858 lines
		
	
	
		
			31 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			858 lines
		
	
	
		
			31 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| import random
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| 
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| import boto3
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| 
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| import pytest
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| import sure  # noqa # pylint: disable=unused-import
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| from botocore.exceptions import ClientError
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| from moto import mock_ec2, settings
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| from tests import EXAMPLE_AMI_ID
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| from uuid import uuid4
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| from unittest import SkipTest
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| 
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| 
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| @mock_ec2
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| def test_subnets():
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|     ec2 = boto3.resource("ec2", region_name="us-east-1")
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|     client = boto3.client("ec2", region_name="us-east-1")
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|     vpc = ec2.create_vpc(CidrBlock="10.0.0.0/16")
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|     subnet = ec2.create_subnet(VpcId=vpc.id, CidrBlock="10.0.0.0/18")
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| 
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|     ours = client.describe_subnets(SubnetIds=[subnet.id])["Subnets"]
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|     ours.should.have.length_of(1)
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| 
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|     client.delete_subnet(SubnetId=subnet.id)
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| 
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|     with pytest.raises(ClientError) as ex:
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|         client.describe_subnets(SubnetIds=[subnet.id])
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|     err = ex.value.response["Error"]
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|     err["Code"].should.equal("InvalidSubnetID.NotFound")
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| 
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|     with pytest.raises(ClientError) as ex:
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|         client.delete_subnet(SubnetId=subnet.id)
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|     ex.value.response["ResponseMetadata"]["HTTPStatusCode"].should.equal(400)
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|     ex.value.response["ResponseMetadata"].should.have.key("RequestId")
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|     ex.value.response["Error"]["Code"].should.equal("InvalidSubnetID.NotFound")
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| 
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| 
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| @mock_ec2
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| def test_subnet_create_vpc_validation():
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|     ec2 = boto3.resource("ec2", region_name="us-east-1")
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| 
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|     with pytest.raises(ClientError) as ex:
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|         ec2.create_subnet(VpcId="vpc-abcd1234", CidrBlock="10.0.0.0/18")
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|     ex.value.response["ResponseMetadata"]["HTTPStatusCode"].should.equal(400)
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|     ex.value.response["ResponseMetadata"].should.have.key("RequestId")
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|     ex.value.response["Error"]["Code"].should.equal("InvalidVpcID.NotFound")
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| 
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| 
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| @mock_ec2
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| def test_subnet_tagging():
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|     ec2 = boto3.resource("ec2", region_name="us-east-1")
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|     client = boto3.client("ec2", region_name="us-east-1")
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|     vpc = ec2.create_vpc(CidrBlock="10.0.0.0/16")
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|     subnet = ec2.create_subnet(VpcId=vpc.id, CidrBlock="10.0.0.0/18")
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| 
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|     subnet.create_tags(Tags=[{"Key": "a key", "Value": "some value"}])
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| 
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|     tag = client.describe_tags(
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|         Filters=[{"Name": "resource-id", "Values": [subnet.id]}]
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|     )["Tags"][0]
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|     tag["Key"].should.equal("a key")
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|     tag["Value"].should.equal("some value")
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| 
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|     # Refresh the subnet
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|     subnet = client.describe_subnets(SubnetIds=[subnet.id])["Subnets"][0]
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|     subnet["Tags"].should.equal([{"Key": "a key", "Value": "some value"}])
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| 
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| 
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| @mock_ec2
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| def test_subnet_should_have_proper_availability_zone_set():
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|     ec2 = boto3.resource("ec2", region_name="us-west-1")
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|     vpcA = ec2.create_vpc(CidrBlock="10.0.0.0/16")
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|     subnetA = ec2.create_subnet(
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|         VpcId=vpcA.id, CidrBlock="10.0.0.0/24", AvailabilityZone="us-west-1b"
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|     )
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|     subnetA.availability_zone.should.equal("us-west-1b")
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| 
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| 
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| @mock_ec2
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| def test_availability_zone_in_create_subnet():
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|     ec2 = boto3.resource("ec2", region_name="us-west-1")
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| 
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|     vpc = ec2.create_vpc(CidrBlock="172.31.0.0/16")
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| 
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|     subnet = ec2.create_subnet(
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|         VpcId=vpc.id, CidrBlock="172.31.48.0/20", AvailabilityZoneId="use1-az6"
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|     )
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|     subnet.availability_zone_id.should.equal("use1-az6")
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| 
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| 
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| @mock_ec2
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| def test_default_subnet():
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|     if settings.TEST_SERVER_MODE:
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|         raise SkipTest("ServerMode will have conflicting CidrBlocks")
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|     ec2 = boto3.resource("ec2", region_name="us-west-1")
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| 
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|     default_vpc = list(ec2.vpcs.all())[0]
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|     default_vpc.cidr_block.should.equal("172.31.0.0/16")
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|     default_vpc.reload()
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|     default_vpc.is_default.should.equal(True)
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| 
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|     subnet = ec2.create_subnet(
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|         VpcId=default_vpc.id, CidrBlock="172.31.48.0/20", AvailabilityZone="us-west-1a"
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|     )
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|     subnet.reload()
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|     subnet.map_public_ip_on_launch.should.equal(False)
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| 
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| 
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| @mock_ec2
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| def test_non_default_subnet():
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|     ec2 = boto3.resource("ec2", region_name="us-west-1")
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| 
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|     # Create the non default VPC
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|     vpc = ec2.create_vpc(CidrBlock="10.0.0.0/16")
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|     vpc.reload()
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|     vpc.is_default.should.equal(False)
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| 
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|     subnet = ec2.create_subnet(
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|         VpcId=vpc.id, CidrBlock="10.0.0.0/24", AvailabilityZone="us-west-1a"
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|     )
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|     subnet.reload()
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|     subnet.map_public_ip_on_launch.should.equal(False)
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| 
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| 
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| @mock_ec2
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| def test_modify_subnet_attribute_public_ip_on_launch():
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|     ec2 = boto3.resource("ec2", region_name="us-west-1")
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|     client = boto3.client("ec2", region_name="us-west-1")
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| 
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|     random_ip = ".".join(map(str, (random.randint(0, 99) for _ in range(4))))
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|     vpc = ec2.create_vpc(CidrBlock=f"{random_ip}/16")
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| 
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|     random_subnet_cidr = f"{random_ip}/20"  # Same block as the VPC
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| 
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|     subnet = ec2.create_subnet(
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|         VpcId=vpc.id, CidrBlock=random_subnet_cidr, AvailabilityZone="us-west-1a"
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|     )
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| 
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|     # 'map_public_ip_on_launch' is set when calling 'DescribeSubnets' action
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|     subnet.reload()
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| 
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|     # For non default subnet, attribute value should be 'False'
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|     subnet.map_public_ip_on_launch.should.equal(False)
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| 
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|     client.modify_subnet_attribute(
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|         SubnetId=subnet.id, MapPublicIpOnLaunch={"Value": False}
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|     )
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|     subnet.reload()
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|     subnet.map_public_ip_on_launch.should.equal(False)
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| 
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|     client.modify_subnet_attribute(
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|         SubnetId=subnet.id, MapPublicIpOnLaunch={"Value": True}
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|     )
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|     subnet.reload()
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|     subnet.map_public_ip_on_launch.should.equal(True)
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| 
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| 
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| @mock_ec2
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| def test_modify_subnet_attribute_assign_ipv6_address_on_creation():
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|     ec2 = boto3.resource("ec2", region_name="us-west-1")
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|     client = boto3.client("ec2", region_name="us-west-1")
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| 
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|     random_ip = ".".join(map(str, (random.randint(0, 99) for _ in range(4))))
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|     vpc = ec2.create_vpc(CidrBlock=f"{random_ip}/16")
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| 
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|     random_subnet_cidr = f"{random_ip}/20"  # Same block as the VPC
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| 
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|     subnet = ec2.create_subnet(
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|         VpcId=vpc.id, CidrBlock=random_subnet_cidr, AvailabilityZone="us-west-1a"
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|     )
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| 
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|     # 'map_public_ip_on_launch' is set when calling 'DescribeSubnets' action
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|     subnet.reload()
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|     client.describe_subnets()
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| 
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|     # For non default subnet, attribute value should be 'False'
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|     subnet.assign_ipv6_address_on_creation.should.equal(False)
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| 
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|     client.modify_subnet_attribute(
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|         SubnetId=subnet.id, AssignIpv6AddressOnCreation={"Value": False}
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|     )
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|     subnet.reload()
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|     subnet.assign_ipv6_address_on_creation.should.equal(False)
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| 
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|     client.modify_subnet_attribute(
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|         SubnetId=subnet.id, AssignIpv6AddressOnCreation={"Value": True}
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|     )
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|     subnet.reload()
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|     subnet.assign_ipv6_address_on_creation.should.equal(True)
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| 
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| 
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| @mock_ec2
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| def test_modify_subnet_attribute_validation():
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|     # TODO: implement some actual logic
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|     ec2 = boto3.resource("ec2", region_name="us-west-1")
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|     vpc = ec2.create_vpc(CidrBlock="10.0.0.0/16")
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|     ec2.create_subnet(
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|         VpcId=vpc.id, CidrBlock="10.0.0.0/24", AvailabilityZone="us-west-1a"
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|     )
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| 
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| 
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| @mock_ec2
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| def test_subnet_get_by_id():
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|     ec2 = boto3.resource("ec2", region_name="us-west-1")
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|     client = boto3.client("ec2", region_name="us-west-1")
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|     vpcA = ec2.create_vpc(CidrBlock="10.0.0.0/16")
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|     subnetA = ec2.create_subnet(
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|         VpcId=vpcA.id, CidrBlock="10.0.0.0/24", AvailabilityZone="us-west-1a"
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|     )
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|     vpcB = ec2.create_vpc(CidrBlock="10.0.0.0/16")
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|     subnetB1 = ec2.create_subnet(
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|         VpcId=vpcB.id, CidrBlock="10.0.0.0/24", AvailabilityZone="us-west-1a"
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|     )
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|     ec2.create_subnet(
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|         VpcId=vpcB.id, CidrBlock="10.0.1.0/24", AvailabilityZone="us-west-1b"
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|     )
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| 
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|     subnets_by_id = client.describe_subnets(SubnetIds=[subnetA.id, subnetB1.id])[
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|         "Subnets"
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|     ]
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|     subnets_by_id.should.have.length_of(2)
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|     subnets_by_id = tuple(map(lambda s: s["SubnetId"], subnets_by_id))
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|     subnetA.id.should.be.within(subnets_by_id)
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|     subnetB1.id.should.be.within(subnets_by_id)
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| 
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|     with pytest.raises(ClientError) as ex:
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|         client.describe_subnets(SubnetIds=["subnet-does_not_exist"])
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|     ex.value.response["ResponseMetadata"]["HTTPStatusCode"].should.equal(400)
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|     ex.value.response["ResponseMetadata"].should.have.key("RequestId")
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|     ex.value.response["Error"]["Code"].should.equal("InvalidSubnetID.NotFound")
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| 
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| 
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| @mock_ec2
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| def test_get_subnets_filtering():
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|     ec2 = boto3.resource("ec2", region_name="us-west-1")
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|     client = boto3.client("ec2", region_name="us-west-1")
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|     vpcA = ec2.create_vpc(CidrBlock="10.0.0.0/16")
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|     subnetA = ec2.create_subnet(
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|         VpcId=vpcA.id, CidrBlock="10.0.0.0/24", AvailabilityZone="us-west-1a"
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|     )
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|     vpcB = ec2.create_vpc(CidrBlock="10.0.0.0/16")
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|     subnetB1 = ec2.create_subnet(
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|         VpcId=vpcB.id, CidrBlock="10.0.0.0/24", AvailabilityZone="us-west-1a"
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|     )
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|     subnetB2 = ec2.create_subnet(
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|         VpcId=vpcB.id, CidrBlock="10.0.1.0/24", AvailabilityZone="us-west-1b"
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|     )
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| 
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|     nr_of_a_zones = len(client.describe_availability_zones()["AvailabilityZones"])
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|     all_subnets = client.describe_subnets()["Subnets"]
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|     if settings.TEST_SERVER_MODE:
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|         # ServerMode may have other tests running that are creating subnets
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|         all_subnet_ids = [s["SubnetId"] for s in all_subnets]
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|         all_subnet_ids.should.contain(subnetA.id)
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|         all_subnet_ids.should.contain(subnetB1.id)
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|         all_subnet_ids.should.contain(subnetB2.id)
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|     else:
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|         all_subnets.should.have.length_of(3 + nr_of_a_zones)
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| 
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|     # Filter by VPC ID
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|     subnets_by_vpc = client.describe_subnets(
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|         Filters=[{"Name": "vpc-id", "Values": [vpcB.id]}]
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|     )["Subnets"]
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|     subnets_by_vpc.should.have.length_of(2)
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|     set([subnet["SubnetId"] for subnet in subnets_by_vpc]).should.equal(
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|         set([subnetB1.id, subnetB2.id])
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|     )
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| 
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|     # Filter by CIDR variations
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|     subnets_by_cidr1 = client.describe_subnets(
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|         Filters=[{"Name": "cidr", "Values": ["10.0.0.0/24"]}]
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|     )["Subnets"]
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|     subnets_by_cidr1 = [s["SubnetId"] for s in subnets_by_cidr1]
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|     subnets_by_cidr1.should.contain(subnetA.id)
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|     subnets_by_cidr1.should.contain(subnetB1.id)
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|     subnets_by_cidr1.shouldnt.contain(subnetB2.id)
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| 
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|     subnets_by_cidr2 = client.describe_subnets(
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|         Filters=[{"Name": "cidr-block", "Values": ["10.0.0.0/24"]}]
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|     )["Subnets"]
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|     subnets_by_cidr2 = [s["SubnetId"] for s in subnets_by_cidr2]
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|     subnets_by_cidr2.should.contain(subnetA.id)
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|     subnets_by_cidr2.should.contain(subnetB1.id)
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|     subnets_by_cidr2.shouldnt.contain(subnetB2.id)
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| 
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|     subnets_by_cidr3 = client.describe_subnets(
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|         Filters=[{"Name": "cidrBlock", "Values": ["10.0.0.0/24"]}]
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|     )["Subnets"]
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|     subnets_by_cidr3 = [s["SubnetId"] for s in subnets_by_cidr3]
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|     subnets_by_cidr3.should.contain(subnetA.id)
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|     subnets_by_cidr3.should.contain(subnetB1.id)
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|     subnets_by_cidr3.shouldnt.contain(subnetB2.id)
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| 
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|     # Filter by VPC ID and CIDR
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|     subnets_by_vpc_and_cidr = client.describe_subnets(
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|         Filters=[
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|             {"Name": "vpc-id", "Values": [vpcB.id]},
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|             {"Name": "cidr", "Values": ["10.0.0.0/24"]},
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|         ]
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|     )["Subnets"]
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|     subnets_by_vpc_and_cidr.should.have.length_of(1)
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|     subnets_by_vpc_and_cidr[0]["SubnetId"].should.equal(subnetB1.id)
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| 
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|     # Filter by subnet ID
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|     subnets_by_id = client.describe_subnets(
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|         Filters=[{"Name": "subnet-id", "Values": [subnetA.id]}]
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|     )["Subnets"]
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|     subnets_by_id.should.have.length_of(1)
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|     subnets_by_id[0]["SubnetId"].should.equal(subnetA.id)
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| 
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|     # Filter by availabilityZone
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|     subnets_by_az = client.describe_subnets(
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|         Filters=[
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|             {"Name": "availabilityZone", "Values": ["us-west-1a"]},
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|             {"Name": "vpc-id", "Values": [vpcB.id]},
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|         ]
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|     )["Subnets"]
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|     subnets_by_az.should.have.length_of(1)
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|     subnets_by_az[0]["SubnetId"].should.equal(subnetB1.id)
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| 
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|     if not settings.TEST_SERVER_MODE:
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|         # Filter by defaultForAz
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|         subnets_by_az = client.describe_subnets(
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|             Filters=[{"Name": "defaultForAz", "Values": ["true"]}]
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|         )["Subnets"]
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|         subnets_by_az.should.have.length_of(nr_of_a_zones)
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| 
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|         # Unsupported filter
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|         filters = [{"Name": "not-implemented-filter", "Values": ["foobar"]}]
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|         client.describe_subnets.when.called_with(Filters=filters).should.throw(
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|             NotImplementedError
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|         )
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| 
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| 
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| @mock_ec2
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| def test_create_subnet_response_fields():
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|     ec2 = boto3.resource("ec2", region_name="us-west-1")
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|     client = boto3.client("ec2", region_name="us-west-1")
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| 
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|     vpc = ec2.create_vpc(CidrBlock="10.0.0.0/16")
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|     subnet = client.create_subnet(
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|         VpcId=vpc.id, CidrBlock="10.0.0.0/24", AvailabilityZone="us-west-1a"
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|     )["Subnet"]
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| 
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|     subnet.should.have.key("AvailabilityZone")
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|     subnet.should.have.key("AvailabilityZoneId")
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|     subnet.should.have.key("AvailableIpAddressCount")
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|     subnet.should.have.key("CidrBlock")
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|     subnet.should.have.key("State")
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|     subnet.should.have.key("SubnetId")
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|     subnet.should.have.key("VpcId")
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|     subnet.should.have.key("Tags")
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|     subnet.should.have.key("DefaultForAz").which.should.equal(False)
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|     subnet.should.have.key("MapPublicIpOnLaunch").which.should.equal(False)
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|     subnet.should.have.key("OwnerId")
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|     subnet.should.have.key("AssignIpv6AddressOnCreation").which.should.equal(False)
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|     subnet.should.have.key("Ipv6Native").which.should.equal(False)
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| 
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|     subnet_arn = "arn:aws:ec2:{region}:{owner_id}:subnet/{subnet_id}".format(
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|         region=subnet["AvailabilityZone"][0:-1],
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|         owner_id=subnet["OwnerId"],
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|         subnet_id=subnet["SubnetId"],
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|     )
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|     subnet.should.have.key("SubnetArn").which.should.equal(subnet_arn)
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|     subnet.should.have.key("Ipv6CidrBlockAssociationSet").which.should.equal([])
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| 
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| 
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| @mock_ec2
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| def test_describe_subnet_response_fields():
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|     ec2 = boto3.resource("ec2", region_name="us-west-1")
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|     client = boto3.client("ec2", region_name="us-west-1")
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| 
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|     vpc = ec2.create_vpc(CidrBlock="10.0.0.0/16")
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|     subnet_object = ec2.create_subnet(
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|         VpcId=vpc.id, CidrBlock="10.0.0.0/24", AvailabilityZone="us-west-1a"
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|     )
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| 
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|     subnets = client.describe_subnets(SubnetIds=[subnet_object.id])["Subnets"]
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|     subnets.should.have.length_of(1)
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|     subnet = subnets[0]
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| 
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|     subnet.should.have.key("AvailabilityZone")
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|     subnet.should.have.key("AvailabilityZoneId")
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|     subnet.should.have.key("AvailableIpAddressCount")
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|     subnet.should.have.key("CidrBlock")
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|     subnet.should.have.key("State")
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|     subnet.should.have.key("SubnetId")
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|     subnet.should.have.key("VpcId")
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|     subnet.shouldnt.have.key("Tags")
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|     subnet.should.have.key("DefaultForAz").which.should.equal(False)
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|     subnet.should.have.key("MapPublicIpOnLaunch").which.should.equal(False)
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|     subnet.should.have.key("OwnerId")
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|     subnet.should.have.key("AssignIpv6AddressOnCreation").which.should.equal(False)
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|     subnet.should.have.key("Ipv6Native").which.should.equal(False)
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| 
 | |
|     subnet_arn = "arn:aws:ec2:{region}:{owner_id}:subnet/{subnet_id}".format(
 | |
|         region=subnet["AvailabilityZone"][0:-1],
 | |
|         owner_id=subnet["OwnerId"],
 | |
|         subnet_id=subnet["SubnetId"],
 | |
|     )
 | |
|     subnet.should.have.key("SubnetArn").which.should.equal(subnet_arn)
 | |
|     subnet.should.have.key("Ipv6CidrBlockAssociationSet").which.should.equal([])
 | |
| 
 | |
| 
 | |
| @mock_ec2
 | |
| def test_create_subnet_with_invalid_availability_zone():
 | |
|     ec2 = boto3.resource("ec2", region_name="us-west-1")
 | |
|     client = boto3.client("ec2", region_name="us-west-1")
 | |
| 
 | |
|     vpc = ec2.create_vpc(CidrBlock="10.0.0.0/16")
 | |
| 
 | |
|     subnet_availability_zone = "asfasfas"
 | |
|     with pytest.raises(ClientError) as ex:
 | |
|         client.create_subnet(
 | |
|             VpcId=vpc.id,
 | |
|             CidrBlock="10.0.0.0/24",
 | |
|             AvailabilityZone=subnet_availability_zone,
 | |
|         )
 | |
|     assert str(ex.value).startswith(
 | |
|         "An error occurred (InvalidParameterValue) when calling the CreateSubnet "
 | |
|         "operation: Value ({}) for parameter availabilityZone is invalid. Subnets can currently only be created in the following availability zones: ".format(
 | |
|             subnet_availability_zone
 | |
|         )
 | |
|     )
 | |
| 
 | |
| 
 | |
| @mock_ec2
 | |
| def test_create_subnet_with_invalid_cidr_range():
 | |
|     ec2 = boto3.resource("ec2", region_name="us-west-1")
 | |
| 
 | |
|     vpc = ec2.create_vpc(CidrBlock="10.0.0.0/16")
 | |
|     vpc.reload()
 | |
|     vpc.is_default.should.equal(False)
 | |
| 
 | |
|     subnet_cidr_block = "10.1.0.0/20"
 | |
|     with pytest.raises(ClientError) as ex:
 | |
|         ec2.create_subnet(VpcId=vpc.id, CidrBlock=subnet_cidr_block)
 | |
|     str(ex.value).should.equal(
 | |
|         "An error occurred (InvalidSubnet.Range) when calling the CreateSubnet "
 | |
|         "operation: The CIDR '{}' is invalid.".format(subnet_cidr_block)
 | |
|     )
 | |
| 
 | |
| 
 | |
| @mock_ec2
 | |
| def test_create_subnet_with_invalid_cidr_range_multiple_vpc_cidr_blocks():
 | |
|     ec2 = boto3.resource("ec2", region_name="us-west-1")
 | |
| 
 | |
|     vpc = ec2.create_vpc(CidrBlock="10.0.0.0/16")
 | |
|     ec2.meta.client.associate_vpc_cidr_block(CidrBlock="10.1.0.0/16", VpcId=vpc.id)
 | |
|     vpc.reload()
 | |
|     vpc.is_default.should.equal(False)
 | |
| 
 | |
|     subnet_cidr_block = "10.2.0.0/20"
 | |
|     with pytest.raises(ClientError) as ex:
 | |
|         ec2.create_subnet(VpcId=vpc.id, CidrBlock=subnet_cidr_block)
 | |
|     str(ex.value).should.equal(
 | |
|         "An error occurred (InvalidSubnet.Range) when calling the CreateSubnet "
 | |
|         "operation: The CIDR '{}' is invalid.".format(subnet_cidr_block)
 | |
|     )
 | |
| 
 | |
| 
 | |
| @mock_ec2
 | |
| def test_create_subnet_with_invalid_cidr_block_parameter():
 | |
|     ec2 = boto3.resource("ec2", region_name="us-west-1")
 | |
| 
 | |
|     vpc = ec2.create_vpc(CidrBlock="10.0.0.0/16")
 | |
|     vpc.reload()
 | |
|     vpc.is_default.should.equal(False)
 | |
| 
 | |
|     subnet_cidr_block = "1000.1.0.0/20"
 | |
|     with pytest.raises(ClientError) as ex:
 | |
|         ec2.create_subnet(VpcId=vpc.id, CidrBlock=subnet_cidr_block)
 | |
|     str(ex.value).should.equal(
 | |
|         "An error occurred (InvalidParameterValue) when calling the CreateSubnet "
 | |
|         "operation: Value ({}) for parameter cidrBlock is invalid. This is not a valid CIDR block.".format(
 | |
|             subnet_cidr_block
 | |
|         )
 | |
|     )
 | |
| 
 | |
| 
 | |
| @mock_ec2
 | |
| def test_create_subnets_with_multiple_vpc_cidr_blocks():
 | |
|     ec2 = boto3.resource("ec2", region_name="us-west-1")
 | |
|     client = boto3.client("ec2", region_name="us-west-1")
 | |
| 
 | |
|     vpc = ec2.create_vpc(CidrBlock="10.0.0.0/16")
 | |
|     ec2.meta.client.associate_vpc_cidr_block(CidrBlock="10.1.0.0/16", VpcId=vpc.id)
 | |
|     vpc.reload()
 | |
|     vpc.is_default.should.equal(False)
 | |
| 
 | |
|     subnet_cidr_block_primary = "10.0.0.0/24"
 | |
|     subnet_primary = ec2.create_subnet(
 | |
|         VpcId=vpc.id, CidrBlock=subnet_cidr_block_primary
 | |
|     )
 | |
| 
 | |
|     subnet_cidr_block_secondary = "10.1.0.0/24"
 | |
|     subnet_secondary = ec2.create_subnet(
 | |
|         VpcId=vpc.id, CidrBlock=subnet_cidr_block_secondary
 | |
|     )
 | |
| 
 | |
|     subnets = client.describe_subnets(
 | |
|         SubnetIds=[subnet_primary.id, subnet_secondary.id]
 | |
|     )["Subnets"]
 | |
|     subnets.should.have.length_of(2)
 | |
| 
 | |
|     for subnet in subnets:
 | |
|         subnet.should.have.key("AvailabilityZone")
 | |
|         subnet.should.have.key("AvailabilityZoneId")
 | |
|         subnet.should.have.key("AvailableIpAddressCount")
 | |
|         subnet.should.have.key("CidrBlock")
 | |
|         subnet.should.have.key("State")
 | |
|         subnet.should.have.key("SubnetId")
 | |
|         subnet.should.have.key("VpcId")
 | |
|         subnet.shouldnt.have.key("Tags")
 | |
|         subnet.should.have.key("DefaultForAz").which.should.equal(False)
 | |
|         subnet.should.have.key("MapPublicIpOnLaunch").which.should.equal(False)
 | |
|         subnet.should.have.key("OwnerId")
 | |
|         subnet.should.have.key("AssignIpv6AddressOnCreation").which.should.equal(False)
 | |
| 
 | |
| 
 | |
| @mock_ec2
 | |
| def test_create_subnets_with_overlapping_cidr_blocks():
 | |
|     ec2 = boto3.resource("ec2", region_name="us-west-1")
 | |
| 
 | |
|     vpc = ec2.create_vpc(CidrBlock="10.0.0.0/16")
 | |
|     vpc.reload()
 | |
|     vpc.is_default.should.equal(False)
 | |
| 
 | |
|     subnet_cidr_block = "10.0.0.0/24"
 | |
|     with pytest.raises(ClientError) as ex:
 | |
|         ec2.create_subnet(VpcId=vpc.id, CidrBlock=subnet_cidr_block)
 | |
|         ec2.create_subnet(VpcId=vpc.id, CidrBlock=subnet_cidr_block)
 | |
|     str(ex.value).should.equal(
 | |
|         "An error occurred (InvalidSubnet.Conflict) when calling the CreateSubnet "
 | |
|         "operation: The CIDR '{}' conflicts with another subnet".format(
 | |
|             subnet_cidr_block
 | |
|         )
 | |
|     )
 | |
| 
 | |
| 
 | |
| @mock_ec2
 | |
| def test_create_subnet_with_tags():
 | |
|     ec2 = boto3.resource("ec2", region_name="us-west-1")
 | |
|     vpc = ec2.create_vpc(CidrBlock="172.31.0.0/16")
 | |
| 
 | |
|     random_ip = "172.31." + ".".join(
 | |
|         map(str, (random.randint(10, 40) for _ in range(2)))
 | |
|     )
 | |
|     random_cidr = f"{random_ip}/20"
 | |
| 
 | |
|     subnet = ec2.create_subnet(
 | |
|         VpcId=vpc.id,
 | |
|         CidrBlock=random_cidr,
 | |
|         AvailabilityZoneId="use1-az6",
 | |
|         TagSpecifications=[
 | |
|             {"ResourceType": "subnet", "Tags": [{"Key": "name", "Value": "some-vpc"}]}
 | |
|         ],
 | |
|     )
 | |
| 
 | |
|     assert subnet.tags == [{"Key": "name", "Value": "some-vpc"}]
 | |
| 
 | |
| 
 | |
| @mock_ec2
 | |
| def test_available_ip_addresses_in_subnet():
 | |
|     if settings.TEST_SERVER_MODE:
 | |
|         raise SkipTest(
 | |
|             "ServerMode is not guaranteed to be empty - other subnets will affect the count"
 | |
|         )
 | |
|     ec2 = boto3.resource("ec2", region_name="us-west-1")
 | |
|     client = boto3.client("ec2", region_name="us-west-1")
 | |
| 
 | |
|     vpc = ec2.create_vpc(CidrBlock="10.0.0.0/16")
 | |
|     cidr_range_addresses = [
 | |
|         ("10.0.0.0/16", 65531),
 | |
|         ("10.0.0.0/17", 32763),
 | |
|         ("10.0.0.0/18", 16379),
 | |
|         ("10.0.0.0/19", 8187),
 | |
|         ("10.0.0.0/20", 4091),
 | |
|         ("10.0.0.0/21", 2043),
 | |
|         ("10.0.0.0/22", 1019),
 | |
|         ("10.0.0.0/23", 507),
 | |
|         ("10.0.0.0/24", 251),
 | |
|         ("10.0.0.0/25", 123),
 | |
|         ("10.0.0.0/26", 59),
 | |
|         ("10.0.0.0/27", 27),
 | |
|         ("10.0.0.0/28", 11),
 | |
|     ]
 | |
|     for (cidr, expected_count) in cidr_range_addresses:
 | |
|         validate_subnet_details(client, vpc, cidr, expected_count)
 | |
| 
 | |
| 
 | |
| @mock_ec2
 | |
| def test_available_ip_addresses_in_subnet_with_enis():
 | |
|     if settings.TEST_SERVER_MODE:
 | |
|         raise SkipTest(
 | |
|             "ServerMode is not guaranteed to be empty - other ENI's will affect the count"
 | |
|         )
 | |
|     ec2 = boto3.resource("ec2", region_name="us-west-1")
 | |
|     client = boto3.client("ec2", region_name="us-west-1")
 | |
| 
 | |
|     vpc = ec2.create_vpc(CidrBlock="10.0.0.0/16")
 | |
|     # Verify behaviour for various CIDR ranges (...)
 | |
|     # Don't try to assign ENIs to /27 and /28, as there are not a lot of IP addresses to go around
 | |
|     cidr_range_addresses = [
 | |
|         ("10.0.0.0/16", 65531),
 | |
|         ("10.0.0.0/17", 32763),
 | |
|         ("10.0.0.0/18", 16379),
 | |
|         ("10.0.0.0/19", 8187),
 | |
|         ("10.0.0.0/20", 4091),
 | |
|         ("10.0.0.0/21", 2043),
 | |
|         ("10.0.0.0/22", 1019),
 | |
|         ("10.0.0.0/23", 507),
 | |
|         ("10.0.0.0/24", 251),
 | |
|         ("10.0.0.0/25", 123),
 | |
|         ("10.0.0.0/26", 59),
 | |
|     ]
 | |
|     for (cidr, expected_count) in cidr_range_addresses:
 | |
|         validate_subnet_details_after_creating_eni(client, vpc, cidr, expected_count)
 | |
| 
 | |
| 
 | |
| def validate_subnet_details(client, vpc, cidr, expected_ip_address_count):
 | |
|     subnet = client.create_subnet(
 | |
|         VpcId=vpc.id, CidrBlock=cidr, AvailabilityZone="us-west-1b"
 | |
|     )["Subnet"]
 | |
|     subnet["AvailableIpAddressCount"].should.equal(expected_ip_address_count)
 | |
|     client.delete_subnet(SubnetId=subnet["SubnetId"])
 | |
| 
 | |
| 
 | |
| def validate_subnet_details_after_creating_eni(
 | |
|     client, vpc, cidr, expected_ip_address_count
 | |
| ):
 | |
|     subnet = client.create_subnet(
 | |
|         VpcId=vpc.id, CidrBlock=cidr, AvailabilityZone="us-west-1b"
 | |
|     )["Subnet"]
 | |
|     # Create a random number of Elastic Network Interfaces
 | |
|     nr_of_eni_to_create = random.randint(0, 5)
 | |
|     ip_addresses_assigned = 0
 | |
|     enis_created = []
 | |
|     for _ in range(0, nr_of_eni_to_create):
 | |
|         # Create a random number of IP addresses per ENI
 | |
|         nr_of_ip_addresses = random.randint(1, 5)
 | |
|         if nr_of_ip_addresses == 1:
 | |
|             # Pick the first available IP address (First 4 are reserved by AWS)
 | |
|             private_address = "10.0.0." + str(ip_addresses_assigned + 4)
 | |
|             eni = client.create_network_interface(
 | |
|                 SubnetId=subnet["SubnetId"], PrivateIpAddress=private_address
 | |
|             )["NetworkInterface"]
 | |
|             enis_created.append(eni)
 | |
|             ip_addresses_assigned = ip_addresses_assigned + 1
 | |
|         else:
 | |
|             # Assign a list of IP addresses
 | |
|             private_addresses = [
 | |
|                 "10.0.0." + str(4 + ip_addresses_assigned + i)
 | |
|                 for i in range(0, nr_of_ip_addresses)
 | |
|             ]
 | |
|             eni = client.create_network_interface(
 | |
|                 SubnetId=subnet["SubnetId"],
 | |
|                 PrivateIpAddresses=[
 | |
|                     {"PrivateIpAddress": address} for address in private_addresses
 | |
|                 ],
 | |
|             )["NetworkInterface"]
 | |
|             enis_created.append(eni)
 | |
|             ip_addresses_assigned = ip_addresses_assigned + nr_of_ip_addresses  #
 | |
| 
 | |
|     # Verify that the nr of available IP addresses takes these ENIs into account
 | |
|     updated_subnet = client.describe_subnets(SubnetIds=[subnet["SubnetId"]])["Subnets"][
 | |
|         0
 | |
|     ]
 | |
| 
 | |
|     private_addresses = []
 | |
|     for eni in enis_created:
 | |
|         private_addresses.extend(
 | |
|             [address["PrivateIpAddress"] for address in eni["PrivateIpAddresses"]]
 | |
|         )
 | |
|     error_msg = (
 | |
|         "Nr of IP addresses for Subnet with CIDR {0} is incorrect. Expected: {1}, Actual: {2}. "
 | |
|         "Addresses: {3}"
 | |
|     )
 | |
|     with sure.ensure(
 | |
|         error_msg,
 | |
|         cidr,
 | |
|         str(expected_ip_address_count),
 | |
|         updated_subnet["AvailableIpAddressCount"],
 | |
|         str(private_addresses),
 | |
|     ):
 | |
|         updated_subnet["AvailableIpAddressCount"].should.equal(
 | |
|             expected_ip_address_count - ip_addresses_assigned
 | |
|         )
 | |
|     # Clean up, as we have to create a few more subnets that shouldn't interfere with each other
 | |
|     for eni in enis_created:
 | |
|         client.delete_network_interface(NetworkInterfaceId=eni["NetworkInterfaceId"])
 | |
|     client.delete_subnet(SubnetId=subnet["SubnetId"])
 | |
| 
 | |
| 
 | |
| @mock_ec2
 | |
| def test_run_instances_should_attach_to_default_subnet():
 | |
|     # https://github.com/spulec/moto/issues/2877
 | |
|     ec2 = boto3.resource("ec2", region_name="sa-east-1")
 | |
|     client = boto3.client("ec2", region_name="sa-east-1")
 | |
|     sec_group_name = str(uuid4())[0:6]
 | |
|     ec2.create_security_group(
 | |
|         GroupName=sec_group_name, Description="Test security group sg01"
 | |
|     )
 | |
|     # run_instances
 | |
|     instances = client.run_instances(
 | |
|         ImageId=EXAMPLE_AMI_ID, MinCount=1, MaxCount=1, SecurityGroups=[sec_group_name]
 | |
|     )
 | |
|     # Assert subnet is created appropriately
 | |
|     subnets = client.describe_subnets(
 | |
|         Filters=[{"Name": "defaultForAz", "Values": ["true"]}]
 | |
|     )["Subnets"]
 | |
|     default_subnet_id = subnets[0]["SubnetId"]
 | |
|     if len(subnets) > 1:
 | |
|         default_subnet_id1 = subnets[1]["SubnetId"]
 | |
|     assert (
 | |
|         instances["Instances"][0]["NetworkInterfaces"][0]["SubnetId"]
 | |
|         == default_subnet_id
 | |
|         or instances["Instances"][0]["NetworkInterfaces"][0]["SubnetId"]
 | |
|         == default_subnet_id1
 | |
|     )
 | |
| 
 | |
|     if not settings.TEST_SERVER_MODE:
 | |
|         # Available IP addresses will depend on other resources that might be created in parallel
 | |
|         assert (
 | |
|             subnets[0]["AvailableIpAddressCount"] == 4090
 | |
|             or subnets[1]["AvailableIpAddressCount"] == 4090
 | |
|         )
 | |
| 
 | |
| 
 | |
| @mock_ec2
 | |
| def test_describe_subnets_by_vpc_id():
 | |
|     ec2 = boto3.resource("ec2", region_name="us-west-1")
 | |
|     client = boto3.client("ec2", region_name="us-west-1")
 | |
| 
 | |
|     vpc1 = ec2.create_vpc(CidrBlock="10.0.0.0/16")
 | |
|     subnet1 = ec2.create_subnet(
 | |
|         VpcId=vpc1.id, CidrBlock="10.0.0.0/24", AvailabilityZone="us-west-1a"
 | |
|     )
 | |
|     vpc2 = ec2.create_vpc(CidrBlock="172.31.0.0/16")
 | |
|     subnet2 = ec2.create_subnet(
 | |
|         VpcId=vpc2.id, CidrBlock="172.31.48.0/20", AvailabilityZone="us-west-1b"
 | |
|     )
 | |
| 
 | |
|     subnets = client.describe_subnets(
 | |
|         Filters=[{"Name": "vpc-id", "Values": [vpc1.id]}]
 | |
|     ).get("Subnets", [])
 | |
|     subnets.should.have.length_of(1)
 | |
|     subnets[0]["SubnetId"].should.equal(subnet1.id)
 | |
| 
 | |
|     subnets = client.describe_subnets(
 | |
|         Filters=[{"Name": "vpc-id", "Values": [vpc2.id]}]
 | |
|     ).get("Subnets", [])
 | |
|     subnets.should.have.length_of(1)
 | |
|     subnets[0]["SubnetId"].should.equal(subnet2.id)
 | |
| 
 | |
|     # Specify multiple VPCs in Filter.
 | |
|     subnets = client.describe_subnets(
 | |
|         Filters=[{"Name": "vpc-id", "Values": [vpc1.id, vpc2.id]}]
 | |
|     ).get("Subnets", [])
 | |
|     subnets.should.have.length_of(2)
 | |
| 
 | |
|     # Specify mismatched SubnetIds/Filters.
 | |
|     subnets = client.describe_subnets(
 | |
|         SubnetIds=[subnet1.id], Filters=[{"Name": "vpc-id", "Values": [vpc2.id]}]
 | |
|     ).get("Subnets", [])
 | |
|     subnets.should.have.length_of(0)
 | |
| 
 | |
| 
 | |
| @mock_ec2
 | |
| def test_describe_subnets_by_state():
 | |
|     ec2 = boto3.resource("ec2", region_name="us-west-1")
 | |
|     client = boto3.client("ec2", region_name="us-west-1")
 | |
| 
 | |
|     vpc = ec2.create_vpc(CidrBlock="10.0.0.0/16")
 | |
|     ec2.create_subnet(
 | |
|         VpcId=vpc.id, CidrBlock="10.0.0.0/24", AvailabilityZone="us-west-1a"
 | |
|     )
 | |
| 
 | |
|     subnets = client.describe_subnets(
 | |
|         Filters=[{"Name": "state", "Values": ["available"]}]
 | |
|     ).get("Subnets", [])
 | |
|     for subnet in subnets:
 | |
|         subnet["State"].should.equal("available")
 | |
| 
 | |
| 
 | |
| @mock_ec2
 | |
| def test_associate_subnet_cidr_block():
 | |
|     ec2 = boto3.resource("ec2", region_name="us-west-1")
 | |
|     client = boto3.client("ec2", region_name="us-west-1")
 | |
| 
 | |
|     vpc = ec2.create_vpc(CidrBlock="10.0.0.0/16")
 | |
|     subnet_object = ec2.create_subnet(
 | |
|         VpcId=vpc.id, CidrBlock="10.0.0.0/24", AvailabilityZone="us-west-1a"
 | |
|     )
 | |
| 
 | |
|     subnets = client.describe_subnets(SubnetIds=[subnet_object.id])["Subnets"]
 | |
|     association_set = subnets[0]["Ipv6CidrBlockAssociationSet"]
 | |
|     association_set.should.equal([])
 | |
| 
 | |
|     res = client.associate_subnet_cidr_block(
 | |
|         Ipv6CidrBlock="1080::1:200C:417A/112", SubnetId=subnet_object.id
 | |
|     )
 | |
|     res.should.have.key("Ipv6CidrBlockAssociation")
 | |
|     association = res["Ipv6CidrBlockAssociation"]
 | |
|     association.should.have.key("AssociationId").match("subnet-cidr-assoc-[a-z0-9]+")
 | |
|     association.should.have.key("Ipv6CidrBlock").equals("1080::1:200C:417A/112")
 | |
|     association.should.have.key("Ipv6CidrBlockState").equals({"State": "associated"})
 | |
| 
 | |
|     subnets = client.describe_subnets(SubnetIds=[subnet_object.id])["Subnets"]
 | |
|     association_set = subnets[0]["Ipv6CidrBlockAssociationSet"]
 | |
|     association_set.should.have.length_of(1)
 | |
|     association_set[0].should.have.key("AssociationId").equal(
 | |
|         association["AssociationId"]
 | |
|     )
 | |
|     association_set[0].should.have.key("Ipv6CidrBlock").equals("1080::1:200C:417A/112")
 | |
| 
 | |
| 
 | |
| @mock_ec2
 | |
| def test_disassociate_subnet_cidr_block():
 | |
|     ec2 = boto3.resource("ec2", region_name="us-west-1")
 | |
|     client = boto3.client("ec2", region_name="us-west-1")
 | |
| 
 | |
|     vpc = ec2.create_vpc(CidrBlock="10.0.0.0/16")
 | |
|     subnet_object = ec2.create_subnet(
 | |
|         VpcId=vpc.id, CidrBlock="10.0.0.0/24", AvailabilityZone="us-west-1a"
 | |
|     )
 | |
| 
 | |
|     client.associate_subnet_cidr_block(
 | |
|         Ipv6CidrBlock="1080::1:200C:417A/111", SubnetId=subnet_object.id
 | |
|     )
 | |
|     association_id = client.associate_subnet_cidr_block(
 | |
|         Ipv6CidrBlock="1080::1:200C:417A/999", SubnetId=subnet_object.id
 | |
|     )["Ipv6CidrBlockAssociation"]["AssociationId"]
 | |
| 
 | |
|     subnets = client.describe_subnets(SubnetIds=[subnet_object.id])["Subnets"]
 | |
|     association_set = subnets[0]["Ipv6CidrBlockAssociationSet"]
 | |
|     association_set.should.have.length_of(2)
 | |
| 
 | |
|     client.disassociate_subnet_cidr_block(AssociationId=association_id)
 | |
| 
 | |
|     subnets = client.describe_subnets(SubnetIds=[subnet_object.id])["Subnets"]
 | |
|     association_set = subnets[0]["Ipv6CidrBlockAssociationSet"]
 | |
|     association_set.should.have.length_of(1)
 | |
|     association_set[0]["Ipv6CidrBlock"].should.equal("1080::1:200C:417A/111")
 | |
| 
 | |
| 
 | |
| @mock_ec2
 | |
| def test_describe_subnets_dryrun():
 | |
|     client = boto3.client("ec2", region_name="us-east-1")
 | |
| 
 | |
|     with pytest.raises(ClientError) as ex:
 | |
|         client.describe_subnets(DryRun=True)
 | |
|     ex.value.response["ResponseMetadata"]["HTTPStatusCode"].should.equal(412)
 | |
|     ex.value.response["Error"]["Code"].should.equal("DryRunOperation")
 | |
|     ex.value.response["Error"]["Message"].should.equal(
 | |
|         "An error occurred (DryRunOperation) when calling the DescribeSubnets operation: Request would have succeeded, but DryRun flag is set"
 | |
|     )
 |