2ca2223af2
* adds support for std network facts * adds support for default facts subset * adds support for config facts subset * adds support for interface facts subset * adds support for hardware facts subset * maintains backwards capabilitity with 2.1 facts module Tested on NXOS 7.3(0)D1(1)
536 lines
16 KiB
Python
536 lines
16 KiB
Python
#!/usr/bin/python
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#
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# This file is part of Ansible
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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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DOCUMENTATION = """
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---
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module: nxos_facts
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version_added: "2.1"
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short_description: Gets facts about NX-OS switches
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description:
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- Collects facts from Cisco Nexus devices running the NX-OS operating
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system. Fact collection is supported over both Cli and Nxapi
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transports. This module prepends all of the base network fact keys
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with C(ansible_net_<fact>). The facts module will always collect a
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base set of facts from the device and can enable or disable
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collection of additional facts.
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extends_documentation_fragment: nxos
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author:
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- Jason Edelman (@jedelman8)
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- Gabriele Gerbino (@GGabriele)
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options:
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gather_subset:
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description:
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- When supplied, this argument will restrict the facts collected
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to a given subset. Possible values for this argument include
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all, hardware, config, legacy, and interfaces. Can specify a
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list of values to include a larger subset. Values can also be used
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with an initial C(M(!)) to specify that a specific subset should
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not be collected.
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required: false
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default: '!config'
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version_added: "2.2"
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"""
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EXAMPLES = """
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# Note: examples below use the following provider dict to handle
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# transport and authentication to the node.
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vars:
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cli:
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host: "{{ inventory_hostname }}"
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username: admin
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password: admin
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transport: cli
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- nxos_facts:
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gather_subset: all
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# Collect only the config and default facts
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- nxos_facts:
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gather_subset:
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- config
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# Do not collect hardware facts
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- nxos_facts:
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gather_subset:
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- "!hardware"
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"""
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RETURN = """
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ansible_net_gather_subset:
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description: The list of fact subsets collected from the device
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returned: always
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type: list
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# default
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ansible_net_model:
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description: The model name returned from the device
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returned: always
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type: str
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ansible_net_serialnum:
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description: The serial number of the remote device
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returned: always
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type: str
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ansible_net_version:
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description: The operating system version running on the remote device
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returned: always
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type: str
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ansible_net_hostname:
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description: The configured hostname of the device
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returned: always
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type: string
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ansible_net_image:
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description: The image file the device is running
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returned: always
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type: string
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# hardware
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ansible_net_filesystems:
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description: All file system names availabe on the device
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returned: when hardware is configured
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type: list
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ansible_net_memfree_mb:
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description: The available free memory on the remote device in Mb
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returned: when hardware is configured
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type: int
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ansible_net_memtotal_mb:
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description: The total memory on the remote device in Mb
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returned: when hardware is configured
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type: int
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# config
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ansible_net_config:
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description: The current active config from the device
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returned: when config is configured
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type: str
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# interfaces
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ansible_net_all_ipv4_addresses:
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description: All IPv4 addresses configured on the device
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returned: when interfaces is configured
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type: list
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ansible_net_all_ipv6_addresses:
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description: All IPv6 addresses configured on the device
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returned: when interfaces is configured
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type: list
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ansible_net_interfaces:
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description: A hash of all interfaces running on the system
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returned: when interfaces is configured
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type: dict
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ansible_net_neighbors:
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description: The list of LLDP neighbors from the remote device
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returned: when interfaces is configured
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type: dict
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# legacy (pre Ansible 2.2)
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fan_info:
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description: A hash of facts about fans in the remote device
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returned: when legacy is configured
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type: dict
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hostname:
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description: The configured hostname of the remote device
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returned: when legacy is configured
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type: dict
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interfaces_list:
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description: The list of interface names on the remote device
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returned: when legacy is configured
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type: dict
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kickstart:
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description: The software version used to boot the system
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returned: when legacy is configured
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type: str
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module:
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description: A hash of facts about the modules in a remote device
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returned: when legacy is configured
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type: dict
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platform:
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description: The hardware platform reported by the remote device
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returned: when legacy is configured
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type: str
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power_supply_info:
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description: A hash of facts about the power supplies in the remote device
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returned: when legacy is configured
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type: str
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vlan_list:
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description: The list of VLAN IDs configured on the remote device
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returned: when legacy is configured
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type: list
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"""
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import re
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from ansible.module_utils.basic import get_exception
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from ansible.module_utils.netcli import CommandRunner, AddCommandError
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from ansible.module_utils.nxos import NetworkModule, NetworkError
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def add_command(runner, command, output=None):
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try:
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runner.add_command(command, output)
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except AddCommandError:
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# AddCommandError is raised for any issue adding a command to
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# the runner. Silently ignore the exception in this case
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pass
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class FactsBase(object):
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def __init__(self, module, runner):
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self.module = module
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self.runner = runner
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self.facts = dict()
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self.commands()
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class Default(FactsBase):
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SYSTEM_MAP = {
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'sys_ver_str': 'version',
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'proc_board_id': 'serialnum',
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'chassis_id': 'model',
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'isan_file_name': 'image',
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'host_name': 'hostname'
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}
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def commands(self):
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add_command(self.runner, 'show version', output='json')
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def populate(self):
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data = self.runner.get_command('show version', output='json')
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for key, value in self.SYSTEM_MAP.iteritems():
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if key in data:
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self.facts[value] = data[key]
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class Config(FactsBase):
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def commands(self):
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add_command(self.runner, 'show running-config')
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def populate(self):
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self.facts['config'] = self.runner.get_command('show running-config')
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class Hardware(FactsBase):
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def commands(self):
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add_command(self.runner, 'dir', output='text')
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add_command(self.runner, 'show system resources', output='json')
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def populate(self):
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data = self.runner.get_command('dir', 'text')
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self.facts['filesystems'] = self.parse_filesystems(data)
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data = self.runner.get_command('show system resources', output='json')
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self.facts['memtotal_mb'] = int(data['memory_usage_total']) / 1024
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self.facts['memfree_mb'] = int(data['memory_usage_free']) / 1024
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def parse_filesystems(self, data):
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return re.findall(r'^Usage for (\S+)//', data, re.M)
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class Interfaces(FactsBase):
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INTERFACE_MAP = {
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'state': 'state',
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'desc': 'description',
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'eth_bw': 'bandwidth',
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'eth_duplex': 'duplex',
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'eth_speed': 'speed',
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'eth_mode': 'mode',
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'eth_ip_addr': 'address',
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'eth_ip_mask': 'masklen',
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'eth_hw_addr': 'macaddress',
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'eth_mtu': 'mtu',
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'eth_hw_desc': 'type'
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}
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INTERFACE_IPV4_MAP = {
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'eth_ip_addr': 'address',
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'eth_ip_mask': 'masklen'
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}
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INTERFACE_IPV6_MAP = {
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'addr': 'address',
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'prefix': 'subnet'
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}
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def commands(self):
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add_command(self.runner, 'show interface', output='json')
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resp = self.module.cli(['show ipv6 interface | wc lines'])
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if int(resp[0]) > 1:
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add_command(self.runner, 'show ipv6 interface', output='json')
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self.ipv6 = True
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else:
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self.ipv6 = False
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try:
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self.module.cli(['show lldp neighbors'])
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add_command(self.runner, 'show lldp neighbors', output='json')
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self.lldp_enabled = True
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except NetworkError:
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self.lldp_enabled = False
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def populate(self):
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self.facts['all_ipv4_addresses'] = list()
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self.facts['all_ipv6_addresses'] = list()
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data = self.runner.get_command('show interface', 'json')
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self.facts['interfaces'] = self.populate_interfaces(data)
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if self.ipv6:
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data = self.runner.get_command('show ipv6 interface', 'json')
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if data:
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self.parse_ipv6_interfaces(data)
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if self.lldp_enabled:
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data = self.runner.get_command('show lldp neighbors', 'json')
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self.facts['neighbors'] = self.populate_neighbors(data)
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def populate_interfaces(self, data):
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interfaces = dict()
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for item in data['TABLE_interface']['ROW_interface']:
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intf = dict()
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name = item['interface']
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for key, value in self.INTERFACE_MAP.iteritems():
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if key in item:
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intf[value] = item[key]
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if 'eth_ip_addr' in item:
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intf['ipv4'] = dict()
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for key, value in self.INTERFACE_IPV4_MAP.iteritems():
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if key in item:
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intf['ipv4'][value] = item[key]
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self.facts['all_ipv4_addresses'].append(item['eth_ip_addr'])
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interfaces[name] = intf
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return interfaces
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def populate_neighbors(self, data):
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data = data['TABLE_nbor']
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if isinstance(data, dict):
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data = [data]
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objects = dict()
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for item in data:
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local_intf = item['ROW_nbor']['l_port_id']
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if local_intf not in objects:
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objects[local_intf] = list()
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nbor = dict()
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nbor['port'] = item['ROW_nbor']['port_id']
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nbor['host'] = item['ROW_nbor']['chassis_id']
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objects[local_intf].append(nbor)
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return objects
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def parse_ipv6_interfaces(self, data):
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data = data['TABLE_intf']
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if isinstance(data, dict):
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data = [data]
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for item in data:
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name = item['ROW_intf']['intf-name']
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intf = self.facts['interfaces'][name]
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intf['ipv6'] = dict()
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for key, value in self.INTERFACE_IPV6_MAP.iteritems():
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intf['ipv6'][value] = item['ROW_intf'][key]
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self.facts['all_ipv6_addresses'].append(item['ROW_intf']['addr'])
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class Legacy(FactsBase):
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# facts from nxos_facts 2.1
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def commands(self):
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add_command(self.runner, 'show version', output='json')
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add_command(self.runner, 'show module', output='json')
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add_command(self.runner, 'show environment', output='json')
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add_command(self.runner, 'show interface', output='json')
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add_command(self.runner, 'show vlan brief', output='json')
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def populate(self):
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data = self.runner.get_command('show version', 'json')
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self.facts['_hostname'] = data['host_name']
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self.facts['_kickstart'] = data['kickstart_ver_str']
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self.facts['_platform'] = data['chassis_id']
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if 'rr_sys_ver' in data:
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self.facts['_os'] = data['rr_sys_ver']
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if 'rr_reason' in data:
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self.facts['_rr'] = data['rr_reason']
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data = self.runner.get_command('show interface', 'json')
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self.facts['_interfaces_list'] = self.parse_interfaces(data)
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data = self.runner.get_command('show vlan brief', 'json')
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self.facts['_vlan_list'] = self.parse_vlans(data)
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data = self.runner.get_command('show module', 'json')
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self.facts['_module'] = self.parse_module(data)
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data = self.runner.get_command('show environment', 'json')
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self.facts['_fan_info'] = self.parse_fan_info(data)
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self.facts['_power_supply_info'] = self.parse_power_supply_info(data)
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def parse_interfaces(self, data):
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objects = list()
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for item in data['TABLE_interface']['ROW_interface']:
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objects.append(item['interface'])
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return objects
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def parse_vlans(self, data):
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objects = list()
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data = data['TABLE_vlanbriefxbrief']['ROW_vlanbriefxbrief']
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if isinstance(data, dict):
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objects.append(data['vlanshowbr-vlanid-utf'])
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elif isinstance(data, list):
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for item in data:
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objects.append(item['vlanshowbr-vlanid-utf'])
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return objects
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def parse_module(self, data):
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modules = list()
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for item in data['TABLE_modinfo']['ROW_modinfo']:
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mod = dict()
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mod['model'] = item['model']
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mod['type'] = item['modtype']
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mod['ports'] = item['ports']
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mod['status'] = item['status']
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modules.append(mod)
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return modules
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def parse_fan_info(self, data):
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objects = list()
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for item in data['fandetails']['TABLE_faninfo']['ROW_faninfo']:
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obj = dict()
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obj['name'] = item['fanname']
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obj['model'] = item['fanmodel']
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if 'fanhwver' in item:
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obj['hw_ver'] = item['fanhwver']
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if 'fandir' in item:
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obj['direction'] = item['fandir']
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if 'fanstatus' in item:
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obj['status'] = item['fanstatus']
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objects.append(obj)
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return objects
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def parse_power_supply_info(self, data):
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objects = list()
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for item in data['powersup']['TABLE_psinfo']['ROW_psinfo']:
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obj = dict()
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obj['model'] = item['psmodel']
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obj['number'] = item['psnum']
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obj['status'] = item['ps_status']
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if 'actual_out' in item:
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obj['actual_output'] = item['actual_out']
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if 'actual_in' in item:
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obj['actual_in'] = item['actual_in']
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if 'total_capa' in item:
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obj['total_capacity'] = item['total_capa']
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objects.append(obj)
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return objects
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FACT_SUBSETS = dict(
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default=Default,
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legacy=Legacy,
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hardware=Hardware,
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interfaces=Interfaces,
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config=Config,
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)
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VALID_SUBSETS = frozenset(FACT_SUBSETS.keys())
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def main():
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spec = dict(
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gather_subset=dict(default=['!config'], type='list')
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)
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module = NetworkModule(argument_spec=spec, supports_check_mode=True)
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gather_subset = module.params['gather_subset']
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runable_subsets = set()
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exclude_subsets = set()
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for subset in gather_subset:
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if subset == 'all':
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runable_subsets.update(VALID_SUBSETS)
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continue
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if subset.startswith('!'):
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subset = subset[1:]
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if subset == 'all':
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exclude_subsets.update(VALID_SUBSETS)
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continue
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exclude = True
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else:
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exclude = False
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if subset not in VALID_SUBSETS:
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module.fail_json(msg='Bad subset')
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if exclude:
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exclude_subsets.add(subset)
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else:
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runable_subsets.add(subset)
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if not runable_subsets:
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runable_subsets.update(VALID_SUBSETS)
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runable_subsets.difference_update(exclude_subsets)
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runable_subsets.add('default')
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facts = dict()
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facts['gather_subset'] = list(runable_subsets)
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runner = CommandRunner(module)
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instances = list()
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for key in runable_subsets:
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instances.append(FACT_SUBSETS[key](module, runner))
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try:
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runner.run()
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except NetworkError:
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exc = get_exception()
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module.fail_json(msg=str(exc), **exc.kwargs)
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try:
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for inst in instances:
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inst.populate()
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facts.update(inst.facts)
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except Exception:
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raise
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module.exit_json(out=module.from_json(runner.items))
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ansible_facts = dict()
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for key, value in facts.iteritems():
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# this is to maintain capability with nxos_facts 2.1
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if key.startswith('_'):
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ansible_facts[key[1:]] = value
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else:
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key = 'ansible_net_%s' % key
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ansible_facts[key] = value
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module.exit_json(ansible_facts=ansible_facts)
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if __name__ == '__main__':
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main()
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