335 lines
10 KiB
Python
335 lines
10 KiB
Python
#!/usr/bin/python
|
|
# -*- coding: utf-8 -*-
|
|
|
|
# (c) 2017, Ansible by Red Hat, inc
|
|
# 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': 'network'}
|
|
|
|
DOCUMENTATION = """
|
|
---
|
|
module: ios_vlan
|
|
version_added: "2.5"
|
|
author: "Trishna Guha (@trishnaguha)"
|
|
short_description: Manage VLANs on IOS network devices
|
|
description:
|
|
- This module provides declarative management of VLANs
|
|
on Cisco IOS network devices.
|
|
notes:
|
|
- Tested against IOS 15.2
|
|
options:
|
|
name:
|
|
description:
|
|
- Name of the VLAN.
|
|
vlan_id:
|
|
description:
|
|
- ID of the VLAN. Range 1-4094.
|
|
required: true
|
|
interfaces:
|
|
description:
|
|
- List of interfaces that should be associated to the VLAN.
|
|
required: true
|
|
associated_interfaces:
|
|
description:
|
|
- This is a intent option and checks the operational state of the for given vlan C(name)
|
|
for associated interfaces. If the value in the C(associated_interfaces) does not match with
|
|
the operational state of vlan interfaces on device it will result in failure.
|
|
version_added: "2.5"
|
|
delay:
|
|
description:
|
|
- Delay the play should wait to check for declarative intent params values.
|
|
default: 10
|
|
aggregate:
|
|
description: List of VLANs definitions.
|
|
purge:
|
|
description:
|
|
- Purge VLANs not defined in the I(aggregate) parameter.
|
|
default: no
|
|
type: bool
|
|
state:
|
|
description:
|
|
- State of the VLAN configuration.
|
|
default: present
|
|
choices: ['present', 'absent', 'active', 'suspend']
|
|
extends_documentation_fragment: ios
|
|
"""
|
|
|
|
EXAMPLES = """
|
|
- name: Create vlan
|
|
ios_vlan:
|
|
vlan_id: 100
|
|
name: test-vlan
|
|
state: present
|
|
|
|
- name: Add interfaces to VLAN
|
|
ios_vlan:
|
|
vlan_id: 100
|
|
interfaces:
|
|
- GigabitEthernet0/0
|
|
- GigabitEthernet0/1
|
|
|
|
- name: Check if interfaces is assigned to VLAN
|
|
ios_vlan:
|
|
vlan_id: 100
|
|
associated_interfaces:
|
|
- GigabitEthernet0/0
|
|
- GigabitEthernet0/1
|
|
|
|
- name: Delete vlan
|
|
ios_vlan:
|
|
vlan_id: 100
|
|
state: absent
|
|
"""
|
|
|
|
RETURN = """
|
|
commands:
|
|
description: The list of configuration mode commands to send to the device
|
|
returned: always
|
|
type: list
|
|
sample:
|
|
- vlan 100
|
|
- name test-vlan
|
|
"""
|
|
|
|
import re
|
|
import time
|
|
|
|
from copy import deepcopy
|
|
|
|
from ansible.module_utils.basic import AnsibleModule
|
|
from ansible.module_utils.network.common.utils import remove_default_spec
|
|
from ansible.module_utils.network.ios.ios import load_config, run_commands, normalize_interface
|
|
from ansible.module_utils.network.ios.ios import ios_argument_spec, check_args
|
|
|
|
|
|
def search_obj_in_list(vlan_id, lst):
|
|
obj = list()
|
|
for o in lst:
|
|
if o['vlan_id'] == vlan_id:
|
|
return o
|
|
|
|
|
|
def map_obj_to_commands(updates, module):
|
|
commands = list()
|
|
want, have = updates
|
|
purge = module.params['purge']
|
|
|
|
for w in want:
|
|
vlan_id = w['vlan_id']
|
|
name = w['name']
|
|
interfaces = w['interfaces']
|
|
state = w['state']
|
|
|
|
obj_in_have = search_obj_in_list(vlan_id, have)
|
|
|
|
if state == 'absent':
|
|
if obj_in_have:
|
|
commands.append('no vlan {0}'.format(vlan_id))
|
|
|
|
elif state == 'present':
|
|
if not obj_in_have:
|
|
commands.append('vlan {0}'.format(vlan_id))
|
|
if name:
|
|
commands.append('name {0}'.format(name))
|
|
|
|
if interfaces:
|
|
for i in interfaces:
|
|
commands.append('interface {0}'.format(i))
|
|
commands.append('switchport mode access')
|
|
commands.append('switchport access vlan {0}'.format(vlan_id))
|
|
|
|
else:
|
|
if name:
|
|
if name != obj_in_have['name']:
|
|
commands.append('vlan {0}'.format(vlan_id))
|
|
commands.append('name {0}'.format(name))
|
|
|
|
if interfaces:
|
|
if not obj_in_have['interfaces']:
|
|
for i in interfaces:
|
|
commands.append('vlan {0}'.format(vlan_id))
|
|
commands.append('interface {0}'.format(i))
|
|
commands.append('switchport mode access')
|
|
commands.append('switchport access vlan {0}'.format(vlan_id))
|
|
|
|
elif set(interfaces) != set(obj_in_have['interfaces']):
|
|
missing_interfaces = list(set(interfaces) - set(obj_in_have['interfaces']))
|
|
for i in missing_interfaces:
|
|
commands.append('vlan {0}'.format(vlan_id))
|
|
commands.append('interface {0}'.format(i))
|
|
commands.append('switchport mode access')
|
|
commands.append('switchport access vlan {0}'.format(vlan_id))
|
|
|
|
superfluous_interfaces = list(set(obj_in_have['interfaces']) - set(interfaces))
|
|
for i in superfluous_interfaces:
|
|
commands.append('vlan {0}'.format(vlan_id))
|
|
commands.append('interface {0}'.format(i))
|
|
commands.append('switchport mode access')
|
|
commands.append('no switchport access vlan {0}'.format(vlan_id))
|
|
else:
|
|
commands.append('vlan {0}'.format(vlan_id))
|
|
if name:
|
|
commands.append('name {0}'.format(name))
|
|
commands.append('state {0}'.format(state))
|
|
|
|
if purge:
|
|
for h in have:
|
|
obj_in_want = search_obj_in_list(h['vlan_id'], want)
|
|
if not obj_in_want and h['vlan_id'] != '1':
|
|
commands.append('no vlan {0}'.format(h['vlan_id']))
|
|
|
|
return commands
|
|
|
|
|
|
def map_params_to_obj(module):
|
|
obj = []
|
|
aggregate = module.params.get('aggregate')
|
|
if aggregate:
|
|
for item in aggregate:
|
|
for key in item:
|
|
if item.get(key) is None:
|
|
item[key] = module.params[key]
|
|
|
|
d = item.copy()
|
|
d['vlan_id'] = str(d['vlan_id'])
|
|
|
|
obj.append(d)
|
|
else:
|
|
obj.append({
|
|
'vlan_id': str(module.params['vlan_id']),
|
|
'name': module.params['name'],
|
|
'interfaces': module.params['interfaces'],
|
|
'associated_interfaces': module.params['associated_interfaces'],
|
|
'state': module.params['state']
|
|
})
|
|
|
|
return obj
|
|
|
|
|
|
def parse_to_logical_rows(out):
|
|
started_yielding = False
|
|
cur_row = []
|
|
for l in out.splitlines()[2:]:
|
|
if not l:
|
|
"""Skip empty lines."""
|
|
continue
|
|
if '0' < l[0] <= '9':
|
|
"""Line starting with a number."""
|
|
if started_yielding:
|
|
yield cur_row
|
|
cur_row = [] # Reset it to hold a next chunk
|
|
started_yielding = True
|
|
cur_row.append(l)
|
|
|
|
# Return the rest of it:
|
|
yield cur_row
|
|
|
|
|
|
def map_ports_str_to_list(ports_str):
|
|
return list(filter(bool, (normalize_interface(p.strip()) for p in ports_str.split(', '))))
|
|
|
|
|
|
def parse_to_obj(logical_rows):
|
|
first_row = logical_rows[0]
|
|
rest_rows = logical_rows[1:]
|
|
obj = re.match(r'(?P<vlan_id>\d+)\s+(?P<name>[^\s]+)\s+(?P<state>[^\s]+)\s*(?P<interfaces>.*)', first_row).groupdict()
|
|
if obj['state'] == 'suspended':
|
|
obj['state'] = 'suspend'
|
|
obj['interfaces'] = map_ports_str_to_list(obj['interfaces'])
|
|
obj['interfaces'].extend(prts_r for prts in rest_rows for prts_r in map_ports_str_to_list(prts))
|
|
return obj
|
|
|
|
|
|
def parse_vlan_brief(vlan_out):
|
|
return [parse_to_obj(r) for r in parse_to_logical_rows(vlan_out)]
|
|
|
|
|
|
def map_config_to_obj(module):
|
|
return parse_vlan_brief(run_commands(module, ['show vlan brief'])[0])
|
|
|
|
|
|
def check_declarative_intent_params(want, module, result):
|
|
|
|
have = None
|
|
is_delay = False
|
|
|
|
for w in want:
|
|
if w.get('associated_interfaces') is None:
|
|
continue
|
|
|
|
if result['changed'] and not is_delay:
|
|
time.sleep(module.params['delay'])
|
|
is_delay = True
|
|
|
|
if have is None:
|
|
have = map_config_to_obj(module)
|
|
|
|
for i in w['associated_interfaces']:
|
|
obj_in_have = search_obj_in_list(w['vlan_id'], have)
|
|
if obj_in_have and 'interfaces' in obj_in_have and i not in obj_in_have['interfaces']:
|
|
module.fail_json(msg="Interface %s not configured on vlan %s" % (i, w['vlan_id']))
|
|
|
|
|
|
def main():
|
|
""" main entry point for module execution
|
|
"""
|
|
element_spec = dict(
|
|
vlan_id=dict(type='int'),
|
|
name=dict(),
|
|
interfaces=dict(type='list'),
|
|
associated_interfaces=dict(type='list'),
|
|
delay=dict(default=10, type='int'),
|
|
state=dict(default='present',
|
|
choices=['present', 'absent', 'active', 'suspend'])
|
|
)
|
|
|
|
aggregate_spec = deepcopy(element_spec)
|
|
aggregate_spec['vlan_id'] = dict(required=True)
|
|
|
|
# remove default in aggregate spec, to handle common arguments
|
|
remove_default_spec(aggregate_spec)
|
|
|
|
argument_spec = dict(
|
|
aggregate=dict(type='list', elements='dict', options=aggregate_spec),
|
|
purge=dict(default=False, type='bool')
|
|
)
|
|
|
|
argument_spec.update(element_spec)
|
|
argument_spec.update(ios_argument_spec)
|
|
|
|
required_one_of = [['vlan_id', 'aggregate']]
|
|
mutually_exclusive = [['vlan_id', 'aggregate']]
|
|
|
|
module = AnsibleModule(argument_spec=argument_spec,
|
|
required_one_of=required_one_of,
|
|
mutually_exclusive=mutually_exclusive,
|
|
supports_check_mode=True)
|
|
warnings = list()
|
|
result = {'changed': False}
|
|
if warnings:
|
|
result['warnings'] = warnings
|
|
|
|
want = map_params_to_obj(module)
|
|
have = map_config_to_obj(module)
|
|
commands = map_obj_to_commands((want, have), module)
|
|
result['commands'] = commands
|
|
|
|
if commands:
|
|
if not module.check_mode:
|
|
load_config(module, commands)
|
|
result['changed'] = True
|
|
|
|
check_declarative_intent_params(want, module, result)
|
|
|
|
module.exit_json(**result)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main()
|