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topod.go
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topod.go
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package main
import (
"fmt"
"os"
"os/signal"
"syscall"
"github.com/leightonwong/topod/conf/template"
"github.com/leightonwong/topod/logger"
storage "github.com/leightonwong/topod/store"
)
func main() {
logger.SetLevel(options.Debug, options.Verbose)
if options.Version {
fmt.Printf("Topod version %s\n", Version)
os.Exit(0)
}
if err := initConfig(); err != nil {
logger.Log.Fatal(err.Error())
}
logger.Log.Notice("Starting topod")
storeClient, _ := storage.NewClient(storeConfig)
templateConfig.StoreClient = storeClient
if options.Verbs == "gen" {
if err := template.ProcessOnce(&templateConfig); err != nil {
logger.Log.Error("Generate config file error: %s", err.Error())
os.Exit(1)
}
os.Exit(0)
}
stopChan := make(chan bool)
doneChan := make(chan bool)
errChan := make(chan error, 10)
var processor template.Processor
switch options.Verbs {
case "watch":
processor = template.NewWatcher(&templateConfig, stopChan, doneChan, errChan)
case "pull":
fmt.Println("Pull interval not implement")
os.Exit(0)
default:
processor = template.NewWatcher(&templateConfig, stopChan, doneChan, errChan)
}
go processor.Process()
signalChan := make(chan os.Signal, 1)
signal.Notify(signalChan, syscall.SIGINT, syscall.SIGTERM)
for {
select {
case err := <-errChan:
logger.Log.Error(err.Error())
case s := <-signalChan:
logger.Log.Info("captured %v exiting...", s)
close(doneChan)
case <-doneChan:
os.Exit(0)
}
}
}