253 lines
6.8 KiB
Python
253 lines
6.8 KiB
Python
|
#!/usr/bin/python
|
||
|
|
#
|
||
|
|
# This file is part of Ansible
|
||
|
|
#
|
||
|
|
# Ansible is free software: you can redistribute it and/or modify
|
||
|
|
# it under the terms of the GNU General Public License as published by
|
||
|
|
# the Free Software Foundation, either version 3 of the License, or
|
||
|
|
# (at your option) any later version.
|
||
|
|
#
|
||
|
|
# Ansible is distributed in the hope that it will be useful,
|
||
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
# GNU General Public License for more details.
|
||
|
|
#
|
||
|
|
# You should have received a copy of the GNU General Public License
|
||
|
|
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
|
||
|
|
#
|
||
|
|
|
||
|
|
DOCUMENTATION = """
|
||
|
|
---
|
||
|
|
module: eos_command
|
||
|
|
version_added: "2.1"
|
||
|
|
author: "Peter sprygada (@privateip)"
|
||
|
|
short_description: Run arbitrary command on EOS device
|
||
|
|
description:
|
||
|
|
- Sends an aribtrary command to and EOS node and returns the results
|
||
|
|
read from the device. The M(eos_command) modulule 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.
|
||
|
|
extends_documentation_fragment: eos
|
||
|
|
options:
|
||
|
|
commands:
|
||
|
|
description:
|
||
|
|
- The commands to send to the remote EOS device over the
|
||
|
|
configured provider. The resulting output from the command
|
||
|
|
is returned. If the I(waitfor) argument is provided, the
|
||
|
|
module is not returned until the condition is satisfied or
|
||
|
|
the number of retires as expired.
|
||
|
|
required: true
|
||
|
|
waitfor:
|
||
|
|
description:
|
||
|
|
- Specifies what to evaluate from the output of the command
|
||
|
|
and what conditionals to apply. This argument will cause
|
||
|
|
the task to wait for a particular conditional to be true
|
||
|
|
before moving forward. If the conditional is not true
|
||
|
|
by the configured retries, the task fails. See examples.
|
||
|
|
required: false
|
||
|
|
default: null
|
||
|
|
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 waitfor
|
||
|
|
conditionals
|
||
|
|
required: false
|
||
|
|
default: 10
|
||
|
|
interval:
|
||
|
|
description:
|
||
|
|
- Configures the interval in seconds to wait between retries
|
||
|
|
of the command. If the command does not pass the specified
|
||
|
|
conditional, the interval indicates how to long to wait before
|
||
|
|
trying the command again.
|
||
|
|
required: false
|
||
|
|
default: 1
|
||
|
|
|
||
|
|
"""
|
||
|
|
|
||
|
|
EXAMPLES = """
|
||
|
|
|
||
|
|
- eos_command:
|
||
|
|
commands:
|
||
|
|
- show version
|
||
|
|
register: output
|
||
|
|
|
||
|
|
- eos_command:
|
||
|
|
commands:
|
||
|
|
- show version
|
||
|
|
waitfor:
|
||
|
|
- "result[0] contains 4.15.0F"
|
||
|
|
|
||
|
|
- eos_command:
|
||
|
|
commands:
|
||
|
|
- show version | json
|
||
|
|
- show interfaces | json
|
||
|
|
- show version
|
||
|
|
waitfor:
|
||
|
|
- "result[2] contains '4.15.0F'"
|
||
|
|
- "result[1].interfaces.Management1.interfaceAddress[0].primaryIp.maskLen eq 24"
|
||
|
|
- "result[0].modelName == 'vEOS'"
|
||
|
|
|
||
|
|
"""
|
||
|
|
|
||
|
|
RETURN = """
|
||
|
|
|
||
|
|
result:
|
||
|
|
description: the set of responses from the commands
|
||
|
|
returned: always
|
||
|
|
type: list
|
||
|
|
sample: ['...', '...']
|
||
|
|
|
||
|
|
failed_conditionals:
|
||
|
|
description: the conditionals that failed
|
||
|
|
retured: failed
|
||
|
|
type: list
|
||
|
|
sample: ['...', '...']
|
||
|
|
|
||
|
|
"""
|
||
|
|
|
||
|
|
import time
|
||
|
|
import shlex
|
||
|
|
import re
|
||
|
|
import json
|
||
|
|
|
||
|
|
INDEX_RE = re.compile(r'(\[\d+\])')
|
||
|
|
|
||
|
|
def get_response(data):
|
||
|
|
try:
|
||
|
|
json_data = json.loads(data)
|
||
|
|
except ValueError:
|
||
|
|
json_data = None
|
||
|
|
return dict(data=data, json=json_data)
|
||
|
|
|
||
|
|
class Conditional(object):
|
||
|
|
|
||
|
|
OPERATORS = {
|
||
|
|
'eq': ['eq', '=='],
|
||
|
|
'neq': ['neq', 'ne', '!='],
|
||
|
|
'gt': ['gt', '>'],
|
||
|
|
'ge': ['ge', '>='],
|
||
|
|
'lt': ['lt', '<'],
|
||
|
|
'le': ['le', '<='],
|
||
|
|
'contains': ['contains', 'in']
|
||
|
|
}
|
||
|
|
|
||
|
|
def __init__(self, conditional):
|
||
|
|
self.raw = conditional
|
||
|
|
|
||
|
|
key, op, val = shlex.split(conditional)
|
||
|
|
self.key = key
|
||
|
|
self.func = self.func(op)
|
||
|
|
self.value = self._cast_value(val)
|
||
|
|
|
||
|
|
def __call__(self, data):
|
||
|
|
value = self.get_value(dict(result=data))
|
||
|
|
return self.func(value)
|
||
|
|
|
||
|
|
def _cast_value(self, value):
|
||
|
|
if value in BOOLEANS_TRUE:
|
||
|
|
return True
|
||
|
|
elif value in BOOLEANS_FALSE:
|
||
|
|
return False
|
||
|
|
elif re.match(r'^\d+\.d+$', value):
|
||
|
|
return float(value)
|
||
|
|
elif re.match(r'^\d+$', value):
|
||
|
|
return int(value)
|
||
|
|
else:
|
||
|
|
return unicode(value)
|
||
|
|
|
||
|
|
def func(self, oper):
|
||
|
|
for func, operators in self.OPERATORS.items():
|
||
|
|
if oper in operators:
|
||
|
|
return getattr(self, func)
|
||
|
|
raise AttributeError('unknown operator: %s' % oper)
|
||
|
|
|
||
|
|
def get_value(self, result):
|
||
|
|
for key in self.key.split('.'):
|
||
|
|
match = re.match(r'^(\w+)\[(\d+)\]', key)
|
||
|
|
if match:
|
||
|
|
key, index = match.groups()
|
||
|
|
result = result[key][int(index)]
|
||
|
|
else:
|
||
|
|
result = result.get(key)
|
||
|
|
return result
|
||
|
|
|
||
|
|
def eq(self, value):
|
||
|
|
return value == self.value
|
||
|
|
|
||
|
|
def neq(self, value):
|
||
|
|
return value != self.value
|
||
|
|
|
||
|
|
def gt(self, value):
|
||
|
|
return value > self.value
|
||
|
|
|
||
|
|
def ge(self, value):
|
||
|
|
return value >= self.value
|
||
|
|
|
||
|
|
def lt(self, value):
|
||
|
|
return value < self.value
|
||
|
|
|
||
|
|
def le(self, value):
|
||
|
|
return value <= self.value
|
||
|
|
|
||
|
|
def contains(self, value):
|
||
|
|
return self.value in value
|
||
|
|
|
||
|
|
def main():
|
||
|
|
spec = dict(
|
||
|
|
commands=dict(type='list'),
|
||
|
|
waitfor=dict(type='list'),
|
||
|
|
retries=dict(default=10, type='int'),
|
||
|
|
interval=dict(default=1, type='int')
|
||
|
|
)
|
||
|
|
|
||
|
|
module = get_module(argument_spec=spec,
|
||
|
|
supports_check_mode=True)
|
||
|
|
|
||
|
|
commands = module.params['commands']
|
||
|
|
|
||
|
|
retries = module.params['retries']
|
||
|
|
interval = module.params['interval']
|
||
|
|
|
||
|
|
try:
|
||
|
|
queue = set()
|
||
|
|
for entry in (module.params['waitfor'] or list()):
|
||
|
|
queue.add(Conditional(entry))
|
||
|
|
except AttributeError, exc:
|
||
|
|
module.fail_json(msg=exc.message)
|
||
|
|
|
||
|
|
result = dict(changed=False, result=list())
|
||
|
|
|
||
|
|
while retries > 0:
|
||
|
|
response = module.execute(commands)
|
||
|
|
result['result'] = response
|
||
|
|
|
||
|
|
for index, cmd in enumerate(commands):
|
||
|
|
if cmd.endswith('json'):
|
||
|
|
response[index] = json.loads(response[index])
|
||
|
|
|
||
|
|
for item in list(queue):
|
||
|
|
if item(response):
|
||
|
|
queue.remove(item)
|
||
|
|
|
||
|
|
if not queue:
|
||
|
|
break
|
||
|
|
|
||
|
|
time.sleep(interval)
|
||
|
|
retries -= 1
|
||
|
|
else:
|
||
|
|
failed_conditions = [item.raw for item in queue]
|
||
|
|
module.fail_json(msg='timeout waiting for value', failed_conditions=failed_conditions)
|
||
|
|
|
||
|
|
return module.exit_json(**result)
|
||
|
|
|
||
|
|
|
||
|
|
from ansible.module_utils.basic import *
|
||
|
|
from ansible.module_utils.urls import *
|
||
|
|
from ansible.module_utils.shell import *
|
||
|
|
from ansible.module_utils.netcfg import *
|
||
|
|
from ansible.module_utils.eos import *
|
||
|
|
if __name__ == '__main__':
|
||
|
|
main()
|
||
|
|
|