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#!/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: elasticache_subnet_group
version_added: "2.0"
short_description: manage Elasticache subnet groups
description:
- Creates, modifies, and deletes Elasticache subnet groups. This module has a dependency on python-boto >= 2.5.
options:
state:
description:
- Specifies whether the subnet should be present or absent.
required: true
default: present
choices: [ 'present' , 'absent' ]
name:
description:
- Database subnet group identifier.
required: true
description:
description:
- Elasticache subnet group description. Only set when a new group is added.
required: false
default: null
subnets:
description:
- List of subnet IDs that make up the Elasticache subnet group.
required: false
default: null
author: "Tim Mahoney (@timmahoney)"
extends_documentation_fragment:
- aws
- ec2
'''
EXAMPLES = '''
# Add or change a subnet group
- elasticache_subnet_group
state: present
name: norwegian-blue
description: My Fancy Ex Parrot Subnet Group
subnets:
- subnet-aaaaaaaa
- subnet-bbbbbbbb
# Remove a subnet group
- elasticache_subnet_group:
state: absent
name: norwegian-blue
'''
try:
import boto
from boto.elasticache.layer1 import ElastiCacheConnection
from boto.regioninfo import RegionInfo
from boto.exception import BotoServerError
HAS_BOTO = True
except ImportError:
HAS_BOTO = False
def main():
argument_spec = ec2_argument_spec()
argument_spec.update(dict(
state = dict(required=True, choices=['present', 'absent']),
name = dict(required=True),
description = dict(required=False),
subnets = dict(required=False, type='list'),
)
)
module = AnsibleModule(argument_spec=argument_spec)
if not HAS_BOTO:
module.fail_json(msg='boto required for this module')
state = module.params.get('state')
group_name = module.params.get('name').lower()
group_description = module.params.get('description')
group_subnets = module.params.get('subnets') or {}
if state == 'present':
for required in ['name', 'description', 'subnets']:
if not module.params.get(required):
module.fail_json(msg = str("Parameter %s required for state='present'" % required))
else:
for not_allowed in ['description', 'subnets']:
if module.params.get(not_allowed):
module.fail_json(msg = str("Parameter %s not allowed for state='absent'" % not_allowed))
# Retrieve any AWS settings from the environment.
region, ec2_url, aws_connect_kwargs = get_aws_connection_info(module)
if not region:
module.fail_json(msg = str("Either region or AWS_REGION or EC2_REGION environment variable or boto config aws_region or ec2_region must be set."))
"""Get an elasticache connection"""
try:
endpoint = "elasticache.%s.amazonaws.com" % region
connect_region = RegionInfo(name=region, endpoint=endpoint)
conn = ElastiCacheConnection(region=connect_region, **aws_connect_kwargs)
except boto.exception.NoAuthHandlerFound as e:
module.fail_json(msg=e.message)
try:
changed = False
exists = False
try:
matching_groups = conn.describe_cache_subnet_groups(group_name, max_records=100)
exists = len(matching_groups) > 0
except BotoServerError as e:
if e.error_code != 'CacheSubnetGroupNotFoundFault':
module.fail_json(msg = e.error_message)
if state == 'absent':
if exists:
conn.delete_cache_subnet_group(group_name)
changed = True
else:
if not exists:
new_group = conn.create_cache_subnet_group(group_name, cache_subnet_group_description=group_description, subnet_ids=group_subnets)
changed = True
else:
changed_group = conn.modify_cache_subnet_group(group_name, cache_subnet_group_description=group_description, subnet_ids=group_subnets)
changed = True
except BotoServerError as e:
if e.error_message != 'No modifications were requested.':
module.fail_json(msg = e.error_message)
else:
changed = False
module.exit_json(changed=changed)
# import module snippets
from ansible.module_utils.basic import *
from ansible.module_utils.ec2 import *
main()
|
