exported_functions.go

package supervisor

import (
	"fmt"
	"net"
	"sync/atomic"
	"time"

	"github.com/couchbase/eventing/common"
	couchbase "github.com/couchbase/eventing/dcp"
	"github.com/couchbase/eventing/logging"
	"github.com/couchbase/eventing/util"
	"github.com/couchbase/gocb/v2"
)

// ClearEventStats flushes event processing stats
func (s *SuperSupervisor) ClearEventStats() []string {
	appNames := make([]string, 0)
	for appName, p := range s.runningFns() {
		appNames = append(appNames, appName)
		p.ClearEventStats()
	}
	return appNames
}

// DeployedAppList returns list of deployed lambdas running under super_supervisor
func (s *SuperSupervisor) DeployedAppList() []string {
	appList := make([]string, 0)

	for app := range s.runningFns() {
		appList = append(appList, app)
	}

	return appList
}

// GetEventProcessingStats returns dcp/timer event processing stats
func (s *SuperSupervisor) GetEventProcessingStats(appName string) map[string]uint64 {
	if p, ok := s.runningFns()[appName]; ok {
		return p.GetEventProcessingStats()
	}
	return nil
}

// GetAppCode returns handler code for requested appname
func (s *SuperSupervisor) GetAppCode(appName string) string {
	logPrefix := "SuperSupervisor::GetAppCode"

	logging.Infof("%s [%d] Function: %s request function code", logPrefix, s.runningFnsCount(), appName)
	if p, ok := s.runningFns()[appName]; ok {
		return p.GetAppCode()
	}
	return ""
}

// GetDebuggerURL returns the v8 debugger url for supplied appname
func (s *SuperSupervisor) GetDebuggerURL(appName string) (string, error) {
	logPrefix := "SuperSupervisor::GetDebuggerURL"

	logging.Debugf("%s [%d] Function: %s request for debugger URL", logPrefix, s.runningFnsCount(), appName)
	if p, ok := s.runningFns()[appName]; ok {
		return p.GetDebuggerURL()
	}

	return "", fmt.Errorf("App %s not running", appName)
}

// GetDeployedApps returns list of deployed apps and their last deployment time
func (s *SuperSupervisor) GetDeployedApps() map[string]string {
	s.appListRWMutex.RLock()
	defer s.appListRWMutex.RUnlock()

	deployedApps := make(map[string]string)
	for app, timeStamp := range s.deployedApps {
		deployedApps[app] = timeStamp
	}

	return deployedApps
}

// GetLatencyStats dumps stats from cpp world
func (s *SuperSupervisor) GetLatencyStats(appName string) common.StatsData {
	if p, ok := s.runningFns()[appName]; ok {
		return p.GetLatencyStats()
	}
	return nil
}

func (s *SuperSupervisor) GetCurlLatencyStats(appName string) common.StatsData {
	if p, ok := s.runningFns()[appName]; ok {
		return p.GetCurlLatencyStats()
	}
	return nil
}

func (s *SuperSupervisor) GetInsight(appName string) *common.Insight {
	logPrefix := "SuperSupervisor::GetInsight"
	if p, ok := s.runningFns()[appName]; ok {
		if insight := p.GetInsight(); insight != nil {
			logging.Debugf("%s [%d] Function: %s insight is %ru", logPrefix, s.runningFnsCount(), appName, insight)
			return insight
		}
	}
	return common.NewInsight() // empty if error
}

// GetLocallyDeployedApps returns list of deployed apps and their last deployment time
func (s *SuperSupervisor) GetLocallyDeployedApps() map[string]string {
	s.appListRWMutex.RLock()
	defer s.appListRWMutex.RUnlock()

	locallyDeployedApps := make(map[string]string)
	for app, timeStamp := range s.locallyDeployedApps {
		locallyDeployedApps[app] = timeStamp
	}

	return locallyDeployedApps
}

// GetExecutionStats returns aggregated failure stats from Eventing.Producer instance
func (s *SuperSupervisor) GetExecutionStats(appName string) map[string]interface{} {
	if p, ok := s.runningFns()[appName]; ok {
		return p.GetExecutionStats()
	}
	return nil
}

// GetFailureStats returns aggregated failure stats from Eventing.Producer instance
func (s *SuperSupervisor) GetFailureStats(appName string) map[string]interface{} {
	if p, ok := s.runningFns()[appName]; ok {
		return p.GetFailureStats()
	}
	return nil
}

// GetLcbExceptionsStats returns libcouchbase exception stats from CPP workers
func (s *SuperSupervisor) GetLcbExceptionsStats(appName string) map[string]uint64 {
	p, ok := s.runningFns()[appName]
	if ok {
		return p.GetLcbExceptionsStats()
	}
	return nil
}

// GetSeqsProcessed returns vbucket specific sequence nos processed so far
func (s *SuperSupervisor) GetSeqsProcessed(appName string) map[int]int64 {
	if p, ok := s.runningFns()[appName]; ok {
		return p.GetSeqsProcessed()
	}
	return nil
}

// Gets the cluster url and pool supervisor is observing ns_server changes on.
func (s *SuperSupervisor) GetRegisteredPool() string {
	return s.hostport + "-" + s.pool
}

// RestPort returns ns_server port(typically 8091/9000)
func (s *SuperSupervisor) RestPort() string {
	return s.restPort
}

func (s *SuperSupervisor) ResetCounters(appName string) error {
	p, ok := s.runningFns()[appName]
	if ok {
		p.ResetCounters()
		return nil
	}
	return fmt.Errorf("No function named %v registered by supervisor")
}

// SignalStopDebugger stops V8 Debugger for a specific deployed lambda
func (s *SuperSupervisor) SignalStopDebugger(appName string) error {
	p, ok := s.runningFns()[appName]
	if !ok {
		return fmt.Errorf("Producer %s not running", appName)
	}
	err := p.SignalStopDebugger()
	if err != nil {
		return err
	}
	return nil
}

// GetAppCompositeState returns current state of app
func (s *SuperSupervisor) GetAppCompositeState(appName string) int8 {
	s.appRWMutex.RLock()
	defer s.appRWMutex.RUnlock()

	dStatus := s.appDeploymentStatus[appName]
	pStatus := s.appProcessingStatus[appName]
	return common.GetCompositeState(dStatus, pStatus)
}

// GetDcpEventsRemainingToProcess returns remaining dcp events to process
func (s *SuperSupervisor) GetDcpEventsRemainingToProcess(appName string) uint64 {
	logPrefix := "SuperSupervisor::GetDcpEventsRemainingToProcess"

	p, ok := s.runningFns()[appName]
	if ok {
		return p.GetDcpEventsRemainingToProcess()
	}
	logging.Errorf("%s [%d] Function: %s request didn't go through as Eventing.Producer instance isn't alive",
		logPrefix, s.runningFnsCount(), appName)
	return 0
}

// VbDcpEventsRemainingToProcess returns remaining dcp events to process
func (s *SuperSupervisor) VbDcpEventsRemainingToProcess(appName string) map[int]int64 {
	logPrefix := "SuperSupervisor::VbDcpEventsRemainingToProcess"

	p, ok := s.runningFns()[appName]
	if ok {
		return p.VbDcpEventsRemainingToProcess()
	}
	logging.Errorf("%s [%d] Function: %s request didn't go through as Eventing.Producer instance isn't alive",
		logPrefix, s.runningFnsCount(), appName)
	return nil
}

// GetEventingConsumerPids returns map of Eventing.Consumer worker name and it's os pid
func (s *SuperSupervisor) GetEventingConsumerPids(appName string) map[string]int {
	logPrefix := "SuperSupervisor::GetEventingConsumerPids"

	p, ok := s.runningFns()[appName]
	if ok {
		return p.GetEventingConsumerPids()
	}
	logging.Errorf("%s [%d] Function: %s request didn't go through as Eventing.Producer instance isn't alive",
		logPrefix, s.runningFnsCount(), appName)
	return nil
}

// Last ditch effort to kill all consumers
func (s *SuperSupervisor) KillAllConsumers() {
	for _, p := range s.runningProducers {
		p.KillAllConsumers()
	}
}

// InternalVbDistributionStats returns internal state of vbucket ownership distribution on local eventing node
func (s *SuperSupervisor) InternalVbDistributionStats(appName string) map[string]string {
	p, ok := s.runningFns()[appName]
	if ok {
		return p.InternalVbDistributionStats()
	}

	return nil
}

// VbDistributionStatsFromMetadata returns vbucket distribution across eventing nodes from metadata bucket
func (s *SuperSupervisor) VbDistributionStatsFromMetadata(appName string) map[string]map[string]string {
	p, ok := s.runningFns()[appName]
	if ok {
		return p.VbDistributionStatsFromMetadata()
	}

	return nil
}

// PlannerStats returns vbucket distribution as per planner running on local eventing
// node for a given app
func (s *SuperSupervisor) PlannerStats(appName string) []*common.PlannerNodeVbMapping {
	p, ok := s.runningFns()[appName]
	if ok {
		return p.PlannerStats()
	}

	return nil
}

// RebalanceTaskProgress reports vbuckets remaining to be transferred as per planner
// during the course of rebalance
func (s *SuperSupervisor) RebalanceTaskProgress(appName string) (*common.RebalanceProgress, error) {
	p, ok := s.runningFns()[appName]
	if ok {
		return p.RebalanceTaskProgress(), nil
	}

	_, err := s.isFnRunningFromPrimary(appName)
	if err != nil {
		return nil, err
	}

	progress := &common.RebalanceProgress{}

	// report rebalance progress for yet-to-bootstrap-apps only if node is still part of cluster
	if s.checkIfNodeInCluster() {
		progress.VbsRemainingToShuffle = 1
	}

	return progress, nil
}

// TimerDebugStats captures timer related stats to assist in debugging mismtaches during rebalance
func (s *SuperSupervisor) TimerDebugStats(appName string) (map[int]map[string]interface{}, error) {
	p, ok := s.runningFns()[appName]
	if ok {
		return p.TimerDebugStats(), nil
	}

	return nil, fmt.Errorf("Eventing.Producer isn't alive")
}

// BootstrapAppStatus reports back status of bootstrap for a particular app on current node
func (s *SuperSupervisor) BootstrapAppStatus(appName string) bool {
	logPrefix := "SuperSupervisor::BootstrapAppStatus"

	producer, ok := s.runningFns()[appName]

	if ok {
		bootstrapStatus := producer.BootstrapStatus()
		if bootstrapStatus {
			logging.Infof("%s [%d] Bootstrap status from %s: %#v", logPrefix, s.runningFnsCount(), appName, bootstrapStatus)
		}
		return bootstrapStatus
	}

	return false
}

// BootstrapStatus reports back status of bootstrap for all running apps on current node
func (s *SuperSupervisor) BootstrapStatus() bool {
	logPrefix := "SuperSupervisor::BootstrapStatus"

	bootstrapStatuses := make(map[string]bool)
	for appName, p := range s.runningFns() {
		bootstrapStatuses[appName] = p.BootstrapStatus()
	}

	logging.Infof("%s [%d] Bootstrap status from all running applications: %#v", logPrefix, s.runningFnsCount(), bootstrapStatuses)

	for _, bootstrapStatus := range bootstrapStatuses {
		if bootstrapStatus {
			return bootstrapStatus
		}
	}

	return false
}

// RebalanceStatus reports back status of rebalance for all running apps on current node
func (s *SuperSupervisor) RebalanceStatus() bool {
	logPrefix := "SuperSupervisor::RebalanceStatus"

	if atomic.LoadInt32(&s.isRebalanceOngoing) == 1 {
		return true
	}

	rebalanceStatuses := make(map[string]bool)
	for appName, p := range s.runningFns() {
		rebalanceStatuses[appName] = p.RebalanceStatus()
	}

	logging.Infof("%s [%d] Rebalance status from all running applications: %#v",
		logPrefix, s.runningFnsCount(), rebalanceStatuses)

	for _, rebStatus := range rebalanceStatuses {
		if rebStatus {
			return rebStatus
		}
	}

	return false
}

// PausingAppList returns list of apps which are being Paused
func (s *SuperSupervisor) PausingAppList() map[string]string {
	logPrefix := "SuperSupervisor::PausingAppList"

	pausingApps := make(map[string]string)

	s.appListRWMutex.RLock()
	defer s.appListRWMutex.RUnlock()

	for appName, ts := range s.pausingApps {
		pausingApps[appName] = ts
	}

	if len(pausingApps) != 0 {
		logging.Infof("%s [%d] pausingApps: %+v", logPrefix, s.runningFnsCount(), pausingApps)
	}

	return pausingApps
}

// BootstrapAppList returns list of apps undergoing bootstrap
func (s *SuperSupervisor) BootstrapAppList() map[string]string {
	logPrefix := "SuperSupervisor::BootstrapAppList"

	bootstrappingApps := make(map[string]string)

	s.appListRWMutex.RLock()
	defer s.appListRWMutex.RUnlock()

	for appName, ts := range s.bootstrappingApps {
		bootstrappingApps[appName] = ts
	}

	if len(bootstrappingApps) > 0 {
		logging.Infof("%s [%d] bootstrappingApps: %+v", logPrefix, s.runningFnsCount(), bootstrappingApps)
	}

	return bootstrappingApps
}

// VbSeqnoStats returns seq no stats, which can be useful in figuring out missed events during rebalance
func (s *SuperSupervisor) VbSeqnoStats(appName string) (map[int][]map[string]interface{}, error) {
	p, ok := s.runningFns()[appName]
	if ok {
		return p.VbSeqnoStats(), nil
	}

	return nil, fmt.Errorf("Eventing.Producer isn't alive")
}

// RemoveProducerToken takes out appName from supervision tree
func (s *SuperSupervisor) RemoveProducerToken(appName string) {
	if p, exists := s.runningFns()[appName]; exists {
		s.stopAndDeleteProducer(p)
	}
}

// CheckpointBlobDump returns state of metadata blobs stored in Couchbase bucket
func (s *SuperSupervisor) CheckpointBlobDump(appName string) (interface{}, error) {
	p, ok := s.runningFns()[appName]
	if ok {
		return p.CheckpointBlobDump(), nil
	}

	return nil, fmt.Errorf("Eventing.Producer isn't alive")
}

// StopProducer tries to gracefully stop running producer instance for a function
func (s *SuperSupervisor) StopProducer(appName string, msg common.UndeployAction) {
	logPrefix := "SuperSupervisor::StopProducer"

	if swapped := s.checkAndSwapStatus(appName, false, false); !swapped {
		// Some other routine must have undeployed this app
		return
	}

	logging.Infof("%s [%d] Function: %s stopping running producer instance, %s",
		logPrefix, s.runningFnsCount(), appName, msg)

	s.deleteFromLocallyDeployedApps(appName)

	s.cleanupProducer(appName, msg)
	s.deleteFromDeployedApps(appName)
}

func (s *SuperSupervisor) addToDeployedApps(appName string) {
	logPrefix := "SuperSupervisor::addToDeployedApps"
	s.appListRWMutex.Lock()
	defer s.appListRWMutex.Unlock()
	logging.Infof("%s [%d] Function: %s adding to deployed apps map", logPrefix, s.runningFnsCount(), appName)
	s.deployedApps[appName] = time.Now().String()
}

func (s *SuperSupervisor) addToLocallyDeployedApps(appName string) {
	logPrefix := "SuperSupervisor::addToLocallyDeployedApps"
	s.appListRWMutex.Lock()
	defer s.appListRWMutex.Unlock()
	logging.Infof("%s [%d] Function: %s adding to locally deployed apps map", logPrefix, s.runningFnsCount(), appName)
	s.locallyDeployedApps[appName] = time.Now().String()
}

func (s *SuperSupervisor) deleteFromDeployedApps(appName string) {
	logPrefix := "SuperSupervisor::deleteFromDeployedApps"
	s.appListRWMutex.Lock()
	defer s.appListRWMutex.Unlock()
	logging.Infof("%s [%d] Function: %s deleting from deployed apps map", logPrefix, s.runningFnsCount(), appName)
	delete(s.deployedApps, appName)
}

func (s *SuperSupervisor) deleteFromLocallyDeployedApps(appName string) {
	logPrefix := "SuperSupervisor::deleteFromLocallyDeployedApps"
	s.appListRWMutex.Lock()
	defer s.appListRWMutex.Unlock()
	logging.Infof("%s [%d] Function: %s deleting from locally deployed apps map", logPrefix, s.runningFnsCount(), appName)
	delete(s.locallyDeployedApps, appName)
}

// GetMetaStoreStats returns metastore related stats from all running functions on current node
func (s *SuperSupervisor) GetMetaStoreStats(appName string) map[string]uint64 {
	stats := make(map[string]uint64)
	if p, ok := s.runningFns()[appName]; ok {
		stats = p.GetMetaStoreStats()
	}
	return stats
}

// WriteDebuggerToken signals running function to write debug token
func (s *SuperSupervisor) WriteDebuggerToken(appName, token string, hostnames []string) {
	logPrefix := "SuperSupervisor::WriteDebuggerToken"

	p, exists := s.runningFns()[appName]
	if !exists {
		logging.Errorf("%s [%d] Function %s not found", logPrefix, s.runningFnsCount(), appName)
		return
	}
	p.WriteDebuggerToken(token, hostnames)
}

// WriteDebuggerURL signals running function to write debug url
func (s *SuperSupervisor) WriteDebuggerURL(appName, url string) {
	logPrefix := "SuperSupervisor::WriteDebuggerURL"

	p, exists := s.runningFns()[appName]
	if !exists {
		logging.Errorf("%s [%d] Function %s not found", logPrefix, s.runningFnsCount(), appName)
		return
	}
	p.WriteDebuggerURL(url)
}

func (s *SuperSupervisor) runningFnsCount() int {
	s.runningProducersRWMutex.RLock()
	defer s.runningProducersRWMutex.RUnlock()
	return len(s.runningProducers)
}

func (s *SuperSupervisor) runningFns() map[string]common.EventingProducer {
	runningFns := make(map[string]common.EventingProducer)

	s.runningProducersRWMutex.RLock()
	defer s.runningProducersRWMutex.RUnlock()
	for k, v := range s.runningProducers {
		runningFns[k] = v
	}

	return runningFns
}

func (s *SuperSupervisor) deleteFromRunningProducers(appName string) {
	logPrefix := "SuperSupervisor::deleteFromRunningProducers"

	s.runningProducersRWMutex.Lock()
	delete(s.runningProducers, appName)
	s.runningProducersRWMutex.Unlock()

	logging.Infof("%s [%d] Function: %s deleted from running functions", logPrefix, s.runningFnsCount(), appName)
}

func (s *SuperSupervisor) addToRunningProducers(appName string, p common.EventingProducer) {
	logPrefix := "SuperSupervisor::addToRunningProducers"

	s.runningProducersRWMutex.Lock()
	s.runningProducers[appName] = p
	s.runningProducersRWMutex.Unlock()

	logging.Infof("%s [%d] Function: %s added to running functions", logPrefix, s.runningFnsCount(), appName)
}

// SpanBlobDump returns state of timer span blobs stored in metadata bucket
func (s *SuperSupervisor) SpanBlobDump(appName string) (interface{}, error) {
	p, ok := s.runningFns()[appName]
	if ok {
		return p.SpanBlobDump(), nil
	}

	return nil, fmt.Errorf("Eventing.Producer isn't alive")
}

func (s *SuperSupervisor) addToCleanupApps(appName string) {
	logPrefix := "SuperSupervisor::addToCleanupApps"

	s.Lock()
	defer s.Unlock()

	_, ok := s.cleanedUpAppMap[appName]
	if !ok {
		s.cleanedUpAppMap[appName] = struct{}{}
		logging.Infof("%s [%d] Function: %s added", logPrefix, s.runningFnsCount(), appName)
	}
}

func (s *SuperSupervisor) deleteFromCleanupApps(appName string) {
	logPrefix := "SuperSupervisor::deleteFromCleanupApps"

	s.Lock()
	defer s.Unlock()
	delete(s.cleanedUpAppMap, appName)

	logging.Infof("%s [%d] Function: %s deleted", logPrefix, s.runningFnsCount(), appName)
}

// DcpFeedBoundary returns feed boundary used for vb dcp streams
func (s *SuperSupervisor) DcpFeedBoundary(fnName string) (string, error) {
	p, ok := s.runningFns()[fnName]
	if ok {
		return p.DcpFeedBoundary(), nil
	}

	return "", fmt.Errorf("Eventing.Producer isn't alive")
}

// GetAppLog returns tail of app log
func (s *SuperSupervisor) GetAppLog(fnName string, sz int64) []string {
	p, ok := s.runningFns()[fnName]
	if !ok {
		logging.Infof("Could not find app %v to tail", fnName)
		return nil
	}
	return p.GetAppLog(sz)

}

// GetBucket returns the bucket to the caller
func (s *SuperSupervisor) GetBucket(bucketName, appName string) (*couchbase.Bucket, error) {
	s.bucketsRWMutex.Lock()
	defer s.bucketsRWMutex.Unlock()
	if bucketWatch, ok := s.buckets[bucketName]; ok {
		if _, ok := bucketWatch.apps[appName]; !ok {
			return nil, fmt.Errorf("Function: %s is no longer watching bucket: %s", appName, bucketName)
		}
		return bucketWatch.b, nil
	}

	return nil, fmt.Errorf("Function: %s requested bucket: %s is not in watch list", appName, bucketName)
}

func (s *SuperSupervisor) GetGocbHandle(bucketName, appName string) (*gocb.Bucket, error) {
	return s.gocbGlobalConfigHandle.getBucket(bucketName, appName)
}

func (s *SuperSupervisor) CheckAndSwitchgocbBucket(bucketName, appName string, setting *common.SecuritySetting) error {
	return s.gocbGlobalConfigHandle.maybeRegistergocbBucket(bucketName, appName, setting, s)
}

func (s *SuperSupervisor) GetCurrentManifestId(bucketName string) (string, error) {
	s.bucketsRWMutex.Lock()
	defer s.bucketsRWMutex.Unlock()
	bucketWatch, ok := s.buckets[bucketName]
	if !ok {
		return "0", common.BucketNotWatched
	}
	return bucketWatch.GetManifestId(), nil
}

// Empty collectionName returns collection id as 0
// Caller of this functions should take care of it
func (s *SuperSupervisor) GetKeyspaceID(bucketName, scopeName, collectionName string) (keyspaceID common.KeyspaceID, err error) {
	s.bucketsRWMutex.RLock()
	defer s.bucketsRWMutex.RUnlock()
	bucketWatch, ok := s.buckets[bucketName]
	if !ok {
		err = common.BucketNotWatched
		return
	}

	keyspaceID.Bid = bucketWatch.b.UUID
	manifest := bucketWatch.b.Manifest
	if manifest == nil {
		return
	}

	if scopeName == "*" && collectionName == "*" {
		keyspaceID.StreamType = common.STREAM_BUCKET
		return
	}

	if collectionName == "*" {
		collectionName = ""
		keyspaceID.StreamType = common.STREAM_SCOPE
	} else {
		keyspaceID.StreamType = common.STREAM_COLLECTION
	}

	sid, cid, err := manifest.GetScopeAndCollectionID(scopeName, collectionName)
	if err != nil {
		return keyspaceID, err
	}

	keyspaceID.Sid = sid
	keyspaceID.Cid = cid
	return keyspaceID, nil
}

func (s *SuperSupervisor) GetMetadataHandle(bucketName, scopeName, collectionName, appName string) (*gocb.Collection, error) {
	return s.gocbGlobalConfigHandle.getBucketCollection(bucketName, scopeName, collectionName, appName)
}

func (s *SuperSupervisor) IncWorkerRespawnedCount() {
	atomic.AddUint32(&s.workerRespawnedCount, 1)
}

func (s *SuperSupervisor) WorkerRespawnedCount() uint32 {
	return atomic.LoadUint32(&s.workerRespawnedCount)
}

func (s *SuperSupervisor) CheckLifeCycleOpsDuringRebalance() bool {
	return s.serviceMgr.CheckLifeCycleOpsDuringRebalance()
}

// SetSecuritySetting Sets the new security settings and returns whether reload is required or not
func (s *SuperSupervisor) SetSecuritySetting(setting *common.SecuritySetting) bool {
	defer func() {
		s.securityMutex.Unlock()
		if setting != nil {
			// Push encryption change notifications to all consumers of all producers
			s.UpdateEncryptionLevel(setting.DisableNonSSLPorts, setting.EncryptData)
		}
	}()
	s.securityMutex.Lock()
	if s.securitySetting != nil {
		// TODO: 7.0.1 Change return value based on EncryptData and DisableNonSSLPorts since both can change
		if s.securitySetting.EncryptData == false && setting.EncryptData == false {
			s.securitySetting = setting
			return false
		}
		s.securitySetting = setting
		return true
	}
	s.securitySetting = setting
	return false
}

func (s *SuperSupervisor) GetSecuritySetting() *common.SecuritySetting {
	s.securityMutex.RLock()
	defer s.securityMutex.RUnlock()
	return s.securitySetting
}

func (s *SuperSupervisor) EncryptionChangedDuringLifecycle() bool {
	s.initEncryptDataMutex.RLock()
	initencryptData := s.initLifecycleEncryptData
	defer s.initEncryptDataMutex.RUnlock()

	currentencryptData := false
	if securitySetting := s.GetSecuritySetting(); securitySetting != nil {
		currentencryptData = securitySetting.EncryptData
	}

	if initencryptData != currentencryptData {
		return true
	}
	return false
}

func (s *SuperSupervisor) GetGocbSubscribedApps(encryptionEnabled bool) map[string]struct{} {
	apps := make(map[string]struct{})
	s.gocbGlobalConfigHandle.RLock()
	defer s.gocbGlobalConfigHandle.RUnlock()
	for appName, appencrypted := range s.gocbGlobalConfigHandle.appEncryptionMap {
		if appencrypted == encryptionEnabled {
			apps[appName] = struct{}{}
		}
	}
	return apps
}

func (s *SuperSupervisor) GetBSCSnapshot() (map[string]map[string][]string, error) {
	hostAddress := net.JoinHostPort(util.Localhost(), s.restPort)
	cic, err := util.FetchClusterInfoClient(hostAddress)
	if err != nil {
		return nil, err
	}
	cinfo := cic.GetClusterInfoCache()
	cinfo.RLock()
	defer cinfo.RUnlock()

	snapshot := make(map[string]map[string][]string)
	buckets := cinfo.GetBuckets()
	for _, bucketName := range buckets {
		scopeList := cinfo.GetScopes(bucketName)
		if scopeList == nil {
			snapshot[bucketName] = make(map[string][]string)
			continue
		}
		snapshot[bucketName] = scopeList
	}
	return snapshot, nil
}

func (s *SuperSupervisor) GetNumVbucketsForBucket(bucketName string) int {
	hostAddress := net.JoinHostPort(util.Localhost(), s.restPort)
	cic, err := util.FetchClusterInfoClient(hostAddress)
	if err != nil {
		return 1024
	}
	cinfo := cic.GetClusterInfoCache()
	cinfo.RLock()
	defer cinfo.RUnlock()

	return cinfo.GetNumVbucketsForBucket(bucketName)
}

func (s *SuperSupervisor) UpdateEncryptionLevel(enforceTLS, encryptOn bool) {
	for _, p := range s.runningFns() {
		p.UpdateEncryptionLevel(enforceTLS, encryptOn)
	}
}

func (s *SuperSupervisor) GetSystemMemoryQuota() float64 {
	return s.systemMemLimit * memQuotaThreshold
}