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community.general/plugins/modules/network/edgeos/edgeos_facts.py

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2020-03-09 10:11:07 +01:00
#!/usr/bin/python
# -*- coding: utf-8 -*-
# Copyright (c) 2018 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: edgeos_facts
author:
- Nathaniel Case (@Qalthos)
- Sam Doran (@samdoran)
short_description: Collect facts from remote devices running EdgeOS
description:
- Collects a base set of device facts from a remote device that
is running EdgeOS. This module prepends all of the
base network fact keys with U(ansible_net_<fact>). The facts
module will always collect a base set of facts from the device
and can enable or disable collection of additional facts.
notes:
- Tested against EdgeOS 1.9.7
options:
gather_subset:
description:
- When supplied, this argument will restrict the facts collected
to a given subset. Possible values for this argument include
all, default, config, and neighbors. Can specify a list of
values to include a larger subset. Values can also be used
with an initial C(M(!)) to specify that a specific subset should
not be collected.
required: false
default: "!config"
'''
EXAMPLES = """
- name: collect all facts from the device
edgeos_facts:
gather_subset: all
- name: collect only the config and default facts
edgeos_facts:
gather_subset: config
- name: collect everything exception the config
edgeos_facts:
gather_subset: "!config"
"""
RETURN = """
ansible_net_config:
description: The running-config from the device
returned: when config is configured
type: str
ansible_net_commits:
description: The set of available configuration revisions
returned: when present
type: list
ansible_net_hostname:
description: The configured system hostname
returned: always
type: str
ansible_net_model:
description: The device model string
returned: always
type: str
ansible_net_serialnum:
description: The serial number of the device
returned: always
type: str
ansible_net_version:
description: The version of the software running
returned: always
type: str
ansible_net_neighbors:
description: The set of LLDP neighbors
returned: when interface is configured
type: list
ansible_net_gather_subset:
description: The list of subsets gathered by the module
returned: always
type: list
"""
import re
from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils.six import iteritems
from ansible_collections.community.general.plugins.module_utils.network.edgeos.edgeos import run_commands
class FactsBase(object):
COMMANDS = frozenset()
def __init__(self, module):
self.module = module
self.facts = dict()
self.responses = None
def populate(self):
self.responses = run_commands(self.module, list(self.COMMANDS))
class Default(FactsBase):
COMMANDS = [
'show version',
'show host name',
]
def populate(self):
super(Default, self).populate()
data = self.responses[0]
self.facts['version'] = self.parse_version(data)
self.facts['serialnum'] = self.parse_serialnum(data)
self.facts['model'] = self.parse_model(data)
self.facts['hostname'] = self.responses[1]
def parse_version(self, data):
match = re.search(r'Version:\s*v(\S+)', data)
if match:
return match.group(1)
def parse_model(self, data):
match = re.search(r'HW model:\s*([A-Za-z0-9- ]+)', data)
if match:
return match.group(1)
def parse_serialnum(self, data):
match = re.search(r'HW S/N:\s+(\S+)', data)
if match:
return match.group(1)
class Config(FactsBase):
COMMANDS = [
'show configuration commands',
'show system commit',
]
def populate(self):
super(Config, self).populate()
self.facts['config'] = self.responses
commits = self.responses[1]
entries = list()
entry = None
for line in commits.split('\n'):
match = re.match(r'(\d+)\s+(.+)by(.+)via(.+)', line)
if match:
if entry:
entries.append(entry)
entry = dict(revision=match.group(1),
datetime=match.group(2),
by=str(match.group(3)).strip(),
via=str(match.group(4)).strip(),
comment=None)
elif entry:
entry['comment'] = line.strip()
self.facts['commits'] = entries
class Neighbors(FactsBase):
COMMANDS = [
'show lldp neighbors',
'show lldp neighbors detail',
]
def populate(self):
super(Neighbors, self).populate()
all_neighbors = self.responses[0]
if 'LLDP not configured' not in all_neighbors:
neighbors = self.parse(
self.responses[1]
)
self.facts['neighbors'] = self.parse_neighbors(neighbors)
def parse(self, data):
parsed = list()
values = None
for line in data.split('\n'):
if not line:
continue
elif line[0] == ' ':
values += '\n%s' % line
elif line.startswith('Interface'):
if values:
parsed.append(values)
values = line
if values:
parsed.append(values)
return parsed
def parse_neighbors(self, data):
facts = dict()
for item in data:
interface = self.parse_interface(item)
host = self.parse_host(item)
port = self.parse_port(item)
if interface not in facts:
facts[interface] = list()
facts[interface].append(dict(host=host, port=port))
return facts
def parse_interface(self, data):
match = re.search(r'^Interface:\s+(\S+),', data)
return match.group(1)
def parse_host(self, data):
match = re.search(r'SysName:\s+(.+)$', data, re.M)
if match:
return match.group(1)
def parse_port(self, data):
match = re.search(r'PortDescr:\s+(.+)$', data, re.M)
if match:
return match.group(1)
FACT_SUBSETS = dict(
default=Default,
neighbors=Neighbors,
config=Config
)
VALID_SUBSETS = frozenset(FACT_SUBSETS.keys())
def main():
spec = dict(
gather_subset=dict(default=['!config'], type='list')
)
module = AnsibleModule(argument_spec=spec,
supports_check_mode=True)
warnings = list()
gather_subset = module.params['gather_subset']
runable_subsets = set()
exclude_subsets = set()
for subset in gather_subset:
if subset == 'all':
runable_subsets.update(VALID_SUBSETS)
continue
if subset.startswith('!'):
subset = subset[1:]
if subset == 'all':
exclude_subsets.update(VALID_SUBSETS)
continue
exclude = True
else:
exclude = False
if subset not in VALID_SUBSETS:
module.fail_json(msg='Subset must be one of [%s], got %s' %
(', '.join(VALID_SUBSETS), subset))
if exclude:
exclude_subsets.add(subset)
else:
runable_subsets.add(subset)
if not runable_subsets:
runable_subsets.update(VALID_SUBSETS)
runable_subsets.difference_update(exclude_subsets)
runable_subsets.add('default')
facts = dict()
facts['gather_subset'] = list(runable_subsets)
instances = list()
for key in runable_subsets:
instances.append(FACT_SUBSETS[key](module))
for inst in instances:
inst.populate()
facts.update(inst.facts)
ansible_facts = dict()
for key, value in iteritems(facts):
key = 'ansible_net_%s' % key
ansible_facts[key] = value
module.exit_json(ansible_facts=ansible_facts, warnings=warnings)
if __name__ == '__main__':
main()