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#!/usr/bin/python
#
# Copyright: Ansible Project
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
from __future__ import absolute_import, division, print_function
__metaclass__ = type
ANSIBLE_METADATA = {'metadata_version': '1.1',
'status': ['preview'],
'supported_by': 'community'}
DOCUMENTATION = """
---
module: onyx_vxlan
version_added: "2.8"
author: "Anas Badaha (@anasb)"
short_description: Configures Vxlan
description:
- This module provides declarative management of Vxlan configuration
on Mellanox ONYX network devices.
notes:
- Tested on ONYX evpn_dev.031.
- nve protocol must be enabled.
options:
nve_id:
description:
- nve interface ID.
required: true
loopback_id:
description:
- loopback interface ID.
bgp:
description:
- configure bgp on nve interface.
type: bool
default: true
mlag_tunnel_ip:
description:
- vxlan Mlag tunnel IP
vni_vlan_list:
description:
- Each item in the list has two attributes vlan_id, vni_id.
arp_suppression:
description:
- A flag telling if to configure arp suppression.
type: bool
default: false
"""
EXAMPLES = """
- name: configure Vxlan
onyx_vxlan:
nve_id: 1
loopback_id: 1
bgp: yes
mlag-tunnel-ip: 100.0.0.1
vni_vlan_list:
- vlan_id: 10
vni_id: 10010
- vlan_id: 6
vni_id: 10060
arp_suppression: yes
"""
RETURN = """
commands:
description: The list of configuration mode commands to send to the device.
returned: always
type: list
sample:
- interface nve 1
- interface nve 1 vxlan source interface loopback 1
- interface nve 1 nve controller bgp
- interface nve 1 vxlan mlag-tunnel-ip 100.0.0.1
- interface nve 1 nve vni 10010 vlan 10
- interface nve 1 nve vni 10060 vlan 6
- interface nve 1 nve neigh-suppression
- interface vlan 6
- interface vlan 10
"""
import re
from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils.network.onyx.onyx import show_cmd
from ansible.module_utils.network.onyx.onyx import BaseOnyxModule
class OnyxVxlanModule(BaseOnyxModule):
LOOPBACK_REGEX = re.compile(r'^loopback (\d+).*')
NVE_ID_REGEX = re.compile(r'^Interface NVE (\d+).*')
def init_module(self):
""" initialize module
"""
vni_vlan_spec = dict(vlan_id=dict(type=int),
vni_id=dict(type=int))
element_spec = dict(
nve_id=dict(type=int),
loopback_id=dict(type=int),
bgp=dict(default=True, type='bool'),
mlag_tunnel_ip=dict(type='str'),
vni_vlan_list=dict(type='list',
elements='dict',
options=vni_vlan_spec),
arp_suppression=dict(default=False, type='bool')
)
argument_spec = dict()
argument_spec.update(element_spec)
self._module = AnsibleModule(
argument_spec=argument_spec,
supports_check_mode=True)
def get_required_config(self):
module_params = self._module.params
self._required_config = dict(module_params)
self.validate_param_values(self._required_config)
def _set_vxlan_config(self, vxlan_config):
vxlan_config = vxlan_config[0]
if not vxlan_config:
return
nve_header = vxlan_config.get("header")
match = self.NVE_ID_REGEX.match(nve_header)
if match:
current_nve_id = int(match.group(1))
self._current_config['nve_id'] = current_nve_id
if int(current_nve_id) != self._required_config.get("nve_id"):
return
self._current_config['mlag_tunnel_ip'] = vxlan_config.get("Mlag tunnel IP")
controller_mode = vxlan_config.get("Controller mode")
if controller_mode == "BGP":
self._current_config['bgp'] = True
else:
self._current_config['bgp'] = False
loopback_str = vxlan_config.get("Source interface")
match = self.LOOPBACK_REGEX.match(loopback_str)
if match:
loopback_id = match.group(1)
self._current_config['loopback_id'] = int(loopback_id)
self._current_config['global_neigh_suppression'] = vxlan_config.get("Global Neigh-Suppression")
vni_vlan_mapping = self._current_config['vni_vlan_mapping'] = dict()
nve_detail = self._show_nve_detail()
if nve_detail is not None:
nve_detail = nve_detail[0]
if nve_detail:
for vlan_id in nve_detail:
vni_vlan_mapping[int(vlan_id)] = dict(
vni_id=int(nve_detail[vlan_id][0].get("VNI")),
arp_suppression=nve_detail[vlan_id][0].get("Neigh Suppression"))
def _show_vxlan_config(self):
cmd = "show interfaces nve"
return show_cmd(self._module, cmd, json_fmt=True, fail_on_error=False)
def _show_nve_detail(self):
cmd = "show interface nve {0} detail".format(self._required_config.get("nve_id"))
return show_cmd(self._module, cmd, json_fmt=True, fail_on_error=False)
def load_current_config(self):
self._current_config = dict()
vxlan_config = self._show_vxlan_config()
if vxlan_config:
self._set_vxlan_config(vxlan_config)
def generate_commands(self):
nve_id = self._required_config.get("nve_id")
current_nve_id = self._current_config.get("nve_id")
if current_nve_id is None:
self._add_nve_commands(nve_id)
elif current_nve_id != nve_id:
self._add_no_nve_commands(current_nve_id)
self._add_nve_commands(nve_id)
bgp = self._required_config.get("bgp")
if bgp is not None:
curr_bgp = self._current_config.get("bgp")
if bgp and bgp != curr_bgp:
self._commands.append('interface nve {0} nve controller bgp'.format(nve_id))
loopback_id = self._required_config.get("loopback_id")
if loopback_id is not None:
curr_loopback_id = self._current_config.get("loopback_id")
if loopback_id != curr_loopback_id:
self._commands.append('interface nve {0} vxlan source interface '
'loopback {1} '.format(nve_id, loopback_id))
mlag_tunnel_ip = self._required_config.get("mlag_tunnel_ip")
if mlag_tunnel_ip is not None:
curr_mlag_tunnel_ip = self._current_config.get("mlag_tunnel_ip")
if mlag_tunnel_ip != curr_mlag_tunnel_ip:
self._commands.append('interface nve {0} vxlan '
'mlag-tunnel-ip {1}'.format(nve_id, mlag_tunnel_ip))
vni_vlan_list = self._required_config.get("vni_vlan_list")
arp_suppression = self._required_config.get("arp_suppression")
if vni_vlan_list is not None:
self._generate_vni_vlan_cmds(vni_vlan_list, nve_id, arp_suppression)
def _generate_vni_vlan_cmds(self, vni_vlan_list, nve_id, arp_suppression):
current_global_arp_suppression = self._current_config.get('global_neigh_suppression')
if arp_suppression is True and current_global_arp_suppression != "Enable":
self._commands.append('interface nve {0} nve neigh-suppression'.format(nve_id))
current_vni_vlan_mapping = self._current_config.get('vni_vlan_mapping')
if current_vni_vlan_mapping is None:
for vni_vlan in vni_vlan_list:
vlan_id = vni_vlan.get("vlan_id")
vni_id = vni_vlan.get("vni_id")
self._add_vni_vlan_cmds(nve_id, vni_id, vlan_id)
self._add_arp_suppression_cmds(arp_suppression, vlan_id)
else:
for vni_vlan in vni_vlan_list:
vlan_id = vni_vlan.get("vlan_id")
vni_id = vni_vlan.get("vni_id")
currt_vlan_id = current_vni_vlan_mapping.get(vlan_id)
if currt_vlan_id is None:
self._add_vni_vlan_cmds(nve_id, vni_id, vlan_id)
self._add_arp_suppression_cmds(arp_suppression, vlan_id)
else:
current_vni_id = currt_vlan_id.get("vni_id")
current_arp_suppression = currt_vlan_id.get("arp_suppression")
if int(current_vni_id) != vni_id:
self._add_vni_vlan_cmds(nve_id, vni_id, vlan_id)
if current_arp_suppression == "Disable":
self._add_arp_suppression_cmds(arp_suppression, vlan_id)
def _add_no_nve_commands(self, current_nve_id):
self._commands.append('no interface nve {0}'.format(current_nve_id))
def _add_nve_commands(self, nve_id):
self._commands.append('interface nve {0}'.format(nve_id))
self._commands.append('exit')
def _add_vni_vlan_cmds(self, nve_id, vni_id, vlan_id):
self._commands.append('interface nve {0} nve vni {1} '
'vlan {2}'.format(nve_id, vni_id, vlan_id))
def _add_arp_suppression_cmds(self, arp_suppression, vlan_id):
if arp_suppression is True:
self._commands.append('interface vlan {0}'.format(vlan_id))
self._commands.append('exit')
def main():
""" main entry point for module execution
"""
OnyxVxlanModule.main()
if __name__ == '__main__':
main()
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