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#
# -*- coding: utf-8 -*-
# Copyright 2019 Red Hat
# GNU General Public License v3.0+
# (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
"""
The junos l2_interfaces fact class
It is in this file the configuration is collected from the device
for a given resource, parsed, and the facts tree is populated
based on the configuration.
"""
from __future__ import absolute_import, division, print_function
__metaclass__ = type
from copy import deepcopy
from ansible.module_utils._text import to_bytes
from ansible.module_utils.network.common import utils
from ansible.module_utils.network.junos.argspec.l2_interfaces.l2_interfaces import L2_interfacesArgs
from ansible.module_utils.network.junos.utils.utils import get_resource_config
from ansible.module_utils.six import string_types
try:
from lxml import etree
HAS_LXML = True
except ImportError:
HAS_LXML = False
class L2_interfacesFacts(object):
""" The junos l2_interfaces fact class
"""
def __init__(self, module, subspec='config', options='options'):
self._module = module
self.argument_spec = L2_interfacesArgs.argument_spec
spec = deepcopy(self.argument_spec)
if subspec:
if options:
facts_argument_spec = spec[subspec][options]
else:
facts_argument_spec = spec[subspec]
else:
facts_argument_spec = spec
self.generated_spec = utils.generate_dict(facts_argument_spec)
def populate_facts(self, connection, ansible_facts, data=None):
""" Populate the facts for interfaces
:param connection: the device connection
:param data: previously collected configuration as lxml ElementTree root instance
or valid xml sting
:rtype: dictionary
:returns: facts
"""
if not HAS_LXML:
self._module.fail_json(msg='lxml is not installed.')
if not data:
config_filter = """
<configuration>
<interfaces/>
</configuration>
"""
data = get_resource_config(connection, config_filter=config_filter)
if isinstance(data, string_types):
data = etree.fromstring(to_bytes(data, errors='surrogate_then_replace'))
self._resources = data.xpath('configuration/interfaces/interface')
objs = []
for resource in self._resources:
if resource is not None:
obj = self.render_config(self.generated_spec, resource)
if obj:
objs.append(obj)
facts = {}
if objs:
facts['l2_interfaces'] = []
params = utils.validate_config(self.argument_spec, {'config': objs})
for cfg in params['config']:
facts['l2_interfaces'].append(utils.remove_empties(cfg))
ansible_facts['ansible_network_resources'].update(facts)
return ansible_facts
def render_config(self, spec, conf):
"""`
Render config as dictionary structure and delete keys
from spec for null values
:param spec: The facts tree, generated from the argspec
:param conf: The ElementTree instance of configuration object
:rtype: dictionary
:returns: The generated config
"""
config = deepcopy(spec)
enhanced_layer = True
mode = utils.get_xml_conf_arg(conf, 'unit/family/ethernet-switching/interface-mode')
if mode is None:
mode = utils.get_xml_conf_arg(conf, 'unit/family/ethernet-switching/port-mode')
enhanced_layer = False
# Layer 2 is configured on interface
if mode:
config['name'] = utils.get_xml_conf_arg(conf, 'name')
unit = utils.get_xml_conf_arg(conf, 'unit/name')
config['unit'] = unit if unit else 0
config['enhanced_layer'] = enhanced_layer
if mode == 'access':
config['access'] = {}
config['access']['vlan'] = utils.get_xml_conf_arg(conf, "unit/family/ethernet-switching/vlan/members")
elif mode == 'trunk':
config['trunk'] = {}
vlan_members = conf.xpath('unit/family/ethernet-switching/vlan/members')
if vlan_members:
config['trunk']['allowed_vlans'] = []
for vlan_member in vlan_members:
config['trunk']['allowed_vlans'].append(vlan_member.text)
config['trunk']['native_vlan'] = utils.get_xml_conf_arg(conf, "native-vlan-id")
return utils.remove_empties(config)
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