332 lines
9.9 KiB
Go
332 lines
9.9 KiB
Go
/*
|
||
* Minio Cloud Storage, (C) 2015, 2016, 2017 Minio, Inc.
|
||
*
|
||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||
* you may not use this file except in compliance with the License.
|
||
* You may obtain a copy of the License at
|
||
*
|
||
* http://www.apache.org/licenses/LICENSE-2.0
|
||
*
|
||
* Unless required by applicable law or agreed to in writing, software
|
||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
* See the License for the specific language governing permissions and
|
||
* limitations under the License.
|
||
*/
|
||
|
||
package cmd
|
||
|
||
import (
|
||
"errors"
|
||
"os"
|
||
"path/filepath"
|
||
"runtime"
|
||
"strings"
|
||
"time"
|
||
|
||
"github.com/minio/cli"
|
||
)
|
||
|
||
var serverFlags = []cli.Flag{
|
||
cli.StringFlag{
|
||
Name: "address",
|
||
Value: ":9000",
|
||
Usage: "Bind to a specific ADDRESS:PORT, ADDRESS can be an IP or hostname.",
|
||
},
|
||
}
|
||
|
||
var serverCmd = cli.Command{
|
||
Name: "server",
|
||
Usage: "Start object storage server.",
|
||
Flags: append(serverFlags, globalFlags...),
|
||
Action: serverMain,
|
||
CustomHelpTemplate: `NAME:
|
||
{{.HelpName}} - {{.Usage}}
|
||
|
||
USAGE:
|
||
{{.HelpName}} {{if .VisibleFlags}}[FLAGS] {{end}}PATH [PATH...]
|
||
{{if .VisibleFlags}}
|
||
FLAGS:
|
||
{{range .VisibleFlags}}{{.}}
|
||
{{end}}{{end}}
|
||
ENVIRONMENT VARIABLES:
|
||
ACCESS:
|
||
MINIO_ACCESS_KEY: Custom username or access key of 5 to 20 characters in length.
|
||
MINIO_SECRET_KEY: Custom password or secret key of 8 to 40 characters in length.
|
||
|
||
BROWSER:
|
||
MINIO_BROWSER: To disable web browser access, set this value to "off".
|
||
|
||
EXAMPLES:
|
||
1. Start minio server on "/home/shared" directory.
|
||
$ {{.HelpName}} /home/shared
|
||
|
||
2. Start minio server bound to a specific ADDRESS:PORT.
|
||
$ {{.HelpName}} --address 192.168.1.101:9000 /home/shared
|
||
|
||
3. Start erasure coded minio server on a 12 disks server.
|
||
$ {{.HelpName}} /mnt/export1/ /mnt/export2/ /mnt/export3/ /mnt/export4/ \
|
||
/mnt/export5/ /mnt/export6/ /mnt/export7/ /mnt/export8/ /mnt/export9/ \
|
||
/mnt/export10/ /mnt/export11/ /mnt/export12/
|
||
|
||
4. Start erasure coded distributed minio server on a 4 node setup with 1 drive each. Run following commands on all the 4 nodes.
|
||
$ export MINIO_ACCESS_KEY=minio
|
||
$ export MINIO_SECRET_KEY=miniostorage
|
||
$ {{.HelpName}} http://192.168.1.11/mnt/export/ http://192.168.1.12/mnt/export/ \
|
||
http://192.168.1.13/mnt/export/ http://192.168.1.14/mnt/export/
|
||
`,
|
||
}
|
||
|
||
// Check for updates and print a notification message
|
||
func checkUpdate(mode string) {
|
||
// Its OK to ignore any errors during getUpdateInfo() here.
|
||
if older, downloadURL, err := getUpdateInfo(1*time.Second, mode); err == nil {
|
||
if older > time.Duration(0) {
|
||
log.Println(colorizeUpdateMessage(downloadURL, older))
|
||
}
|
||
}
|
||
}
|
||
|
||
func enableLoggers() {
|
||
fileLogTarget := serverConfig.Logger.GetFile()
|
||
if fileLogTarget.Enable {
|
||
err := InitFileLogger(&fileLogTarget)
|
||
fatalIf(err, "Unable to initialize file logger")
|
||
log.AddTarget(fileLogTarget)
|
||
}
|
||
|
||
consoleLogTarget := serverConfig.Logger.GetConsole()
|
||
if consoleLogTarget.Enable {
|
||
InitConsoleLogger(&consoleLogTarget)
|
||
}
|
||
|
||
log.SetConsoleTarget(consoleLogTarget)
|
||
}
|
||
|
||
func initConfig() {
|
||
// Config file does not exist, we create it fresh and return upon success.
|
||
if isFile(getConfigFile()) {
|
||
fatalIf(migrateConfig(), "Config migration failed.")
|
||
fatalIf(loadConfig(), "Unable to load minio config file")
|
||
} else {
|
||
fatalIf(newConfig(), "Unable to initialize minio config for the first time.")
|
||
log.Println("Created minio configuration file successfully at " + getConfigDir())
|
||
}
|
||
}
|
||
|
||
func serverHandleCmdArgs(ctx *cli.Context) {
|
||
// Set configuration directory.
|
||
{
|
||
// Get configuration directory from command line argument.
|
||
configDir := ctx.String("config-dir")
|
||
if !ctx.IsSet("config-dir") && ctx.GlobalIsSet("config-dir") {
|
||
configDir = ctx.GlobalString("config-dir")
|
||
}
|
||
if configDir == "" {
|
||
fatalIf(errors.New("empty directory"), "Configuration directory cannot be empty.")
|
||
}
|
||
|
||
// Disallow relative paths, figure out absolute paths.
|
||
configDirAbs, err := filepath.Abs(configDir)
|
||
fatalIf(err, "Unable to fetch absolute path for config directory %s", configDir)
|
||
|
||
setConfigDir(configDirAbs)
|
||
}
|
||
|
||
// Server address.
|
||
serverAddr := ctx.String("address")
|
||
fatalIf(CheckLocalServerAddr(serverAddr), "Invalid address ‘%s’ in command line argument.", serverAddr)
|
||
|
||
var setupType SetupType
|
||
var err error
|
||
globalMinioAddr, globalEndpoints, setupType, err = CreateEndpoints(serverAddr, ctx.Args()...)
|
||
fatalIf(err, "Invalid command line arguments server=‘%s’, args=%s", serverAddr, ctx.Args())
|
||
globalMinioHost, globalMinioPort = mustSplitHostPort(globalMinioAddr)
|
||
if runtime.GOOS == "darwin" {
|
||
// On macOS, if a process already listens on LOCALIPADDR:PORT, net.Listen() falls back
|
||
// to IPv6 address ie minio will start listening on IPv6 address whereas another
|
||
// (non-)minio process is listening on IPv4 of given port.
|
||
// To avoid this error sutiation we check for port availability only for macOS.
|
||
fatalIf(checkPortAvailability(globalMinioPort), "Port %d already in use", globalMinioPort)
|
||
}
|
||
|
||
globalIsXL = (setupType == XLSetupType)
|
||
globalIsDistXL = (setupType == DistXLSetupType)
|
||
if globalIsDistXL {
|
||
globalIsXL = true
|
||
}
|
||
}
|
||
|
||
func serverHandleEnvVars() {
|
||
// Start profiler if env is set.
|
||
if profiler := os.Getenv("_MINIO_PROFILER"); profiler != "" {
|
||
globalProfiler = startProfiler(profiler)
|
||
}
|
||
|
||
// Check if object cache is disabled.
|
||
globalXLObjCacheDisabled = strings.EqualFold(os.Getenv("_MINIO_CACHE"), "off")
|
||
|
||
accessKey := os.Getenv("MINIO_ACCESS_KEY")
|
||
secretKey := os.Getenv("MINIO_SECRET_KEY")
|
||
if accessKey != "" && secretKey != "" {
|
||
cred, err := createCredential(accessKey, secretKey)
|
||
fatalIf(err, "Invalid access/secret Key set in environment.")
|
||
|
||
// credential Envs are set globally.
|
||
globalIsEnvCreds = true
|
||
globalActiveCred = cred
|
||
}
|
||
|
||
if browser := os.Getenv("MINIO_BROWSER"); browser != "" {
|
||
browserFlag, err := ParseBrowserFlag(browser)
|
||
if err != nil {
|
||
fatalIf(errors.New("invalid value"), "Unknown value ‘%s’ in MINIO_BROWSER environment variable.", browser)
|
||
}
|
||
|
||
// browser Envs are set globally, this does not represent
|
||
// if browser is turned off or on.
|
||
globalIsEnvBrowser = true
|
||
globalIsBrowserEnabled = bool(browserFlag)
|
||
}
|
||
|
||
if serverRegion := os.Getenv("MINIO_REGION"); serverRegion != "" {
|
||
// region Envs are set globally.
|
||
globalIsEnvRegion = true
|
||
globalServerRegion = serverRegion
|
||
}
|
||
|
||
}
|
||
|
||
// serverMain handler called for 'minio server' command.
|
||
func serverMain(ctx *cli.Context) {
|
||
if !ctx.Args().Present() || ctx.Args().First() == "help" {
|
||
cli.ShowCommandHelpAndExit(ctx, "server", 1)
|
||
}
|
||
|
||
// Get quiet flag from command line argument.
|
||
quietFlag := ctx.Bool("quiet") || ctx.GlobalBool("quiet")
|
||
if quietFlag {
|
||
log.EnableQuiet()
|
||
}
|
||
|
||
serverHandleCmdArgs(ctx)
|
||
serverHandleEnvVars()
|
||
|
||
// Create certs path.
|
||
fatalIf(createConfigDir(), "Unable to create configuration directories.")
|
||
|
||
initConfig()
|
||
|
||
// Enable loggers as per configuration file.
|
||
enableLoggers()
|
||
|
||
// Init the error tracing module.
|
||
initError()
|
||
|
||
// Check and load SSL certificates.
|
||
var err error
|
||
globalPublicCerts, globalRootCAs, globalIsSSL, err = getSSLConfig()
|
||
fatalIf(err, "Invalid SSL key file")
|
||
|
||
if !quietFlag {
|
||
// Check for new updates from dl.minio.io.
|
||
mode := globalMinioModeFS
|
||
if globalIsDistXL {
|
||
mode = globalMinioModeDistXL
|
||
} else if globalIsXL {
|
||
mode = globalMinioModeXL
|
||
}
|
||
checkUpdate(mode)
|
||
}
|
||
|
||
// Set system resources to maximum.
|
||
errorIf(setMaxResources(), "Unable to change resource limit")
|
||
|
||
// Set nodes for dsync for distributed setup.
|
||
if globalIsDistXL {
|
||
fatalIf(initDsyncNodes(), "Unable to initialize distributed locking clients")
|
||
}
|
||
|
||
// Initialize name space lock.
|
||
initNSLock(globalIsDistXL)
|
||
|
||
// Configure server.
|
||
handler, err := configureServerHandler(globalEndpoints)
|
||
fatalIf(err, "Unable to configure one of server's RPC services.")
|
||
|
||
// Initialize a new HTTP server.
|
||
apiServer := NewServerMux(globalMinioAddr, handler)
|
||
|
||
// Initialize S3 Peers inter-node communication only in distributed setup.
|
||
initGlobalS3Peers(globalEndpoints)
|
||
|
||
// Initialize Admin Peers inter-node communication only in distributed setup.
|
||
initGlobalAdminPeers(globalEndpoints)
|
||
|
||
// Start server, automatically configures TLS if certs are available.
|
||
go func() {
|
||
cert, key := "", ""
|
||
if globalIsSSL {
|
||
cert, key = getPublicCertFile(), getPrivateKeyFile()
|
||
}
|
||
fatalIf(apiServer.ListenAndServe(cert, key), "Failed to start minio server.")
|
||
}()
|
||
|
||
newObject, err := newObjectLayer(globalEndpoints)
|
||
fatalIf(err, "Initializing object layer failed")
|
||
|
||
globalObjLayerMutex.Lock()
|
||
globalObjectAPI = newObject
|
||
globalObjLayerMutex.Unlock()
|
||
|
||
// Prints the formatted startup message once object layer is initialized.
|
||
apiEndpoints := getAPIEndpoints(apiServer.Addr)
|
||
printStartupMessage(apiEndpoints)
|
||
|
||
// Set uptime time after object layer has initialized.
|
||
globalBootTime = UTCNow()
|
||
|
||
// Waits on the server.
|
||
<-globalServiceDoneCh
|
||
}
|
||
|
||
// Initialize object layer with the supplied disks, objectLayer is nil upon any error.
|
||
func newObjectLayer(endpoints EndpointList) (newObject ObjectLayer, err error) {
|
||
// For FS only, directly use the disk.
|
||
isFS := len(endpoints) == 1
|
||
if isFS {
|
||
// Initialize new FS object layer.
|
||
return newFSObjectLayer(endpoints[0].Path)
|
||
}
|
||
|
||
// Initialize storage disks.
|
||
storageDisks, err := initStorageDisks(endpoints)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
|
||
// Wait for formatting disks for XL backend.
|
||
var formattedDisks []StorageAPI
|
||
|
||
// First disk argument check if it is local.
|
||
firstDisk := endpoints[0].IsLocal
|
||
formattedDisks, err = waitForFormatXLDisks(firstDisk, endpoints, storageDisks)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
|
||
// Cleanup objects that weren't successfully written into the namespace.
|
||
if err = houseKeeping(storageDisks); err != nil {
|
||
return nil, err
|
||
}
|
||
|
||
// Once XL formatted, initialize object layer.
|
||
newObject, err = newXLObjectLayer(formattedDisks)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
|
||
// XL initialized, return.
|
||
return newObject, nil
|
||
}
|