forked from jaegertracing/jaeger
/
main.go
109 lines (96 loc) · 3.19 KB
/
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 (
"fmt"
"io"
"log"
"os"
"github.com/spf13/cobra"
"github.com/spf13/viper"
"github.com/uber/jaeger-lib/metrics"
_ "go.uber.org/automaxprocs"
"go.uber.org/zap"
"github.com/jaegertracing/jaeger/cmd/docs"
"github.com/jaegertracing/jaeger/cmd/env"
"github.com/jaegertracing/jaeger/cmd/flags"
"github.com/jaegertracing/jaeger/cmd/ingester/app"
"github.com/jaegertracing/jaeger/cmd/ingester/app/builder"
"github.com/jaegertracing/jaeger/pkg/config"
"github.com/jaegertracing/jaeger/pkg/version"
"github.com/jaegertracing/jaeger/plugin/storage"
"github.com/jaegertracing/jaeger/ports"
)
func main() {
svc := flags.NewService(ports.IngesterAdminHTTP)
storageFactory, err := storage.NewFactory(storage.FactoryConfigFromEnvAndCLI(os.Args, os.Stderr))
if err != nil {
log.Fatalf("Cannot initialize storage factory: %v", err)
}
v := viper.New()
command := &cobra.Command{
Use: "jaeger-ingester",
Short: "(experimental) Jaeger ingester consumes from Kafka and writes to storage.",
Long: `Jaeger ingester consumes spans from a particular Kafka topic and writes them to a configured storage.`,
RunE: func(cmd *cobra.Command, args []string) error {
if err := svc.Start(v); err != nil {
return err
}
logger := svc.Logger // shortcut
baseFactory := svc.MetricsFactory.Namespace(metrics.NSOptions{Name: "jaeger"})
metricsFactory := baseFactory.Namespace(metrics.NSOptions{Name: "ingester"})
storageFactory.InitFromViper(v)
if err := storageFactory.Initialize(baseFactory, logger); err != nil {
logger.Fatal("Failed to init storage factory", zap.Error(err))
}
spanWriter, err := storageFactory.CreateSpanWriter()
if err != nil {
logger.Fatal("Failed to create span writer", zap.Error(err))
}
options := app.Options{}
options.InitFromViper(v)
consumer, err := builder.CreateConsumer(logger, metricsFactory, spanWriter, options)
if err != nil {
logger.Fatal("Unable to create consumer", zap.Error(err))
}
consumer.Start()
svc.RunAndThen(func() {
if err = consumer.Close(); err != nil {
logger.Error("Failed to close consumer", zap.Error(err))
}
if closer, ok := spanWriter.(io.Closer); ok {
err := closer.Close()
if err != nil {
logger.Error("Failed to close span writer", zap.Error(err))
}
}
})
return nil
},
}
command.AddCommand(version.Command())
command.AddCommand(env.Command())
command.AddCommand(docs.Command(v))
config.AddFlags(
v,
command,
svc.AddFlags,
storageFactory.AddFlags,
app.AddFlags,
)
if err := command.Execute(); err != nil {
fmt.Println(err.Error())
os.Exit(1)
}
}