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#!/usr/bin/python
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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DOCUMENTATION = '''
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---
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module: ec2_vpc_igw
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short_description: configure AWS virtual private clouds
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description:
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- Create or terminates AWS internat gateway in a virtual private cloud. '''
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'''This module has a dependency on python-boto.
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version_added: "1.8"
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options:
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vpc_id:
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description:
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- "The VPC ID for which to create or remove the Internet Gateway."
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required: true
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state:
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description:
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- Create or terminate the IGW
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required: true
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default: present
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aliases: []
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region:
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description:
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- region in which the resource exists.
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required: false
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default: null
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aliases: ['aws_region', 'ec2_region']
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aws_secret_key:
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description:
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- AWS secret key. If not set then the value of the AWS_SECRET_KEY'''
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''' environment variable is used.
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required: false
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default: None
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aliases: ['ec2_secret_key', 'secret_key' ]
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aws_access_key:
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description:
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- AWS access key. If not set then the value of the AWS_ACCESS_KEY'''
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''' environment variable is used.
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required: false
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default: None
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aliases: ['ec2_access_key', 'access_key' ]
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validate_certs:
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description:
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- When set to "no", SSL certificates will not be validated for boto'''
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''' versions >= 2.6.0.
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required: false
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default: "yes"
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choices: ["yes", "no"]
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aliases: []
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version_added: "1.5"
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requirements: [ "boto" ]
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author: Robert Estelle
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'''
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EXAMPLES = '''
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# Note: None of these examples set aws_access_key, aws_secret_key, or region.
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# It is assumed that their matching environment variables are set.
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# Ensure that the VPC has an Internet Gateway.
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# The Internet Gateway ID is can be accessed via {{igw.gateway_id}} for use
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# in setting up NATs etc.
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local_action:
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module: ec2_vpc_igw
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vpc_id: {{vpc.vpc_id}}
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region: {{vpc.vpc.region}}
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state: present
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register: igw
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'''
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import sys # noqa
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try:
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import boto.ec2
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import boto.vpc
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from boto.exception import EC2ResponseError
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HAS_BOTO = True
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except ImportError:
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HAS_BOTO = False
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if __name__ != '__main__':
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raise
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class IGWExcepton(Exception):
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pass
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def ensure_igw_absent(vpc_conn, vpc_id, check_mode):
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igws = vpc_conn.get_all_internet_gateways(
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filters={'attachment.vpc-id': vpc_id})
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if not igws:
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return {'changed': False}
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if check_mode:
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return {'changed': True}
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for igw in igws:
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try:
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vpc_conn.detach_internet_gateway(igw.id, vpc_id)
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vpc_conn.delete_internet_gateway(igw.id)
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except EC2ResponseError as e:
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raise IGWExcepton('Unable to delete Internet Gateway, error: {0}'
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.format(e))
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return {'changed': True}
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def ensure_igw_present(vpc_conn, vpc_id, check_mode):
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igws = vpc_conn.get_all_internet_gateways(
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filters={'attachment.vpc-id': vpc_id})
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if len(igws) > 1:
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raise IGWExcepton(
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'EC2 returned more than one Internet Gateway for VPC {0}, aborting'
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.format(vpc_id))
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if igws:
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return {'changed': False, 'gateway_id': igws[0].id}
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else:
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if check_mode:
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return {'changed': True, 'gateway_id': None}
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try:
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igw = vpc_conn.create_internet_gateway()
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vpc_conn.attach_internet_gateway(igw.id, vpc_id)
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return {'changed': True, 'gateway_id': igw.id}
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except EC2ResponseError as e:
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raise IGWExcepton('Unable to create Internet Gateway, error: {0}'
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.format(e))
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def main():
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argument_spec = ec2_argument_spec()
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argument_spec.update({
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'vpc_id': {'required': True},
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'state': {'choices': ['present', 'absent'], 'default': 'present'},
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})
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module = AnsibleModule(
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argument_spec=argument_spec,
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supports_check_mode=True,
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)
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if not HAS_BOTO:
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module.fail_json(msg='boto is required for this module')
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ec2_url, aws_access_key, aws_secret_key, region = get_ec2_creds(module)
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if not region:
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module.fail_json(msg='Region must be specified')
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try:
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vpc_conn = boto.vpc.connect_to_region(
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region,
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aws_access_key_id=aws_access_key,
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aws_secret_access_key=aws_secret_key
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)
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except boto.exception.NoAuthHandlerFound as e:
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module.fail_json(msg=str(e))
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vpc_id = module.params.get('vpc_id')
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state = module.params.get('state', 'present')
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try:
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if state == 'present':
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result = ensure_igw_present(vpc_conn, vpc_id,
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check_mode=module.check_mode)
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elif state == 'absent':
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result = ensure_igw_absent(vpc_conn, vpc_id,
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check_mode=module.check_mode)
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except IGWExcepton as e:
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module.fail_json(msg=str(e))
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module.exit_json(**result)
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from ansible.module_utils.basic import * # noqa
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from ansible.module_utils.ec2 import * # noqa
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if __name__ == '__main__':
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main()
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