func setLogLevel(level string) {
level = strings.ToLower(level)
var l = log.LEVEL_INFO
switch level {
case "error":
l = log.LEVEL_ERROR
case "warn", "warning":
l = log.LEVEL_WARN
case "debug":
l = log.LEVEL_DEBUG
case "info":
fallthrough
default:
level = "info"
l = log.LEVEL_INFO
}
log.SetLevel(l)
log.SetInfoLogLevel(l)
log.Infof("set log level to <%s>", level)
}
func main() {
fmt.Print(banner)
args, err := docopt.Parse(usage, nil, true, "codis proxy v0.1", true)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
// set config file
if args["-c"] != nil {
configFile = args["-c"].(string)
}
/*
var maxFileFrag = 10
var maxFragSize int64 = bytesize.GB * 1
if s, ok := args["--log-filesize"].(string); ok && s != "" {
v, err := bytesize.Parse(s)
if err != nil {
log.PanicErrorf(err, "invalid max log file size = %s", s)
}
maxFragSize = v
}
*/
// set output log file
if s, ok := args["-L"].(string); ok && s != "" {
//f, err := log.NewRollingFile(s, maxFileFrag, maxFragSize)
f, err := log.GetLogFile(s)
if err != nil {
log.PanicErrorf(err, "open rolling log file failed: %s", s)
} else {
defer f.Close()
log.StdLog = log.New(f, "")
}
}
log.SetLevel(log.LEVEL_INFO)
log.SetFlags(log.Flags() | log.Lshortfile)
// set info log file
if s, ok := args["--infoLog"].(string); ok && s != "" {
//f, err := log.NewRollingFile(s, maxFileFrag, maxFragSize)
f, err := log.GetLogFile(s)
if err != nil {
log.PanicErrorf(err, "open info log file failed: %s", s)
} else {
defer f.Close()
log.InfoLog = log.New(f, "")
}
log.SetInfoLogLevel(log.LEVEL_INFO)
log.SetInfoLogFlags(log.Flags() | log.Lshortfile)
}
// set log level
if s, ok := args["--log-level"].(string); ok && s != "" {
setLogLevel(s)
}
cpus = runtime.NumCPU()
// set cpu
if args["--cpu"] != nil {
cpus, err = strconv.Atoi(args["--cpu"].(string))
if err != nil {
log.PanicErrorf(err, "parse cpu number failed")
}
}
// set addr
if args["--addr"] != nil {
addr = args["--addr"].(string)
}
// set http addr
if args["--http-addr"] != nil {
httpAddr = args["--http-addr"].(string)
}
checkUlimit(1024)
runtime.GOMAXPROCS(cpus)
http.HandleFunc("/setloglevel", handleSetLogLevel)
go http.ListenAndServe(httpAddr, nil)
log.Info("running on ", addr)
conf, err := proxy.LoadConf(configFile)
if err != nil {
log.PanicErrorf(err, "load config failed")
}
c := make(chan os.Signal, 1)
signal.Notify(c, os.Interrupt, syscall.SIGTERM, syscall.SIGQUIT, os.Kill)
s := proxy.New(addr, httpAddr, conf)
defer s.Close()
stats.PublishJSONFunc("router", func() string {
var m = make(map[string]interface{})
m["ops"] = router.OpCounts()
m["cmds"] = router.GetAllOpStats()
m["info"] = s.Info()
m["build"] = map[string]interface{}{
"version": utils.Version,
"compile": utils.Compile,
}
m["slowop"] = router.GetSlowOps()
b, _ := json.Marshal(m)
return string(b)
})
go func() {
<-c
log.Info("ctrl-c or SIGTERM found, bye bye...")
s.Close()
}()
time.Sleep(time.Second)
if err := s.SetMyselfOnline(); err != nil {
log.WarnError(err, "mark myself online fail, you need mark online manually by dashboard")
}
s.Join()
log.Infof("proxy exit!! :(")
}