Add module mlnxos_lldp_interface for managing lldp interfaces configuration (#34179)
* Add module mlnxos_lldp_interface for managing lldp interfaces configuration Signed-off-by: Samer Deeb <samerd@mellanox.com> * Fix unit test Signed-off-by: Samer Deeb <samerd@mellanox.com>
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lib/ansible/modules/network/mlnxos/mlnxos_lldp_interface.py
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lib/ansible/modules/network/mlnxos/mlnxos_lldp_interface.py
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#!/usr/bin/python
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#
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# Copyright: Ansible Project
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# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
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from __future__ import absolute_import, division, print_function
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__metaclass__ = type
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ANSIBLE_METADATA = {'metadata_version': '1.1',
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'status': ['preview'],
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'supported_by': 'community'}
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DOCUMENTATION = """
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---
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module: mlnxos_lldp_interface
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version_added: "2.5"
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author: "Samer Deeb (@samerd)"
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short_description: Manage LLDP interfaces configuration on Mellanox MLNX-OS network devices
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description:
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- This module provides declarative management of LLDP interfaces
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configuration on Mellanox MLNX-OS network devices.
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options:
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name:
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description:
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- Name of the interface LLDP should be configured on.
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aggregate:
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description: List of interfaces LLDP should be configured on.
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purge:
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description:
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- Purge interfaces not defined in the aggregate parameter.
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type: bool
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default: false
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state:
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description:
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- State of the LLDP configuration.
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default: present
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choices: ['present', 'absent', 'enabled', 'disabled']
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"""
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EXAMPLES = """
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- name: Configure LLDP on specific interfaces
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mlnxos_lldp_interface:
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name: Eth1/1
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state: present
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- name: Disable LLDP on specific interfaces
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mlnxos_lldp_interface:
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name: Eth1/1
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state: disabled
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- name: Enable LLDP on specific interfaces
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mlnxos_lldp_interface:
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name: Eth1/1
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state: enabled
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- name: Delete LLDP on specific interfaces
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mlnxos_lldp_interface:
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name: Eth1/1
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state: absent
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- name: Create aggregate of LLDP interface configurations
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mlnxos_lldp_interface:
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aggregate:
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- { name: Eth1/1 }
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- { name: Eth1/2 }
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state: present
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- name: Delete aggregate of LLDP interface configurations
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mlnxos_lldp_interface:
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aggregate:
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- { name: Eth1/1 }
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- { name: Eth1/2 }
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state: absent
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"""
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RETURN = """
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commands:
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description: The list of configuration mode commands to send to the device
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returned: always.
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type: list
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sample:
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- interface ethernet 1/1 lldp transmit
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- interface ethernet 1/1 lldp receive
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"""
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import re
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from copy import deepcopy
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from ansible.module_utils.basic import AnsibleModule
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from ansible.module_utils.six import iteritems
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from ansible.module_utils.network.common.utils import remove_default_spec
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from ansible.module_utils.network.mlnxos.mlnxos import BaseMlnxosModule
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from ansible.module_utils.network.mlnxos.mlnxos import show_cmd
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class MlnxosLldpInterfaceModule(BaseMlnxosModule):
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IF_NAME_REGEX = re.compile(r"^(Eth\d+\/\d+|Eth\d+\/\d+\d+)$")
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_purge = False
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@classmethod
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def _get_element_spec(cls):
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return dict(
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name=dict(type='str'),
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state=dict(default='present',
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choices=['present', 'absent', 'enabled', 'disabled']),
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)
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@classmethod
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def _get_aggregate_spec(cls, element_spec):
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aggregate_spec = deepcopy(element_spec)
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aggregate_spec['name'] = dict(required=True)
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# remove default in aggregate spec, to handle common arguments
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remove_default_spec(aggregate_spec)
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return aggregate_spec
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def init_module(self):
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""" module initialization
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"""
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element_spec = self._get_element_spec()
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aggregate_spec = self._get_aggregate_spec(element_spec)
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if aggregate_spec:
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argument_spec = dict(
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aggregate=dict(type='list', elements='dict',
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options=aggregate_spec),
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purge=dict(default=False, type='bool'),
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)
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else:
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argument_spec = dict()
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argument_spec.update(element_spec)
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required_one_of = [['name', 'aggregate']]
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mutually_exclusive = [['name', 'aggregate']]
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self._module = AnsibleModule(
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argument_spec=argument_spec,
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required_one_of=required_one_of,
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mutually_exclusive=mutually_exclusive,
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supports_check_mode=True)
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def get_required_config(self):
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self._required_config = list()
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module_params = self._module.params
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aggregate = module_params.get('aggregate')
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self._purge = module_params.get('purge', False)
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if aggregate:
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for item in aggregate:
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for key in item:
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if item.get(key) is None:
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item[key] = module_params[key]
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self.validate_param_values(item, item)
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req_item = item.copy()
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self._required_config.append(req_item)
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else:
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params = {
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'name': module_params['name'],
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'state': module_params['state'],
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}
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self.validate_param_values(params)
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self._required_config.append(params)
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def _create_if_lldp_data(self, if_name, if_lldp_data):
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return {
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'name': if_name,
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'receive': self.get_config_attr(if_lldp_data, 'Receive'),
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'transmit': self.get_config_attr(if_lldp_data, 'Transmit'),
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}
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def _get_lldp_config(self):
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return show_cmd(self._module, "show lldp interfaces")
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def load_current_config(self):
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# called in base class in run function
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self._current_config = dict()
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lldp_config = self._get_lldp_config()
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if not lldp_config:
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return
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for if_name, if_lldp_data in iteritems(lldp_config):
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match = self.IF_NAME_REGEX.match(if_name)
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if not match:
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continue
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if if_lldp_data:
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if_lldp_data = if_lldp_data[0]
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self._current_config[if_name] = \
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self._create_if_lldp_data(if_name, if_lldp_data)
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def _get_interface_cmd_name(self, if_name):
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return if_name.replace("Eth", "ethernet ")
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def _add_if_lldp_commands(self, if_name, flag, enable):
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cmd_prefix = "interface %s " % self._get_interface_cmd_name(if_name)
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lldp_cmd = "lldp %s" % flag
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if not enable:
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lldp_cmd = 'no %s' % lldp_cmd
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self._commands.append(cmd_prefix + lldp_cmd)
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def _gen_lldp_commands(self, if_name, req_state, curr_conf):
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curr_receive = curr_conf.get('receive')
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curr_transmit = curr_conf.get('transmit')
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enable = (req_state == 'Enabled')
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if curr_receive != req_state:
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flag = 'receive'
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self._add_if_lldp_commands(if_name, flag, enable)
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if curr_transmit != req_state:
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flag = 'transmit'
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self._add_if_lldp_commands(if_name, flag, enable)
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def generate_commands(self):
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req_interfaces = set()
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for req_conf in self._required_config:
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state = req_conf['state']
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if_name = req_conf['name']
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if state in ('absent', 'disabled'):
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req_state = 'Disabled'
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else:
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req_interfaces.add(if_name)
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req_state = 'Enabled'
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curr_conf = self._current_config.get(if_name, {})
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self._gen_lldp_commands(if_name, req_state, curr_conf)
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if self._purge:
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for if_name, curr_conf in iteritems(self._current_config):
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if if_name not in req_interfaces:
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req_state = 'Disabled'
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self._gen_lldp_commands(if_name, req_state, curr_conf)
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def main():
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""" main entry point for module execution
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"""
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MlnxosLldpInterfaceModule.main()
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if __name__ == '__main__':
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main()
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{
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"Eth1/1": [
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{
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"Receive": "Enabled",
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"Transmit": "Enabled",
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"TLVs": "PD, SN, SD, SC, MA, PFC, AP, ETS-C, ETS-R"
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}
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],
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"Eth1/2": [
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{
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"Receive": "Disabled",
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"Transmit": "Disabled",
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"TLVs": "PD, SN, SD, SC, MA, PFC, AP, ETS-C, ETS-R"
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}
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]
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}
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@ -0,0 +1,76 @@
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#
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# Copyright: Ansible Project
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# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
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# Make coding more python3-ish
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from __future__ import (absolute_import, division, print_function)
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__metaclass__ = type
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from ansible.compat.tests.mock import patch
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from ansible.modules.network.mlnxos import mlnxos_lldp_interface
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from units.modules.utils import set_module_args
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from .mlnxos_module import TestMlnxosModule, load_fixture
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class TestMlnxosLldpInterfaceModule(TestMlnxosModule):
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module = mlnxos_lldp_interface
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def setUp(self):
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super(TestMlnxosLldpInterfaceModule, self).setUp()
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self.mock_get_config = patch.object(
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mlnxos_lldp_interface.MlnxosLldpInterfaceModule,
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"_get_lldp_config")
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self.get_config = self.mock_get_config.start()
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self.mock_load_config = patch(
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'ansible.module_utils.network.mlnxos.mlnxos.load_config')
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self.load_config = self.mock_load_config.start()
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def tearDown(self):
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super(TestMlnxosLldpInterfaceModule, self).tearDown()
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self.mock_get_config.stop()
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self.mock_load_config.stop()
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def load_fixtures(self, commands=None, transport='cli'):
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config_file = 'mlnxos_lldp_interface_show.cfg'
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self.get_config.return_value = load_fixture(config_file)
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self.load_config.return_value = None
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def test_lldp_no_change(self):
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set_module_args(dict(name='Eth1/1', state='present'))
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self.execute_module(changed=False)
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def test_no_lldp_no_change(self):
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set_module_args(dict(name='Eth1/2', state='absent'))
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self.execute_module(changed=False)
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def test_no_lldp_change(self):
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set_module_args(dict(name='Eth1/2', state='present'))
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commands = ['interface ethernet 1/2 lldp receive',
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'interface ethernet 1/2 lldp transmit']
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self.execute_module(changed=True, commands=commands)
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def test_lldp_change(self):
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set_module_args(dict(name='Eth1/1', state='absent'))
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commands = ['interface ethernet 1/1 no lldp receive',
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'interface ethernet 1/1 no lldp transmit']
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self.execute_module(changed=True, commands=commands)
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def test_lldp_aggregate(self):
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aggregate = [dict(name='Eth1/1'), dict(name='Eth1/2')]
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set_module_args(dict(aggregate=aggregate, state='present'))
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commands = ['interface ethernet 1/2 lldp receive',
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'interface ethernet 1/2 lldp transmit']
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self.execute_module(changed=True, commands=commands)
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def test_lldp_aggregate_purge(self):
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aggregate = [dict(name='Eth1/3'), dict(name='Eth1/2')]
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set_module_args(dict(aggregate=aggregate, state='present', purge=True))
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commands = ['interface ethernet 1/2 lldp receive',
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'interface ethernet 1/2 lldp transmit',
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'interface ethernet 1/3 lldp receive',
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'interface ethernet 1/3 lldp transmit',
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'interface ethernet 1/1 no lldp receive',
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'interface ethernet 1/1 no lldp transmit']
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self.execute_module(changed=True, commands=commands)
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