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194 lines
6.4 KiB
Python
194 lines
6.4 KiB
Python
#!/usr/bin/python
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# Copyright (c) 2017 Ansible Project
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# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
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ANSIBLE_METADATA = {'metadata_version': '1.1',
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'status': ['preview'],
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'supported_by': 'community'}
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DOCUMENTATION = '''
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---
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module: ec2_vpc_egress_igw
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short_description: Manage an AWS VPC Egress Only Internet gateway
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description:
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- Manage an AWS VPC Egress Only Internet gateway
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version_added: "2.5"
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author: Daniel Shepherd (@shepdelacreme)
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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 that this Egress Only Internet Gateway should be attached.
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required: true
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state:
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description:
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- Create or delete the EIGW
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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 {{eigw.gateway_id}} for use in setting up NATs etc.
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ec2_vpc_egress_igw:
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vpc_id: vpc-abcdefgh
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state: present
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register: eigw
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'''
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RETURN = '''
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gateway_id:
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description: The ID of the Egress Only Internet Gateway or Null.
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returned: always
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type: string
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sample: eigw-0e00cf111ba5bc11e
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vpc_id:
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description: The ID of the VPC to attach or detach gateway from.
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returned: always
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type: string
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sample: vpc-012345678
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'''
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from ansible.module_utils.aws.core import AnsibleAWSModule
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from ansible.module_utils.ec2 import (
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boto3_conn,
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ec2_argument_spec,
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get_aws_connection_info,
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camel_dict_to_snake_dict
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)
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try:
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import botocore
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except ImportError:
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pass # will be picked up by HAS_BOTO3 in AnsibleAWSModule
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def delete_eigw(module, conn, eigw_id):
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"""
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Delete EIGW.
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module : AnsibleModule object
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conn : boto3 client connection object
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eigw_id : ID of the EIGW to delete
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"""
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changed = False
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try:
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response = conn.delete_egress_only_internet_gateway(DryRun=module.check_mode, EgressOnlyInternetGatewayId=eigw_id)
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except botocore.exceptions.ClientError as e:
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# When boto3 method is run with DryRun=True it returns an error on success
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# We need to catch the error and return something valid
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if e.response.get('Error', {}).get('Code') == "DryRunOperation":
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changed = True
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else:
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module.fail_json_aws(e, msg="Could not delete Egress-Only Internet Gateway {0} from VPC {1}".format(eigw_id, module.vpc_id))
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except botocore.exceptions.BotoCoreError as e:
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module.fail_json_aws(e, msg="Could not delete Egress-Only Internet Gateway {0} from VPC {1}".format(eigw_id, module.vpc_id))
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if not module.check_mode:
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changed = response.get('ReturnCode', False)
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return changed
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def create_eigw(module, conn, vpc_id):
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"""
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Create EIGW.
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module : AnsibleModule object
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conn : boto3 client connection object
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vpc_id : ID of the VPC we are operating on
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"""
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gateway_id = None
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changed = False
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try:
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response = conn.create_egress_only_internet_gateway(DryRun=module.check_mode, VpcId=vpc_id)
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except botocore.exceptions.ClientError as e:
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# When boto3 method is run with DryRun=True it returns an error on success
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# We need to catch the error and return something valid
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if e.response.get('Error', {}).get('Code') == "DryRunOperation":
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changed = True
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elif e.response.get('Error', {}).get('Code') == "InvalidVpcID.NotFound":
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module.fail_json_aws(e, msg="invalid vpc ID '{0}' provided".format(vpc_id))
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else:
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module.fail_json_aws(e, msg="Could not create Egress-Only Internet Gateway for vpc ID {0}".format(vpc_id))
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except botocore.exceptions.BotoCoreError as e:
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module.fail_json_aws(e, msg="Could not create Egress-Only Internet Gateway for vpc ID {0}".format(vpc_id))
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if not module.check_mode:
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gateway = response.get('EgressOnlyInternetGateway', {})
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state = gateway.get('Attachments', [{}])[0].get('State')
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gateway_id = gateway.get('EgressOnlyInternetGatewayId')
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if gateway_id and state in ('attached', 'attaching'):
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changed = True
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else:
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# EIGW gave back a bad attachment state or an invalid response so we error out
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module.fail_json(msg='Unable to create and attach Egress Only Internet Gateway to VPCId: {0}. Bad or no state in response'.format(vpc_id),
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**camel_dict_to_snake_dict(response))
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return changed, gateway_id
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def describe_eigws(module, conn, vpc_id):
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"""
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Describe EIGWs.
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module : AnsibleModule object
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conn : boto3 client connection object
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vpc_id : ID of the VPC we are operating on
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"""
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gateway_id = None
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try:
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response = conn.describe_egress_only_internet_gateways()
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except (botocore.exceptions.BotoCoreError, botocore.exceptions.ClientError) as e:
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module.fail_json_aws(e, msg="Could not get list of existing Egress-Only Internet Gateways")
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for eigw in response.get('EgressOnlyInternetGateways', []):
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for attachment in eigw.get('Attachments', []):
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if attachment.get('VpcId') == vpc_id and attachment.get('State') in ('attached', 'attaching'):
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gateway_id = eigw.get('EgressOnlyInternetGatewayId')
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return gateway_id
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def main():
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argument_spec = ec2_argument_spec()
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argument_spec.update(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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))
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module = AnsibleAWSModule(argument_spec=argument_spec, supports_check_mode=True)
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region, ec2_url, aws_connect_params = get_aws_connection_info(module, boto3=True)
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connection = boto3_conn(module, conn_type='client', resource='ec2', region=region, endpoint=ec2_url, **aws_connect_params)
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vpc_id = module.params.get('vpc_id')
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state = module.params.get('state')
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eigw_id = describe_eigws(module, connection, vpc_id)
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result = dict(gateway_id=eigw_id, vpc_id=vpc_id)
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changed = False
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if state == 'present' and not eigw_id:
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changed, result['gateway_id'] = create_eigw(module, connection, vpc_id)
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elif state == 'absent' and eigw_id:
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changed = delete_eigw(module, connection, eigw_id)
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module.exit_json(changed=changed, **result)
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if __name__ == '__main__':
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main()
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