func main() {
flag.Parse()
if flags.Help {
flag.Usage()
os.Exit(2)
}
if flags.Version {
fmt.Printf("%s main: %s, data: %s\n", path.Base(os.Args[0]),
VERSION, cbgt.VERSION)
os.Exit(0)
}
if os.Getenv("GOMAXPROCS") == "" {
runtime.GOMAXPROCS(runtime.NumCPU())
}
mr, err := cbgt.NewMsgRing(os.Stderr, 1000)
if err != nil {
log.Fatalf("main: could not create MsgRing, err: %v", err)
}
log.SetOutput(mr)
log.Printf("main: %s started (%s/%s)",
os.Args[0], VERSION, cbgt.VERSION)
rand.Seed(time.Now().UTC().UnixNano())
go cmd.DumpOnSignalForPlatform()
MainWelcome(flagAliases)
s, err := os.Stat(flags.DataDir)
if err != nil {
if os.IsNotExist(err) {
if flags.DataDir == DEFAULT_DATA_DIR {
log.Printf("main: creating data directory, dataDir: %s",
flags.DataDir)
err = os.Mkdir(flags.DataDir, 0700)
if err != nil {
log.Fatalf("main: could not create data directory,"+
" dataDir: %s, err: %v", flags.DataDir, err)
}
} else {
log.Fatalf("main: data directory does not exist,"+
" dataDir: %s", flags.DataDir)
return
}
} else {
log.Fatalf("main: could not access data directory,"+
" dataDir: %s, err: %v", flags.DataDir, err)
return
}
} else {
if !s.IsDir() {
log.Fatalf("main: not a directory, dataDir: %s", flags.DataDir)
return
}
}
wd, err := os.Getwd()
if err != nil {
log.Fatalf("main: os.Getwd, err: %#v", err)
return
}
log.Printf("main: curr dir: %q", wd)
dataDirAbs, err := filepath.Abs(flags.DataDir)
if err != nil {
log.Fatalf("main: filepath.Abs, err: %#v", err)
return
}
log.Printf("main: data dir: %q", dataDirAbs)
// If cfg is down, we error, leaving it to some user-supplied
// outside watchdog to backoff and restart/retry.
cfg, err := cmd.MainCfg(cmdName, flags.CfgConnect,
flags.BindHttp, flags.Register, flags.DataDir)
if err != nil {
if err == cmd.ErrorBindHttp {
log.Fatalf("%v", err)
return
}
log.Fatalf("main: could not start cfg, cfgConnect: %s, err: %v\n"+
" Please check that your -cfg/-cfgConnect parameter (%q)\n"+
" is correct and/or that your configuration provider\n"+
" is available.",
flags.CfgConnect, err, flags.CfgConnect)
return
}
uuid := flags.UUID
if uuid != "" {
uuidPath :=
flags.DataDir + string(os.PathSeparator) + cmdName + ".uuid"
err = ioutil.WriteFile(uuidPath, []byte(uuid), 0600)
if err != nil {
log.Fatalf("main: could not write uuidPath: %s\n"+
" Please check that your -data/-dataDir parameter (%q)\n"+
" is to a writable directory where %s can persist data.",
uuidPath, flags.DataDir, cmdName)
return
}
}
if uuid == "" {
uuid, err = cmd.MainUUID(cmdName, flags.DataDir)
if err != nil {
log.Fatalf(fmt.Sprintf("%v", err))
return
}
}
var tagsArr []string
if flags.Tags != "" {
tagsArr = strings.Split(flags.Tags, ",")
}
expvars.Set("indexes", bleveHttp.IndexStats())
router, err := MainStart(cfg, uuid, tagsArr,
flags.Container, flags.Weight, flags.Extra,
flags.BindHttp, flags.DataDir,
flags.StaticDir, flags.StaticETag,
flags.Server, flags.Register, mr, flags.Options)
if err != nil {
log.Fatal(err)
}
if flags.Register == "unknown" {
log.Printf("main: unregistered node; now exiting")
os.Exit(0)
}
http.Handle("/", router)
log.Printf("main: listening on: %s", flags.BindHttp)
u := flags.BindHttp
if u[0] == ':' {
u = "localhost" + u
}
if strings.HasPrefix(u, "0.0.0.0:") {
u = "localhost" + u[len("0.0.0.0"):]
}
log.Printf("------------------------------------------------------------")
log.Printf("web UI / REST API is available: http://%s", u)
log.Printf("------------------------------------------------------------")
err = http.ListenAndServe(flags.BindHttp, nil)
if err != nil {
log.Fatalf("main: listen, err: %v\n"+
" Please check that your -bindHttp parameter (%q)\n"+
" is correct and available.", err, flags.BindHttp)
}
}
func main() {
flag.Parse()
if flags.Help {
flag.Usage()
os.Exit(2)
}
if flags.Version {
fmt.Printf("%s main: %s, data: %s\n", path.Base(os.Args[0]),
VERSION, cbgt.VERSION)
os.Exit(0)
}
if os.Getenv("GOMAXPROCS") == "" {
runtime.GOMAXPROCS(runtime.NumCPU())
}
mr, err := cbgt.NewMsgRing(os.Stderr, 1000)
if err != nil {
log.Fatalf("main: could not create MsgRing, err: %v", err)
}
log.SetOutput(mr)
log.SetLoggerCallback(LoggerFunc)
log.Printf("main: %s started (%s/%s)",
os.Args[0], VERSION, cbgt.VERSION)
rand.Seed(time.Now().UTC().UnixNano())
go cmd.DumpOnSignalForPlatform()
bleve.StoreDynamic = false
bleve.MappingJSONStrict = true
MainWelcome(flagAliases)
s, err := os.Stat(flags.DataDir)
if err != nil {
if os.IsNotExist(err) {
if flags.DataDir == DEFAULT_DATA_DIR {
log.Printf("main: creating data directory, dataDir: %s",
flags.DataDir)
err = os.Mkdir(flags.DataDir, 0700)
if err != nil {
log.Fatalf("main: could not create data directory,"+
" dataDir: %s, err: %v", flags.DataDir, err)
}
} else {
log.Fatalf("main: data directory does not exist,"+
" dataDir: %s", flags.DataDir)
return
}
} else {
log.Fatalf("main: could not access data directory,"+
" dataDir: %s, err: %v", flags.DataDir, err)
return
}
} else {
if !s.IsDir() {
log.Fatalf("main: not a directory, dataDir: %s", flags.DataDir)
return
}
}
cbft.SetAuthType(flags.AuthType)
wd, err := os.Getwd()
if err != nil {
log.Fatalf("main: os.Getwd, err: %#v", err)
return
}
log.Printf("main: curr dir: %q", wd)
dataDirAbs, err := filepath.Abs(flags.DataDir)
if err != nil {
log.Fatalf("main: filepath.Abs, err: %#v", err)
return
}
log.Printf("main: data dir: %q", dataDirAbs)
// User may supply a comma-separated list of HOST:PORT values for
// http addresss/port listening, but only the first entry is used
// for cbgt node and Cfg registration.
bindHttps := strings.Split(flags.BindHttp, ",")
// If cfg is down, we error, leaving it to some user-supplied
// outside watchdog to backoff and restart/retry.
cfg, err := cmd.MainCfg(cmdName, flags.CfgConnect,
bindHttps[0], flags.Register, flags.DataDir)
if err != nil {
if err == cmd.ErrorBindHttp {
log.Fatalf("%v", err)
return
}
log.Fatalf("main: could not start cfg, cfgConnect: %s, err: %v\n"+
" Please check that your -cfg/-cfgConnect parameter (%q)\n"+
" is correct and/or that your configuration provider\n"+
" is available.",
flags.CfgConnect, err, flags.CfgConnect)
return
}
uuid := flags.UUID
if uuid != "" {
uuidPath :=
flags.DataDir + string(os.PathSeparator) + cmdName + ".uuid"
err = ioutil.WriteFile(uuidPath, []byte(uuid), 0600)
if err != nil {
log.Fatalf("main: could not write uuidPath: %s\n"+
" Please check that your -data/-dataDir parameter (%q)\n"+
" is to a writable directory where %s can persist data.",
uuidPath, flags.DataDir, cmdName)
return
}
}
if uuid == "" {
uuid, err = cmd.MainUUID(cmdName, flags.DataDir)
if err != nil {
log.Fatalf(fmt.Sprintf("%v", err))
return
}
}
var tagsArr []string
if flags.Tags != "" {
tagsArr = strings.Split(flags.Tags, ",")
}
router, err := MainStart(cfg, uuid, tagsArr,
flags.Container, flags.Weight, flags.Extras,
bindHttps[0], flags.DataDir,
flags.StaticDir, flags.StaticETag,
flags.Server, flags.Register, mr, flags.Options)
if err != nil {
log.Fatal(err)
}
if flags.Register == "unknown" {
log.Printf("main: unregistered node; now exiting")
os.Exit(0)
}
http.Handle("/", router)
anyHostPorts := map[string]bool{}
// Bind to 0.0.0.0's first.
for _, bindHttp := range bindHttps {
if strings.HasPrefix(bindHttp, "0.0.0.0:") {
go MainServeHttp(bindHttp, nil)
anyHostPorts[bindHttp] = true
}
}
for i := len(bindHttps) - 1; i >= 1; i-- {
go MainServeHttp(bindHttps[i], anyHostPorts)
}
MainServeHttp(bindHttps[0], anyHostPorts)
<-(make(chan struct{})) // Block forever.
}