mirror of
https://github.com/thegeeklab/ansible-later.git
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428 lines
12 KiB
Python
428 lines
12 KiB
Python
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# (c) 2017, Ansible by Red Hat, inc
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#
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# This file is part of Ansible by Red Hat
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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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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: eos_logging
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version_added: "2.4"
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author: "Trishna Guha (@trishnaguha)"
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short_description: Manage logging on network devices
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description:
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- This module provides declarative management of logging
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on Arista Eos devices.
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notes:
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- Tested against EOS 4.15
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options:
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dest:
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description:
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- Destination of the logs.
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choices: ['on', 'host', console', 'monitor', 'buffered']
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name:
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description:
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- If value of C(dest) is I(host) C(name) should be specified,
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which indicates hostname or IP address.
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size:
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description:
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- Size of buffer. The acceptable value is in range from 10 to
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2147483647 bytes.
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facility:
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description:
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- Set logging facility.
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level:
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description:
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- Set logging severity levels.
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choices: ['emergencies', 'alerts', 'critical', 'errors',
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'warnings', 'notifications', 'informational', 'debugging']
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aggregate:
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description: List of logging definitions.
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state:
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description:
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- State of the logging configuration.
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default: present
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choices: ['present', 'absent']
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extends_documentation_fragment: eos
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"""
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EXAMPLES = """
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- name: configure host logging
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eos_logging:
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dest: host
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name: 172.16.0.1
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state: present
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- name: remove host logging configuration
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eos_logging:
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dest: host
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name: 172.16.0.1
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state: absent
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- name: configure console logging level and facility
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eos_logging:
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dest: console
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facility: local7
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level: debugging
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state: present
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- name: enable logging to all
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eos_logging:
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dest : on
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- name: configure buffer size
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eos_logging:
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dest: buffered
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size: 5000
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- name: Configure logging using aggregate
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eos_logging:
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aggregate:
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- { dest: console, level: warnings }
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- { dest: buffered, size: 480000 }
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state: present
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"""
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RETURN = """
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commands:
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description: The list of configuration mode commands to send to the device
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returned: always
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type: list
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sample:
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- logging facility local7
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- logging host 172.16.0.1
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"""
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import re
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from copy import deepcopy
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from ansible.module_utils.basic import AnsibleModule
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from ansible.module_utils.network.common.utils import remove_default_spec
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from ansible.module_utils.network.eos.eos import get_config, load_config
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from ansible.module_utils.network.eos.eos import eos_argument_spec, check_args
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DEST_GROUP = ['on', 'host', 'console', 'monitor', 'buffered']
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LEVEL_GROUP = ['emergencies', 'alerts', 'critical', 'errors',
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'warnings', 'notifications', 'informational',
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'debugging']
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def validate_size(value, module):
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if value:
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if not int(10) <= value <= int(2147483647):
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module.fail_json(msg='size must be between 10 and 2147483647')
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else:
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return value
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def map_obj_to_commands(updates, module):
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commands = list()
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want, have = updates
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for w in want:
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dest = w['dest']
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name = w['name']
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size = w['size']
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facility = w['facility']
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level = w['level']
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state = w['state']
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del w['state']
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if state == 'absent' and w in have:
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if dest:
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if dest == 'host':
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commands.append('no logging host {}'.format(name))
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elif dest in DEST_GROUP:
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commands.append('no logging {}'.format(dest))
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else:
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module.fail_json(msg='dest must be among console, monitor, buffered, host, on')
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if facility:
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commands.append('no logging facility {}'.format(facility))
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if state == 'present' and w not in have:
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if facility:
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present = False
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# Iterate over every dictionary in the 'have' list to check if
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# similar configuration for facility exists or not
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for entry in have:
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if not entry['dest'] and entry['facility'] == facility:
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present = True
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if not present:
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commands.append('logging facility {}'.format(facility))
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if dest == 'host':
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commands.append('logging host {}'.format(name))
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elif dest == 'on':
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commands.append('logging on')
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elif dest == 'buffered' and size:
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present = False
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# Deals with the following two cases:
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# Case 1: logging buffered <size> <level>
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# logging buffered <same-size>
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#
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# Case 2: Same buffered logging configuration
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# already exists (i.e., both size &
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# level are same)
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for entry in have:
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if entry['dest'] == 'buffered' and entry['size'] == size:
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if not level or entry['level'] == level:
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present = True
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if not present:
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if size and level:
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commands.append('logging buffered {} {}'.format(size, level))
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else:
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commands.append('logging buffered {}'.format(size))
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else:
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dest_cmd = 'logging {}'.format(dest)
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if level:
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dest_cmd += ' {}'.format(level)
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commands.append(dest_cmd)
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return commands
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def parse_facility(line):
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facility = None
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match = re.search(r'logging facility (\S+)', line, re.M)
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if match:
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facility = match.group(1)
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return facility
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def parse_size(line, dest):
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size = None
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if dest == 'buffered':
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match = re.search(r'logging buffered (\S+)', line, re.M)
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if match:
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try:
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int_size = int(match.group(1))
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except ValueError:
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int_size = None
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if int_size:
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if isinstance(int_size, int):
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size = str(match.group(1))
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else:
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size = str(10)
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return size
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def parse_name(line, dest):
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name = None
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if dest == 'host':
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match = re.search(r'logging host (\S+)', line, re.M)
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if match:
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name = match.group(1)
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return name
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def parse_level(line, dest):
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level = None
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if dest is not 'host':
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# Line for buffer logging entry in running-config is of the form:
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# logging buffered <size> <level>
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if dest == 'buffered':
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match = re.search(r'logging buffered (?:\d+) (\S+)', line, re.M)
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else:
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match = re.search(r'logging {} (\S+)'.format(dest), line, re.M)
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if match:
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if match.group(1) in LEVEL_GROUP:
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level = match.group(1)
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return level
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def map_config_to_obj(module):
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obj = []
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data = get_config(module, flags=['section logging'])
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for line in data.split('\n'):
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match = re.search(r'logging (\S+)', line, re.M)
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if match:
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if match.group(1) in DEST_GROUP:
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dest = match.group(1)
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else:
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dest = None
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obj.append({'dest': dest,
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'name': parse_name(line, dest),
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'size': parse_size(line, dest),
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'facility': parse_facility(line),
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'level': parse_level(line, dest)})
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return obj
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def parse_obj(obj, module):
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if module.params['size'] is None:
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obj.append({
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'dest': module.params['dest'],
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'name': module.params['name'],
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'size': module.params['size'],
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'facility': module.params['facility'],
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'level': module.params['level'],
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'state': module.params['state']
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})
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else:
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obj.append({
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'dest': module.params['dest'],
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'name': module.params['name'],
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'size': str(validate_size(module.params['size'], module)),
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'facility': module.params['facility'],
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'level': module.params['level'],
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'state': module.params['state']
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})
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return obj
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def map_params_to_obj(module, required_if=None):
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obj = []
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aggregate = module.params.get('aggregate')
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if aggregate:
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for item in aggregate:
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for key in item:
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if item.get(key) is None:
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item[key] = module.params[key]
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module._check_required_if(required_if, item)
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d = item.copy()
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if d['dest'] != 'host':
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d['name'] = None
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if d['dest'] == 'buffered':
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if 'size' in d:
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d['size'] = str(validate_size(d['size'], module))
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elif 'size' not in d:
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d['size'] = str(10)
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else:
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pass
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if d['dest'] != 'buffered':
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d['size'] = None
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obj.append(d)
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else:
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if module.params['dest'] != 'host':
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module.params['name'] = None
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if module.params['dest'] == 'buffered':
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if not module.params['size']:
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module.params['size'] = str(10)
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else:
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module.params['size'] = None
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parse_obj(obj, module)
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return obj
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def main():
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""" main entry point for module execution
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"""
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element_spec = dict(
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dest=dict(choices=DEST_GROUP),
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name=dict(),
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size=dict(type='int'),
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facility=dict(),
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level=dict(choices=LEVEL_GROUP),
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state=dict(default='present', choices=['present', 'absent']),
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)
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aggregate_spec = deepcopy(element_spec)
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# remove default in aggregate spec, to handle common arguments
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remove_default_spec(aggregate_spec)
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argument_spec = dict(
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aggregate=dict(type='list', elements='dict', options=aggregate_spec),
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)
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argument_spec.update(element_spec)
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argument_spec.update(eos_argument_spec)
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required_if = [('dest', 'host', ['name'])]
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module = AnsibleModule(argument_spec=argument_spec,
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required_if=required_if,
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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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result = {'changed': False}
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if warnings:
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result['warnings'] = warnings
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have = map_config_to_obj(module)
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want = map_params_to_obj(module, required_if=required_if)
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commands = map_obj_to_commands((want, have), module)
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result['commands'] = commands
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if commands:
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commit = not module.check_mode
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response = load_config(module, commands, commit=commit)
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if response.get('diff') and module._diff:
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result['diff'] = {'prepared': response.get('diff')}
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result['session_name'] = response.get('session')
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result['changed'] = True
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module.exit_json(**result)
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if __name__ == '__main__':
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main()
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