hunk.code_window: }
   type ExperimentalSettings struct {
   	ClientSideCertEnable *bool
   	ClientSideCertCheck  *string
   	DisablePostMetadata  *bool
   }
   func (s *ExperimentalSettings) SetDefaults() {
  
hunk.labels: keep keep keep keep keep replace keep keep keep
hunk.after_edit: 	EnablePostMetadata   *bool
  
hunk.file_path: model/config.go
hunk.type: replace
file: // Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
  // See License.txt for license information.
  
  package app
  
  import (
  	"fmt"
  	"time"
  
  	"github.com/mattermost/mattermost-server/mlog"
  	"github.com/mattermost/mattermost-server/model"
  )
  
  const (
  	DISCOVERY_SERVICE_WRITE_PING = 60 * time.Second
  )
  
  type ClusterDiscoveryService struct {
  	model.ClusterDiscovery
  	app  *App
  	stop chan bool
  }
  
  func (a *App) NewClusterDiscoveryService() *ClusterDiscoveryService {
  	ds := &ClusterDiscoveryService{
  		ClusterDiscovery: model.ClusterDiscovery{},
  		app:              a,
  		stop:             make(chan bool),
  	}
  
  	return ds
  }
  
  func (me *ClusterDiscoveryService) Start() {
  
  	<-me.app.Srv.Store.ClusterDiscovery().Cleanup()
  
  	if cresult := <-me.app.Srv.Store.ClusterDiscovery().Exists(&me.ClusterDiscovery); cresult.Err != nil {
  		mlog.Error(fmt.Sprintf("ClusterDiscoveryService failed to check if row exists for %v with err=%v", me.ClusterDiscovery.ToJson(), cresult.Err))
  	} else {
  		if cresult.Data.(bool) {
  			if u := <-me.app.Srv.Store.ClusterDiscovery().Delete(&me.ClusterDiscovery); u.Err != nil {
  				mlog.Error(fmt.Sprintf("ClusterDiscoveryService failed to start clean for %v with err=%v", me.ClusterDiscovery.ToJson(), u.Err))
  			}
  		}
  	}
  
  	if result := <-me.app.Srv.Store.ClusterDiscovery().Save(&me.ClusterDiscovery); result.Err != nil {
  		mlog.Error(fmt.Sprintf("ClusterDiscoveryService failed to save for %v with err=%v", me.ClusterDiscovery.ToJson(), result.Err))
  		return
  	}
  
  	go func() {
  		mlog.Debug(fmt.Sprintf("ClusterDiscoveryService ping writer started for %v", me.ClusterDiscovery.ToJson()))
  		ticker := time.NewTicker(DISCOVERY_SERVICE_WRITE_PING)
  		defer func() {
  			ticker.Stop()
  			if u := <-me.app.Srv.Store.ClusterDiscovery().Delete(&me.ClusterDiscovery); u.Err != nil {
  				mlog.Error(fmt.Sprintf("ClusterDiscoveryService failed to cleanup for %v with err=%v", me.ClusterDiscovery.ToJson(), u.Err))
  			}
  			mlog.Debug(fmt.Sprintf("ClusterDiscoveryService ping writer stopped for %v", me.ClusterDiscovery.ToJson()))
  		}()
  
  		for {
  			select {
  			case <-ticker.C:
  				if u := <-me.app.Srv.Store.ClusterDiscovery().SetLastPingAt(&me.ClusterDiscovery); u.Err != nil {
  					mlog.Error(fmt.Sprintf("ClusterDiscoveryService failed to write ping for %v with err=%v", me.ClusterDiscovery.ToJson(), u.Err))
  				}
  			case <-me.stop:
  				return
  			}
  		}
  	}()
  }
  
  func (me *ClusterDiscoveryService) Stop() {
  	me.stop <- true
  }
  
  func (a *App) IsLeader() bool {
  	if a.License() != nil && *a.Config().ClusterSettings.Enable && a.Cluster != nil {
  		return a.Cluster.IsLeader()
  	}
  	return true
  }
  
  func (a *App) GetClusterId() string {
  	if a.Cluster == nil {
  		return ""
  	}
  
  	return a.Cluster.GetClusterId()
  }
  