |
| } |
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| // Copyright (c) 2017 Uber Technologies, Inc. | |
| // | |
| // Permission is hereby granted, free of charge, to any person obtaining a copy | |
| // of this software and associated documentation files (the "Software"), to deal | |
| // in the Software without restriction, including without limitation the rights | |
| // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
| // copies of the Software, and to permit persons to whom the Software is | |
| // furnished to do so, subject to the following conditions: | |
| // | |
| // The above copyright notice and this permission notice shall be included in | |
| // all copies or substantial portions of the Software. | |
| // | |
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
| // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
| // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
| // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
| // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
| // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
| // THE SOFTWARE. | |
| package tracing | |
| import ( | |
| "fmt" | |
| "time" | |
| "github.com/opentracing/opentracing-go" | |
| "github.com/uber/jaeger-client-go/config" | |
| "github.com/uber/jaeger-client-go/rpcmetrics" | |
| "github.com/uber/jaeger-lib/metrics" | |
| "go.uber.org/zap" | |
| "github.com/uber/jaeger/examples/hotrod/pkg/log" | |
| ) | |
| // Init creates a new instance of Jaeger tracer. | |
| func Init(serviceName string, metricsFactory metrics.Factory, logger log.Factory) opentracing.Tracer { | |
| cfg := config.Configuration{ | |
| Sampler: &config.SamplerConfig{ | |
| Type: "const", | |
| Param: 1, | |
| }, | |
| Reporter: &config.ReporterConfig{ | |
| LocalAgentHostPort: "docker:5775", | |
| LogSpans: false, | |
| BufferFlushInterval: 1 * time.Second, | |
| }, | |
| } | |
| tracer, _, err := cfg.New( | |
| serviceName, | |
| config.Logger(jaegerLoggerAdapter{logger.Bg()}), | |
| config.Observer(rpcmetrics.NewObserver(metricsFactory, rpcmetrics.DefaultNameNormalizer)), | |
| ) | |
| if err != nil { | |
| logger.Bg().Fatal("cannot initialize Jaeger Tracer", zap.Error(err)) | |
| } | |
| return tracer | |
| } | |
| type jaegerLoggerAdapter struct { | |
| logger log.Logger | |
| } | |
| func (l jaegerLoggerAdapter) Error(msg string) { | |
| l.logger.Error(msg) | |
| } | |
| func (l jaegerLoggerAdapter) Infof(msg string, args ...interface{}) { | |
| l.logger.Info(fmt.Sprintf(msg, args...)) | |
| } |
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