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community.general/plugins/modules/cloud/centurylink/clc_aa_policy.py

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2020-03-09 10:11:07 +01:00
#!/usr/bin/python
#
# Copyright (c) 2015 CenturyLink
# 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
DOCUMENTATION = '''
module: clc_aa_policy
short_description: Create or Delete Anti Affinity Policies at CenturyLink Cloud.
description:
- An Ansible module to Create or Delete Anti Affinity Policies at CenturyLink Cloud.
options:
name:
description:
- The name of the Anti Affinity Policy.
type: str
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required: True
location:
description:
- Datacenter in which the policy lives/should live.
type: str
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required: True
state:
description:
- Whether to create or delete the policy.
type: str
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required: False
default: present
choices: ['present','absent']
requirements:
- python = 2.7
- requests >= 2.5.0
- clc-sdk
author: "CLC Runner (@clc-runner)"
notes:
- To use this module, it is required to set the below environment variables which enables access to the
Centurylink Cloud
- CLC_V2_API_USERNAME, the account login id for the centurylink cloud
- CLC_V2_API_PASSWORD, the account password for the centurylink cloud
- Alternatively, the module accepts the API token and account alias. The API token can be generated using the
CLC account login and password via the HTTP api call @ https://api.ctl.io/v2/authentication/login
- CLC_V2_API_TOKEN, the API token generated from https://api.ctl.io/v2/authentication/login
- CLC_ACCT_ALIAS, the account alias associated with the centurylink cloud
- Users can set CLC_V2_API_URL to specify an endpoint for pointing to a different CLC environment.
'''
EXAMPLES = '''
# Note - You must set the CLC_V2_API_USERNAME And CLC_V2_API_PASSWD Environment variables before running these examples
---
- name: Create AA Policy
hosts: localhost
gather_facts: False
connection: local
tasks:
- name: Create an Anti Affinity Policy
community.general.clc_aa_policy:
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name: Hammer Time
location: UK3
state: present
register: policy
- name: Debug
ansible.builtin.debug:
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var: policy
- name: Delete AA Policy
hosts: localhost
gather_facts: False
connection: local
tasks:
- name: Delete an Anti Affinity Policy
community.general.clc_aa_policy:
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name: Hammer Time
location: UK3
state: absent
register: policy
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- name: Debug
ansible.builtin.debug:
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var: policy
'''
RETURN = '''
policy:
description: The anti affinity policy information
returned: success
type: dict
sample:
{
"id":"1a28dd0988984d87b9cd61fa8da15424",
"name":"test_aa_policy",
"location":"UC1",
"links":[
{
"rel":"self",
"href":"/v2/antiAffinityPolicies/wfad/1a28dd0988984d87b9cd61fa8da15424",
"verbs":[
"GET",
"DELETE",
"PUT"
]
},
{
"rel":"location",
"href":"/v2/datacenters/wfad/UC1",
"id":"uc1",
"name":"UC1 - US West (Santa Clara)"
}
]
}
'''
__version__ = '${version}'
import os
import traceback
from distutils.version import LooseVersion
REQUESTS_IMP_ERR = None
try:
import requests
except ImportError:
REQUESTS_IMP_ERR = traceback.format_exc()
REQUESTS_FOUND = False
else:
REQUESTS_FOUND = True
#
# Requires the clc-python-sdk:
# sudo pip install clc-sdk
#
CLC_IMP_ERR = None
try:
import clc as clc_sdk
from clc import CLCException
except ImportError:
CLC_IMP_ERR = traceback.format_exc()
CLC_FOUND = False
clc_sdk = None
else:
CLC_FOUND = True
from ansible.module_utils.basic import AnsibleModule, missing_required_lib
class ClcAntiAffinityPolicy:
clc = clc_sdk
module = None
def __init__(self, module):
"""
Construct module
"""
self.module = module
self.policy_dict = {}
if not CLC_FOUND:
self.module.fail_json(msg=missing_required_lib('clc-sdk'),
exception=CLC_IMP_ERR)
if not REQUESTS_FOUND:
self.module.fail_json(msg=missing_required_lib('requests'),
exception=REQUESTS_IMP_ERR)
if requests.__version__ and LooseVersion(requests.__version__) < LooseVersion('2.5.0'):
self.module.fail_json(
msg='requests library version should be >= 2.5.0')
self._set_user_agent(self.clc)
@staticmethod
def _define_module_argument_spec():
"""
Define the argument spec for the ansible module
:return: argument spec dictionary
"""
argument_spec = dict(
name=dict(required=True),
location=dict(required=True),
state=dict(default='present', choices=['present', 'absent']),
)
return argument_spec
# Module Behavior Goodness
def process_request(self):
"""
Process the request - Main Code Path
:return: Returns with either an exit_json or fail_json
"""
p = self.module.params
self._set_clc_credentials_from_env()
self.policy_dict = self._get_policies_for_datacenter(p)
if p['state'] == "absent":
changed, policy = self._ensure_policy_is_absent(p)
else:
changed, policy = self._ensure_policy_is_present(p)
if hasattr(policy, 'data'):
policy = policy.data
elif hasattr(policy, '__dict__'):
policy = policy.__dict__
self.module.exit_json(changed=changed, policy=policy)
def _set_clc_credentials_from_env(self):
"""
Set the CLC Credentials on the sdk by reading environment variables
:return: none
"""
env = os.environ
v2_api_token = env.get('CLC_V2_API_TOKEN', False)
v2_api_username = env.get('CLC_V2_API_USERNAME', False)
v2_api_passwd = env.get('CLC_V2_API_PASSWD', False)
clc_alias = env.get('CLC_ACCT_ALIAS', False)
api_url = env.get('CLC_V2_API_URL', False)
if api_url:
self.clc.defaults.ENDPOINT_URL_V2 = api_url
if v2_api_token and clc_alias:
self.clc._LOGIN_TOKEN_V2 = v2_api_token
self.clc._V2_ENABLED = True
self.clc.ALIAS = clc_alias
elif v2_api_username and v2_api_passwd:
self.clc.v2.SetCredentials(
api_username=v2_api_username,
api_passwd=v2_api_passwd)
else:
return self.module.fail_json(
msg="You must set the CLC_V2_API_USERNAME and CLC_V2_API_PASSWD "
"environment variables")
def _get_policies_for_datacenter(self, p):
"""
Get the Policies for a datacenter by calling the CLC API.
:param p: datacenter to get policies from
:return: policies in the datacenter
"""
response = {}
policies = self.clc.v2.AntiAffinity.GetAll(location=p['location'])
for policy in policies:
response[policy.name] = policy
return response
def _create_policy(self, p):
"""
Create an Anti Affinity Policy using the CLC API.
:param p: datacenter to create policy in
:return: response dictionary from the CLC API.
"""
try:
return self.clc.v2.AntiAffinity.Create(
name=p['name'],
location=p['location'])
except CLCException as ex:
self.module.fail_json(msg='Failed to create anti affinity policy : {0}. {1}'.format(
p['name'], ex.response_text
))
def _delete_policy(self, p):
"""
Delete an Anti Affinity Policy using the CLC API.
:param p: datacenter to delete a policy from
:return: none
"""
try:
policy = self.policy_dict[p['name']]
policy.Delete()
except CLCException as ex:
self.module.fail_json(msg='Failed to delete anti affinity policy : {0}. {1}'.format(
p['name'], ex.response_text
))
def _policy_exists(self, policy_name):
"""
Check to see if an Anti Affinity Policy exists
:param policy_name: name of the policy
:return: boolean of if the policy exists
"""
if policy_name in self.policy_dict:
return self.policy_dict.get(policy_name)
return False
def _ensure_policy_is_absent(self, p):
"""
Makes sure that a policy is absent
:param p: dictionary of policy name
:return: tuple of if a deletion occurred and the name of the policy that was deleted
"""
changed = False
if self._policy_exists(policy_name=p['name']):
changed = True
if not self.module.check_mode:
self._delete_policy(p)
return changed, None
def _ensure_policy_is_present(self, p):
"""
Ensures that a policy is present
:param p: dictionary of a policy name
:return: tuple of if an addition occurred and the name of the policy that was added
"""
changed = False
policy = self._policy_exists(policy_name=p['name'])
if not policy:
changed = True
policy = None
if not self.module.check_mode:
policy = self._create_policy(p)
return changed, policy
@staticmethod
def _set_user_agent(clc):
if hasattr(clc, 'SetRequestsSession'):
agent_string = "ClcAnsibleModule/" + __version__
ses = requests.Session()
ses.headers.update({"Api-Client": agent_string})
ses.headers['User-Agent'] += " " + agent_string
clc.SetRequestsSession(ses)
def main():
"""
The main function. Instantiates the module and calls process_request.
:return: none
"""
module = AnsibleModule(
argument_spec=ClcAntiAffinityPolicy._define_module_argument_spec(),
supports_check_mode=True)
clc_aa_policy = ClcAntiAffinityPolicy(module)
clc_aa_policy.process_request()
if __name__ == '__main__':
main()