Fixed issue in ee stack start --mysql

Author: gau1991

ee/cli/plugins/stack_services.py

@@ -51,11 +51,18 @@ def start(self):
                 Log.info(self, "PHP5-FPM is not installed")
 
         if self.app.pargs.mysql:
-            if EEVariables.ee_mysql_host is "localhost":
-                services = services + ['mysql']
+            if ((EEVariables.ee_mysql_host is "localhost") or
+               (EEVariables.ee_mysql_host is "127.0.0.1")):
+                if (EEAptGet.is_installed(self, 'mysql-server') or
+                   EEAptGet.is_installed(self, 'percona-server-server-5.6') or
+                   EEAptGet.is_installed(self, 'mariadb-server')):
+                    services = services + ['mysql']
+                else:
+                    Log.info(self, "MySQL is not installed")
             else:
-                Log.warn(self, "Remote MySQL found,"
-                         "Unable to start MySQL service")
+                Log.warn(self, "Remote MySQL found, "
+                         "Unable to check MySQL service status")
+
         if self.app.pargs.postfix:
             if EEAptGet.is_installed(self, 'postfix'):
                 services = services + ['postfix']