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community.general/plugins/modules/network/icx/icx_command.py

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2020-03-09 10:11:07 +01:00
#!/usr/bin/python
# Copyright: Ansible Project
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
from __future__ import absolute_import, division, print_function
__metaclass__ = type
ANSIBLE_METADATA = {'metadata_version': '1.1',
'status': ['preview'],
'supported_by': 'community'}
DOCUMENTATION = '''
---
module: icx_command
author: "Ruckus Wireless (@Commscope)"
short_description: Run arbitrary commands on remote Ruckus ICX 7000 series switches
description:
- Sends arbitrary commands to an ICX node and returns the results
read from the device. This module includes an
argument that will cause the module to wait for a specific condition
before returning or timing out if the condition is not met.
notes:
- Tested against ICX 10.1
options:
commands:
description:
- List of commands to send to the remote ICX device over the
configured provider. The resulting output from the command
is returned. If the I(wait_for) argument is provided, the
module is not returned until the condition is satisfied or
the number of retries has expired. If a command sent to the
device requires answering a prompt, checkall and newline if
multiple prompts, it is possible to pass
a dict containing I(command), I(answer), I(prompt), I(check_all)
and I(newline).Common answers are 'y' or "\r" (carriage return,
must be double quotes). See examples.
type: list
required: true
wait_for:
description:
- List of conditions to evaluate against the output of the
command. The task will wait for each condition to be true
before moving forward. If the conditional is not true
within the configured number of retries, the task fails.
See examples.
type: list
aliases: ['waitfor']
match:
description:
- The I(match) argument is used in conjunction with the
I(wait_for) argument to specify the match policy. Valid
values are C(all) or C(any). If the value is set to C(all)
then all conditionals in the wait_for must be satisfied. If
the value is set to C(any) then only one of the values must be
satisfied.
type: str
default: all
choices: ['any', 'all']
retries:
description:
- Specifies the number of times a command should by tried
before it is considered failed. The command is run on the
target device every retry and evaluated against the
I(wait_for) conditions.
type: int
default: 10
interval:
description:
- Configures the interval in seconds to wait between retries
of the command. If the command does not pass the specified
conditions, the interval indicates how long to wait before
trying the command again.
type: int
default: 1
'''
EXAMPLES = """
tasks:
- name: run show version on remote devices
icx_command:
commands: show version
- name: run show version and check to see if output contains ICX
icx_command:
commands: show version
wait_for: result[0] contains ICX
- name: run multiple commands on remote nodes
icx_command:
commands:
- show version
- show interfaces
- name: run multiple commands and evaluate the output
icx_command:
commands:
- show version
- show interfaces
wait_for:
- result[0] contains ICX
- result[1] contains GigabitEthernet1/1/1
- name: run commands that require answering a prompt
icx_command:
commands:
- command: 'service password-encryption sha1'
prompt: 'Warning: Moving to higher password-encryption type,.*'
answer: 'y'
- name: run commands that require answering multiple prompt
icx_command:
commands:
- command: 'username qqq password qqq'
prompt:
- 'User already exists. Do you want to modify:.*'
- 'To modify or remove user, enter current password:'
answer:
- 'y'
- 'qqq\\\r'
check_all: True
newline: False
"""
RETURN = """
stdout:
description: The set of responses from the commands
returned: always apart from low level errors
type: list
sample: ['...', '...']
stdout_lines:
description: The value of stdout split into a list
returned: always apart from low level errors
type: list
sample: [['...', '...'], ['...'], ['...']]
failed_conditions:
description: The list of conditionals that have failed
returned: failed
type: list
sample: ['...', '...']
"""
import re
import time
from ansible_collections.community.general.plugins.module_utils.network.icx.icx import run_commands
from ansible.module_utils.basic import AnsibleModule
from ansible_collections.ansible.netcommon.plugins.module_utils.network.common.utils import ComplexList, to_lines
from ansible_collections.ansible.netcommon.plugins.module_utils.network.common.parsing import Conditional
from ansible.module_utils.six import string_types
def parse_commands(module, warnings):
command = ComplexList(dict(
command=dict(key=True),
prompt=dict(),
answer=dict(),
check_all=dict(type='bool', default='False'),
newline=dict(type='bool', default='True')
), module)
commands = command(module.params['commands'])
for item in list(commands):
if module.check_mode:
if not item['command'].startswith('show'):
warnings.append(
'Only show commands are supported when using check mode, not executing configure terminal')
commands.remove(item)
return commands
def main():
"""main entry point for module execution
"""
argument_spec = dict(
commands=dict(type='list', required=True),
wait_for=dict(type='list', aliases=['waitfor']),
match=dict(default='all', choices=['all', 'any']),
retries=dict(default=10, type='int'),
interval=dict(default=1, type='int')
)
module = AnsibleModule(argument_spec=argument_spec,
supports_check_mode=True)
result = {'changed': False}
warnings = list()
run_commands(module, ['skip'])
commands = parse_commands(module, warnings)
result['warnings'] = warnings
wait_for = module.params['wait_for'] or list()
conditionals = [Conditional(c) for c in wait_for]
retries = module.params['retries']
interval = module.params['interval']
match = module.params['match']
while retries > 0:
responses = run_commands(module, commands)
for item in list(conditionals):
if item(responses):
if match == 'any':
conditionals = list()
break
conditionals.remove(item)
if not conditionals:
break
time.sleep(interval)
retries -= 1
if conditionals:
failed_conditions = [item.raw for item in conditionals]
msg = 'One or more conditional statements have not been satisfied'
module.fail_json(msg=msg, failed_conditions=failed_conditions)
result.update({
'changed': False,
'stdout': responses,
'stdout_lines': list(to_lines(responses))
})
module.exit_json(**result)
if __name__ == '__main__':
main()