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community.general/test/units/modules/network/nxos/test_nxos_vlan.py
Chris Van Heuveln 6bb13bbb84 nxos_vlan: fix broken purge behavior (issue #57101) (#57229)
* nxos_vlan: fix broken purge behavior (issue #57101)

Symptoms/Analysis:
- `nxos_vlan` `purge: true` would fail when `purge` was trying to delete all unspecified vlans, including vlan 1.
- `nxos` devices do not allow removing vlan 1 and raise a cli exception error
- Previous fix #55144 caused a side effect when `purge` was used: vlan changes specified by `aggregate` were ignored; e.g.
 - vlan 4 is not present; playbook specifies `aggregate: { vlan: 4 }, purge: true`
 - results in proper purging but vlan 4 is not created

Solutions:
- ignore vlan 1 when purging
- remove the `not purge` check from state present logic

Added additional unit tests and integration tests.
Tested against all regression platforms.

* PEP fixes

* Add agg_show_vlan_brief.txt fixture

* Add warning for removing vlan 1

* change method name check
2019-06-04 09:14:09 +05:30

181 lines
6.6 KiB
Python

# (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 units.compat.mock import patch
from ansible.modules.network.nxos import nxos_vlan
from .nxos_module import TestNxosModule, load_fixture, set_module_args
class TestNxosVlanModule(TestNxosModule):
module = nxos_vlan
def setUp(self):
super(TestNxosVlanModule, self).setUp()
self.mock_run_commands = patch('ansible.modules.network.nxos.nxos_vlan.run_commands')
self.run_commands = self.mock_run_commands.start()
self.mock_load_config = patch('ansible.modules.network.nxos.nxos_vlan.load_config')
self.load_config = self.mock_load_config.start()
self.mock_get_config = patch('ansible.modules.network.nxos.nxos_vlan.get_config')
self.get_config = self.mock_get_config.start()
self.mock_get_capabilities = patch('ansible.modules.network.nxos.nxos_vlan.get_capabilities')
self.get_capabilities = self.mock_get_capabilities.start()
self.get_capabilities.return_value = {'device_info': {'network_os_platform': 'N9K-9000v'}, 'network_api': 'cliconf'}
def tearDown(self):
super(TestNxosVlanModule, self).tearDown()
self.mock_run_commands.stop()
self.mock_load_config.stop()
self.mock_get_config.stop()
self.mock_get_capabilities.stop()
def load_fixtures(self, commands=None, device=''):
def load_from_file(*args, **kwargs):
module, commands = args
output = list()
for item in commands:
try:
obj = json.loads(item)
command = obj['command']
except ValueError:
command = item
filename = '%s.txt' % str(command).split(' | ')[0].replace(' ', '_')
output.append(load_fixture('nxos_vlan', filename))
return output
def agg_load_from_file(*args, **kwargs):
"""Load vlan output for aggregate/purge tests"""
return([load_fixture('nxos_vlan', 'agg_show_vlan_brief.txt')])
if '_agg_' in self._testMethodName:
self.run_commands.side_effect = agg_load_from_file
else:
self.run_commands.side_effect = load_from_file
self.load_config.return_value = None
self.get_config.return_value = load_fixture('nxos_vlan', 'config.cfg')
def test_nxos_vlan_agg_1(self):
# Aggregate: vlan 4/5 exist -> Add 6
set_module_args(dict(aggregate=[
{'name': '_5_', 'vlan_id': 5},
{'name': '_6_', 'vlan_id': 6}
]))
self.execute_module(changed=True, commands=[
'vlan 6',
'name _6_',
'state active',
'no shutdown',
'exit'
])
def test_nxos_vlan_agg_2(self):
# Aggregate: vlan 4/5 exist -> Add none (idempotence)
set_module_args(dict(aggregate=[
{'name': '_5_', 'vlan_id': 5},
{'name': '_4_', 'vlan_id': 4}
]))
self.execute_module(changed=False)
def test_nxos_vlan_agg_3(self):
# Aggregate/Purge: vlan 4/5 exist -> Add 6, Purge 4
set_module_args(dict(aggregate=[
{'name': '_5_', 'vlan_id': 5},
{'name': '_6_', 'vlan_id': 6}
], purge=True))
self.execute_module(changed=True, commands=[
'vlan 6',
'name _6_',
'state active',
'no shutdown',
'exit',
'no vlan 4'
])
def test_nxos_vlan_agg_4(self):
# Aggregate/Purge: vlan 4/5 exist -> Purge None (idempotence)
set_module_args(dict(aggregate=[
{'name': '_5_', 'vlan_id': 5},
{'name': '_4_', 'vlan_id': 4}
]))
self.execute_module(changed=False)
def test_nxos_vlan_agg_5(self):
# Purge with Single Vlan: vlan 4/5 exist -> Add 6, Purge 4/5
set_module_args(dict(vlan_id=6, name='_6_', purge=True))
self.execute_module(changed=True, commands=[
'vlan 6',
'name _6_',
'state active',
'no shutdown',
'exit',
'no vlan 4',
'no vlan 5'
])
def test_nxos_vlan_agg_6(self):
# Purge All: vlan 4/5 exist -> Purge 4/5
set_module_args(dict(vlan_id=1, purge=True))
self.execute_module(changed=True, commands=[
'no vlan 4',
'no vlan 5'
])
def test_nxos_vlan_range(self):
set_module_args(dict(vlan_range='6-10'))
self.execute_module(changed=True, commands=['vlan 6', 'vlan 7', 'vlan 8', 'vlan 9', 'vlan 10'])
def test_nxos_vlan_range_absent(self):
set_module_args(dict(vlan_range='1-5', state='absent'))
result = self.execute_module(changed=True)
self.assertEqual(result['commands'], ['no vlan 1'])
def test_nxos_vlan_id(self):
set_module_args(dict(vlan_id='15', state='present'))
result = self.execute_module(changed=True)
self.assertEqual(result['commands'], ['vlan 15', 'state active', 'no shutdown', 'exit'])
def test_nxos_vlan_id_absent(self):
set_module_args(dict(vlan_id='1', state='absent'))
result = self.execute_module(changed=True)
self.assertEqual(result['commands'], ['no vlan 1'])
def test_nxos_vlan_named_vlan(self):
set_module_args(dict(vlan_id='15', name='WEB'))
result = self.execute_module(changed=True)
self.assertEqual(result['commands'], ['vlan 15', 'name WEB', 'state active', 'no shutdown', 'exit'])
def test_nxos_vlan_shut_down(self):
set_module_args(dict(vlan_id='1', admin_state='down'))
result = self.execute_module(changed=True)
self.assertEqual(result['commands'], ['vlan 1', 'shutdown', 'exit'])
def test_nxos_vlan_no_change(self):
set_module_args(dict(vlan_id='1', name='default', vlan_state='active', admin_state='up'))
result = self.execute_module(changed=False)
self.assertEqual(result['commands'], [])