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New module for BGP configuration management in Arista EOS (#52722)
* New module for BGP in EOS Signed-off-by: NilashishC <nilashishchakraborty8@gmail.com> * Add function to validate input Signed-off-by: NilashishC <nilashishchakraborty8@gmail.com> * Fix line indentation Signed-off-by: NilashishC <nilashishchakraborty8@gmail.com> * Add integration tests Signed-off-by: NilashishC <nilashishchakraborty8@gmail.com> * Fix CI Signed-off-by: NilashishC <nilashishchakraborty8@gmail.com> * Fix sanity test failure Signed-off-by: NilashishC <nilashishchakraborty8@gmail.com> * Remove unused code Signed-off-by: NilashishC <nilashishchakraborty8@gmail.com>
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Nilashish Chakraborty
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394
lib/ansible/modules/network/eos/eos_bgp.py
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394
lib/ansible/modules/network/eos/eos_bgp.py
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#!/usr/bin/python
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# -*- coding: utf-8 -*-
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#
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# (c) 2019, Ansible by Red Hat, inc
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# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
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#
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from __future__ import absolute_import, division, print_function
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__metaclass__ = type
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ANSIBLE_METADATA = {'metadata_version': '1.1',
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'status': ['preview'],
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'supported_by': 'network'}
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DOCUMENTATION = """
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---
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module: eos_bgp
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version_added: "2.8"
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author: "Nilashish Chakraborty (@nilashishc)"
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short_description: Configure global BGP protocol settings on Arista EOS.
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description:
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- This module provides configuration management of global BGP parameters
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on Arista EOS devices.
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notes:
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- Tested against Arista vEOS Version 4.15.9M.
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options:
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config:
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description:
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- Specifies the BGP related configuration.
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suboptions:
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bgp_as:
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description:
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- Specifies the BGP Autonomous System (AS) number to configure on the device.
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type: int
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required: true
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router_id:
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description:
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- Configures the BGP routing process router-id value.
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default: null
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log_neighbor_changes:
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description:
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- Enable/disable logging neighbor up/down and reset reason.
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type: bool
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neighbors:
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description:
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- Specifies BGP neighbor related configurations.
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suboptions:
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neighbor:
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description:
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- Neighbor router address.
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required: True
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remote_as:
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description:
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- Remote AS of the BGP neighbor to configure.
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type: int
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required: True
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update_source:
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description:
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- Source of the routing updates.
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password:
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description:
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- Password to authenticate the BGP peer connection.
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description:
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description:
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- Neighbor specific description.
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ebgp_multihop:
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description:
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- Specifies the maximum hop count for EBGP neighbors not on directly connected networks.
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- The range is from 1 to 255.
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type: int
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peer_group:
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description:
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- Name of the peer group that the neighbor is a member of.
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timers:
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description:
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- Specifies BGP neighbor timer related configurations.
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suboptions:
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keepalive:
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description:
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- Frequency (in seconds) with which the device sends keepalive messages to its peer.
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- The range is from 0 to 3600.
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type: int
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required: True
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holdtime:
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description:
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- Interval (in seconds) after not receiving a keepalive message that device declares a peer dead.
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- The range is from 3 to 7200.
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- Setting this value to 0 will not send keep-alives (hold forever).
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type: int
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required: True
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route_reflector_client:
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description:
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- Specify a neighbor as a route reflector client.
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type: bool
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remove_private_as:
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description:
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- Remove the private AS number from outbound updates.
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type: bool
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enabled:
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description:
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- Administratively shutdown or enable a neighbor.
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maximum_prefix:
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description:
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- Maximum number of prefixes to accept from this peer.
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- The range is from 0 to 4294967294.
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type: int
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redistribute:
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description:
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- Specifies the redistribute information from another routing protocol.
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suboptions:
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protocol:
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description:
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- Specifies the protocol for configuring redistribute information.
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required: True
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route_map:
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description:
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- Specifies the route map reference.
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networks:
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description:
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- Specify Networks to announce via BGP.
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- For operation replace, this option is mutually exclusive with networks option under address_family.
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- For operation replace, if the device already has an address family activated, this option is not allowed.
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suboptions:
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prefix:
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description:
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- Network ID to announce via BGP.
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required: True
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masklen:
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description:
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- Subnet mask length for the Network to announce(e.g, 8, 16, 24, etc.).
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route_map:
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description:
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- Route map to modify the attributes.
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address_family:
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description:
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- Specifies BGP address family related configurations.
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suboptions:
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afi:
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description:
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- Type of address family to configure.
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choices:
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- ipv4
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- ipv6
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required: True
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redistribute:
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description:
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- Specifies the redistribute information from another routing protocol.
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suboptions:
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protocol:
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description:
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- Specifies the protocol for configuring redistribute information.
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required: True
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route_map:
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description:
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- Specifies the route map reference.
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networks:
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description:
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- Specify Networks to announce via BGP.
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- For operation replace, this option is mutually exclusive with root level networks option.
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suboptions:
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prefix:
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description:
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- Network ID to announce via BGP.
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required: True
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masklen:
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description:
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- Subnet mask length for the Network to announce(e.g, 8, 16, 24, etc.).
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route_map:
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description:
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- Route map to modify the attributes.
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neighbors:
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description:
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- Specifies BGP neighbor related configurations in Address Family configuration mode.
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suboptions:
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neighbor:
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description:
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- Neighbor router address.
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required: True
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activate:
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description:
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- Enable the Address Family for this Neighbor.
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type: bool
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default_originate:
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description:
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- Originate default route to this neighbor.
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type: bool
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graceful_restart:
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description:
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- Enable/disable graceful restart mode for this neighbor.
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type: bool
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weight:
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description:
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- Assign weight for routes learnt from this neighbor.
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- The range is from 0 to 65535
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type: int
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operation:
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description:
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- Specifies the operation to be performed on the BGP process configured on the device.
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- In case of merge, the input configuration will be merged with the existing BGP configuration on the device.
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- In case of replace, if there is a diff between the existing configuration and the input configuration, the
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existing configuration will be replaced by the input configuration for every option that has the diff.
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- In case of override, all the existing BGP configuration will be removed from the device and replaced with
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the input configuration.
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- In case of delete the existing BGP configuration will be removed from the device.
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default: merge
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choices: ['merge', 'replace', 'override', 'delete']
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"""
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EXAMPLES = """
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- name: configure global bgp as 64496
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eos_bgp:
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config:
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bgp_as: 64496
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router_id: 192.0.2.1
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log_neighbor_changes: True
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neighbors:
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- neighbor: 203.0.113.5
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remote_as: 64511
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timers:
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keepalive: 300
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holdtime: 360
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- neighbor: 198.51.100.2
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remote_as: 64498
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networks:
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- prefix: 198.51.100.0
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route_map: RMAP_1
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- prefix: 192.0.2.0
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masklen: 23
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address_family:
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- afi: ipv4
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safi: unicast
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redistribute:
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- protocol: isis
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route_map: RMAP_1
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operation: merge
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- name: Configure BGP neighbors
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eos_bgp:
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config:
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bgp_as: 64496
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neighbors:
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- neighbor: 192.0.2.10
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remote_as: 64496
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description: IBGP_NBR_1
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ebgp_multihop: 100
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timers:
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keepalive: 300
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holdtime: 360
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- neighbor: 192.0.2.15
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remote_as: 64496
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description: IBGP_NBR_2
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ebgp_multihop: 150
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operation: merge
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- name: Configure root-level networks for BGP
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eos_bgp:
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config:
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bgp_as: 64496
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networks:
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- prefix: 203.0.113.0
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masklen: 27
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route_map: RMAP_1
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- prefix: 203.0.113.32
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masklen: 27
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route_map: RMAP_2
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operation: merge
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- name: Configure BGP neighbors under address family mode
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eos_bgp:
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config:
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bgp_as: 64496
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address_family:
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- afi: ipv4
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neighbors:
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- neighbor: 203.0.113.10
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activate: yes
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default_originate: True
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- neighbor: 192.0.2.15
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activate: yes
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graceful_restart: True
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operation: merge
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- name: remove bgp as 64496 from config
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eos_bgp:
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config:
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bgp_as: 64496
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operation: delete
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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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- router bgp 64496
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- bgp router-id 192.0.2.1
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- bgp log-neighbor-changes
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- neighbor 203.0.113.5 remote-as 64511
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- neighbor 203.0.113.5 timers 300 360
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- neighbor 198.51.100.2 remote-as 64498
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- network 198.51.100.0 route-map RMAP_1
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- network 192.0.2.0 mask 255.255.254.0
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- address-family ipv4
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- redistribute isis route-map RMAP_1
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- exit-address-family
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"""
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from ansible.module_utils._text import to_text
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from ansible.module_utils.network.eos.providers.module import NetworkModule
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from ansible.module_utils.network.eos.providers.cli.config.bgp.process import REDISTRIBUTE_PROTOCOLS
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def main():
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""" main entry point for module execution
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"""
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network_spec = {
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'prefix': dict(required=True),
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'masklen': dict(type='int'),
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'route_map': dict(),
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}
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redistribute_spec = {
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'protocol': dict(choices=REDISTRIBUTE_PROTOCOLS, required=True),
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'route_map': dict(),
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}
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timer_spec = {
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'keepalive': dict(type='int', required=True),
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'holdtime': dict(type='int', required=True),
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}
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neighbor_spec = {
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'neighbor': dict(required=True),
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'remote_as': dict(type='int', required=True),
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'update_source': dict(),
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'password': dict(no_log=True),
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'enabled': dict(type='bool'),
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'description': dict(),
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'ebgp_multihop': dict(type='int'),
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'timers': dict(type='dict', options=timer_spec),
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'peer_group': dict(),
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'maximum_prefix': dict(type='int'),
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'route_reflector_client': dict(type='int'),
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'remove_private_as': dict(type='bool')
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}
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af_neighbor_spec = {
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'neighbor': dict(required=True),
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'activate': dict(type='bool'),
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'default_originate': dict(type='bool'),
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'graceful_restart': dict(type='bool'),
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'weight': dict(type='int'),
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}
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address_family_spec = {
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'afi': dict(choices=['ipv4', 'ipv6'], required=True),
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'networks': dict(type='list', elements='dict', options=network_spec),
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'redistribute': dict(type='list', elements='dict', options=redistribute_spec),
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'neighbors': dict(type='list', elements='dict', options=af_neighbor_spec),
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}
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config_spec = {
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'bgp_as': dict(type='int', required=True),
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'router_id': dict(),
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'log_neighbor_changes': dict(type='bool'),
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'neighbors': dict(type='list', elements='dict', options=neighbor_spec),
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'address_family': dict(type='list', elements='dict', options=address_family_spec),
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'redistribute': dict(type='list', elements='dict', options=redistribute_spec),
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'networks': dict(type='list', elements='dict', options=network_spec)
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}
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argument_spec = {
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'config': dict(type='dict', options=config_spec),
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'operation': dict(default='merge', choices=['merge', 'replace', 'override', 'delete'])
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}
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module = NetworkModule(argument_spec=argument_spec,
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supports_check_mode=True)
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try:
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result = module.edit_config(config_filter='| section bgp')
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except Exception as exc:
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module.fail_json(msg=to_text(exc))
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module.exit_json(**result)
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if __name__ == '__main__':
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main()
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