blob: 7936036d53b447441fd61dbbdc9d3f5840c372b4 [file] [log] [blame]
// 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 main
import (
"errors"
"fmt"
"os"
"os/signal"
"runtime"
"strings"
"syscall"
"github.com/apache/incubator-pegasus/collector/avail"
"github.com/apache/incubator-pegasus/collector/hotspot"
"github.com/apache/incubator-pegasus/collector/metrics"
"github.com/apache/incubator-pegasus/collector/webui"
"github.com/prometheus/client_golang/prometheus"
log "github.com/sirupsen/logrus"
"github.com/spf13/viper"
"gopkg.in/natefinch/lumberjack.v2"
"gopkg.in/tomb.v2"
)
// callerPrettifier simplifies the caller info
func callerPrettifier(f *runtime.Frame) (function string, file string) {
function = f.Function[strings.LastIndex(f.Function, "/")+1:]
file = fmt.Sprint(f.File[strings.LastIndex(f.File, "/")+1:], ":", f.Line)
return function, file
}
// setupSignalHandler setup signal handler for collector
func setupSignalHandler(shutdownFunc func()) {
closeSignalChan := make(chan os.Signal, 1)
signal.Notify(closeSignalChan,
syscall.SIGHUP,
syscall.SIGINT,
syscall.SIGTERM,
syscall.SIGQUIT)
go func() {
sig := <-closeSignalChan
log.Infof("got signal %s to exit", sig.String())
shutdownFunc()
}()
}
func main() {
// initialize logging
log.SetFormatter(&log.TextFormatter{
DisableColors: true,
FullTimestamp: true,
CallerPrettyfier: callerPrettifier,
})
log.SetOutput(&lumberjack.Logger{ // rolling log
Filename: "./pegasus.log",
MaxSize: 50, // MegaBytes
MaxAge: 2, // days
LocalTime: true,
})
log.SetReportCaller(true)
// TODO(wutao1): use args[1] as config path
viper.SetConfigFile("config.yml")
viper.SetConfigType("yaml")
if err := viper.ReadInConfig(); err != nil {
log.Fatal("failed to read config: ", err)
return
}
registry := prometheus.NewRegistry()
webui.StartWebServer(registry)
tom := &tomb.Tomb{}
setupSignalHandler(func() {
tom.Kill(errors.New("Collector terminates")) // kill other goroutines
})
tom.Go(func() error {
// Set detect inteverl and detect timeout 10s.
return avail.NewDetector(10000000000, 10000000000, 16).Run(tom)
})
tom.Go(func() error {
return metrics.NewMetaServerMetricCollector().Run(tom)
})
tom.Go(func() error {
return metrics.NewReplicaServerMetricCollector().Run(tom)
})
tom.Go(func() error {
conf := hotspot.PartitionDetectorConfig{
DetectInterval: viper.GetDuration("hotspot.partition_detect_interval"),
}
return hotspot.NewPartitionDetector(conf).Run(tom)
})
err := tom.Wait()
if err != nil {
log.Error("Collector exited abnormally:", err)
return
}
log.Info("Collector exited normally.")
}