Fix wo_db_name & wo_db_username variable

CHANGELOG.md

@@ -22,6 +22,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Several typo or syntax errors
 - `wo  site` errors due to broken symlinks for access.log or error.log
 - `wo clean` error due to unused memcached flag
+- MySQL database and user variables overwrited in `wo site`
 
 ### v3.9.8.8 - 2019-09-02
 

wo/cli/plugins/site_functions.py

@@ -160,6 +160,7 @@ def setupdatabase(self, data):
 
     if not wo_db_name:
         wo_db_name = wo_replace_dot
+        wo_db_name = (wo_db_name[0:8] + generate_random())
 
     if prompt_dbuser == 'True' or prompt_dbuser == 'true':
         try:
@@ -173,12 +174,10 @@ def setupdatabase(self, data):
 
     if not wo_db_username:
         wo_db_username = wo_replace_dot
+        wo_db_username = (wo_db_name[0:8] + generate_random())
     if not wo_db_password:
         wo_db_password = wo_random_pass
 
-    wo_db_username = (wo_db_name[0:8] + generate_random())
-    wo_db_name = (wo_db_name[0:8] + generate_random())
-
     # create MySQL database
     Log.info(self, "Setting up database\t\t", end='')
     Log.debug(self, "Creating database {0}".format(wo_db_name))