Add more modes to the mysql_replication module

Fixes #979

database/mysql/mysql_replication.py

@@ -42,6 +42,8 @@ options:
             - changemaster
             - stopslave
             - startslave
+            - resetslave
+            - resetslaveall
         default: getslave
     login_user:
         description:
@@ -165,6 +167,24 @@ def stop_slave(cursor):
     return stopped
 
 
+def reset_slave(cursor):
+    try:
+        cursor.execute("RESET SLAVE")
+        reset = True
+    except:
+        reset = False
+    return reset
+
+
+def reset_slave_all(cursor):
+    try:
+        cursor.execute("RESET SLAVE ALL")
+        reset = True
+    except:
+        reset = False
+    return reset
+
+
 def start_slave(cursor):
     try:
         cursor.execute("START SLAVE")
@@ -400,6 +420,18 @@ def main():
             module.exit_json(msg="Slave stopped", changed=True)
         else:
             module.exit_json(msg="Slave already stopped", changed=False)
+    elif mode in "resetslave":
+        reset = reset_slave(cursor)
+        if reset is True:
+            module.exit_json(msg="Slave reset", changed=True)
+        else:
+            module.exit_json(msg="Slave already reset", changed=False)
+    elif mode in "resetslaveall":
+        reset = reset_slave_all(cursor)
+        if reset is True:
+            module.exit_json(msg="Slave reset", changed=True)
+        else:
+            module.exit_json(msg="Slave already reset", changed=False)
 
 # import module snippets
 from ansible.module_utils.basic import *