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community.general/plugins/modules/network/ironware/ironware_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: ironware_command
author: "Paul Baker (@paulquack)"
short_description: Run arbitrary commands on Extreme IronWare devices
description:
- Sends arbitrary commands to a Extreme Ironware node and returns the
results read from the device. This module includes a I(wait_for)
argument that will cause the module to wait for a specific condition
before returning or timing out if the condition is not met.
extends_documentation_fragment:
- community.general.ironware
options:
commands:
description:
- List of commands to send to the remote 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 retires as expired.
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.
match:
description:
- The I(match) argument is used in conjunction with the
I(wait_for) argument to specify the match policy. If the value
is set to C(all) then all conditionals in the I(wait_for) must be
satisfied. If the value is set to C(any) then only one of the
values must be satisfied.
default: all
choices: ['any', 'all']
retries:
description:
- Specifies the number of retries 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.
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.
default: 1
'''
EXAMPLES = """
- ironware_command:
commands:
- show version
- ironware_command:
commands:
- show interfaces brief wide
- show mpls vll
"""
RETURN = """
stdout:
description: the set of responses from the commands
returned: always
type: list
sample: ['...', '...']
stdout_lines:
description: The value of stdout split into a list
returned: always
type: list
sample: [['...', '...'], ['...'], ['...']]
failed_conditions:
description: the conditionals that failed
returned: failed
type: list
sample: ['...', '...']
"""
import time
from ansible.module_utils.basic import AnsibleModule
from ansible_collections.community.general.plugins.module_utils.network.ironware.ironware import ironware_argument_spec, check_args
from ansible_collections.community.general.plugins.module_utils.network.ironware.ironware import run_commands
from ansible_collections.ansible.netcommon.plugins.module_utils.network.common.parsing import Conditional
from ansible.module_utils.six import string_types
def to_lines(stdout):
for item in stdout:
if isinstance(item, string_types):
item = str(item).split('\n')
yield item
def main():
spec = dict(
# { command: <str>, prompt: <str>, response: <str> }
commands=dict(type='list', required=True),
wait_for=dict(type='list'),
match=dict(default='all', choices=['all', 'any']),
retries=dict(default=10, type='int'),
interval=dict(default=1, type='int')
)
spec.update(ironware_argument_spec)
module = AnsibleModule(argument_spec=spec, supports_check_mode=True)
check_args(module)
result = {'changed': False}
wait_for = module.params['wait_for'] or list()
conditionals = [Conditional(c) for c in wait_for]
commands = module.params['commands']
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()