diff --git a/IMPLEMENTATION_COVERAGE.md b/IMPLEMENTATION_COVERAGE.md
index 2e5f055b9..91a37c00d 100644
--- a/IMPLEMENTATION_COVERAGE.md
+++ b/IMPLEMENTATION_COVERAGE.md
@@ -2217,7 +2217,7 @@
- [X] describe_volumes
- [ ] describe_volumes_modifications
- [X] describe_vpc_attribute
-- [ ] describe_vpc_classic_link
+- [X] describe_vpc_classic_link
- [ ] describe_vpc_classic_link_dns_support
- [ ] describe_vpc_endpoint_connection_notifications
- [ ] describe_vpc_endpoint_connections
@@ -2237,7 +2237,7 @@
- [ ] disable_ebs_encryption_by_default
- [ ] disable_transit_gateway_route_table_propagation
- [ ] disable_vgw_route_propagation
-- [ ] disable_vpc_classic_link
+- [X] disable_vpc_classic_link
- [ ] disable_vpc_classic_link_dns_support
- [X] disassociate_address
- [ ] disassociate_client_vpn_target_network
@@ -2250,7 +2250,7 @@
- [ ] enable_transit_gateway_route_table_propagation
- [ ] enable_vgw_route_propagation
- [ ] enable_volume_io
-- [ ] enable_vpc_classic_link
+- [X] enable_vpc_classic_link
- [ ] enable_vpc_classic_link_dns_support
- [ ] export_client_vpn_client_certificate_revocation_list
- [ ] export_client_vpn_client_configuration
diff --git a/moto/ec2/models.py b/moto/ec2/models.py
index efbbeb6fe..ffe801f4c 100644
--- a/moto/ec2/models.py
+++ b/moto/ec2/models.py
@@ -2433,8 +2433,8 @@ class VPC(TaggedEC2Resource):
self.dhcp_options = None
self.state = "available"
self.instance_tenancy = instance_tenancy
- self.is_default = "true" if is_default else "false"
- self.enable_dns_support = "true"
+ self.is_default = 'true' if is_default else 'false'
+ self.enable_dns_support = 'true'
# This attribute is set to 'true' only for default VPCs
# or VPCs created using the wizard of the VPC console
self.enable_dns_hostnames = "true" if is_default else "false"
@@ -2531,6 +2531,21 @@ class VPC(TaggedEC2Resource):
self.cidr_block_association_set[association_id] = association_set
return association_set
+ def enable_vpc_classic_link(self):
+ # Check if current cidr block doesn't fall within the 10.0.0.0/8 block, excluding 10.0.0.0/16 and 10.1.0.0/16.
+ # Doesn't check any route tables, maybe something for in the future?
+ # See https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/vpc-classiclink.html#classiclink-limitations
+ network_address = ipaddress.ip_network(self.cidr_block).network_address
+ if network_address not in ipaddress.ip_network('10.0.0.0/8') or network_address in ipaddress.ip_network(
+ '10.0.0.0/16') or network_address in ipaddress.ip_network('10.1.0.0/16'):
+ self.classic_link_enabled = "true"
+
+ return self.classic_link_enabled
+
+ def disable_vpc_classic_link(self):
+ self.classic_link_enabled = "false"
+ return self.classic_link_enabled
+
def disassociate_vpc_cidr_block(self, association_id):
if self.cidr_block == self.cidr_block_association_set.get(
association_id, {}
@@ -2661,6 +2676,14 @@ class VPCBackend(object):
else:
raise InvalidParameterValueError(attr_name)
+ def enable_vpc_classic_link(self, vpc_id):
+ vpc = self.get_vpc(vpc_id)
+ return vpc.enable_vpc_classic_link()
+
+ def disable_vpc_classic_link(self, vpc_id):
+ vpc = self.get_vpc(vpc_id)
+ return vpc.disable_vpc_classic_link()
+
def modify_vpc_attribute(self, vpc_id, attr_name, attr_value):
vpc = self.get_vpc(vpc_id)
if attr_name in ("enable_dns_support", "enable_dns_hostnames"):
diff --git a/moto/ec2/responses/vpcs.py b/moto/ec2/responses/vpcs.py
index 1773e4cc8..3cac2a6a1 100644
--- a/moto/ec2/responses/vpcs.py
+++ b/moto/ec2/responses/vpcs.py
@@ -50,6 +50,28 @@ class VPCs(BaseResponse):
template = self.response_template(DESCRIBE_VPC_ATTRIBUTE_RESPONSE)
return template.render(vpc_id=vpc_id, attribute=attribute, value=value)
+ def describe_vpc_classic_link(self):
+ vpc_ids = self._get_multi_param('VpcId')
+ filters = filters_from_querystring(self.querystring)
+ vpcs = self.ec2_backend.get_all_vpcs(vpc_ids=vpc_ids, filters=filters)
+ doc_date = '2013-10-15' if 'Boto/' in self.headers.get('user-agent', '') else '2016-11-15'
+ template = self.response_template(DESCRIBE_VPC_CLASSIC_LINK_RESPONSE)
+ return template.render(vpcs=vpcs, doc_date=doc_date)
+
+ def enable_vpc_classic_link(self):
+ vpc_id = self._get_param('VpcId')
+ classic_link_enabled = self.ec2_backend.enable_vpc_classic_link(vpc_id=vpc_id)
+ doc_date = '2013-10-15' if 'Boto/' in self.headers.get('user-agent', '') else '2016-11-15'
+ template = self.response_template(ENABLE_VPC_CLASSIC_LINK_RESPONSE)
+ return template.render(classic_link_enabled=classic_link_enabled, doc_date=doc_date)
+
+ def disable_vpc_classic_link(self):
+ vpc_id = self._get_param('VpcId')
+ classic_link_enabled = self.ec2_backend.disable_vpc_classic_link(vpc_id=vpc_id)
+ doc_date = '2013-10-15' if 'Boto/' in self.headers.get('user-agent', '') else '2016-11-15'
+ template = self.response_template(DISABLE_VPC_CLASSIC_LINK_RESPONSE)
+ return template.render(classic_link_enabled=classic_link_enabled, doc_date=doc_date)
+
def modify_vpc_attribute(self):
vpc_id = self._get_param("VpcId")
@@ -149,6 +171,31 @@ CREATE_VPC_RESPONSE = """
"""
+DESCRIBE_VPC_CLASSIC_LINK_RESPONSE = """
+
+ 7a62c442-3484-4f42-9342-6942EXAMPLE
+
+ {% for vpc in vpcs %}
+ -
+ {{ vpc.id }}
+ {{ vpc.classic_link_enabled }}
+
+ {% endfor %}
+
+"""
+
+ENABLE_VPC_CLASSIC_LINK_RESPONSE = """
+
+ 7a62c442-3484-4f42-9342-6942EXAMPLE
+ {{ classic_link_enabled }}
+"""
+
+DISABLE_VPC_CLASSIC_LINK_RESPONSE = """
+
+ 7a62c442-3484-4f42-9342-6942EXAMPLE
+ {{ classic_link_enabled }}
+"""
+
DESCRIBE_VPCS_RESPONSE = """
7a62c442-3484-4f42-9342-6942EXAMPLE
diff --git a/tests/test_ec2/test_vpcs.py b/tests/test_ec2/test_vpcs.py
index 0894a8b8e..c7a3a940a 100644
--- a/tests/test_ec2/test_vpcs.py
+++ b/tests/test_ec2/test_vpcs.py
@@ -676,5 +676,73 @@ def test_create_vpc_with_invalid_cidr_range():
vpc = ec2.create_vpc(CidrBlock=vpc_cidr_block)
str(ex.exception).should.equal(
"An error occurred (InvalidVpc.Range) when calling the CreateVpc "
- "operation: The CIDR '{}' is invalid.".format(vpc_cidr_block)
- )
+ "operation: The CIDR '{}' is invalid.".format(vpc_cidr_block))
+
+@mock_ec2
+def test_enable_vpc_classic_link():
+ ec2 = boto3.resource('ec2', region_name='us-west-1')
+
+ # Create VPC
+ vpc = ec2.create_vpc(CidrBlock='10.1.0.0/16')
+
+ response = ec2.meta.client.enable_vpc_classic_link(VpcId=vpc.id)
+ assert response.get('Return').should.be.true
+
+@mock_ec2
+def test_enable_vpc_classic_link_failure():
+ ec2 = boto3.resource('ec2', region_name='us-west-1')
+
+ # Create VPC
+ vpc = ec2.create_vpc(CidrBlock='10.90.0.0/16')
+
+ response = ec2.meta.client.enable_vpc_classic_link(VpcId=vpc.id)
+ assert response.get('Return').should.be.false
+
+
+@mock_ec2
+def test_disable_vpc_classic_link():
+ ec2 = boto3.resource('ec2', region_name='us-west-1')
+
+ # Create VPC
+ vpc = ec2.create_vpc(CidrBlock='10.0.0.0/16')
+
+ ec2.meta.client.enable_vpc_classic_link(VpcId=vpc.id)
+ response = ec2.meta.client.disable_vpc_classic_link(VpcId=vpc.id)
+ assert response.get('Return').should.be.false
+
+
+@mock_ec2
+def test_describe_classic_link_enabled():
+ ec2 = boto3.resource('ec2', region_name='us-west-1')
+
+ # Create VPC
+ vpc = ec2.create_vpc(CidrBlock='10.0.0.0/16')
+
+ ec2.meta.client.enable_vpc_classic_link(VpcId=vpc.id)
+ response = ec2.meta.client.describe_vpc_classic_link(VpcIds=[vpc.id])
+ assert response.get('Vpcs')[0].get('ClassicLinkEnabled').should.be.true
+
+
+@mock_ec2
+def test_describe_classic_link_disabled():
+ ec2 = boto3.resource('ec2', region_name='us-west-1')
+
+ # Create VPC
+ vpc = ec2.create_vpc(CidrBlock='10.90.0.0/16')
+
+ response = ec2.meta.client.describe_vpc_classic_link(VpcIds=[vpc.id])
+ assert response.get('Vpcs')[0].get('ClassicLinkEnabled').should.be.false
+
+
+@mock_ec2
+def test_describe_classic_link_multiple():
+ ec2 = boto3.resource('ec2', region_name='us-west-1')
+
+ # Create VPC
+ vpc1 = ec2.create_vpc(CidrBlock='10.90.0.0/16')
+ vpc2 = ec2.create_vpc(CidrBlock='10.0.0.0/16')
+
+ ec2.meta.client.enable_vpc_classic_link(VpcId=vpc2.id)
+ response = ec2.meta.client.describe_vpc_classic_link(VpcIds=[vpc1.id, vpc2.id])
+ assert response.get('Vpcs')[0].get('ClassicLinkEnabled').should.be.false
+ assert response.get('Vpcs')[1].get('ClassicLinkEnabled').should.be.true