425 lines
13 KiB
Python
425 lines
13 KiB
Python
#!/usr/bin/python
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# Copyright: Ansible Project
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# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
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from __future__ import absolute_import, division, print_function
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__metaclass__ = type
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ANSIBLE_METADATA = {'metadata_version': '1.1',
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'status': ['preview'],
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'supported_by': 'network'}
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DOCUMENTATION = '''
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---
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module: nxos_ntp
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extends_documentation_fragment: nxos
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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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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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peer:
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description:
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- Network address of NTP peer.
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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 or keyword 'default'.
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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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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 or
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keyword 'default'.
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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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or keyword 'default'
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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 or keyword 'default'
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state:
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description:
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- Manage the state of the resource.
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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": "192.0.2.2", "key_id": "48",
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"peer_type": "server", "prefer": "enabled",
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"source": "192.0.2.3", "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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returned: always
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type: dict
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sample: {"address": "192.0.2.2", "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": "192.0.2.2", "key_id": "48",
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"peer_type": "server", "prefer": "enabled",
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"source": "192.0.2.3", "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 192.0.2.2 prefer key 48",
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"no ntp source-interface ethernet2/1", "ntp source 192.0.2.3"]
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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 re
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from ansible.module_utils.basic import AnsibleModule
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from ansible.module_utils.network.nxos.nxos import check_args, load_config, nxos_argument_spec, run_commands
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def execute_show_command(command, module, command_type='cli_show'):
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if 'show run' not in command:
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output = 'json'
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else:
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output = 'text'
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commands = [{
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'command': command,
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'output': output,
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}]
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return run_commands(module, commands)
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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, IndexError):
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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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response = execute_show_command(
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command, module, command_type='cli_show_ascii')
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if response:
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if isinstance(response, list):
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ntp = response[0]
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else:
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ntp = response
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if ntp:
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ntp_regex = (
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r".*ntp\s(server\s(?P<address>\S+)|peer\s(?P<peer_address>\S+))"
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r"\s*((?P<prefer>prefer)\s*)?(use-vrf\s(?P<vrf_name>\S+)\s*)?"
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r"(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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if 'access-group' in peer_line:
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continue
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ntp_peer = {}
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try:
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peer_address = None
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vrf_name = 'default'
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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.items())
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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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return ntp_peer_list
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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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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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source_type, source = get_ntp_source(module)
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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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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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command_strings.insert(0, 'ntp {0} {1}'.format(peer_type, address))
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command = ''.join(command_strings)
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return command
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def config_ntp(delta, existing):
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if (delta.get('address') or delta.get('peer_type') or delta.get('vrf_name') or
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delta.get('key_id') or delta.get('prefer')):
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address = delta.get('address', existing.get('address'))
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peer_type = delta.get('peer_type', existing.get('peer_type'))
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key_id = delta.get('key_id', existing.get('key_id'))
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prefer = delta.get('prefer', existing.get('prefer'))
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vrf_name = delta.get('vrf_name', existing.get('vrf_name'))
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if delta.get('key_id') == 'default':
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key_id = None
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else:
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peer_type = None
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prefer = None
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source_type = delta.get('source_type')
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source = delta.get('source')
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if prefer:
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if prefer == 'enabled':
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prefer = True
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elif prefer == 'disabled':
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prefer = False
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if source:
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source_type = delta.get('source_type', existing.get('source_type'))
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ntp_cmds = []
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if peer_type:
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if existing.get('peer_type') and existing.get('address'):
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ntp_cmds.append('no ntp {0} {1}'.format(existing.get('peer_type'),
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existing.get('address')))
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ntp_cmds.append(set_ntp_server_peer(
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peer_type, address, prefer, key_id, vrf_name))
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if source:
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existing_source_type = existing.get('source_type')
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existing_source = existing.get('source')
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if existing_source_type and source_type != existing_source_type:
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ntp_cmds.append('no ntp {0} {1}'.format(existing_source_type, existing_source))
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if source == 'default':
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if existing_source_type and existing_source:
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ntp_cmds.append('no ntp {0} {1}'.format(existing_source_type, existing_source))
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else:
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ntp_cmds.append('ntp {0} {1}'.format(source_type, source))
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return ntp_cmds
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def main():
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argument_spec = dict(
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server=dict(type='str'),
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peer=dict(type='str'),
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key_id=dict(type='str'),
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prefer=dict(type='str', choices=['enabled', 'disabled']),
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vrf_name=dict(type='str'),
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source_addr=dict(type='str'),
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source_int=dict(type='str'),
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state=dict(choices=['absent', 'present'], default='present'),
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)
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argument_spec.update(nxos_argument_spec)
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module = AnsibleModule(argument_spec=argument_spec,
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mutually_exclusive=[
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['server', 'peer'],
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['source_addr', 'source_int']],
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supports_check_mode=True)
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warnings = list()
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check_args(module, warnings)
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server = module.params['server'] or None
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peer = module.params['peer'] or None
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key_id = module.params['key_id']
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prefer = module.params['prefer']
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vrf_name = module.params['vrf_name']
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source_addr = module.params['source_addr']
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source_int = module.params['source_int']
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state = module.params['state']
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if source_int is not None:
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source_int = source_int.lower()
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if server:
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peer_type = 'server'
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address = server
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elif peer:
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peer_type = 'peer'
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address = peer
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else:
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peer_type = None
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address = None
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source_type = None
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source = None
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if source_addr:
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source_type = 'source'
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source = source_addr
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elif source_int:
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source_type = 'source-interface'
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source = source_int
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if key_id or vrf_name or prefer:
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if not server and not peer:
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module.fail_json(
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msg='Please supply the server or peer parameter')
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args = dict(peer_type=peer_type, address=address, key_id=key_id,
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prefer=prefer, vrf_name=vrf_name, source_type=source_type,
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source=source)
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proposed = dict((k, v) for k, v in args.items() if v is not None)
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existing, peer_server_list = get_ntp_existing(address, peer_type, module)
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end_state = existing
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changed = False
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commands = []
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if state == 'present':
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delta = dict(set(proposed.items()).difference(existing.items()))
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if delta.get('key_id') and delta.get('key_id') == 'default':
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if not existing.get('key_id'):
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delta.pop('key_id')
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if delta:
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command = config_ntp(delta, existing)
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if command:
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commands.append(command)
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elif state == 'absent':
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if existing.get('peer_type') and existing.get('address'):
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command = 'no ntp {0} {1}'.format(
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existing['peer_type'], existing['address'])
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if command:
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commands.append([command])
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existing_source_type = existing.get('source_type')
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existing_source = existing.get('source')
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proposed_source_type = proposed.get('source_type')
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proposed_source = proposed.get('source')
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if proposed_source_type:
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if proposed_source_type == existing_source_type:
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if proposed_source == existing_source:
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command = 'no ntp {0} {1}'.format(
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existing_source_type, existing_source)
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if command:
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commands.append([command])
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cmds = flatten_list(commands)
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if cmds:
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if module.check_mode:
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module.exit_json(changed=True, commands=cmds)
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else:
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changed = True
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load_config(module, cmds)
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end_state = get_ntp_existing(address, peer_type, module)[0]
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if 'configure' in cmds:
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cmds.pop(0)
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results = {}
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results['proposed'] = proposed
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results['existing'] = existing
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results['updates'] = cmds
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results['changed'] = changed
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results['warnings'] = warnings
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results['end_state'] = end_state
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results['peer_server_list'] = peer_server_list
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module.exit_json(**results)
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if __name__ == '__main__':
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main()
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