Move cluster, webhub and store out of Server (#20899)

app/plugin.go

@@ -93,6 +93,7 @@ func (ch *Channels) SetPluginsEnvironment(pluginsEnvironment *plugin.Environment
 	defer ch.pluginsLock.Unlock()
 
 	ch.pluginsEnvironment = pluginsEnvironment
+	ch.srv.Platform().SetPluginsEnvironment(pluginsEnvironment)
 }
 
 func (ch *Channels) syncPluginsActiveState() {
@@ -148,7 +149,7 @@ func (ch *Channels) syncPluginsActiveState() {
 				if deactivated && plugin.Manifest.HasClient() {
 					message := model.NewWebSocketEvent(model.WebsocketEventPluginDisabled, "", "", "", nil, "")
 					message.Add("manifest", plugin.Manifest.ClientManifest())
-					ch.srv.Publish(message)
+					ch.srv.platform.Publish(message)
 				}
 			}(plugin)
 		}
@@ -198,6 +199,10 @@ func (a *App) InitPlugins(c *request.Context, pluginDir, webappPluginDir string)
 
 func (ch *Channels) initPlugins(c *request.Context, pluginDir, webappPluginDir string) {
 	// Acquiring lock manually, as plugins might be disabled. See GetPluginsEnvironment.
+	defer func() {
+		ch.srv.Platform().SetPluginsEnvironment(ch.pluginsEnvironment)
+	}()
+
 	ch.pluginsLock.RLock()
 	pluginsEnvironment := ch.pluginsEnvironment
 	ch.pluginsLock.RUnlock()
@@ -840,9 +845,9 @@ func (ch *Channels) notifyPluginEnabled(manifest *model.Manifest) error {
 
 	var statuses model.PluginStatuses
 
-	if ch.srv.Cluster != nil {
+	if ch.srv.platform.Cluster() != nil {
 		var err *model.AppError
-		statuses, err = ch.srv.Cluster.GetPluginStatuses()
+		statuses, err = ch.srv.platform.Cluster().GetPluginStatuses()
 		if err != nil {
 			return err
 		}
@@ -868,7 +873,7 @@ func (ch *Channels) notifyPluginEnabled(manifest *model.Manifest) error {
 	// Notify all cluster peer clients.
 	message := model.NewWebSocketEvent(model.WebsocketEventPluginEnabled, "", "", "", nil, "")
 	message.Add("manifest", manifest.ClientManifest())
-	ch.srv.Publish(message)
+	ch.srv.platform.Publish(message)
 
 	return nil
 }