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Adding Support For Vxlan In Onyx Switches (#55081)

* Adding Support For Vxlan In Onyx Switches

Signed-off-by: Anas Badaha <anasb@mellanox.com>

* Fix Pep8 Failures in onyx_vxlan.py

Signed-off-by: Anas Badaha <anasb@mellanox.com>

* Fix Pep8 Failures in onyx_vxlan phase 2

Signed-off-by: Anas Badaha <anasb@mellanox.com>

* Fix Shippable failures

Signed-off-by: Anas Badaha <anasb@mellanox.com>

* Fix Samer's Comments on PR

Signed-off-by: Anas Badaha <anasb@mellanox.com>
This commit is contained in:
anasbadaha 2019-04-11 18:29:11 +03:00 committed by Sumit Jaiswal
parent b24c037f62
commit 2cc91e26e0
4 changed files with 400 additions and 0 deletions

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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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[
{
"Mlag tunnel IP": "192.10.10.1",
"Effective tunnel IP": "(not exist)",
"NVE member interfaces": "(not configured)",
"Admin state": "up",
"Source interface": "loopback 1 (ip 0.0.0.0)",
"header": "Interface NVE 1 status",
"Controller mode": "BGP",
"Global Neigh-Suppression": "Enable",
"Counters": {
"dropped NVE-encapsulated packets": "0",
"decapsulated (Rx) NVE packets": "0",
"encapsulated (Tx) NVE packets": "0",
"NVE-encapsulated packets with errors": "0"
}
}
]

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[
{
"10":[
{
"Neigh Suppression":"Enable",
"VNI":"10010"
}
],
"6":[
{
"Neigh Suppression":"Enable",
"VNI":"10060"
}
]
}
]

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#
# Copyright: Ansible Project
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
# Make coding more python3-ish
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
from units.compat.mock import patch
from ansible.modules.network.onyx import onyx_vxlan
from units.modules.utils import set_module_args
from .onyx_module import TestOnyxModule, load_fixture
class TestOnyxVxlanModule(TestOnyxModule):
module = onyx_vxlan
arp_suppression = True
def setUp(self):
super(TestOnyxVxlanModule, self).setUp()
self.mock_get_vxlan_config = patch.object(
onyx_vxlan.OnyxVxlanModule, "_show_vxlan_config")
self.get_vxlan_config = self.mock_get_vxlan_config.start()
self.mock_load_config = patch(
'ansible.module_utils.network.onyx.onyx.load_config')
self.load_config = self.mock_load_config.start()
self.mock_get_nve_detail = patch.object(
onyx_vxlan.OnyxVxlanModule, "_show_nve_detail")
self.get_nve_detail = self.mock_get_nve_detail.start()
def tearDown(self):
super(TestOnyxVxlanModule, self).tearDown()
self.mock_get_vxlan_config.stop()
self.mock_load_config.stop()
self.mock_get_nve_detail.stop()
def load_fixtures(self, commands=None, transport='cli'):
interfaces_nve_config_file = 'onyx_show_interfaces_nve.cfg'
interfaces_nve_detail_config_file = 'onyx_show_interfaces_nve_detail.cfg'
self.get_nve_detail.return_value = None
interfaces_nve_detail_data = load_fixture(interfaces_nve_detail_config_file)
interfaces_nv_data = load_fixture(interfaces_nve_config_file)
self.get_nve_detail.return_value = interfaces_nve_detail_data
if self.arp_suppression is False:
interfaces_nve_detail_data[0]["10"][0]["Neigh Suppression"] = "Disable"
interfaces_nve_detail_data[0]["6"][0]["Neigh Suppression"] = "Disable"
self.get_nve_detail.return_value = interfaces_nve_detail_data
self.get_vxlan_config.return_value = interfaces_nv_data
self.load_config.return_value = None
def test_configure_vxlan_no_change(self):
set_module_args(dict(nve_id=1, loopback_id=1, bgp=True, mlag_tunnel_ip='192.10.10.1',
vni_vlan_list=[dict(vlan_id=10, vni_id=10010), dict(vlan_id=6, vni_id=10060)],
arp_suppression=True))
self.execute_module(changed=False)
def test_configure_vxlan_with_change(self):
set_module_args(dict(nve_id=2, loopback_id=1, bgp=True, mlag_tunnel_ip='192.10.10.1',
vni_vlan_list=[dict(vlan_id=10, vni_id=10010), dict(vlan_id=6, vni_id=10060)],
arp_suppression=True))
commands = [
"no interface nve 1", "interface nve 2", "exit",
"interface nve 2 vxlan source interface loopback 1 ",
"interface nve 2 nve controller bgp", "interface nve 2 vxlan mlag-tunnel-ip 192.10.10.1",
"interface nve 2 nve neigh-suppression", "interface nve 2 nve vni 10010 vlan 10",
"interface vlan 10", "exit", "interface nve 2 nve vni 10060 vlan 6", "interface vlan 6", "exit"
]
self.execute_module(changed=True, commands=commands)
def test_loopback_id_with_change(self):
set_module_args(dict(nve_id=1, loopback_id=2, bgp=True, mlag_tunnel_ip='192.10.10.1',
vni_vlan_list=[dict(vlan_id=10, vni_id=10010), dict(vlan_id=6, vni_id=10060)],
arp_suppression=True))
commands = ["interface nve 1 vxlan source interface loopback 2 "]
self.execute_module(changed=True, commands=commands)
def test_mlag_tunnel_ip_with_change(self):
set_module_args(dict(nve_id=1, loopback_id=1, bgp=True, mlag_tunnel_ip='192.10.10.10',
vni_vlan_list=[dict(vlan_id=10, vni_id=10010), dict(vlan_id=6, vni_id=10060)],
arp_suppression=True))
commands = ["interface nve 1 vxlan mlag-tunnel-ip 192.10.10.10"]
self.execute_module(changed=True, commands=commands)
def test_vni_vlan_list_with_change(self):
set_module_args(dict(nve_id=1, loopback_id=1, bgp=True, mlag_tunnel_ip='192.10.10.1',
vni_vlan_list=[dict(vlan_id=11, vni_id=10011), dict(vlan_id=7, vni_id=10061)],
arp_suppression=False))
commands = ["interface nve 1 nve vni 10011 vlan 11", "interface nve 1 nve vni 10061 vlan 7"]
self.execute_module(changed=True, commands=commands)
def test_arp_suppression_with_change(self):
self.arp_suppression = False
set_module_args(dict(nve_id=1, loopback_id=1, bgp=True, mlag_tunnel_ip='192.10.10.1',
vni_vlan_list=[dict(vlan_id=10, vni_id=10010), dict(vlan_id=6, vni_id=10060)],
arp_suppression=True))
commands = ["interface vlan 10", "exit", "interface vlan 6", "exit"]
self.execute_module(changed=True, commands=commands)