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356 lines
11 KiB
356 lines
11 KiB
/*
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* MinIO Cloud Storage, (C) 2016-2019 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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"io"
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"strings"
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"sync"
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"text/tabwriter"
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"github.com/minio/minio/cmd/config"
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"github.com/minio/minio/cmd/config/cache"
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"github.com/minio/minio/cmd/config/compress"
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xldap "github.com/minio/minio/cmd/config/identity/ldap"
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"github.com/minio/minio/cmd/config/identity/openid"
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"github.com/minio/minio/cmd/config/notify"
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"github.com/minio/minio/cmd/config/policy/opa"
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"github.com/minio/minio/cmd/config/storageclass"
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"github.com/minio/minio/cmd/crypto"
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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/cmd/logger/target/http"
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"github.com/minio/minio/pkg/env"
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)
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var (
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// globalServerConfig server config.
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globalServerConfig config.Config
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globalServerConfigMu sync.RWMutex
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)
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func validateConfig(s config.Config) error {
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if _, err := config.LookupCreds(s[config.CredentialsSubSys][config.Default]); err != nil {
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return err
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}
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if _, err := config.LookupRegion(s[config.RegionSubSys][config.Default]); err != nil {
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return err
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}
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if _, err := config.LookupWorm(s[config.WormSubSys][config.Default]); err != nil {
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return err
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}
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if globalIsXL {
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if _, err := storageclass.LookupConfig(s[config.StorageClassSubSys][config.Default],
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globalXLSetDriveCount); err != nil {
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return err
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}
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}
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if _, err := cache.LookupConfig(s[config.CacheSubSys][config.Default]); err != nil {
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return err
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}
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if _, err := crypto.LookupConfig(s[config.KmsVaultSubSys][config.Default]); err != nil {
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return err
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}
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if _, err := compress.LookupConfig(s[config.CompressionSubSys][config.Default]); err != nil {
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return err
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}
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if _, err := openid.LookupConfig(s[config.IdentityOpenIDSubSys][config.Default],
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NewCustomHTTPTransport(), xhttp.DrainBody); err != nil {
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return err
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}
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if _, err := xldap.Lookup(s[config.IdentityLDAPSubSys][config.Default],
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globalRootCAs); err != nil {
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return err
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}
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if _, err := opa.LookupConfig(s[config.PolicyOPASubSys][config.Default],
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NewCustomHTTPTransport(), xhttp.DrainBody); err != nil {
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return err
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}
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if _, err := logger.LookupConfig(s); err != nil {
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return err
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}
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return notify.TestNotificationTargets(s, GlobalServiceDoneCh, globalRootCAs)
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}
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func lookupConfigs(s config.Config) {
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var err error
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if !globalActiveCred.IsValid() {
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// Env doesn't seem to be set, we fallback to lookup
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// creds from the config.
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globalActiveCred, err = config.LookupCreds(s[config.CredentialsSubSys][config.Default])
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if err != nil {
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logger.Fatal(err, "Invalid credentials configuration")
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}
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}
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globalServerRegion, err = config.LookupRegion(s[config.RegionSubSys][config.Default])
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if err != nil {
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logger.Fatal(err, "Invalid region configuration")
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}
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globalWORMEnabled, err = config.LookupWorm(s[config.WormSubSys][config.Default])
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if err != nil {
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logger.Fatal(config.ErrInvalidWormValue(err),
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"Invalid worm configuration")
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}
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if globalIsXL {
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globalStorageClass, err = storageclass.LookupConfig(s[config.StorageClassSubSys][config.Default],
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globalXLSetDriveCount)
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if err != nil {
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logger.FatalIf(err, "Unable to initialize storage class config")
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}
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}
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globalCacheConfig, err = cache.LookupConfig(s[config.CacheSubSys][config.Default])
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if err != nil {
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logger.FatalIf(err, "Unable to setup cache")
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}
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if globalCacheConfig.Enabled {
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if cacheEncKey := env.Get(cache.EnvCacheEncryptionMasterKey, ""); cacheEncKey != "" {
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globalCacheKMS, err = crypto.ParseMasterKey(cacheEncKey)
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if err != nil {
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logger.FatalIf(config.ErrInvalidCacheEncryptionKey(err),
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"Unable to setup encryption cache")
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}
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}
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}
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kmsCfg, err := crypto.LookupConfig(s[config.KmsVaultSubSys][config.Default])
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if err != nil {
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logger.FatalIf(err, "Unable to setup KMS config")
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}
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GlobalKMS, err = crypto.NewKMS(kmsCfg)
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if err != nil {
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logger.FatalIf(err, "Unable to setup KMS with current KMS config")
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}
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// Enable auto-encryption if enabled
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globalAutoEncryption = kmsCfg.AutoEncryption
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globalCompressConfig, err = compress.LookupConfig(s[config.CompressionSubSys][config.Default])
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if err != nil {
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logger.FatalIf(err, "Unable to setup Compression")
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}
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globalOpenIDConfig, err = openid.LookupConfig(s[config.IdentityOpenIDSubSys][config.Default],
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NewCustomHTTPTransport(), xhttp.DrainBody)
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if err != nil {
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logger.FatalIf(err, "Unable to initialize OpenID")
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}
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opaCfg, err := opa.LookupConfig(s[config.PolicyOPASubSys][config.Default],
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NewCustomHTTPTransport(), xhttp.DrainBody)
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if err != nil {
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logger.FatalIf(err, "Unable to initialize OPA")
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}
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globalOpenIDValidators = getOpenIDValidators(globalOpenIDConfig)
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globalPolicyOPA = opa.New(opaCfg)
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globalLDAPConfig, err = xldap.Lookup(s[config.IdentityLDAPSubSys][config.Default],
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globalRootCAs)
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if err != nil {
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logger.FatalIf(err, "Unable to parse LDAP configuration")
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}
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// Load logger targets based on user's configuration
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loggerUserAgent := getUserAgent(getMinioMode())
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loggerCfg, err := logger.LookupConfig(s)
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if err != nil {
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logger.FatalIf(err, "Unable to initialize logger")
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}
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for _, l := range loggerCfg.HTTP {
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if l.Enabled {
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// Enable http logging
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logger.AddTarget(http.New(l.Endpoint, loggerUserAgent, string(logger.All), NewCustomHTTPTransport()))
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}
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}
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for _, l := range loggerCfg.Audit {
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if l.Enabled {
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// Enable http audit logging
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logger.AddAuditTarget(http.New(l.Endpoint, loggerUserAgent, string(logger.All), NewCustomHTTPTransport()))
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}
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}
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// Enable console logging
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logger.AddTarget(globalConsoleSys.Console())
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}
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var helpMap = map[string]config.HelpKV{
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config.RegionSubSys: config.RegionHelp,
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config.WormSubSys: config.WormHelp,
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config.CacheSubSys: cache.Help,
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config.CompressionSubSys: compress.Help,
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config.StorageClassSubSys: storageclass.Help,
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config.IdentityOpenIDSubSys: openid.Help,
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config.IdentityLDAPSubSys: xldap.Help,
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config.PolicyOPASubSys: opa.Help,
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config.KmsVaultSubSys: crypto.Help,
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config.LoggerHTTPSubSys: logger.Help,
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config.LoggerHTTPAuditSubSys: logger.HelpAudit,
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config.NotifyAMQPSubSys: notify.HelpAMQP,
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config.NotifyKafkaSubSys: notify.HelpKafka,
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config.NotifyMQTTSubSys: notify.HelpMQTT,
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config.NotifyNATSSubSys: notify.HelpNATS,
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config.NotifyNSQSubSys: notify.HelpNSQ,
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config.NotifyMySQLSubSys: notify.HelpMySQL,
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config.NotifyPostgresSubSys: notify.HelpPostgres,
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config.NotifyRedisSubSys: notify.HelpRedis,
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config.NotifyWebhookSubSys: notify.HelpWebhook,
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config.NotifyESSubSys: notify.HelpES,
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}
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// GetHelp - returns help for sub-sys, a key for a sub-system or all the help.
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func GetHelp(subSys, key string) (io.Reader, error) {
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if len(subSys) == 0 {
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return nil, config.Error("no help available for empty sub-system inputs")
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}
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help, ok := helpMap[subSys]
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if !ok {
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return nil, config.Error(fmt.Sprintf("unknown sub-system %s", subSys))
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}
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if key != "" {
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value, ok := help[key]
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if !ok {
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return nil, config.Error(fmt.Sprintf("unknown key %s for sub-system %s", key, subSys))
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}
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return strings.NewReader(value), nil
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}
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var s strings.Builder
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w := tabwriter.NewWriter(&s, 1, 8, 2, ' ', 0)
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if err := config.HelpTemplate.Execute(w, help); err != nil {
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return nil, config.Error(err.Error())
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}
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w.Flush()
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return strings.NewReader(s.String()), nil
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}
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func configDefaultKVS() map[string]config.KVS {
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m := make(map[string]config.KVS)
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for k, tgt := range newServerConfig() {
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m[k] = tgt[config.Default]
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}
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return m
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}
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func newServerConfig() config.Config {
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srvCfg := config.New()
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for k := range srvCfg {
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// Initialize with default KVS
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switch k {
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case config.CacheSubSys:
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srvCfg[k][config.Default] = cache.DefaultKVS
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case config.CompressionSubSys:
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srvCfg[k][config.Default] = compress.DefaultKVS
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case config.StorageClassSubSys:
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srvCfg[k][config.Default] = storageclass.DefaultKVS
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case config.IdentityLDAPSubSys:
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srvCfg[k][config.Default] = xldap.DefaultKVS
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case config.IdentityOpenIDSubSys:
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srvCfg[k][config.Default] = openid.DefaultKVS
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case config.PolicyOPASubSys:
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srvCfg[k][config.Default] = opa.DefaultKVS
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case config.WormSubSys:
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srvCfg[k][config.Default] = config.DefaultWormKVS
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case config.RegionSubSys:
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srvCfg[k][config.Default] = config.DefaultRegionKVS
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case config.CredentialsSubSys:
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srvCfg[k][config.Default] = config.DefaultCredentialKVS
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case config.KmsVaultSubSys:
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srvCfg[k][config.Default] = crypto.DefaultKVS
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case config.LoggerHTTPSubSys:
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srvCfg[k][config.Default] = logger.DefaultKVS
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case config.LoggerHTTPAuditSubSys:
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srvCfg[k][config.Default] = logger.DefaultAuditKVS
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}
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}
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for k, v := range notify.DefaultNotificationKVS {
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srvCfg[k][config.Default] = v
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}
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return srvCfg
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}
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// newSrvConfig - initialize a new server config, saves env parameters if
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// found, otherwise use default parameters
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func newSrvConfig(objAPI ObjectLayer) error {
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// Initialize server config.
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srvCfg := newServerConfig()
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// Override any values from ENVs.
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lookupConfigs(srvCfg)
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// hold the mutex lock before a new config is assigned.
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globalServerConfigMu.Lock()
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globalServerConfig = srvCfg
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globalServerConfigMu.Unlock()
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// Save config into file.
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return saveServerConfig(context.Background(), objAPI, globalServerConfig, nil)
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}
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// getValidConfig - returns valid server configuration
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func getValidConfig(objAPI ObjectLayer) (config.Config, error) {
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srvCfg, err := readServerConfig(context.Background(), objAPI)
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if err != nil {
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return nil, err
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}
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return srvCfg, nil
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}
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// loadConfig - loads a new config from disk, overrides params from env
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// if found and valid
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func loadConfig(objAPI ObjectLayer) error {
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srvCfg, err := getValidConfig(objAPI)
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if err != nil {
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return config.ErrInvalidConfig(err)
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}
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// Override any values from ENVs.
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lookupConfigs(srvCfg)
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// hold the mutex lock before a new config is assigned.
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globalServerConfigMu.Lock()
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globalServerConfig = srvCfg
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globalServerConfigMu.Unlock()
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return nil
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}
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// getOpenIDValidators - returns ValidatorList which contains
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// enabled providers in server config.
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// A new authentication provider is added like below
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// * Add a new provider in pkg/iam/openid package.
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func getOpenIDValidators(cfg openid.Config) *openid.Validators {
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validators := openid.NewValidators()
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if cfg.JWKS.URL != nil {
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validators.Add(openid.NewJWT(cfg))
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}
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return validators
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}
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