Pluribus Networks vrouter loopback interface module with UT (#56450)

* Pluribus Networks vrouter loopback interface module with UT

* Sanity fixes
This commit is contained in:
rajaspachipulusu17 2019-05-20 12:04:05 +05:30 committed by Sumit Jaiswal
parent 7a615a9e0e
commit 8c29c78e22
2 changed files with 289 additions and 0 deletions

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#!/usr/bin/python
# Copyright: (c) 2018, Pluribus Networks
# 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: pn_vrouter_loopback_interface
author: "Pluribus Networks (@rajaspachipulusu17)"
version_added: "2.9"
short_description: CLI command to add/remove vrouter-loopback-interface
description:
- This module can be used to add loopback interface to a vRouter or
remove loopback interface from a vRouter.
options:
pn_cliswitch:
description:
- Target switch to run the CLI on.
required: false
type: str
state:
description:
- State the action to perform. Use C(present) to add vrouter-loopback-interface
and C(absent) to remove vrouter-loopback-interface.
required: false
type: str
choices: ['present', 'absent']
default: 'present'
pn_ip:
description:
- loopback IP address.
required: true
type: str
pn_index:
description:
- loopback index from 1 to 255.
required: false
type: str
pn_vrouter_name:
description:
- name of service config.
required: true
type: str
"""
EXAMPLES = """
- name: Add vrouter loopback interface
pn_vrouter_loopback_interface:
state: "present"
pn_cliswitch: "sw01"
pn_vrouter_name: "sw01-vrouter"
pn_ip: "192.168.10.1"
- name: Remove vrouter loopback interface
pn_vrouter_loopback_interface:
state: "absent"
pn_cliswitch: "sw01"
pn_vrouter_name: "sw01-vrouter"
pn_ip: "192.168.10.1"
pn_index: "2"
"""
RETURN = """
command:
description: the CLI command run on the target node.
returned: always
type: str
stdout:
description: set of responses from the vrouter-loopback-interface command.
returned: always
type: list
stderr:
description: set of error response from the vrouter-loopback-interface
command.
returned: on error
type: list
changed:
description: indicates whether the CLI caused changes on the target.
returned: always
type: bool
"""
from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils.network.netvisor.pn_nvos import pn_cli, run_cli
from ansible.module_utils.network.netvisor.netvisor import run_commands
def check_cli(module, cli):
"""
This method checks if vRouter exists on the target node.
This method also checks for idempotency using the vrouter-interface-show
command.
If the given vRouter exists, return VROUTER_EXISTS as True else False.
:param module: The Ansible module to fetch input parameters
:param cli: The CLI string
:return Booleans: VROUTER_EXISTS, INTERFACE_EXISTS
"""
vrouter_name = module.params['pn_vrouter_name']
interface_ip = module.params['pn_ip']
# Check for vRouter
check_vrouter = 'vrouter-show format name no-show-headers'
out = run_commands(module, check_vrouter)[1]
if out:
out = out.split()
VROUTER_EXISTS = True if vrouter_name in out else False
if interface_ip:
# Check for interface and VRRP and fetch nic for VRRP
show = cli + ' vrouter-loopback-interface-show '
show += 'vrouter-name %s ' % vrouter_name
show += 'format ip no-show-headers'
out = run_commands(module, show)[1]
if out and interface_ip in out.split():
INTERFACE_EXISTS = True
else:
INTERFACE_EXISTS = False
return VROUTER_EXISTS, INTERFACE_EXISTS
def main():
""" This section is for arguments parsing """
state_map = dict(
present='vrouter-loopback-interface-add',
absent='vrouter-loopback-interface-remove'
)
argument_spec = dict(
pn_cliswitch=dict(required=False, type='str'),
state=dict(required=False, type='str',
choices=state_map.keys(), default='present'),
pn_ip=dict(required=True, type='str'),
pn_index=dict(required=False, type='str'),
pn_vrouter_name=dict(required=True, type='str'),
)
module = AnsibleModule(
argument_spec=argument_spec,
required_if=(
["state", "present", ["pn_vrouter_name", "pn_ip"]],
["state", "absent", ["pn_vrouter_name", "pn_ip", "pn_index"]]
),
)
# Accessing the arguments
cliswitch = module.params['pn_cliswitch']
state = module.params['state']
ip = module.params['pn_ip']
index = module.params['pn_index']
vrouter_name = module.params['pn_vrouter_name']
command = state_map[state]
# Building the CLI command string
cli = pn_cli(module, cliswitch)
VROUTER_EXISTS, INTERFACE_EXISTS = check_cli(module, cli)
cli += ' %s vrouter-name %s ' % (command, vrouter_name)
if index and (int(index) < 1 or int(index) > 255):
module.fail_json(
failed=True,
msg='index should be in range 1 to 255'
)
if index and state == 'present':
show = 'vrouter-loopback-interface-show format index parsable-delim ,'
out = run_commands(module, show)[1]
if out:
out = out.split()
for res in out:
res = res.strip().split(',')
if index in res:
module.fail_json(
failed=True,
msg='index with value %s exist' % index
)
if command == 'vrouter-loopback-interface-add':
if VROUTER_EXISTS is False:
module.fail_json(
failed=True,
msg='vRouter %s does not exist' % vrouter_name
)
if INTERFACE_EXISTS is True:
module.exit_json(
skipped=True,
msg='vRouter with loopback ip %s exist' % ip
)
if ip:
cli += ' ip ' + ip
if index:
cli += ' index ' + index
if command == 'vrouter-loopback-interface-remove':
if VROUTER_EXISTS is False:
module.fail_json(
failed=True,
msg='vRouter %s does not exist' % vrouter_name
)
if INTERFACE_EXISTS is False:
module.exit_json(
skipped=True,
msg='vRouter with loopback ip %s doesnt exist' % ip
)
if index:
cli += ' index ' + index
run_cli(module, cli, state_map)
if __name__ == '__main__':
main()

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# Copyright: (c) 2018, Pluribus Networks
# 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
import json
from units.compat.mock import patch
from ansible.modules.network.netvisor import pn_vrouter_loopback_interface
from units.modules.utils import set_module_args
from .nvos_module import TestNvosModule, load_fixture
class TestVrouterLoopbackInterfaceModule(TestNvosModule):
module = pn_vrouter_loopback_interface
def setUp(self):
self.mock_run_nvos_commands = patch('ansible.modules.network.netvisor.pn_vrouter_loopback_interface.run_cli')
self.run_nvos_commands = self.mock_run_nvos_commands.start()
self.mock_run_check_cli = patch('ansible.modules.network.netvisor.pn_vrouter_loopback_interface.check_cli')
self.run_check_cli = self.mock_run_check_cli.start()
def tearDown(self):
self.mock_run_nvos_commands.stop()
self.mock_run_check_cli.stop()
def run_cli_patch(self, module, cli, state_map):
if state_map['present'] == 'vrouter-loopback-interface-add':
results = dict(
changed=True,
cli_cmd=cli
)
elif state_map['absent'] == 'vrouter-loopback-remove':
results = dict(
changed=True,
cli_cmd=cli
)
module.exit_json(**results)
def load_fixtures(self, commands=None, state=None, transport='cli'):
self.run_nvos_commands.side_effect = self.run_cli_patch
if state == 'present':
self.run_check_cli.return_value = True, False
if state == 'absent':
self.run_check_cli.return_value = True, True
def test_vrouter_loopback_interface_add(self):
set_module_args({'pn_cliswitch': 'sw01', 'pn_vrouter_name': 'foo-vrouter',
'pn_ip': '192.168.10.1', 'state': 'present'})
result = self.execute_module(changed=True, state='present')
expected_cmd = ' switch sw01 vrouter-loopback-interface-add vrouter-name foo-vrouter ip 192.168.10.1'
self.assertEqual(result['cli_cmd'], expected_cmd)
def test_vrouter_loopback_interface_remove(self):
set_module_args({'pn_cliswitch': 'sw01', 'pn_vrouter_name': 'foo-vrouter',
'pn_ip': '192.168.10.1', 'pn_index': '1', 'state': 'absent'})
result = self.execute_module(changed=True, state='absent')
expected_cmd = ' switch sw01 vrouter-loopback-interface-remove vrouter-name foo-vrouter index 1'
self.assertEqual(result['cli_cmd'], expected_cmd)