From 271e14638e86a0570aa521354caa9e7ecf981b6b Mon Sep 17 00:00:00 2001 From: rajaspachipulusu17 Date: Thu, 31 Jan 2019 09:39:23 +0530 Subject: [PATCH] pn snmp trap sink (#51420) * Pluribus Network snmp trap sink module with Unit tests * pep8 standard fix * Added proper author name --- .../network/netvisor/pn_snmp_trap_sink.py | 212 ++++++++++++++++++ .../netvisor/test_pn_snmp_trap_sink.py | 63 ++++++ 2 files changed, 275 insertions(+) create mode 100644 lib/ansible/modules/network/netvisor/pn_snmp_trap_sink.py create mode 100644 test/units/modules/network/netvisor/test_pn_snmp_trap_sink.py diff --git a/lib/ansible/modules/network/netvisor/pn_snmp_trap_sink.py b/lib/ansible/modules/network/netvisor/pn_snmp_trap_sink.py new file mode 100644 index 0000000000..c262eca22e --- /dev/null +++ b/lib/ansible/modules/network/netvisor/pn_snmp_trap_sink.py @@ -0,0 +1,212 @@ +#!/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_trap_sink +author: "Pluribus Networks (@rajaspachipulusu17)" +version_added: "2.8" +short_description: CLI command to create/delete snmp-trap-sink +description: + - This module can be used to create a SNMP trap sink and delete a SNMP trap sink. +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 create snmp-trap-sink and + C(absent) to delete snmp-trap-sink. + required: true + type: str + choices: ['present', 'absent'] + pn_dest_host: + description: + - destination host. + type: str + pn_community: + description: + - community type. + type: str + pn_dest_port: + description: + - destination port. + type: str + default: '162' + pn_type: + description: + - trap type. + type: str + choices: ['TRAP_TYPE_V1_TRAP', 'TRAP_TYPE_V2C_TRAP', 'TRAP_TYPE_V2_INFORM'] + default: 'TRAP_TYPE_V2C_TRAP' +""" + +EXAMPLES = """ +- name: snmp trap sink functionality + pn_snmp_trap_sink: + pn_cliswitch: "sw01" + state: "present" + pn_community: "foo" + pn_type: "TRAP_TYPE_V2_INFORM" + pn_dest_host: "192.168.67.8" + +- name: snmp trap sink functionality + pn_snmp_trap_sink: + pn_cliswitch: "sw01" + state: "absent" + pn_community: "foo" + pn_type: "TRAP_TYPE_V2_INFORM" + pn_dest_host: "192.168.67.8" +""" + +RETURN = """ +command: + description: the CLI command run on the target node. + returned: always + type: str +stdout: + description: set of responses from the snmp-trap-sink command. + returned: always + type: list +stderr: + description: set of error responses from the snmp-trap-sink 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-trap-sink-show command. + If a trap with given name exists, return True else False. + :param module: The Ansible module to fetch input parameters + :param cli: The CLI string + """ + community = module.params['pn_community'] + dest_host = module.params['pn_dest_host'] + + show = cli + cli += ' snmp-community-show format community-string no-show-headers' + rc, out, err = module.run_command(cli, use_unsafe_shell=True) + + out = out.split() + + if community in out: + cli = show + cli += ' snmp-trap-sink-show community %s format type,dest-host no-show-headers' % community + rc, out, err = module.run_command(cli, use_unsafe_shell=True) + + out = out.split() + + return True if dest_host in out else False + else: + return None + + +def main(): + """ This section is for arguments parsing """ + + state_map = dict( + present='snmp-trap-sink-create', + absent='snmp-trap-sink-delete' + ) + + module = AnsibleModule( + argument_spec=dict( + pn_cliswitch=dict(required=False, type='str'), + state=dict(required=True, type='str', + choices=state_map.keys()), + pn_dest_host=dict(required=False, type='str'), + pn_community=dict(required=False, type='str'), + pn_dest_port=dict(required=False, type='str', default='162'), + pn_type=dict(required=False, type='str', + choices=['TRAP_TYPE_V1_TRAP', + 'TRAP_TYPE_V2C_TRAP', + 'TRAP_TYPE_V2_INFORM'], + default='TRAP_TYPE_V2C_TRAP'), + ), + required_if=( + ["state", "present", ["pn_community", "pn_dest_host"]], + ["state", "absent", ["pn_community", "pn_dest_host"]], + ) + ) + + # Accessing the arguments + cliswitch = module.params['pn_cliswitch'] + state = module.params['state'] + dest_host = module.params['pn_dest_host'] + community = module.params['pn_community'] + dest_port = module.params['pn_dest_port'] + pn_type = module.params['pn_type'] + + command = state_map[state] + + # Building the CLI command string + cli = pn_cli(module, cliswitch) + + VALUE_EXISTS = check_cli(module, cli) + cli += ' %s ' % command + + if command == 'snmp-trap-sink-create': + if VALUE_EXISTS is True: + module.exit_json( + skipped=True, + msg='snmp trap sink already exists' + ) + if VALUE_EXISTS is None: + module.fail_json( + failed=True, + msg='snmp community does not exists to create trap sink' + ) + if pn_type: + cli += ' type ' + pn_type + if dest_host: + cli += ' dest-host ' + dest_host + if community: + cli += ' community ' + community + if dest_port: + cli += ' dest-port ' + dest_port + + if command == 'snmp-trap-sink-delete': + if VALUE_EXISTS is None: + module.fail_json( + failed=True, + msg='snmp community does not exists to delete trap sink' + ) + if VALUE_EXISTS is False: + module.exit_json( + skipped=True, + msg='snmp-trap-sink with community %s does not exist with dest-host %s ' % (community, dest_host) + ) + if community: + cli += ' community ' + community + if dest_host: + cli += ' dest-host ' + dest_host + if dest_port: + cli += ' dest-port ' + dest_port + + run_cli(module, cli, state_map) + + +if __name__ == '__main__': + main() diff --git a/test/units/modules/network/netvisor/test_pn_snmp_trap_sink.py b/test/units/modules/network/netvisor/test_pn_snmp_trap_sink.py new file mode 100644 index 0000000000..d7e6a4c8a8 --- /dev/null +++ b/test/units/modules/network/netvisor/test_pn_snmp_trap_sink.py @@ -0,0 +1,63 @@ +# 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_trap_sink +from units.modules.utils import set_module_args +from .nvos_module import TestNvosModule, load_fixture + + +class TestSnmpTrapSinkModule(TestNvosModule): + + module = pn_snmp_trap_sink + + def setUp(self): + self.mock_run_nvos_commands = patch('ansible.modules.network.netvisor.pn_snmp_trap_sink.run_cli') + self.run_nvos_commands = self.mock_run_nvos_commands.start() + + self.mock_run_check_cli = patch('ansible.modules.network.netvisor.pn_snmp_trap_sink.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-trap-sink-create': + results = dict( + changed=True, + cli_cmd=cli + ) + elif state_map['absent'] == 'snmp-trap-sink-delete': + 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 + + def test_snmp_trap_sink_create(self): + set_module_args({'pn_cliswitch': 'sw01', 'pn_community': 'foo', + 'pn_dest_host': '192.168.67.8', 'pn_type': 'TRAP_TYPE_V2_INFORM', 'state': 'present'}) + result = self.execute_module(changed=True, state='present') + 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 ' + expected_cmd += 'community foo dest-port 162' + self.assertEqual(result['cli_cmd'], expected_cmd) + + def test_snmp_trap_sink_delete(self): + set_module_args({'pn_cliswitch': 'sw01', 'pn_community': 'foo', + 'pn_dest_host': '192.168.67.8', 'pn_type': 'TRAP_TYPE_V2_INFORM', 'state': 'absent'}) + result = self.execute_module(changed=True, state='update') + 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' + self.assertEqual(result['cli_cmd'], expected_cmd)