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community.general/lib/ansible/modules/cloud/amazon/ec2_vpc_route_table.py

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#!/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/>.
ANSIBLE_METADATA = {'metadata_version': '1.1',
'status': ['stableinterface'],
'supported_by': 'certified'}
DOCUMENTATION = '''
---
module: ec2_vpc_route_table
short_description: Manage route tables for AWS virtual private clouds
description:
- Manage route tables for AWS virtual private clouds
version_added: "2.0"
author:
- Robert Estelle (@erydo)
- Rob White (@wimnat)
- Will Thames (@willthames)
options:
lookup:
description: Look up route table by either tags or by route table ID. Non-unique tag lookup will fail.
If no tags are specified then no lookup for an existing route table is performed and a new
route table will be created. To change tags of a route table you must look up by id.
default: tag
choices: [ 'tag', 'id' ]
propagating_vgw_ids:
description: Enable route propagation from virtual gateways specified by ID.
purge_routes:
version_added: "2.3"
description: Purge existing routes that are not found in routes.
type: bool
default: 'yes'
purge_subnets:
version_added: "2.3"
description: Purge existing subnets that are not found in subnets. Ignored unless the subnets option is supplied.
default: 'true'
purge_tags:
version_added: "2.5"
description: Purge existing tags that are not found in route table
type: bool
default: 'no'
route_table_id:
description: The ID of the route table to update or delete.
routes:
description: List of routes in the route table.
Routes are specified as dicts containing the keys 'dest' and one of 'gateway_id',
'instance_id', 'network_interface_id', or 'vpc_peering_connection_id'.
If 'gateway_id' is specified, you can refer to the VPC's IGW by using the value 'igw'.
Routes are required for present states.
state:
description: Create or destroy the VPC route table
default: present
choices: [ 'present', 'absent' ]
subnets:
description: An array of subnets to add to this route table. Subnets may be specified
by either subnet ID, Name tag, or by a CIDR such as '10.0.0.0/24'.
tags:
description: >
A dictionary of resource tags of the form: { tag1: value1, tag2: value2 }. Tags are
used to uniquely identify route tables within a VPC when the route_table_id is not supplied.
aliases: [ "resource_tags" ]
vpc_id:
description: VPC ID of the VPC in which to create the route table.
required: true
extends_documentation_fragment:
- aws
- ec2
'''
EXAMPLES = '''
# Note: These examples do not set authentication details, see the AWS Guide for details.
# Basic creation example:
- name: Set up public subnet route table
ec2_vpc_route_table:
vpc_id: vpc-1245678
region: us-west-1
tags:
Name: Public
subnets:
- "{{ jumpbox_subnet.subnet.id }}"
- "{{ frontend_subnet.subnet.id }}"
- "{{ vpn_subnet.subnet_id }}"
routes:
- dest: 0.0.0.0/0
gateway_id: "{{ igw.gateway_id }}"
register: public_route_table
- name: Set up NAT-protected route table
ec2_vpc_route_table:
vpc_id: vpc-1245678
region: us-west-1
tags:
Name: Internal
subnets:
- "{{ application_subnet.subnet.id }}"
- 'Database Subnet'
- '10.0.0.0/8'
routes:
- dest: 0.0.0.0/0
instance_id: "{{ nat.instance_id }}"
register: nat_route_table
- name: delete route table
ec2_vpc_route_table:
vpc_id: vpc-1245678
region: us-west-1
route_table_id: "{{ route_table.id }}"
lookup: id
state: absent
'''
RETURN = '''
route_table:
description: Route Table result
returned: always
type: complex
contains:
associations:
description: List of subnets associated with the route table
returned: always
type: complex
contains:
main:
description: Whether this is the main route table
returned: always
type: bool
sample: false
route_table_association_id:
description: ID of association between route table and subnet
returned: always
type: string
sample: rtbassoc-ab47cfc3
route_table_id:
description: ID of the route table
returned: always
type: string
sample: rtb-bf779ed7
subnet_id:
description: ID of the subnet
returned: always
type: string
sample: subnet-82055af9
id:
description: ID of the route table (same as route_table_id for backwards compatibility)
returned: always
type: string
sample: rtb-bf779ed7
propagating_vgws:
description: List of Virtual Private Gateways propagating routes
returned: always
type: list
sample: []
route_table_id:
description: ID of the route table
returned: always
type: string
sample: rtb-bf779ed7
routes:
description: List of routes in the route table
returned: always
type: complex
contains:
destination_cidr_block:
description: CIDR block of destination
returned: always
type: string
sample: 10.228.228.0/22
gateway_id:
description: ID of the gateway
returned: when gateway is local or internet gateway
type: string
sample: local
instance_id:
description: ID of a NAT instance
returned: when the route is via an EC2 instance
type: string
sample: i-abcd123456789
instance_owner_id:
description: AWS account owning the NAT instance
returned: when the route is via an EC2 instance
type: string
sample: 123456789012
nat_gateway_id:
description: ID of the NAT gateway
returned: when the route is via a NAT gateway
type: string
sample: local
origin:
description: mechanism through which the route is in the table
returned: always
type: string
sample: CreateRouteTable
state:
description: state of the route
returned: always
type: string
sample: active
tags:
description: Tags applied to the route table
returned: always
type: dict
sample:
Name: Public route table
Public: 'true'
vpc_id:
description: ID for the VPC in which the route lives
returned: always
type: string
sample: vpc-6e2d2407
'''
import re
from time import sleep
from ansible.module_utils.aws.core import AnsibleAWSModule
from ansible.module_utils.aws.waiters import get_waiter
from ansible.module_utils.ec2 import ec2_argument_spec, boto3_conn, get_aws_connection_info
from ansible.module_utils.ec2 import ansible_dict_to_boto3_filter_list
from ansible.module_utils.ec2 import camel_dict_to_snake_dict, snake_dict_to_camel_dict
from ansible.module_utils.ec2 import ansible_dict_to_boto3_tag_list, boto3_tag_list_to_ansible_dict
from ansible.module_utils.ec2 import compare_aws_tags, AWSRetry
try:
import botocore
except ImportError:
pass # handled by AnsibleAWSModule
CIDR_RE = re.compile(r'^(\d{1,3}\.){3}\d{1,3}/\d{1,2}$')
SUBNET_RE = re.compile(r'^subnet-[A-z0-9]+$')
ROUTE_TABLE_RE = re.compile(r'^rtb-[A-z0-9]+$')
@AWSRetry.exponential_backoff()
def describe_subnets_with_backoff(connection, **params):
return connection.describe_subnets(**params)['Subnets']
def find_subnets(connection, module, vpc_id, identified_subnets):
"""
Finds a list of subnets, each identified either by a raw ID, a unique
'Name' tag, or a CIDR such as 10.0.0.0/8.
Note that this function is duplicated in other ec2 modules, and should
potentially be moved into a shared module_utils
"""
subnet_ids = []
subnet_names = []
subnet_cidrs = []
for subnet in (identified_subnets or []):
if re.match(SUBNET_RE, subnet):
subnet_ids.append(subnet)
elif re.match(CIDR_RE, subnet):
subnet_cidrs.append(subnet)
else:
subnet_names.append(subnet)
subnets_by_id = []
if subnet_ids:
filters = ansible_dict_to_boto3_filter_list({'vpc-id': vpc_id})
try:
subnets_by_id = describe_subnets_with_backoff(connection, SubnetIds=subnet_ids, Filters=filters)
except (botocore.exceptions.ClientError, botocore.exceptions.BotoCoreError) as e:
module.fail_json_aws(e, msg="Couldn't find subnet with id %s" % subnet_ids)
subnets_by_cidr = []
if subnet_cidrs:
filters = ansible_dict_to_boto3_filter_list({'vpc-id': vpc_id, 'cidr': subnet_cidrs})
try:
subnets_by_cidr = describe_subnets_with_backoff(connection, Filters=filters)
except (botocore.exceptions.ClientError, botocore.exceptions.BotoCoreError) as e:
module.fail_json_aws(e, msg="Couldn't find subnet with cidr %s" % subnet_cidrs)
subnets_by_name = []
if subnet_names:
filters = ansible_dict_to_boto3_filter_list({'vpc-id': vpc_id, 'tag:Name': subnet_names})
try:
subnets_by_name = describe_subnets_with_backoff(connection, Filters=filters)
except (botocore.exceptions.ClientError, botocore.exceptions.BotoCoreError) as e:
module.fail_json_aws(e, msg="Couldn't find subnet with names %s" % subnet_names)
for name in subnet_names:
matching_count = len([1 for s in subnets_by_name for t in s.get('Tags', []) if t['Key'] == 'Name' and t['Value'] == name])
if matching_count == 0:
module.fail_json(msg='Subnet named "{0}" does not exist'.format(name))
elif matching_count > 1:
module.fail_json(msg='Multiple subnets named "{0}"'.format(name))
return subnets_by_id + subnets_by_cidr + subnets_by_name
def find_igw(connection, module, vpc_id):
"""
Finds the Internet gateway for the given VPC ID.
"""
filters = ansible_dict_to_boto3_filter_list({'attachment.vpc-id': vpc_id})
try:
igw = connection.describe_internet_gateways(Filters=filters)['InternetGateways']
except (botocore.exceptions.ClientError, botocore.exceptions.BotoCoreError) as e:
module.fail_json_aws(e, msg='No IGW found for VPC {0}'.format(vpc_id))
if len(igw) == 1:
return igw[0]['InternetGatewayId']
elif len(igw) == 0:
module.fail_json(msg='No IGWs found for VPC {0}'.format(vpc_id))
else:
module.fail_json(msg='Multiple IGWs found for VPC {0}'.format(vpc_id))
@AWSRetry.exponential_backoff()
def describe_tags_with_backoff(connection, resource_id):
filters = ansible_dict_to_boto3_filter_list({'resource-id': resource_id})
paginator = connection.get_paginator('describe_tags')
tags = paginator.paginate(Filters=filters).build_full_result()['Tags']
return boto3_tag_list_to_ansible_dict(tags)
def tags_match(match_tags, candidate_tags):
return all((k in candidate_tags and candidate_tags[k] == v
for k, v in match_tags.items()))
def ensure_tags(connection=None, module=None, resource_id=None, tags=None, purge_tags=None, check_mode=None):
try:
cur_tags = describe_tags_with_backoff(connection, resource_id)
except (botocore.exceptions.ClientError, botocore.exceptions.BotoCoreError) as e:
module.fail_json_aws(e, msg='Unable to list tags for VPC')
to_add, to_delete = compare_aws_tags(cur_tags, tags, purge_tags)
if not to_add and not to_delete:
return {'changed': False, 'tags': cur_tags}
if check_mode:
if not purge_tags:
tags = cur_tags.update(tags)
return {'changed': True, 'tags': tags}
if to_delete:
try:
connection.delete_tags(Resources=[resource_id], Tags=[{'Key': k} for k in to_delete])
except (botocore.exceptions.ClientError, botocore.exceptions.BotoCoreError) as e:
module.fail_json_aws(e, msg="Couldn't delete tags")
if to_add:
try:
connection.create_tags(Resources=[resource_id], Tags=ansible_dict_to_boto3_tag_list(to_add))
except (botocore.exceptions.ClientError, botocore.exceptions.BotoCoreError) as e:
module.fail_json_aws(e, msg="Couldn't create tags")
try:
latest_tags = describe_tags_with_backoff(connection, resource_id)
except (botocore.exceptions.ClientError, botocore.exceptions.BotoCoreError) as e:
module.fail_json_aws(e, msg='Unable to list tags for VPC')
return {'changed': True, 'tags': latest_tags}
@AWSRetry.exponential_backoff()
def describe_route_tables_with_backoff(connection, **params):
try:
return connection.describe_route_tables(**params)['RouteTables']
except botocore.exceptions.ClientError as e:
if e.response['Error']['Code'] == 'InvalidRouteTableID.NotFound':
return None
else:
raise
def get_route_table_by_id(connection, module, route_table_id):
route_table = None
try:
route_tables = describe_route_tables_with_backoff(connection, RouteTableIds=[route_table_id])
except (botocore.exceptions.ClientError, botocore.exceptions.BotoCoreError) as e:
module.fail_json_aws(e, msg="Couldn't get route table")
if route_tables:
route_table = route_tables[0]
return route_table
def get_route_table_by_tags(connection, module, vpc_id, tags):
count = 0
route_table = None
filters = ansible_dict_to_boto3_filter_list({'vpc-id': vpc_id})
try:
route_tables = describe_route_tables_with_backoff(connection, Filters=filters)
except (botocore.exceptions.ClientError, botocore.exceptions.BotoCoreError) as e:
module.fail_json_aws(e, msg="Couldn't get route table")
for table in route_tables:
this_tags = describe_tags_with_backoff(connection, table['RouteTableId'])
if tags_match(tags, this_tags):
route_table = table
count += 1
if count > 1:
module.fail_json(msg="Tags provided do not identify a unique route table")
else:
return route_table
def route_spec_matches_route(route_spec, route):
if route_spec.get('GatewayId') and 'nat-' in route_spec['GatewayId']:
route_spec['NatGatewayId'] = route_spec.pop('GatewayId')
if route_spec.get('GatewayId') and 'vpce-' in route_spec['GatewayId']:
if route_spec.get('DestinationCidrBlock', '').startswith('pl-'):
route_spec['DestinationPrefixListId'] = route_spec.pop('DestinationCidrBlock')
return set(route_spec.items()).issubset(route.items())
def route_spec_matches_route_cidr(route_spec, route):
return route_spec['DestinationCidrBlock'] == route.get('DestinationCidrBlock')
def rename_key(d, old_key, new_key):
d[new_key] = d.pop(old_key)
def index_of_matching_route(route_spec, routes_to_match):
for i, route in enumerate(routes_to_match):
if route_spec_matches_route(route_spec, route):
return "exact", i
elif route_spec_matches_route_cidr(route_spec, route):
return "replace", i
def ensure_routes(connection=None, module=None, route_table=None, route_specs=None,
propagating_vgw_ids=None, check_mode=None, purge_routes=None):
routes_to_match = [route for route in route_table['Routes']]
route_specs_to_create = []
route_specs_to_recreate = []
for route_spec in route_specs:
match = index_of_matching_route(route_spec, routes_to_match)
if match is None:
if route_spec.get('DestinationCidrBlock'):
route_specs_to_create.append(route_spec)
else:
module.warn("Skipping creating {0} because it has no destination cidr block. "
"To add VPC endpoints to route tables use the ec2_vpc_endpoint module.".format(route_spec))
else:
if match[0] == "replace":
if route_spec.get('DestinationCidrBlock'):
route_specs_to_recreate.append(route_spec)
else:
module.warn("Skipping recreating route {0} because it has no destination cidr block.".format(route_spec))
del routes_to_match[match[1]]
routes_to_delete = []
if purge_routes:
for r in routes_to_match:
if not r.get('DestinationCidrBlock'):
module.warn("Skipping purging route {0} because it has no destination cidr block. "
"To remove VPC endpoints from route tables use the ec2_vpc_endpoint module.".format(r))
continue
if r['Origin'] == 'CreateRoute':
routes_to_delete.append(r)
changed = bool(routes_to_delete or route_specs_to_create or route_specs_to_recreate)
if changed and not check_mode:
for route in routes_to_delete:
try:
connection.delete_route(RouteTableId=route_table['RouteTableId'], DestinationCidrBlock=route['DestinationCidrBlock'])
except (botocore.exceptions.ClientError, botocore.exceptions.BotoCoreError) as e:
module.fail_json_aws(e, msg="Couldn't delete route")
for route_spec in route_specs_to_recreate:
try:
connection.replace_route(RouteTableId=route_table['RouteTableId'],
**route_spec)
except (botocore.exceptions.ClientError, botocore.exceptions.BotoCoreError) as e:
module.fail_json_aws(e, msg="Couldn't recreate route")
for route_spec in route_specs_to_create:
try:
connection.create_route(RouteTableId=route_table['RouteTableId'],
**route_spec)
except (botocore.exceptions.ClientError, botocore.exceptions.BotoCoreError) as e:
module.fail_json_aws(e, msg="Couldn't create route")
return {'changed': bool(changed)}
def ensure_subnet_association(connection=None, module=None, vpc_id=None, route_table_id=None, subnet_id=None,
check_mode=None):
filters = ansible_dict_to_boto3_filter_list({'association.subnet-id': subnet_id, 'vpc-id': vpc_id})
try:
route_tables = describe_route_tables_with_backoff(connection, Filters=filters)
except (botocore.exceptions.ClientError, botocore.exceptions.BotoCoreError) as e:
module.fail_json_aws(e, msg="Couldn't get route tables")
for route_table in route_tables:
if route_table['RouteTableId'] is None:
continue
for a in route_table['Associations']:
if a['Main']:
continue
if a['SubnetId'] == subnet_id:
if route_table['RouteTableId'] == route_table_id:
return {'changed': False, 'association_id': a['RouteTableAssociationId']}
else:
if check_mode:
return {'changed': True}
try:
connection.disassociate_route_table(AssociationId=a['RouteTableAssociationId'])
except (botocore.exceptions.ClientError, botocore.exceptions.BotoCoreError) as e:
module.fail_json_aws(e, msg="Couldn't disassociate subnet from route table")
try:
association_id = connection.associate_route_table(RouteTableId=route_table_id, SubnetId=subnet_id)
except (botocore.exceptions.ClientError, botocore.exceptions.BotoCoreError) as e:
module.fail_json_aws(e, msg="Couldn't associate subnet with route table")
return {'changed': True, 'association_id': association_id}
def ensure_subnet_associations(connection=None, module=None, route_table=None, subnets=None,
check_mode=None, purge_subnets=None):
current_association_ids = [a['RouteTableAssociationId'] for a in route_table['Associations'] if not a['Main']]
new_association_ids = []
changed = False
for subnet in subnets:
result = ensure_subnet_association(connection=connection, module=module, vpc_id=route_table['VpcId'],
route_table_id=route_table['RouteTableId'], subnet_id=subnet['SubnetId'], check_mode=check_mode)
changed = changed or result['changed']
if changed and check_mode:
return {'changed': True}
new_association_ids.append(result['association_id'])
if purge_subnets:
to_delete = [a_id for a_id in current_association_ids
if a_id not in new_association_ids]
for a_id in to_delete:
changed = True
if not check_mode:
try:
connection.disassociate_route_table(AssociationId=a_id)
except (botocore.exceptions.ClientError, botocore.exceptions.BotoCoreError) as e:
module.fail_json_aws(e, msg="Couldn't disassociate subnet from route table")
return {'changed': changed}
def ensure_propagation(connection=None, module=None, route_table=None, propagating_vgw_ids=None,
check_mode=None):
changed = False
gateways = [gateway['GatewayId'] for gateway in route_table['PropagatingVgws']]
to_add = set(propagating_vgw_ids) - set(gateways)
if to_add:
changed = True
if not check_mode:
for vgw_id in to_add:
try:
connection.enable_vgw_route_propagation(RouteTableId=route_table['RouteTableId'],
GatewayId=vgw_id)
except (botocore.exceptions.ClientError, botocore.exceptions.BotoCoreError) as e:
module.fail_json_aws(e, msg="Couldn't enable route propagation")
return {'changed': changed}
def ensure_route_table_absent(connection, module):
lookup = module.params.get('lookup')
route_table_id = module.params.get('route_table_id')
tags = module.params.get('tags')
vpc_id = module.params.get('vpc_id')
purge_subnets = module.params.get('purge_subnets')
if lookup == 'tag':
if tags is not None:
route_table = get_route_table_by_tags(connection, module, vpc_id, tags)
else:
route_table = None
elif lookup == 'id':
route_table = get_route_table_by_id(connection, module, route_table_id)
if route_table is None:
return {'changed': False}
# disassociate subnets before deleting route table
if not module.check_mode:
ensure_subnet_associations(connection=connection, module=module, route_table=route_table,
subnets=[], check_mode=False, purge_subnets=purge_subnets)
try:
connection.delete_route_table(RouteTableId=route_table['RouteTableId'])
except (botocore.exceptions.ClientError, botocore.exceptions.BotoCoreError) as e:
module.fail_json_aws(e, msg="Error deleting route table")
return {'changed': True}
def get_route_table_info(connection, module, route_table):
result = get_route_table_by_id(connection, module, route_table['RouteTableId'])
try:
result['Tags'] = describe_tags_with_backoff(connection, route_table['RouteTableId'])
except (botocore.exceptions.ClientError, botocore.exceptions.BotoCoreError) as e:
module.fail_json_aws(e, msg="Couldn't get tags for route table")
result = camel_dict_to_snake_dict(result, ignore_list=['Tags'])
# backwards compatibility
result['id'] = result['route_table_id']
return result
def create_route_spec(connection, module, vpc_id):
routes = module.params.get('routes')
for route_spec in routes:
rename_key(route_spec, 'dest', 'destination_cidr_block')
if route_spec.get('gateway_id') and route_spec['gateway_id'].lower() == 'igw':
igw = find_igw(connection, module, vpc_id)
route_spec['gateway_id'] = igw
if route_spec.get('gateway_id') and route_spec['gateway_id'].startswith('nat-'):
rename_key(route_spec, 'gateway_id', 'nat_gateway_id')
return snake_dict_to_camel_dict(routes, capitalize_first=True)
def ensure_route_table_present(connection, module):
lookup = module.params.get('lookup')
propagating_vgw_ids = module.params.get('propagating_vgw_ids')
purge_routes = module.params.get('purge_routes')
purge_subnets = module.params.get('purge_subnets')
purge_tags = module.params.get('purge_tags')
route_table_id = module.params.get('route_table_id')
subnets = module.params.get('subnets')
tags = module.params.get('tags')
vpc_id = module.params.get('vpc_id')
routes = create_route_spec(connection, module, vpc_id)
changed = False
tags_valid = False
if lookup == 'tag':
if tags is not None:
try:
route_table = get_route_table_by_tags(connection, module, vpc_id, tags)
except (botocore.exceptions.ClientError, botocore.exceptions.BotoCoreError) as e:
module.fail_json_aws(e, msg="Error finding route table with lookup 'tag'")
else:
route_table = None
elif lookup == 'id':
try:
route_table = get_route_table_by_id(connection, module, route_table_id)
except (botocore.exceptions.ClientError, botocore.exceptions.BotoCoreError) as e:
module.fail_json_aws(e, msg="Error finding route table with lookup 'id'")
# If no route table returned then create new route table
if route_table is None:
changed = True
if not module.check_mode:
try:
route_table = connection.create_route_table(VpcId=vpc_id)['RouteTable']
# try to wait for route table to be present before moving on
get_waiter(
connection, 'route_table_exists'
).wait(
RouteTableIds=[route_table['RouteTableId']],
)
except (botocore.exceptions.ClientError, botocore.exceptions.BotoCoreError) as e:
module.fail_json_aws(e, msg="Error creating route table")
else:
route_table = {"id": "rtb-xxxxxxxx", "route_table_id": "rtb-xxxxxxxx", "vpc_id": vpc_id}
module.exit_json(changed=changed, route_table=route_table)
if routes is not None:
result = ensure_routes(connection=connection, module=module, route_table=route_table,
route_specs=routes, propagating_vgw_ids=propagating_vgw_ids,
check_mode=module.check_mode, purge_routes=purge_routes)
changed = changed or result['changed']
if propagating_vgw_ids is not None:
result = ensure_propagation(connection=connection, module=module, route_table=route_table,
propagating_vgw_ids=propagating_vgw_ids, check_mode=module.check_mode)
changed = changed or result['changed']
if not tags_valid and tags is not None:
result = ensure_tags(connection=connection, module=module, resource_id=route_table['RouteTableId'], tags=tags,
purge_tags=purge_tags, check_mode=module.check_mode)
route_table['Tags'] = result['tags']
changed = changed or result['changed']
if subnets is not None:
associated_subnets = find_subnets(connection, module, vpc_id, subnets)
result = ensure_subnet_associations(connection=connection, module=module, route_table=route_table,
subnets=associated_subnets, check_mode=module.check_mode,
purge_subnets=purge_subnets)
changed = changed or result['changed']
if changed:
# pause to allow route table routes/subnets/associations to be updated before exiting with final state
sleep(5)
module.exit_json(changed=changed, route_table=get_route_table_info(connection, module, route_table))
def main():
argument_spec = ec2_argument_spec()
argument_spec.update(
dict(
lookup=dict(default='tag', choices=['tag', 'id']),
propagating_vgw_ids=dict(type='list'),
purge_routes=dict(default=True, type='bool'),
purge_subnets=dict(default=True, type='bool'),
purge_tags=dict(default=False, type='bool'),
route_table_id=dict(),
routes=dict(default=[], type='list'),
state=dict(default='present', choices=['present', 'absent']),
subnets=dict(type='list'),
tags=dict(type='dict', aliases=['resource_tags']),
vpc_id=dict()
)
)
module = AnsibleAWSModule(argument_spec=argument_spec,
required_if=[['lookup', 'id', ['route_table_id']],
['lookup', 'tag', ['vpc_id']],
['state', 'present', ['vpc_id']]],
supports_check_mode=True)
region, ec2_url, aws_connect_params = get_aws_connection_info(module, boto3=True)
connection = boto3_conn(module, conn_type='client', resource='ec2',
region=region, endpoint=ec2_url, **aws_connect_params)
state = module.params.get('state')
if state == 'present':
result = ensure_route_table_present(connection, module)
elif state == 'absent':
result = ensure_route_table_absent(connection, module)
module.exit_json(**result)
if __name__ == '__main__':
main()
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