community.general/lib/ansible/modules/cloud/azure/azure_rm_devtestlabpolicy.py

402 lines
13 KiB
Python

#!/usr/bin/python
#
# Copyright (c) 2019 Zim Kalinowski, (@zikalino)
#
# 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: azure_rm_devtestlabpolicy
version_added: "2.8"
short_description: Manage Azure Policy instance.
description:
- Create, update and delete instance of Azure Policy.
options:
resource_group:
description:
- The name of the resource group.
required: True
lab_name:
description:
- The name of the lab.
required: True
policy_set_name:
description:
- The name of the policy set.
required: True
name:
description:
- The name of the policy.
required: True
description:
description:
- The description of the policy.
fact_name:
description:
- The fact name of the policy (e.g. C(lab_vm_count), C(lab_vm_size), MaxVmsAllowedPerLab, etc.
choices:
- 'user_owned_lab_vm_count'
- 'user_owned_lab_premium_vm_count'
- 'lab_vm_count'
- 'lab_premium_vm_count'
- 'lab_vm_size'
- 'gallery_image'
- 'user_owned_lab_vm_count_in_subnet'
- 'lab_target_cost'
threshold:
description:
- The threshold of the policy (it could be either a maximum value or a list of allowed values).
type: raw
state:
description:
- Assert the state of the Policy.
- Use C(present) to create or update an Policy and C(absent) to delete it.
default: present
choices:
- absent
- present
extends_documentation_fragment:
- azure
- azure_tags
author:
- "Zim Kalinowski (@zikalino)"
'''
EXAMPLES = '''
- name: Create DevTest Lab Policy
azure_rm_devtestlabpolicy:
resource_group: myResourceGroup
lab_name: myLab
policy_set_name: myPolicySet
name: myPolicy
fact_name: user_owned_lab_vm_count
threshold: 5
'''
RETURN = '''
id:
description:
- The identifier of the resource.
returned: always
type: str
sample: "/subscriptions/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx/resourcegroups/myResourceGroup/providers/microsoft.devtestlab/labs/myLab/policySets/
myPolicySet/policies/myPolicy"
'''
import time
from ansible.module_utils.azure_rm_common import AzureRMModuleBase
from ansible.module_utils.common.dict_transformations import _snake_to_camel
try:
from msrestazure.azure_exceptions import CloudError
from msrest.polling import LROPoller
from msrestazure.azure_operation import AzureOperationPoller
from azure.mgmt.devtestlabs import DevTestLabsClient
from msrest.serialization import Model
except ImportError:
# This is handled in azure_rm_common
pass
class Actions:
NoAction, Create, Update, Delete = range(4)
class AzureRMDtlPolicy(AzureRMModuleBase):
"""Configuration class for an Azure RM Policy resource"""
def __init__(self):
self.module_arg_spec = dict(
resource_group=dict(
type='str',
required=True
),
lab_name=dict(
type='str',
required=True
),
policy_set_name=dict(
type='str',
required=True
),
name=dict(
type='str',
required=True
),
description=dict(
type='str'
),
fact_name=dict(
type='str',
choices=['user_owned_lab_vm_count',
'user_owned_lab_premium_vm_count',
'lab_vm_count',
'lab_premium_vm_count',
'lab_vm_size',
'gallery_image',
'user_owned_lab_vm_count_in_subnet',
'lab_target_cost']
),
threshold=dict(
type='raw'
),
state=dict(
type='str',
default='present',
choices=['present', 'absent']
)
)
self.resource_group = None
self.lab_name = None
self.policy_set_name = None
self.name = None
self.policy = dict()
self.results = dict(changed=False)
self.mgmt_client = None
self.state = None
self.to_do = Actions.NoAction
required_if = [
('state', 'present', ['threshold', 'fact_name'])
]
super(AzureRMDtlPolicy, self).__init__(derived_arg_spec=self.module_arg_spec,
supports_check_mode=True,
supports_tags=True,
required_if=required_if)
def exec_module(self, **kwargs):
"""Main module execution method"""
for key in list(self.module_arg_spec.keys()) + ['tags']:
if hasattr(self, key):
setattr(self, key, kwargs[key])
elif kwargs[key] is not None:
self.policy[key] = kwargs[key]
if self.state == 'present':
self.policy['status'] = 'Enabled'
dict_camelize(self.policy, ['fact_name'], True)
if isinstance(self.policy['threshold'], list):
self.policy['evaluator_type'] = 'AllowedValuesPolicy'
else:
self.policy['evaluator_type'] = 'MaxValuePolicy'
response = None
self.mgmt_client = self.get_mgmt_svc_client(DevTestLabsClient,
base_url=self._cloud_environment.endpoints.resource_manager)
resource_group = self.get_resource_group(self.resource_group)
old_response = self.get_policy()
if not old_response:
self.log("Policy instance doesn't exist")
if self.state == 'absent':
self.log("Old instance didn't exist")
else:
self.to_do = Actions.Create
else:
self.log("Policy instance already exists")
if self.state == 'absent':
self.to_do = Actions.Delete
elif self.state == 'present':
if (not default_compare(self.policy, old_response, '', self.results)):
self.to_do = Actions.Update
if (self.to_do == Actions.Create) or (self.to_do == Actions.Update):
self.log("Need to Create / Update the Policy instance")
if self.check_mode:
self.results['changed'] = True
return self.results
response = self.create_update_policy()
self.results['changed'] = True
self.log("Creation / Update done")
elif self.to_do == Actions.Delete:
self.log("Policy instance deleted")
self.results['changed'] = True
if self.check_mode:
return self.results
self.delete_policy()
# This currently doesnt' work as there is a bug in SDK / Service
if isinstance(response, LROPoller) or isinstance(response, AzureOperationPoller):
response = self.get_poller_result(response)
else:
self.log("Policy instance unchanged")
self.results['changed'] = False
response = old_response
if self.state == 'present':
self.results.update({
'id': response.get('id', None),
'status': response.get('status', None)
})
return self.results
def create_update_policy(self):
'''
Creates or updates Policy with the specified configuration.
:return: deserialized Policy instance state dictionary
'''
self.log("Creating / Updating the Policy instance {0}".format(self.name))
try:
response = self.mgmt_client.policies.create_or_update(resource_group_name=self.resource_group,
lab_name=self.lab_name,
policy_set_name=self.policy_set_name,
name=self.name,
policy=self.policy)
if isinstance(response, LROPoller) or isinstance(response, AzureOperationPoller):
response = self.get_poller_result(response)
except CloudError as exc:
self.log('Error attempting to create the Policy instance.')
self.fail("Error creating the Policy instance: {0}".format(str(exc)))
return response.as_dict()
def delete_policy(self):
'''
Deletes specified Policy instance in the specified subscription and resource group.
:return: True
'''
self.log("Deleting the Policy instance {0}".format(self.name))
try:
response = self.mgmt_client.policies.delete(resource_group_name=self.resource_group,
lab_name=self.lab_name,
policy_set_name=self.policy_set_name,
name=self.name)
except CloudError as e:
self.log('Error attempting to delete the Policy instance.')
self.fail("Error deleting the Policy instance: {0}".format(str(e)))
return True
def get_policy(self):
'''
Gets the properties of the specified Policy.
:return: deserialized Policy instance state dictionary
'''
self.log("Checking if the Policy instance {0} is present".format(self.name))
found = False
try:
response = self.mgmt_client.policies.get(resource_group_name=self.resource_group,
lab_name=self.lab_name,
policy_set_name=self.policy_set_name,
name=self.name)
found = True
self.log("Response : {0}".format(response))
self.log("Policy instance : {0} found".format(response.name))
except CloudError as e:
self.log('Did not find the Policy instance.')
if found is True:
return response.as_dict()
return False
def default_compare(new, old, path, result):
if new is None:
return True
elif isinstance(new, dict):
if not isinstance(old, dict):
result['compare'] = 'changed [' + path + '] old dict is null'
return False
for k in new.keys():
if not default_compare(new.get(k), old.get(k, None), path + '/' + k, result):
return False
return True
elif isinstance(new, list):
if not isinstance(old, list) or len(new) != len(old):
result['compare'] = 'changed [' + path + '] length is different or null'
return False
if isinstance(old[0], dict):
key = None
if 'id' in old[0] and 'id' in new[0]:
key = 'id'
elif 'name' in old[0] and 'name' in new[0]:
key = 'name'
else:
key = list(old[0])[0]
new = sorted(new, key=lambda x: x.get(key, None))
old = sorted(old, key=lambda x: x.get(key, None))
else:
new = sorted(new)
old = sorted(old)
for i in range(len(new)):
if not default_compare(new[i], old[i], path + '/*', result):
return False
return True
else:
if path == '/location':
new = new.replace(' ', '').lower()
old = new.replace(' ', '').lower()
if str(new) == str(old):
return True
else:
result['compare'] = 'changed [' + path + '] ' + str(new) + ' != ' + str(old)
return False
def dict_camelize(d, path, camelize_first):
if isinstance(d, list):
for i in range(len(d)):
dict_camelize(d[i], path, camelize_first)
elif isinstance(d, dict):
if len(path) == 1:
old_value = d.get(path[0], None)
if old_value is not None:
d[path[0]] = _snake_to_camel(old_value, camelize_first)
else:
sd = d.get(path[0], None)
if sd is not None:
dict_camelize(sd, path[1:], camelize_first)
def dict_map(d, path, map):
if isinstance(d, list):
for i in range(len(d)):
dict_map(d[i], path, map)
elif isinstance(d, dict):
if len(path) == 1:
old_value = d.get(path[0], None)
if old_value is not None:
d[path[0]] = map.get(old_value, old_value)
else:
sd = d.get(path[0], None)
if sd is not None:
dict_map(sd, path[1:], map)
def main():
"""Main execution"""
AzureRMDtlPolicy()
if __name__ == '__main__':
main()