223 lines
6.7 KiB
Python
223 lines
6.7 KiB
Python
#!/usr/bin/python
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#
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# This is a 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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# This Ansible library 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 this library. If not, see <http://www.gnu.org/licenses/>.
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ANSIBLE_METADATA = {'metadata_version': '1.0',
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'status': ['stableinterface'],
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'supported_by': 'curated'}
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DOCUMENTATION = '''
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---
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module: ec2_vpc_igw
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short_description: Manage an AWS VPC Internet gateway
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description:
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- Manage an AWS VPC Internet gateway
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version_added: "2.0"
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author: Robert Estelle (@erydo)
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options:
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vpc_id:
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description:
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- The VPC ID for the VPC in which to manage the Internet Gateway.
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required: true
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default: null
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tags:
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description:
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- "A dict of tags to apply to the internet gateway. Any tags currently applied to the internet gateway and not present here will be removed."
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required: false
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default: null
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aliases: [ 'resource_tags' ]
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version_added: "2.4"
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state:
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description:
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- Create or terminate the IGW
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required: false
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default: present
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choices: [ 'present', 'absent' ]
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extends_documentation_fragment:
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- aws
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- ec2
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'''
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EXAMPLES = '''
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# Note: These examples do not set authentication details, see the AWS Guide for details.
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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 in setting up NATs etc.
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ec2_vpc_igw:
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vpc_id: vpc-abcdefgh
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state: present
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register: igw
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'''
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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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from ansible.module_utils.basic import AnsibleModule
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from ansible.module_utils.ec2 import AnsibleAWSError, connect_to_aws, ec2_argument_spec, get_aws_connection_info
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from ansible.module_utils.six import string_types
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class AnsibleIGWException(Exception):
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pass
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def get_igw_info(igw):
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return {'id': igw.id,
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'tags': igw.tags,
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'vpc_id': igw.vpc_id
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}
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def get_resource_tags(vpc_conn, resource_id):
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return dict((t.name, t.value) for t in
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vpc_conn.get_all_tags(filters={'resource-id': resource_id}))
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def ensure_tags(vpc_conn, resource_id, tags, add_only, check_mode):
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try:
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cur_tags = get_resource_tags(vpc_conn, resource_id)
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if cur_tags == tags:
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return {'changed': False, 'tags': cur_tags}
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to_delete = dict((k, cur_tags[k]) for k in cur_tags if k not in tags)
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if to_delete and not add_only:
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vpc_conn.delete_tags(resource_id, to_delete, dry_run=check_mode)
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to_add = dict((k, tags[k]) for k in tags if k not in cur_tags or cur_tags[k] != tags[k])
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if to_add:
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vpc_conn.create_tags(resource_id, to_add, dry_run=check_mode)
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latest_tags = get_resource_tags(vpc_conn, resource_id)
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return {'changed': True, 'tags': latest_tags}
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except EC2ResponseError as e:
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raise AnsibleTagCreationException(
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'Unable to update tags for {0}, error: {1}'.format(resource_id, e))
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def get_matching_igw(vpc_conn, vpc_id):
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igws = vpc_conn.get_all_internet_gateways(filters={'attachment.vpc-id': vpc_id})
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if len(igws) > 1:
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raise AnsibleIGWException(
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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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return igws[0] if igws else None
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def ensure_igw_absent(vpc_conn, vpc_id, check_mode):
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igw = get_matching_igw(vpc_conn, vpc_id)
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if igw is None:
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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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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 AnsibleIGWException(
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'Unable to delete Internet Gateway, error: {0}'.format(e))
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return {'changed': True}
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def ensure_igw_present(vpc_conn, vpc_id, tags, check_mode):
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igw = get_matching_igw(vpc_conn, vpc_id)
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changed = False
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if igw is None:
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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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changed = True
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except EC2ResponseError as e:
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raise AnsibleIGWException(
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'Unable to create Internet Gateway, error: {0}'.format(e))
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igw.vpc_id = vpc_id
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if tags != igw.tags:
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ensure_tags(vpc_conn, igw.id, tags, False, check_mode)
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igw.tags = tags
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changed = True
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igw_info = get_igw_info(igw)
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return {
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'changed': changed,
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'gateway': igw_info
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}
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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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dict(
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vpc_id=dict(required=True),
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state=dict(default='present', choices=['present', 'absent']),
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tags=dict(default=dict(), required=False, type='dict', aliases=['resource_tags'])
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)
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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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region, ec2_url, aws_connect_params = get_aws_connection_info(module)
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if region:
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try:
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connection = connect_to_aws(boto.vpc, region, **aws_connect_params)
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except (boto.exception.NoAuthHandlerFound, AnsibleAWSError) as e:
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module.fail_json(msg=str(e))
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else:
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module.fail_json(msg="region must be specified")
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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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tags = module.params.get('tags')
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nonstring_tags = [k for k, v in tags.items() if not isinstance(v, string_types)]
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if nonstring_tags:
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module.fail_json(msg='One or more tags contain non-string values: {0}'.format(nonstring_tags))
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try:
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if state == 'present':
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result = ensure_igw_present(connection, vpc_id, tags, check_mode=module.check_mode)
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elif state == 'absent':
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result = ensure_igw_absent(connection, vpc_id, check_mode=module.check_mode)
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except AnsibleIGWException as e:
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module.fail_json(msg=str(e))
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module.exit_json(**result)
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if __name__ == '__main__':
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main()
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