Add ethernet-link-oam mapping to nxos_feature (#4956)

* Add ethernet-link-oam mapping

* Adding port-secutiry mapping

* Fixing command output format

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

@@ -813,6 +813,19 @@ def execute_show(cmds, module, command_type=None):
         clie = get_exception()
         module.fail_json(msg='Error sending {0}'.format(cmds),
                          error=str(clie))
+    except AttributeError:
+        try:
+            if command_type:
+                command_type = command_type_map.get(command_type)
+                module.cli.add_commands(cmds, output=command_type)
+                response = module.cli.run_commands()
+            else:
+                module.cli.add_commands(cmds, raw=True)
+                response = module.cli.run_commands()
+        except ShellError:
+            clie = get_exception()
+            module.fail_json(msg='Error sending {0}'.format(cmds),
+                             error=str(clie))
     return response
 
 
@@ -908,7 +921,10 @@ def validate_feature(module, mode='show'):
                 'sla sender': 'sla_sender',
                 'ssh': 'sshServer',
                 'tacacs+': 'tacacs',
-                'telnet': 'telnetServer'},
+                'telnet': 'telnetServer',
+                'ethernet-link-oam': 'elo',
+                'port-security': 'eth_port_sec'
+                },
         'config':
                 {
                 'nve': 'nv overlay',
@@ -922,6 +938,8 @@ def validate_feature(module, mode='show'):
                 'sshServer': 'ssh',
                 'tacacs': 'tacacs+',
                 'telnetServer': 'telnet',
+                'elo': 'ethernet-link-oam',
+                'eth_port_sec': 'port-security'
                 }
         }