Module mlnxos_l3_interface (#34199)

* Add module mlnxos_l3_interface for configuring L3 on Mellanox switches

Signed-off-by: Samer Deeb <samerd@mellanox.com>

* Rename test class

Signed-off-by: Samer Deeb <samerd@mellanox.com>
This commit is contained in:
Samer Deeb 2017-12-24 23:51:40 -08:00 committed by Trishna Guha
parent ad04c1854d
commit 89670133c1
4 changed files with 510 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: mlnxos_l3_interface
version_added: "2.5"
author: "Samer Deeb (@samerd)"
short_description: Manage L3 interfaces on Mellanox MLNX-OS network devices
description:
- This module provides declarative management of L3 interfaces
on Mellanox MLNX-OS network devices.
options:
name:
description:
- Name of the L3 interface.
ipv4:
description:
- IPv4 of the L3 interface.
ipv6:
description:
- IPv6 of the L3 interface (not supported for now).
aggregate:
description: List of L3 interfaces definitions
purge:
description:
- Purge L3 interfaces not defined in the I(aggregate) parameter.
default: false
type: bool
state:
description:
- State of the L3 interface configuration.
default: present
choices: ['present', 'absent']
"""
EXAMPLES = """
- name: Set Eth1/1 IPv4 address
mlnxos_l3_interface:
name: Eth1/1
ipv4: 192.168.0.1/24
- name: Remove Eth1/1 IPv4 address
mlnxos_l3_interface:
name: Eth1/1
state: absent
- name: Set IP addresses on aggregate
mlnxos_l3_interface:
aggregate:
- { name: Eth1/1, ipv4: 192.168.2.10/24 }
- { name: Eth1/2, ipv4: 192.168.3.10/24 }
- name: Remove IP addresses on aggregate
mlnxos_l3_interface:
aggregate:
- { name: Eth1/1, ipv4: 192.168.2.10/24 }
- { name: Eth1/2, ipv4: 192.168.3.10/24 }
state: absent
"""
RETURN = """
commands:
description: The list of configuration mode commands to send to the device
returned: always.
type: list
sample:
- interfaces ethernet 1/1 ip address 192.168.0.1 /24
"""
import re
from copy import deepcopy
from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils.six import iteritems
from ansible.module_utils.network.common.utils import remove_default_spec
from ansible.module_utils.network.mlnxos.mlnxos import BaseMlnxosModule
from ansible.module_utils.network.mlnxos.mlnxos import get_interfaces_config
class MlnxosL3InterfaceModule(BaseMlnxosModule):
IF_ETH_REGEX = re.compile(r"^Eth(\d+\/\d+|Eth\d+\/\d+\d+)$")
IF_VLAN_REGEX = re.compile(r"^Vlan (\d+)$")
IF_LOOPBACK_REGEX = re.compile(r"^Loopback (\d+)$")
IF_TYPE_ETH = "ethernet"
IF_TYPE_LOOPBACK = "loopback"
IF_TYPE_VLAN = "vlan"
IF_TYPE_MAP = {
IF_TYPE_ETH: IF_ETH_REGEX,
IF_TYPE_VLAN: IF_VLAN_REGEX,
IF_TYPE_LOOPBACK: IF_LOOPBACK_REGEX,
}
IP_ADDR_ATTR_MAP = {
IF_TYPE_ETH: 'IP Address',
IF_TYPE_VLAN: 'Internet Address',
IF_TYPE_LOOPBACK: 'Internet Address',
}
_purge = False
@classmethod
def _get_element_spec(cls):
return dict(
name=dict(type='str'),
ipv4=dict(type='str'),
ipv6=dict(type='str'),
state=dict(default='present',
choices=['present', 'absent', 'enabled', 'disabled']),
)
@classmethod
def _get_aggregate_spec(cls, element_spec):
aggregate_spec = deepcopy(element_spec)
aggregate_spec['name'] = dict(required=True)
# remove default in aggregate spec, to handle common arguments
remove_default_spec(aggregate_spec)
return aggregate_spec
def init_module(self):
""" module initialization
"""
element_spec = self._get_element_spec()
aggregate_spec = self._get_aggregate_spec(element_spec)
if aggregate_spec:
argument_spec = dict(
aggregate=dict(type='list', elements='dict',
options=aggregate_spec),
purge=dict(default=False, type='bool'),
)
else:
argument_spec = dict()
argument_spec.update(element_spec)
required_one_of = [['name', 'aggregate']]
mutually_exclusive = [['name', 'aggregate']]
self._module = AnsibleModule(
argument_spec=argument_spec,
required_one_of=required_one_of,
mutually_exclusive=mutually_exclusive,
supports_check_mode=True)
def _get_interface_type(self, if_name):
if_type = None
if_id = None
for interface_type, interface_regex in iteritems(self.IF_TYPE_MAP):
match = interface_regex.match(if_name)
if match:
if_type = interface_type
if_id = match.group(1)
break
return if_type, if_id
def _set_if_type(self, params):
if_name = params['name']
if_type, if_id = self._get_interface_type(if_name)
if not if_id:
self._module.fail_json(
msg='unsupported interface: %s' % if_name)
params['if_type'] = if_type
params['if_id'] = if_id
def get_required_config(self):
self._required_config = list()
module_params = self._module.params
aggregate = module_params.get('aggregate')
self._purge = module_params.get('purge', False)
if aggregate:
for item in aggregate:
for key in item:
if item.get(key) is None:
item[key] = module_params[key]
self.validate_param_values(item, item)
req_item = item.copy()
self._set_if_type(req_item)
self._required_config.append(req_item)
else:
params = {
'name': module_params['name'],
'ipv4': module_params['ipv4'],
'ipv6': module_params['ipv6'],
'state': module_params['state'],
}
self.validate_param_values(params)
self._set_if_type(params)
self._required_config.append(params)
def _get_interfaces_config(self, interface_type):
return get_interfaces_config(self._module, interface_type)
def _parse_interfaces_config(self, if_type, if_config):
ipaddr_attr = self.IP_ADDR_ATTR_MAP[if_type]
for if_data in if_config:
if_name = self.get_config_attr(if_data, 'header')
regex = self.IF_TYPE_MAP[if_type]
match = regex.match(if_name)
if not match:
continue
ipv4 = self.get_config_attr(if_data, ipaddr_attr)
if ipv4:
ipv4 = ipv4.replace(' ', '')
ipv6 = self.get_config_attr(if_data, 'IPv6 address(es)')
if ipv6:
ipv6 = ipv6.replace('[primary]', '')
ipv6 = ipv6.strip()
if_id = match.group(1)
switchport = self.get_config_attr(if_data, 'Switchport mode')
if_obj = {
'name': if_name,
'if_id': if_id,
'if_type': if_type,
'ipv4': ipv4,
'ipv6': ipv6,
'switchport': switchport,
}
self._current_config[if_name] = if_obj
def load_current_config(self):
# called in base class in run function
self._current_config = dict()
if_types = set([if_obj['if_type'] for if_obj in self._required_config])
for if_type in if_types:
if_config = self._get_interfaces_config(if_type)
if not if_config:
continue
self._parse_interfaces_config(if_type, if_config)
def _generate_no_ip_commands(self, req_conf, curr_conf):
curr_ip = curr_conf.get('ipv4')
if_type = req_conf['if_type']
if_id = req_conf['if_id']
if curr_ip:
cmd = "interface %s %s no ip address" % (if_type, if_id)
self._commands.append(cmd)
curr_ipv6 = curr_conf.get('ipv6')
if curr_ipv6:
cmd = "interface %s %s no ipv6 address %s" % (
if_type, if_id, curr_ipv6)
self._commands.append(cmd)
def _generate_ip_commands(self, req_conf, curr_conf):
curr_ipv4 = curr_conf.get('ipv4')
req_ipv4 = req_conf.get('ipv4')
curr_ipv6 = curr_conf.get('ipv6')
req_ipv6 = req_conf.get('ipv6')
if_type = req_conf['if_type']
if_id = req_conf['if_id']
switchport = curr_conf.get('switchport')
if switchport:
cmd = "interface %s %s no switchport force" % (if_type, if_id)
self._commands.append(cmd)
if curr_ipv4 != req_ipv4:
cmd = "interface %s %s ip address %s" % (if_type, if_id, req_ipv4)
self._commands.append(cmd)
if curr_ipv6 != req_ipv6:
cmd = "interface %s %s ipv6 address %s" % (
if_type, if_id, req_ipv6)
self._commands.append(cmd)
def generate_commands(self):
req_interfaces = set()
for req_conf in self._required_config:
state = req_conf['state']
if_name = req_conf['name']
curr_conf = self._current_config.get(if_name, {})
if state == 'absent':
self._generate_no_ip_commands(req_conf, curr_conf)
else:
req_interfaces.add(if_name)
self._generate_ip_commands(req_conf, curr_conf)
if self._purge:
for if_name, curr_conf in iteritems(self._current_config):
if if_name not in req_interfaces:
self._generate_no_ip_commands(req_conf, curr_conf)
def main():
""" main entry point for module execution
"""
MlnxosL3InterfaceModule.main()
if __name__ == '__main__':
main()

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[
{
"Broadcast address": "172.3.1.255",
"Fec": "auto",
"Tx": {
"error packets": "0",
"packets": "0",
"bytes": "0",
"multicast packets": "0",
"unicast packets": "0",
"discard packets": "0",
"hoq discard packets": "0",
"broadcast packets": "0"
},
"Rx": {
"error packets": "0",
"packets": "0",
"bytes": "0",
"multicast packets": "0",
"unicast packets": "0",
"discard packets": "0",
"broadcast packets": "0"
},
"header": "Eth1/5",
"Arp timeout": "1500 seconds",
"Actual speed": "40 Gbps",
"60 seconds egress rate": "0 bits/sec, 0 bytes/sec, 0 packets/sec",
"Last change in operational status": "Never",
"Boot delay time": "0 sec",
"Description": "N\\A",
"DHCP client": "Disabled",
"VRF": "default",
"Mac address": "24:8A:07:F5:54:01",
"60 seconds ingress rate": "0 bits/sec, 0 bytes/sec, 0 packets/sec",
"Last clearing of \"show interface\" counters": "Never",
"MTU": "1500 bytes(Maximum packet size 1522 bytes)",
"Telemetry threshold": "Disabled\t TCs: N\\A",
"Telemetry threshold level": "N\\A",
"Flow-control": "receive off send off",
"Forwarding mode": "inherited cut-through",
"Admin state": "Enabled",
"Telemetry sampling": "Disabled\t TCs: N\\A",
"IP Address": "172.3.12.4 /24",
"Operational state": "Down",
"Width reduction mode": "Not supported"
},
{
"Fec": "auto",
"Mac address": "24:8a:07:f5:54:0c",
"60 seconds ingress rate": "0 bits/sec, 0 bytes/sec, 0 packets/sec",
"Last clearing of \"show interface\" counters": "Never",
"Actual speed": "40 Gbps",
"MTU": "1500 bytes(Maximum packet size 1522 bytes)",
"header": "Eth1/6",
"Telemetry threshold": "Disabled\t TCs: N\\A",
"Telemetry threshold level": "N\\A",
"Flow-control": "receive off send off",
"Forwarding mode": "inherited cut-through",
"60 seconds egress rate": "0 bits/sec, 0 bytes/sec, 0 packets/sec",
"Last change in operational status": "Never",
"Boot delay time": "0 sec",
"Description": "N\\A",
"Admin state": "Enabled",
"Telemetry sampling": "Disabled\t TCs: N\\A",
"Operational state": "Down",
"Width reduction mode": "Not supported",
"Tx": {
"error packets": "0",
"packets": "0",
"bytes": "0",
"multicast packets": "0",
"unicast packets": "0",
"discard packets": "0",
"hoq discard packets": "0",
"broadcast packets": "0"
},
"MAC learning mode": "Enabled",
"Switchport mode": "access",
"Rx": {
"error packets": "0",
"packets": "0",
"bytes": "0",
"multicast packets": "0",
"unicast packets": "0",
"discard packets": "0",
"broadcast packets": "0"
}
}
]

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[
{
"Autostate": "Enabled",
"Icmp redirect": "Enabled",
"Broadcast address": "172.3.12.255",
"Description": "N/A",
"Mac Address": "7C:FE:90:E5:CA:01",
"Internet Address": "172.3.12.4/24",
"Admin state": "Enabled",
"header": "Vlan 1002",
"MTU": "1500 bytes",
"DHCP client": "Disabled",
"Operational state": "Down",
"VRF": "default",
"Arp timeout": "1500 seconds",
"Counters": "Disabled"
}
]

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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 ansible.compat.tests.mock import patch
from ansible.modules.network.mlnxos import mlnxos_l3_interface
from units.modules.utils import set_module_args
from .mlnxos_module import TestMlnxosModule, load_fixture
class TestMlnxosL3InterfaceModule(TestMlnxosModule):
module = mlnxos_l3_interface
def setUp(self):
super(TestMlnxosL3InterfaceModule, self).setUp()
self.mock_get_config = patch.object(
mlnxos_l3_interface.MlnxosL3InterfaceModule,
"_get_interfaces_config")
self.get_config = self.mock_get_config.start()
self.mock_load_config = patch(
'ansible.module_utils.network.mlnxos.mlnxos.load_config')
self.load_config = self.mock_load_config.start()
def tearDown(self):
super(TestMlnxosL3InterfaceModule, self).tearDown()
self.mock_get_config.stop()
self.mock_load_config.stop()
def _execute_module(self, failed=False, changed=False, commands=None, sort=True):
if failed:
result = self.failed()
self.assertTrue(result['failed'], result)
else:
result = self.changed(changed)
self.assertEqual(result['changed'], changed, result)
if commands is not None:
commands_res = result.get('commands')
if sort:
self.assertEqual(sorted(commands), sorted(commands_res), commands_res)
else:
self.assertEqual(commands, commands_res, commands_res)
return result
def load_fixture(self, config_file):
self.get_config.return_value = load_fixture(config_file)
self.load_config.return_value = None
def load_eth_ifc_fixture(self):
config_file = 'mlnxos_l3_interface_show.cfg'
self.load_fixture(config_file)
def load_vlan_ifc_fixture(self):
config_file = 'mlnxos_l3_vlan_interface_show.cfg'
self.load_fixture(config_file)
def test_vlan_ifc_no_change(self):
set_module_args(dict(name='Vlan 1002', state='present',
ipv4='172.3.12.4/24'))
self.load_vlan_ifc_fixture()
self._execute_module(changed=False)
def test_vlan_ifc_remove(self):
set_module_args(dict(name='Vlan 1002', state='absent'))
commands = ['interface vlan 1002 no ip address']
self.load_vlan_ifc_fixture()
self._execute_module(changed=True, commands=commands)
def test_vlan_ifc_update(self):
set_module_args(dict(name='Vlan 1002', state='present',
ipv4='172.3.13.4/24'))
commands = ['interface vlan 1002 ip address 172.3.13.4/24']
self.load_vlan_ifc_fixture()
self._execute_module(changed=True, commands=commands)
def test_eth_ifc_no_change(self):
set_module_args(dict(name='Eth1/5', state='present',
ipv4='172.3.12.4/24'))
self.load_eth_ifc_fixture()
self._execute_module(changed=False)
def test_eth_ifc_remove(self):
set_module_args(dict(name='Eth1/5', state='absent'))
commands = ['interface ethernet 1/5 no ip address']
self.load_eth_ifc_fixture()
self._execute_module(changed=True, commands=commands)
def test_eth_ifc_update(self):
set_module_args(dict(name='Eth1/5', state='present',
ipv4='172.3.13.4/24'))
commands = ['interface ethernet 1/5 ip address 172.3.13.4/24']
self.load_eth_ifc_fixture()
self._execute_module(changed=True, commands=commands)
def test_eth_ifc_add_ip(self):
set_module_args(dict(name='Eth1/6', state='present',
ipv4='172.3.14.4/24'))
commands = ['interface ethernet 1/6 no switchport force',
'interface ethernet 1/6 ip address 172.3.14.4/24']
self.load_eth_ifc_fixture()
self._execute_module(changed=True, commands=commands)