mirror of
https://github.com/thegeeklab/ansible-later.git
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419 lines
13 KiB
Python
419 lines
13 KiB
Python
#!/usr/bin/python
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""" PN CLI vrouter-create/vrouter-delete/vrouter-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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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
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author: "Pluribus Networks (@amitsi)"
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version_added: "2.2"
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short_description: CLI command to create/delete/modify a vrouter.
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description:
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- Execute vrouter-create, vrouter-delete, vrouter-modify command.
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- Each fabric, cluster, standalone switch, or virtual network (VNET) can
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provide its tenants with a virtual router (vRouter) service that forwards
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traffic between networks and implements Layer 3 protocols.
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- C(vrouter-create) creates a new vRouter service.
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- C(vrouter-delete) deletes a vRouter service.
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- C(vrouter-modify) modifies a vRouter service.
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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 vrouter,
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'absent' to delete vrouter and 'update' to modify vrouter.
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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 of the vRouter.
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required: true
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pn_vnet:
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description:
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- Specify the name of the VNET.
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- Required for vrouter-create.
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pn_service_type:
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description:
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- Specify if the vRouter is a dedicated or shared VNET service.
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choices: ['dedicated', 'shared']
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pn_service_state:
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description:
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- Specify to enable or disable vRouter service.
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choices: ['enable', 'disable']
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pn_router_type:
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description:
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- Specify if the vRouter uses software or hardware.
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- Note that if you specify hardware as router type, you cannot assign IP
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addresses using DHCP. You must specify a static IP address.
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choices: ['hardware', 'software']
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pn_hw_vrrp_id:
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description:
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- Specifies the VRRP ID for a hardware vrouter.
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pn_router_id:
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description:
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- Specify the vRouter IP address.
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pn_bgp_as:
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description:
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- Specify the Autonomous System Number(ASN) if the vRouter runs Border
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Gateway Protocol(BGP).
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pn_bgp_redistribute:
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description:
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- Specify how BGP routes are redistributed.
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choices: ['static', 'connected', 'rip', 'ospf']
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pn_bgp_max_paths:
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description:
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- Specify the maximum number of paths for BGP. This is a number between
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1 and 255 or 0 to unset.
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pn_bgp_options:
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description:
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- Specify other BGP options as a whitespaces separated string within
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single quotes ''.
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pn_rip_redistribute:
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description:
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- Specify how RIP routes are redistributed.
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choices: ['static', 'connected', 'ospf', 'bgp']
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pn_ospf_redistribute:
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description:
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- Specify how OSPF routes are redistributed.
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choices: ['static', 'connected', 'bgp', 'rip']
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pn_ospf_options:
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description:
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- Specify other OSPF options as a whitespaces separated string within
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single quotes ''.
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"""
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EXAMPLES = """
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- name: create vrouter
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pn_vrouter:
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state: 'present'
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pn_name: 'ansible-vrouter'
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pn_vnet: 'ansible-fab-global'
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pn_router_id: 208.74.182.1
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- name: delete vrouter
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pn_vrouter:
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state: 'absent'
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pn_name: 'ansible-vrouter'
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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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returned: always
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type: str
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stdout:
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description: The set of responses from the vrouter 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 vrouter 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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import shlex
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# AnsibleModule boilerplate
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from ansible.module_utils.basic import AnsibleModule
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VROUTER_EXISTS = None
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VROUTER_NAME_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 vlan-show command.
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A switch can have only one vRouter configuration.
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If a vRouter already exists on the given switch, return VROUTER_EXISTS as
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True else False.
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If a vRouter with the given name exists(on a different switch), return
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VROUTER_NAME_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: VROUTER_EXISTS, VROUTER_NAME_EXISTS
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"""
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name = module.params['pn_name']
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# Global flags
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global VROUTER_EXISTS, VROUTER_NAME_EXISTS
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# Get the name of the local switch
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location = cli + ' switch-setup-show format switch-name'
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location = shlex.split(location)
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out = module.run_command(location)[1]
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location = out.split()[1]
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# Check for any vRouters on the switch
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check_vrouter = cli + ' vrouter-show location %s ' % location
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check_vrouter += 'format name no-show-headers'
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check_vrouter = shlex.split(check_vrouter)
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out = module.run_command(check_vrouter)[1]
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if out:
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VROUTER_EXISTS = True
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else:
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VROUTER_EXISTS = False
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# Check for any vRouters with the given name
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show = cli + ' vrouter-show format 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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if name in out:
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VROUTER_NAME_EXISTS = True
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else:
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VROUTER_NAME_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 = 'vrouter-create'
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if state == 'absent':
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command = 'vrouter-delete'
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if state == 'update':
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command = 'vrouter-modify'
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return command
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def main():
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""" This section 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_vnet=dict(type='str'),
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pn_service_type=dict(type='str', choices=['dedicated', 'shared']),
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pn_service_state=dict(type='str', choices=['enable', 'disable']),
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pn_router_type=dict(type='str', choices=['hardware', 'software']),
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pn_hw_vrrp_id=dict(type='int'),
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pn_router_id=dict(type='str'),
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pn_bgp_as=dict(type='int'),
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pn_bgp_redistribute=dict(type='str', choices=['static', 'connected',
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'rip', 'ospf']),
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pn_bgp_max_paths=dict(type='int'),
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pn_bgp_options=dict(type='str'),
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pn_rip_redistribute=dict(type='str', choices=['static', 'connected',
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'bgp', 'ospf']),
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pn_ospf_redistribute=dict(type='str', choices=['static', 'connected',
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'bgp', 'rip']),
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pn_ospf_options=dict(type='str'),
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pn_vrrp_track_port=dict(type='str')
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),
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required_if=(
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["state", "present", ["pn_name", "pn_vnet"]],
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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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vnet = module.params['pn_vnet']
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service_type = module.params['pn_service_type']
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service_state = module.params['pn_service_state']
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router_type = module.params['pn_router_type']
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hw_vrrp_id = module.params['pn_hw_vrrp_id']
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router_id = module.params['pn_router_id']
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bgp_as = module.params['pn_bgp_as']
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bgp_redistribute = module.params['pn_bgp_redistribute']
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bgp_max_paths = module.params['pn_bgp_max_paths']
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bgp_options = module.params['pn_bgp_options']
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rip_redistribute = module.params['pn_rip_redistribute']
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ospf_redistribute = module.params['pn_ospf_redistribute']
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ospf_options = module.params['pn_ospf_options']
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vrrp_track_port = module.params['pn_vrrp_track_port']
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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 == 'vrouter-delete':
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check_cli(module, cli)
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if VROUTER_NAME_EXISTS is False:
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module.exit_json(
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skipped=True,
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msg='vRouter 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 == 'vrouter-create':
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check_cli(module, cli)
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if VROUTER_EXISTS is True:
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module.exit_json(
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skipped=True,
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msg='Maximum number of vRouters has been reached on this '
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'switch'
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)
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if VROUTER_NAME_EXISTS is True:
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module.exit_json(
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skipped=True,
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msg='vRouter with name %s already exists' % name
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)
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cli += ' %s name %s ' % (command, name)
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if vnet:
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cli += ' vnet ' + vnet
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if service_type:
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cli += ' %s-vnet-service ' % service_type
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if service_state:
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cli += ' ' + service_state
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if router_type:
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cli += ' router-type ' + router_type
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if hw_vrrp_id:
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cli += ' hw-vrrp-id ' + str(hw_vrrp_id)
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if router_id:
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cli += ' router-id ' + router_id
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if bgp_as:
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cli += ' bgp-as ' + str(bgp_as)
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if bgp_redistribute:
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cli += ' bgp-redistribute ' + bgp_redistribute
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if bgp_max_paths:
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cli += ' bgp-max-paths ' + str(bgp_max_paths)
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if bgp_options:
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cli += ' %s ' % bgp_options
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if rip_redistribute:
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cli += ' rip-redistribute ' + rip_redistribute
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if ospf_redistribute:
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cli += ' ospf-redistribute ' + ospf_redistribute
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if ospf_options:
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cli += ' %s ' % ospf_options
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if vrrp_track_port:
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cli += ' vrrp-track-port ' + vrrp_track_port
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run_cli(module, cli)
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if __name__ == '__main__':
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main()
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