Adds bigip_software_install module (#44733)

This module can be used to install existing images on a bigip.
pull/44733/merge
Tim Rupp 6 years ago committed by GitHub
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commit c7eeb37f64
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#!/usr/bin/python
# -*- coding: utf-8 -*-
#
# Copyright: (c) 2018, F5 Networks Inc.
# 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 = r'''
---
module: bigip_software_install
short_description: Install software images on a BIG-IP
description:
- Install new images on a BIG-IP.
version_added: 2.7
options:
image:
description:
- Image to install on the remote device.
volume:
description:
- The volume to install the software image to.
state:
description:
- When C(installed), ensures that the software is installed on the volume
and the volume is set to be booted from. The device is B(not) rebooted
into the new software.
- When C(activated), performs the same operation as C(installed), but
the system is rebooted to the new software.
default: activated
choices:
- activated
- installed
extends_documentation_fragment: f5
author:
- Tim Rupp (@caphrim007)
'''
EXAMPLES = r'''
- name: Ensure an existing image is installed in specified volume
bigip_software_install:
image: BIGIP-13.0.0.0.0.1645.iso
volume: HD1.2
state: installed
provider:
password: secret
server: lb.mydomain.com
user: admin
delegate_to: localhost
- name: Ensure an existing image is activated in specified volume
bigip_software_install:
image: BIGIP-13.0.0.0.0.1645.iso
state: activated
volume: HD1.2
provider:
password: secret
server: lb.mydomain.com
user: admin
delegate_to: localhost
'''
RETURN = r'''
# only common fields returned
'''
import time
from ansible.module_utils.basic import AnsibleModule
try:
from library.module_utils.network.f5.bigip import HAS_F5SDK
from library.module_utils.network.f5.bigip import F5RestClient
from library.module_utils.network.f5.common import F5ModuleError
from library.module_utils.network.f5.common import AnsibleF5Parameters
from library.module_utils.network.f5.common import cleanup_tokens
from library.module_utils.network.f5.common import fq_name
from library.module_utils.network.f5.common import f5_argument_spec
from library.module_utils.network.f5.common import exit_json
from library.module_utils.network.f5.common import fail_json
except ImportError:
from ansible.module_utils.network.f5.bigip import HAS_F5SDK
from ansible.module_utils.network.f5.bigip import F5RestClient
from ansible.module_utils.network.f5.common import F5ModuleError
from ansible.module_utils.network.f5.common import AnsibleF5Parameters
from ansible.module_utils.network.f5.common import cleanup_tokens
from ansible.module_utils.network.f5.common import fq_name
from ansible.module_utils.network.f5.common import f5_argument_spec
from ansible.module_utils.network.f5.common import exit_json
from ansible.module_utils.network.f5.common import fail_json
class Parameters(AnsibleF5Parameters):
api_map = {
}
api_attributes = [
'options',
'volume',
]
returnables = [
]
updatables = [
]
class ApiParameters(Parameters):
@property
def image_names(self):
result = []
result += self.read_image_from_device('image')
result += self.read_image_from_device('hotfix')
return result
def read_image_from_device(self, t):
uri = "https://{0}:{1}/mgmt/tm/sys/software/{2}".format(
self.client.provider['server'],
self.client.provider['server_port'],
t,
)
resp = self.client.api.get(uri)
try:
response = resp.json()
except ValueError:
return []
if 'code' in response and response['code'] == 400:
if 'message' in response:
return []
else:
return []
if 'items' not in response:
return []
return [x['name'] for x in response['items']]
class ModuleParameters(Parameters):
@property
def version(self):
if self._values['version']:
return self._values['version']
self._values['version'] = self.image_info['version']
return self._values['version']
@property
def build(self):
# Return cached copy if we have it
if self._values['build']:
return self._values['build']
# Otherwise, get copy from image info cache
self._values['build'] = self.image_info['build']
return self._values['build']
@property
def image_info(self):
if self._values['image_info']:
image = self._values['image_info']
else:
# Otherwise, get a new copy and store in cache
image = self.read_image()
self._values['image_info'] = image
return image
@property
def image_type(self):
if self._values['image_type']:
return self._values['image_type']
if 'software:image' in self.image_info['kind']:
self._values['image_type'] = 'image'
else:
self._values['image_type'] = 'hotfix'
return self._values['image_type']
def read_image(self):
image = self.read_image_from_device(type='image')
if image:
return image
image = self.read_hotfix_from_device(type='hotfix')
if image:
return image
return None
def read_image_from_device(self, type):
uri = "https://{0}:{1}/mgmt/tm/sys/software/{2}/{3}".format(
self.client.provider['server'],
self.client.provider['server_port'],
type,
self.image,
)
resp = self.client.api.get(uri)
try:
response = resp.json()
except ValueError:
return None
if 'code' in response and response['code'] == 400:
if 'message' in response:
return None
else:
return None
return response
class Changes(Parameters):
def to_return(self):
result = {}
try:
for returnable in self.returnables:
result[returnable] = getattr(self, returnable)
result = self._filter_params(result)
except Exception:
pass
return result
class UsableChanges(Changes):
pass
class ReportableChanges(Changes):
pass
class Difference(object):
def __init__(self, want, have=None):
self.want = want
self.have = have
def compare(self, param):
try:
result = getattr(self, param)
return result
except AttributeError:
return self.__default(param)
def __default(self, param):
attr1 = getattr(self.want, param)
try:
attr2 = getattr(self.have, param)
if attr1 != attr2:
return attr1
except AttributeError:
return attr1
class ModuleManager(object):
def __init__(self, *args, **kwargs):
self.module = kwargs.get('module', None)
self.client = kwargs.get('client', None)
self.want = ModuleParameters(params=self.module.params, client=self.client)
self.have = ApiParameters(client=self.client)
self.changes = UsableChanges()
def _set_changed_options(self):
changed = {}
for key in Parameters.returnables:
if getattr(self.want, key) is not None:
changed[key] = getattr(self.want, key)
if changed:
self.changes = UsableChanges(params=changed)
def _update_changed_options(self):
diff = Difference(self.want, self.have)
updatables = Parameters.updatables
changed = dict()
for k in updatables:
change = diff.compare(k)
if change is None:
continue
else:
if isinstance(change, dict):
changed.update(change)
else:
changed[k] = change
if changed:
self.changes = UsableChanges(params=changed)
return True
return False
def should_update(self):
result = self._update_changed_options()
if result:
return True
return False
def exec_module(self):
result = dict()
changed = self.present()
reportable = ReportableChanges(params=self.changes.to_return())
changes = reportable.to_return()
result.update(**changes)
result.update(dict(changed=changed))
self._announce_deprecations(result)
return result
def _announce_deprecations(self, result):
warnings = result.pop('__warnings', [])
for warning in warnings:
self.client.module.deprecate(
msg=warning['msg'],
version=warning['version']
)
def present(self):
if self.exists():
return False
else:
return self.update()
def exists(self):
uri = "https://{0}:{1}/mgmt/tm/sys/software/volume/{2}".format(
self.client.provider['server'],
self.client.provider['server_port'],
self.want.volume
)
resp = self.client.api.get(uri)
try:
response = resp.json()
except ValueError:
return False
if resp.status == 404 or 'code' in response and response['code'] == 404:
return False
# version key can be missing in the event that an existing volume has
# no installed software in it.
if self.want.version != response.get('version', None):
return False
if self.want.build != response.get('build', None):
return False
if self.want.state == 'installed':
return True
if self.want.state == 'activated':
if 'defaultBootLocation' in response['media'][0]:
return True
return False
def volume_exists(self):
uri = "https://{0}:{1}/mgmt/tm/sys/software/volume/{2}".format(
self.client.provider['server'],
self.client.provider['server_port'],
self.want.volume
)
resp = self.client.api.get(uri)
try:
response = resp.json()
except ValueError:
return False
if resp.status == 404 or 'code' in response and response['code'] == 404:
return False
return True
def update(self):
if self.module.check_mode:
return True
if self.want.image and self.want.image not in self.have.image_names:
raise F5ModuleError(
"The specified image was not found on the device"
)
options = list()
if not self.volume_exists():
options.append({'create-volume': True})
if self.want.state == 'activated':
options.append({'reboot': True})
self.want.update({'options': options})
self.update_on_device()
self.wait_for_software_install_on_device()
if self.want.state == 'activated':
self.wait_for_device_reboot()
return True
def update_on_device(self):
params = {
"command": "install",
"name": self.want.image,
}
params.update(self.want.api_params())
uri = "https://{0}:{1}/mgmt/tm/sys/software/{2}".format(
self.client.provider['server'],
self.client.provider['server_port'],
self.want.image_type
)
resp = self.client.api.post(uri, json=params)
try:
response = resp.json()
if 'commandResult' in response and len(response['commandResult'].strip()) > 0:
raise F5ModuleError(response['commandResult'])
except ValueError as ex:
raise F5ModuleError(str(ex))
if 'code' in response and response['code'] in [400, 403]:
if 'message' in response:
raise F5ModuleError(response['message'])
else:
raise F5ModuleError(resp.content)
return True
def wait_for_device_reboot(self):
while True:
time.sleep(5)
try:
self.client.reconnect()
volume = self.read_volume_from_device()
if 'active' in volume and volume['active'] is True:
break
except F5ModuleError:
# Handle all exceptions because if the system is offline (for a
# reboot) the REST client will raise exceptions about
# connections
pass
def wait_for_software_install_on_device(self):
# We need to delay this slightly in case the the volume needs to be
# created first
for dummy in range(10):
try:
if self.volume_exists():
break
except F5ModuleError:
pass
time.sleep(5)
while True:
time.sleep(10)
volume = self.read_volume_from_device()
if volume['status'] == 'complete':
break
elif volume['status'] == 'failed':
raise F5ModuleError
def read_volume_from_device(self):
uri = "https://{0}:{1}/mgmt/tm/sys/software/volume/{2}".format(
self.client.provider['server'],
self.client.provider['server_port'],
self.want.volume
)
resp = self.client.api.get(uri)
try:
response = resp.json()
except ValueError as ex:
raise F5ModuleError(str(ex))
if 'code' in response and response['code'] == 400:
if 'message' in response:
raise F5ModuleError(response['message'])
else:
raise F5ModuleError(resp.content)
return response
class ArgumentSpec(object):
def __init__(self):
self.supports_check_mode = True
argument_spec = dict(
image=dict(),
volume=dict(),
state=dict(
default='activated',
choices=['activated', 'installed']
),
)
self.argument_spec = {}
self.argument_spec.update(f5_argument_spec)
self.argument_spec.update(argument_spec)
def main():
spec = ArgumentSpec()
module = AnsibleModule(
argument_spec=spec.argument_spec,
supports_check_mode=spec.supports_check_mode,
)
try:
client = F5RestClient(**module.params)
mm = ModuleManager(module=module, client=client)
results = mm.exec_module()
exit_json(module, results, client)
except F5ModuleError as ex:
fail_json(module, ex, client)
if __name__ == '__main__':
main()

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# -*- coding: utf-8 -*-
#
# Copyright: (c) 2017, F5 Networks Inc.
# 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
import os
import json
import pytest
import sys
from nose.plugins.skip import SkipTest
if sys.version_info < (2, 7):
raise SkipTest("F5 Ansible modules require Python >= 2.7")
from ansible.compat.tests import unittest
from ansible.compat.tests.mock import Mock
from ansible.compat.tests.mock import patch
from ansible.module_utils.basic import AnsibleModule
try:
from library.modules.bigip_software_install import ApiParameters
from library.modules.bigip_software_install import ModuleParameters
from library.modules.bigip_software_install import ModuleManager
from library.modules.bigip_software_install import ArgumentSpec
from library.module_utils.network.f5.common import F5ModuleError
from library.module_utils.network.f5.common import iControlUnexpectedHTTPError
from test.unit.modules.utils import set_module_args
except ImportError:
try:
from ansible.modules.network.f5.bigip_software_install import ApiParameters
from ansible.modules.network.f5.bigip_software_install import ModuleParameters
from ansible.modules.network.f5.bigip_software_install import ModuleManager
from ansible.modules.network.f5.bigip_software_install import ArgumentSpec
from ansible.module_utils.network.f5.common import F5ModuleError
from ansible.module_utils.network.f5.common import iControlUnexpectedHTTPError
from units.modules.utils import set_module_args
except ImportError:
raise SkipTest("F5 Ansible modules require the f5-sdk Python library")
fixture_path = os.path.join(os.path.dirname(__file__), 'fixtures')
fixture_data = {}
def load_fixture(name):
path = os.path.join(fixture_path, name)
if path in fixture_data:
return fixture_data[path]
with open(path) as f:
data = f.read()
try:
data = json.loads(data)
except Exception:
pass
fixture_data[path] = data
return data
class TestParameters(unittest.TestCase):
def test_module_parameters(self):
args = dict(
volume='HD1.2',
image='BIGIP-13.0.0.0.0.1645.iso',
)
p = ModuleParameters(params=args)
assert p.volume == 'HD1.2'
assert p.image == 'BIGIP-13.0.0.0.0.1645.iso'
@patch('ansible.module_utils.f5_utils.AnsibleF5Client._get_mgmt_root',
return_value=True)
class TestManager(unittest.TestCase):
def setUp(self):
self.spec = ArgumentSpec()
def test_create(self, *args):
set_module_args(dict(
image='BIGIP-13.0.0.0.0.1645.iso',
volume='HD1.2',
server='localhost',
password='password',
user='admin'
))
current = ApiParameters()
current.read_image_from_device = Mock(
side_effect=[
['BIGIP-13.0.0.0.0.1645.iso'],
['BIGIP-12.1.3.4-0.0.2.iso'],
]
)
module = AnsibleModule(
argument_spec=self.spec.argument_spec,
supports_check_mode=self.spec.supports_check_mode
)
# Override methods in the specific type of manager
mm = ModuleManager(module=module)
mm.have = current
mm.exists = Mock(side_effect=[False, True])
mm.create_on_device = Mock(return_value=True)
mm.volume_exists = Mock(return_value=True)
mm.update_on_device = Mock(return_value=True)
mm.wait_for_device_reboot = Mock(return_value=True)
mm.wait_for_software_install_on_device = Mock(return_value=True)
results = mm.exec_module()
assert results['changed'] is True
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