mirror of
https://github.com/thegeeklab/ansible-later.git
synced 2024-07-06 09:00:58 +02:00
259 lines
7.5 KiB
Python
259 lines
7.5 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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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: ce_command
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version_added: "2.3"
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author: "JackyGao2016 (@CloudEngine-Ansible)"
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short_description: Run arbitrary command on HUAWEI CloudEngine devices.
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description:
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- Sends an arbitrary command to an HUAWEI CloudEngine node and returns
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the results read from the device. The ce_command 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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options:
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commands:
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description:
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- The commands to send to the remote HUAWEI CloudEngine device
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over the configured provider. The resulting output from the
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command is returned. If the I(wait_for) argument is provided,
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the module is not returned until the condition is satisfied
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or the number of I(retries) has been exceeded.
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required: true
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wait_for:
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description:
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- Specifies what to evaluate from the output of the command
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and what conditionals to apply. This argument will cause
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the task to wait for a particular conditional to be true
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before moving forward. If the conditional is not true
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by the configured retries, the task fails. See examples.
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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 I(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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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 I(wait_for)
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conditionals.
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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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conditional, the interval indicates how to 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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# Note: examples below use the following provider dict to handle
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# transport and authentication to the node.
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- name: CloudEngine command test
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hosts: cloudengine
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connection: local
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gather_facts: no
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vars:
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cli:
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host: "{{ inventory_hostname }}"
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port: "{{ ansible_ssh_port }}"
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username: "{{ username }}"
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password: "{{ password }}"
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transport: cli
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tasks:
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- name: "Run display version on remote devices"
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ce_command:
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commands: display version
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provider: "{{ cli }}"
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- name: "Run display version and check to see if output contains HUAWEI"
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ce_command:
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commands: display version
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wait_for: result[0] contains HUAWEI
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provider: "{{ cli }}"
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- name: "Run multiple commands on remote nodes"
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ce_command:
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commands:
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- display version
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- display device
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provider: "{{ cli }}"
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- name: "Run multiple commands and evaluate the output"
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ce_command:
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commands:
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- display version
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- display device
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wait_for:
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- result[0] contains HUAWEI
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- result[1] contains Device
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provider: "{{ cli }}"
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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
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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
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type: list
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sample: [['...', '...'], ['...'], ['...']]
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failed_conditions:
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description: the conditionals that 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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import traceback
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from ansible.module_utils.basic import AnsibleModule
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from ansible.module_utils.network.cloudengine.ce import ce_argument_spec, check_args
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from ansible.module_utils.network.cloudengine.ce import run_commands
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from ansible.module_utils.network.common.parsing import Conditional
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from ansible.module_utils.network.common.utils import ComplexList
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from ansible.module_utils.six import string_types
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from ansible.module_utils._text import to_native
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def to_lines(stdout):
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lines = list()
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for item in stdout:
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if isinstance(item, string_types):
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item = str(item).split('\n')
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lines.append(item)
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return lines
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def parse_commands(module, warnings):
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transform = ComplexList(dict(
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command=dict(key=True),
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output=dict(),
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prompt=dict(),
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response=dict()
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), module)
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commands = transform(module.params['commands'])
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for _, item in enumerate(commands):
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if module.check_mode and not item['command'].startswith('dis'):
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warnings.append(
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'Only display commands are supported when using check_mode, not '
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'executing %s' % item['command']
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)
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return commands
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def to_cli(obj):
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cmd = obj['command']
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return cmd
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def main():
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"""entry point for module execution
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"""
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argument_spec = dict(
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# { command: <str>, output: <str>, prompt: <str>, response: <str> }
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commands=dict(type='list', required=True),
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wait_for=dict(type='list'),
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match=dict(default='all', choices=['any', 'all']),
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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(ce_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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try:
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conditionals = [Conditional(c) for c in wait_for]
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except AttributeError as exc:
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module.fail_json(msg=to_native(exc), exception=traceback.format_exc())
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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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'stdout': responses,
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'stdout_lines': 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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