Pluribus Networks snmp community module with unit tests (#51165)

This commit is contained in:
rajaspachipulusu17 2019-02-04 10:42:00 +05:30 committed by Abhijeet Kasurde
parent 60e37c54cc
commit 449b7e9f10
2 changed files with 253 additions and 0 deletions

View file

@ -0,0 +1,177 @@
#!/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_snmp_community
author: "Pluribus Networks (@rajaspachipulusu17)"
version_added: "2.8"
short_description: CLI command to create/modify/delete snmp-community
description:
- This module can be used to create SNMP communities for SNMPv1 or
delete SNMP communities for SNMPv1 or modify SNMP communities for SNMPv1.
options:
pn_cliswitch:
description:
- Target switch to run the CLI on.
required: false
state:
description:
- State the action to perform. Use C(present) to create snmp-community and
C(absent) to delete snmp-community C(update) to update snmp-community.
required: true
type: str
choices: ['present', 'absent', 'update']
pn_community_type:
description:
- community type.
type: str
choices: ['read-only', 'read-write']
pn_community_string:
description:
- community name.
type: str
"""
EXAMPLES = """
- name: Create snmp community
pn_snmp_community:
pn_cliswitch: "sw01"
state: "present"
pn_community_string: "foo"
pn_community_type: "read-write"
- name: Delete snmp community
pn_snmp_community:
pn_cliswitch: "sw01"
state: "absent"
pn_community_string: "foo"
- name: Modify snmp community
pn_snmp_community:
pn_cliswitch: "sw01"
state: "update"
pn_community_string: "foo"
pn_community_type: "read-only"
"""
RETURN = """
command:
description: the CLI command run on the target node.
returned: always
type: str
stdout:
description: set of responses from the snmp-community command.
returned: always
type: list
stderr:
description: set of error responses from the snmp-community 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
def check_cli(module, cli):
"""
This method checks for idempotency using the snmp-community-show command.
If a user with given name exists, return as True else False.
:param module: The Ansible module to fetch input parameters
:param cli: The CLI string
"""
comm_str = module.params['pn_community_string']
cli += ' snmp-community-show format community-string no-show-headers'
out = module.run_command(cli.split(), use_unsafe_shell=True)[1]
out = out.split()
return True if comm_str in out else False
def main():
""" This section is for arguments parsing """
state_map = dict(
present='snmp-community-create',
absent='snmp-community-delete',
update='snmp-community-modify'
)
module = AnsibleModule(
argument_spec=dict(
pn_cliswitch=dict(required=False, type='str'),
state=dict(required=True, type='str',
choices=state_map.keys()),
pn_community_type=dict(required=False, type='str',
choices=['read-only', 'read-write']),
pn_community_string=dict(required=False, type='str'),
),
required_if=(
["state", "present", ["pn_community_type", "pn_community_string"]],
["state", "absent", ["pn_community_string"]],
["state", "update", ["pn_community_type", "pn_community_string"]],
)
)
# Accessing the arguments
cliswitch = module.params['pn_cliswitch']
state = module.params['state']
community_type = module.params['pn_community_type']
comm_str = module.params['pn_community_string']
command = state_map[state]
# Building the CLI command string
cli = pn_cli(module, cliswitch)
COMMUNITY_EXISTS = check_cli(module, cli)
if command == 'snmp-community-modify':
if COMMUNITY_EXISTS is False:
module.fail_json(
failed=True,
msg='snmp community name %s does not exist' % comm_str
)
if command == 'snmp-community-delete':
if COMMUNITY_EXISTS is False:
module.exit_json(
skipped=True,
msg='snmp community name %s does not exist' % comm_str
)
if command == 'snmp-community-create':
if COMMUNITY_EXISTS is True:
module.exit_json(
skipped=True,
msg='snmp community with name %s already exists' % comm_str
)
cli += ' %s community-string %s ' % (command, comm_str)
if command != 'snmp-community-delete' and community_type:
cli += ' community-type ' + community_type
run_cli(module, cli, state_map)
if __name__ == '__main__':
main()

View file

@ -0,0 +1,76 @@
# 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_snmp_community
from units.modules.utils import set_module_args
from .nvos_module import TestNvosModule, load_fixture
class TestSnmpCommunityModule(TestNvosModule):
module = pn_snmp_community
def setUp(self):
self.mock_run_nvos_commands = patch('ansible.modules.network.netvisor.pn_snmp_community.run_cli')
self.run_nvos_commands = self.mock_run_nvos_commands.start()
self.mock_run_check_cli = patch('ansible.modules.network.netvisor.pn_snmp_community.check_cli')
self.run_check_cli = self.mock_run_check_cli.start()
def tearDown(self):
self.mock_run_nvos_commands.stop()
self.run_check_cli.stop()
def run_cli_patch(self, module, cli, state_map):
if state_map['present'] == 'snmp-community-create':
results = dict(
changed=True,
cli_cmd=cli
)
elif state_map['absent'] == 'snmp-community-delete':
results = dict(
changed=True,
cli_cmd=cli
)
elif state_map['update'] == 'snmp-community-modify':
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 = False
if state == 'absent':
self.run_check_cli.return_value = True
if state == 'update':
self.run_check_cli.return_value = True
def test_snmp_community_create(self):
set_module_args({'pn_cliswitch': 'sw01', 'pn_community_string': 'foo',
'pn_community_type': 'read-write', 'state': 'present'})
result = self.execute_module(changed=True, state='present')
expected_cmd = '/usr/bin/cli --quiet -e --no-login-prompt switch sw01 snmp-community-create community-string foo community-type read-write'
self.assertEqual(result['cli_cmd'], expected_cmd)
def test_snmp_community_delete(self):
set_module_args({'pn_cliswitch': 'sw01', 'pn_community_string': 'foo',
'state': 'absent'})
result = self.execute_module(changed=True, state='absent')
expected_cmd = '/usr/bin/cli --quiet -e --no-login-prompt switch sw01 snmp-community-delete community-string foo '
self.assertEqual(result['cli_cmd'], expected_cmd)
def test_snmp_community_update(self):
set_module_args({'pn_cliswitch': 'sw01', 'pn_community_string': 'foo',
'pn_community_type': 'read-only', 'state': 'update'})
result = self.execute_module(changed=True, state='update')
expected_cmd = '/usr/bin/cli --quiet -e --no-login-prompt switch sw01 snmp-community-modify community-string foo community-type read-only'
self.assertEqual(result['cli_cmd'], expected_cmd)