Add module mlnxos_lldp for supporting configuration of LLDP protocol on Mellanox switches (#34159)

* Add module mlnxos_lldp for supporting configuration of LLDP protocol on Mellanox switches

Signed-off-by: Samer Deeb <samerd@mellanox.com>

* Fix header and metadata

Signed-off-by: Samer Deeb <samerd@mellanox.com>

* Fix imports

Signed-off-by: Samer Deeb <samerd@mellanox.com>

test/units/modules/network/mlnxos/fixtures/mlnxos_lldp_show.cfg

@@ -0,0 +1,14 @@
+[
+    {
+        "LLDP": "enabled"
+    },
+    {
+        "Supported capabilities": "B,R",
+        "Chassis sub type": "Mac Address",
+        "header": "Local global configuration",
+        "System Name": "ufm-switch16",
+        "Supported capabilities enabled": "B",
+        "Chassis id": "7c:fe:90:e5:ca:00",
+        "System Description": "Mellanox MSN2700,MLNX-OS,SWv3.6.5000-04"
+    }
+]

test/units/modules/network/mlnxos/test_mlnxos_lldp.py

@@ -0,0 +1,71 @@
+#
+# (c) 2016 Red Hat Inc.
+#
+# This file is part of Ansible
+#
+# Ansible is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Ansible is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Ansible.  If not, see <http://www.gnu.org/licenses/>.
+
+# Make coding more python3-ish
+from __future__ import (absolute_import, division, print_function)
+__metaclass__ = type
+
+import json
+
+from ansible.compat.tests.mock import patch
+from ansible.modules.network.mlnxos import mlnxos_lldp
+from ansible.module_utils.network.mlnxos import mlnxos as mlnxos_utils
+from units.modules.utils import set_module_args
+from .mlnxos_module import TestMlnxosModule, load_fixture
+
+
+class TestMlnxosInterfaceModule(TestMlnxosModule):
+
+    module = mlnxos_lldp
+
+    def setUp(self):
+        super(TestMlnxosInterfaceModule, self).setUp()
+        self.mock_get_config = patch.object(
+            mlnxos_lldp.MlnxosLldpModule, "_get_lldp_config")
+        self.get_config = self.mock_get_config.start()
+
+        self.mock_load_config = patch(
+            'ansible.module_utils.network.mlnxos.mlnxos.load_config')
+        self.load_config = self.mock_load_config.start()
+
+    def tearDown(self):
+        super(TestMlnxosInterfaceModule, self).tearDown()
+        self.mock_get_config.stop()
+        self.mock_load_config.stop()
+
+    def load_fixtures(self, commands=None, transport='cli'):
+        if commands == ['lldp']:
+            self.get_config.return_value = None
+        else:
+            config_file = 'mlnxos_lldp_show.cfg'
+            self.get_config.return_value = load_fixture(config_file)
+        self.load_config.return_value = None
+
+    def test_lldp_no_change(self):
+        set_module_args(dict())
+        self.execute_module(changed=False)
+
+    def test_lldp_disable(self):
+        set_module_args(dict(state='absent'))
+        commands = ['no lldp']
+        self.execute_module(changed=True, commands=commands)
+
+    def test_lldp_enable(self):
+        set_module_args(dict(state='present'))
+        commands = ['lldp']
+        self.execute_module(changed=True, commands=commands)