Pluribus Networks vrouter loopback interface module with UT (#56450)
* Pluribus Networks vrouter loopback interface module with UT * Sanity fixes
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rajaspachipulusu17
Sumit Jaiswal
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2 changed files with 289 additions and 0 deletions
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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_vrouter_loopback_interface
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author: "Pluribus Networks (@rajaspachipulusu17)"
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version_added: "2.9"
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short_description: CLI command to add/remove vrouter-loopback-interface
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description:
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- This module can be used to add loopback interface to a vRouter or
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remove loopback interface from a vRouter.
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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 add vrouter-loopback-interface
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and C(absent) to remove vrouter-loopback-interface.
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required: false
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type: str
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choices: ['present', 'absent']
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default: 'present'
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pn_ip:
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description:
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- loopback IP address.
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required: true
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type: str
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pn_index:
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description:
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- loopback index from 1 to 255.
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required: false
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type: str
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pn_vrouter_name:
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description:
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- name of service config.
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required: true
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type: str
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"""
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EXAMPLES = """
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- name: Add vrouter loopback interface
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pn_vrouter_loopback_interface:
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state: "present"
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pn_cliswitch: "sw01"
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pn_vrouter_name: "sw01-vrouter"
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pn_ip: "192.168.10.1"
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- name: Remove vrouter loopback interface
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pn_vrouter_loopback_interface:
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state: "absent"
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pn_cliswitch: "sw01"
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pn_vrouter_name: "sw01-vrouter"
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pn_ip: "192.168.10.1"
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pn_index: "2"
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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 vrouter-loopback-interface 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 response from the vrouter-loopback-interface
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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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from ansible.module_utils.network.netvisor.netvisor import run_commands
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def check_cli(module, cli):
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"""
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This method checks if vRouter exists on the target node.
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This method also checks for idempotency using the vrouter-interface-show
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command.
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If the given vRouter exists, return VROUTER_EXISTS as 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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:return Booleans: VROUTER_EXISTS, INTERFACE_EXISTS
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"""
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vrouter_name = module.params['pn_vrouter_name']
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interface_ip = module.params['pn_ip']
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# Check for vRouter
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check_vrouter = 'vrouter-show format name no-show-headers'
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out = run_commands(module, check_vrouter)[1]
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if out:
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out = out.split()
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VROUTER_EXISTS = True if vrouter_name in out else False
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if interface_ip:
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# Check for interface and VRRP and fetch nic for VRRP
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show = cli + ' vrouter-loopback-interface-show '
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show += 'vrouter-name %s ' % vrouter_name
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show += 'format ip no-show-headers'
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out = run_commands(module, show)[1]
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if out and interface_ip in out.split():
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INTERFACE_EXISTS = True
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else:
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INTERFACE_EXISTS = False
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return VROUTER_EXISTS, INTERFACE_EXISTS
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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='vrouter-loopback-interface-add',
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absent='vrouter-loopback-interface-remove'
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)
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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=False, type='str',
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choices=state_map.keys(), default='present'),
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pn_ip=dict(required=True, type='str'),
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pn_index=dict(required=False, type='str'),
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pn_vrouter_name=dict(required=True, type='str'),
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)
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module = AnsibleModule(
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argument_spec=argument_spec,
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required_if=(
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["state", "present", ["pn_vrouter_name", "pn_ip"]],
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["state", "absent", ["pn_vrouter_name", "pn_ip", "pn_index"]]
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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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ip = module.params['pn_ip']
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index = module.params['pn_index']
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vrouter_name = module.params['pn_vrouter_name']
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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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VROUTER_EXISTS, INTERFACE_EXISTS = check_cli(module, cli)
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cli += ' %s vrouter-name %s ' % (command, vrouter_name)
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if index and (int(index) < 1 or int(index) > 255):
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module.fail_json(
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failed=True,
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msg='index should be in range 1 to 255'
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)
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if index and state == 'present':
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show = 'vrouter-loopback-interface-show format index parsable-delim ,'
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out = run_commands(module, show)[1]
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if out:
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out = out.split()
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for res in out:
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res = res.strip().split(',')
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if index in res:
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module.fail_json(
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failed=True,
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msg='index with value %s exist' % index
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)
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if command == 'vrouter-loopback-interface-add':
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if VROUTER_EXISTS is False:
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module.fail_json(
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failed=True,
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msg='vRouter %s does not exist' % vrouter_name
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)
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if INTERFACE_EXISTS is True:
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module.exit_json(
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skipped=True,
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msg='vRouter with loopback ip %s exist' % ip
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)
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if ip:
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cli += ' ip ' + ip
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if index:
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cli += ' index ' + index
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if command == 'vrouter-loopback-interface-remove':
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if VROUTER_EXISTS is False:
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module.fail_json(
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failed=True,
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msg='vRouter %s does not exist' % vrouter_name
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)
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if INTERFACE_EXISTS is False:
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module.exit_json(
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skipped=True,
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msg='vRouter with loopback ip %s doesnt exist' % ip
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)
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if index:
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cli += ' index ' + index
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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 +1,62 @@
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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_vrouter_loopback_interface
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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 TestVrouterLoopbackInterfaceModule(TestNvosModule):
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module = pn_vrouter_loopback_interface
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def setUp(self):
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self.mock_run_nvos_commands = patch('ansible.modules.network.netvisor.pn_vrouter_loopback_interface.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_vrouter_loopback_interface.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.mock_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'] == 'vrouter-loopback-interface-add':
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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'] == 'vrouter-loopback-remove':
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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 = True, False
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if state == 'absent':
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self.run_check_cli.return_value = True, True
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def test_vrouter_loopback_interface_add(self):
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set_module_args({'pn_cliswitch': 'sw01', 'pn_vrouter_name': 'foo-vrouter',
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'pn_ip': '192.168.10.1', 'state': 'present'})
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result = self.execute_module(changed=True, state='present')
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expected_cmd = ' switch sw01 vrouter-loopback-interface-add vrouter-name foo-vrouter ip 192.168.10.1'
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self.assertEqual(result['cli_cmd'], expected_cmd)
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def test_vrouter_loopback_interface_remove(self):
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set_module_args({'pn_cliswitch': 'sw01', 'pn_vrouter_name': 'foo-vrouter',
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'pn_ip': '192.168.10.1', 'pn_index': '1', 'state': 'absent'})
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result = self.execute_module(changed=True, state='absent')
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expected_cmd = ' switch sw01 vrouter-loopback-interface-remove vrouter-name foo-vrouter index 1'
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self.assertEqual(result['cli_cmd'], expected_cmd)
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