pn snmp trap sink (#51420)
* Pluribus Network snmp trap sink module with Unit tests * pep8 standard fix * Added proper author name
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rajaspachipulusu17
Ganesh Nalawade
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30b25d53d2
commit
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2 changed files with 275 additions and 0 deletions
212
lib/ansible/modules/network/netvisor/pn_snmp_trap_sink.py
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lib/ansible/modules/network/netvisor/pn_snmp_trap_sink.py
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#!/usr/bin/python
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# Copyright: (c) 2018, Pluribus Networks
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# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
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from __future__ import absolute_import, division, print_function
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__metaclass__ = type
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ANSIBLE_METADATA = {'metadata_version': '1.1',
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'status': ['preview'],
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'supported_by': 'community'}
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DOCUMENTATION = """
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---
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module: pn_snmp_trap_sink
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author: "Pluribus Networks (@rajaspachipulusu17)"
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version_added: "2.8"
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short_description: CLI command to create/delete snmp-trap-sink
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description:
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- This module can be used to create a SNMP trap sink and delete a SNMP trap sink.
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options:
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pn_cliswitch:
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description:
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- Target switch to run the CLI on.
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required: false
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type: str
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state:
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description:
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- State the action to perform. Use C(present) to create snmp-trap-sink and
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C(absent) to delete snmp-trap-sink.
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required: true
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type: str
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choices: ['present', 'absent']
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pn_dest_host:
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description:
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- destination host.
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type: str
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pn_community:
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description:
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- community type.
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type: str
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pn_dest_port:
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description:
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- destination port.
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type: str
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default: '162'
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pn_type:
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description:
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- trap type.
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type: str
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choices: ['TRAP_TYPE_V1_TRAP', 'TRAP_TYPE_V2C_TRAP', 'TRAP_TYPE_V2_INFORM']
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default: 'TRAP_TYPE_V2C_TRAP'
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"""
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EXAMPLES = """
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- name: snmp trap sink functionality
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pn_snmp_trap_sink:
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pn_cliswitch: "sw01"
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state: "present"
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pn_community: "foo"
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pn_type: "TRAP_TYPE_V2_INFORM"
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pn_dest_host: "192.168.67.8"
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- name: snmp trap sink functionality
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pn_snmp_trap_sink:
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pn_cliswitch: "sw01"
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state: "absent"
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pn_community: "foo"
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pn_type: "TRAP_TYPE_V2_INFORM"
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pn_dest_host: "192.168.67.8"
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"""
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RETURN = """
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command:
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description: the CLI command run on the target node.
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returned: always
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type: str
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stdout:
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description: set of responses from the snmp-trap-sink command.
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returned: always
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type: list
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stderr:
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description: set of error responses from the snmp-trap-sink command.
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returned: on error
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type: list
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changed:
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description: indicates whether the CLI caused changes on the target.
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returned: always
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type: bool
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"""
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from ansible.module_utils.basic import AnsibleModule
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from ansible.module_utils.network.netvisor.pn_nvos import pn_cli, run_cli
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def check_cli(module, cli):
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"""
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This method checks for idempotency using the snmp-trap-sink-show command.
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If a trap with given name exists, return True else False.
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:param module: The Ansible module to fetch input parameters
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:param cli: The CLI string
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"""
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community = module.params['pn_community']
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dest_host = module.params['pn_dest_host']
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show = cli
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cli += ' snmp-community-show format community-string no-show-headers'
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rc, out, err = module.run_command(cli, use_unsafe_shell=True)
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out = out.split()
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if community in out:
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cli = show
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cli += ' snmp-trap-sink-show community %s format type,dest-host no-show-headers' % community
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rc, out, err = module.run_command(cli, use_unsafe_shell=True)
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out = out.split()
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return True if dest_host in out else False
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else:
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return None
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def main():
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""" This section is for arguments parsing """
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state_map = dict(
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present='snmp-trap-sink-create',
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absent='snmp-trap-sink-delete'
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)
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module = AnsibleModule(
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argument_spec=dict(
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pn_cliswitch=dict(required=False, type='str'),
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state=dict(required=True, type='str',
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choices=state_map.keys()),
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pn_dest_host=dict(required=False, type='str'),
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pn_community=dict(required=False, type='str'),
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pn_dest_port=dict(required=False, type='str', default='162'),
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pn_type=dict(required=False, type='str',
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choices=['TRAP_TYPE_V1_TRAP',
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'TRAP_TYPE_V2C_TRAP',
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'TRAP_TYPE_V2_INFORM'],
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default='TRAP_TYPE_V2C_TRAP'),
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),
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required_if=(
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["state", "present", ["pn_community", "pn_dest_host"]],
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["state", "absent", ["pn_community", "pn_dest_host"]],
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)
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)
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# Accessing the arguments
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cliswitch = module.params['pn_cliswitch']
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state = module.params['state']
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dest_host = module.params['pn_dest_host']
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community = module.params['pn_community']
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dest_port = module.params['pn_dest_port']
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pn_type = module.params['pn_type']
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command = state_map[state]
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# Building the CLI command string
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cli = pn_cli(module, cliswitch)
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VALUE_EXISTS = check_cli(module, cli)
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cli += ' %s ' % command
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if command == 'snmp-trap-sink-create':
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if VALUE_EXISTS is True:
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module.exit_json(
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skipped=True,
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msg='snmp trap sink already exists'
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)
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if VALUE_EXISTS is None:
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module.fail_json(
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failed=True,
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msg='snmp community does not exists to create trap sink'
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)
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if pn_type:
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cli += ' type ' + pn_type
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if dest_host:
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cli += ' dest-host ' + dest_host
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if community:
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cli += ' community ' + community
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if dest_port:
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cli += ' dest-port ' + dest_port
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if command == 'snmp-trap-sink-delete':
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if VALUE_EXISTS is None:
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module.fail_json(
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failed=True,
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msg='snmp community does not exists to delete trap sink'
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)
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if VALUE_EXISTS is False:
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module.exit_json(
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skipped=True,
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msg='snmp-trap-sink with community %s does not exist with dest-host %s ' % (community, dest_host)
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)
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if community:
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cli += ' community ' + community
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if dest_host:
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cli += ' dest-host ' + dest_host
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if dest_port:
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cli += ' dest-port ' + dest_port
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run_cli(module, cli, state_map)
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if __name__ == '__main__':
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main()
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@ -0,0 +1,63 @@
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# Copyright: (c) 2018, Pluribus Networks
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# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
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from __future__ import (absolute_import, division, print_function)
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__metaclass__ = type
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import json
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from units.compat.mock import patch
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from ansible.modules.network.netvisor import pn_snmp_trap_sink
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from units.modules.utils import set_module_args
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from .nvos_module import TestNvosModule, load_fixture
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class TestSnmpTrapSinkModule(TestNvosModule):
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module = pn_snmp_trap_sink
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def setUp(self):
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self.mock_run_nvos_commands = patch('ansible.modules.network.netvisor.pn_snmp_trap_sink.run_cli')
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self.run_nvos_commands = self.mock_run_nvos_commands.start()
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self.mock_run_check_cli = patch('ansible.modules.network.netvisor.pn_snmp_trap_sink.check_cli')
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self.run_check_cli = self.mock_run_check_cli.start()
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def tearDown(self):
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self.mock_run_nvos_commands.stop()
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self.run_check_cli.stop()
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def run_cli_patch(self, module, cli, state_map):
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if state_map['present'] == 'snmp-trap-sink-create':
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results = dict(
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changed=True,
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cli_cmd=cli
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)
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elif state_map['absent'] == 'snmp-trap-sink-delete':
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results = dict(
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changed=True,
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cli_cmd=cli
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)
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module.exit_json(**results)
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def load_fixtures(self, commands=None, state=None, transport='cli'):
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self.run_nvos_commands.side_effect = self.run_cli_patch
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if state == 'present':
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self.run_check_cli.return_value = False
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if state == 'absent':
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self.run_check_cli.return_value = True
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def test_snmp_trap_sink_create(self):
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set_module_args({'pn_cliswitch': 'sw01', 'pn_community': 'foo',
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'pn_dest_host': '192.168.67.8', 'pn_type': 'TRAP_TYPE_V2_INFORM', 'state': 'present'})
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result = self.execute_module(changed=True, state='present')
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expected_cmd = '/usr/bin/cli --quiet -e --no-login-prompt switch sw01 snmp-trap-sink-create type TRAP_TYPE_V2_INFORM dest-host 192.168.67.8 '
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expected_cmd += 'community foo dest-port 162'
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self.assertEqual(result['cli_cmd'], expected_cmd)
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def test_snmp_trap_sink_delete(self):
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set_module_args({'pn_cliswitch': 'sw01', 'pn_community': 'foo',
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'pn_dest_host': '192.168.67.8', 'pn_type': 'TRAP_TYPE_V2_INFORM', 'state': 'absent'})
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result = self.execute_module(changed=True, state='update')
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expected_cmd = '/usr/bin/cli --quiet -e --no-login-prompt switch sw01 snmp-trap-sink-delete community foo dest-host 192.168.67.8 dest-port 162'
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self.assertEqual(result['cli_cmd'], expected_cmd)
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