357 lines
11 KiB
Python
357 lines
11 KiB
Python
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# (c) 2017, Ansible by Red Hat, inc
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#
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# This file is part of Ansible by Red Hat
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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': 'network'}
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DOCUMENTATION = """
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---
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module: eos_vlan
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version_added: "2.4"
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author: "Ricardo Carrillo Cruz (@rcarrillocruz)"
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short_description: Manage VLANs on Arista EOS network devices
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description:
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- This module provides declarative management of VLANs
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on Arista EOS network devices.
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notes:
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- Tested against EOS 4.15
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options:
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name:
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description:
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- Name of the VLAN.
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vlan_id:
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description:
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- ID of the VLAN.
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required: true
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interfaces:
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description:
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- List of interfaces that should be associated to the VLAN. The name of interface is
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case sensitive and should be in expanded format and not abbreviated.
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associated_interfaces:
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description:
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- This is a intent option and checks the operational state of the for given vlan C(name)
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for associated interfaces. The name of interface is case sensitive and should be in
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expanded format and not abbreviated. If the value in the C(associated_interfaces)
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does not match with the operational state of vlan interfaces on device it will result in failure.
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version_added: "2.5"
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delay:
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description:
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- Delay the play should wait to check for declarative intent params values.
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default: 10
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aggregate:
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description: List of VLANs definitions.
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purge:
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description:
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- Purge VLANs not defined in the I(aggregate) parameter.
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default: no
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type: bool
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state:
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description:
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- State of the VLAN configuration.
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default: present
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choices: ['present', 'absent', 'active', 'suspend']
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extends_documentation_fragment: eos
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"""
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EXAMPLES = """
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- name: Create vlan
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eos_vlan:
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vlan_id: 4000
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name: vlan-4000
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state: present
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- name: Add interfaces to vlan
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eos_vlan:
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vlan_id: 4000
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state: present
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interfaces:
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- Ethernet1
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- Ethernet2
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- name: Check if interfaces is assigned to vlan
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eos_vlan:
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vlan_id: 4000
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associated_interfaces:
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- Ethernet1
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- Ethernet2
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- name: Suspend vlan
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eos_vlan:
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vlan_id: 4000
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state: suspend
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- name: Unsuspend vlan
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eos_vlan:
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vlan_id: 4000
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state: active
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- name: Create aggregate of vlans
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eos_vlan:
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aggregate:
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- vlan_id: 4000
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- {vlan_id: 4001, name: vlan-4001}
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"""
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RETURN = """
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commands:
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description: The list of configuration mode commands to send to the device
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returned: always
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type: list
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sample:
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- vlan 20
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- name test-vlan
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"""
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import re
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import time
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from copy import deepcopy
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from ansible.module_utils.basic import AnsibleModule
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from ansible.module_utils.network.common.utils import remove_default_spec
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from ansible.module_utils.network.eos.eos import load_config, run_commands
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from ansible.module_utils.network.eos.eos import eos_argument_spec, check_args
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def search_obj_in_list(vlan_id, lst):
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for o in lst:
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if o['vlan_id'] == vlan_id:
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return o
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def map_obj_to_commands(updates, module):
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commands = list()
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want, have = updates
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purge = module.params['purge']
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for w in want:
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vlan_id = w['vlan_id']
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name = w['name']
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state = w['state']
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interfaces = w['interfaces']
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obj_in_have = search_obj_in_list(vlan_id, have)
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if state == 'absent':
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if obj_in_have:
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commands.append('no vlan %s' % w['vlan_id'])
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elif state == 'present':
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if not obj_in_have:
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commands.append('vlan %s' % w['vlan_id'])
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if w['name']:
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commands.append('name %s' % w['name'])
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if w['interfaces']:
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for i in w['interfaces']:
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commands.append('interface %s' % i)
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commands.append('switchport access vlan %s' % w['vlan_id'])
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else:
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if w['name'] and w['name'] != obj_in_have['name']:
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commands.append('vlan %s' % w['vlan_id'])
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commands.append('name %s' % w['name'])
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if w['interfaces']:
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if not obj_in_have['interfaces']:
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for i in w['interfaces']:
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commands.append('vlan %s' % w['vlan_id'])
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commands.append('interface %s' % i)
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commands.append('switchport access vlan %s' % w['vlan_id'])
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elif set(w['interfaces']) != obj_in_have['interfaces']:
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missing_interfaces = list(set(w['interfaces']) - set(obj_in_have['interfaces']))
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for i in missing_interfaces:
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commands.append('vlan %s' % w['vlan_id'])
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commands.append('interface %s' % i)
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commands.append('switchport access vlan %s' % w['vlan_id'])
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superfluous_interfaces = list(set(obj_in_have['interfaces']) - set(w['interfaces']))
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for i in superfluous_interfaces:
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commands.append('vlan %s' % w['vlan_id'])
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commands.append('interface %s' % i)
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commands.append('no switchport access vlan %s' % w['vlan_id'])
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else:
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if not obj_in_have:
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commands.append('vlan %s' % w['vlan_id'])
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if w['name']:
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commands.append('name %s' % w['name'])
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commands.append('state %s' % w['state'])
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elif (w['name'] and obj_in_have['name'] != w['name']) or obj_in_have['state'] != w['state']:
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commands.append('vlan %s' % w['vlan_id'])
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if w['name']:
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if obj_in_have['name'] != w['name']:
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commands.append('name %s' % w['name'])
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if obj_in_have['state'] != w['state']:
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commands.append('state %s' % w['state'])
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if purge:
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for h in have:
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obj_in_want = search_obj_in_list(h['vlan_id'], want)
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if not obj_in_want and h['vlan_id'] != '1':
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commands.append('no vlan %s' % h['vlan_id'])
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return commands
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def map_config_to_obj(module):
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objs = []
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vlans = run_commands(module, ['show vlan configured-ports | json'])
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for vlan in vlans[0]['vlans']:
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obj = {}
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obj['vlan_id'] = vlan
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obj['name'] = vlans[0]['vlans'][vlan]['name']
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obj['state'] = vlans[0]['vlans'][vlan]['status']
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obj['interfaces'] = []
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interfaces = vlans[0]['vlans'][vlan]
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for interface in interfaces['interfaces']:
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obj['interfaces'].append(interface)
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if obj['state'] == 'suspended':
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obj['state'] = 'suspend'
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objs.append(obj)
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return objs
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def map_params_to_obj(module):
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obj = []
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aggregate = module.params.get('aggregate')
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if aggregate:
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for item in aggregate:
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for key in item:
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if item.get(key) is None:
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item[key] = module.params[key]
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if item.get('interfaces'):
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item['interfaces'] = [intf.replace(" ", "") for intf in item.get('interfaces') if intf]
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if item.get('associated_interfaces'):
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item['associated_interfaces'] = [intf.replace(" ", "") for intf in item.get('associated_interfaces') if intf]
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d = item.copy()
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d['vlan_id'] = str(d['vlan_id'])
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obj.append(d)
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else:
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obj.append({
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'vlan_id': str(module.params['vlan_id']),
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'name': module.params['name'],
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'state': module.params['state'],
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'interfaces': [intf.replace(" ", "") for intf in module.params['interfaces']] if module.params['interfaces'] else [],
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'associated_interfaces': [intf.replace(" ", "") for intf in
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module.params['associated_interfaces']] if module.params['associated_interfaces'] else []
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})
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return obj
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def check_declarative_intent_params(want, module, result):
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have = None
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is_delay = False
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for w in want:
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if w.get('associated_interfaces') is None:
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continue
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if result['changed'] and not is_delay:
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time.sleep(module.params['delay'])
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is_delay = True
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if have is None:
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have = map_config_to_obj(module)
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for i in w['associated_interfaces']:
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obj_in_have = search_obj_in_list(w['vlan_id'], have)
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if obj_in_have and 'interfaces' in obj_in_have and i not in obj_in_have['interfaces']:
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module.fail_json(msg="Interface %s not configured on vlan %s" % (i, w['vlan_id']))
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def main():
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""" main entry point for module execution
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"""
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element_spec = dict(
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vlan_id=dict(type='int'),
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name=dict(),
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interfaces=dict(type='list'),
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associated_interfaces=dict(type='list'),
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delay=dict(default=10, type='int'),
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state=dict(default='present',
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choices=['present', 'absent', 'active', 'suspend'])
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)
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aggregate_spec = deepcopy(element_spec)
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aggregate_spec['vlan_id'] = dict(required=True)
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# remove default in aggregate spec, to handle common arguments
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remove_default_spec(aggregate_spec)
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argument_spec = dict(
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aggregate=dict(type='list', elements='dict', options=aggregate_spec),
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purge=dict(default=False, type='bool')
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)
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argument_spec.update(element_spec)
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argument_spec.update(eos_argument_spec)
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required_one_of = [['vlan_id', 'aggregate']]
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mutually_exclusive = [['vlan_id', 'aggregate']]
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module = AnsibleModule(argument_spec=argument_spec,
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supports_check_mode=True,
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required_one_of=required_one_of,
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mutually_exclusive=mutually_exclusive)
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warnings = list()
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check_args(module, warnings)
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result = {'changed': False}
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if warnings:
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result['warnings'] = warnings
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want = map_params_to_obj(module)
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have = map_config_to_obj(module)
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commands = map_obj_to_commands((want, have), module)
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result['commands'] = commands
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if commands:
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commit = not module.check_mode
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response = load_config(module, commands, commit=commit)
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if response.get('diff') and module._diff:
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result['diff'] = {'prepared': response.get('diff')}
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result['session_name'] = response.get('session')
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result['changed'] = True
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check_declarative_intent_params(want, module, result)
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module.exit_json(**result)
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if __name__ == '__main__':
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main()
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