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			909 lines
		
	
	
		
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			909 lines
		
	
	
		
			30 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
// Copyright (c) 2015-2021 MinIO, Inc.
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//
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// This file is part of MinIO Object Storage stack
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program.  If not, see <http://www.gnu.org/licenses/>.
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package cmd
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import (
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	"bytes"
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	"context"
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	"errors"
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	"fmt"
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	"strings"
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	"sync"
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	"github.com/minio/kms-go/kes"
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	"github.com/minio/minio/internal/auth"
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	"github.com/minio/minio/internal/config/browser"
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	"github.com/minio/minio/internal/kms"
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	"github.com/minio/madmin-go/v3"
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	"github.com/minio/minio/internal/config"
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	"github.com/minio/minio/internal/config/api"
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	"github.com/minio/minio/internal/config/batch"
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	"github.com/minio/minio/internal/config/callhome"
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	"github.com/minio/minio/internal/config/compress"
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	"github.com/minio/minio/internal/config/dns"
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	"github.com/minio/minio/internal/config/drive"
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	"github.com/minio/minio/internal/config/etcd"
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	"github.com/minio/minio/internal/config/heal"
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	xldap "github.com/minio/minio/internal/config/identity/ldap"
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	"github.com/minio/minio/internal/config/identity/openid"
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	idplugin "github.com/minio/minio/internal/config/identity/plugin"
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	xtls "github.com/minio/minio/internal/config/identity/tls"
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	"github.com/minio/minio/internal/config/ilm"
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	"github.com/minio/minio/internal/config/lambda"
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	"github.com/minio/minio/internal/config/notify"
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	"github.com/minio/minio/internal/config/policy/opa"
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	polplugin "github.com/minio/minio/internal/config/policy/plugin"
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	"github.com/minio/minio/internal/config/scanner"
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	"github.com/minio/minio/internal/config/storageclass"
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	"github.com/minio/minio/internal/config/subnet"
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	"github.com/minio/minio/internal/crypto"
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	xhttp "github.com/minio/minio/internal/http"
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	"github.com/minio/minio/internal/logger"
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	"github.com/minio/pkg/v3/env"
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)
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func initHelp() {
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	kvs := map[string]config.KVS{
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		config.EtcdSubSys:           etcd.DefaultKVS,
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		config.CompressionSubSys:    compress.DefaultKVS,
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		config.IdentityLDAPSubSys:   xldap.DefaultKVS,
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		config.IdentityOpenIDSubSys: openid.DefaultKVS,
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		config.IdentityTLSSubSys:    xtls.DefaultKVS,
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		config.IdentityPluginSubSys: idplugin.DefaultKVS,
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		config.PolicyOPASubSys:      opa.DefaultKVS,
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		config.PolicyPluginSubSys:   polplugin.DefaultKVS,
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		config.SiteSubSys:           config.DefaultSiteKVS,
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		config.RegionSubSys:         config.DefaultRegionKVS,
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		config.APISubSys:            api.DefaultKVS,
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		config.LoggerWebhookSubSys:  logger.DefaultLoggerWebhookKVS,
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		config.AuditWebhookSubSys:   logger.DefaultAuditWebhookKVS,
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		config.AuditKafkaSubSys:     logger.DefaultAuditKafkaKVS,
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		config.ScannerSubSys:        scanner.DefaultKVS,
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		config.SubnetSubSys:         subnet.DefaultKVS,
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		config.CallhomeSubSys:       callhome.DefaultKVS,
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		config.DriveSubSys:          drive.DefaultKVS,
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		config.ILMSubSys:            ilm.DefaultKVS,
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		config.BatchSubSys:          batch.DefaultKVS,
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		config.BrowserSubSys:        browser.DefaultKVS,
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	}
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	for k, v := range notify.DefaultNotificationKVS {
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		kvs[k] = v
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	}
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	for k, v := range lambda.DefaultLambdaKVS {
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		kvs[k] = v
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	}
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	if globalIsErasure {
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		kvs[config.StorageClassSubSys] = storageclass.DefaultKVS
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		kvs[config.HealSubSys] = heal.DefaultKVS
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	}
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	config.RegisterDefaultKVS(kvs)
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	// Captures help for each sub-system
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	helpSubSys := config.HelpKVS{
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		config.HelpKV{
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			Key:         config.SubnetSubSys,
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			Type:        "string",
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			Description: "register Enterprise license for the cluster",
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			Optional:    true,
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		},
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		config.HelpKV{
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			Key:         config.CallhomeSubSys,
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			Type:        "string",
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			Description: "enable callhome to MinIO SUBNET",
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			Optional:    true,
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		},
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		config.HelpKV{
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			Key:         config.DriveSubSys,
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			Description: "enable drive specific settings",
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		},
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		config.HelpKV{
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			Key:         config.SiteSubSys,
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			Description: "label the server and its location",
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		},
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		config.HelpKV{
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			Key:         config.APISubSys,
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			Description: "manage global HTTP API call specific features, such as throttling, authentication types, etc.",
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		},
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		config.HelpKV{
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			Key:         config.ScannerSubSys,
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			Description: "manage namespace scanning for usage calculation, lifecycle, healing and more",
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		},
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		config.HelpKV{
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			Key:         config.BatchSubSys,
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			Description: "manage batch job workers and wait times",
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		},
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		config.HelpKV{
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			Key:         config.CompressionSubSys,
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			Description: "enable server side compression of objects",
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		},
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		config.HelpKV{
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			Key:             config.IdentityOpenIDSubSys,
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			Description:     "enable OpenID SSO support",
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			MultipleTargets: true,
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		},
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		config.HelpKV{
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			Key:         config.IdentityLDAPSubSys,
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			Description: "enable LDAP SSO support",
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		},
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		config.HelpKV{
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			Key:         config.IdentityTLSSubSys,
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			Description: "enable X.509 TLS certificate SSO support",
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		},
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		config.HelpKV{
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			Key:         config.IdentityPluginSubSys,
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			Description: "enable Identity Plugin via external hook",
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		},
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		config.HelpKV{
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			Key:         config.PolicyPluginSubSys,
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			Description: "enable Access Management Plugin for policy enforcement",
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		},
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		config.HelpKV{
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			Key:             config.LoggerWebhookSubSys,
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			Description:     "send server logs to webhook endpoints",
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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:     "send audit logs to webhook endpoints",
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			MultipleTargets: true,
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		},
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		config.HelpKV{
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			Key:             config.AuditKafkaSubSys,
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			Description:     "send audit logs to kafka endpoints",
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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:     "publish bucket notifications to webhook endpoints",
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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:     "publish bucket notifications to AMQP endpoints",
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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:     "publish bucket notifications to Kafka endpoints",
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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:     "publish bucket notifications to MQTT endpoints",
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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:     "publish bucket notifications to NATS endpoints",
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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:     "publish bucket notifications to NSQ endpoints",
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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:     "publish bucket notifications to MySQL databases",
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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:     "publish bucket notifications to Postgres databases",
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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:     "publish bucket notifications to Elasticsearch endpoints",
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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:     "publish bucket notifications to Redis datastores",
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			MultipleTargets: true,
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		},
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		config.HelpKV{
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			Key:             config.LambdaWebhookSubSys,
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			Description:     "manage remote lambda functions",
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			MultipleTargets: true,
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		},
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		config.HelpKV{
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			Key:         config.EtcdSubSys,
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			Description: "persist IAM assets externally to etcd",
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		},
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		config.HelpKV{
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			Key:         config.BrowserSubSys,
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			Description: "manage Browser HTTP specific features, such as Security headers, etc.",
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			Optional:    true,
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		},
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		config.HelpKV{
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			Key:         config.ILMSubSys,
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			Description: "manage ILM settings for expiration and transition workers",
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			Optional:    true,
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		},
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	}
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	if globalIsErasure {
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		helpSubSys = append(helpSubSys, config.HelpKV{
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			Key:         config.StorageClassSubSys,
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			Description: "define object level redundancy",
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		}, config.HelpKV{
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			Key:         config.HealSubSys,
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			Description: "manage object healing frequency and bitrot verification checks",
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		})
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	}
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	helpMap := map[string]config.HelpKVS{
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		"":                          helpSubSys, // Help for all sub-systems.
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		config.SiteSubSys:           config.SiteHelp,
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		config.RegionSubSys:         config.RegionHelp,
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		config.APISubSys:            api.Help,
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		config.StorageClassSubSys:   storageclass.Help,
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		config.EtcdSubSys:           etcd.Help,
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		config.CompressionSubSys:    compress.Help,
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		config.HealSubSys:           heal.Help,
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		config.BatchSubSys:          batch.Help,
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		config.ScannerSubSys:        scanner.Help,
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		config.IdentityOpenIDSubSys: openid.Help,
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		config.IdentityLDAPSubSys:   xldap.Help,
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		config.IdentityTLSSubSys:    xtls.Help,
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		config.IdentityPluginSubSys: idplugin.Help,
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		config.PolicyOPASubSys:      opa.Help,
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		config.PolicyPluginSubSys:   polplugin.Help,
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		config.LoggerWebhookSubSys:  logger.Help,
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		config.AuditWebhookSubSys:   logger.HelpWebhook,
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		config.AuditKafkaSubSys:     logger.HelpKafka,
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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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		config.LambdaWebhookSubSys:  lambda.HelpWebhook,
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		config.SubnetSubSys:         subnet.HelpSubnet,
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		config.CallhomeSubSys:       callhome.HelpCallhome,
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		config.DriveSubSys:          drive.HelpDrive,
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		config.BrowserSubSys:        browser.Help,
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		config.ILMSubSys:            ilm.Help,
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	}
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	config.RegisterHelpSubSys(helpMap)
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	// save top-level help for deprecated sub-systems in a separate map.
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	deprecatedHelpKVMap := map[string]config.HelpKV{
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		config.RegionSubSys: {
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			Key:         config.RegionSubSys,
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			Description: "[DEPRECATED - use `site` instead] label the location of the server",
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		},
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		config.PolicyOPASubSys: {
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			Key:         config.PolicyOPASubSys,
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			Description: "[DEPRECATED - use `policy_plugin` instead] enable external OPA for policy enforcement",
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		},
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	}
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	config.RegisterHelpDeprecatedSubSys(deprecatedHelpKVMap)
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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 validateSubSysConfig(ctx context.Context, s config.Config, subSys string, objAPI ObjectLayer) error {
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	switch subSys {
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	case config.SiteSubSys:
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		if _, err := config.LookupSite(s[config.SiteSubSys][config.Default], s[config.RegionSubSys][config.Default]); err != nil {
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			return err
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		}
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	case config.APISubSys:
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		if _, err := api.LookupConfig(s[config.APISubSys][config.Default]); err != nil {
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			return err
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		}
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	case config.BatchSubSys:
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		if _, err := batch.LookupConfig(s[config.BatchSubSys][config.Default]); err != nil {
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			return err
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		}
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	case config.StorageClassSubSys:
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		if objAPI == nil {
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			return errServerNotInitialized
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						|
		}
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		for _, setDriveCount := range objAPI.SetDriveCounts() {
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			if _, err := storageclass.LookupConfig(s[config.StorageClassSubSys][config.Default], setDriveCount); err != nil {
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						|
				return err
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						|
			}
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		}
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	case config.CompressionSubSys:
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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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	case config.HealSubSys:
 | 
						|
		if _, err := heal.LookupConfig(s[config.HealSubSys][config.Default]); err != nil {
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						|
			return err
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						|
		}
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						|
	case config.ScannerSubSys:
 | 
						|
		if _, err := scanner.LookupConfig(s[config.ScannerSubSys][config.Default]); err != nil {
 | 
						|
			return err
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						|
		}
 | 
						|
	case config.EtcdSubSys:
 | 
						|
		etcdCfg, err := etcd.LookupConfig(s[config.EtcdSubSys][config.Default], globalRootCAs)
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						|
		if err != nil {
 | 
						|
			return err
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						|
		}
 | 
						|
		if etcdCfg.Enabled {
 | 
						|
			etcdClnt, err := etcd.New(etcdCfg)
 | 
						|
			if err != nil {
 | 
						|
				return err
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						|
			}
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						|
			etcdClnt.Close()
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						|
		}
 | 
						|
	case config.IdentityOpenIDSubSys:
 | 
						|
		if _, err := openid.LookupConfig(s,
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						|
			NewHTTPTransport(), xhttp.DrainBody, globalSite.Region()); err != nil {
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						|
			return err
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						|
		}
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						|
	case config.IdentityLDAPSubSys:
 | 
						|
		cfg, err := xldap.Lookup(s, globalRootCAs)
 | 
						|
		if err != nil {
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						|
			return err
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						|
		}
 | 
						|
		if cfg.Enabled() {
 | 
						|
			conn, cerr := cfg.LDAP.Connect()
 | 
						|
			if cerr != nil {
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						|
				return cerr
 | 
						|
			}
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						|
			conn.Close()
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						|
		}
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						|
	case config.IdentityTLSSubSys:
 | 
						|
		if _, err := xtls.Lookup(s[config.IdentityTLSSubSys][config.Default]); err != nil {
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						|
			return err
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						|
		}
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						|
	case config.IdentityPluginSubSys:
 | 
						|
		if _, err := idplugin.LookupConfig(s[config.IdentityPluginSubSys][config.Default],
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						|
			NewHTTPTransport(), xhttp.DrainBody, globalSite.Region()); err != nil {
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						|
			return err
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						|
		}
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						|
	case config.SubnetSubSys:
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						|
		if _, err := subnet.LookupConfig(s[config.SubnetSubSys][config.Default], nil); err != nil {
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						|
			return err
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						|
		}
 | 
						|
	case config.CallhomeSubSys:
 | 
						|
		cfg, err := callhome.LookupConfig(s[config.CallhomeSubSys][config.Default])
 | 
						|
		if err != nil {
 | 
						|
			return err
 | 
						|
		}
 | 
						|
		// callhome cannot be enabled if license is not registered yet, throw an error.
 | 
						|
		if cfg.Enabled() && !globalSubnetConfig.Registered() {
 | 
						|
			return errors.New("Deployment is not registered with SUBNET. Please register the deployment via 'mc license register ALIAS'")
 | 
						|
		}
 | 
						|
	case config.DriveSubSys:
 | 
						|
		if _, err := drive.LookupConfig(s[config.DriveSubSys][config.Default]); err != nil {
 | 
						|
			return err
 | 
						|
		}
 | 
						|
	case config.PolicyOPASubSys:
 | 
						|
		// In case legacy OPA config is being set, we treat it as if the
 | 
						|
		// AuthZPlugin is being set.
 | 
						|
		subSys = config.PolicyPluginSubSys
 | 
						|
		fallthrough
 | 
						|
	case config.PolicyPluginSubSys:
 | 
						|
		if ppargs, err := polplugin.LookupConfig(s, GetDefaultConnSettings(), xhttp.DrainBody); err != nil {
 | 
						|
			return err
 | 
						|
		} else if ppargs.URL == nil {
 | 
						|
			// Check if legacy opa is configured.
 | 
						|
			if _, err := opa.LookupConfig(s[config.PolicyOPASubSys][config.Default],
 | 
						|
				NewHTTPTransport(), xhttp.DrainBody); err != nil {
 | 
						|
				return err
 | 
						|
			}
 | 
						|
		}
 | 
						|
	case config.BrowserSubSys:
 | 
						|
		if _, err := browser.LookupConfig(s[config.BrowserSubSys][config.Default]); err != nil {
 | 
						|
			return err
 | 
						|
		}
 | 
						|
	default:
 | 
						|
		if config.LoggerSubSystems.Contains(subSys) {
 | 
						|
			if err := logger.ValidateSubSysConfig(ctx, s, subSys); err != nil {
 | 
						|
				return err
 | 
						|
			}
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	if config.NotifySubSystems.Contains(subSys) {
 | 
						|
		if err := notify.TestSubSysNotificationTargets(ctx, s, subSys, NewHTTPTransport()); err != nil {
 | 
						|
			return err
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	if config.LambdaSubSystems.Contains(subSys) {
 | 
						|
		if err := lambda.TestSubSysLambdaTargets(GlobalContext, s, subSys, NewHTTPTransport()); err != nil {
 | 
						|
			return err
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	return nil
 | 
						|
}
 | 
						|
 | 
						|
func validateConfig(ctx context.Context, s config.Config, subSys string) error {
 | 
						|
	objAPI := newObjectLayerFn()
 | 
						|
 | 
						|
	// We must have a global lock for this so nobody else modifies env while we do.
 | 
						|
	defer env.LockSetEnv()()
 | 
						|
 | 
						|
	// Disable merging env values with config for validation.
 | 
						|
	env.SetEnvOff()
 | 
						|
 | 
						|
	// Enable env values to validate KMS.
 | 
						|
	defer env.SetEnvOn()
 | 
						|
	if subSys != "" {
 | 
						|
		return validateSubSysConfig(ctx, s, subSys, objAPI)
 | 
						|
	}
 | 
						|
 | 
						|
	// No sub-system passed. Validate all of them.
 | 
						|
	for _, ss := range config.SubSystems.ToSlice() {
 | 
						|
		if err := validateSubSysConfig(ctx, s, ss, objAPI); err != nil {
 | 
						|
			return err
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	return nil
 | 
						|
}
 | 
						|
 | 
						|
func lookupConfigs(s config.Config, objAPI ObjectLayer) {
 | 
						|
	ctx := GlobalContext
 | 
						|
 | 
						|
	dnsURL, dnsUser, dnsPass, err := env.LookupEnv(config.EnvDNSWebhook)
 | 
						|
	if err != nil {
 | 
						|
		configLogIf(ctx, fmt.Errorf("Unable to initialize remote webhook DNS config %w", err))
 | 
						|
	}
 | 
						|
	if err == nil && dnsURL != "" {
 | 
						|
		bootstrapTraceMsg("initialize remote bucket DNS store")
 | 
						|
		globalDNSConfig, err = dns.NewOperatorDNS(dnsURL,
 | 
						|
			dns.Authentication(dnsUser, dnsPass),
 | 
						|
			dns.RootCAs(globalRootCAs))
 | 
						|
		if err != nil {
 | 
						|
			configLogIf(ctx, fmt.Errorf("Unable to initialize remote webhook DNS config %w", err))
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	etcdCfg, err := etcd.LookupConfig(s[config.EtcdSubSys][config.Default], globalRootCAs)
 | 
						|
	if err != nil {
 | 
						|
		configLogIf(ctx, fmt.Errorf("Unable to initialize etcd config: %w", err))
 | 
						|
	}
 | 
						|
 | 
						|
	if etcdCfg.Enabled {
 | 
						|
		bootstrapTraceMsg("initialize etcd store")
 | 
						|
		globalEtcdClient, err = etcd.New(etcdCfg)
 | 
						|
		if err != nil {
 | 
						|
			configLogIf(ctx, fmt.Errorf("Unable to initialize etcd config: %w", err))
 | 
						|
		}
 | 
						|
 | 
						|
		if len(globalDomainNames) != 0 && !globalDomainIPs.IsEmpty() && globalEtcdClient != nil {
 | 
						|
			if globalDNSConfig != nil {
 | 
						|
				// if global DNS is already configured, indicate with a warning, in case
 | 
						|
				// users are confused.
 | 
						|
				configLogIf(ctx, fmt.Errorf("DNS store is already configured with %s, etcd is not used for DNS store", globalDNSConfig))
 | 
						|
			} else {
 | 
						|
				globalDNSConfig, err = dns.NewCoreDNS(etcdCfg.Config,
 | 
						|
					dns.DomainNames(globalDomainNames),
 | 
						|
					dns.DomainIPs(globalDomainIPs),
 | 
						|
					dns.DomainPort(globalMinioPort),
 | 
						|
					dns.CoreDNSPath(etcdCfg.CoreDNSPath),
 | 
						|
				)
 | 
						|
				if err != nil {
 | 
						|
					configLogIf(ctx, fmt.Errorf("Unable to initialize DNS config for %s: %w",
 | 
						|
						globalDomainNames, err))
 | 
						|
				}
 | 
						|
			}
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	// Bucket federation is 'true' only when IAM assets are not namespaced
 | 
						|
	// per tenant and all tenants interested in globally available users
 | 
						|
	// if namespace was requested such as specifying etcdPathPrefix then
 | 
						|
	// we assume that users are interested in global bucket support
 | 
						|
	// but not federation.
 | 
						|
	globalBucketFederation = etcdCfg.PathPrefix == "" && etcdCfg.Enabled
 | 
						|
 | 
						|
	siteCfg, err := config.LookupSite(s[config.SiteSubSys][config.Default], s[config.RegionSubSys][config.Default])
 | 
						|
	if err != nil {
 | 
						|
		configLogIf(ctx, fmt.Errorf("Invalid site configuration: %w", err))
 | 
						|
	}
 | 
						|
	globalSite.Update(siteCfg)
 | 
						|
 | 
						|
	globalAutoEncryption = crypto.LookupAutoEncryption() // Enable auto-encryption if enabled
 | 
						|
	if globalAutoEncryption && GlobalKMS == nil {
 | 
						|
		logger.Fatal(errors.New("no KMS configured"), "MINIO_KMS_AUTO_ENCRYPTION requires a valid KMS configuration")
 | 
						|
	}
 | 
						|
 | 
						|
	transport := NewHTTPTransport()
 | 
						|
 | 
						|
	bootstrapTraceMsg("initialize the event notification targets")
 | 
						|
	globalNotifyTargetList, err = notify.FetchEnabledTargets(GlobalContext, s, transport)
 | 
						|
	if err != nil {
 | 
						|
		configLogIf(ctx, fmt.Errorf("Unable to initialize notification target(s): %w", err))
 | 
						|
	}
 | 
						|
 | 
						|
	bootstrapTraceMsg("initialize the lambda targets")
 | 
						|
	globalLambdaTargetList, err = lambda.FetchEnabledTargets(GlobalContext, s, transport)
 | 
						|
	if err != nil {
 | 
						|
		configLogIf(ctx, fmt.Errorf("Unable to initialize lambda target(s): %w", err))
 | 
						|
	}
 | 
						|
 | 
						|
	bootstrapTraceMsg("applying the dynamic configuration")
 | 
						|
	// Apply dynamic config values
 | 
						|
	if err := applyDynamicConfig(ctx, objAPI, s); err != nil {
 | 
						|
		configLogIf(ctx, err)
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
func applyDynamicConfigForSubSys(ctx context.Context, objAPI ObjectLayer, s config.Config, subSys string) error {
 | 
						|
	if objAPI == nil {
 | 
						|
		return errServerNotInitialized
 | 
						|
	}
 | 
						|
 | 
						|
	var errs []error
 | 
						|
	setDriveCounts := objAPI.SetDriveCounts()
 | 
						|
	switch subSys {
 | 
						|
	case config.APISubSys:
 | 
						|
		apiConfig, err := api.LookupConfig(s[config.APISubSys][config.Default])
 | 
						|
		if err != nil {
 | 
						|
			configLogIf(ctx, fmt.Errorf("Invalid api configuration: %w", err))
 | 
						|
		}
 | 
						|
 | 
						|
		globalAPIConfig.init(apiConfig, setDriveCounts, objAPI.Legacy())
 | 
						|
		autoGenerateRootCredentials() // Generate the KMS root credentials here since we don't know whether API root access is disabled until now.
 | 
						|
		setRemoteInstanceTransport(NewHTTPTransportWithTimeout(apiConfig.RemoteTransportDeadline))
 | 
						|
	case config.CompressionSubSys:
 | 
						|
		cmpCfg, err := compress.LookupConfig(s[config.CompressionSubSys][config.Default])
 | 
						|
		if err != nil {
 | 
						|
			return fmt.Errorf("Unable to setup Compression: %w", err)
 | 
						|
		}
 | 
						|
		globalCompressConfigMu.Lock()
 | 
						|
		globalCompressConfig = cmpCfg
 | 
						|
		globalCompressConfigMu.Unlock()
 | 
						|
	case config.HealSubSys:
 | 
						|
		healCfg, err := heal.LookupConfig(s[config.HealSubSys][config.Default])
 | 
						|
		if err != nil {
 | 
						|
			errs = append(errs, fmt.Errorf("Unable to apply heal config: %w", err))
 | 
						|
		} else {
 | 
						|
			globalHealConfig.Update(healCfg)
 | 
						|
		}
 | 
						|
	case config.BatchSubSys:
 | 
						|
		batchCfg, err := batch.LookupConfig(s[config.BatchSubSys][config.Default])
 | 
						|
		if err != nil {
 | 
						|
			errs = append(errs, fmt.Errorf("Unable to apply batch config: %w", err))
 | 
						|
		} else {
 | 
						|
			globalBatchConfig.Update(batchCfg)
 | 
						|
		}
 | 
						|
	case config.ScannerSubSys:
 | 
						|
		scannerCfg, err := scanner.LookupConfig(s[config.ScannerSubSys][config.Default])
 | 
						|
		if err != nil {
 | 
						|
			errs = append(errs, fmt.Errorf("Unable to apply scanner config: %w", err))
 | 
						|
		} else {
 | 
						|
			// update dynamic scanner values.
 | 
						|
			scannerIdleMode.Store(scannerCfg.IdleMode)
 | 
						|
			scannerCycle.Store(scannerCfg.Cycle)
 | 
						|
			scannerExcessObjectVersions.Store(scannerCfg.ExcessVersions)
 | 
						|
			scannerExcessFolders.Store(scannerCfg.ExcessFolders)
 | 
						|
			configLogIf(ctx, scannerSleeper.Update(scannerCfg.Delay, scannerCfg.MaxWait))
 | 
						|
		}
 | 
						|
	case config.LoggerWebhookSubSys:
 | 
						|
		loggerCfg, err := logger.LookupConfigForSubSys(ctx, s, config.LoggerWebhookSubSys)
 | 
						|
		if err != nil {
 | 
						|
			configLogIf(ctx, fmt.Errorf("Unable to load logger webhook config: %w", err))
 | 
						|
		}
 | 
						|
		userAgent := getUserAgent(getMinioMode())
 | 
						|
		for n, l := range loggerCfg.HTTP {
 | 
						|
			if l.Enabled {
 | 
						|
				l.LogOnceIf = configLogOnceConsoleIf
 | 
						|
				l.UserAgent = userAgent
 | 
						|
				l.Transport = NewHTTPTransportWithClientCerts(l.ClientCert, l.ClientKey)
 | 
						|
			}
 | 
						|
			loggerCfg.HTTP[n] = l
 | 
						|
		}
 | 
						|
		if errs := logger.UpdateHTTPWebhooks(ctx, loggerCfg.HTTP); len(errs) > 0 {
 | 
						|
			configLogIf(ctx, fmt.Errorf("Unable to update logger webhook config: %v", errs))
 | 
						|
		}
 | 
						|
	case config.AuditWebhookSubSys:
 | 
						|
		loggerCfg, err := logger.LookupConfigForSubSys(ctx, s, config.AuditWebhookSubSys)
 | 
						|
		if err != nil {
 | 
						|
			configLogIf(ctx, fmt.Errorf("Unable to load audit webhook config: %w", err))
 | 
						|
		}
 | 
						|
		userAgent := getUserAgent(getMinioMode())
 | 
						|
		for n, l := range loggerCfg.AuditWebhook {
 | 
						|
			if l.Enabled {
 | 
						|
				l.LogOnceIf = configLogOnceConsoleIf
 | 
						|
				l.UserAgent = userAgent
 | 
						|
				l.Transport = NewHTTPTransportWithClientCerts(l.ClientCert, l.ClientKey)
 | 
						|
			}
 | 
						|
			loggerCfg.AuditWebhook[n] = l
 | 
						|
		}
 | 
						|
 | 
						|
		if errs := logger.UpdateAuditWebhooks(ctx, loggerCfg.AuditWebhook); len(errs) > 0 {
 | 
						|
			configLogIf(ctx, fmt.Errorf("Unable to update audit webhook targets: %v", errs))
 | 
						|
		}
 | 
						|
	case config.AuditKafkaSubSys:
 | 
						|
		loggerCfg, err := logger.LookupConfigForSubSys(ctx, s, config.AuditKafkaSubSys)
 | 
						|
		if err != nil {
 | 
						|
			configLogIf(ctx, fmt.Errorf("Unable to load audit kafka config: %w", err))
 | 
						|
		}
 | 
						|
		for n, l := range loggerCfg.AuditKafka {
 | 
						|
			if l.Enabled {
 | 
						|
				if l.TLS.Enable {
 | 
						|
					l.TLS.RootCAs = globalRootCAs
 | 
						|
				}
 | 
						|
				l.LogOnce = configLogOnceIf
 | 
						|
				loggerCfg.AuditKafka[n] = l
 | 
						|
			}
 | 
						|
		}
 | 
						|
		if errs := logger.UpdateAuditKafkaTargets(ctx, loggerCfg); len(errs) > 0 {
 | 
						|
			configLogIf(ctx, fmt.Errorf("Unable to update audit kafka targets: %v", errs))
 | 
						|
		}
 | 
						|
	case config.StorageClassSubSys:
 | 
						|
		for i, setDriveCount := range setDriveCounts {
 | 
						|
			sc, err := storageclass.LookupConfig(s[config.StorageClassSubSys][config.Default], setDriveCount)
 | 
						|
			if err != nil {
 | 
						|
				configLogIf(ctx, fmt.Errorf("Unable to initialize storage class config: %w", err))
 | 
						|
				break
 | 
						|
			}
 | 
						|
			if i == 0 {
 | 
						|
				globalStorageClass.Update(sc)
 | 
						|
			}
 | 
						|
		}
 | 
						|
	case config.SubnetSubSys:
 | 
						|
		subnetConfig, err := subnet.LookupConfig(s[config.SubnetSubSys][config.Default], globalRemoteTargetTransport)
 | 
						|
		if err != nil {
 | 
						|
			configLogIf(ctx, fmt.Errorf("Unable to parse subnet configuration: %w", err))
 | 
						|
		} else {
 | 
						|
			globalSubnetConfig.Update(subnetConfig, globalIsCICD)
 | 
						|
			globalSubnetConfig.ApplyEnv() // update environment settings for Console UI
 | 
						|
		}
 | 
						|
	case config.CallhomeSubSys:
 | 
						|
		callhomeCfg, err := callhome.LookupConfig(s[config.CallhomeSubSys][config.Default])
 | 
						|
		if err != nil {
 | 
						|
			configLogIf(ctx, fmt.Errorf("Unable to load callhome config: %w", err))
 | 
						|
		} else {
 | 
						|
			enable := callhomeCfg.Enable && !globalCallhomeConfig.Enabled()
 | 
						|
			globalCallhomeConfig.Update(callhomeCfg)
 | 
						|
			if enable {
 | 
						|
				initCallhome(ctx, objAPI)
 | 
						|
			}
 | 
						|
		}
 | 
						|
	case config.DriveSubSys:
 | 
						|
		driveConfig, err := drive.LookupConfig(s[config.DriveSubSys][config.Default])
 | 
						|
		if err != nil {
 | 
						|
			configLogIf(ctx, fmt.Errorf("Unable to load drive config: %w", err))
 | 
						|
		} else {
 | 
						|
			if err = globalDriveConfig.Update(driveConfig); err != nil {
 | 
						|
				configLogIf(ctx, fmt.Errorf("Unable to update drive config: %v", err))
 | 
						|
			}
 | 
						|
		}
 | 
						|
	case config.BrowserSubSys:
 | 
						|
		browserCfg, err := browser.LookupConfig(s[config.BrowserSubSys][config.Default])
 | 
						|
		if err != nil {
 | 
						|
			errs = append(errs, fmt.Errorf("Unable to apply browser config: %w", err))
 | 
						|
		} else {
 | 
						|
			globalBrowserConfig.Update(browserCfg)
 | 
						|
		}
 | 
						|
	case config.ILMSubSys:
 | 
						|
		ilmCfg, err := ilm.LookupConfig(s[config.ILMSubSys][config.Default])
 | 
						|
		if err != nil {
 | 
						|
			errs = append(errs, fmt.Errorf("Unable to apply ilm config: %w", err))
 | 
						|
		} else {
 | 
						|
			if globalTransitionState != nil {
 | 
						|
				globalTransitionState.UpdateWorkers(ilmCfg.TransitionWorkers)
 | 
						|
			}
 | 
						|
			if globalExpiryState != nil {
 | 
						|
				globalExpiryState.ResizeWorkers(ilmCfg.ExpirationWorkers)
 | 
						|
			}
 | 
						|
			globalILMConfig.update(ilmCfg)
 | 
						|
		}
 | 
						|
	}
 | 
						|
	globalServerConfigMu.Lock()
 | 
						|
	defer globalServerConfigMu.Unlock()
 | 
						|
	if globalServerConfig != nil {
 | 
						|
		globalServerConfig[subSys] = s[subSys]
 | 
						|
	}
 | 
						|
	if len(errs) > 0 {
 | 
						|
		return errors.Join(errs...)
 | 
						|
	}
 | 
						|
	return nil
 | 
						|
}
 | 
						|
 | 
						|
// autoGenerateRootCredentials generates root credentials deterministically if
 | 
						|
// a KMS is configured, no manual credentials have been specified and if root
 | 
						|
// access is disabled.
 | 
						|
func autoGenerateRootCredentials() {
 | 
						|
	if GlobalKMS == nil {
 | 
						|
		return
 | 
						|
	}
 | 
						|
	if globalAPIConfig.permitRootAccess() || !globalActiveCred.Equal(auth.DefaultCredentials) {
 | 
						|
		return
 | 
						|
	}
 | 
						|
 | 
						|
	aKey, err := GlobalKMS.MAC(GlobalContext, &kms.MACRequest{Message: []byte("root access key")})
 | 
						|
	if errors.Is(err, kes.ErrNotAllowed) || errors.Is(err, errors.ErrUnsupported) {
 | 
						|
		return // If we don't have permission to compute the HMAC, don't change the cred.
 | 
						|
	}
 | 
						|
	if err != nil {
 | 
						|
		logger.Fatal(err, "Unable to generate root access key using KMS")
 | 
						|
	}
 | 
						|
 | 
						|
	sKey, err := GlobalKMS.MAC(GlobalContext, &kms.MACRequest{Message: []byte("root secret key")})
 | 
						|
	if err != nil {
 | 
						|
		// Here, we must have permission. Otherwise, we would have failed earlier.
 | 
						|
		logger.Fatal(err, "Unable to generate root secret key using KMS")
 | 
						|
	}
 | 
						|
 | 
						|
	accessKey, err := auth.GenerateAccessKey(20, bytes.NewReader(aKey))
 | 
						|
	if err != nil {
 | 
						|
		logger.Fatal(err, "Unable to generate root access key")
 | 
						|
	}
 | 
						|
	secretKey, err := auth.GenerateSecretKey(32, bytes.NewReader(sKey))
 | 
						|
	if err != nil {
 | 
						|
		logger.Fatal(err, "Unable to generate root secret key")
 | 
						|
	}
 | 
						|
 | 
						|
	logger.Info("Automatically generated root access key and secret key with the KMS")
 | 
						|
	globalActiveCred = auth.Credentials{
 | 
						|
		AccessKey: accessKey,
 | 
						|
		SecretKey: secretKey,
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
// applyDynamicConfig will apply dynamic config values.
 | 
						|
// Dynamic systems should be in config.SubSystemsDynamic as well.
 | 
						|
func applyDynamicConfig(ctx context.Context, objAPI ObjectLayer, s config.Config) error {
 | 
						|
	for subSys := range config.SubSystemsDynamic {
 | 
						|
		err := applyDynamicConfigForSubSys(ctx, objAPI, s, subSys)
 | 
						|
		if err != nil {
 | 
						|
			return err
 | 
						|
		}
 | 
						|
	}
 | 
						|
	return nil
 | 
						|
}
 | 
						|
 | 
						|
// Help - return sub-system level help
 | 
						|
type Help struct {
 | 
						|
	SubSys          string         `json:"subSys"`
 | 
						|
	Description     string         `json:"description"`
 | 
						|
	MultipleTargets bool           `json:"multipleTargets"`
 | 
						|
	KeysHelp        config.HelpKVS `json:"keysHelp"`
 | 
						|
}
 | 
						|
 | 
						|
// GetHelp - returns help for sub-sys, a key for a sub-system or all the help.
 | 
						|
func GetHelp(subSys, key string, envOnly bool) (Help, error) {
 | 
						|
	if len(subSys) == 0 {
 | 
						|
		return Help{KeysHelp: config.HelpSubSysMap[subSys]}, nil
 | 
						|
	}
 | 
						|
	subSystemValue := strings.SplitN(subSys, config.SubSystemSeparator, 2)
 | 
						|
	if len(subSystemValue) == 0 {
 | 
						|
		return Help{}, config.Errorf("invalid number of arguments %s", subSys)
 | 
						|
	}
 | 
						|
 | 
						|
	subSys = subSystemValue[0]
 | 
						|
 | 
						|
	subSysHelp, ok := config.HelpSubSysMap[""].Lookup(subSys)
 | 
						|
	if !ok {
 | 
						|
		subSysHelp, ok = config.HelpDeprecatedSubSysMap[subSys]
 | 
						|
		if !ok {
 | 
						|
			return Help{}, config.Errorf("unknown sub-system %s", subSys)
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	h, ok := config.HelpSubSysMap[subSys]
 | 
						|
	if !ok {
 | 
						|
		return Help{}, config.Errorf("unknown sub-system %s", subSys)
 | 
						|
	}
 | 
						|
	if key != "" {
 | 
						|
		value, ok := h.Lookup(key)
 | 
						|
		if !ok {
 | 
						|
			return Help{}, config.Errorf("unknown key %s for sub-system %s",
 | 
						|
				key, subSys)
 | 
						|
		}
 | 
						|
		h = config.HelpKVS{value}
 | 
						|
	}
 | 
						|
 | 
						|
	help := config.HelpKVS{}
 | 
						|
 | 
						|
	// Only for multiple targets, make sure
 | 
						|
	// to list the ENV, for regular k/v EnableKey is
 | 
						|
	// implicit, for ENVs we cannot make it implicit.
 | 
						|
	if subSysHelp.MultipleTargets {
 | 
						|
		key := madmin.EnableKey
 | 
						|
		if envOnly {
 | 
						|
			key = config.EnvPrefix + strings.ToTitle(subSys) + config.EnvWordDelimiter + strings.ToTitle(madmin.EnableKey)
 | 
						|
		}
 | 
						|
		help = append(help, config.HelpKV{
 | 
						|
			Key:         key,
 | 
						|
			Description: fmt.Sprintf("enable %s target, default is 'off'", subSys),
 | 
						|
			Optional:    false,
 | 
						|
			Type:        "on|off",
 | 
						|
		})
 | 
						|
	}
 | 
						|
 | 
						|
	for _, hkv := range h {
 | 
						|
		key := hkv.Key
 | 
						|
		if envOnly {
 | 
						|
			key = config.EnvPrefix + strings.ToTitle(subSys) + config.EnvWordDelimiter + strings.ToTitle(hkv.Key)
 | 
						|
		}
 | 
						|
		help = append(help, config.HelpKV{
 | 
						|
			Key:         key,
 | 
						|
			Description: hkv.Description,
 | 
						|
			Optional:    hkv.Optional,
 | 
						|
			Type:        hkv.Type,
 | 
						|
		})
 | 
						|
	}
 | 
						|
 | 
						|
	return Help{
 | 
						|
		SubSys:          subSys,
 | 
						|
		Description:     subSysHelp.Description,
 | 
						|
		MultipleTargets: subSysHelp.MultipleTargets,
 | 
						|
		KeysHelp:        help,
 | 
						|
	}, nil
 | 
						|
}
 | 
						|
 | 
						|
func newServerConfig() config.Config {
 | 
						|
	return config.New()
 | 
						|
}
 | 
						|
 | 
						|
// newSrvConfig - initialize a new server config, saves env parameters if
 | 
						|
// found, otherwise use default parameters
 | 
						|
func newSrvConfig(objAPI ObjectLayer) error {
 | 
						|
	// Initialize server config.
 | 
						|
	srvCfg := newServerConfig()
 | 
						|
 | 
						|
	// hold the mutex lock before a new config is assigned.
 | 
						|
	globalServerConfigMu.Lock()
 | 
						|
	globalServerConfig = srvCfg
 | 
						|
	globalServerConfigMu.Unlock()
 | 
						|
 | 
						|
	// Save config into file.
 | 
						|
	return saveServerConfig(GlobalContext, objAPI, srvCfg)
 | 
						|
}
 | 
						|
 | 
						|
func getValidConfig(objAPI ObjectLayer) (config.Config, error) {
 | 
						|
	return readServerConfig(GlobalContext, objAPI, nil)
 | 
						|
}
 | 
						|
 | 
						|
// loadConfig - loads a new config from disk, overrides params
 | 
						|
// from env if found and valid
 | 
						|
// data is optional. If nil it will be loaded from backend.
 | 
						|
func loadConfig(objAPI ObjectLayer, data []byte) error {
 | 
						|
	bootstrapTraceMsg("load the configuration")
 | 
						|
	srvCfg, err := readServerConfig(GlobalContext, objAPI, data)
 | 
						|
	if err != nil {
 | 
						|
		return err
 | 
						|
	}
 | 
						|
 | 
						|
	bootstrapTraceMsg("lookup the configuration")
 | 
						|
	// Override any values from ENVs.
 | 
						|
	lookupConfigs(srvCfg, objAPI)
 | 
						|
 | 
						|
	// hold the mutex lock before a new config is assigned.
 | 
						|
	globalServerConfigMu.Lock()
 | 
						|
	globalServerConfig = srvCfg
 | 
						|
	globalServerConfigMu.Unlock()
 | 
						|
 | 
						|
	return nil
 | 
						|
}
 |