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Refactor nxos_interface and add unit test (#24008)

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* [WIP] Refactor nxos_interface

Signed-off-by: Trishna Guha <trishnaguha17@gmail.com>

* Modification in refactor
Unittest for nxos_interface
This commit is contained in:
Trishna Guha 2017-04-27 21:19:10 +05:30 committed by GitHub
parent 689b93bf14
commit 2741907cba
2 changed files with 154 additions and 143 deletions
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111
lib/ansible/modules/network/nxos/nxos_interface.py
View file

@ -16,9 +16,11 @@
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
#
ANSIBLE_METADATA = {'metadata_version': '1.0',
ANSIBLE_METADATA = {
'metadata_version': '1.0',
'status': ['preview'],
'supported_by': 'community'}
'supported_by': 'community'
}
DOCUMENTATION = '''
@ -135,35 +137,11 @@ EXAMPLES = '''
'''
RETURN = '''
proposed:
description: k/v pairs of parameters passed into module
returned: always
type: dict
sample: {"admin_state": "down"}
existing:
description: k/v pairs of existing switchport
returned: always
type: dict
sample: {"admin_state": "up", "description": "None",
"interface": "port-channel101", "mode": "layer2",
"type": "portchannel", "ip_forward": "enable"}
end_state:
description: k/v pairs of switchport after module execution
returned: always
type: dict
sample: {"admin_state": "down", "description": "None",
"interface": "port-channel101", "mode": "layer2",
"type": "portchannel", "ip_forward": "enable"}
updates:
commands:
description: command list sent to the device
returned: always
type: list
sample: ["interface port-channel101", "shutdown"]
changed:
description: check to see if a change was made on the device
returned: always
type: boolean
sample: true
'''
from ansible.module_utils.nxos import get_config, load_config, run_commands
@ -183,11 +161,10 @@ def is_default_interface(interface, module):
False: if it does not have a default config
DNE (str): if the interface does not exist - loopbacks, SVIs, etc.
"""
command = 'show run interface ' + interface
command = 'show run interface {0}'.format(interface)
try:
body = execute_show_command(command, module,
command_type='cli_show_ascii')[0]
body = execute_show_command(command, module)[0]
except IndexError:
body = ''
@ -242,10 +219,10 @@ def get_manual_interface_attributes(interface, module):
"""
if get_interface_type(interface) == 'svi':
command = 'show interface ' + interface
command = 'show interface {0}'.format(interface)
try:
body = execute_modified_show_for_cli_text(command, module)[0]
except (IndexError, ShellError):
body = execute_show_command(command, module)[0]
except IndexError:
return None
command_list = body.split('\n')
@ -299,7 +276,7 @@ def get_interface(intf, module):
key_map = {}
interface = {}
command = 'show interface ' + intf
command = 'show interface {0}'.format(intf)
try:
body = execute_show_command(command, module)[0]
except IndexError:
@ -328,9 +305,8 @@ def get_interface(intf, module):
'nxapibug'))
interface['description'] = str(attributes.get('description',
'nxapi_bug'))
command = 'show run interface ' + intf
body = execute_show_command(command, module,
command_type='cli_show_ascii')[0]
command = 'show run interface {0}'.format(intf)
body = execute_show_command(command, module)[0]
if 'ip forward' in body:
interface['ip_forward'] = 'enable'
else:
@ -521,12 +497,13 @@ def get_interface_config_commands(interface, intf, existing):
commands.append('no fabric forwarding mode anycast-gateway')
if commands:
commands.insert(0, 'interface ' + intf)
commands.insert(0, 'interface {0}'.format(intf))
return commands
def get_admin_state(interface, intf, admin_state):
command = ''
if admin_state == 'up':
command = 'no shutdown'
elif admin_state == 'down':
@ -568,24 +545,11 @@ def smart_existing(module, intf_type, normalized_interface):
return existing, is_default
def execute_show_command(command, module, command_type='cli_show'):
def execute_show_command(command, module):
if module.params['transport'] == 'cli':
command += ' | json'
cmds = [command]
body = run_commands(module, cmds)
elif module.params['transport'] == 'nxapi':
cmds = [{'command': command, 'output': 'json'}]
body = run_commands(module, cmds)
return body
def execute_modified_show_for_cli_text(command, module):
cmds = [command]
if module.params['transport'] == 'cli':
body = run_commands(module, cmds)
else:
body = run_commands(module, cmds)
body = response
return body
@ -616,12 +580,10 @@ def main():
admin_state=dict(default='up', choices=['up', 'down'], required=False),
description=dict(required=False, default=None),
mode=dict(choices=['layer2', 'layer3'], required=False),
interface_type=dict(required=False,
choices=['loopback', 'portchannel', 'svi', 'nve']),
interface_type=dict(required=False, choices=['loopback', 'portchannel', 'svi', 'nve']),
ip_forward=dict(required=False, choices=['enable', 'disable']),
fabric_forwarding_anycast_gateway=dict(required=False, type='bool'),
state=dict(choices=['absent', 'present', 'default'],
default='present', required=False),
state=dict(choices=['absent', 'present', 'default'], default='present', required=False),
include_defaults=dict(default=True),
config=dict(),
save=dict(type='bool', default=False)
@ -636,6 +598,8 @@ def main():
warnings = list()
check_args(module, warnings)
results = dict(changed=False, warnings=warnings)
interface = module.params['interface']
interface_type = module.params['interface_type']
admin_state = module.params['admin_state']
@ -658,8 +622,7 @@ def main():
module.fail_json(msg='description and mode params are not '
'supported in this module. Use '
'nxos_vxlan_vtep instead.')
if ((ip_forward or fabric_forwarding_anycast_gateway) and
intf_type != 'svi'):
if (ip_forward or fabric_forwarding_anycast_gateway) and intf_type != 'svi':
module.fail_json(msg='The ip_forward and '
'fabric_forwarding_anycast_gateway features '
' are only available for SVIs.')
@ -668,8 +631,7 @@ def main():
fabric_forwarding_anycast_gateway=fabric_forwarding_anycast_gateway)
if intf_type == 'unknown':
module.fail_json(
msg='unknown interface type found-1',
module.fail_json(msg='unknown interface type found-1',
interface=interface)
existing, is_default = smart_existing(module, intf_type, normalized_interface)
@ -678,7 +640,6 @@ def main():
intf_type = normalized_interface = interface_type
proposed = dict(interface_type=interface_type)
changed = False
commands = []
if interface:
delta = dict()
@ -694,29 +655,22 @@ def main():
commands.append(cmds)
elif state == 'present':
if not existing:
cmds = get_interface_config_commands(proposed,
normalized_interface,
existing)
cmds = get_interface_config_commands(proposed, normalized_interface, existing)
commands.append(cmds)
else:
delta = dict(set(proposed.items()).difference(
existing.items()))
delta = dict(set(proposed.items()).difference(existing.items()))
if delta:
cmds = get_interface_config_commands(delta,
normalized_interface,
existing)
cmds = get_interface_config_commands(delta, normalized_interface, existing)
commands.append(cmds)
elif state == 'default':
if is_default is False:
cmds = ['default interface {0}'.format(normalized_interface)]
commands.append(cmds)
elif is_default == 'DNE':
module.exit_json(msg='interface you are trying to default does'
' not exist')
module.exit_json(msg='interface you are trying to default does not exist')
elif interface_type:
if state == 'present':
module.fail_json(msg='The interface_type param can be used '
'only with state absent.')
module.fail_json(msg='The interface_type param can be used only with state absent.')
existing = get_interfaces_dict(module)[interface_type]
cmds = get_interface_type_removed_cmds(existing)
@ -730,7 +684,7 @@ def main():
module.exit_json(changed=True, commands=cmds)
else:
load_config(module, cmds)
changed = True
results['changed'] = True
if module.params['interface']:
if delta.get('mode'): # or delta.get('admin_state'):
# if the mode changes from L2 to L3, the admin state
@ -748,17 +702,10 @@ def main():
end_state = get_interfaces_dict(module)[interface_type]
cmds = [cmd for cmd in cmds if cmd != 'configure']
results = {}
results['proposed'] = proposed
results['existing'] = existing
results['end_state'] = end_state
results['updates'] = cmds
results['changed'] = changed
results['warnings'] = warnings
results['commands'] = cmds
module.exit_json(**results)
if __name__ == '__main__':
main()

64
test/units/modules/network/nxos/test_nxos_interface.py Normal file
View file

@ -0,0 +1,64 @@
# (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.nxos import nxos_interface
from .nxos_module import TestNxosModule, load_fixture, set_module_args
class TestNxosInterfaceModule(TestNxosModule):
module = nxos_interface
def setUp(self):
self.mock_run_commands = patch('ansible.modules.network.nxos.nxos_interface.run_commands')
self.run_commands = self.mock_run_commands.start()
self.mock_load_config = patch('ansible.modules.network.nxos.nxos_interface.load_config')
self.load_config = self.mock_load_config.start()
self.mock_get_config = patch('ansible.modules.network.nxos.nxos_interface.get_config')
self.get_config = self.mock_get_config.start()
def tearDown(self):
self.mock_run_commands.stop()
self.mock_load_config.stop()
self.mock_get_config.stop()
def load_fixtures(self, commands=None):
self.load_config.return_value = None
def test_nxos_interface_up(self):
set_module_args(dict(interface='loopback0'))
result = self.execute_module(changed=True)
self.assertEqual(result['commands'], ['interface loopback0', 'no shutdown'])
def test_nxos_interface_down(self):
set_module_args(dict(interface='loopback0', admin_state='down'))
result = self.execute_module(changed=True)
self.assertEqual(result['commands'], ['interface loopback0', 'shutdown'])
def test_nxos_interface_delete(self):
set_module_args(dict(interface='loopback0', state='absent'))
result = self.execute_module(changed=False)
self.assertEqual(result['commands'], [])