/*

* Minio Cloud Storage, (C) 2015, 2016 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 (

"crypto/x509"

"os"

"strings"

"time"

humanize "github.com/dustin/go-humanize"

"github.com/fatih/color"

"github.com/minio/cli"

"github.com/minio/mc/pkg/console"

"github.com/minio/minio/pkg/objcache"

)

// Global constants for Minio.

const (

minGoVersion = ">= 1.7" // Minio requires at least Go v1.7

)

// minio configuration related constants.

const (

globalMinioConfigVersion = "11"

globalMinioConfigDir = ".minio"

globalMinioCertsDir = "certs"

globalMinioCertsCADir = "CAs"

globalMinioCertFile = "public.crt"

globalMinioKeyFile = "private.key"

globalMinioConfigFile = "config.json"

globalMinioCertExpireWarnDays = time.Hour * 24 * 30 // 30 days.

// Add new global values here.

)

const (

// Limit fields size (except file) to 1Mib since Policy document

// can reach that size according to https://aws.amazon.com/articles/1434

maxFormFieldSize = int64(1 * humanize.MiByte)

// The maximum allowed difference between the request generation time and the server processing time

globalMaxSkewTime = 15 * time.Minute

)

var (

globalQuiet = false // quiet flag set via command line.

globalConfigDir = mustGetConfigPath() // config-dir flag set via command line

// Add new global flags here.

globalIsDistXL = false // "Is Distributed?" flag.

// This flag is set to 'true' by default, it is set to `false`

// when MINIO_BROWSER env is set to 'off'.

globalIsBrowserEnabled = !strings.EqualFold(os.Getenv("MINIO_BROWSER"), "off")

// Maximum cache size. Defaults to disabled.

// Caching is enabled only for RAM size > 8GiB.

globalMaxCacheSize = uint64(0)

// Cache expiry.

globalCacheExpiry = objcache.DefaultExpiry

// Minio local server address (in `host:port` format)

globalMinioAddr = ""

// Minio default port, can be changed through command line.

globalMinioPort = "9000"

// Holds the host that was passed using --address

globalMinioHost = ""

// Peer communication struct

globalS3Peers = s3Peers{}

// CA root certificates, a nil value means system certs pool will be used

globalRootCAs *x509.CertPool

globalAdminPeers = adminPeers{}

// Add new variable global values here.

)

var (

// Keeps the connection active by waiting for following amount of time.

// Primarily used in ListenBucketNotification.

globalSNSConnAlive = 5 * time.Second

)

// global colors.

var (

colorRed = color.New(color.FgRed).SprintFunc()

colorBold = color.New(color.Bold).SprintFunc()

colorBlue = color.New(color.FgBlue).SprintfFunc()

colorGreen = color.New(color.FgGreen).SprintfFunc()

)

// Parse command arguments and set global variables accordingly

func setGlobalsFromContext(c *cli.Context) {

// Set config dir

switch {

case c.IsSet("config-dir"):

globalConfigDir = c.String("config-dir")

case c.GlobalIsSet("config-dir"):

globalConfigDir = c.GlobalString("config-dir")

}

if globalConfigDir == "" {

console.Fatalf("Unable to get config file. Config directory is empty.")

}

// Set global quiet flag.

globalQuiet = c.Bool("quiet") || c.GlobalBool("quiet")

}