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]), cbgt.VERSION, cbgt.VERSION)
os.Exit(0)
}
cmd.MainCommon(cbgt.VERSION, flagAliases)
options := cmd.ParseOptions(flags.Options, "CBGTCTL_ENV_OPTIONS", nil)
cfg, err := cmd.MainCfgClient(path.Base(os.Args[0]), flags.CfgConnect)
if err != nil {
log.Fatalf("%v", err)
return
}
if flags.IndexTypes != "" {
cmd.RegisterIndexTypes(strings.Split(flags.IndexTypes, ","))
}
nodesToRemove := []string(nil)
if len(flags.RemoveNodes) > 0 {
nodesToRemove = strings.Split(flags.RemoveNodes, ",")
}
steps := map[string]bool{}
if flags.Steps != "" {
steps = cbgt.StringsToMap(strings.Split(flags.Steps, ","))
}
// ------------------------------------------------
if steps != nil && steps["rebalance"] {
steps["rebalance_"] = true
steps["unregister"] = true
steps["planner"] = true
}
// ------------------------------------------------
if steps != nil && steps["rebalance_"] {
log.Printf("main: step rebalance_")
err := rebalance.RunRebalance(cfg, flags.Server, options,
nodesToRemove, flags.FavorMinNodes,
flags.DryRun, flags.Verbose, nil)
if err != nil {
log.Fatalf("main: RunRebalance, err: %v", err)
return
}
}
// ------------------------------------------------
err = cmd.PlannerSteps(steps, cfg, cbgt.VERSION,
flags.Server, options, nodesToRemove, flags.DryRun, nil)
if err != nil {
log.Fatalf("main: PlannerSteps, err: %v", err)
return
}
// ------------------------------------------------
var c *ctl.Ctl
if steps != nil && (steps["service"] || steps["rest"] || steps["prompt"]) {
c, err = ctl.StartCtl(cfg, flags.Server, options, ctl.CtlOptions{
DryRun: flags.DryRun,
Verbose: flags.Verbose,
FavorMinNodes: flags.FavorMinNodes,
WaitForMemberNodes: flags.WaitForMemberNodes,
})
if err != nil {
log.Fatalf("main: StartCtl, err: %v", err)
return
}
if steps["service"] {
// TODO.
}
if steps["rest"] {
bindHttp := flags.BindHttp
if bindHttp[0] == ':' {
bindHttp = "localhost" + bindHttp
}
if strings.HasPrefix(bindHttp, "0.0.0.0:") {
bindHttp = "localhost" + bindHttp[len("0.0.0.0"):]
}
http.Handle("/", newRestRouter(c))
go func() {
log.Printf("------------------------------------------------------------")
log.Printf("REST API is available: http://%s", bindHttp)
log.Printf("------------------------------------------------------------")
err := http.ListenAndServe(bindHttp, nil) // Blocks.
if err != nil {
log.Fatalf("main: listen, err: %v\n"+
" Please check that your -bindHttp parameter (%q)\n"+
" is correct and available.", err, bindHttp)
}
}()
}
if steps["prompt"] {
go runCtlPrompt(c)
}
<-make(chan struct{})
}
// ------------------------------------------------
log.Printf("main: done")
}
func main() {
platform.HideConsole(true)
defer platform.HideConsole(false)
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())
// disabling as speculative change for
// https://issues.couchbase.com/browse/MB-20002
// theory being that invoking signal.Notify()
// interferes with forestdb signal handler
// 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)
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("%v", err)
return
}
}
options := cmd.ParseOptions(flags.Options, "CBFT_ENV_OPTIONS",
map[string]string{
"managerLoadDataDir": "async",
"authType": flags.AuthType,
})
err = InitHttpOptions(options)
if err != nil {
log.Fatalf("main: InitHttpOptions, err: %v", err)
return
}
// User may supply a comma-separated list of HOST:PORT values for
// http addresss/port listening, but only the first http entry
// is used for cbgt node and Cfg registration.
bindHttpList := 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.MainCfgEx(cmdName, flags.CfgConnect,
bindHttpList[0], flags.Register, flags.DataDir, uuid, options)
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
}
var tagsArr []string
if flags.Tags != "" {
tagsArr = strings.Split(flags.Tags, ",")
}
router, err := MainStart(cfg, uuid, tagsArr,
flags.Container, flags.Weight, flags.Extras,
bindHttpList[0], flags.DataDir,
flags.StaticDir, flags.StaticETag,
flags.Server, flags.Register, mr, 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 http listening.
for _, bindHttp := range bindHttpList {
if strings.HasPrefix(bindHttp, "0.0.0.0:") {
go MainServeHttp("http", bindHttp, nil, "", "")
anyHostPorts[bindHttp] = true
}
}
for i := len(bindHttpList) - 1; i >= 1; i-- {
go MainServeHttp("http", bindHttpList[i], anyHostPorts, "", "")
}
if flags.BindHttps != "" {
bindHttpsList := strings.Split(flags.BindHttps, ",")
// Bind to 0.0.0.0's first for https listening.
for _, bindHttps := range bindHttpsList {
if strings.HasPrefix(bindHttps, "0.0.0.0:") {
go MainServeHttp("https", bindHttps, nil,
flags.TlsCertFile, flags.TlsKeyFile)
anyHostPorts[bindHttps] = true
}
}
for _, bindHttps := range bindHttpsList {
go MainServeHttp("https", bindHttps, anyHostPorts,
flags.TlsCertFile, flags.TlsKeyFile)
}
}
MainServeHttp("http", bindHttpList[0], anyHostPorts, "", "")
<-(make(chan struct{})) // Block forever.
}