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telegraf.go
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telegraf.go
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package main
import (
"flag"
"fmt"
"log"
"os"
"os/signal"
"strings"
"github.com/influxdb/telegraf"
_ "github.com/influxdb/telegraf/plugins/all"
)
var fDebug = flag.Bool("debug", false, "show metrics as they're generated to stdout")
var fTest = flag.Bool("test", false, "gather metrics, print them out, and exit")
var fConfig = flag.String("config", "", "configuration file to load")
var fVersion = flag.Bool("version", false, "display the version")
var fSampleConfig = flag.Bool("sample-config", false, "print out full sample configuration")
var Version = "unreleased"
func main() {
flag.Parse()
if *fVersion {
fmt.Printf("InfluxDB Telegraf agent - Version %s\n", Version)
return
}
if *fSampleConfig {
telegraf.PrintSampleConfig()
return
}
var (
config *telegraf.Config
err error
)
if *fConfig != "" {
config, err = telegraf.LoadConfig(*fConfig)
if err != nil {
log.Fatal(err)
}
} else {
config = telegraf.DefaultConfig()
}
ag, err := telegraf.NewAgent(config)
if err != nil {
log.Fatal(err)
}
if *fDebug {
ag.Debug = true
}
plugins, err := ag.LoadPlugins()
if err != nil {
log.Fatal(err)
}
if *fTest {
if *fConfig != "" {
err = ag.Test()
} else {
err = ag.TestAllPlugins()
}
if err != nil {
log.Fatal(err)
}
return
}
err = ag.Connect()
if err != nil {
log.Fatal(err)
}
shutdown := make(chan struct{})
signals := make(chan os.Signal)
signal.Notify(signals, os.Interrupt)
go func() {
<-signals
close(shutdown)
}()
log.Print("InfluxDB Agent running")
log.Printf("Loaded plugins: %s", strings.Join(plugins, " "))
if ag.Debug {
log.Printf("Debug: enabled")
log.Printf("Agent Config: Interval:%s, Debug:%#v, Hostname:%#v\n",
ag.Interval, ag.Debug, ag.Hostname)
}
if config.URL != "" {
log.Printf("Sending metrics to: %s", config.URL)
log.Printf("Tags enabled: %v", config.ListTags())
}
ag.Run(shutdown)
}