fixes a number of issues with nxos_facts (#22923)

* updates command runs to return warning if command fails
* fixes variable issues from recent refactoring
* removes provider from return of module
(cherry picked from commit 866f67e213)

lib/ansible/module_utils/nxos.py

@@ -50,7 +50,7 @@ nxos_argument_spec = {
     'validate_certs': dict(type='bool'),
     'timeout': dict(type='int'),
 
-    'provider': dict(type='dict', no_log=True),
+    'provider': dict(type='dict'),
     'transport': dict(choices=['cli', 'nxapi'])
 }
 

lib/ansible/modules/network/nxos/nxos_facts.py

@@ -203,7 +203,7 @@ class FactsBase(object):
         try:
             return resp[0]
         except IndexError:
-            self.warnings.append('command %s returned to data, facts will not be populated' % command_string)
+            self.warnings.append('command %s failed, facts will not be populated' % command_string)
             return None
 
     def transform_dict(self, data, keymap):
@@ -290,7 +290,7 @@ class Interfaces(FactsBase):
         if data:
             self.facts['interfaces'] = self.populate_interfaces(data)
 
-        data = self.run('show ipv6 inteface', 'json')
+        data = self.run('show ipv6 interface', 'json')
         if data:
             self.parse_ipv6_interfaces(data)
 
@@ -315,6 +315,11 @@ class Interfaces(FactsBase):
         return interfaces
 
     def populate_neighbors(self, data):
+        # if there are no neighbors the show command returns
+        # ERROR: No neighbour information
+        if data.startswith('ERROR'):
+            return dict()
+
         data = data['TABLE_nbor']['ROW_nbor']
         if isinstance(data, dict):
             data = [data]

lib/ansible/plugins/action/nxos.py

@@ -56,6 +56,7 @@ class ActionModule(_ActionModule):
             pc = copy.deepcopy(self._play_context)
             pc.connection = 'network_cli'
             pc.network_os = 'nxos'
+            pc.remote_addr = provider['host'] or self._play_context.remote_addr
             pc.port = provider['port'] or self._play_context.port or 22
             pc.remote_user = provider['username'] or self._play_context.connection_user
             pc.password = provider['password'] or self._play_context.password
@@ -114,7 +115,10 @@ class ActionModule(_ActionModule):
         # make sure a transport value is set in args
         self._task.args['transport'] = transport
 
-        return super(ActionModule, self).run(tmp, task_vars)
+        result = super(ActionModule, self).run(tmp, task_vars)
+        del result['invocation']['module_args']['provider']
+
+        return result
 
     def _get_socket_path(self, play_context):
         ssh = connection_loader.get('ssh', class_only=True)