mirror of
https://github.com/ansible-collections/community.general.git
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218 lines
7 KiB
Python
218 lines
7 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_command
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author: "James Mighion (@jmighion)"
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short_description: Run commands on remote devices running Cisco WLC
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description:
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- Sends arbitrary commands to an aireos node and returns the results
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read from the device. This module includes an
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argument that will cause the module to wait for a specific condition
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before returning or timing out if the condition is not met.
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- Commands run in configuration mode with this module are not
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idempotent. Please use M(aireos_config) to configure WLC devices.
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extends_documentation_fragment:
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- community.general.aireos
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options:
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commands:
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description:
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- List of commands to send to the remote aireos device over the
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configured provider. The resulting output from the command
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is returned. If the I(wait_for) argument is provided, the
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module is not returned until the condition is satisfied or
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the number of retries has expired.
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required: true
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wait_for:
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description:
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- List of conditions to evaluate against the output of the
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command. The task will wait for each condition to be true
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before moving forward. If the conditional is not true
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within the configured number of retries, the task fails.
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See examples.
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aliases: ['waitfor']
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match:
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description:
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- The I(match) argument is used in conjunction with the
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I(wait_for) argument to specify the match policy. Valid
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values are C(all) or C(any). If the value is set to C(all)
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then all conditionals in the wait_for must be satisfied. If
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the value is set to C(any) then only one of the values must be
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satisfied.
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default: all
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choices: ['any', 'all']
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retries:
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description:
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- Specifies the number of retries a command should by tried
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before it is considered failed. The command is run on the
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target device every retry and evaluated against the
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I(wait_for) conditions.
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default: 10
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interval:
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description:
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- Configures the interval in seconds to wait between retries
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of the command. If the command does not pass the specified
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conditions, the interval indicates how long to wait before
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trying the command again.
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default: 1
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'''
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EXAMPLES = """
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tasks:
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- name: run show sysinfo on remote devices
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aireos_command:
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commands: show sysinfo
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- name: run show sysinfo and check to see if output contains Cisco Controller
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aireos_command:
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commands: show sysinfo
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wait_for: result[0] contains 'Cisco Controller'
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- name: run multiple commands on remote nodes
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aireos_command:
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commands:
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- show sysinfo
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- show interface summary
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- name: run multiple commands and evaluate the output
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aireos_command:
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commands:
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- show sysinfo
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- show interface summary
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wait_for:
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- result[0] contains Cisco Controller
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- result[1] contains Loopback0
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"""
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RETURN = """
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stdout:
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description: The set of responses from the commands
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returned: always apart from low level errors (such as action plugin)
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type: list
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sample: ['...', '...']
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stdout_lines:
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description: The value of stdout split into a list
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returned: always apart from low level errors (such as action plugin)
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type: list
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sample: [['...', '...'], ['...'], ['...']]
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failed_conditions:
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description: The list of conditionals that have failed
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returned: failed
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type: list
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sample: ['...', '...']
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"""
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import time
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from ansible_collections.community.general.plugins.module_utils.network.aireos.aireos import run_commands
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from ansible_collections.community.general.plugins.module_utils.network.aireos.aireos import aireos_argument_spec, check_args
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from ansible.module_utils.basic import AnsibleModule
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from ansible_collections.ansible.netcommon.plugins.module_utils.network.common.utils import ComplexList
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from ansible_collections.ansible.netcommon.plugins.module_utils.network.common.parsing import Conditional
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from ansible.module_utils.six import string_types
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from ansible.module_utils._text import to_text
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def to_lines(stdout):
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for item in stdout:
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if isinstance(item, string_types):
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item = to_text(item, errors='surrogate_then_replace').split('\n')
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yield item
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def parse_commands(module, warnings):
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command = ComplexList(dict(
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command=dict(key=True),
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prompt=dict(),
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answer=dict()
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), module)
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commands = command(module.params['commands'])
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for index, item in enumerate(commands):
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if module.check_mode and not item['command'].startswith('show'):
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warnings.append(
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'only show commands are supported when using check mode, not '
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'executing `%s`' % item['command']
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)
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elif item['command'].startswith('conf'):
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warnings.append(
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'commands run in config mode with aireos_command are not '
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'idempotent. Please use aireos_config instead'
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)
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return commands
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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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commands=dict(type='list', required=True),
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wait_for=dict(type='list', aliases=['waitfor']),
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match=dict(default='all', choices=['all', 'any']),
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retries=dict(default=10, type='int'),
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interval=dict(default=1, type='int')
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)
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argument_spec.update(aireos_argument_spec)
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module = AnsibleModule(argument_spec=argument_spec,
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supports_check_mode=True)
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result = {'changed': False}
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warnings = list()
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check_args(module, warnings)
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commands = parse_commands(module, warnings)
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result['warnings'] = warnings
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wait_for = module.params['wait_for'] or list()
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conditionals = [Conditional(c) for c in wait_for]
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retries = module.params['retries']
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interval = module.params['interval']
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match = module.params['match']
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while retries > 0:
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responses = run_commands(module, commands)
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for item in list(conditionals):
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if item(responses):
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if match == 'any':
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conditionals = list()
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break
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conditionals.remove(item)
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if not conditionals:
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break
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time.sleep(interval)
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retries -= 1
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if conditionals:
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failed_conditions = [item.raw for item in conditionals]
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msg = 'One or more conditional statements have not been satisfied'
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module.fail_json(msg=msg, failed_conditions=failed_conditions)
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result.update({
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'changed': False,
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'stdout': responses,
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'stdout_lines': list(to_lines(responses))
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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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