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main.go
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main.go
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// Copyright (c) 2018 The Jaeger 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.
package main
import (
"flag"
"time"
"github.com/opentracing/opentracing-go"
jaegerConfig "github.com/uber/jaeger-client-go/config"
jaegerZap "github.com/uber/jaeger-client-go/log/zap"
"github.com/uber/jaeger-lib/metrics/prometheus"
"go.uber.org/zap"
"github.com/jaegertracing/jaeger/internal/tracegen"
)
var logger, _ = zap.NewDevelopment()
func main() {
fs := flag.CommandLine
cfg := new(tracegen.Config)
cfg.Flags(fs)
flag.Parse()
metricsFactory := prometheus.New()
traceCfg := &jaegerConfig.Configuration{
ServiceName: cfg.Service,
Sampler: &jaegerConfig.SamplerConfig{
Type: "const",
Param: 1,
},
RPCMetrics: true,
}
traceCfg, err := traceCfg.FromEnv()
if err != nil {
logger.Fatal("failed to read tracer configuration", zap.Error(err))
}
tracer, tCloser, err := traceCfg.NewTracer(
jaegerConfig.Metrics(metricsFactory),
jaegerConfig.Logger(jaegerZap.NewLogger(logger)),
)
if err != nil {
logger.Fatal("failed to create tracer", zap.Error(err))
}
defer tCloser.Close()
opentracing.InitGlobalTracer(tracer)
logger.Info("Initialized global tracer")
tracegen.Run(cfg, logger)
logger.Info("Waiting 1.5sec for metrics to flush")
time.Sleep(3 * time.Second / 2)
}