added the GRANT privilege for a mysql user (WITH GRANT OPTION)

library/mysql_user

@@ -170,11 +170,13 @@ def privileges_get(cursor, user,host):
     cursor.execute("SHOW GRANTS FOR %s@%s", (user,host))
     grants = cursor.fetchall()
     for grant in grants:
-        res = re.match("GRANT\ (.+)\ ON\ (.+)\ TO", grant[0])
+        res = re.match("GRANT\ (.+)\ ON\ (.+)\ TO\ '.+'@'.+'[\ IDENTIFIED\ BY\ PASSWORD\ '.+']?\ ?(.*)", grant[0])
         if res is None:
             module.fail_json(msg="unable to parse the MySQL grant string")
         privileges = res.group(1).split(", ")
         privileges = ['ALL' if x=='ALL PRIVILEGES' else x for x in privileges]
+        if res.group(3) == "WITH GRANT OPTION":
+          privileges.append('GRANT')
         db = res.group(2).replace('`', '')
         output[db] = privileges
     return output
@@ -205,8 +207,12 @@ def privileges_revoke(cursor, user,host,db_table):
     cursor.execute(query)
 
 def privileges_grant(cursor, user,host,db_table,priv):
-    priv_string = ",".join(priv)
+
+    priv_string = ",".join(filter(lambda x: x != 'GRANT', priv))
     query = "GRANT %s ON %s TO '%s'@'%s'" % (priv_string,db_table,user,host)
+    if 'GRANT' in priv:
+      query = query + " WITH GRANT OPTION"
+    
     cursor.execute(query)
 
 def load_mycnf():