fix drain mode 'bool' (#30833) (#46478)

lib/ansible/modules/net_tools/haproxy.py

@@ -233,7 +233,7 @@ class HAProxy(object):
         self.wait = self.module.params['wait']
         self.wait_retries = self.module.params['wait_retries']
         self.wait_interval = self.module.params['wait_interval']
-        self.drain = self.module.params['drain']
+        self._drain = self.module.params['drain']
         self.command_results = {}
 
     def execute(self, cmd, timeout=200, capture_output=True):
@@ -310,7 +310,8 @@ class HAProxy(object):
             # Fail when backends were not found
             state = self.get_state_for(backend, svname)
             if (self.fail_on_not_found) and state is None:
-                self.module.fail_json(msg="The specified backend '%s/%s' was not found!" % (backend, svname))
+                self.module.fail_json(
+                    msg="The specified backend '%s/%s' was not found!" % (backend, svname))
 
             if state is not None:
                 self.execute(Template(cmd).substitute(pxname=backend, svname=svname))
@@ -327,7 +328,8 @@ class HAProxy(object):
         state = tuple(
             map(
                 lambda d: {'status': d['status'], 'weight': d['weight'], 'scur': d['scur']},
-                filter(lambda d: (pxname is None or d['pxname'] == pxname) and d['svname'] == svname, r)
+                filter(lambda d: (pxname is None or d['pxname']
+                                  == pxname) and d['svname'] == svname, r)
             )
         )
         return state or None
@@ -344,12 +346,13 @@ class HAProxy(object):
 
             # We can assume there will only be 1 element in state because both svname and pxname are always set when we get here
             if state[0]['status'] == status:
-                if not self.drain or (state[0]['scur'] == '0' and state == 'MAINT'):
+                if not self._drain or (state[0]['scur'] == '0' and state == 'MAINT'):
                     return True
             else:
                 time.sleep(self.wait_interval)
 
-        self.module.fail_json(msg="server %s/%s not status '%s' after %d retries. Aborting." % (pxname, svname, status, self.wait_retries))
+        self.module.fail_json(msg="server %s/%s not status '%s' after %d retries. Aborting." %
+                              (pxname, svname, status, self.wait_retries))
 
     def enabled(self, host, backend, weight):
         """
@@ -397,7 +400,7 @@ class HAProxy(object):
         # toggle enable/disbale server
         if self.state == 'enabled':
             self.enabled(self.host, self.backend, self.weight)
-        elif self.state == 'disabled' and self.drain:
+        elif self.state == 'disabled' and self._drain:
             self.drain(self.host, self.backend, status='MAINT')
         elif self.state == 'disabled':
             self.disabled(self.host, self.backend, self.shutdown_sessions)