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Adding slxos-facts module and tests. (#39121)

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Matthew Stone 2018-04-27 14:58:13 -05:00 committed by John R Barker
parent 4801bf96a5
commit d2a1c1ffe5
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#!/usr/bin/python
#
# (c) 2018 Extreme Networks Inc.
#
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
#
from __future__ import absolute_import, division, print_function
__metaclass__ = type
ANSIBLE_METADATA = {'metadata_version': '1.1',
'status': ['preview'],
'supported_by': 'community'}
DOCUMENTATION = """
---
module: slxos_facts
version_added: "2.6"
author: "Lindsay Hill (@LindsayHill)"
short_description: Collect facts from devices running Extreme SLX-OS
description:
- Collects a base set of device facts from a remote device that
is running SLX-OS. This module prepends all of the
base network fact keys with C(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 SLX-OS 17s.1.02
options:
gather_subset:
description:
- When supplied, this argument will restrict the facts collected
to a given subset. Possible values for this argument include
all, hardware, config, and interfaces. 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 = """
# Collect all facts from the device
- slxos_facts:
gather_subset: all
# Collect only the config and default facts
- slxos_facts:
gather_subset:
- config
# Do not collect hardware facts
- slxos_facts:
gather_subset:
- "!hardware"
"""
RETURN = """
ansible_net_gather_subset:
description: The list of fact subsets collected from the device
returned: always
type: list
# default
ansible_net_model:
description: The model name returned from the device
returned: always
type: str
ansible_net_serialnum:
description: The serial number of the remote device
returned: always
type: str
ansible_net_version:
description: The operating system version running on the remote device
returned: always
type: str
ansible_net_hostname:
description: The configured hostname of the device
returned: always
type: string
# hardware
ansible_net_memfree_mb:
description: The available free memory on the remote device in Mb
returned: when hardware is configured
type: int
ansible_net_memtotal_mb:
description: The total memory on the remote device in Mb
returned: when hardware is configured
type: int
# config
ansible_net_config:
description: The current active config from the device
returned: when config is configured
type: str
# interfaces
ansible_net_all_ipv4_addresses:
description: All IPv4 addresses configured on the device
returned: when interfaces is configured
type: list
ansible_net_all_ipv6_addresses:
description: All Primary IPv6 addresses configured on the device
returned: when interfaces is configured
type: list
ansible_net_interfaces:
description: A hash of all interfaces running on the system
returned: when interfaces is configured
type: dict
ansible_net_neighbors:
description: The list of LLDP neighbors from the remote device
returned: when interfaces is configured
type: dict
"""
import re
from ansible.module_utils.network.slxos.slxos import run_commands
from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils.six import iteritems
class FactsBase(object):
COMMANDS = list()
def __init__(self, module):
self.module = module
self.facts = dict()
self.responses = None
def populate(self):
self.responses = run_commands(self.module, self.COMMANDS)
def run(self, cmd):
return run_commands(self.module, cmd)
class Default(FactsBase):
COMMANDS = [
'show version',
'show inventory chassis',
r'show running-config | include host\-name'
]
def populate(self):
super(Default, self).populate()
data = self.responses[0]
if data:
self.facts['version'] = self.parse_version(data)
data = self.responses[1]
if data:
self.facts['model'] = self.parse_model(data)
self.facts['serialnum'] = self.parse_serialnum(data)
data = self.responses[2]
if data:
self.facts['hostname'] = self.parse_hostname(data)
def parse_version(self, data):
match = re.search(r'SLX-OS Operating System Version: (\S+)', data)
if match:
return match.group(1)
def parse_model(self, data):
match = re.search(r'SID:(\S+)', data, re.M)
if match:
return match.group(1)
def parse_hostname(self, data):
match = re.search(r'switch-attributes host-name (\S+)', data, re.M)
if match:
return match.group(1)
def parse_serialnum(self, data):
match = re.search(r'SN:(\S+)', data, re.M)
if match:
return match.group(1)
class Hardware(FactsBase):
COMMANDS = [
'show process memory summary'
]
def populate(self):
super(Hardware, self).populate()
data = self.responses[0]
if data:
self.facts['memtotal_mb'] = int(round(int(self.parse_memtotal(data)) / 1024, 0))
self.facts['memfree_mb'] = int(round(int(self.parse_memfree(data)) / 1024, 0))
def parse_memtotal(self, data):
match = re.search(r'TotalMemory: (\d+)\s', data, re.M)
if match:
return match.group(1)
def parse_memfree(self, data):
match = re.search(r'Total Free: (\d+)\s', data, re.M)
if match:
return match.group(1)
class Config(FactsBase):
COMMANDS = ['show running-config']
def populate(self):
super(Config, self).populate()
data = self.responses[0]
if data:
self.facts['config'] = data
class Interfaces(FactsBase):
COMMANDS = [
'show interface',
'show ipv6 interface brief',
r'show lldp nei detail | inc ^Local\ Interface|^Remote\ Interface|^System\ Name'
]
def populate(self):
super(Interfaces, self).populate()
self.facts['all_ipv4_addresses'] = list()
self.facts['all_ipv6_addresses'] = list()
data = self.responses[0]
if data:
interfaces = self.parse_interfaces(data)
self.facts['interfaces'] = self.populate_interfaces(interfaces)
self.populate_ipv4_interfaces(interfaces)
data = self.responses[1]
if data:
self.populate_ipv6_interfaces(data)
data = self.responses[2]
if data:
self.facts['neighbors'] = self.parse_neighbors(data)
def populate_interfaces(self, interfaces):
facts = dict()
for key, value in iteritems(interfaces):
intf = dict()
intf['description'] = self.parse_description(value)
intf['macaddress'] = self.parse_macaddress(value)
intf['mtu'] = self.parse_mtu(value)
intf['bandwidth'] = self.parse_bandwidth(value)
intf['duplex'] = self.parse_duplex(value)
intf['lineprotocol'] = self.parse_lineprotocol(value)
intf['operstatus'] = self.parse_operstatus(value)
intf['type'] = self.parse_type(value)
facts[key] = intf
return facts
def populate_ipv4_interfaces(self, data):
for key, value in data.items():
self.facts['interfaces'][key]['ipv4'] = list()
primary_address = addresses = []
primary_address = re.findall(r'Primary Internet Address is (\S+)', value, re.M)
addresses = re.findall(r'Secondary Internet Address is (\S+)', value, re.M)
if len(primary_address) == 0:
continue
addresses.append(primary_address[0])
for address in addresses:
addr, subnet = address.split("/")
ipv4 = dict(address=addr.strip(), subnet=subnet.strip())
self.add_ip_address(addr.strip(), 'ipv4')
self.facts['interfaces'][key]['ipv4'].append(ipv4)
# Only gets primary IPv6 addresses
def populate_ipv6_interfaces(self, data):
interfaces = re.split('=+', data)[1].strip()
matches = re.findall(r'(\S+ \S+) +[\w-]+.+\s+([\d:/]+)', interfaces, re.M)
for match in matches:
interface = match[0]
self.facts['interfaces'][interface]['ipv6'] = list()
address, masklen = match[1].split('/')
ipv6 = dict(address=address, masklen=int(masklen))
self.add_ip_address(ipv6['address'], 'ipv6')
self.facts['interfaces'][interface]['ipv6'].append(ipv6)
def add_ip_address(self, address, family):
if family == 'ipv4':
self.facts['all_ipv4_addresses'].append(address)
else:
self.facts['all_ipv6_addresses'].append(address)
def parse_neighbors(self, neighbors):
facts = dict()
lines = neighbors.split('Local Interface: ')
if len(lines) == 0:
return facts
for line in lines:
match = re.search(r'(\w+ \S+)\s+\(Local Int.+?\)[\s\S]+Remote Interface: (\S+.+?) \(Remote Int.+?\)[\s\S]+System Name: (\S+)', line, re.M)
if match:
intf = match.group(1)
if intf not in facts:
facts[intf] = list()
fact = dict()
fact['host'] = match.group(3)
fact['port'] = match.group(2)
facts[intf].append(fact)
return facts
def parse_interfaces(self, data):
parsed = dict()
for interface in data.split('\n\n'):
match = re.match(r'^(\S+ \S+)', interface, re.M)
if not match:
continue
else:
parsed[match.group(1)] = interface
return parsed
def parse_description(self, data):
match = re.search(r'Description: (.+)$', data, re.M)
if match:
return match.group(1)
def parse_macaddress(self, data):
match = re.search(r'Hardware is Ethernet, address is (\S+)', data)
if match:
return match.group(1)
def parse_ipv4(self, data):
match = re.search(r'Primary Internet Address is ([^\s,]+)', data)
if match:
addr, masklen = match.group(1).split('/')
return dict(address=addr, masklen=int(masklen))
def parse_mtu(self, data):
match = re.search(r'MTU (\d+) bytes', data)
if match:
return int(match.group(1))
def parse_bandwidth(self, data):
match = re.search(r'LineSpeed Actual\s+:\s(.+)', data)
if match:
return match.group(1)
def parse_duplex(self, data):
match = re.search(r'Duplex: (\S+)', data, re.M)
if match:
return match.group(1)
def parse_type(self, data):
match = re.search(r'Hardware is (.+),', data, re.M)
if match:
return match.group(1)
def parse_lineprotocol(self, data):
match = re.search(r'line protocol is (\S+)', data, re.M)
if match:
return match.group(1)
def parse_operstatus(self, data):
match = re.match(r'^(?:.+) is (.+),', data, re.M)
if match:
return match.group(1)
FACT_SUBSETS = dict(
default=Default,
hardware=Hardware,
interfaces=Interfaces,
config=Config)
VALID_SUBSETS = frozenset(FACT_SUBSETS.keys())
def main():
"""main entry point for module execution
"""
argument_spec = dict(
gather_subset=dict(default=["!config"], type='list')
)
module = AnsibleModule(argument_spec=argument_spec,
supports_check_mode=True)
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='Bad 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
warnings = list()
module.exit_json(ansible_facts=ansible_facts)
if __name__ == '__main__':
main()

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NAME: Chassis DESCR:System Chassis
SID:BR-SLX9140 SwitchType:3001
PN:84-1002952-01 SN:EXH3349M005

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switch-attributes host-name DC2LEAF2

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SLX-OS Operating System Software
SLX-OS Operating System Version: 17s.1.02
Copyright (c) 1995-2018 Brocade Communications Systems, Inc.
Firmware name: 17s.1.02
Build Time: 00:06:59 Sep 28, 2017
Install Time: 15:58:29 Feb 9, 2018
Kernel: 2.6.34.6
Host Version: Ubuntu 14.04 LTS
Host Kernel: Linux 3.14.17
Control Processor: QEMU Virtual CPU version 2.0.0
System Uptime: 34days 4hrs 41mins 53secs
Slot Name Primary/Secondary Versions Status
---------------------------------------------------------------------------
SW/0 SLX-OS 17s.1.02 ACTIVE*
17s.1.02

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#
# (c) 2018 Extreme Networks Inc.
#
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
#
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
from ansible.compat.tests.mock import patch
from ansible.modules.network.slxos import slxos_facts
from units.modules.utils import set_module_args
from .slxos_module import TestSlxosModule, load_fixture
class TestSlxosFactsModule(TestSlxosModule):
module = slxos_facts
def setUp(self):
super(TestSlxosFactsModule, self).setUp()
self.mock_run_commands = patch('ansible.modules.network.slxos.slxos_facts.run_commands')
self.run_commands = self.mock_run_commands.start()
def tearDown(self):
super(TestSlxosFactsModule, self).tearDown()
self.mock_run_commands.stop()
def load_fixtures(self, commands=None):
def load_from_file(*args, **kwargs):
commands = args[1]
output = list()
for command in commands:
filename = str(command).split(' | ')[0].replace(' ', '_')
output.append(load_fixture('slxos_facts_%s' % filename))
return output
self.run_commands.side_effect = load_from_file
def test_slxos_facts(self):
set_module_args(dict(gather_subset='default'))
result = self.execute_module()
self.assertEqual(
result['ansible_facts']['ansible_net_model'], 'BR-SLX9140'
)
self.assertEqual(
result['ansible_facts']['ansible_net_serialnum'], 'EXH3349M005'
)