# Copyright 2016 F5 Networks Inc.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
#
from f5.utils.decorators import poll_for_exceptionless_callable
[docs]def pollster(callable):
'''Wraps the poll to get attempts and interval applicable for cluster.
:param callable: callable -- callable to pass into poll
'''
return poll_for_exceptionless_callable(callable, 20, 2)
[docs]def get_device_info(bigip):
'''Get device information about a specific BigIP device.
:param bigip: ManagementRoot object --- device to inspect
:returns: ManagementRoot object
'''
coll = pollster(bigip.tm.cm.devices.get_collection)()
device = [device for device in coll if device.selfDevice == 'true']
assert len(device) == 1
return device[0]
[docs]def get_device_names_to_objects(devices):
'''Map a list of devices to their hostnames.
:param devices: list -- list of ManagementRoot objects
:returns: dict -- mapping of hostnames to ManagementRoot objects
'''
name_to_object = {}
for device in devices:
device_name = get_device_info(device).name
name_to_object[device_name] = device
return name_to_object