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globals.go
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globals.go
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// Copyright (c) 2015-2022 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
// Package cmd contains all the global variables and constants. ONLY TO BE ACCESSED VIA GET/SET FUNCTIONS.
package cmd
import (
"context"
"crypto/x509"
"net/url"
"os"
"strconv"
"time"
"github.com/charmbracelet/lipgloss"
"github.com/dustin/go-humanize"
"github.com/minio/cli"
"github.com/minio/madmin-go/v3"
"github.com/minio/pkg/v2/console"
"github.com/muesli/termenv"
)
const (
globalMCConfigVersion = "10"
globalMCConfigFile = "config.json"
globalMCCertsDir = "certs"
globalMCCAsDir = "CAs"
// session config and shared urls related constants
globalSessionDir = "session"
globalSharedURLsDataDir = "share"
globalSessionConfigVersion = "8"
// Profile directory for dumping profiler outputs.
globalProfileDir = "profile"
// Global error exit status.
globalErrorExitStatus = 1
// Global CTRL-C (SIGINT, #2) exit status.
globalCancelExitStatus = 130
// Global SIGKILL (#9) exit status.
globalKillExitStatus = 137
// Global SIGTERM (#15) exit status
globalTerminatExitStatus = 143
)
var (
globalQuiet = false // Quiet flag set via command line
globalJSON = false // Json flag set via command line
globalJSONLine = false // Print json as single line.
globalDebug = false // Debug flag set via command line
globalNoColor = false // No Color flag set via command line
globalInsecure = false // Insecure flag set via command line
globalAirgapped = false // Airgapped flag set via command line
globalSubnetConfig []madmin.SubsysConfig // Subnet config
// GlobalDevMode is set to true if the program is running in development mode
GlobalDevMode = false
// GlobalSubnetProxyURL is the proxy to be used for communication with subnet
GlobalSubnetProxyURL *url.URL
globalConnReadDeadline time.Duration
globalConnWriteDeadline time.Duration
globalLimitUpload uint64
globalLimitDownload uint64
globalContext, globalCancel = context.WithCancel(context.Background())
)
var (
// Terminal height/width, zero if not found
globalTermWidth, globalTermHeight int
globalDisablePagerEnv = "DISABLE_PAGER"
globalDisablePagerFlag = "--disable-pager"
globalDisablePagerFlagShort = "--dp"
globalPagerDisabled = false
globalHelpPager *termPager
// CA root certificates, a nil value means system certs pool will be used
globalRootCAs *x509.CertPool
)
func parsePagerDisableFlag(args []string) {
globalPagerDisabled, _ = strconv.ParseBool(os.Getenv(envPrefix + globalDisablePagerEnv))
for _, arg := range args {
if arg == globalDisablePagerFlag || arg == globalDisablePagerFlagShort {
globalPagerDisabled = true
}
}
}
// Set global states. NOTE: It is deliberately kept monolithic to ensure we dont miss out any flags.
func setGlobalsFromContext(ctx *cli.Context) error {
quiet := ctx.IsSet("quiet") || ctx.GlobalIsSet("quiet")
debug := ctx.IsSet("debug") || ctx.GlobalIsSet("debug")
json := ctx.IsSet("json") || ctx.GlobalIsSet("json")
noColor := ctx.IsSet("no-color") || ctx.GlobalIsSet("no-color")
insecure := ctx.IsSet("insecure") || ctx.GlobalIsSet("insecure")
devMode := ctx.IsSet("dev") || ctx.GlobalIsSet("dev")
airgapped := ctx.IsSet("airgap") || ctx.GlobalIsSet("airgap")
globalQuiet = globalQuiet || quiet
globalDebug = globalDebug || debug
globalJSONLine = !isTerminal() && json
globalJSON = globalJSON || json
globalNoColor = globalNoColor || noColor || globalJSONLine
globalInsecure = globalInsecure || insecure
GlobalDevMode = GlobalDevMode || devMode
globalAirgapped = globalAirgapped || airgapped
// Disable colorified messages if requested.
if globalNoColor || globalQuiet {
console.SetColorOff()
lipgloss.SetColorProfile(termenv.Ascii)
}
globalConnReadDeadline = ctx.Duration("conn-read-deadline")
if globalConnReadDeadline <= 0 {
globalConnReadDeadline = ctx.GlobalDuration("conn-read-deadline")
}
globalConnWriteDeadline = ctx.Duration("conn-write-deadline")
if globalConnWriteDeadline <= 0 {
globalConnWriteDeadline = ctx.GlobalDuration("conn-write-deadline")
}
limitUploadStr := ctx.String("limit-upload")
if limitUploadStr == "" {
limitUploadStr = ctx.GlobalString("limit-upload")
}
if limitUploadStr != "" {
var e error
globalLimitUpload, e = humanize.ParseBytes(limitUploadStr)
if e != nil {
return e
}
}
limitDownloadStr := ctx.String("limit-download")
if limitDownloadStr == "" {
limitDownloadStr = ctx.GlobalString("limit-download")
}
if limitDownloadStr != "" {
var e error
globalLimitDownload, e = humanize.ParseBytes(limitDownloadStr)
if e != nil {
return e
}
}
return nil
}