405 lines
13 KiB
Python
405 lines
13 KiB
Python
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#!/usr/bin/python
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# -*- coding: utf-8 -*-
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#
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# (c) 2017, Ansible by Red Hat, inc
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#
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# This file is part of Ansible by Red Hat
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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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from __future__ import absolute_import, division, print_function
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__metaclass__ = type
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ANSIBLE_METADATA = {'metadata_version': '1.1',
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'status': ['preview'],
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'supported_by': 'network'}
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DOCUMENTATION = """
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---
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module: mlnxos_interface
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version_added: "2.5"
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author: "Samer Deeb (@samerd)"
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short_description: Manage Interfaces on Mellanox MLNX-OS network devices
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description:
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- This module provides declarative management of Interfaces
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on Mellanox MLNX-OS network devices.
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notes:
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options:
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name:
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description:
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- Name of the Interface.
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required: true
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description:
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description:
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- Description of Interface.
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enabled:
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description:
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- Interface link status.
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type: bool
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speed:
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description:
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- Interface link speed.
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choices: ['1G', '10G', '25G', '40G', '50G', '56G', '100G']
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mtu:
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description:
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- Maximum size of transmit packet.
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aggregate:
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description: List of Interfaces definitions.
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duplex:
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description:
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- Interface link status
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default: auto
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choices: ['full', 'half', 'auto']
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tx_rate:
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description:
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- Transmit rate in bits per second (bps).
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rx_rate:
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description:
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- Receiver rate in bits per second (bps).
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delay:
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description:
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- Time in seconds to wait before checking for the operational state on
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remote device. This wait is applicable for operational state argument
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which are I(state) with values C(up)/C(down).
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default: 10
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purge:
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description:
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- Purge Interfaces not defined in the aggregate parameter.
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This applies only for logical interface.
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default: no
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state:
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description:
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- State of the Interface configuration, C(up) means present and
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operationally up and C(down) means present and operationally C(down)
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default: present
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choices: ['present', 'absent', 'up', 'down']
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"""
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EXAMPLES = """
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- name: configure interface
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mlnxos_interface:
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name: Eth1/2
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description: test-interface
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speed: 100 GB
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mtu: 512
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- name: make interface up
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mlnxos_interface:
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name: Eth1/2
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enabled: True
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- name: make interface down
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mlnxos_interface:
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name: Eth1/2
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enabled: False
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- name: Check intent arguments
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mlnxos_interface:
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name: Eth1/2
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state: up
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- name: Config + intent
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mlnxos_interface:
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name: Eth1/2
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enabled: False
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state: down
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"""
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RETURN = """
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commands:
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description: The list of configuration mode commands to send to the device.
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returned: always
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type: list
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sample:
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- interface Eth1/2
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- description test-interface
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- mtu 512
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"""
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from copy import deepcopy
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import re
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from time import sleep
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from ansible.module_utils.basic import AnsibleModule
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from ansible.module_utils.network.common.utils import conditional, \
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remove_default_spec
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from ansible.module_utils.network.mlnxos.mlnxos import BaseMlnxosModule, \
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get_interfaces_config
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class MlnxosInterfaceModule(BaseMlnxosModule):
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ETH_IF_NAME_REGEX = re.compile(r'^Eth(\d\/\d+(|\/\d))$')
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@classmethod
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def _get_element_spec(cls):
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return dict(
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name=dict(type='str'),
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description=dict(),
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speed=dict(choices=['1G', '10G', '25G', '40G', '50G', '56G', '100G']),
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mtu=dict(type='int'),
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enabled=dict(default=True, type='bool'),
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delay=dict(default=10, type='int'),
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state=dict(default='present',
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choices=['present', 'absent', 'up', 'down']),
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tx_rate=dict(),
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rx_rate=dict(),
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)
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@classmethod
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def _get_aggregate_spec(cls, element_spec):
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aggregate_spec = deepcopy(element_spec)
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aggregate_spec['name'] = dict(required=True)
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# remove default in aggregate spec, to handle common arguments
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remove_default_spec(aggregate_spec)
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return aggregate_spec
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def init_module(self):
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""" main entry point for module execution
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"""
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element_spec = self._get_element_spec()
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aggregate_spec = self._get_aggregate_spec(element_spec)
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if aggregate_spec:
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argument_spec = dict(
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aggregate=dict(type='list', elements='dict',
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options=aggregate_spec),
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purge=dict(default=False, type='bool'),
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)
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else:
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argument_spec = dict()
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argument_spec.update(element_spec)
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required_one_of = [['name', 'aggregate']]
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mutually_exclusive = [['name', 'aggregate']]
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self._module = AnsibleModule(
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argument_spec=argument_spec,
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required_one_of=required_one_of,
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mutually_exclusive=mutually_exclusive,
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supports_check_mode=True)
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def validate_name(self, value):
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if not self.ETH_IF_NAME_REGEX.match(value):
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self._module.fail_json(msg='Invalid interface name!')
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def validate_purge(self, value):
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if value:
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self._module.fail_json(
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msg='Purge is not supported for ethernet interfaces!')
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def validate_duplex(self, value):
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if value != 'auto':
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self._module.fail_json(
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msg='Duplex is not supported for ethernet interfaces')
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def validate_state(self, value):
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if value == 'absent':
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self._module.fail_json(
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msg='Cannot remove physical interfaces')
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def get_required_config(self):
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self._required_config = list()
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module_params = self._module.params
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aggregate = module_params.get('aggregate')
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if aggregate:
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for item in aggregate:
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for key in item:
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if item.get(key) is None:
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item[key] = module_params[key]
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self.validate_param_values(item, item)
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req_item = item.copy()
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self._required_config.append(req_item)
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else:
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params = {
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'name': module_params['name'],
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'description': module_params['description'],
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'speed': module_params['speed'],
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'mtu': module_params['mtu'],
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'state': module_params['state'],
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'delay': module_params['delay'],
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'enabled': module_params['enabled'],
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'tx_rate': module_params['tx_rate'],
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'rx_rate': module_params['rx_rate'],
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}
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self.validate_param_values(params)
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self._required_config.append(params)
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@classmethod
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def get_if_name(cls, item):
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return cls.get_config_attr(item, "header")
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@classmethod
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def get_if_cmd(cls, if_name):
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return if_name.replace("Eth", "interface ethernet ")
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@classmethod
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def get_admin_state(cls, item):
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admin_state = cls.get_config_attr(item, "Admin state")
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return str(admin_state).lower() == "enabled"
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@classmethod
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def get_oper_state(cls, item):
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oper_state = cls.get_config_attr(item, "Operational state")
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return str(oper_state).lower()
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def add_command_to_interface(self, interface, cmd):
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if interface not in self._commands:
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self._commands.append(interface)
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self._commands.append(cmd)
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def get_speed(self, item):
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speed = self.get_config_attr(item, 'Actual speed')
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try:
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speed = int(speed.split()[0])
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return "%dG" % speed
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except ValueError:
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return None
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def _create_if_data(self, name, item):
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return {
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'name': name,
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'description': self.get_config_attr(item, 'Description'),
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'speed': self.get_speed(item),
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'mtu': self.get_mtu(item),
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'enabled': self.get_admin_state(item),
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'state': self.get_oper_state(item)
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}
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def _get_interfaces_config(self):
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return get_interfaces_config(self._module, "ethernet")
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def load_current_config(self):
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self._current_config = dict()
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config = self._get_interfaces_config()
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for item in config:
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name = self.get_if_name(item)
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self._current_config[name] = self._create_if_data(name, item)
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def generate_commands(self):
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for req_if in self._required_config:
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name = req_if['name']
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curr_if = self._current_config.get(name)
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if not curr_if:
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self._module.fail_json(
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msg='could not find interface %s' % name)
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continue
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self._generate_if_commands(name, req_if, curr_if)
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def _generate_if_commands(self, name, req_if, curr_if):
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args = ('speed', 'description', 'mtu')
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enabled = req_if['enabled']
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add_exit = False
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interface_prefix = self.get_if_cmd(name)
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for attr_name in args:
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candidate = req_if.get(attr_name)
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running = curr_if.get(attr_name)
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if candidate != running:
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if candidate:
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cmd = attr_name + ' ' + str(candidate)
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if attr_name in ('mtu', 'speed'):
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cmd = cmd + ' ' + 'force'
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self.add_command_to_interface(interface_prefix, cmd)
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add_exit = True
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curr_enabled = curr_if.get('enabled', False)
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if enabled != curr_enabled:
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cmd = 'shutdown'
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if enabled:
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cmd = "no %s" % cmd
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self.add_command_to_interface(interface_prefix, cmd)
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add_exit = True
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if add_exit:
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self._commands.append('exit')
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def _get_interfaces_rates(self):
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return get_interfaces_config(self._module, "ethernet", "rates")
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def _get_interfaces_status(self):
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return get_interfaces_config(self._module, "ethernet", "status")
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def check_declarative_intent_params(self, result):
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failed_conditions = []
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delay_called = False
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rates = None
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statuses = None
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for req_if in self._required_config:
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want_state = req_if.get('state')
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want_tx_rate = req_if.get('tx_rate')
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want_rx_rate = req_if.get('rx_rate')
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name = req_if['name']
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if want_state not in ('up', 'down') and not want_tx_rate and not \
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want_rx_rate:
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continue
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if not delay_called and result['changed']:
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delay_called = True
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delay = req_if['delay']
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if delay > 0:
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sleep(delay)
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if want_state in ('up', 'down'):
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if not statuses:
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statuses = self._get_interfaces_status()
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curr_if = statuses.get(name)
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curr_state = None
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if curr_if:
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curr_if = curr_if[0]
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curr_state = self.get_oper_state(curr_if)
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if curr_state is None or not \
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conditional(want_state, curr_state.strip()):
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failed_conditions.append(
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'state ' + 'eq(%s)' % want_state)
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if_rates = None
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if want_tx_rate or want_rx_rate:
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if not rates:
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rates = self._get_interfaces_rates()
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if_rates = rates.get(name)
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if if_rates:
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if_rates = if_rates[0]
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if want_tx_rate:
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have_tx_rate = None
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if if_rates:
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have_tx_rate = if_rates.get('egress rate')
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if have_tx_rate:
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have_tx_rate = have_tx_rate.split()[0]
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if have_tx_rate is None or not \
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conditional(want_tx_rate, have_tx_rate.strip(),
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cast=int):
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failed_conditions.append('tx_rate ' + want_tx_rate)
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if want_rx_rate:
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||
|
|
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
|
||
|
|
"""
|
||
|
|
MlnxosInterfaceModule.main()
|
||
|
|
|
||
|
|
|
||
|
|
if __name__ == '__main__':
|
||
|
|
main()
|