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ansible/cloud/amazon/ec2_vpc_subnet_facts.py

141 lines
4.1 KiB
Python

#!/usr/bin/python
#
# This is a 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.
#
# This Ansible library 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 this library. If not, see <http://www.gnu.org/licenses/>.
DOCUMENTATION = '''
---
module: ec2_vpc_subnet_facts
short_description: Gather facts about ec2 VPC subnets in AWS
description:
- Gather facts about ec2 VPC subnets in AWS
version_added: "2.1"
author: "Rob White (@wimnat)"
options:
filters:
description:
- A dict of filters to apply. Each dict item consists of a filter key and a filter value. See U(http://docs.aws.amazon.com/AWSEC2/latest/APIReference/API_DescribeSubnets.html) for possible filters.
required: false
default: null
extends_documentation_fragment:
- aws
- ec2
'''
EXAMPLES = '''
# Note: These examples do not set authentication details, see the AWS Guide for details.
# Gather facts about all VPC subnets
- ec2_vpc_subnet_facts:
# Gather facts about a particular VPC subnet using ID
- ec2_vpc_subnet_facts:
filters:
subnet-id: subnet-00112233
# Gather facts about any VPC subnet with a tag key Name and value Example
- ec2_vpc_subnet_facts:
filters:
"tag:Name": Example
# Gather facts about any VPC subnet within VPC with ID vpc-abcdef00
- ec2_vpc_subnet_facts:
filters:
vpc-id: vpc-abcdef00
# Gather facts about a set of VPC subnets, publicA, publicB and publicC within a
# VPC with ID vpc-abcdef00 and then use the jinja map function to return the
# subnet_ids as a list.
- ec2_vpc_subnet_facts:
filters:
vpc-id: vpc-abcdef00
"tag:Name": "{{ item }}"
with_items:
- publicA
- publicB
- publicC
- set_fact:
subnet_ids: "{{ subnet_facts.results|map(attribute='subnets.0.id')|list }}"
'''
try:
import boto.vpc
from boto.exception import BotoServerError
HAS_BOTO = True
except ImportError:
HAS_BOTO = False
def get_subnet_info(subnet):
subnet_info = { 'id': subnet.id,
'availability_zone': subnet.availability_zone,
'available_ip_address_count': subnet.available_ip_address_count,
'cidr_block': subnet.cidr_block,
'default_for_az': subnet.defaultForAz,
'map_public_ip_on_launch': subnet.mapPublicIpOnLaunch,
'state': subnet.state,
'tags': subnet.tags,
'vpc_id': subnet.vpc_id
}
return subnet_info
def list_ec2_vpc_subnets(connection, module):
filters = module.params.get("filters")
subnet_dict_array = []
try:
all_subnets = connection.get_all_subnets(filters=filters)
except BotoServerError as e:
module.fail_json(msg=e.message)
for subnet in all_subnets:
subnet_dict_array.append(get_subnet_info(subnet))
module.exit_json(subnets=subnet_dict_array)
def main():
argument_spec = ec2_argument_spec()
argument_spec.update(
dict(
filters = dict(default=None, type='dict')
)
)
module = AnsibleModule(argument_spec=argument_spec)
if not HAS_BOTO:
module.fail_json(msg='boto required for this module')
region, ec2_url, aws_connect_params = get_aws_connection_info(module)
if region:
try:
connection = connect_to_aws(boto.vpc, region, **aws_connect_params)
except (boto.exception.NoAuthHandlerFound, AnsibleAWSError), e:
module.fail_json(msg=str(e))
else:
module.fail_json(msg="region must be specified")
list_ec2_vpc_subnets(connection, module)
from ansible.module_utils.basic import *
from ansible.module_utils.ec2 import *
if __name__ == '__main__':
main()