This patch re-writes FS backend to support shared backend sharing locks for safe concurrent access across multiple servers.
137 lines
4 KiB
Go
137 lines
4 KiB
Go
/*
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* Minio Cloud Storage, (C) 2015, 2016 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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"crypto/x509"
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"os"
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"runtime"
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"strings"
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"time"
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humanize "github.com/dustin/go-humanize"
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"github.com/fatih/color"
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"github.com/minio/cli"
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"github.com/minio/mc/pkg/console"
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"github.com/minio/minio/pkg/objcache"
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)
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// Global constants for Minio.
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const (
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minGoVersion = ">= 1.7" // Minio requires at least Go v1.7
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)
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// minio configuration related constants.
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const (
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globalMinioConfigVersion = "13"
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globalMinioConfigDir = ".minio"
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globalMinioCertsDir = "certs"
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globalMinioCertsCADir = "CAs"
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globalMinioCertFile = "public.crt"
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globalMinioKeyFile = "private.key"
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globalMinioConfigFile = "config.json"
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globalMinioCertExpireWarnDays = time.Hour * 24 * 30 // 30 days.
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// Add new global values here.
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)
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const (
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// Limit fields size (except file) to 1Mib since Policy document
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// can reach that size according to https://aws.amazon.com/articles/1434
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maxFormFieldSize = int64(1 * humanize.MiByte)
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// The maximum allowed difference between the request generation time and the server processing time
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globalMaxSkewTime = 15 * time.Minute
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)
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var (
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globalQuiet = false // quiet flag set via command line.
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globalConfigDir = mustGetConfigPath() // config-dir flag set via command line
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// Add new global flags here.
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// Indicates if the running minio server is distributed setup.
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globalIsDistXL = false
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// This flag is set to 'true' by default, it is set to `false`
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// when MINIO_BROWSER env is set to 'off'.
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globalIsBrowserEnabled = !strings.EqualFold(os.Getenv("MINIO_BROWSER"), "off")
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// Maximum cache size. Defaults to disabled.
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// Caching is enabled only for RAM size > 8GiB.
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globalMaxCacheSize = uint64(0)
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// Cache expiry.
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globalCacheExpiry = objcache.DefaultExpiry
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// Minio local server address (in `host:port` format)
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globalMinioAddr = ""
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// Minio default port, can be changed through command line.
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globalMinioPort = "9000"
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// Holds the host that was passed using --address
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globalMinioHost = ""
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// Holds the list of API endpoints for a given server.
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globalAPIEndpoints = []string{}
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// Peer communication struct
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globalS3Peers = s3Peers{}
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// CA root certificates, a nil value means system certs pool will be used
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globalRootCAs *x509.CertPool
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// IsSSL indicates if the server is configured with SSL.
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globalIsSSL bool
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// List of admin peers.
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globalAdminPeers = adminPeers{}
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// Minio server user agent string.
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globalServerUserAgent = "Minio/" + ReleaseTag + " (" + runtime.GOOS + "; " + runtime.GOARCH + ")"
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// Add new variable global values here.
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)
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var (
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// Keeps the connection active by waiting for following amount of time.
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// Primarily used in ListenBucketNotification.
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globalSNSConnAlive = 5 * time.Second
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)
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// global colors.
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var (
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colorRed = color.New(color.FgRed).SprintFunc()
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colorBold = color.New(color.Bold).SprintFunc()
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colorBlue = color.New(color.FgBlue).SprintfFunc()
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colorGreen = color.New(color.FgGreen).SprintfFunc()
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)
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// Parse command arguments and set global variables accordingly
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func setGlobalsFromContext(c *cli.Context) {
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// Set config dir
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switch {
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case c.IsSet("config-dir"):
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globalConfigDir = c.String("config-dir")
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case c.GlobalIsSet("config-dir"):
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globalConfigDir = c.GlobalString("config-dir")
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}
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if globalConfigDir == "" {
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console.Fatalf("Unable to get config file. Config directory is empty.")
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}
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// Set global quiet flag.
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globalQuiet = c.Bool("quiet") || c.GlobalBool("quiet")
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}
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