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161 lines (138 loc) · 5.46 KB
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/*
* Minio Cloud Storage, (C) 2017, 2018 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"
"strings"
"time"
"github.com/minio/cli"
"github.com/minio/minio/pkg/auth"
)
// Check for updates and print a notification message
func checkUpdate(mode string) {
// Its OK to ignore any errors during doUpdate() here.
if updateMsg, _, currentReleaseTime, latestReleaseTime, err := getUpdateInfo(2*time.Second, mode); err == nil {
if globalInplaceUpdateDisabled {
log.Println(updateMsg)
} else {
log.Println(prepareUpdateMessage("Run `minio update`", latestReleaseTime.Sub(currentReleaseTime)))
}
}
}
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 config version: '%s'.", serverConfigVersion)
} else {
fatalIf(newConfig(), "Unable to initialize minio config for the first time.")
log.Println("Created minio configuration file successfully at " + getConfigDir())
}
}
func handleCommonCmdArgs(ctx *cli.Context) {
var configDir string
if ctx.IsSet("config-dir") {
configDir = ctx.String("config-dir")
} else if ctx.GlobalIsSet("config-dir") {
configDir = ctx.GlobalString("config-dir")
// cli package does not expose parent's "config-dir" option. Below code is workaround.
if configDir == "" || configDir == getConfigDir() {
if ctx.Parent().GlobalIsSet("config-dir") {
configDir = ctx.Parent().GlobalString("config-dir")
}
}
} else {
// Neither local nor global config-dir option is provided. In this case, try to use
// default config directory.
configDir = getConfigDir()
if configDir == "" {
fatalIf(errors.New("missing option"), "config-dir option must be provided.")
}
}
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)
}
func handleCommonEnvVars() {
// Start profiler if env is set.
if profiler := os.Getenv("_MINIO_PROFILER"); profiler != "" {
globalProfiler = startProfiler(profiler)
}
accessKey := os.Getenv("MINIO_ACCESS_KEY")
secretKey := os.Getenv("MINIO_SECRET_KEY")
if accessKey != "" && secretKey != "" {
cred, err := auth.CreateCredentials(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)
}
traceFile := os.Getenv("MINIO_HTTP_TRACE")
if traceFile != "" {
var err error
globalHTTPTraceFile, err = os.OpenFile(traceFile, os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0660)
fatalIf(err, "error opening file %s", traceFile)
}
globalDomainName = os.Getenv("MINIO_DOMAIN")
if globalDomainName != "" {
globalIsEnvDomainName = true
}
// In place update is true by default if the MINIO_UPDATE is not set
// or is not set to 'off', if MINIO_UPDATE is set to 'off' then
// in-place update is off.
globalInplaceUpdateDisabled = strings.EqualFold(os.Getenv("MINIO_UPDATE"), "off")
// Validate and store the storage class env variables only for XL/Dist XL setups
if globalIsXL {
var err error
// Check for environment variables and parse into storageClass struct
if ssc := os.Getenv(standardStorageClassEnv); ssc != "" {
globalStandardStorageClass, err = parseStorageClass(ssc)
fatalIf(err, "Invalid value set in environment variable %s.", standardStorageClassEnv)
}
if rrsc := os.Getenv(reducedRedundancyStorageClassEnv); rrsc != "" {
globalRRStorageClass, err = parseStorageClass(rrsc)
fatalIf(err, "Invalid value set in environment variable %s.", reducedRedundancyStorageClassEnv)
}
// Validation is done after parsing both the storage classes. This is needed because we need one
// storage class value to deduce the correct value of the other storage class.
if globalRRStorageClass.Scheme != "" {
err = validateParity(globalStandardStorageClass.Parity, globalRRStorageClass.Parity)
fatalIf(err, "Invalid value set in environment variable %s.", reducedRedundancyStorageClassEnv)
globalIsStorageClass = true
}
if globalStandardStorageClass.Scheme != "" {
err = validateParity(globalStandardStorageClass.Parity, globalRRStorageClass.Parity)
fatalIf(err, "Invalid value set in environment variable %s.", standardStorageClassEnv)
globalIsStorageClass = true
}
}
}