1010 lines
36 KiB
Python
1010 lines
36 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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DOCUMENTATION = '''
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---
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module: nxos_bgp
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version_added: "2.2"
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short_description: Manages BGP configuration.
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description:
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- Manages BGP configurations on NX-OS switches.
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author:
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- Jason Edelman (@jedelman8)
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- Gabriele Gerbino (@GGabriele)
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extends_documentation_fragment: nxos
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notes:
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- C(state=absent) removes the whole BGP ASN configuration when
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C(vrf=default) or the whole VRF instance within the BGP process when
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using a different VRF.
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- Default when supported restores params default value.
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- Configuring global parmas is only permitted if C(vrf=default).
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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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required: false
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default: null
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bestpath_always_compare_med:
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description:
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- Enable/Disable MED comparison on paths from different
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autonomous systems.
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required: false
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choices: ['true','false']
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default: null
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bestpath_aspath_multipath_relax:
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description:
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- Enable/Disable load sharing across the providers with
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different (but equal-length) AS paths.
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required: false
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choices: ['true','false']
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default: null
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bestpath_compare_routerid:
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description:
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- Enable/Disable comparison of router IDs for identical eBGP paths.
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required: false
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choices: ['true','false']
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default: null
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bestpath_cost_community_ignore:
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description:
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- Enable/Disable Ignores the cost community for BGP best-path
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calculations.
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required: false
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choices: ['true','false']
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default: null
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bestpath_med_confed:
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description:
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- Enable/Disable enforcement of bestpath to do a MED comparison
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only between paths originated within a confederation.
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required: false
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choices: ['true','false']
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default: null
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bestpath_med_missing_as_worst:
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description:
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- Enable/Disable assigns the value of infinity to received
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routes that do not carry the MED attribute, making these routes
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the least desirable.
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required: false
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choices: ['true','false']
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default: null
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bestpath_med_non_deterministic:
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description:
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- Enable/Disable deterministic selection of the best MED pat
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from among the paths from the same autonomous system.
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required: false
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choices: ['true','false']
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default: null
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cluster_id:
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description:
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- Route Reflector Cluster-ID.
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required: false
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default: null
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confederation_id:
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description:
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- Routing domain confederation AS.
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required: false
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default: null
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confederation_peers:
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description:
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- AS confederation parameters.
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required: false
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default: null
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disable_policy_batching:
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description:
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- Enable/Disable the batching evaluation of prefix advertisement
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to all peers.
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required: false
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choices: ['true','false']
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default: null
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disable_policy_batching_ipv4_prefix_list:
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description:
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- Enable/Disable the batching evaluation of prefix advertisements
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to all peers with prefix list.
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required: false
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default: null
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disable_policy_batching_ipv6_prefix_list:
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description:
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- Enable/Disable the batching evaluation of prefix advertisements
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to all peers with prefix list.
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required: false
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enforce_first_as:
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description:
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- Enable/Disable enforces the neighbor autonomous system to be
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the first AS number listed in the AS path attribute for eBGP.
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On NX-OS, this property is only supported in the
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global BGP context.
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required: false
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choices: ['true','false']
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default: null
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event_history_cli:
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description:
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- Enable/Disable cli event history buffer.
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required: false
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choices: ['size_small', 'size_medium', 'size_large', 'size_disable', 'default']
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default: null
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event_history_detail:
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description:
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- Enable/Disable detail event history buffer.
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required: false
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choices: ['size_small', 'size_medium', 'size_large', 'size_disable', 'default']
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default: null
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event_history_events:
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description:
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- Enable/Disable event history buffer.
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required: false
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choices: ['size_small', 'size_medium', 'size_large', 'size_disable', 'default']
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default: null
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event_history_periodic:
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description:
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- Enable/Disable periodic event history buffer.
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required: false
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choices: ['size_small', 'size_medium', 'size_large', 'size_disable', 'default']
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fast_external_fallover:
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description:
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- Enable/Disable immediately reset the session if the link to a
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directly connected BGP peer goes down. Only supported in the
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global BGP context.
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required: false
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choices: ['true','false']
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default: null
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flush_routes:
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description:
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- Enable/Disable flush routes in RIB upon controlled restart.
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On NX-OS, this property is only supported in the global
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BGP context.
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required: false
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choices: ['true','false']
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default: null
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graceful_restart:
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description:
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- Enable/Disable graceful restart.
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required: false
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choices: ['true','false']
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default: null
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graceful_restart_helper:
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description:
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- Enable/Disable graceful restart helper mode.
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required: false
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choices: ['true','false']
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default: null
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graceful_restart_timers_restart:
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description:
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- Set maximum time for a restart sent to the BGP peer.
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required: false
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choices: ['true','false']
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default: null
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graceful_restart_timers_stalepath_time:
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description:
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- Set maximum time that BGP keeps the stale routes from the
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restarting BGP peer.
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choices: ['true','false']
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default: null
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isolate:
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description:
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- Enable/Disable isolate this router from BGP perspective.
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required: false
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choices: ['true','false']
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default: null
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local_as:
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description:
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- Local AS number to be used within a VRF instance.
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required: false
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default: null
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log_neighbor_changes:
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description:
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- Enable/Disable message logging for neighbor up/down event.
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required: false
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choices: ['true','false']
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default: null
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maxas_limit:
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description:
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- Specify Maximum number of AS numbers allowed in the AS-path
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attribute. Valid values are between 1 and 512.
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required: false
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default: null
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neighbor_down_fib_accelerate:
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description:
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- Enable/Disable handle BGP neighbor down event, due to
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various reasons.
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required: false
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choices: ['true','false']
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default: null
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reconnect_interval:
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description:
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- The BGP reconnection interval for dropped sessions.
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Valid values are between 1 and 60.
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required: false
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default: null
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router_id:
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description:
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- Router Identifier (ID) of the BGP router VRF instance.
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required: false
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default: null
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shutdown:
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description:
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- Administratively shutdown the BGP protocol.
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required: false
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choices: ['true','false']
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default: null
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suppress_fib_pending:
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description:
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- Enable/Disable advertise only routes programmed in hardware
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to peers.
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required: false
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choices: ['true','false']
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default: null
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timer_bestpath_limit:
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description:
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- Specify timeout for the first best path after a restart,
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in seconds.
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required: false
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default: null
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timer_bestpath_limit_always:
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description:
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- Enable/Disable update-delay-always option.
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required: false
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choices: ['true','false']
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default: null
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timer_bgp_hold:
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description:
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- Set BGP hold timer.
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required: false
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default: null
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timer_bgp_keepalive:
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description:
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- Set BGP keepalive timer.
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required: false
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default: null
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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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required: false
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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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# configure a simple asn
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- nxos_bgp:
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asn=65535
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vrf=test
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router_id=1.1.1.1
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state=present
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username: "{{ un }}"
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password: "{{ pwd }}"
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host: "{{ inventory_hostname }}"
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'''
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RETURN = '''
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proposed:
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description: k/v pairs of parameters passed into module
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returned: verbose mode
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type: dict
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sample: {"asn": "65535", "router_id": "1.1.1.1", "vrf": "test"}
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existing:
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description: k/v pairs of existing BGP configuration
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returned: verbose mode
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type: dict
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sample: {"asn": "65535", "bestpath_always_compare_med": false,
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"bestpath_aspath_multipath_relax": false,
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"bestpath_compare_neighborid": false,
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"bestpath_compare_routerid": false,
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"bestpath_cost_community_ignore": false,
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"bestpath_med_confed": false,
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"bestpath_med_missing_as_worst": false,
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"bestpath_med_non_deterministic": false, "cluster_id": "",
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"confederation_id": "", "confederation_peers": "",
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"graceful_restart": true, "graceful_restart_helper": false,
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"graceful_restart_timers_restart": "120",
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"graceful_restart_timers_stalepath_time": "300", "local_as": "",
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"log_neighbor_changes": false, "maxas_limit": "",
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"neighbor_down_fib_accelerate": false, "reconnect_interval": "60",
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"router_id": "11.11.11.11", "suppress_fib_pending": false,
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"timer_bestpath_limit": "", "timer_bgp_hold": "180",
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"timer_bgp_keepalive": "60", "vrf": "test"}
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end_state:
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description: k/v pairs of BGP configuration after module execution
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returned: verbose mode
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type: dict
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sample: {"asn": "65535", "bestpath_always_compare_med": false,
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"bestpath_aspath_multipath_relax": false,
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"bestpath_compare_neighborid": false,
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"bestpath_compare_routerid": false,
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"bestpath_cost_community_ignore": false,
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"bestpath_med_confed": false,
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"bestpath_med_missing_as_worst": false,
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"bestpath_med_non_deterministic": false, "cluster_id": "",
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"confederation_id": "", "confederation_peers": "",
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"graceful_restart": true, "graceful_restart_helper": false,
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"graceful_restart_timers_restart": "120",
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"graceful_restart_timers_stalepath_time": "300", "local_as": "",
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"log_neighbor_changes": false, "maxas_limit": "",
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"neighbor_down_fib_accelerate": false, "reconnect_interval": "60",
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"router_id": "1.1.1.1", "suppress_fib_pending": false,
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"timer_bestpath_limit": "", "timer_bgp_hold": "180",
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"timer_bgp_keepalive": "60", "vrf": "test"}
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updates:
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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", "vrf test", "router-id 1.1.1.1"]
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changed:
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description: check to see if a change was made on the device
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returned: always
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type: boolean
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sample: true
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'''
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# COMMON CODE FOR MIGRATION
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import re
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from ansible.module_utils.basic import get_exception
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from ansible.module_utils.netcfg import NetworkConfig, ConfigLine
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try:
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from ansible.module_utils.nxos import get_module
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except ImportError:
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from ansible.module_utils.nxos import NetworkModule
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def to_list(val):
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if isinstance(val, (list, tuple)):
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return list(val)
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elif val is not None:
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return [val]
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else:
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return list()
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class CustomNetworkConfig(NetworkConfig):
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def expand_section(self, configobj, S=None):
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if S is None:
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S = list()
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S.append(configobj)
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for child in configobj.children:
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if child in S:
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continue
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self.expand_section(child, S)
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return S
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def get_object(self, path):
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for item in self.items:
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if item.text == path[-1]:
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parents = [p.text for p in item.parents]
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if parents == path[:-1]:
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return item
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def to_block(self, section):
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return '\n'.join([item.raw for item in section])
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def get_section(self, path):
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try:
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section = self.get_section_objects(path)
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return self.to_block(section)
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except ValueError:
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return list()
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def get_section_objects(self, path):
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if not isinstance(path, list):
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path = [path]
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obj = self.get_object(path)
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if not obj:
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raise ValueError('path does not exist in config')
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return self.expand_section(obj)
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def add(self, lines, parents=None):
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"""Adds one or lines of configuration
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"""
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ancestors = list()
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offset = 0
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obj = None
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## global config command
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if not parents:
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for line in to_list(lines):
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item = ConfigLine(line)
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item.raw = line
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if item not in self.items:
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self.items.append(item)
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else:
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for index, p in enumerate(parents):
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try:
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i = index + 1
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obj = self.get_section_objects(parents[:i])[0]
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ancestors.append(obj)
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except ValueError:
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# add parent to config
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offset = index * self.indent
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obj = ConfigLine(p)
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obj.raw = p.rjust(len(p) + offset)
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if ancestors:
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obj.parents = list(ancestors)
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ancestors[-1].children.append(obj)
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self.items.append(obj)
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ancestors.append(obj)
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# add child objects
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for line in to_list(lines):
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# check if child already exists
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for child in ancestors[-1].children:
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if child.text == line:
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break
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else:
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offset = len(parents) * self.indent
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item = ConfigLine(line)
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item.raw = line.rjust(len(line) + offset)
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item.parents = ancestors
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ancestors[-1].children.append(item)
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self.items.append(item)
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def get_network_module(**kwargs):
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try:
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return get_module(**kwargs)
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except NameError:
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return NetworkModule(**kwargs)
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def get_config(module, include_defaults=False):
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config = module.params['config']
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if not config:
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try:
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config = module.get_config()
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except AttributeError:
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defaults = module.params['include_defaults']
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config = module.config.get_config(include_defaults=defaults)
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return CustomNetworkConfig(indent=2, contents=config)
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def load_config(module, candidate):
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config = get_config(module)
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commands = candidate.difference(config)
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commands = [str(c).strip() for c in commands]
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save_config = module.params['save']
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result = dict(changed=False)
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if commands:
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if not module.check_mode:
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try:
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module.configure(commands)
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except AttributeError:
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module.config(commands)
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if save_config:
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try:
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module.config.save_config()
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except AttributeError:
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module.execute(['copy running-config startup-config'])
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result['changed'] = True
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result['updates'] = commands
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return result
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# END OF COMMON CODE
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WARNINGS = []
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BOOL_PARAMS = [
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'bestpath_always_compare_med',
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'bestpath_aspath_multipath_relax',
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'bestpath_compare_neighborid',
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'bestpath_compare_routerid',
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'bestpath_cost_community_ignore',
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'bestpath_med_confed',
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'bestpath_med_missing_as_worst',
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'bestpath_med_non_deterministic',
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'disable_policy_batching',
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'enforce_first_as',
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'fast_external_fallover',
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'flush_routes',
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'graceful_restart',
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'graceful_restart_helper',
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'isolate',
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'log_neighbor_changes',
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'neighbor_down_fib_accelerate',
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'shutdown',
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'suppress_fib_pending'
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]
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GLOBAL_PARAMS = [
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'disable_policy_batching',
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'disable_policy_batching_ipv4_prefix_list',
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'disable_policy_batching_ipv6_prefix_list',
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'enforce_first_as',
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'event_history_cli',
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'event_history_detail',
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'event_history_events',
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'event_history_periodic',
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'fast_external_fallover',
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'flush_routes',
|
|
'isolate',
|
|
'shutdown'
|
|
]
|
|
PARAM_TO_DEFAULT_KEYMAP = {
|
|
'timer_bgp_keepalive': '60',
|
|
'timer_bgp_hold': '180',
|
|
'graceful_restart': True,
|
|
'graceful_restart_timers_restart': '120',
|
|
'graceful_restart_timers_stalepath_time': '300',
|
|
'reconnect_interval': '60',
|
|
'suppress_fib_pending': True,
|
|
'fast_external_fallover': True,
|
|
'enforce_first_as': True,
|
|
'event_history_periodic': True,
|
|
'event_history_cli': True,
|
|
'event_history_events': True
|
|
}
|
|
PARAM_TO_COMMAND_KEYMAP = {
|
|
'asn': 'router bgp',
|
|
'bestpath_always_compare_med': 'bestpath always-compare-med',
|
|
'bestpath_aspath_multipath_relax': 'bestpath as-path multipath-relax',
|
|
'bestpath_compare_neighborid': 'bestpath compare-neighborid',
|
|
'bestpath_compare_routerid': 'bestpath compare-routerid',
|
|
'bestpath_cost_community_ignore': 'bestpath cost-community ignore',
|
|
'bestpath_med_confed': 'bestpath med confed',
|
|
'bestpath_med_missing_as_worst': 'bestpath med missing-as-worst',
|
|
'bestpath_med_non_deterministic': 'bestpath med non-deterministic',
|
|
'cluster_id': 'cluster-id',
|
|
'confederation_id': 'confederation identifier',
|
|
'confederation_peers': 'confederation peers',
|
|
'disable_policy_batching': 'disable-policy-batching',
|
|
'disable_policy_batching_ipv4_prefix_list': 'disable-policy-batching ipv4 prefix-list',
|
|
'disable_policy_batching_ipv6_prefix_list': 'disable-policy-batching ipv6 prefix-list',
|
|
'enforce_first_as': 'enforce-first-as',
|
|
'event_history_cli': 'event-history cli',
|
|
'event_history_detail': 'event-history detail',
|
|
'event_history_events': 'event-history events',
|
|
'event_history_periodic': 'event-history periodic',
|
|
'fast_external_fallover': 'fast-external-fallover',
|
|
'flush_routes': 'flush-routes',
|
|
'graceful_restart': 'graceful-restart',
|
|
'graceful_restart_helper': 'graceful-restart-helper',
|
|
'graceful_restart_timers_restart': 'graceful-restart restart-time',
|
|
'graceful_restart_timers_stalepath_time': 'graceful-restart stalepath-time',
|
|
'isolate': 'isolate',
|
|
'local_as': 'local-as',
|
|
'log_neighbor_changes': 'log-neighbor-changes',
|
|
'maxas_limit': 'maxas-limit',
|
|
'neighbor_down_fib_accelerate': 'neighbor-down fib-accelerate',
|
|
'reconnect_interval': 'reconnect-interval',
|
|
'router_id': 'router-id',
|
|
'shutdown': 'shutdown',
|
|
'suppress_fib_pending': 'suppress-fib-pending',
|
|
'timer_bestpath_limit': 'timers bestpath-limit',
|
|
'timer_bgp_hold': 'timers bgp',
|
|
'timer_bgp_keepalive': 'timers bgp',
|
|
'vrf': 'vrf'
|
|
}
|
|
|
|
|
|
def invoke(name, *args, **kwargs):
|
|
func = globals().get(name)
|
|
if func:
|
|
return func(*args, **kwargs)
|
|
|
|
|
|
def get_custom_value(config, arg):
|
|
if arg.startswith('event_history'):
|
|
REGEX_SIZE = re.compile(r'(?:{0} size\s)(?P<value>.*)$'.format(PARAM_TO_COMMAND_KEYMAP[arg]), re.M)
|
|
REGEX = re.compile(r'\s+{0}\s*$'.format(PARAM_TO_COMMAND_KEYMAP[arg]), re.M)
|
|
value = False
|
|
|
|
if 'no {0}'.format(PARAM_TO_COMMAND_KEYMAP[arg]) in config:
|
|
pass
|
|
elif PARAM_TO_COMMAND_KEYMAP[arg] in config:
|
|
try:
|
|
value = REGEX_SIZE.search(config).group('value')
|
|
except AttributeError:
|
|
if REGEX.search(config):
|
|
value = True
|
|
|
|
elif arg == 'enforce_first_as' or arg == 'fast_external_fallover':
|
|
REGEX = re.compile(r'no\s+{0}\s*$'.format(PARAM_TO_COMMAND_KEYMAP[arg]), re.M)
|
|
value = True
|
|
try:
|
|
if REGEX.search(config):
|
|
value = False
|
|
except TypeError:
|
|
value = True
|
|
|
|
elif arg == 'confederation_peers':
|
|
REGEX = re.compile(r'(?:confederation peers\s)(?P<value>.*)$', re.M)
|
|
value = ''
|
|
if 'confederation peers' in config:
|
|
value = REGEX.search(config).group('value').split()
|
|
|
|
elif arg == 'timer_bgp_keepalive':
|
|
REGEX = re.compile(r'(?:timers bgp\s)(?P<value>.*)$', re.M)
|
|
value = ''
|
|
if 'timers bgp' in config:
|
|
parsed = REGEX.search(config).group('value').split()
|
|
value = parsed[0]
|
|
|
|
elif arg == 'timer_bgp_hold':
|
|
REGEX = re.compile(r'(?:timers bgp\s)(?P<value>.*)$', re.M)
|
|
value = ''
|
|
if 'timers bgp' in config:
|
|
parsed = REGEX.search(config).group('value').split()
|
|
if len(parsed) == 2:
|
|
value = parsed[1]
|
|
|
|
return value
|
|
|
|
|
|
def get_value(arg, config):
|
|
custom = [
|
|
'event_history_cli',
|
|
'event_history_events',
|
|
'event_history_periodic',
|
|
'event_history_detail',
|
|
'confederation_peers',
|
|
'timer_bgp_hold',
|
|
'timer_bgp_keepalive',
|
|
'enforce_first_as',
|
|
'fast_external_fallover'
|
|
]
|
|
|
|
if arg in custom:
|
|
value = get_custom_value(config, arg)
|
|
elif arg in BOOL_PARAMS:
|
|
REGEX = re.compile(r'\s+{0}\s*$'.format(PARAM_TO_COMMAND_KEYMAP[arg]), re.M)
|
|
value = False
|
|
try:
|
|
if REGEX.search(config):
|
|
value = True
|
|
except TypeError:
|
|
value = False
|
|
else:
|
|
REGEX = re.compile(r'(?:{0}\s)(?P<value>.*)$'.format(PARAM_TO_COMMAND_KEYMAP[arg]), re.M)
|
|
value = ''
|
|
if PARAM_TO_COMMAND_KEYMAP[arg] in config:
|
|
value = REGEX.search(config).group('value')
|
|
return value
|
|
|
|
|
|
def get_existing(module, args):
|
|
existing = {}
|
|
netcfg = get_config(module)
|
|
|
|
try:
|
|
asn_regex = '.*router\sbgp\s(?P<existing_asn>\d+).*'
|
|
match_asn = re.match(asn_regex, str(netcfg), re.DOTALL)
|
|
existing_asn_group = match_asn.groupdict()
|
|
existing_asn = existing_asn_group['existing_asn']
|
|
except AttributeError:
|
|
existing_asn = ''
|
|
|
|
if existing_asn:
|
|
bgp_parent = 'router bgp {0}'.format(existing_asn)
|
|
if module.params['vrf'] != 'default':
|
|
parents = [bgp_parent, 'vrf {0}'.format(module.params['vrf'])]
|
|
else:
|
|
parents = [bgp_parent]
|
|
|
|
config = netcfg.get_section(parents)
|
|
if config:
|
|
for arg in args:
|
|
if arg != 'asn':
|
|
if module.params['vrf'] != 'default':
|
|
if arg not in GLOBAL_PARAMS:
|
|
existing[arg] = get_value(arg, config)
|
|
else:
|
|
existing[arg] = get_value(arg, config)
|
|
|
|
existing['asn'] = existing_asn
|
|
if module.params['vrf'] == 'default':
|
|
existing['vrf'] = 'default'
|
|
else:
|
|
if (module.params['state'] == 'present' and
|
|
module.params['vrf'] != 'default'):
|
|
msg = ("VRF {0} doesn't exist. ".format(module.params['vrf']))
|
|
WARNINGS.append(msg)
|
|
else:
|
|
if (module.params['state'] == 'present' and
|
|
module.params['vrf'] != 'default'):
|
|
msg = ("VRF {0} doesn't exist. ".format(module.params['vrf']))
|
|
WARNINGS.append(msg)
|
|
|
|
return existing
|
|
|
|
|
|
def apply_key_map(key_map, table):
|
|
new_dict = {}
|
|
for key, value in table.items():
|
|
new_key = key_map.get(key)
|
|
if new_key:
|
|
value = table.get(key)
|
|
if value:
|
|
new_dict[new_key] = value
|
|
else:
|
|
new_dict[new_key] = value
|
|
return new_dict
|
|
|
|
|
|
def state_present(module, existing, proposed, candidate):
|
|
commands = list()
|
|
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.iteritems():
|
|
if value is True:
|
|
commands.append(key)
|
|
elif value is False:
|
|
commands.append('no {0}'.format(key))
|
|
elif value == 'default':
|
|
if key in PARAM_TO_DEFAULT_KEYMAP.keys():
|
|
commands.append('{0} {1}'.format(key, PARAM_TO_DEFAULT_KEYMAP[key]))
|
|
elif existing_commands.get(key):
|
|
existing_value = existing_commands.get(key)
|
|
if key == 'confederation peers':
|
|
commands.append('no {0} {1}'.format(key, ' '.join(existing_value)))
|
|
else:
|
|
commands.append('no {0} {1}'.format(key, existing_value))
|
|
else:
|
|
if key == 'confederation peers':
|
|
existing_confederation_peers = existing.get('confederation_peers')
|
|
|
|
if existing_confederation_peers:
|
|
if not isinstance(existing_confederation_peers, list):
|
|
existing_confederation_peers = [existing_confederation_peers]
|
|
else:
|
|
existing_confederation_peers = []
|
|
|
|
values = value.split()
|
|
for each_value in values:
|
|
if each_value not in existing_confederation_peers:
|
|
existing_confederation_peers.append(each_value)
|
|
peer_string = ' '.join(existing_confederation_peers)
|
|
commands.append('{0} {1}'.format(key, peer_string))
|
|
elif key.startswith('timers bgp'):
|
|
command = 'timers bgp {0} {1}'.format(
|
|
proposed['timer_bgp_keepalive'],
|
|
proposed['timer_bgp_hold'])
|
|
if command not in commands:
|
|
commands.append(command)
|
|
else:
|
|
if value.startswith('size'):
|
|
value = value.replace('_', ' ')
|
|
command = '{0} {1}'.format(key, value)
|
|
commands.append(command)
|
|
|
|
if commands:
|
|
commands = fix_commands(commands)
|
|
parents = ['router bgp {0}'.format(module.params['asn'])]
|
|
if module.params['vrf'] != 'default':
|
|
parents.append('vrf {0}'.format(module.params['vrf']))
|
|
candidate.add(commands, parents=parents)
|
|
else:
|
|
if len(proposed.keys()) == 0:
|
|
if module.params['vrf'] != 'default':
|
|
commands.append('vrf {0}'.format(module.params['vrf']))
|
|
parents = ['router bgp {0}'.format(module.params['asn'])]
|
|
else:
|
|
commands.append('router bgp {0}'.format(module.params['asn']))
|
|
parents = []
|
|
candidate.add(commands, parents=parents)
|
|
|
|
|
|
def state_absent(module, existing, proposed, candidate):
|
|
commands = []
|
|
parents = []
|
|
if module.params['vrf'] == 'default':
|
|
commands.append('no router bgp {0}'.format(module.params['asn']))
|
|
else:
|
|
if existing.get('vrf') == module.params['vrf']:
|
|
commands.append('no vrf {0}'.format(module.params['vrf']))
|
|
parents = ['router bgp {0}'.format(module.params['asn'])]
|
|
|
|
candidate.add(commands, parents=parents)
|
|
|
|
|
|
def fix_commands(commands):
|
|
local_as_command = ''
|
|
confederation_id_command = ''
|
|
confederation_peers_command = ''
|
|
|
|
for command in commands:
|
|
if 'local-as' in command:
|
|
local_as_command = command
|
|
elif 'confederation identifier' in command:
|
|
confederation_id_command = command
|
|
elif 'confederation peers' in command:
|
|
confederation_peers_command = command
|
|
|
|
if local_as_command and confederation_id_command:
|
|
commands.pop(commands.index(local_as_command))
|
|
commands.pop(commands.index(confederation_id_command))
|
|
commands.append(local_as_command)
|
|
commands.append(confederation_id_command)
|
|
|
|
elif confederation_peers_command and confederation_id_command:
|
|
commands.pop(commands.index(confederation_peers_command))
|
|
commands.pop(commands.index(confederation_id_command))
|
|
commands.append(confederation_id_command)
|
|
commands.append(confederation_peers_command)
|
|
|
|
return commands
|
|
|
|
|
|
def main():
|
|
argument_spec = dict(
|
|
asn=dict(required=True, type='str'),
|
|
vrf=dict(required=False, type='str', default='default'),
|
|
bestpath_always_compare_med=dict(required=False, type='bool'),
|
|
bestpath_aspath_multipath_relax=dict(required=False, type='bool'),
|
|
bestpath_compare_neighborid=dict(required=False, type='bool'),
|
|
bestpath_compare_routerid=dict(required=False, type='bool'),
|
|
bestpath_cost_community_ignore=dict(required=False, type='bool'),
|
|
bestpath_med_confed=dict(required=False, type='bool'),
|
|
bestpath_med_missing_as_worst=dict(required=False, type='bool'),
|
|
bestpath_med_non_deterministic=dict(required=False, type='bool'),
|
|
cluster_id=dict(required=False, type='str'),
|
|
confederation_id=dict(required=False, type='str'),
|
|
confederation_peers=dict(required=False, type='str'),
|
|
disable_policy_batching=dict(required=False, type='bool'),
|
|
disable_policy_batching_ipv4_prefix_list=dict(required=False, type='str'),
|
|
disable_policy_batching_ipv6_prefix_list=dict(required=False, type='str'),
|
|
enforce_first_as=dict(required=False, type='bool'),
|
|
event_history_cli=dict(required=False, choices=['true', 'false', 'default', 'size_small', 'size_medium', 'size_large', 'size_disable']),
|
|
event_history_detail=dict(required=False, choices=['true', 'false', 'default', 'size_small', 'size_medium', 'size_large', 'size_disable']),
|
|
event_history_events=dict(required=False, choices=['true', 'false', 'default' 'size_small', 'size_medium', 'size_large', 'size_disable']),
|
|
event_history_periodic=dict(required=False, choices=['true', 'false', 'default', 'size_small', 'size_medium', 'size_large', 'size_disable']),
|
|
fast_external_fallover=dict(required=False, type='bool'),
|
|
flush_routes=dict(required=False, type='bool'),
|
|
graceful_restart=dict(required=False, type='bool'),
|
|
graceful_restart_helper=dict(required=False, type='bool'),
|
|
graceful_restart_timers_restart=dict(required=False, type='str'),
|
|
graceful_restart_timers_stalepath_time=dict(required=False, type='str'),
|
|
isolate=dict(required=False, type='bool'),
|
|
local_as=dict(required=False, type='str'),
|
|
log_neighbor_changes=dict(required=False, type='bool'),
|
|
maxas_limit=dict(required=False, type='str'),
|
|
neighbor_down_fib_accelerate=dict(required=False, type='bool'),
|
|
reconnect_interval=dict(required=False, type='str'),
|
|
router_id=dict(required=False, type='str'),
|
|
shutdown=dict(required=False, type='bool'),
|
|
suppress_fib_pending=dict(required=False, type='bool'),
|
|
timer_bestpath_limit=dict(required=False, type='str'),
|
|
timer_bgp_hold=dict(required=False, type='str'),
|
|
timer_bgp_keepalive=dict(required=False, type='str'),
|
|
state=dict(choices=['present', 'absent'], default='present',
|
|
required=False),
|
|
include_defaults=dict(default=True),
|
|
config=dict(),
|
|
save=dict(type='bool', default=False)
|
|
)
|
|
module = get_network_module(argument_spec=argument_spec,
|
|
required_together=[['timer_bgp_hold',
|
|
'timer_bgp_keepalive']],
|
|
supports_check_mode=True)
|
|
|
|
state = module.params['state']
|
|
args = [
|
|
"asn",
|
|
"bestpath_always_compare_med",
|
|
"bestpath_aspath_multipath_relax",
|
|
"bestpath_compare_neighborid",
|
|
"bestpath_compare_routerid",
|
|
"bestpath_cost_community_ignore",
|
|
"bestpath_med_confed",
|
|
"bestpath_med_missing_as_worst",
|
|
"bestpath_med_non_deterministic",
|
|
"cluster_id",
|
|
"confederation_id",
|
|
"confederation_peers",
|
|
"disable_policy_batching",
|
|
"disable_policy_batching_ipv4_prefix_list",
|
|
"disable_policy_batching_ipv6_prefix_list",
|
|
"enforce_first_as",
|
|
"event_history_cli",
|
|
"event_history_detail",
|
|
"event_history_events",
|
|
"event_history_periodic",
|
|
"fast_external_fallover",
|
|
"flush_routes",
|
|
"graceful_restart",
|
|
"graceful_restart_helper",
|
|
"graceful_restart_timers_restart",
|
|
"graceful_restart_timers_stalepath_time",
|
|
"isolate",
|
|
"local_as",
|
|
"log_neighbor_changes",
|
|
"maxas_limit",
|
|
"neighbor_down_fib_accelerate",
|
|
"reconnect_interval",
|
|
"router_id",
|
|
"shutdown",
|
|
"suppress_fib_pending",
|
|
"timer_bestpath_limit",
|
|
"timer_bgp_hold",
|
|
"timer_bgp_keepalive",
|
|
"vrf"
|
|
]
|
|
|
|
if module.params['vrf'] != 'default':
|
|
for param, inserted_value in module.params.iteritems():
|
|
if param in GLOBAL_PARAMS and inserted_value:
|
|
module.fail_json(msg='Global params can be modifed only'
|
|
' under "default" VRF.',
|
|
vrf=module.params['vrf'],
|
|
global_param=param)
|
|
|
|
existing = invoke('get_existing', module, args)
|
|
|
|
if existing.get('asn'):
|
|
if (existing.get('asn') != module.params['asn'] and
|
|
state == 'present'):
|
|
module.fail_json(msg='Another BGP ASN already exists.',
|
|
proposed_asn=module.params['asn'],
|
|
existing_asn=existing.get('asn'))
|
|
|
|
end_state = existing
|
|
proposed_args = dict((k, v) for k, v in module.params.iteritems()
|
|
if v is not None and k in args)
|
|
proposed = {}
|
|
for key, value in proposed_args.iteritems():
|
|
if key != 'asn' and key != 'vrf':
|
|
if str(value).lower() == 'default':
|
|
value = PARAM_TO_DEFAULT_KEYMAP.get(key)
|
|
if value is None:
|
|
value = 'default'
|
|
if existing.get(key) or (not existing.get(key) and value):
|
|
proposed[key] = value
|
|
|
|
result = {}
|
|
if (state == 'present' or (state == 'absent' and
|
|
existing.get('asn') == module.params['asn'])):
|
|
candidate = CustomNetworkConfig(indent=3)
|
|
invoke('state_%s' % state, module, existing, proposed, candidate)
|
|
|
|
try:
|
|
response = load_config(module, candidate)
|
|
result.update(response)
|
|
except ShellError:
|
|
exc = get_exception()
|
|
module.fail_json(msg=str(exc))
|
|
else:
|
|
result['updates'] = []
|
|
|
|
result['connected'] = module.connected
|
|
if module._verbosity > 0:
|
|
end_state = invoke('get_existing', module, args)
|
|
result['end_state'] = end_state
|
|
result['existing'] = existing
|
|
result['proposed'] = proposed_args
|
|
|
|
if WARNINGS:
|
|
result['warnings'] = WARNINGS
|
|
|
|
module.exit_json(**result)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main()
|