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324 lines
12 KiB
Python
324 lines
12 KiB
Python
#!/usr/bin/python
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#
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# Copyright: Ansible Team
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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': 'community'}
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DOCUMENTATION = """
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---
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module: aireos_config
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version_added: "2.4"
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author: "James Mighion (@jmighion)"
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short_description: Manage Cisco WLC configurations
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description:
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- AireOS does not use a block indent file syntax, so there are no sections or parents.
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This module provides an implementation for working with AireOS configurations in
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a deterministic way.
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extends_documentation_fragment: aireos
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options:
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lines:
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description:
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- The ordered set of commands that should be configured.
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The commands must be the exact same commands as found
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in the device run-config. Be sure to note the configuration
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command syntax as some commands are automatically modified by the
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device config parser.
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aliases: ['commands']
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src:
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description:
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- Specifies the source path to the file that contains the configuration
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or configuration template to load. The path to the source file can
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either be the full path on the Ansible control host or a relative
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path from the playbook or role root directory. This argument is mutually
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exclusive with I(lines).
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before:
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description:
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- The ordered set of commands to push on to the command stack if
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a change needs to be made. This allows the playbook designer
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the opportunity to perform configuration commands prior to pushing
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any changes without affecting how the set of commands are matched
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against the system.
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after:
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description:
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- The ordered set of commands to append to the end of the command
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stack if a change needs to be made. Just like with I(before) this
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allows the playbook designer to append a set of commands to be
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executed after the command set.
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match:
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description:
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- Instructs the module on the way to perform the matching of
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the set of commands against the current device config. If
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match is set to I(line), commands are matched line by line.
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If match is set to I(none), the module will not attempt to
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compare the source configuration with the running
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configuration on the remote device.
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default: line
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choices: ['line', 'none']
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backup:
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description:
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- This argument will cause the module to create a full backup of
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the current C(running-config) from the remote device before any
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changes are made. The backup file is written to the C(backup)
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folder in the playbook root directory. If the directory does not
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exist, it is created.
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type: bool
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default: 'no'
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running_config:
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description:
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- The module, by default, will connect to the remote device and
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retrieve the current running-config to use as a base for comparing
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against the contents of source. There are times when it is not
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desirable to have the task get the current running-config for
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every task in a playbook. The I(running_config) argument allows the
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implementer to pass in the configuration to use as the base
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config for comparison.
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aliases: ['config']
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save:
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description:
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- The C(save) argument instructs the module to save the
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running-config to startup-config. This operation is performed
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after any changes are made to the current running config. If
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no changes are made, the configuration is still saved to the
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startup config. This option will always cause the module to
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return changed. This argument is mutually exclusive with I(save_when).
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- This option is deprecated as of Ansible 2.7, use C(save_when)
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type: bool
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default: 'no'
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save_when:
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description:
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- When changes are made to the device running-configuration, the
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changes are not copied to non-volatile storage by default. Using
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this argument will change that. If the argument is set to
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I(always), then the running-config will always be copied to the
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startup-config and the module will always return as changed.
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If the argument is set to I(never), the running-config will never
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be copied to the startup-config. If the argument is set to I(changed),
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then the running-config will only be copied to the startup-config if
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the task has made a change.
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default: never
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choices: ['always', 'never', 'changed']
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version_added: "2.7"
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diff_against:
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description:
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- When using the C(ansible-playbook --diff) command line argument
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the module can generate diffs against different sources.
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- When this option is configured as I(intended), the module will
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return the diff of the running-config against the configuration
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provided in the C(intended_config) argument.
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- When this option is configured as I(running), the module will
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return the before and after diff of the running-config with respect
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to any changes made to the device configuration.
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choices: ['intended', 'running']
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diff_ignore_lines:
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description:
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- Use this argument to specify one or more lines that should be
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ignored during the diff. This is used for lines in the configuration
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that are automatically updated by the system. This argument takes
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a list of regular expressions or exact line matches.
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intended_config:
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description:
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- The C(intended_config) provides the master configuration that
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the node should conform to and is used to check the final
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running-config against. This argument will not modify any settings
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on the remote device and is strictly used to check the compliance
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of the current device's configuration against. When specifying this
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argument, the task should also modify the C(diff_against) value and
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set it to I(intended).
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"""
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EXAMPLES = """
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- name: configure configuration
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aireos_config:
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lines: sysname testDevice
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- name: diff the running-config against a provided config
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aireos_config:
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diff_against: intended
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intended: "{{ lookup('file', 'master.cfg') }}"
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- name: load new acl into device
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aireos_config:
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lines:
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- acl create testACL
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- acl rule protocol testACL 1 any
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- acl rule direction testACL 3 in
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before: acl delete testACL
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"""
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RETURN = """
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commands:
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description: The set of commands that will be pushed to the remote device
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returned: always
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type: list
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sample: ['hostname foo', 'vlan 1', 'name default']
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updates:
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description: The set of commands that will be pushed to the remote device
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returned: always
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type: list
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sample: ['hostname foo', 'vlan 1', 'name default']
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backup_path:
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description: The full path to the backup file
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returned: when backup is yes
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type: string
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sample: /playbooks/ansible/backup/aireos_config.2016-07-16@22:28:34
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"""
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from ansible.module_utils.network.aireos.aireos import run_commands, get_config, load_config
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from ansible.module_utils.network.aireos.aireos import aireos_argument_spec
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from ansible.module_utils.network.aireos.aireos import check_args as aireos_check_args
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from ansible.module_utils.basic import AnsibleModule
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from ansible.module_utils.network.common.config import NetworkConfig, dumps
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def get_running_config(module, config=None):
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contents = module.params['running_config']
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if not contents:
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if config:
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contents = config
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else:
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contents = get_config(module)
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return NetworkConfig(indent=1, contents=contents)
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def get_candidate(module):
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candidate = NetworkConfig(indent=1)
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if module.params['src']:
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candidate.load(module.params['src'])
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elif module.params['lines']:
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candidate.add(module.params['lines'])
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return candidate
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def save_config(module, result):
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result['changed'] = True
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if not module.check_mode:
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command = {"command": "save config", "prompt": "Are you sure you want to save", "answer": "y"}
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run_commands(module, command)
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else:
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module.warn('Skipping command `save config` due to check_mode. Configuration not copied to '
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'non-volatile storage')
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def main():
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""" main entry point for module execution
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"""
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argument_spec = dict(
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src=dict(type='path'),
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lines=dict(aliases=['commands'], type='list'),
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before=dict(type='list'),
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after=dict(type='list'),
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match=dict(default='line', choices=['line', 'none']),
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running_config=dict(aliases=['config']),
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intended_config=dict(),
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backup=dict(type='bool', default=False),
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# save is deprecated as of 2.7, use save_when instead
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save=dict(type='bool', default=False, removed_in_version='2.11'),
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save_when=dict(choices=['always', 'never', 'changed'], default='never'),
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diff_against=dict(choices=['running', 'intended']),
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diff_ignore_lines=dict(type='list')
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)
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argument_spec.update(aireos_argument_spec)
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mutually_exclusive = [('lines', 'src'),
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('save', 'save_when')]
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required_if = [('diff_against', 'intended', ['intended_config'])]
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module = AnsibleModule(argument_spec=argument_spec,
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mutually_exclusive=mutually_exclusive,
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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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aireos_check_args(module, warnings)
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result = {'changed': False, 'warnings': warnings}
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config = None
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if module.params['backup'] or (module._diff and module.params['diff_against'] == 'running'):
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contents = get_config(module)
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config = NetworkConfig(indent=1, contents=contents)
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if module.params['backup']:
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result['__backup__'] = contents
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if any((module.params['src'], module.params['lines'])):
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match = module.params['match']
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candidate = get_candidate(module)
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if match != 'none':
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config = get_running_config(module, config)
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configobjs = candidate.difference(config, match=match)
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else:
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configobjs = candidate.items
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if configobjs:
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commands = dumps(configobjs, 'commands').split('\n')
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if module.params['before']:
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commands[:0] = module.params['before']
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if module.params['after']:
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commands.extend(module.params['after'])
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result['commands'] = commands
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result['updates'] = commands
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if not module.check_mode:
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load_config(module, commands)
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result['changed'] = True
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diff_ignore_lines = module.params['diff_ignore_lines']
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if module.params['save_when'] == 'always' or module.params['save']:
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save_config(module, result)
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elif module.params['save_when'] == 'changed' and result['changed']:
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save_config(module, result)
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if module._diff:
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output = run_commands(module, 'show run-config commands')
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contents = output[0]
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# recreate the object in order to process diff_ignore_lines
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running_config = NetworkConfig(indent=1, contents=contents, ignore_lines=diff_ignore_lines)
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if module.params['diff_against'] == 'running':
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if module.check_mode:
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module.warn("unable to perform diff against running-config due to check mode")
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contents = None
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else:
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contents = config.config_text
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elif module.params['diff_against'] == 'intended':
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contents = module.params['intended_config']
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if contents is not None:
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base_config = NetworkConfig(indent=1, contents=contents, ignore_lines=diff_ignore_lines)
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if running_config.sha1 != base_config.sha1:
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result.update({
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'changed': True,
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'diff': {'before': str(base_config), 'after': str(running_config)}
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})
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module.exit_json(**result)
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if __name__ == '__main__':
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main()
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