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from uuid import uuid4
import boto3
import pytest
from botocore.exceptions import ClientError
from moto import mock_aws
from .helpers import assert_dryrun_error
VPC_CIDR = "10.0.0.0/16"
BAD_VPC = "vpc-deadbeef"
BAD_IGW = "igw-deadbeef"
@mock_aws
def test_igw_create():
"""internet gateway create"""
ec2 = boto3.resource("ec2", "us-west-1")
client = boto3.client("ec2", "us-west-1")
with pytest.raises(ClientError) as ex:
client.create_internet_gateway(DryRun=True)
assert_dryrun_error(ex)
igw = ec2.create_internet_gateway()
assert igw.id.startswith("igw-")
igw = client.describe_internet_gateways(InternetGatewayIds=[igw.id])[
"InternetGateways"
][0]
assert len(igw["Attachments"]) == 0
@mock_aws
def test_igw_attach():
"""internet gateway attach"""
ec2 = boto3.resource("ec2", "us-west-1")
client = boto3.client("ec2", "us-west-1")
igw = ec2.create_internet_gateway()
vpc = ec2.create_vpc(CidrBlock=VPC_CIDR)
with pytest.raises(ClientError) as ex:
vpc.attach_internet_gateway(InternetGatewayId=igw.id, DryRun=True)
assert_dryrun_error(ex)
vpc.attach_internet_gateway(InternetGatewayId=igw.id)
igw = client.describe_internet_gateways(InternetGatewayIds=[igw.id])[
"InternetGateways"
][0]
assert igw["Attachments"] == [{"State": "available", "VpcId": vpc.id}]
@mock_aws
def test_igw_attach_bad_vpc():
"""internet gateway fail to attach w/ bad vpc"""
ec2 = boto3.resource("ec2", "us-west-1")
igw = ec2.create_internet_gateway()
with pytest.raises(ClientError) as ex:
igw.attach_to_vpc(VpcId=BAD_VPC)
assert ex.value.response["ResponseMetadata"]["HTTPStatusCode"] == 400
assert "RequestId" in ex.value.response["ResponseMetadata"]
assert ex.value.response["Error"]["Code"] == "InvalidVpcID.NotFound"
@mock_aws
def test_igw_attach_twice():
"""internet gateway fail to attach twice"""
ec2 = boto3.resource("ec2", "us-west-1")
client = boto3.client("ec2", region_name="us-west-1")
igw = ec2.create_internet_gateway()
vpc1 = ec2.create_vpc(CidrBlock=VPC_CIDR)
vpc2 = ec2.create_vpc(CidrBlock=VPC_CIDR)
client.attach_internet_gateway(InternetGatewayId=igw.id, VpcId=vpc1.id)
with pytest.raises(ClientError) as ex:
client.attach_internet_gateway(InternetGatewayId=igw.id, VpcId=vpc2.id)
assert ex.value.response["ResponseMetadata"]["HTTPStatusCode"] == 400
assert "RequestId" in ex.value.response["ResponseMetadata"]
assert ex.value.response["Error"]["Code"] == "Resource.AlreadyAssociated"
@mock_aws
def test_igw_detach():
"""internet gateway detach"""
ec2 = boto3.resource("ec2", "us-west-1")
client = boto3.client("ec2", region_name="us-west-1")
igw = ec2.create_internet_gateway()
vpc = ec2.create_vpc(CidrBlock=VPC_CIDR)
client.attach_internet_gateway(InternetGatewayId=igw.id, VpcId=vpc.id)
with pytest.raises(ClientError) as ex:
client.detach_internet_gateway(
InternetGatewayId=igw.id, VpcId=vpc.id, DryRun=True
)
assert_dryrun_error(ex)
client.detach_internet_gateway(InternetGatewayId=igw.id, VpcId=vpc.id)
igw = igw = client.describe_internet_gateways(InternetGatewayIds=[igw.id])[
"InternetGateways"
][0]
assert len(igw["Attachments"]) == 0
@mock_aws
def test_igw_detach_wrong_vpc():
"""internet gateway fail to detach w/ wrong vpc"""
ec2 = boto3.resource("ec2", "us-west-1")
client = boto3.client("ec2", region_name="us-west-1")
igw = ec2.create_internet_gateway()
vpc1 = ec2.create_vpc(CidrBlock=VPC_CIDR)
vpc2 = ec2.create_vpc(CidrBlock=VPC_CIDR)
client.attach_internet_gateway(InternetGatewayId=igw.id, VpcId=vpc1.id)
with pytest.raises(ClientError) as ex:
client.detach_internet_gateway(InternetGatewayId=igw.id, VpcId=vpc2.id)
assert ex.value.response["ResponseMetadata"]["HTTPStatusCode"] == 400
assert "RequestId" in ex.value.response["ResponseMetadata"]
assert ex.value.response["Error"]["Code"] == "Gateway.NotAttached"
@mock_aws
def test_igw_detach_invalid_vpc():
"""internet gateway fail to detach w/ invalid vpc"""
ec2 = boto3.resource("ec2", "us-west-1")
client = boto3.client("ec2", region_name="us-west-1")
igw = ec2.create_internet_gateway()
vpc = ec2.create_vpc(CidrBlock=VPC_CIDR)
client.attach_internet_gateway(InternetGatewayId=igw.id, VpcId=vpc.id)
with pytest.raises(ClientError) as ex:
client.detach_internet_gateway(InternetGatewayId=igw.id, VpcId=BAD_VPC)
assert ex.value.response["ResponseMetadata"]["HTTPStatusCode"] == 400
assert "RequestId" in ex.value.response["ResponseMetadata"]
assert ex.value.response["Error"]["Code"] == "Gateway.NotAttached"
@mock_aws
def test_igw_detach_unattached():
"""internet gateway fail to detach unattached"""
ec2 = boto3.resource("ec2", "us-west-1")
client = boto3.client("ec2", region_name="us-west-1")
igw = ec2.create_internet_gateway()
vpc = ec2.create_vpc(CidrBlock=VPC_CIDR)
with pytest.raises(ClientError) as ex:
client.detach_internet_gateway(InternetGatewayId=igw.id, VpcId=vpc.id)
assert ex.value.response["ResponseMetadata"]["HTTPStatusCode"] == 400
assert "RequestId" in ex.value.response["ResponseMetadata"]
assert ex.value.response["Error"]["Code"] == "Gateway.NotAttached"
@mock_aws
def test_igw_delete():
"""internet gateway delete"""
ec2 = boto3.resource("ec2", "us-west-1")
client = boto3.client("ec2", region_name="us-west-1")
ec2.create_vpc(CidrBlock=VPC_CIDR)
igw = ec2.create_internet_gateway()
assert igw.id in [i["InternetGatewayId"] for i in (retrieve_all(client))]
with pytest.raises(ClientError) as ex:
client.delete_internet_gateway(InternetGatewayId=igw.id, DryRun=True)
assert_dryrun_error(ex)
client.delete_internet_gateway(InternetGatewayId=igw.id)
assert igw.id not in [i["InternetGatewayId"] for i in (retrieve_all(client))]
@mock_aws
def test_igw_delete_attached():
"""internet gateway fail to delete attached"""
ec2 = boto3.resource("ec2", "us-west-1")
client = boto3.client("ec2", "us-west-1")
igw = ec2.create_internet_gateway()
vpc = ec2.create_vpc(CidrBlock=VPC_CIDR)
client.attach_internet_gateway(InternetGatewayId=igw.id, VpcId=vpc.id)
with pytest.raises(ClientError) as ex:
client.delete_internet_gateway(InternetGatewayId=igw.id)
assert ex.value.response["ResponseMetadata"]["HTTPStatusCode"] == 400
assert "RequestId" in ex.value.response["ResponseMetadata"]
assert ex.value.response["Error"]["Code"] == "DependencyViolation"
@mock_aws
def test_igw_describe():
"""internet gateway fetch by id"""
ec2 = boto3.resource("ec2", "us-west-1")
client = boto3.client("ec2", "us-west-1")
igw = ec2.create_internet_gateway()
igw_by_search = client.describe_internet_gateways(InternetGatewayIds=[igw.id])[
"InternetGateways"
][0]
assert igw.id == igw_by_search["InternetGatewayId"]
@mock_aws
def test_igw_describe_bad_id():
"""internet gateway fail to fetch by bad id"""
client = boto3.client("ec2", "us-west-1")
with pytest.raises(ClientError) as ex:
client.describe_internet_gateways(InternetGatewayIds=[BAD_IGW])
assert ex.value.response["ResponseMetadata"]["HTTPStatusCode"] == 400
assert "RequestId" in ex.value.response["ResponseMetadata"]
assert ex.value.response["Error"]["Code"] == "InvalidInternetGatewayID.NotFound"
@mock_aws
def test_igw_filter_by_vpc_id():
"""internet gateway filter by vpc id"""
ec2 = boto3.resource("ec2", "us-west-1")
client = boto3.client("ec2", "us-west-1")
igw1 = ec2.create_internet_gateway()
ec2.create_internet_gateway()
vpc = ec2.create_vpc(CidrBlock=VPC_CIDR)
client.attach_internet_gateway(InternetGatewayId=igw1.id, VpcId=vpc.id)
result = client.describe_internet_gateways(
Filters=[{"Name": "attachment.vpc-id", "Values": [vpc.id]}]
)
assert len(result["InternetGateways"]) == 1
assert result["InternetGateways"][0]["InternetGatewayId"] == igw1.id
@mock_aws
def test_igw_filter_by_tags():
"""internet gateway filter by vpc id"""
ec2 = boto3.resource("ec2", "us-west-1")
client = boto3.client("ec2", "us-west-1")
igw1 = ec2.create_internet_gateway()
ec2.create_internet_gateway()
tag_value = str(uuid4())
igw1.create_tags(Tags=[{"Key": "tests", "Value": tag_value}])
result = retrieve_all(client, [{"Name": "tag:tests", "Values": [tag_value]}])
assert len(result) == 1
assert result[0]["InternetGatewayId"] == igw1.id
@mock_aws
def test_igw_filter_by_internet_gateway_id():
"""internet gateway filter by internet gateway id"""
ec2 = boto3.resource("ec2", "us-west-1")
client = boto3.client("ec2", "us-west-1")
igw1 = ec2.create_internet_gateway()
ec2.create_internet_gateway()
result = client.describe_internet_gateways(
Filters=[{"Name": "internet-gateway-id", "Values": [igw1.id]}]
)
assert len(result["InternetGateways"]) == 1
assert result["InternetGateways"][0]["InternetGatewayId"] == igw1.id
@mock_aws
def test_igw_filter_by_attachment_state():
"""internet gateway filter by attachment state"""
ec2 = boto3.resource("ec2", "us-west-1")
client = boto3.client("ec2", "us-west-1")
igw1 = ec2.create_internet_gateway()
igw2 = ec2.create_internet_gateway()
vpc = ec2.create_vpc(CidrBlock=VPC_CIDR)
client.attach_internet_gateway(InternetGatewayId=igw1.id, VpcId=vpc.id)
filters = [{"Name": "attachment.state", "Values": ["available"]}]
all_ids = [igw["InternetGatewayId"] for igw in (retrieve_all(client, filters))]
assert igw1.id in all_ids
assert igw2.id not in all_ids
@mock_aws
def test_create_internet_gateway_with_tags():
ec2 = boto3.resource("ec2", region_name="eu-central-1")
igw = ec2.create_internet_gateway(
TagSpecifications=[
{
"ResourceType": "internet-gateway",
"Tags": [{"Key": "test", "Value": "TestRouteTable"}],
}
]
)
assert len(igw.tags) == 1
assert igw.tags == [{"Key": "test", "Value": "TestRouteTable"}]
def retrieve_all(client, filters=None):
resp = client.describe_internet_gateways(Filters=filters or [])
all_igws = resp["InternetGateways"]
token = resp.get("NextToken")
while token:
resp = client.describe_internet_gateways(NextToken=token, Filters=filters or [])
all_igws.extend(resp["InternetGateways"])
token = resp.get("NextToken")
return all_igws
|
