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567 lines
18 KiB
Python
567 lines
18 KiB
Python
#!/usr/bin/python
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#
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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#
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DOCUMENTATION = '''
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---
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module: nxos_aaa_server
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version_added: "2.2"
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short_description: Manages AAA server global configuration.
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description:
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- Manages AAA server global 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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notes:
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- The server_type parameter is always required.
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- If encrypt_type is not supplied, the global AAA server key will be
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stored as encrypted (type 7).
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- Changes to the global AAA server key with encrypt_type=0
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are not idempotent.
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- If global AAA server key is not found, it's shown as "unknown"
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- state=default will set the supplied parameters to their default values.
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The parameters that you want to default must also be set to default.
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If global_key=default, the global key will be removed.
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options:
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server_type:
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description:
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- The server type is either radius or tacacs.
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required: true
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choices: ['radius', 'tacacs']
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global_key:
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description:
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- Global AAA shared secret.
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required: false
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default: null
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encrypt_type:
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description:
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- The state of encryption applied to the entered global key.
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O clear text, 7 encrypted. Type-6 encryption is not supported.
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required: false
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default: null
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choices: ['0', '7']
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deadtime:
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description:
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- Duration for which a non-reachable AAA server is skipped,
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in minutes. Range is 1-1440. Device default is 0.
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required: false
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default: null
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server_timeout:
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description:
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- Global AAA server timeout period, in seconds. Range is 1-60.
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Device default is 5.
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required: false
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default: null
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directed_request:
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description:
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- Enables direct authentication requests to AAA server.
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Device default is disabled.
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required: false
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default: null
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choices: ['enabled', 'disabled']
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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: true
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default: present
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choices: ['present','default']
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'''
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EXAMPLES = '''
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# Radius Server Basic settings
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- name: "Radius Server Basic settings"
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nxos_aaa_server:
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server_type=radius
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server_timeout=9
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deadtime=20
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directed_request=enabled
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host={{ inventory_hostname }}
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username={{ un }}
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password={{ pwd }}
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# Tacacs Server Basic settings
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- name: "Tacacs Server Basic settings"
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nxos_aaa_server:
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server_type=tacacs
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server_timeout=8
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deadtime=19
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directed_request=disabled
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host={{ inventory_hostname }}
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username={{ un }}
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password={{ pwd }}
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# Setting Global Key
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- name: "AAA Server Global Key"
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nxos_aaa_server:
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server_type=radius
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global_key=test_key
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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: {"deadtime": "22", "directed_request": "enabled",
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"server_type": "radius", "server_timeout": "11"}
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existing:
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description:
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- k/v pairs of existing aaa server
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type: dict
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sample: {"deadtime": "0", "directed_request": "disabled",
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"global_key": "unknown", "server_timeout": "5"}
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end_state:
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description: k/v pairs of aaa params after module execution
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returned: always
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type: dict
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sample: {"deadtime": "22", "directed_request": "enabled",
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"global_key": "unknown", "server_timeout": "11"}
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state:
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description: state as sent in from the playbook
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returned: always
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type: string
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sample: "present"
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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: ["radius-server deadtime 22", "radius-server timeout 11",
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"radius-server directed-request"]
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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 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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cmds = [command]
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if module.params['transport'] == 'cli':
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body = execute_show(cmds, module)
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elif module.params['transport'] == 'nxapi':
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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_aaa_server_info(server_type, module):
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aaa_server_info = {}
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server_command = 'show {0}-server'.format(server_type)
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request_command = 'show {0}-server directed-request'.format(server_type)
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global_key_command = 'show run | sec {0}'.format(server_type)
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aaa_regex = '.*{0}-server\skey\s\d\s+(?P<key>\S+).*'.format(server_type)
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server_body = execute_show_command(
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server_command, module, command_type='cli_show_ascii')[0]
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split_server = server_body.splitlines()
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for line in split_server:
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if line.startswith('timeout'):
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aaa_server_info['server_timeout'] = line.split(':')[1]
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elif line.startswith('deadtime'):
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aaa_server_info['deadtime'] = line.split(':')[1]
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request_body = execute_show_command(
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request_command, module, command_type='cli_show_ascii')[0]
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aaa_server_info['directed_request'] = request_body.replace('\n', '')
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key_body = execute_show_command(
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global_key_command, module, command_type='cli_show_ascii')[0]
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try:
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match_global_key = re.match(aaa_regex, key_body, re.DOTALL)
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group_key = match_global_key.groupdict()
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aaa_server_info['global_key'] = group_key["key"].replace('\"', '')
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except (AttributeError, TypeError):
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aaa_server_info['global_key'] = 'unknown'
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return aaa_server_info
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def set_aaa_server_global_key(encrypt_type, key, server_type):
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if not encrypt_type:
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encrypt_type = ''
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return '{0}-server key {1} {2}'.format(
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server_type, encrypt_type, key)
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def config_aaa_server(params, server_type):
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cmds = []
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deadtime = params.get('deadtime')
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server_timeout = params.get('server_timeout')
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directed_request = params.get('directed_request')
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encrypt_type = params.get('encrypt_type', '7')
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global_key = params.get('global_key')
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if deadtime is not None:
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cmds.append('{0}-server deadtime {1}'.format(server_type, deadtime))
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if server_timeout is not None:
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cmds.append('{0}-server timeout {1}'.format(server_type, server_timeout))
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if directed_request is not None:
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if directed_request == 'enabled':
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cmds.append('{0}-server directed-request'.format(server_type))
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elif directed_request == 'disabled':
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cmds.append('no {0}-server directed-request'.format(server_type))
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if global_key is not None:
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cmds.append('{0}-server key {1} {2}'.format(server_type, encrypt_type,
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global_key))
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return cmds
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def default_aaa_server(existing, params, server_type):
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cmds = []
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deadtime = params.get('deadtime')
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server_timeout = params.get('server_timeout')
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directed_request = params.get('directed_request')
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global_key = params.get('global_key')
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existing_key = existing.get('global_key')
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if deadtime is not None:
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cmds.append('no {0}-server deadtime 1'.format(server_type))
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if server_timeout is not None:
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cmds.append('no {0}-server timeout 1'.format(server_type))
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if directed_request is not None:
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cmds.append('no {0}-server directed-request'.format(server_type))
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if global_key is not None and existing_key is not None:
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cmds.append('no {0}-server key 7 {1}'.format(server_type, existing_key))
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return cmds
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def main():
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argument_spec = dict(
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server_type=dict(type='str',
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choices=['radius', 'tacacs'], required=True),
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global_key=dict(type='str'),
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encrypt_type=dict(type='str', choices=['0', '7']),
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deadtime=dict(type='str'),
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server_timeout=dict(type='str'),
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directed_request=dict(type='str',
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choices=['enabled', 'disabled', 'default']),
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state=dict(choices=['default', 'present'], default='present'),
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)
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module = get_network_module(argument_spec=argument_spec,
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supports_check_mode=True)
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server_type = module.params['server_type']
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global_key = module.params['global_key']
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encrypt_type = module.params['encrypt_type']
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deadtime = module.params['deadtime']
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server_timeout = module.params['server_timeout']
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directed_request = module.params['directed_request']
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state = module.params['state']
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if encrypt_type and not global_key:
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module.fail_json(msg='encrypt_type must be used with global_key.')
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args = dict(server_type=server_type, global_key=global_key,
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encrypt_type=encrypt_type, deadtime=deadtime,
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server_timeout=server_timeout, directed_request=directed_request)
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changed = False
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proposed = dict((k, v) for k, v in args.iteritems() if v is not None)
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existing = get_aaa_server_info(server_type, module)
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end_state = existing
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commands = []
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if state == 'present':
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if deadtime:
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try:
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if int(deadtime) < 0 or int(deadtime) > 1440:
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raise ValueError
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except ValueError:
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module.fail_json(
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msg='deadtime must be an integer between 0 and 1440')
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if server_timeout:
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try:
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if int(server_timeout) < 1 or int(server_timeout) > 60:
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raise ValueError
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except ValueError:
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module.fail_json(
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msg='server_timeout must be an integer between 1 and 60')
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delta = dict(set(proposed.iteritems()).difference(
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existing.iteritems()))
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if delta:
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command = config_aaa_server(delta, server_type)
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if command:
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commands.append(command)
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elif state == 'default':
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for key, value in proposed.iteritems():
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if key != 'server_type' and value != 'default':
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module.fail_json(
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msg='Parameters must be set to "default"'
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'when state=default')
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command = default_aaa_server(existing, proposed, server_type)
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if command:
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commands.append(command)
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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_aaa_server_info(server_type, module)
|
|
|
|
results = {}
|
|
results['proposed'] = proposed
|
|
results['existing'] = existing
|
|
results['updates'] = cmds
|
|
results['changed'] = changed
|
|
results['end_state'] = end_state
|
|
|
|
module.exit_json(**results)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main() |