Merge pull request #546 from aau-network-security/develop

daemon/team.go

@@ -116,11 +116,14 @@ func checkTeamLab(ch chan guacamole.Event, wg *sync.WaitGroup) {
 						Msgf("Error on team lab suspend/GetLabByTeam")
 				}
 				log.Info().Msgf("Suspending resources for team %s", t.Name())
-				// check if it is already suspended or not.
-				for _, instanceInfo := range lab.InstanceInfo() {
-					if instanceInfo.State != virtual.Suspended {
-						if err := lab.Suspend(context.Background()); err != nil {
-							log.Error().Msgf("Error on team lab suspend: %v", err)
+				// check if lab might be nil !
+				if lab != nil {
+					// check if it is already suspended or not.
+					for _, instanceInfo := range lab.InstanceInfo() {
+						if instanceInfo.State != virtual.Suspended {
+							if err := lab.Suspend(context.Background()); err != nil {
+								log.Error().Msgf("Error on team lab suspend: %v", err)
+							}
 						}
 					}
 				}

docs/troubleshooting.md

@@ -192,6 +192,15 @@ This error might happen for some reasons which are;
   If there is an error happened restart VM which throws the error. 
 
 
+- Guacamole mysql is NOT able to run. (Crashing) 
+
+Mysql requires following configuration file to be placed. 
+
+ - [https://help.directadmin.com/item.php?id=529](https://help.directadmin.com/item.php?id=529)
+
+ - [https://dev.mysql.com/doc/refman/5.7/en/innodb-parameters.html#sysvar_innodb_use_native_aio](https://dev.mysql.com/doc/refman/5.7/en/innodb-parameters.html#sysvar_innodb_use_native_aio)
+
+
 ## Pool overlaps with other one on this address space
 
 This error is directly related with docker containers and network, in order to overcome this error, docker related clean up