forked from kelseyhightower/confd
/
confd.go
52 lines (49 loc) · 1.17 KB
/
confd.go
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// Copyright (c) 2013 Kelsey Hightower. All rights reserved.
// Use of this source code is governed by the Apache License, Version 2.0
// that can be found in the LICENSE file.
package main
import (
"flag"
"fmt"
"os"
"os/signal"
"syscall"
"time"
"github.com/kelseyhightower/confd/backends"
"github.com/kelseyhightower/confd/log"
"github.com/kelseyhightower/confd/resource/template"
)
func main() {
flag.Parse()
if printVersion {
fmt.Printf("confd %s\n", Version)
os.Exit(0)
}
if err := initConfig(); err != nil {
log.Fatal(err.Error())
}
log.Notice("Starting confd")
storeClient, err := backends.New(backendsConfig)
if err != nil {
log.Fatal(err.Error())
}
templateConfig.StoreClient = storeClient
signalChan := make(chan os.Signal, 1)
signal.Notify(signalChan, syscall.SIGINT, syscall.SIGTERM)
for {
runErrors := template.ProcessTemplateResources(templateConfig)
if onetime {
if len(runErrors) > 0 {
os.Exit(1)
}
os.Exit(0)
}
select {
case c := <-signalChan:
log.Info(fmt.Sprintf("captured %v exiting...", c))
os.Exit(0)
case <-time.After(time.Duration(config.Interval) * time.Second):
// Continue processing templates.
}
}
}