mirror of
https://github.com/minio/minio.git
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577d10674d
Add compile time GOROOT path to the list of prefix of file paths to be removed. Add webhandler function names to the slice that stores function names to terminate logging.
346 lines
11 KiB
Go
346 lines
11 KiB
Go
/*
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* Minio Cloud Storage, (C) 2015, 2016, 2017, 2018 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package cmd
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import (
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"context"
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"fmt"
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"net/http"
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"os"
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"os/signal"
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"strings"
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"syscall"
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"github.com/minio/cli"
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"github.com/minio/dsync"
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xhttp "github.com/minio/minio/cmd/http"
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"github.com/minio/minio/cmd/logger"
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"github.com/minio/minio/pkg/certs"
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)
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func init() {
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logger.Init(GOPATH, GOROOT)
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logger.RegisterUIError(fmtError)
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}
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var serverFlags = []cli.Flag{
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cli.StringFlag{
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Name: "address",
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Value: ":" + globalMinioPort,
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Usage: "Bind to a specific ADDRESS:PORT, ADDRESS can be an IP or hostname.",
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},
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}
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var serverCmd = cli.Command{
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Name: "server",
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Usage: "Start object storage server.",
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Flags: append(serverFlags, globalFlags...),
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Action: serverMain,
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CustomHelpTemplate: `NAME:
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{{.HelpName}} - {{.Usage}}
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USAGE:
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{{.HelpName}} {{if .VisibleFlags}}[FLAGS] {{end}}DIR1 [DIR2..]
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{{.HelpName}} {{if .VisibleFlags}}[FLAGS] {{end}}DIR{1...64}
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DIR:
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DIR points to a directory on a filesystem. When you want to combine
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multiple drives into a single large system, pass one directory per
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filesystem separated by space. You may also use a '...' convention
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to abbreviate the directory arguments. Remote directories in a
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distributed setup are encoded as HTTP(s) URIs.
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{{if .VisibleFlags}}
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FLAGS:
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{{range .VisibleFlags}}{{.}}
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{{end}}{{end}}
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ENVIRONMENT VARIABLES:
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ACCESS:
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MINIO_ACCESS_KEY: Custom username or access key of minimum 3 characters in length.
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MINIO_SECRET_KEY: Custom password or secret key of minimum 8 characters in length.
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ENDPOINTS:
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MINIO_ENDPOINTS: List of all endpoints delimited by ' '.
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BROWSER:
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MINIO_BROWSER: To disable web browser access, set this value to "off".
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CACHE:
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MINIO_CACHE_DRIVES: List of mounted drives or directories delimited by ";".
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MINIO_CACHE_EXCLUDE: List of cache exclusion patterns delimited by ";".
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MINIO_CACHE_EXPIRY: Cache expiry duration in days.
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DOMAIN:
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MINIO_DOMAIN: To enable virtual-host-style requests, set this value to Minio host domain name.
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WORM:
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MINIO_WORM: To turn on Write-Once-Read-Many in server, set this value to "on".
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BUCKET-DNS:
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MINIO_DOMAIN: To enable bucket DNS requests, set this value to Minio host domain name.
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MINIO_PUBLIC_IPS: To enable bucket DNS requests, set this value to list of Minio host public IP(s) delimited by ",".
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MINIO_ETCD_ENDPOINTS: To enable bucket DNS requests, set this value to list of etcd endpoints delimited by ",".
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EXAMPLES:
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1. Start minio server on "/home/shared" directory.
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$ {{.HelpName}} /home/shared
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2. Start minio server bound to a specific ADDRESS:PORT.
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$ {{.HelpName}} --address 192.168.1.101:9000 /home/shared
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3. Start minio server and enable virtual-host-style requests.
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$ export MINIO_DOMAIN=mydomain.com
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$ {{.HelpName}} --address mydomain.com:9000 /mnt/export
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4. Start minio server on 64 disks server with endpoints through environment variable.
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$ export MINIO_ENDPOINTS=/mnt/export{1...64}
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$ {{.HelpName}}
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5. Start distributed minio server on an 8 node setup with 8 drives each. Run following command on all the 8 nodes.
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$ export MINIO_ACCESS_KEY=minio
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$ export MINIO_SECRET_KEY=miniostorage
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$ {{.HelpName}} http://node{1...8}.example.com/mnt/export/{1...8}
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6. Start minio server with edge caching enabled.
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$ export MINIO_CACHE_DRIVES="/mnt/drive1;/mnt/drive2;/mnt/drive3;/mnt/drive4"
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$ export MINIO_CACHE_EXCLUDE="bucket1/*;*.png"
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$ export MINIO_CACHE_EXPIRY=40
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$ {{.HelpName}} /home/shared
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`,
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}
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// Checks if endpoints are either available through environment
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// or command line, returns false if both fails.
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func endpointsPresent(ctx *cli.Context) bool {
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_, ok := os.LookupEnv("MINIO_ENDPOINTS")
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if !ok {
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ok = ctx.Args().Present()
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}
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return ok
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}
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func serverHandleCmdArgs(ctx *cli.Context) {
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// Handle common command args.
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handleCommonCmdArgs(ctx)
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// Server address.
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serverAddr := ctx.String("address")
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logger.FatalIf(CheckLocalServerAddr(serverAddr), "Unable to validate passed arguments")
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var setupType SetupType
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var err error
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if len(ctx.Args()) > serverCommandLineArgsMax {
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uErr := uiErrInvalidErasureEndpoints(nil).Msg(fmt.Sprintf("Invalid total number of endpoints (%d) passed, supported upto 32 unique arguments",
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len(ctx.Args())))
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logger.FatalIf(uErr, "Unable to validate passed endpoints")
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}
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endpoints := strings.Fields(os.Getenv("MINIO_ENDPOINTS"))
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if len(endpoints) > 0 {
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globalMinioAddr, globalEndpoints, setupType, globalXLSetCount, globalXLSetDriveCount, err = createServerEndpoints(serverAddr, endpoints...)
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} else {
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globalMinioAddr, globalEndpoints, setupType, globalXLSetCount, globalXLSetDriveCount, err = createServerEndpoints(serverAddr, ctx.Args()...)
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}
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logger.FatalIf(err, "Invalid command line arguments")
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globalMinioHost, globalMinioPort = mustSplitHostPort(globalMinioAddr)
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// On macOS, if a process already listens on LOCALIPADDR:PORT, net.Listen() falls back
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// to IPv6 address ie minio will start listening on IPv6 address whereas another
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// (non-)minio process is listening on IPv4 of given port.
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// To avoid this error sutiation we check for port availability.
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logger.FatalIf(checkPortAvailability(globalMinioPort), "Unable to start the server")
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globalIsXL = (setupType == XLSetupType)
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globalIsDistXL = (setupType == DistXLSetupType)
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if globalIsDistXL {
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globalIsXL = true
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}
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}
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func serverHandleEnvVars() {
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// Handle common environment variables.
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handleCommonEnvVars()
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if serverRegion := os.Getenv("MINIO_REGION"); serverRegion != "" {
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// region Envs are set globally.
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globalIsEnvRegion = true
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globalServerRegion = serverRegion
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}
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}
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// serverMain handler called for 'minio server' command.
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func serverMain(ctx *cli.Context) {
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if ctx.Args().First() == "help" || !endpointsPresent(ctx) {
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cli.ShowCommandHelpAndExit(ctx, "server", 1)
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}
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// Disable logging until server initialization is complete, any
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// error during initialization will be shown as a fatal message
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logger.Disable = true
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// Get "json" flag from command line argument and
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// enable json and quite modes if jason flag is turned on.
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jsonFlag := ctx.IsSet("json") || ctx.GlobalIsSet("json")
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if jsonFlag {
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logger.EnableJSON()
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}
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// Get quiet flag from command line argument.
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quietFlag := ctx.IsSet("quiet") || ctx.GlobalIsSet("quiet")
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if quietFlag {
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logger.EnableQuiet()
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}
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// Handle all server command args.
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serverHandleCmdArgs(ctx)
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// Handle all server environment vars.
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serverHandleEnvVars()
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// Create certs path.
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logger.FatalIf(createConfigDir(), "Unable to initialize configuration files")
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// Initialize server config.
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initConfig()
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// Check and load SSL certificates.
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var err error
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globalPublicCerts, globalRootCAs, globalTLSCerts, globalIsSSL, err = getSSLConfig()
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logger.FatalIf(err, "Unable to load the TLS configuration")
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// Is distributed setup, error out if no certificates are found for HTTPS endpoints.
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if globalIsDistXL {
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if globalEndpoints.IsHTTPS() && !globalIsSSL {
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logger.Fatal(uiErrNoCertsAndHTTPSEndpoints(nil), "Unable to start the server")
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}
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if !globalEndpoints.IsHTTPS() && globalIsSSL {
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logger.Fatal(uiErrCertsAndHTTPEndpoints(nil), "Unable to start the server")
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}
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}
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if !quietFlag {
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// Check for new updates from dl.minio.io.
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mode := globalMinioModeFS
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if globalIsDistXL {
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mode = globalMinioModeDistXL
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} else if globalIsXL {
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mode = globalMinioModeXL
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}
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checkUpdate(mode)
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}
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// Set system resources to maximum.
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logger.LogIf(context.Background(), setMaxResources())
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// Set nodes for dsync for distributed setup.
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if globalIsDistXL {
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globalDsync, err = dsync.New(newDsyncNodes(globalEndpoints))
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if err != nil {
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logger.Fatal(err, "Unable to initialize distributed locking on %s", globalEndpoints)
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}
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}
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// Initialize name space lock.
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initNSLock(globalIsDistXL)
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// Init global heal state
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initAllHealState(globalIsXL)
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// Configure server.
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var handler http.Handler
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handler, err = configureServerHandler(globalEndpoints)
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if err != nil {
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logger.Fatal(uiErrUnexpectedError(err), "Unable to configure one of server's RPC services")
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}
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// Create new notification system.
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globalNotificationSys, err = NewNotificationSys(globalServerConfig, globalEndpoints)
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if err != nil {
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logger.Fatal(err, "Unable to initialize the notification system")
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}
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// Create new policy system.
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globalPolicySys = NewPolicySys()
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// Initialize Admin Peers inter-node communication only in distributed setup.
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initGlobalAdminPeers(globalEndpoints)
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var getCert certs.GetCertificateFunc
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if globalTLSCerts != nil {
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getCert = globalTLSCerts.GetCertificate
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}
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globalHTTPServer = xhttp.NewServer([]string{globalMinioAddr}, handler, getCert)
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globalHTTPServer.UpdateBytesReadFunc = globalConnStats.incInputBytes
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globalHTTPServer.UpdateBytesWrittenFunc = globalConnStats.incOutputBytes
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go func() {
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globalHTTPServerErrorCh <- globalHTTPServer.Start()
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}()
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signal.Notify(globalOSSignalCh, os.Interrupt, syscall.SIGTERM)
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newObject, err := newObjectLayer(globalEndpoints)
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if err != nil {
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// Stop watching for any certificate changes.
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globalTLSCerts.Stop()
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globalHTTPServer.Shutdown()
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logger.FatalIf(err, "Unable to initialize backend")
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}
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globalObjLayerMutex.Lock()
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globalObjectAPI = newObject
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globalObjLayerMutex.Unlock()
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// Populate existing buckets to the etcd backend
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if globalDNSConfig != nil {
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initFederatorBackend(newObject)
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}
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// Prints the formatted startup message once object layer is initialized.
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apiEndpoints := getAPIEndpoints(globalMinioAddr)
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printStartupMessage(apiEndpoints)
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// Set uptime time after object layer has initialized.
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globalBootTime = UTCNow()
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// Re-enable logging
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logger.Disable = false
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handleSignals()
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}
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// Initialize object layer with the supplied disks, objectLayer is nil upon any error.
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func newObjectLayer(endpoints EndpointList) (newObject ObjectLayer, err error) {
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// For FS only, directly use the disk.
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isFS := len(endpoints) == 1
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if isFS {
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// Initialize new FS object layer.
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return NewFSObjectLayer(endpoints[0].Path)
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}
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format, err := waitForFormatXL(context.Background(), endpoints[0].IsLocal, endpoints, globalXLSetCount, globalXLSetDriveCount)
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if err != nil {
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return nil, err
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}
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return newXLSets(endpoints, format, len(format.XL.Sets), len(format.XL.Sets[0]))
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}
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