from moto.core.utils import camelcase_to_underscores
from moto.moto_api._internal import mock_random as random
from ._base_response import EC2BaseResponse
class Subnets(EC2BaseResponse):
def create_subnet(self) -> str:
vpc_id = self._get_param("VpcId")
cidr_block = self._get_param("CidrBlock")
ipv6_cidr_block = self._get_param("Ipv6CidrBlock")
availability_zone = self._get_param("AvailabilityZone")
availability_zone_id = self._get_param("AvailabilityZoneId")
tags = self._parse_tag_specification("subnet")
if not availability_zone and not availability_zone_id:
availability_zone = random.choice(
self.ec2_backend.describe_availability_zones()
).name
subnet = self.ec2_backend.create_subnet(
vpc_id,
cidr_block,
ipv6_cidr_block,
availability_zone,
availability_zone_id,
tags=tags,
)
template = self.response_template(CREATE_SUBNET_RESPONSE)
return template.render(subnet=subnet)
def delete_subnet(self) -> str:
subnet_id = self._get_param("SubnetId")
subnet = self.ec2_backend.delete_subnet(subnet_id)
template = self.response_template(DELETE_SUBNET_RESPONSE)
return template.render(subnet=subnet)
def describe_subnets(self) -> str:
self.error_on_dryrun()
subnet_ids = self._get_multi_param("SubnetId")
filters = self._filters_from_querystring()
subnets = self.ec2_backend.describe_subnets(subnet_ids, filters)
template = self.response_template(DESCRIBE_SUBNETS_RESPONSE)
return template.render(subnets=subnets)
def modify_subnet_attribute(self) -> str:
subnet_id = self._get_param("SubnetId")
for attribute in ("MapPublicIpOnLaunch", "AssignIpv6AddressOnCreation"):
if self.querystring.get(f"{attribute}.Value"):
attr_name = camelcase_to_underscores(attribute)
attr_value = self.querystring[f"{attribute}.Value"][0]
self.ec2_backend.modify_subnet_attribute(
subnet_id, attr_name, attr_value
)
return MODIFY_SUBNET_ATTRIBUTE_RESPONSE
return ""
def associate_subnet_cidr_block(self) -> str:
ipv6_cidr_block = self._get_param("Ipv6CidrBlock")
subnet_id = self._get_param("SubnetId")
association = self.ec2_backend.associate_subnet_cidr_block(
subnet_id, ipv6_cidr_block
)
template = self.response_template(ASSOCIATE_SUBNET_CIDR_BLOCK_RESPONSE)
return template.render(subnet_id=subnet_id, association=association)
def disassociate_subnet_cidr_block(self) -> str:
association_id = self._get_param("AssociationId")
subnet_id, association = self.ec2_backend.disassociate_subnet_cidr_block(
association_id
)
template = self.response_template(DISASSOCIATE_SUBNET_CIDR_BLOCK_RESPONSE)
result = template.render(subnet_id=subnet_id, association=association)
return result
CREATE_SUBNET_RESPONSE = """
<CreateSubnetResponse xmlns="http://ec2.amazonaws.com/doc/2013-10-15/">
<requestId>7a62c49f-347e-4fc4-9331-6e8eEXAMPLE</requestId>
<subnet>
<subnetId>{{ subnet.id }}</subnetId>
<state>pending</state>
<vpcId>{{ subnet.vpc_id }}</vpcId>
<cidrBlock>{{ subnet.cidr_block }}</cidrBlock>
<availableIpAddressCount>{{ subnet.available_ip_addresses or '0' }}</availableIpAddressCount>
<availabilityZone>{{ subnet._availability_zone.name }}</availabilityZone>
<availabilityZoneId>{{ subnet._availability_zone.zone_id }}</availabilityZoneId>
<defaultForAz>{{ subnet.default_for_az }}</defaultForAz>
<mapPublicIpOnLaunch>{{ subnet.map_public_ip_on_launch }}</mapPublicIpOnLaunch>
<ownerId>{{ subnet.owner_id }}</ownerId>
<assignIpv6AddressOnCreation>{{ 'false' if not subnet.assign_ipv6_address_on_creation or subnet.assign_ipv6_address_on_creation == 'false' else 'true'}}</assignIpv6AddressOnCreation>
<ipv6CidrBlockAssociationSet>
{% for ipv6_association in subnet.ipv6_cidr_block_associations.values() %}
{% if ipv6_association.ipv6CidrBlockState == "associated" %}
<item>
<ipv6CidrBlock>{{ ipv6_association.ipv6CidrBlock }}</ipv6CidrBlock>
<associationId>{{ ipv6_association.associationId }}</associationId>
<ipv6CidrBlockState>
<state>{{ ipv6_association.ipv6CidrBlockState }}</state>
</ipv6CidrBlockState>
</item>
{% endif %}
{% endfor %}
</ipv6CidrBlockAssociationSet>
<ipv6Native>{{ 'false' if not subnet.ipv6_native else 'true' }}</ipv6Native>
<subnetArn>arn:aws:ec2:{{ subnet._availability_zone.name[0:-1] }}:{{ subnet.owner_id }}:subnet/{{ subnet.id }}</subnetArn>
<tagSet>
{% for tag in subnet.get_tags() %}
<item>
<resourceId>{{ tag.resource_id }}</resourceId>
<resourceType>{{ tag.resource_type }}</resourceType>
<key>{{ tag.key }}</key>
<value>{{ tag.value }}</value>
</item>
{% endfor %}
</tagSet>
</subnet>
</CreateSubnetResponse>"""
DELETE_SUBNET_RESPONSE = """
<DeleteSubnetResponse xmlns="http://ec2.amazonaws.com/doc/2013-10-15/">
<requestId>7a62c49f-347e-4fc4-9331-6e8eEXAMPLE</requestId>
<return>true</return>
</DeleteSubnetResponse>"""
DESCRIBE_SUBNETS_RESPONSE = """
<DescribeSubnetsResponse xmlns="http://ec2.amazonaws.com/doc/2013-10-15/">
<requestId>7a62c49f-347e-4fc4-9331-6e8eEXAMPLE</requestId>
<subnetSet>
{% for subnet in subnets %}
<item>
<subnetId>{{ subnet.id }}</subnetId>
<state>{{ subnet.state }}</state>
<vpcId>{{ subnet.vpc_id }}</vpcId>
<cidrBlock>{{ subnet.cidr_block }}</cidrBlock>
<availableIpAddressCount>{{ subnet.available_ip_addresses or '0' }}</availableIpAddressCount>
<availabilityZone>{{ subnet._availability_zone.name }}</availabilityZone>
<availabilityZoneId>{{ subnet._availability_zone.zone_id }}</availabilityZoneId>
<defaultForAz>{{ subnet.default_for_az }}</defaultForAz>
<mapPublicIpOnLaunch>{{ subnet.map_public_ip_on_launch }}</mapPublicIpOnLaunch>
<ownerId>{{ subnet.owner_id }}</ownerId>
<assignIpv6AddressOnCreation>{{ 'false' if not subnet.assign_ipv6_address_on_creation or subnet.assign_ipv6_address_on_creation == 'false' else 'true'}}</assignIpv6AddressOnCreation>
<ipv6CidrBlockAssociationSet>
{% for ipv6_association in subnet.ipv6_cidr_block_associations.values() %}
{% if ipv6_association.ipv6CidrBlockState == "associated" %}
<item>
<ipv6CidrBlock>{{ ipv6_association.ipv6CidrBlock }}</ipv6CidrBlock>
<associationId>{{ ipv6_association.associationId }}</associationId>
<ipv6CidrBlockState>
<state>{{ ipv6_association.ipv6CidrBlockState }}</state>
</ipv6CidrBlockState>
</item>
{% endif %}
{% endfor %}
</ipv6CidrBlockAssociationSet>
<subnetArn>arn:aws:ec2:{{ subnet._availability_zone.name[0:-1] }}:{{ subnet.owner_id }}:subnet/{{ subnet.id }}</subnetArn>
<ipv6Native>{{ 'false' if not subnet.ipv6_native else 'true' }}</ipv6Native>
{% if subnet.get_tags() %}
<tagSet>
{% for tag in subnet.get_tags() %}
<item>
<resourceId>{{ tag.resource_id }}</resourceId>
<resourceType>{{ tag.resource_type }}</resourceType>
<key>{{ tag.key }}</key>
<value>{{ tag.value }}</value>
</item>
{% endfor %}
</tagSet>
{% endif %}
</item>
{% endfor %}
</subnetSet>
</DescribeSubnetsResponse>"""
MODIFY_SUBNET_ATTRIBUTE_RESPONSE = """
<ModifySubnetAttributeResponse xmlns="http://ec2.amazonaws.com/doc/2013-10-15/">
<requestId>7a62c49f-347e-4fc4-9331-6e8eEXAMPLE</requestId>
<return>true</return>
</ModifySubnetAttributeResponse>"""
ASSOCIATE_SUBNET_CIDR_BLOCK_RESPONSE = """
<AssociateSubnetCidrBlock xmlns="http://ec2.amazonaws.com/doc/2016-11-15/">
<requestId>59dbff89-35bd-4eac-99ed-be587EXAMPLE</requestId>
<subnetId>{{ subnet_id }}</subnetId>
<ipv6CidrBlockAssociation>
<ipv6CidrBlock>{{ association.ipv6CidrBlock }}</ipv6CidrBlock>
<ipv6CidrBlockState>
<state>{{ association.ipv6CidrBlockState }}</state>
</ipv6CidrBlockState>
<associationId>{{ association.associationId }}</associationId>
</ipv6CidrBlockAssociation>
</AssociateSubnetCidrBlock>
"""
DISASSOCIATE_SUBNET_CIDR_BLOCK_RESPONSE = """
<DisassociateSubnetCidrBlockResponse xmlns="http://ec2.amazonaws.com/doc/2016-11-15/">
<requestId>59dbff89-35bd-4eac-99ed-be587EXAMPLE</requestId>
<subnetId>{{ subnet_id }}</subnetId>
<ipv6CidrBlockAssociation>
<ipv6CidrBlock>{{ association.ipv6CidrBlock }}</ipv6CidrBlock>
<ipv6CidrBlockState>
<state>{{ association.ipv6CidrBlockState }}</state>
</ipv6CidrBlockState>
<associationId>{{ association.associationId }}</associationId>
</ipv6CidrBlockAssociation>
</DisassociateSubnetCidrBlockResponse>
"""