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community.general/plugins/modules/network/onyx/onyx_interface.py

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2020-03-09 10:11:07 +01:00
#!/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_interface
author: "Samer Deeb (@samerd)"
short_description: Manage Interfaces on Mellanox ONYX network devices
description:
- This module provides declarative management of Interfaces
on Mellanox ONYX network devices.
notes:
options:
name:
description:
- Name of the Interface.
required: true
description:
description:
- Description of Interface.
enabled:
description:
- Interface link status.
type: bool
speed:
description:
- Interface link speed.
choices: ['1G', '10G', '25G', '40G', '50G', '56G', '100G']
mtu:
description:
- Maximum size of transmit packet.
aggregate:
description: List of Interfaces definitions.
duplex:
description:
- Interface link status
default: auto
choices: ['full', 'half', 'auto']
tx_rate:
description:
- Transmit rate in bits per second (bps).
- This is state check parameter only.
- Supports conditionals, see L(Conditionals in Networking Modules,../network/user_guide/network_working_with_command_output.html)
rx_rate:
description:
- Receiver rate in bits per second (bps).
- This is state check parameter only.
- Supports conditionals, see L(Conditionals in Networking Modules,../network/user_guide/network_working_with_command_output.html)
delay:
description:
- Time in seconds to wait before checking for the operational state on
remote device. This wait is applicable for operational state argument
which are I(state) with values C(up)/C(down).
default: 10
purge:
description:
- Purge Interfaces not defined in the aggregate parameter.
This applies only for logical interface.
default: false
type: bool
state:
description:
- State of the Interface configuration, C(up) means present and
operationally up and C(down) means present and operationally C(down)
default: present
choices: ['present', 'absent', 'up', 'down']
'''
EXAMPLES = """
- name: configure interface
onyx_interface:
name: Eth1/2
description: test-interface
speed: 100G
mtu: 512
- name: make interface up
onyx_interface:
name: Eth1/2
enabled: True
- name: make interface down
onyx_interface:
name: Eth1/2
enabled: False
- name: Check intent arguments
onyx_interface:
name: Eth1/2
state: up
- name: Config + intent
onyx_interface:
name: Eth1/2
enabled: False
state: down
"""
RETURN = """
commands:
description: The list of configuration mode commands to send to the device.
returned: always
type: list
sample:
- interface ethernet 1/2
- description test-interface
- mtu 512
- exit
"""
from copy import deepcopy
import re
from time import sleep
from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils.six import iteritems
from ansible_collections.ansible.netcommon.plugins.module_utils.network.common.utils import conditional
from ansible_collections.ansible.netcommon.plugins.module_utils.network.common.utils import remove_default_spec
from ansible_collections.community.general.plugins.module_utils.network.onyx.onyx import BaseOnyxModule
from ansible_collections.community.general.plugins.module_utils.network.onyx.onyx import get_interfaces_config
class OnyxInterfaceModule(BaseOnyxModule):
IF_ETH_REGEX = re.compile(r"^Eth(\d+\/\d+|\d+\/\d+\/\d+)$")
IF_VLAN_REGEX = re.compile(r"^Vlan (\d+)$")
IF_LOOPBACK_REGEX = re.compile(r"^Loopback (\d+)$")
IF_PO_REGEX = re.compile(r"^Po(\d+)$")
IF_TYPE_ETH = "ethernet"
IF_TYPE_LOOPBACK = "loopback"
IF_TYPE_VLAN = "vlan"
IF_TYPE_PO = "port-channel"
IF_TYPE_MAP = {
IF_TYPE_ETH: IF_ETH_REGEX,
IF_TYPE_VLAN: IF_VLAN_REGEX,
IF_TYPE_LOOPBACK: IF_LOOPBACK_REGEX,
IF_TYPE_PO: IF_PO_REGEX
}
UNSUPPORTED_ATTRS = {
IF_TYPE_ETH: (),
IF_TYPE_VLAN: ('speed', 'rx_rate', 'tx_rate'),
IF_TYPE_LOOPBACK: ('speed', 'mtu', 'rx_rate', 'tx_rate'),
IF_TYPE_PO: ('speed', 'rx_rate', 'tx_rate'),
}
UNSUPPORTED_STATES = {
IF_TYPE_ETH: ('absent',),
IF_TYPE_VLAN: (),
IF_TYPE_LOOPBACK: ('up', 'down'),
IF_TYPE_PO: ('absent'),
}
IF_MODIFIABLE_ATTRS = ('speed', 'description', 'mtu')
_interface_type = None
@classmethod
def _get_element_spec(cls):
return dict(
name=dict(type='str'),
description=dict(),
speed=dict(choices=['1G', '10G', '25G', '40G', '50G', '56G', '100G']),
mtu=dict(type='int'),
enabled=dict(type='bool'),
delay=dict(default=10, type='int'),
state=dict(default='present',
choices=['present', 'absent', 'up', 'down']),
tx_rate=dict(),
rx_rate=dict(),
)
@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)
argument_spec = dict(
aggregate=dict(type='list', elements='dict',
options=aggregate_spec),
purge=dict(default=False, type='bool'),
)
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 validate_purge(self, value):
if value:
self._module.fail_json(
msg='Purge is not supported!')
def validate_duplex(self, value):
if value != 'auto':
self._module.fail_json(
msg='Duplex is not supported!')
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 _check_supported_attrs(self, if_obj):
unsupported_attrs = self.UNSUPPORTED_ATTRS[self._interface_type]
for attr in unsupported_attrs:
val = if_obj[attr]
if val is not None:
self._module.fail_json(
msg='attribute %s is not supported for %s interface' % (
attr, self._interface_type))
req_state = if_obj['state']
unsupported_states = self.UNSUPPORTED_STATES[self._interface_type]
if req_state in unsupported_states:
self._module.fail_json(
msg='%s state is not supported for %s interface' % (
req_state, self._interface_type))
def _validate_interface_type(self):
for if_obj in self._required_config:
if_type = if_obj['if_type']
if not self._interface_type:
self._interface_type = if_type
elif self._interface_type != if_type:
self._module.fail_json(
msg='Cannot aggregate interfaces from different types')
self._check_supported_attrs(if_obj)
def get_required_config(self):
self._required_config = list()
module_params = self._module.params
aggregate = module_params.get('aggregate')
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'],
'description': module_params['description'],
'speed': module_params['speed'],
'mtu': module_params['mtu'],
'state': module_params['state'],
'delay': module_params['delay'],
'enabled': module_params['enabled'],
'tx_rate': module_params['tx_rate'],
'rx_rate': module_params['rx_rate'],
}
self.validate_param_values(params)
self._set_if_type(params)
self._required_config.append(params)
self._validate_interface_type()
@classmethod
def get_if_name(cls, item):
return cls.get_config_attr(item, "header")
@classmethod
def get_admin_state(cls, item):
admin_state = cls.get_config_attr(item, "Admin state")
return str(admin_state).lower() == "enabled"
@classmethod
def get_oper_state(cls, item):
oper_state = cls.get_config_attr(item, "Operational state")
if not oper_state:
oper_state = cls.get_config_attr(item, "State")
return str(oper_state).lower()
@classmethod
def get_speed(cls, item):
speed = cls.get_config_attr(item, 'Actual speed')
if not speed:
return
try:
speed = int(speed.split()[0])
return "%dG" % speed
except ValueError:
return None
def _create_if_data(self, name, item):
regex = self.IF_TYPE_MAP[self._interface_type]
if_id = ''
match = regex.match(name)
if match:
if_id = match.group(1)
return dict(
name=name,
description=self.get_config_attr(item, 'Description'),
speed=self.get_speed(item),
mtu=self.get_mtu(item),
enabled=self.get_admin_state(item),
state=self.get_oper_state(item),
if_id=if_id)
def _get_interfaces_config(self):
return get_interfaces_config(self._module, self._interface_type)
def load_current_config(self):
self._os_version = self._get_os_version()
self._current_config = dict()
config = self._get_interfaces_config()
if not config:
return
if self._os_version < self.ONYX_API_VERSION:
for if_data in config:
if_name = self.get_if_name(if_data)
self._current_config[if_name] = self._create_if_data(
if_name, if_data)
else:
if_data = dict()
for if_config in config:
for if_name, if_attr in iteritems(if_config):
for config in if_attr:
for key, value in iteritems(config):
if_data[key] = value
self._current_config[if_name] = self._create_if_data(
if_name, if_data)
def _generate_no_if_commands(self, req_if, curr_if):
if self._interface_type == self.IF_TYPE_ETH:
name = req_if['name']
self._module.fail_json(
msg='cannot remove ethernet interface %s' % name)
if not curr_if:
return
if_id = req_if['if_id']
if not if_id:
return
self._commands.append(
'no interface %s %s' % (self._interface_type, if_id))
def _add_commands_to_interface(self, req_if, cmd_list):
if not cmd_list:
return
if_id = req_if['if_id']
if not if_id:
return
self._commands.append(
'interface %s %s' % (self._interface_type, if_id))
self._commands.extend(cmd_list)
self._commands.append('exit')
def _generate_if_commands(self, req_if, curr_if):
enabled = req_if['enabled']
cmd_list = []
for attr_name in self.IF_MODIFIABLE_ATTRS:
candidate = req_if.get(attr_name)
running = curr_if.get(attr_name)
if candidate != running:
if candidate:
cmd = attr_name + ' ' + str(candidate)
if self._interface_type == self.IF_TYPE_ETH and \
attr_name in ('mtu', 'speed'):
cmd = cmd + ' ' + 'force'
cmd_list.append(cmd)
curr_enabled = curr_if.get('enabled', False)
if enabled is not None and enabled != curr_enabled:
cmd = 'shutdown'
if enabled:
cmd = "no %s" % cmd
cmd_list.append(cmd)
if cmd_list:
self._add_commands_to_interface(req_if, cmd_list)
def generate_commands(self):
for req_if in self._required_config:
name = req_if['name']
curr_if = self._current_config.get(name, {})
if not curr_if and self._interface_type == self.IF_TYPE_ETH:
self._module.fail_json(
msg='could not find ethernet interface %s' % name)
continue
req_state = req_if['state']
if req_state == 'absent':
self._generate_no_if_commands(req_if, curr_if)
else:
self._generate_if_commands(req_if, curr_if)
def _get_interfaces_rates(self):
return get_interfaces_config(self._module, self._interface_type,
"rates")
def _get_interfaces_status(self):
return get_interfaces_config(self._module, self._interface_type,
"status")
def _check_state(self, name, want_state, statuses):
curr_if = statuses.get(name, {})
if curr_if:
curr_if = curr_if[0]
curr_state = self.get_oper_state(curr_if).strip()
if curr_state is None or not conditional(want_state, curr_state):
return 'state eq(%s)' % want_state
def check_declarative_intent_params(self, result):
failed_conditions = []
delay_called = False
rates = None
statuses = None
for req_if in self._required_config:
want_state = req_if.get('state')
want_tx_rate = req_if.get('tx_rate')
want_rx_rate = req_if.get('rx_rate')
name = req_if['name']
if want_state not in ('up', 'down') and not want_tx_rate and not \
want_rx_rate:
continue
if not delay_called and result['changed']:
delay_called = True
delay = req_if['delay']
if delay > 0:
sleep(delay)
if want_state in ('up', 'down'):
if statuses is None:
statuses = self._get_interfaces_status() or {}
cond = self._check_state(name, want_state, statuses)
if cond:
failed_conditions.append(cond)
if_rates = None
if want_tx_rate or want_rx_rate:
if not rates:
rates = self._get_interfaces_rates()
if_rates = rates.get(name)
if if_rates:
if_rates = if_rates[0]
if want_tx_rate:
have_tx_rate = None
if if_rates:
have_tx_rate = if_rates.get('egress rate')
if have_tx_rate:
have_tx_rate = have_tx_rate.split()[0]
if have_tx_rate is None or not \
conditional(want_tx_rate, have_tx_rate.strip(),
cast=int):
failed_conditions.append('tx_rate ' + want_tx_rate)
if want_rx_rate:
have_rx_rate = None
if if_rates:
have_rx_rate = if_rates.get('ingress rate')
if have_rx_rate:
have_rx_rate = have_rx_rate.split()[0]
if have_rx_rate is None or not \
conditional(want_rx_rate, have_rx_rate.strip(),
cast=int):
failed_conditions.append('rx_rate ' + want_rx_rate)
return failed_conditions
def main():
""" main entry point for module execution
"""
OnyxInterfaceModule.main()
if __name__ == '__main__':
main()