Adding nxos_ntp
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632
lib/ansible/modules/network/nxos/nxos_ntp.py
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632
lib/ansible/modules/network/nxos/nxos_ntp.py
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#!/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_ntp
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version_added: "2.2"
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short_description: Manages core NTP configuration.
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description:
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- Manages core NTP configuration.
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extends_documentation_fragment: nxos
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author:
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- Jason Edelman (@jedelman8)
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options:
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server:
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description:
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- Network address of NTP server.
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required: false
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default: null
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peer:
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description:
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- Network address of NTP peer.
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required: false
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default: null
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key_id:
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description:
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- Authentication key identifier to use with
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given NTP server or peer.
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required: false
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default: null
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prefer:
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description:
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- Makes given NTP server or peer the preferred
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NTP server or peer for the device.
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required: false
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default: null
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choices: ['enabled', 'disabled']
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vrf_name:
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description:
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- Makes the device communicate with the given
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NTP server or peer over a specific VRF.
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required: false
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default: null
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source_addr:
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description:
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- Local source address from which NTP messages are sent.
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required: false
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default: null
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source_int:
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description:
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- Local source interface from which NTP messages are sent.
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Must be fully qualified interface name.
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required: false
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default: null
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state:
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description:
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- Manage the state of the resource.
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required: false
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default: present
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choices: ['present','absent']
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'''
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EXAMPLES = '''
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# Set NTP Server with parameters
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- nxos_ntp:
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server=1.2.3.4
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key_id=32
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prefer=enabled
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host={{ inventory_hostname }}
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username={{ un }}
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password={{ pwd }}
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'''
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RETURN = '''
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proposed:
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description: k/v pairs of parameters passed into module
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returned: always
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type: dict
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sample: {"address": "2.2.2.2", "key_id": "48",
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"peer_type": "server", "prefer": "enabled",
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"source": "3.3.3.3", "source_type": "source"}
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existing:
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description:
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- k/v pairs of existing ntp server/peer
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type: dict
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sample: {"address": "2.2.2.2", "key_id": "32",
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"peer_type": "server", "prefer": "enabled",
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"source": "ethernet2/1", "source_type": "source-interface"}
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end_state:
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description: k/v pairs of ntp info after module execution
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returned: always
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type: dict
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sample: {"address": "2.2.2.2", "key_id": "48",
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"peer_type": "server", "prefer": "enabled",
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"source": "3.3.3.3", "source_type": "source"}
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updates:
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description: command sent to the device
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returned: always
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type: list
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sample: ["ntp server 2.2.2.2 prefer key 48",
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"no ntp source-interface ethernet2/1", "ntp source 3.3.3.3"]
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changed:
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description: check to see if a change was made on the device
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returned: always
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type: boolean
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sample: true
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'''
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import json
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# COMMON CODE FOR MIGRATION
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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.netcfg import NetworkConfig, ConfigLine
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from ansible.module_utils.shell import ShellError
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try:
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from ansible.module_utils.nxos import get_module
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except ImportError:
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from ansible.module_utils.nxos import NetworkModule
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def to_list(val):
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if isinstance(val, (list, tuple)):
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return list(val)
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elif val is not None:
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return [val]
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else:
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return list()
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class CustomNetworkConfig(NetworkConfig):
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def expand_section(self, configobj, S=None):
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if S is None:
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S = list()
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S.append(configobj)
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for child in configobj.children:
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if child in S:
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continue
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self.expand_section(child, S)
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return S
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def get_object(self, path):
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for item in self.items:
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if item.text == path[-1]:
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parents = [p.text for p in item.parents]
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if parents == path[:-1]:
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return item
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def to_block(self, section):
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return '\n'.join([item.raw for item in section])
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def get_section(self, path):
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try:
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section = self.get_section_objects(path)
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return self.to_block(section)
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except ValueError:
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return list()
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def get_section_objects(self, path):
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if not isinstance(path, list):
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path = [path]
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obj = self.get_object(path)
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if not obj:
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raise ValueError('path does not exist in config')
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return self.expand_section(obj)
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def add(self, lines, parents=None):
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"""Adds one or lines of configuration
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"""
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ancestors = list()
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offset = 0
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obj = None
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## global config command
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if not parents:
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for line in to_list(lines):
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item = ConfigLine(line)
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item.raw = line
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if item not in self.items:
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self.items.append(item)
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else:
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for index, p in enumerate(parents):
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try:
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i = index + 1
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obj = self.get_section_objects(parents[:i])[0]
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ancestors.append(obj)
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except ValueError:
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# add parent to config
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offset = index * self.indent
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obj = ConfigLine(p)
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obj.raw = p.rjust(len(p) + offset)
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if ancestors:
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obj.parents = list(ancestors)
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ancestors[-1].children.append(obj)
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self.items.append(obj)
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ancestors.append(obj)
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# add child objects
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for line in to_list(lines):
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# check if child already exists
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for child in ancestors[-1].children:
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if child.text == line:
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break
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else:
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offset = len(parents) * self.indent
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item = ConfigLine(line)
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item.raw = line.rjust(len(line) + offset)
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item.parents = ancestors
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ancestors[-1].children.append(item)
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self.items.append(item)
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def get_network_module(**kwargs):
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try:
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return get_module(**kwargs)
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except NameError:
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return NetworkModule(**kwargs)
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def get_config(module, include_defaults=False):
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config = module.params['config']
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if not config:
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try:
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config = module.get_config()
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except AttributeError:
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defaults = module.params['include_defaults']
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config = module.config.get_config(include_defaults=defaults)
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return CustomNetworkConfig(indent=2, contents=config)
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def load_config(module, candidate):
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config = get_config(module)
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commands = candidate.difference(config)
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commands = [str(c).strip() for c in commands]
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save_config = module.params['save']
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result = dict(changed=False)
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if commands:
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if not module.check_mode:
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try:
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module.configure(commands)
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except AttributeError:
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module.config(commands)
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if save_config:
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try:
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module.config.save_config()
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except AttributeError:
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module.execute(['copy running-config startup-config'])
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result['changed'] = True
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result['updates'] = commands
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return result
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# END OF COMMON CODE
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def execute_config_command(commands, module):
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try:
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module.configure(commands)
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except ShellError:
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clie = get_exception()
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module.fail_json(msg='Error sending CLI commands',
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error=str(clie), commands=commands)
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except AttributeError:
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try:
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commands.insert(0, 'configure')
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module.cli.add_commands(commands, output='config')
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module.cli.run_commands()
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except ShellError:
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clie = get_exception()
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module.fail_json(msg='Error sending CLI commands',
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error=str(clie), commands=commands)
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def get_cli_body_ssh(command, response, module):
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"""Get response for when transport=cli. This is kind of a hack and mainly
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needed because these modules were originally written for NX-API. And
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not every command supports "| json" when using cli/ssh. As such, we assume
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if | json returns an XML string, it is a valid command, but that the
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resource doesn't exist yet. Instead, the output will be a raw string
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when issuing commands containing 'show run'.
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"""
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if 'xml' in response[0] or response[0] == '\n':
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body = []
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elif 'show run' in command:
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body = response
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else:
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try:
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if isinstance(response[0], str):
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body = [json.loads(response[0])]
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else:
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body = response
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except ValueError:
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module.fail_json(msg='Command does not support JSON output',
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command=command)
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return body
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def execute_show(cmds, module, command_type=None):
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command_type_map = {
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'cli_show': 'json',
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'cli_show_ascii': 'text'
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}
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try:
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if command_type:
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response = module.execute(cmds, command_type=command_type)
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else:
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response = module.execute(cmds)
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except ShellError:
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clie = get_exception()
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module.fail_json(msg='Error sending {0}'.format(cmds),
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error=str(clie))
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except AttributeError:
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try:
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if command_type:
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command_type = command_type_map.get(command_type)
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module.cli.add_commands(cmds, output=command_type)
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response = module.cli.run_commands()
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else:
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module.cli.add_commands(cmds)
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response = module.cli.run_commands()
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except ShellError:
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clie = get_exception()
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module.fail_json(msg='Error sending {0}'.format(cmds),
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error=str(clie))
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return response
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def execute_show_command(command, module, command_type='cli_show'):
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if module.params['transport'] == 'cli':
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if 'show run' not in command:
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command += ' | json'
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cmds = [command]
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response = execute_show(cmds, module)
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body = get_cli_body_ssh(command, response, module)
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elif module.params['transport'] == 'nxapi':
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cmds = [command]
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body = execute_show(cmds, module, command_type=command_type)
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return body
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def flatten_list(command_lists):
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flat_command_list = []
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for command in command_lists:
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if isinstance(command, list):
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flat_command_list.extend(command)
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else:
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flat_command_list.append(command)
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return flat_command_list
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def get_ntp_source(module):
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source_type = None
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source = None
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command = 'show run | inc ntp.source'
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output = execute_show_command(command, module, command_type='cli_show_ascii')
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if output:
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try:
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if 'interface' in output[0]:
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source_type = 'source-interface'
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else:
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source_type = 'source'
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source = output[0].split()[2].lower()
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except AttributeError:
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source_type = None
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source = None
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return source_type, source
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def get_ntp_peer(module):
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command = 'show run | inc ntp.(server|peer)'
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ntp_peer_list = []
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ntp = execute_show_command(
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command, module, command_type='cli_show_ascii')[0]
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ntp_regex = (
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".*ntp\s(server\s(?P<address>\S+)|peer\s(?P<peer_address>\S+))"
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"\s*((?P<prefer>prefer)\s*)?(use-vrf\s(?P<vrf_name>\S+)\s*)?"
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"(key\s(?P<key_id>\d+))?.*"
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)
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split_ntp = ntp.splitlines()
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for peer_line in split_ntp:
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ntp_peer = {}
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try:
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peer_address = None
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vrf_name = None
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prefer = None
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key_id = None
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match_ntp = re.match(ntp_regex, peer_line, re.DOTALL)
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group_ntp = match_ntp.groupdict()
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address = group_ntp["address"]
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peer_address = group_ntp['peer_address']
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prefer = group_ntp['prefer']
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vrf_name = group_ntp['vrf_name']
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key_id = group_ntp['key_id']
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if prefer is not None:
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prefer = 'enabled'
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else:
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prefer = 'disabled'
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if address is not None:
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peer_type = 'server'
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elif peer_address is not None:
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peer_type = 'peer'
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address = peer_address
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args = dict(peer_type=peer_type, address=address, prefer=prefer,
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vrf_name=vrf_name, key_id=key_id)
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ntp_peer = dict((k, v) for k, v in args.iteritems())
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ntp_peer_list.append(ntp_peer)
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except AttributeError:
|
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ntp_peer_list = []
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|
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return ntp_peer_list
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|
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def get_ntp_existing(address, peer_type, module):
|
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peer_dict = {}
|
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peer_server_list = []
|
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|
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peer_list = get_ntp_peer(module)
|
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for peer in peer_list:
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if peer['address'] == address:
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peer_dict.update(peer)
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else:
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peer_server_list.append(peer)
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|
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source_type, source = get_ntp_source(module)
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|
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if (source_type is not None and source is not None):
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peer_dict['source_type'] = source_type
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peer_dict['source'] = source
|
||||
|
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return (peer_dict, peer_server_list)
|
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|
||||
|
||||
def set_ntp_server_peer(peer_type, address, prefer, key_id, vrf_name):
|
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command_strings = []
|
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|
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if prefer:
|
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command_strings.append(' prefer')
|
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if key_id:
|
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command_strings.append(' key {0}'.format(key_id))
|
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if vrf_name:
|
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command_strings.append(' use-vrf {0}'.format(vrf_name))
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|
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command_strings.insert(0, 'ntp {0} {1}'.format(peer_type, address))
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||||
|
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command = ''.join(command_strings)
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||||
|
||||
return command
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||||
|
||||
|
||||
def config_ntp(delta, existing):
|
||||
address = delta.get('address', existing.get('address'))
|
||||
peer_type = delta.get('peer_type', existing.get('peer_type'))
|
||||
vrf_name = delta.get('vrf_name', existing.get('vrf_name'))
|
||||
key_id = delta.get('key_id', existing.get('key_id'))
|
||||
prefer = delta.get('prefer', existing.get('prefer'))
|
||||
|
||||
source_type = delta.get('source_type')
|
||||
source = delta.get('source')
|
||||
|
||||
if prefer:
|
||||
if prefer == 'enabled':
|
||||
prefer = True
|
||||
elif prefer == 'disabled':
|
||||
prefer = False
|
||||
|
||||
if source:
|
||||
source_type = delta.get('source_type', existing.get('source_type'))
|
||||
|
||||
ntp_cmds = []
|
||||
if peer_type:
|
||||
ntp_cmds.append(set_ntp_server_peer(
|
||||
peer_type, address, prefer, key_id, vrf_name))
|
||||
if source:
|
||||
existing_source_type = existing.get('source_type')
|
||||
existing_source = existing.get('source')
|
||||
if existing_source_type and source_type != existing_source_type:
|
||||
ntp_cmds.append('no ntp {0} {1}'.format(existing_source_type, existing_source))
|
||||
ntp_cmds.append('ntp {0} {1}'.format(source_type, source))
|
||||
|
||||
return ntp_cmds
|
||||
|
||||
|
||||
def main():
|
||||
argument_spec = dict(
|
||||
server=dict(type='str'),
|
||||
peer=dict(type='str'),
|
||||
key_id=dict(type='str'),
|
||||
prefer=dict(type='str', choices=['enabled', 'disabled']),
|
||||
vrf_name=dict(type='str'),
|
||||
source_addr=dict(type='str'),
|
||||
source_int=dict(type='str'),
|
||||
state=dict(choices=['absent', 'present'], default='present'),
|
||||
)
|
||||
module = get_network_module(argument_spec=argument_spec,
|
||||
mutually_exclusive=[
|
||||
['server','peer'],
|
||||
['source_addr','source_int']],
|
||||
supports_check_mode=True)
|
||||
|
||||
server = module.params['server'] or None
|
||||
peer = module.params['peer'] or None
|
||||
key_id = module.params['key_id']
|
||||
prefer = module.params['prefer']
|
||||
vrf_name = module.params['vrf_name']
|
||||
source_addr = module.params['source_addr']
|
||||
source_int = module.params['source_int']
|
||||
state = module.params['state']
|
||||
if source_int is not None:
|
||||
source_int = source_int.lower()
|
||||
|
||||
if server:
|
||||
peer_type = 'server'
|
||||
address = server
|
||||
elif peer:
|
||||
peer_type = 'peer'
|
||||
address = peer
|
||||
else:
|
||||
peer_type = None
|
||||
address = None
|
||||
|
||||
source_type = None
|
||||
source = None
|
||||
if source_addr:
|
||||
source_type = 'source'
|
||||
source = source_addr
|
||||
elif source_int:
|
||||
source_type = 'source-interface'
|
||||
source = source_int
|
||||
|
||||
if key_id or vrf_name or prefer:
|
||||
if not server and not peer:
|
||||
module.fail_json(
|
||||
msg='Please supply the server or peer parameter')
|
||||
|
||||
args = dict(peer_type=peer_type, address=address, key_id=key_id,
|
||||
prefer=prefer, vrf_name=vrf_name, source_type=source_type,
|
||||
source=source)
|
||||
|
||||
proposed = dict((k, v) for k, v in args.iteritems() if v is not None)
|
||||
|
||||
existing, peer_server_list = get_ntp_existing(address, peer_type, module)
|
||||
|
||||
end_state = existing
|
||||
changed = False
|
||||
commands = []
|
||||
|
||||
if state == 'present':
|
||||
delta = dict(set(proposed.iteritems()).difference(existing.iteritems()))
|
||||
if delta:
|
||||
command = config_ntp(delta, existing)
|
||||
if command:
|
||||
commands.append(command)
|
||||
|
||||
elif state == 'absent':
|
||||
if existing.get('peer_type') and existing.get('address'):
|
||||
command = 'no ntp {0} {1}'.format(
|
||||
existing['peer_type'], existing['address'])
|
||||
if command:
|
||||
commands.append([command])
|
||||
|
||||
existing_source_type = existing.get('source_type')
|
||||
existing_source = existing.get('source')
|
||||
proposed_source_type = proposed.get('source_type')
|
||||
proposed_source = proposed.get('source')
|
||||
|
||||
if proposed_source_type:
|
||||
if proposed_source_type == existing_source_type:
|
||||
if proposed_source == existing_source:
|
||||
command = 'no ntp {0} {1}'.format(
|
||||
existing_source_type, existing_source)
|
||||
if command:
|
||||
commands.append([command])
|
||||
|
||||
cmds = flatten_list(commands)
|
||||
if cmds:
|
||||
if module.check_mode:
|
||||
module.exit_json(changed=True, commands=cmds)
|
||||
else:
|
||||
changed = True
|
||||
execute_config_command(cmds, module)
|
||||
end_state = get_ntp_existing(address, peer_type, module)[0]
|
||||
|
||||
results = {}
|
||||
results['proposed'] = proposed
|
||||
results['existing'] = existing
|
||||
results['updates'] = cmds
|
||||
results['changed'] = changed
|
||||
results['end_state'] = end_state
|
||||
results['peer_server_list'] = peer_server_list
|
||||
|
||||
module.exit_json(**results)
|
||||
|
||||
|
||||
from ansible.module_utils.basic import *
|
||||
if __name__ == '__main__':
|
||||
main()
|
Loading…
Reference in a new issue