mirror of https://github.com/ansible/ansible.git
New AWS module for managing ec2 VPC virtual gateways
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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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module: ec2_vpc_vgw
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short_description: Create and delete AWS VPN Virtual Gateways.
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description:
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- Creates AWS VPN Virtual Gateways
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- Deletes AWS VPN Virtual Gateways
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- Attaches Virtual Gateways to VPCs
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- Detaches Virtual Gateways from VPCs
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version_added: "2.1"
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requirements: [ boto3 ]
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options:
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state:
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description:
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- present to ensure resource is created.
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- absent to remove resource
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required: false
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default: present
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choices: [ "present", "absent"]
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name:
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description:
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- name of the vgw to be created or deleted
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required:
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- true when combined with a state of 'present'
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- false when combined with a state of 'absent'
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type:
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description:
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- type of the virtual gateway to be created
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required:
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- true when combined with a state of 'present'
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- false when combined with a state of 'absent'
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vpn_gateway_id:
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description:
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- vpn gateway id of an existing virtual gateway
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required: false
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vpc_id:
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description:
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- the vpc-id of a vpc to attach or detach
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required: false
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wait_timeout:
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description:
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- number of seconds to wait for status during vpc attach and detach
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required: false
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default: 320
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tags:
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description:
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- dictionary of resource tags of the form: { tag1: value1, tag2: value2 }
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required: false
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author: Nick Aslanidis (@naslanidis)
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extends_documentation_fragment: aws
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'''
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EXAMPLES = '''
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- name: Create a new vgw attached to a specific VPC
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ec2_vpc_vgw:
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state: present
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region: ap-southeast-2
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profile: personal
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vpc_id: vpc-12345678
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name: personal-testing
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type: ipsec.1
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register: created_vgw
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- name: Create a new unattached vgw
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ec2_vpc_vgw:
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state: present
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region: ap-southeast-2
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profile: personal
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name: personal-testing
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type: ipsec.1
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tags:
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environment: production
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owner: ABC
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register: created_vgw
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- name: Remove a new vgw using the name
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ec2_vpc_vgw:
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state: absent
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region: ap-southeast-2
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profile: personal
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name: personal-testing
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type: ipsec.1
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register: deleted_vgw
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- name: Remove a new vgw using the vpn_gateway_id
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ec2_vpc_vgw:
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state: absent
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region: ap-southeast-2
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profile: personal
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vpn_gateway_id: vgw-3a9aa123
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register: deleted_vgw
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'''
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try:
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import json
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import time
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import botocore
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import boto3
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HAS_BOTO3 = True
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except ImportError:
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HAS_BOTO3 = False
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def wait_for_status(client, module, vpn_gateway_id, status):
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polling_increment_secs = 15
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max_retries = (module.params.get('wait_timeout') / polling_increment_secs)
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status_achieved = False
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for x in range(0, max_retries):
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try:
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response = find_vgw(client, module, vpn_gateway_id)
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if response[0]['VpcAttachments'][0]['State'] == status:
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status_achieved = True
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break
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else:
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time.sleep(polling_increment_secs)
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except botocore.exceptions.ClientError as e:
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module.fail_json(msg=str(e))
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result = response
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return status_achieved, result
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def attach_vgw(client, module, vpn_gateway_id):
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params = dict()
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params['VpcId'] = module.params.get('vpc_id')
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try:
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response = client.attach_vpn_gateway(VpnGatewayId=vpn_gateway_id, VpcId=params['VpcId'])
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except botocore.exceptions.ClientError as e:
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module.fail_json(msg=str(e))
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status_achieved, vgw = wait_for_status(client, module, [vpn_gateway_id], 'attached')
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if not status_achieved:
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module.fail_json(msg='Error waiting for vpc to attach to vgw - please check the AWS console')
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result = response
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return result
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def detach_vgw(client, module, vpn_gateway_id, vpc_id=None):
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params = dict()
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params['VpcId'] = module.params.get('vpc_id')
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if vpc_id:
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try:
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response = client.detach_vpn_gateway(VpnGatewayId=vpn_gateway_id, VpcId=vpc_id)
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except botocore.exceptions.ClientError as e:
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module.fail_json(msg=str(e))
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else:
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try:
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response = client.detach_vpn_gateway(VpnGatewayId=vpn_gateway_id, VpcId=params['VpcId'])
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except botocore.exceptions.ClientError as e:
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module.fail_json(msg=str(e))
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status_achieved, vgw = wait_for_status(client, module, [vpn_gateway_id], 'detached')
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if not status_achieved:
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module.fail_json(msg='Error waiting for vpc to detach from vgw - please check the AWS console')
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result = response
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return result
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def create_vgw(client, module):
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params = dict()
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params['Type'] = module.params.get('type')
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try:
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response = client.create_vpn_gateway(Type=params['Type'])
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except botocore.exceptions.ClientError as e:
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module.fail_json(msg=str(e))
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result = response
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return result
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def delete_vgw(client, module, vpn_gateway_id):
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try:
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response = client.delete_vpn_gateway(VpnGatewayId=vpn_gateway_id)
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except botocore.exceptions.ClientError as e:
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module.fail_json(msg=str(e))
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#return the deleted VpnGatewayId as this is not included in the above response
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result = vpn_gateway_id
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return result
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def create_tags(client, module, vpn_gateway_id):
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params = dict()
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try:
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response = client.create_tags(Resources=[vpn_gateway_id],Tags=load_tags(module))
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except botocore.exceptions.ClientError as e:
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module.fail_json(msg=str(e))
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result = response
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return result
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def delete_tags(client, module, vpn_gateway_id, tags_to_delete=None):
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params = dict()
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if tags_to_delete:
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try:
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response = client.delete_tags(Resources=[vpn_gateway_id], Tags=tags_to_delete)
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except botocore.exceptions.ClientError as e:
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module.fail_json(msg=str(e))
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else:
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try:
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response = client.delete_tags(Resources=[vpn_gateway_id])
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except botocore.exceptions.ClientError as e:
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module.fail_json(msg=str(e))
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result = response
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return result
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def load_tags(module):
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tags = []
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if module.params.get('tags'):
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for name, value in module.params.get('tags').iteritems():
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tags.append({'Key': name, 'Value': str(value)})
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tags.append({'Key': "Name", 'Value': module.params.get('name')})
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else:
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tags.append({'Key': "Name", 'Value': module.params.get('name')})
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return tags
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def find_tags(client, module, resource_id=None):
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if resource_id:
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try:
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response = client.describe_tags(Filters=[
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{'Name': 'resource-id', 'Values': [resource_id]}
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])
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except botocore.exceptions.ClientError as e:
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module.fail_json(msg=str(e))
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result = response
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return result
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def check_tags(client, module, existing_vgw, vpn_gateway_id):
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params = dict()
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params['Tags'] = module.params.get('tags')
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vgw = existing_vgw
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changed = False
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tags_list = {}
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#format tags for comparison
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for tags in existing_vgw[0]['Tags']:
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if tags['Key'] != 'Name':
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tags_list[tags['Key']] = tags['Value']
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# if existing tags don't match the tags arg, delete existing and recreate with new list
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if params['Tags'] != None and tags_list != params['Tags']:
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delete_tags(client, module, vpn_gateway_id)
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create_tags(client, module, vpn_gateway_id)
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vgw = find_vgw(client, module)
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changed = True
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#if no tag args are supplied, delete any existing tags with the exception of the name tag
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if params['Tags'] == None and tags_list != {}:
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tags_to_delete = []
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for tags in existing_vgw[0]['Tags']:
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if tags['Key'] != 'Name':
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tags_to_delete.append(tags)
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delete_tags(client, module, vpn_gateway_id, tags_to_delete)
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vgw = find_vgw(client, module)
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changed = True
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return vgw, changed
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def find_vpc(client, module):
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params = dict()
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params['vpc_id'] = module.params.get('vpc_id')
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if params['vpc_id']:
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try:
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response = client.describe_vpcs(VpcIds=[params['vpc_id']])
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except botocore.exceptions.ClientError as e:
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module.fail_json(msg=str(e))
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result = response
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return result
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def find_vgw(client, module, vpn_gateway_id=None):
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params = dict()
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params['Name'] = module.params.get('name')
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params['Type'] = module.params.get('type')
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params['State'] = module.params.get('state')
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if params['State'] == 'present':
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try:
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response = client.describe_vpn_gateways(Filters=[
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{'Name': 'type', 'Values': [params['Type']]},
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{'Name': 'tag:Name', 'Values': [params['Name']]}
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])
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except botocore.exceptions.ClientError as e:
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module.fail_json(msg=str(e))
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else:
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if vpn_gateway_id:
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try:
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response = client.describe_vpn_gateways(VpnGatewayIds=vpn_gateway_id)
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except botocore.exceptions.ClientError as e:
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module.fail_json(msg=str(e))
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else:
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try:
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response = client.describe_vpn_gateways(Filters=[
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{'Name': 'type', 'Values': [params['Type']]},
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{'Name': 'tag:Name', 'Values': [params['Name']]}
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])
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except botocore.exceptions.ClientError as e:
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module.fail_json(msg=str(e))
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result = response['VpnGateways']
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return result
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def ensure_vgw_present(client, module):
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# If an existing vgw name and type matches our args, then a match is considered to have been
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# found and we will not create another vgw.
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changed = False
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params = dict()
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result = dict()
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params['Name'] = module.params.get('name')
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params['VpcId'] = module.params.get('vpc_id')
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params['Type'] = module.params.get('type')
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params['Tags'] = module.params.get('tags')
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params['VpnGatewayIds'] = module.params.get('vpn_gateway_id')
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# Check that a name argument has been supplied.
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if not module.params.get('name'):
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module.fail_json(msg='A name is required when a status of \'present\' is suppled')
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# check if a gateway matching our module args already exists
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existing_vgw = find_vgw(client, module)
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if existing_vgw != [] and existing_vgw[0]['State'] != 'deleted':
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vpn_gateway_id = existing_vgw[0]['VpnGatewayId']
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vgw, changed = check_tags(client, module, existing_vgw, vpn_gateway_id)
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if not changed:
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# if a vpc_id was provided, check if it exists and if it's attached
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if params['VpcId']:
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# check that the vpc_id exists. If not, an exception is thrown
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vpc = find_vpc(client, module)
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current_vpc_attachments = existing_vgw[0]['VpcAttachments']
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if current_vpc_attachments != [] and current_vpc_attachments[0]['State'] == 'attached':
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if current_vpc_attachments[0]['VpcId'] == params['VpcId'] and current_vpc_attachments[0]['State'] == 'attached':
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changed = False
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else:
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# detach the existing vpc from the virtual gateway
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vpc_to_detach = current_vpc_attachments[0]['VpcId']
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detach_vgw(client, module, vpn_gateway_id, vpc_to_detach)
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time.sleep(5)
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attached_vgw = attach_vgw(client, module, vpn_gateway_id)
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changed = True
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else:
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# attach the vgw to the supplied vpc
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attached_vgw = attach_vgw(client, module, vpn_gateway_id)
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changed = True
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# if params['VpcId'] is not provided, check the vgw is attached to a vpc. if so, detach it.
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else:
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existing_vgw = find_vgw(client, module, [vpn_gateway_id])
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if existing_vgw[0]['VpcAttachments'] != []:
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if existing_vgw[0]['VpcAttachments'][0]['State'] == 'attached':
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# detach the vpc from the vgw
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vpc_to_detach = existing_vgw[0]['VpcAttachments'][0]['VpcId']
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detach_vgw(client, module, vpn_gateway_id, vpc_to_detach)
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changed = True
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vgw = find_vgw(client, module, [vpn_gateway_id])
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else:
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# create a new vgw
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new_vgw = create_vgw(client, module)
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changed = True
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vpn_gateway_id = new_vgw['VpnGateway']['VpnGatewayId']
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# tag the new virtual gateway
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create_tags(client, module, vpn_gateway_id)
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# return current state of the vgw
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vgw = find_vgw(client, module, [vpn_gateway_id])
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# if a vpc-id was supplied, attempt to attach it to the vgw
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if params['VpcId']:
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attached_vgw = attach_vgw(client, module, vpn_gateway_id)
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changed = True
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vgw = find_vgw(client, module, [vpn_gateway_id])
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result = vgw
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return changed, result
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def ensure_vgw_absent(client, module):
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# If an existing vgw name and type matches our args, then a match is considered to have been
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# found and we will take steps to delete it.
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changed = False
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params = dict()
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result = dict()
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params['Name'] = module.params.get('name')
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params['VpcId'] = module.params.get('vpc_id')
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params['Type'] = module.params.get('type')
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params['Tags'] = module.params.get('tags')
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params['VpnGatewayIds'] = module.params.get('vpn_gateway_id')
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# check if a gateway matching our module args already exists
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if params['VpnGatewayIds']:
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existing_vgw_with_id = find_vgw(client, module, [params['VpnGatewayIds']])
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if existing_vgw_with_id != [] and existing_vgw_with_id[0]['State'] != 'deleted':
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existing_vgw = existing_vgw_with_id
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if existing_vgw[0]['VpcAttachments'] != [] and existing_vgw[0]['VpcAttachments'][0]['State'] == 'attached':
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if params['VpcId']:
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if params['VpcId'] != existing_vgw[0]['VpcAttachments'][0]['VpcId']:
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module.fail_json(msg='The vpc-id provided does not match the vpc-id currently attached - please check the AWS console')
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else:
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# detach the vpc from the vgw
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detach_vgw(client, module, params['VpnGatewayIds'], params['VpcId'])
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deleted_vgw = delete_vgw(client, module, params['VpnGatewayIds'])
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changed = True
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else:
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# attempt to detach any attached vpcs
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vpc_to_detach = existing_vgw[0]['VpcAttachments'][0]['VpcId']
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detach_vgw(client, module, params['VpnGatewayIds'], vpc_to_detach)
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deleted_vgw = delete_vgw(client, module, params['VpnGatewayIds'])
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changed = True
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else:
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# no vpc's are attached so attempt to delete the vgw
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deleted_vgw = delete_vgw(client, module, params['VpnGatewayIds'])
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changed = True
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||||
else:
|
||||
changed = False
|
||||
deleted_vgw = None
|
||||
|
||||
else:
|
||||
#Check that a name and type argument has been supplied if no vgw-id
|
||||
if not module.params.get('name') or not module.params.get('type'):
|
||||
module.fail_json(msg='A name and type is required when no vgw-id and a status of \'absent\' is suppled')
|
||||
|
||||
existing_vgw = find_vgw(client, module)
|
||||
if existing_vgw != [] and existing_vgw[0]['State'] != 'deleted':
|
||||
vpn_gateway_id = existing_vgw[0]['VpnGatewayId']
|
||||
if existing_vgw[0]['VpcAttachments'] != [] and existing_vgw[0]['VpcAttachments'][0]['State'] == 'attached':
|
||||
if params['VpcId']:
|
||||
if params['VpcId'] != existing_vgw[0]['VpcAttachments'][0]['VpcId']:
|
||||
module.fail_json(msg='The vpc-id provided does not match the vpc-id currently attached - please check the AWS console')
|
||||
|
||||
else:
|
||||
# detach the vpc from the vgw
|
||||
detach_vgw(client, module, vpn_gateway_id, params['VpcId'])
|
||||
|
||||
#now that the vpc has been detached, delete the vgw
|
||||
deleted_vgw = delete_vgw(client, module, vpn_gateway_id)
|
||||
changed = True
|
||||
|
||||
else:
|
||||
# attempt to detach any attached vpcs
|
||||
vpc_to_detach = existing_vgw[0]['VpcAttachments'][0]['VpcId']
|
||||
detach_vgw(client, module, vpn_gateway_id, vpc_to_detach)
|
||||
changed = True
|
||||
|
||||
#now that the vpc has been detached, delete the vgw
|
||||
deleted_vgw = delete_vgw(client, module, vpn_gateway_id)
|
||||
|
||||
else:
|
||||
# no vpc's are attached so attempt to delete the vgw
|
||||
deleted_vgw = delete_vgw(client, module, vpn_gateway_id)
|
||||
changed = True
|
||||
|
||||
else:
|
||||
changed = False
|
||||
deleted_vgw = None
|
||||
|
||||
result = deleted_vgw
|
||||
return changed, result
|
||||
|
||||
|
||||
def main():
|
||||
argument_spec = ec2_argument_spec()
|
||||
argument_spec.update(dict(
|
||||
state=dict(default='present', choices=['present', 'absent']),
|
||||
region=dict(required=True),
|
||||
name=dict(),
|
||||
vpn_gateway_id=dict(),
|
||||
vpc_id=dict(),
|
||||
wait_timeout=dict(type='int', default=320, required=False),
|
||||
type=dict(),
|
||||
tags=dict(),
|
||||
)
|
||||
)
|
||||
module = AnsibleModule(argument_spec=argument_spec)
|
||||
|
||||
if not HAS_BOTO3:
|
||||
module.fail_json(msg='json and boto3 is required.')
|
||||
|
||||
state = module.params.get('state').lower()
|
||||
|
||||
try:
|
||||
region, ec2_url, aws_connect_kwargs = get_aws_connection_info(module, boto3=True)
|
||||
client = boto3_conn(module, conn_type='client', resource='ec2', region=region, endpoint=ec2_url, **aws_connect_kwargs)
|
||||
except botocore.exceptions.NoCredentialsError, e:
|
||||
module.fail_json(msg="Can't authorize connection - "+str(e))
|
||||
|
||||
if state == 'present':
|
||||
(changed, results) = ensure_vgw_present(client, module)
|
||||
else:
|
||||
(changed, results) = ensure_vgw_absent(client, module)
|
||||
module.exit_json(changed=changed, result=results)
|
||||
|
||||
|
||||
# import module snippets
|
||||
from ansible.module_utils.basic import *
|
||||
from ansible.module_utils.ec2 import *
|
||||
|
||||
if __name__ == '__main__':
|
||||
main()
|
Loading…
Reference in New Issue