mirror of
https://github.com/thegeeklab/ansible-later.git
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696 lines
26 KiB
Python
696 lines
26 KiB
Python
#!/usr/bin/python
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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': 'network'}
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DOCUMENTATION = '''
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---
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module: nxos_bgp_neighbor_af
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extends_documentation_fragment: nxos
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version_added: "2.2"
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short_description: Manages BGP address-family's neighbors configuration.
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description:
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- Manages BGP address-family's neighbors configurations on NX-OS switches.
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author: Gabriele Gerbino (@GGabriele)
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notes:
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- Tested against NXOSv 7.3.(0)D1(1) on VIRL
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- C(state=absent) removes the whole BGP address-family's
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neighbor configuration.
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- Default, when supported, removes properties
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- In order to default maximum-prefix configuration, only
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C(max_prefix_limit=default) is needed.
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options:
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asn:
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description:
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- BGP autonomous system number. Valid values are String,
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Integer in ASPLAIN or ASDOT notation.
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required: true
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vrf:
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description:
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- Name of the VRF. The name 'default' is a valid VRF representing
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the global bgp.
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default: default
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neighbor:
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description:
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- Neighbor Identifier. Valid values are string. Neighbors may use
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IPv4 or IPv6 notation, with or without prefix length.
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required: true
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afi:
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description:
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- Address Family Identifier.
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required: true
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choices: ['ipv4','ipv6', 'vpnv4', 'vpnv6', 'l2vpn']
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safi:
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description:
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- Sub Address Family Identifier.
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required: true
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choices: ['unicast','multicast', 'evpn']
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additional_paths_receive:
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description:
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- Valid values are enable for basic command enablement; disable
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for disabling the command at the neighbor af level
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(it adds the disable keyword to the basic command); and inherit
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to remove the command at this level (the command value is
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inherited from a higher BGP layer).
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choices: ['enable','disable', 'inherit']
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additional_paths_send:
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description:
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- Valid values are enable for basic command enablement; disable
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for disabling the command at the neighbor af level
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(it adds the disable keyword to the basic command); and inherit
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to remove the command at this level (the command value is
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inherited from a higher BGP layer).
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choices: ['enable','disable', 'inherit']
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advertise_map_exist:
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description:
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- Conditional route advertisement. This property requires two
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route maps, an advertise-map and an exist-map. Valid values are
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an array specifying both the advertise-map name and the exist-map
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name, or simply 'default' e.g. ['my_advertise_map',
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'my_exist_map']. This command is mutually exclusive with the
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advertise_map_non_exist property.
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advertise_map_non_exist:
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description:
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- Conditional route advertisement. This property requires two
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route maps, an advertise-map and an exist-map. Valid values are
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an array specifying both the advertise-map name and the
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non-exist-map name, or simply 'default' e.g.
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['my_advertise_map', 'my_non_exist_map']. This command is mutually
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exclusive with the advertise_map_exist property.
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allowas_in:
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description:
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- Activate allowas-in property
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allowas_in_max:
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description:
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- Max-occurrences value for allowas_in. Valid values are
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an integer value or 'default'. This is mutually exclusive with
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allowas_in.
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as_override:
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description:
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- Activate the as-override feature.
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type: bool
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default_originate:
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description:
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- Activate the default-originate feature.
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type: bool
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default_originate_route_map:
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description:
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- Route-map for the default_originate property.
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Valid values are a string defining a route-map name,
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or 'default'. This is mutually exclusive with
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default_originate.
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disable_peer_as_check:
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description:
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- Disable checking of peer AS-number while advertising
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type: bool
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version_added: 2.5
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filter_list_in:
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description:
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- Valid values are a string defining a filter-list name,
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or 'default'.
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filter_list_out:
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description:
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- Valid values are a string defining a filter-list name,
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or 'default'.
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max_prefix_limit:
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description:
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- maximum-prefix limit value. Valid values are an integer value
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or 'default'.
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max_prefix_interval:
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description:
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- Optional restart interval. Valid values are an integer.
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Requires max_prefix_limit. May not be combined with max_prefix_warning.
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max_prefix_threshold:
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description:
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- Optional threshold percentage at which to generate a warning.
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Valid values are an integer value.
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Requires max_prefix_limit.
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max_prefix_warning:
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description:
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- Optional warning-only keyword. Requires max_prefix_limit. May not be
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combined with max_prefix_interval.
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type: bool
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next_hop_self:
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description:
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- Activate the next-hop-self feature.
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type: bool
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next_hop_third_party:
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description:
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- Activate the next-hop-third-party feature.
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type: bool
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prefix_list_in:
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description:
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- Valid values are a string defining a prefix-list name,
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or 'default'.
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prefix_list_out:
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description:
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- Valid values are a string defining a prefix-list name,
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or 'default'.
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route_map_in:
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description:
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- Valid values are a string defining a route-map name,
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or 'default'.
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route_map_out:
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description:
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- Valid values are a string defining a route-map name,
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or 'default'.
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route_reflector_client:
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description:
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- Router reflector client.
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type: bool
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send_community:
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description:
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- send-community attribute.
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choices: ['none', 'both', 'extended', 'standard', 'default']
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soft_reconfiguration_in:
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description:
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- Valid values are 'enable' for basic command enablement; 'always'
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to add the always keyword to the basic command; and 'inherit' to
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remove the command at this level (the command value is inherited
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from a higher BGP layer).
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choices: ['enable','always','inherit']
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soo:
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description:
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- Site-of-origin. Valid values are a string defining a VPN
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extcommunity or 'default'.
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suppress_inactive:
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description:
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- suppress-inactive feature.
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type: bool
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unsuppress_map:
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description:
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- unsuppress-map. Valid values are a string defining a route-map
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name or 'default'.
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weight:
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description:
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- Weight value. Valid values are an integer value or 'default'.
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state:
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description:
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- Determines whether the config should be present or not
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on the device.
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default: present
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choices: ['present','absent']
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'''
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EXAMPLES = '''
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- name: configure RR client
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nxos_bgp_neighbor_af:
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asn: 65535
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neighbor: '192.0.2.3'
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afi: ipv4
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safi: unicast
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route_reflector_client: true
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state: present
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'''
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RETURN = '''
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commands:
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description: commands sent to the device
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returned: always
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type: list
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sample: ["router bgp 65535", "neighbor 192.0.2.3",
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"address-family ipv4 unicast", "route-reflector-client"]
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'''
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import re
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from ansible.module_utils.network.nxos.nxos import get_config, load_config
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from ansible.module_utils.network.nxos.nxos import nxos_argument_spec, check_args
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from ansible.module_utils.basic import AnsibleModule
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from ansible.module_utils.network.common.config import CustomNetworkConfig
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BOOL_PARAMS = [
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'allowas_in',
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'as_override',
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'default_originate',
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'disable_peer_as_check',
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'next_hop_self',
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'next_hop_third_party',
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'route_reflector_client',
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'suppress_inactive'
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]
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PARAM_TO_COMMAND_KEYMAP = {
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'afi': 'address-family',
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'asn': 'router bgp',
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'neighbor': 'neighbor',
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'additional_paths_receive': 'capability additional-paths receive',
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'additional_paths_send': 'capability additional-paths send',
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'advertise_map_exist': 'advertise-map exist-map',
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'advertise_map_non_exist': 'advertise-map non-exist-map',
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'allowas_in': 'allowas-in',
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'allowas_in_max': 'allowas-in',
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'as_override': 'as-override',
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'default_originate': 'default-originate',
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'default_originate_route_map': 'default-originate route-map',
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'disable_peer_as_check': 'disable-peer-as-check',
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'filter_list_in': 'filter-list in',
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'filter_list_out': 'filter-list out',
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'max_prefix_limit': 'maximum-prefix',
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'max_prefix_interval': 'maximum-prefix interval',
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'max_prefix_threshold': 'maximum-prefix threshold',
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'max_prefix_warning': 'maximum-prefix warning',
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'next_hop_self': 'next-hop-self',
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'next_hop_third_party': 'next-hop-third-party',
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'prefix_list_in': 'prefix-list in',
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'prefix_list_out': 'prefix-list out',
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'route_map_in': 'route-map in',
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'route_map_out': 'route-map out',
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'route_reflector_client': 'route-reflector-client',
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'safi': 'address-family',
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'send_community': 'send-community',
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'soft_reconfiguration_in': 'soft-reconfiguration inbound',
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'soo': 'soo',
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'suppress_inactive': 'suppress-inactive',
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'unsuppress_map': 'unsuppress-map',
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'weight': 'weight',
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'vrf': 'vrf'
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}
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def get_value(arg, config, module):
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custom = [
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'additional_paths_send',
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'additional_paths_receive',
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'max_prefix_limit',
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'max_prefix_interval',
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'max_prefix_threshold',
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'max_prefix_warning',
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'send_community',
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'soft_reconfiguration_in'
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]
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command = PARAM_TO_COMMAND_KEYMAP[arg]
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has_command = re.search(r'^\s+{0}\s*'.format(command), config, re.M)
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has_command_val = re.search(r'(?:{0}\s)(?P<value>.*)$'.format(command), config, re.M)
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value = ''
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if arg in custom:
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value = get_custom_value(arg, config, module)
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elif arg == 'next_hop_third_party':
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has_no_command = re.search(r'^\s+no\s+{0}\s*$'.format(command), config, re.M)
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value = False
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if not has_no_command:
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value = True
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elif arg in BOOL_PARAMS:
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value = False
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if has_command:
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value = True
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elif command.startswith('advertise-map'):
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value = []
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has_adv_map = re.search(r'{0}\s(?P<value1>.*)\s{1}\s(?P<value2>.*)$'.format(*command.split()), config, re.M)
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if has_adv_map:
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value = list(has_adv_map.groups())
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elif command.split()[0] in ['filter-list', 'prefix-list', 'route-map']:
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has_cmd_direction_val = re.search(r'{0}\s(?P<value>.*)\s{1}$'.format(*command.split()), config, re.M)
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if has_cmd_direction_val:
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value = has_cmd_direction_val.group('value')
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elif has_command_val:
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value = has_command_val.group('value')
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return value
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def get_custom_value(arg, config, module):
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command = PARAM_TO_COMMAND_KEYMAP.get(arg)
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splitted_config = config.splitlines()
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value = ''
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command_re = re.compile(r'\s+{0}\s*'.format(command), re.M)
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has_command = command_re.search(config)
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command_val_re = re.compile(r'(?:{0}\s)(?P<value>.*)$'.format(command), re.M)
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has_command_val = command_val_re.search(config)
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if arg.startswith('additional_paths'):
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value = 'inherit'
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for line in splitted_config:
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if command in line:
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if 'disable' in line:
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value = 'disable'
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else:
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value = 'enable'
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elif arg.startswith('max_prefix'):
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for line in splitted_config:
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if 'maximum-prefix' in line:
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splitted_line = line.split()
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if arg == 'max_prefix_limit':
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value = splitted_line[1]
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elif arg == 'max_prefix_interval' and 'restart' in line:
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value = splitted_line[-1]
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elif arg == 'max_prefix_threshold' and len(splitted_line) > 2:
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try:
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int(splitted_line[2])
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value = splitted_line[2]
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except ValueError:
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value = ''
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elif arg == 'max_prefix_warning':
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value = 'warning-only' in line
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elif arg == 'soft_reconfiguration_in':
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value = 'inherit'
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for line in splitted_config:
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if command in line:
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if 'always' in line:
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value = 'always'
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else:
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value = 'enable'
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elif arg == 'send_community':
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value = 'none'
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for line in splitted_config:
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if command in line:
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if 'extended' in line:
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if value == 'standard':
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value = 'both'
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else:
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value = 'extended'
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elif 'both' in line:
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value = 'both'
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else:
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value = 'standard'
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return value
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def get_existing(module, args, warnings):
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existing = {}
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netcfg = CustomNetworkConfig(indent=2, contents=get_config(module))
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asn_regex = re.compile(r'.*router\sbgp\s(?P<existing_asn>\d+(\.\d+)?).*', re.S)
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match_asn = asn_regex.match(str(netcfg))
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if match_asn:
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existing_asn = match_asn.group('existing_asn')
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parents = ["router bgp {0}".format(existing_asn)]
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if module.params['vrf'] != 'default':
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parents.append('vrf {0}'.format(module.params['vrf']))
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parents.append('neighbor {0}'.format(module.params['neighbor']))
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parents.append('address-family {0} {1}'.format(module.params['afi'], module.params['safi']))
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config = netcfg.get_section(parents)
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if config:
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for arg in args:
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if arg not in ['asn', 'vrf', 'neighbor', 'afi', 'safi']:
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existing[arg] = get_value(arg, config, module)
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existing['asn'] = existing_asn
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existing['neighbor'] = module.params['neighbor']
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existing['vrf'] = module.params['vrf']
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existing['afi'] = module.params['afi']
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existing['safi'] = module.params['safi']
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else:
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warnings.append("The BGP process didn't exist but the task just created it.")
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return existing
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def apply_key_map(key_map, table):
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new_dict = {}
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for key in table:
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new_key = key_map.get(key)
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if new_key:
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new_dict[new_key] = table.get(key)
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return new_dict
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def get_default_command(key, value, existing_commands):
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command = ''
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if existing_commands.get(key):
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existing_value = existing_commands.get(key)
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if value == 'inherit':
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if existing_value != 'inherit':
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command = 'no {0}'.format(key)
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else:
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if key == 'advertise-map exist-map':
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command = 'no advertise-map {0} exist-map {1}'.format(
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existing_value[0], existing_value[1])
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elif key == 'advertise-map non-exist-map':
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command = 'no advertise-map {0} non-exist-map {1}'.format(
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existing_value[0], existing_value[1])
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elif key == 'filter-list in':
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command = 'no filter-list {0} in'.format(existing_value)
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elif key == 'filter-list out':
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command = 'no filter-list {0} out'.format(existing_value)
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elif key == 'prefix-list in':
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command = 'no prefix-list {0} in'.format(existing_value)
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elif key == 'prefix-list out':
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command = 'no prefix-list {0} out'.format(existing_value)
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elif key == 'route-map in':
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command = 'no route-map {0} in'.format(existing_value)
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elif key == 'route-map out':
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command = 'no route-map {0} out'.format(existing_value)
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elif key.startswith('maximum-prefix'):
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command = 'no maximum-prefix'
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elif key == 'allowas-in max':
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command = ['no allowas-in {0}'.format(existing_value)]
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command.append('allowas-in')
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else:
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command = 'no {0} {1}'.format(key, existing_value)
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else:
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if key.replace(' ', '_').replace('-', '_') in BOOL_PARAMS:
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command = 'no {0}'.format(key)
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return command
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def fix_proposed(module, existing, proposed):
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allowas_in = proposed.get('allowas_in')
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allowas_in_max = proposed.get('allowas_in_max')
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if allowas_in_max and not allowas_in:
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proposed.pop('allowas_in_max')
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elif allowas_in and allowas_in_max:
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proposed.pop('allowas_in')
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if existing.get('send_community') == 'none' and proposed.get('send_community') == 'default':
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proposed.pop('send_community')
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return proposed
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def state_present(module, existing, proposed, candidate):
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commands = list()
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proposed = fix_proposed(module, existing, proposed)
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|
|
|
proposed_commands = apply_key_map(PARAM_TO_COMMAND_KEYMAP, proposed)
|
|
existing_commands = apply_key_map(PARAM_TO_COMMAND_KEYMAP, existing)
|
|
for key, value in proposed_commands.items():
|
|
if value in ['inherit', 'default']:
|
|
command = get_default_command(key, value, existing_commands)
|
|
|
|
if isinstance(command, str):
|
|
if command and command not in commands:
|
|
commands.append(command)
|
|
elif isinstance(command, list):
|
|
for cmd in command:
|
|
if cmd not in commands:
|
|
commands.append(cmd)
|
|
|
|
elif key.startswith('maximum-prefix'):
|
|
if module.params['max_prefix_limit'] != 'default':
|
|
command = 'maximum-prefix {0}'.format(module.params['max_prefix_limit'])
|
|
if module.params['max_prefix_threshold']:
|
|
command += ' {0}'.format(module.params['max_prefix_threshold'])
|
|
if module.params['max_prefix_interval']:
|
|
command += ' restart {0}'.format(module.params['max_prefix_interval'])
|
|
elif module.params['max_prefix_warning']:
|
|
command += ' warning-only'
|
|
commands.append(command)
|
|
|
|
elif value is True:
|
|
commands.append(key)
|
|
elif value is False:
|
|
commands.append('no {0}'.format(key))
|
|
elif key == 'address-family':
|
|
commands.append("address-family {0} {1}".format(module.params['afi'], module.params['safi']))
|
|
elif key.startswith('capability additional-paths'):
|
|
command = key
|
|
if value == 'disable':
|
|
command += ' disable'
|
|
commands.append(command)
|
|
elif key.startswith('advertise-map'):
|
|
direction = key.split()[1]
|
|
commands.append('advertise-map {1} {0} {2}'.format(direction, *value))
|
|
elif key.split()[0] in ['filter-list', 'prefix-list', 'route-map']:
|
|
commands.append('{1} {0} {2}'.format(value, *key.split()))
|
|
|
|
elif key == 'soft-reconfiguration inbound':
|
|
command = ''
|
|
if value == 'enable':
|
|
command = key
|
|
elif value == 'always':
|
|
command = '{0} {1}'.format(key, value)
|
|
commands.append(command)
|
|
elif key == 'send-community':
|
|
command = key
|
|
if value in ['standard', 'extended']:
|
|
commands.append('no ' + key + ' both')
|
|
command += ' {0}'.format(value)
|
|
commands.append(command)
|
|
else:
|
|
command = '{0} {1}'.format(key, value)
|
|
commands.append(command)
|
|
|
|
if commands:
|
|
parents = ['router bgp {0}'.format(module.params['asn'])]
|
|
if module.params['vrf'] != 'default':
|
|
parents.append('vrf {0}'.format(module.params['vrf']))
|
|
|
|
parents.append('neighbor {0}'.format(module.params['neighbor']))
|
|
|
|
af_command = 'address-family {0} {1}'.format(
|
|
module.params['afi'], module.params['safi'])
|
|
parents.append(af_command)
|
|
if af_command in commands:
|
|
commands.remove(af_command)
|
|
candidate.add(commands, parents=parents)
|
|
|
|
|
|
def state_absent(module, existing, candidate):
|
|
commands = []
|
|
parents = ["router bgp {0}".format(module.params['asn'])]
|
|
if module.params['vrf'] != 'default':
|
|
parents.append('vrf {0}'.format(module.params['vrf']))
|
|
|
|
parents.append('neighbor {0}'.format(module.params['neighbor']))
|
|
commands.append('no address-family {0} {1}'.format(
|
|
module.params['afi'], module.params['safi']))
|
|
candidate.add(commands, parents=parents)
|
|
|
|
|
|
def main():
|
|
argument_spec = dict(
|
|
asn=dict(required=True, type='str'),
|
|
vrf=dict(required=False, type='str', default='default'),
|
|
neighbor=dict(required=True, type='str'),
|
|
afi=dict(required=True, type='str'),
|
|
safi=dict(required=True, type='str'),
|
|
additional_paths_receive=dict(required=False, type='str', choices=['enable', 'disable', 'inherit']),
|
|
additional_paths_send=dict(required=False, type='str', choices=['enable', 'disable', 'inherit']),
|
|
advertise_map_exist=dict(required=False, type='list'),
|
|
advertise_map_non_exist=dict(required=False, type='list'),
|
|
allowas_in=dict(required=False, type='bool'),
|
|
allowas_in_max=dict(required=False, type='str'),
|
|
as_override=dict(required=False, type='bool'),
|
|
default_originate=dict(required=False, type='bool'),
|
|
default_originate_route_map=dict(required=False, type='str'),
|
|
disable_peer_as_check=dict(required=False, type='bool'),
|
|
filter_list_in=dict(required=False, type='str'),
|
|
filter_list_out=dict(required=False, type='str'),
|
|
max_prefix_limit=dict(required=False, type='str'),
|
|
max_prefix_interval=dict(required=False, type='str'),
|
|
max_prefix_threshold=dict(required=False, type='str'),
|
|
max_prefix_warning=dict(required=False, type='bool'),
|
|
next_hop_self=dict(required=False, type='bool'),
|
|
next_hop_third_party=dict(required=False, type='bool'),
|
|
prefix_list_in=dict(required=False, type='str'),
|
|
prefix_list_out=dict(required=False, type='str'),
|
|
route_map_in=dict(required=False, type='str'),
|
|
route_map_out=dict(required=False, type='str'),
|
|
route_reflector_client=dict(required=False, type='bool'),
|
|
send_community=dict(required=False, choices=['none', 'both', 'extended', 'standard', 'default']),
|
|
soft_reconfiguration_in=dict(required=False, type='str', choices=['enable', 'always', 'inherit']),
|
|
soo=dict(required=False, type='str'),
|
|
suppress_inactive=dict(required=False, type='bool'),
|
|
unsuppress_map=dict(required=False, type='str'),
|
|
weight=dict(required=False, type='str'),
|
|
state=dict(choices=['present', 'absent'], default='present', required=False),
|
|
)
|
|
argument_spec.update(nxos_argument_spec)
|
|
|
|
module = AnsibleModule(
|
|
argument_spec=argument_spec,
|
|
mutually_exclusive=[['advertise_map_exist', 'advertise_map_non_exist'],
|
|
['max_prefix_interval', 'max_prefix_warning'],
|
|
['default_originate', 'default_originate_route_map'],
|
|
['allowas_in', 'allowas_in_max']],
|
|
supports_check_mode=True,
|
|
)
|
|
|
|
warnings = list()
|
|
check_args(module, warnings)
|
|
result = dict(changed=False, warnings=warnings)
|
|
|
|
state = module.params['state']
|
|
for key in ['max_prefix_interval', 'max_prefix_warning', 'max_prefix_threshold']:
|
|
if module.params[key] and not module.params['max_prefix_limit']:
|
|
module.fail_json(
|
|
msg='max_prefix_limit is required when using %s' % key
|
|
)
|
|
if module.params['vrf'] == 'default' and module.params['soo']:
|
|
module.fail_json(msg='SOO is only allowed in non-default VRF')
|
|
|
|
args = PARAM_TO_COMMAND_KEYMAP.keys()
|
|
existing = get_existing(module, args, warnings)
|
|
|
|
if existing.get('asn') and state == 'present':
|
|
if existing.get('asn') != module.params['asn']:
|
|
module.fail_json(msg='Another BGP ASN already exists.',
|
|
proposed_asn=module.params['asn'],
|
|
existing_asn=existing.get('asn'))
|
|
|
|
for param in ['advertise_map_exist', 'advertise_map_non_exist']:
|
|
if module.params[param] == ['default']:
|
|
module.params[param] = 'default'
|
|
|
|
proposed_args = dict((k, v) for k, v in module.params.items() if v is not None and k in args)
|
|
|
|
proposed = {}
|
|
for key, value in proposed_args.items():
|
|
if key not in ['asn', 'vrf', 'neighbor']:
|
|
if not isinstance(value, list):
|
|
if str(value).lower() == 'true':
|
|
value = True
|
|
elif str(value).lower() == 'false':
|
|
value = False
|
|
elif str(value).lower() == 'default':
|
|
if key in BOOL_PARAMS:
|
|
value = False
|
|
else:
|
|
value = 'default'
|
|
elif key == 'send_community' and str(value).lower() == 'none':
|
|
value = 'default'
|
|
if existing.get(key) != value:
|
|
proposed[key] = value
|
|
|
|
candidate = CustomNetworkConfig(indent=3)
|
|
if state == 'present':
|
|
state_present(module, existing, proposed, candidate)
|
|
elif state == 'absent' and existing:
|
|
state_absent(module, existing, candidate)
|
|
|
|
if candidate:
|
|
candidate = candidate.items_text()
|
|
load_config(module, candidate)
|
|
result['changed'] = True
|
|
result['commands'] = candidate
|
|
else:
|
|
result['commands'] = []
|
|
|
|
module.exit_json(**result)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main()
|