pn_trunk (New Module) (#4728)
* Cluster Module * added Py2.4 and YAML Documentation fixes * added no_log for password * incorporated additional review comments * remove type for options block
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amitsi
Matt Clay
parent
700c220d6b
commit
5ad8cebef9
1 changed files with 446 additions and 0 deletions
446
lib/ansible/modules/network/netvisor/pn_trunk.py
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446
lib/ansible/modules/network/netvisor/pn_trunk.py
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#!/usr/bin/python
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""" PN CLI trunk-create/trunk-delete/trunk-modify """
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#
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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#
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import shlex
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DOCUMENTATION = """
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---
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module: pn_trunk
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author: "Pluribus Networks (@amitsi)"
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version_added: "2.2"
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version: 1.0
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short_description: CLI command to create/delete/modify a trunk.
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description:
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- Execute trunk-create or trunk-delete command.
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- Trunks can be used to aggregate network links at Layer 2 on the local
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switch. Use this command to create a new trunk.
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options:
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pn_cliusername:
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description:
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- Provide login username if user is not root.
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required: False
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pn_clipassword:
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description:
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- Provide login password if user is not root.
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required: False
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pn_cliswitch:
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description:
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- Target switch(es) to run the cli on.
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required: False
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state:
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description:
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- State the action to perform. Use 'present' to create trunk,
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'absent' to delete trunk and 'update' to modify trunk.
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required: True
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choices: ['present', 'absent', 'update']
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pn_name:
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description:
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- Specify the name for the trunk configuration.
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required: true
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pn_ports:
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description:
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- Specify the port number(s) for the link(s) to aggregate into the trunk.
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- Required for trunk-create.
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pn_speed:
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description:
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- Specify the port speed or disable the port.
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choices: ['disable', '10m', '100m', '1g', '2.5g', '10g', '40g']
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pn_egress_rate_limit:
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description:
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- Specify an egress port data rate limit for the configuration.
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pn_jumbo:
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description:
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- Specify if the port can receive jumbo frames.
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pn_lacp_mode:
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description:
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- Specify the LACP mode for the configuration.
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choices: ['off', 'passive', 'active']
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pn_lacp_priority:
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description:
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- Specify the LACP priority. This is a number between 1 and 65535 with a
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default value of 32768.
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pn_lacp_timeout:
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description:
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- Specify the LACP time out as slow (30 seconds) or fast (4seconds).
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The default value is slow.
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choices: ['slow', 'fast']
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pn_lacp_fallback:
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description:
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- Specify the LACP fallback mode as bundles or individual.
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choices: ['bundle', 'individual']
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pn_lacp_fallback_timeout:
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description:
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- Specify the LACP fallback timeout in seconds. The range is between 30
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and 60 seconds with a default value of 50 seconds.
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pn_edge_switch:
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description:
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- Specify if the switch is an edge switch.
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pn_pause:
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description:
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- Specify if pause frames are sent.
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pn_description:
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description:
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- Specify a description for the trunk configuration.
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pn_loopback:
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description:
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- Specify loopback if you want to use loopback.
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pn_mirror_receive:
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description:
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- Specify if the configuration receives mirrored traffic.
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pn_unkown_ucast_level:
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description:
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- Specify an unkown unicast level in percent. The default value is 100%.
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pn_unkown_mcast_level:
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description:
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- Specify an unkown multicast level in percent. The default value is 100%.
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pn_broadcast_level:
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description:
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- Specify a broadcast level in percent. The default value is 100%.
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pn_port_macaddr:
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description:
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- Specify the MAC address of the port.
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pn_loopvlans:
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description:
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- Specify a list of looping vlans.
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pn_routing:
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description:
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- Specify if the port participates in routing on the network.
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pn_host:
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description:
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- Host facing port control setting.
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"""
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EXAMPLES = """
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- name: create trunk
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pn_trunk:
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state: 'present'
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pn_name: 'spine-to-leaf'
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pn_ports: '11,12,13,14'
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- name: delete trunk
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pn_trunk:
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state: 'absent'
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pn_name: 'spine-to-leaf'
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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(s).
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stdout:
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description: The set of responses from the trunk command.
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returned: always
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type: list
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stderr:
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description: The set of error responses from the trunk 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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TRUNK_EXISTS = None
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def pn_cli(module):
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"""
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This method is to generate the cli portion to launch the Netvisor cli.
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It parses the username, password, switch parameters from module.
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:param module: The Ansible module to fetch username, password and switch
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:return: returns the cli string for further processing
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"""
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username = module.params['pn_cliusername']
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password = module.params['pn_clipassword']
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cliswitch = module.params['pn_cliswitch']
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if username and password:
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cli = '/usr/bin/cli --quiet --user %s:%s ' % (username, password)
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else:
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cli = '/usr/bin/cli --quiet '
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if cliswitch == 'local':
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cli += ' switch-local '
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else:
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cli += ' switch ' + cliswitch
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return 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 trunk-show command.
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If a trunk with given name exists, return TRUNK_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 Global Booleans: TRUNK_EXISTS
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"""
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name = module.params['pn_name']
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show = cli + ' trunk-show format switch,name no-show-headers'
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show = shlex.split(show)
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out = module.run_command(show)[1]
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out = out.split()
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# Global flags
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global TRUNK_EXISTS
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if name in out:
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TRUNK_EXISTS = True
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else:
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TRUNK_EXISTS = False
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def run_cli(module, cli):
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"""
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This method executes the cli command on the target node(s) and returns the
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output. The module then exits based on the output.
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:param cli: the complete cli string to be executed on the target node(s).
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:param module: The Ansible module to fetch command
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"""
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cliswitch = module.params['pn_cliswitch']
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state = module.params['state']
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command = get_command_from_state(state)
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cmd = shlex.split(cli)
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# 'out' contains the output
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# 'err' contains the error messages
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result, out, err = module.run_command(cmd)
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print_cli = cli.split(cliswitch)[1]
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# Response in JSON format
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if result != 0:
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module.exit_json(
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command=print_cli,
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stderr=err.strip(),
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msg="%s operation failed" % command,
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changed=False
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)
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if out:
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module.exit_json(
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command=print_cli,
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stdout=out.strip(),
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msg="%s operation completed" % command,
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changed=True
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)
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else:
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module.exit_json(
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command=print_cli,
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msg="%s operation completed" % command,
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changed=True
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)
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def get_command_from_state(state):
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"""
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This method gets appropriate command name for the state specified. It
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returns the command name for the specified state.
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:param state: The state for which the respective command name is required.
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"""
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command = None
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if state == 'present':
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command = 'trunk-create'
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if state == 'absent':
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command = 'trunk-delete'
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if state == 'update':
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command = 'trunk-modify'
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return command
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def main():
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""" This portion is for arguments parsing """
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module = AnsibleModule(
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argument_spec=dict(
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pn_cliusername=dict(required=False, type='str'),
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pn_clipassword=dict(required=False, type='str', no_log=True),
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pn_cliswitch=dict(required=False, type='str', default='local'),
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state=dict(required=True, type='str',
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choices=['present', 'absent', 'update']),
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pn_name=dict(required=True, type='str'),
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pn_ports=dict(type='str'),
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pn_speed=dict(type='str',
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choices=['disable', '10m', '100m', '1g', '2.5g',
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'10g', '40g']),
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pn_egress_rate_limit=dict(type='str'),
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pn_jumbo=dict(type='bool'),
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pn_lacp_mode=dict(type='str', choices=[
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'off', 'passive', 'active']),
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pn_lacp_priority=dict(type='int'),
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pn_lacp_timeout=dict(type='str'),
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pn_lacp_fallback=dict(type='str', choices=[
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'bundle', 'individual']),
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pn_lacp_fallback_timeout=dict(type='str'),
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pn_edge_switch=dict(type='bool'),
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pn_pause=dict(type='bool'),
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pn_description=dict(type='str'),
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pn_loopback=dict(type='bool'),
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pn_mirror_receive=dict(type='bool'),
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pn_unknown_ucast_level=dict(type='str'),
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pn_unknown_mcast_level=dict(type='str'),
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pn_broadcast_level=dict(type='str'),
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pn_port_macaddr=dict(type='str'),
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pn_loopvlans=dict(type='str'),
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pn_routing=dict(type='bool'),
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pn_host=dict(type='bool')
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),
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required_if=(
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["state", "present", ["pn_name", "pn_ports"]],
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["state", "absent", ["pn_name"]],
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["state", "update", ["pn_name"]]
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)
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)
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# Accessing the arguments
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state = module.params['state']
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name = module.params['pn_name']
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ports = module.params['pn_ports']
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speed = module.params['pn_speed']
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egress_rate_limit = module.params['pn_egress_rate_limit']
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jumbo = module.params['pn_jumbo']
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lacp_mode = module.params['pn_lacp_mode']
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lacp_priority = module.params['pn_lacp_priority']
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lacp_timeout = module.params['pn_lacp_timeout']
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lacp_fallback = module.params['pn_lacp_fallback']
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lacp_fallback_timeout = module.params['pn_lacp_fallback_timeout']
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edge_switch = module.params['pn_edge_switch']
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pause = module.params['pn_pause']
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description = module.params['pn_description']
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loopback = module.params['pn_loopback']
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mirror_receive = module.params['pn_mirror_receive']
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unknown_ucast_level = module.params['pn_unknown_ucast_level']
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unknown_mcast_level = module.params['pn_unknown_mcast_level']
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broadcast_level = module.params['pn_broadcast_level']
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port_macaddr = module.params['pn_port_macaddr']
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loopvlans = module.params['pn_loopvlans']
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routing = module.params['pn_routing']
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host = module.params['pn_host']
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command = get_command_from_state(state)
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# Building the CLI command string
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cli = pn_cli(module)
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if command == 'trunk-delete':
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check_cli(module, cli)
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if TRUNK_EXISTS is False:
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module.exit_json(
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skipped=True,
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msg='Trunk with name %s does not exist' % name
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)
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cli += ' %s name %s ' % (command, name)
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else:
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if command == 'trunk-create':
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check_cli(module, cli)
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if TRUNK_EXISTS is True:
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module.exit_json(
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skipped=True,
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msg='Trunk with name %s already exists' % name
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)
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cli += ' %s name %s ' % (command, name)
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# Appending options
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if ports:
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cli += ' ports ' + ports
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if speed:
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cli += ' speed ' + speed
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if egress_rate_limit:
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cli += ' egress-rate-limit ' + egress_rate_limit
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if jumbo is True:
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cli += ' jumbo '
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if jumbo is False:
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cli += ' no-jumbo '
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if lacp_mode:
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cli += ' lacp-mode ' + lacp_mode
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if lacp_priority:
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cli += ' lacp-priority ' + lacp_priority
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if lacp_timeout:
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cli += ' lacp-timeout ' + lacp_timeout
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if lacp_fallback:
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cli += ' lacp-fallback ' + lacp_fallback
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if lacp_fallback_timeout:
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cli += ' lacp-fallback-timeout ' + lacp_fallback_timeout
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if edge_switch is True:
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cli += ' edge-switch '
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if edge_switch is False:
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cli += ' no-edge-switch '
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if pause is True:
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cli += ' pause '
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if pause is False:
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cli += ' no-pause '
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if description:
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cli += ' description ' + description
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if loopback is True:
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cli += ' loopback '
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if loopback is False:
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cli += ' no-loopback '
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if mirror_receive is True:
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cli += ' mirror-receive-only '
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if mirror_receive is False:
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cli += ' no-mirror-receive-only '
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if unknown_ucast_level:
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cli += ' unknown-ucast-level ' + unknown_ucast_level
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if unknown_mcast_level:
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cli += ' unknown-mcast-level ' + unknown_mcast_level
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if broadcast_level:
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cli += ' broadcast-level ' + broadcast_level
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if port_macaddr:
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cli += ' port-mac-address ' + port_macaddr
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if loopvlans:
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cli += ' loopvlans ' + loopvlans
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if routing is True:
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cli += ' routing '
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if routing is False:
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cli += ' no-routing '
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if host is True:
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cli += ' host-enable '
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if host is False:
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cli += ' host-disable '
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run_cli(module, cli)
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# Ansible boiler-plate
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from ansible.module_utils.basic import AnsibleModule
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if __name__ == '__main__':
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main()
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