serviceFreeze                             // Freeze all S3 API calls.
	serviceUnFreeze                           // Un-Freeze previously frozen S3 API calls.
	// Add new service requests here.
)

// Global service signal channel.
var globalServiceSignalCh = make(chan serviceSignal)

// GlobalContext context that is canceled when server is requested to shut down.

	name, description          string
	expiration                 *time.Time
	allowSiteReplicatorAccount bool // allow creating internal service account for site-replication.

	claims map[string]interface{}
}

// NewServiceAccount - create a new service account
func (sys *IAMSys) NewServiceAccount(ctx context.Context, parentUser string, groups []string, opts newServiceAccountOpts) (auth.Credentials, time.Time, error) {

			case serviceRestart:
				logger.Info("Restarting on service signal")
				daemon.SdNotify(false, daemon.SdNotifyReloading)
				stop := stopProcess()
				rerr := restartProcess()
				if rerr == nil {
					daemon.SdNotify(false, daemon.SdNotifyReady)
				}
				shutdownLogIf(context.Background(), rerr)
				exit(stop && rerr == nil)
			case serviceStop:
				logger.Info("Stopping on service signal")

		errorString := errorStringBuilder.String()
		if resp.StatusCode == http.StatusConflict {
			return ErrBucketConflict(Error{bucket, errors.New(errorString)})
		}
		return newError(bucket, fmt.Errorf("service create for bucket %s, failed with status %s, error %s", bucket, resp.Status, errorString))
	}
	return nil
}

func newError(bucket string, err error) error {
	e := Error{bucket, err}

		Description:    "Error parsing the Credential/X-Amz-Credential parameter; incorrect service. This endpoint belongs to \"s3\".",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrInvalidServiceSTS: {
		Code:           "AuthorizationParametersError",
		Description:    "Error parsing the Credential parameter; incorrect service. This endpoint belongs to \"sts\".",
		HTTPStatusCode: http.StatusBadRequest,
	},

	AccessKey string
}

func (e RemoteTargetConnectionErr) Error() string {
	if e.Bucket != "" {
		return fmt.Sprintf("Remote service endpoint offline, target bucket: %s or remote service credentials: %s invalid \n\t%s", e.Bucket, e.AccessKey, e.Err.Error())
	}
	return fmt.Sprintf("Remote service endpoint %s not available\n\t%s", e.Endpoint, e.Err.Error())
}

// BucketRemoteIdenticalToSource remote already exists for this target type.

	GroupSearchBaseDistName  string   `json:"groupSearchBaseDN"`
	GroupSearchBaseDistNames []string `json:"-"` // Generated field
	GroupSearchFilter        string   `json:"groupSearchFilter"`

	// Lookup bind LDAP service account
	LookupBindDN       string `json:"lookupBindDN"`
	LookupBindPassword string `json:"lookupBindPassword"`
}

// SetIdentityLDAP - One time migration code needed, for migrating from older config to new for LDAPConfig.

	// 3. Check S3 access
	c.assertSvcAccS3Access(ctx, s, cr, bucket)

	// 5. Check that service account can be deleted.
	c.assertSvcAccDeletion(ctx, s, userAdmClient, value.AccessKeyID, bucket)

	// 6. Check that service account cannot be created for some other user.
	c.mustNotCreateSvcAccount(ctx, globalActiveCred.AccessKey, userAdmClient)
}

}

// Populates prometheus with bucket usage metrics, this metrics
// is only enabled if scanner is enabled.
func bucketUsageMetricsPrometheus(ch chan<- prometheus.Metric) {
	objLayer := newObjectLayerFn()
	// Service not initialized yet
	if objLayer == nil {
		return
	}

	dataUsageInfo, err := loadDataUsageFromBackend(GlobalContext, objLayer)
	if err != nil {
		return
	}

	globalDNSCache = &dnscache.Resolver{
		Timeout: 5 * time.Second,
	}

	globalForwarder *handlers.Forwarder

	globalTierConfigMgr *TierConfigMgr

	globalConsoleSrv *consoleapi.Server

	// handles service freeze or un-freeze S3 API calls.
	globalServiceFreeze atomic.Value

	// Only needed for tracking
	globalServiceFreezeCnt int32
	globalServiceFreezeMu  sync.Mutex // Updates.