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community.general/plugins/modules/network/onyx/onyx_lldp_interface.py

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2020-03-09 10:11:07 +01:00
#!/usr/bin/python
#
# Copyright: Ansible Project
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
from __future__ import absolute_import, division, print_function
__metaclass__ = type
ANSIBLE_METADATA = {'metadata_version': '1.1',
'status': ['preview'],
'supported_by': 'community'}
DOCUMENTATION = '''
---
module: onyx_lldp_interface
author: "Samer Deeb (@samerd)"
short_description: Manage LLDP interfaces configuration on Mellanox ONYX network devices
description:
- This module provides declarative management of LLDP interfaces
configuration on Mellanox ONYX network devices.
options:
name:
description:
- Name of the interface LLDP should be configured on.
aggregate:
description: List of interfaces LLDP should be configured on.
purge:
description:
- Purge interfaces not defined in the aggregate parameter.
type: bool
default: false
state:
description:
- State of the LLDP configuration.
default: present
choices: ['present', 'absent', 'enabled', 'disabled']
'''
EXAMPLES = """
- name: Configure LLDP on specific interfaces
onyx_lldp_interface:
name: Eth1/1
state: present
- name: Disable LLDP on specific interfaces
onyx_lldp_interface:
name: Eth1/1
state: disabled
- name: Enable LLDP on specific interfaces
onyx_lldp_interface:
name: Eth1/1
state: enabled
- name: Delete LLDP on specific interfaces
onyx_lldp_interface:
name: Eth1/1
state: absent
- name: Create aggregate of LLDP interface configurations
onyx_lldp_interface:
aggregate:
- { name: Eth1/1 }
- { name: Eth1/2 }
state: present
- name: Delete aggregate of LLDP interface configurations
onyx_lldp_interface:
aggregate:
- { name: Eth1/1 }
- { name: Eth1/2 }
state: absent
"""
RETURN = """
commands:
description: The list of configuration mode commands to send to the device
returned: always.
type: list
sample:
- interface ethernet 1/1 lldp transmit
- interface ethernet 1/1 lldp receive
"""
import re
from copy import deepcopy
from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils.six import iteritems
from ansible_collections.ansible.netcommon.plugins.module_utils.network.common.utils import remove_default_spec
from ansible_collections.community.general.plugins.module_utils.network.onyx.onyx import BaseOnyxModule
from ansible_collections.community.general.plugins.module_utils.network.onyx.onyx import show_cmd
class OnyxLldpInterfaceModule(BaseOnyxModule):
IF_NAME_REGEX = re.compile(r"^(Eth\d+\/\d+|Eth\d+\/\d+\d+)$")
_purge = False
@classmethod
def _get_element_spec(cls):
return dict(
name=dict(type='str'),
state=dict(default='present',
choices=['present', 'absent', 'enabled', 'disabled']),
)
@classmethod
def _get_aggregate_spec(cls, element_spec):
aggregate_spec = deepcopy(element_spec)
aggregate_spec['name'] = dict(required=True)
# remove default in aggregate spec, to handle common arguments
remove_default_spec(aggregate_spec)
return aggregate_spec
def init_module(self):
""" module initialization
"""
element_spec = self._get_element_spec()
aggregate_spec = self._get_aggregate_spec(element_spec)
argument_spec = dict(
aggregate=dict(type='list', elements='dict',
options=aggregate_spec),
purge=dict(default=False, type='bool'),
)
argument_spec.update(element_spec)
required_one_of = [['name', 'aggregate']]
mutually_exclusive = [['name', 'aggregate']]
self._module = AnsibleModule(
argument_spec=argument_spec,
required_one_of=required_one_of,
mutually_exclusive=mutually_exclusive,
supports_check_mode=True)
def get_required_config(self):
self._required_config = list()
module_params = self._module.params
aggregate = module_params.get('aggregate')
self._purge = module_params.get('purge', False)
if aggregate:
for item in aggregate:
for key in item:
if item.get(key) is None:
item[key] = module_params[key]
self.validate_param_values(item, item)
req_item = item.copy()
self._required_config.append(req_item)
else:
params = {
'name': module_params['name'],
'state': module_params['state'],
}
self.validate_param_values(params)
self._required_config.append(params)
def _create_if_lldp_data(self, if_name, if_lldp_data):
return {
'name': if_name,
'receive': self.get_config_attr(if_lldp_data, 'Receive'),
'transmit': self.get_config_attr(if_lldp_data, 'Transmit'),
}
def _get_lldp_config(self):
return show_cmd(self._module, "show lldp interfaces")
def load_current_config(self):
# called in base class in run function
self._current_config = dict()
lldp_config = self._get_lldp_config()
if not lldp_config:
return
for if_name, if_lldp_data in iteritems(lldp_config):
match = self.IF_NAME_REGEX.match(if_name)
if not match:
continue
if if_lldp_data:
if_lldp_data = if_lldp_data[0]
self._current_config[if_name] = \
self._create_if_lldp_data(if_name, if_lldp_data)
def _get_interface_cmd_name(self, if_name):
return if_name.replace("Eth", "ethernet ")
def _add_if_lldp_commands(self, if_name, flag, enable):
cmd_prefix = "interface %s " % self._get_interface_cmd_name(if_name)
lldp_cmd = "lldp %s" % flag
if not enable:
lldp_cmd = 'no %s' % lldp_cmd
self._commands.append(cmd_prefix + lldp_cmd)
def _gen_lldp_commands(self, if_name, req_state, curr_conf):
curr_receive = curr_conf.get('receive')
curr_transmit = curr_conf.get('transmit')
enable = (req_state == 'Enabled')
if curr_receive != req_state:
flag = 'receive'
self._add_if_lldp_commands(if_name, flag, enable)
if curr_transmit != req_state:
flag = 'transmit'
self._add_if_lldp_commands(if_name, flag, enable)
def generate_commands(self):
req_interfaces = set()
for req_conf in self._required_config:
state = req_conf['state']
if_name = req_conf['name']
if state in ('absent', 'disabled'):
req_state = 'Disabled'
else:
req_interfaces.add(if_name)
req_state = 'Enabled'
curr_conf = self._current_config.get(if_name, {})
self._gen_lldp_commands(if_name, req_state, curr_conf)
if self._purge:
for if_name, curr_conf in iteritems(self._current_config):
if if_name not in req_interfaces:
req_state = 'Disabled'
self._gen_lldp_commands(if_name, req_state, curr_conf)
def main():
""" main entry point for module execution
"""
OnyxLldpInterfaceModule.main()
if __name__ == '__main__':
main()