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516 lines
15 KiB
516 lines
15 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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"strings"
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"sync"
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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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"github.com/minio/minio/cmd/config/etcd"
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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/dns"
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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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// Disable merging env values with config for validation.
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env.SetEnvOff()
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// Enable env values to validate KMS.
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defer env.SetEnvOn()
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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 := compress.LookupConfig(s[config.CompressionSubSys][config.Default]); err != nil {
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return err
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}
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{
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etcdCfg, err := etcd.LookupConfig(s[config.EtcdSubSys][config.Default], globalRootCAs)
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if err != nil {
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return err
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}
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if etcdCfg.Enabled {
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etcdClnt, err := etcd.New(etcdCfg)
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if err != nil {
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return err
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}
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etcdClnt.Close()
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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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return err
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}
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if kmsCfg.Vault.Enabled {
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// Set env to enable master key validation.
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// this is needed only for KMS.
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env.SetEnvOn()
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if _, err = crypto.NewKMS(kmsCfg); err != nil {
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return err
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}
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}
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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) (err error) {
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if !globalActiveCred.IsValid() {
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// Env doesn't seem to be set, we fallback to lookup 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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return config.Errorf("Invalid credentials configuration: %s", err)
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}
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}
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etcdCfg, err := etcd.LookupConfig(s[config.EtcdSubSys][config.Default], globalRootCAs)
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if err != nil {
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return config.Errorf("Unable to initialize etcd config: %s", err)
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}
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globalEtcdClient, err = etcd.New(etcdCfg)
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if err != nil {
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return config.Errorf("Unable to initialize etcd config: %s", err)
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}
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if len(globalDomainNames) != 0 && !globalDomainIPs.IsEmpty() && globalEtcdClient != nil {
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globalDNSConfig, err = dns.NewCoreDNS(globalEtcdClient,
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dns.DomainNames(globalDomainNames),
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dns.DomainIPs(globalDomainIPs),
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dns.DomainPort(globalMinioPort),
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dns.CoreDNSPath(etcdCfg.CoreDNSPath),
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)
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if err != nil {
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return config.Errorf("Unable to initialize DNS config for %s: %s", globalDomainNames, err)
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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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return config.Errorf("Invalid region configuration: %s", err)
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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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return config.Errorf("Invalid worm configuration: %s", err)
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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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return config.Errorf("Unable to initialize storage class config: %s", err)
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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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return config.Errorf("Unable to setup cache: %s", err)
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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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return config.Errorf("Unable to setup encryption cache: %s", err)
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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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return config.Errorf("Unable to setup KMS config: %s", err)
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}
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GlobalKMS, err = crypto.NewKMS(kmsCfg)
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if err != nil {
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return config.Errorf("Unable to setup KMS with current KMS config: %s", err)
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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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return config.Errorf("Unable to setup Compression: %s", err)
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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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return config.Errorf("Unable to initialize OpenID: %s", err)
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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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return config.Errorf("Unable to initialize OPA: %s", err)
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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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return config.Errorf("Unable to parse LDAP configuration: %s", err)
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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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return config.Errorf("Unable to initialize logger: %s", err)
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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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return nil
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}
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// Captures help for each sub-system
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var helpSubSys = config.HelpKVS{
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config.HelpKV{
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Key: config.RegionSubSys,
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Description: "Configure to describe the physical location of the server",
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},
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config.HelpKV{
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Key: config.WormSubSys,
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Description: "Configure to enable WORM mode, turns-off any overwrites and deletes of content",
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},
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config.HelpKV{
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Key: config.StorageClassSubSys,
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Description: "Configure to control data and parity per object",
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},
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config.HelpKV{
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Key: config.CacheSubSys,
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Description: "Configure to enable edge caching",
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},
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config.HelpKV{
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Key: config.CompressionSubSys,
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Description: "Configure to enable streaming on disk compression",
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},
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config.HelpKV{
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Key: config.EtcdSubSys,
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Description: "Configure to enable 'etcd' configuration",
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},
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config.HelpKV{
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Key: config.IdentityOpenIDSubSys,
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Description: "Configure to enable OpenID SSO support",
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},
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config.HelpKV{
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Key: config.IdentityLDAPSubSys,
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Description: "Configure to enable LDAP SSO support",
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},
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config.HelpKV{
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Key: config.PolicyOPASubSys,
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Description: "Configure to enable external OPA policy support",
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},
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config.HelpKV{
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Key: config.KmsVaultSubSys,
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Description: "Configure to enable Vault based external KMS",
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},
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config.HelpKV{
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Key: config.LoggerWebhookSubSys,
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Description: "Configure to enable Webhook based logger",
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MultipleTargets: true,
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},
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config.HelpKV{
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Key: config.AuditWebhookSubSys,
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Description: "Configure to enable Webhook based audit logger",
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MultipleTargets: true,
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},
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config.HelpKV{
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Key: config.NotifyWebhookSubSys,
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Description: "Configure to publish events to Webhook target",
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MultipleTargets: true,
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},
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config.HelpKV{
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Key: config.NotifyAMQPSubSys,
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Description: "Configure to publish events to AMQP target",
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MultipleTargets: true,
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},
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config.HelpKV{
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Key: config.NotifyKafkaSubSys,
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Description: "Configure to publish events to Kafka target",
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MultipleTargets: true,
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},
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config.HelpKV{
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Key: config.NotifyMQTTSubSys,
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Description: "Configure to publish events to MQTT target",
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MultipleTargets: true,
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},
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config.HelpKV{
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Key: config.NotifyNATSSubSys,
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Description: "Configure to publish events to NATS target",
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MultipleTargets: true,
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},
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config.HelpKV{
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Key: config.NotifyNSQSubSys,
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Description: "Configure to publish events to NSQ target",
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MultipleTargets: true,
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},
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config.HelpKV{
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Key: config.NotifyMySQLSubSys,
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Description: "Configure to publish events to MySQL target",
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MultipleTargets: true,
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},
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config.HelpKV{
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Key: config.NotifyPostgresSubSys,
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Description: "Configure to publish events to Postgres target",
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MultipleTargets: true,
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},
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config.HelpKV{
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Key: config.NotifyRedisSubSys,
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Description: "Configure to publish events to Redis target",
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MultipleTargets: true,
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},
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config.HelpKV{
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Key: config.NotifyESSubSys,
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Description: "Configure to publish events to Elasticsearch target",
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MultipleTargets: true,
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},
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}
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var helpMap = map[string]config.HelpKVS{
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config.RegionSubSys: config.RegionHelp,
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config.WormSubSys: config.WormHelp,
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config.EtcdSubSys: etcd.Help,
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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.LoggerWebhookSubSys: logger.Help,
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config.AuditWebhookSubSys: 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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// Help - return sub-system level help
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type Help struct {
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SubSys string `json:"subSys"`
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Description string `json:"description"`
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MultipleTargets bool `json:"multipleTargets"`
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KeysHelp config.HelpKVS `json:"keysHelp"`
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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, envOnly bool) (Help, error) {
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if len(subSys) == 0 {
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return Help{KeysHelp: helpSubSys}, nil
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}
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subSystemValue := strings.SplitN(subSys, config.SubSystemSeparator, 2)
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if len(subSystemValue) == 0 {
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return Help{}, config.Errorf("invalid number of arguments %s", subSys)
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}
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if !config.SubSystems.Contains(subSystemValue[0]) {
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return Help{}, config.Errorf("unknown sub-system %s", subSys)
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}
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h := helpMap[subSystemValue[0]]
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if key != "" {
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value, ok := h.Lookup(key)
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if !ok {
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return Help{}, config.Errorf("unknown key %s for sub-system %s", key, subSys)
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}
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h = config.HelpKVS{value}
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}
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subSys = subSystemValue[0]
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envHelp := config.HelpKVS{}
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if envOnly {
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for _, hkv := range h {
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envK := config.EnvPrefix + strings.Join([]string{
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strings.ToTitle(subSys), strings.ToTitle(hkv.Key),
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}, config.EnvWordDelimiter)
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envHelp = append(envHelp, config.HelpKV{
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Key: envK,
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Description: hkv.Description,
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Optional: hkv.Optional,
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Type: hkv.Type,
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})
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}
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h = envHelp
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}
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subSysHelp, ok := helpSubSys.Lookup(subSys)
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if !ok {
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return Help{}, config.Errorf("unknown sub-system %s", subSys)
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}
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return Help{
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SubSys: subSys,
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Description: subSysHelp.Description,
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MultipleTargets: subSysHelp.MultipleTargets,
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KeysHelp: h,
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}, nil
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}
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|
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func newServerConfig() config.Config {
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return config.New()
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}
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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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|
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// Override any values from ENVs.
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if err := lookupConfigs(srvCfg); err != nil {
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return err
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}
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|
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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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|
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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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|
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func getValidConfig(objAPI ObjectLayer) (config.Config, error) {
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return readServerConfig(context.Background(), objAPI)
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}
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|
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// loadConfig - loads a new config from disk, overrides params
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// from env 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 err
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}
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|
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// Override any values from ENVs.
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if err = lookupConfigs(srvCfg); err != nil {
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return err
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}
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|
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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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|
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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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|
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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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|