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import json
from time import sleep
from uuid import uuid4
import boto3
import pytest
from botocore.exceptions import ClientError
from moto import mock_aws
from tests import allow_aws_request
from . import DEFAULT_REGION
ASSUME_ROLE_POLICY = {
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Principal": {"Service": "rds.amazonaws.com"},
"Action": "sts:AssumeRole",
}
],
}
@pytest.fixture(scope="module")
def mockaws():
if allow_aws_request():
yield
else:
with mock_aws():
yield
@pytest.fixture(scope="module")
def secrets_arn():
client = boto3.client("secretsmanager", DEFAULT_REGION)
secret_name = f"moto-test-{str(uuid4())[0:6]}"
try:
secret = client.create_secret(Name=secret_name, SecretString="ss")
yield secret["ARN"]
finally:
client.delete_secret(SecretId=secret_name)
@pytest.fixture(scope="module")
def vpc_id(mockaws):
ec2_client = boto3.client("ec2", region_name=DEFAULT_REGION)
_vpc_id = None
try:
_vpc_id = ec2_client.create_vpc(CidrBlock="10.0.0.0/16")["Vpc"]["VpcId"]
yield _vpc_id
finally:
ec2_client.delete_vpc(VpcId=_vpc_id)
@pytest.fixture(scope="module")
def subnet_id1(vpc_id):
ec2_client = boto3.client("ec2", region_name=DEFAULT_REGION)
try:
subnet = ec2_client.create_subnet(
CidrBlock="10.0.1.0/24", VpcId=vpc_id, AvailabilityZone="us-east-1a"
)
subnet_id = subnet["Subnet"]["SubnetId"]
yield subnet_id
finally:
ec2_client.delete_subnet(SubnetId=subnet_id)
@pytest.fixture(scope="module")
def subnet_id2(vpc_id):
ec2_client = boto3.client("ec2", region_name=DEFAULT_REGION)
try:
subnet = ec2_client.create_subnet(
CidrBlock="10.0.2.0/24", VpcId=vpc_id, AvailabilityZone="us-east-1b"
)
subnet_id = subnet["Subnet"]["SubnetId"]
yield subnet_id
finally:
ec2_client.delete_subnet(SubnetId=subnet_id)
@pytest.fixture(scope="module")
def role_arn(mockaws):
role_name = f"moto-test-{str(uuid4())[0:6]}"
iam = boto3.client("iam", region_name=DEFAULT_REGION)
try:
role = iam.create_role(
RoleName=role_name,
AssumeRolePolicyDocument=json.dumps(ASSUME_ROLE_POLICY),
)["Role"]
yield role["Arn"]
finally:
iam.delete_role(RoleName=role_name)
@pytest.fixture(scope="module")
def proxy_name(subnet_id1, subnet_id2, role_arn, secrets_arn):
name = f"moto-test-{str(uuid4())[0:6]}"
rds_client = boto3.client("rds", region_name=DEFAULT_REGION)
proxy_creation_succeeded = False
try:
resp = rds_client.create_db_proxy(
DBProxyName=name,
EngineFamily="POSTGRESQL",
Auth=[
{
# "UserName": "user1",
# "AuthScheme": "SECRETS",
"IAMAuth": "DISABLED",
"SecretArn": secrets_arn,
}
],
RoleArn=role_arn,
VpcSubnetIds=[subnet_id1, subnet_id2],
)
status = resp["DBProxy"]["Status"]
while status.lower() == "creating":
sleep(5)
status = rds_client.describe_db_proxies(DBProxyName=name)["DBProxies"][0][
"Status"
]
proxy_creation_succeeded = True
yield name
finally:
if proxy_creation_succeeded:
rds_client.delete_db_proxy(DBProxyName=name)
deleted = False
while not deleted:
try:
rds_client.describe_db_proxies(DBProxyName=name)
sleep(10)
except (ClientError, IndexError):
deleted = True
@pytest.fixture(scope="module")
def db_cluster_id(mockaws):
cluster_name = f"moto-test-{str(uuid4())[0:6]}"
rds_client = boto3.client("rds", region_name=DEFAULT_REGION)
cluster_creation_succeeded = False
try:
cluster_id = rds_client.create_db_cluster(
DBClusterIdentifier=cluster_name,
Engine="aurora-postgresql",
MasterUsername="root",
MasterUserPassword="hunter21",
)["DBCluster"]["DBClusterIdentifier"]
rds_client.get_waiter("db_cluster_available").wait(
DBClusterIdentifier=cluster_id
)
cluster_creation_succeeded = True
yield cluster_id
finally:
if cluster_creation_succeeded:
rds_client.delete_db_cluster(
DBClusterIdentifier=cluster_id, SkipFinalSnapshot=True
)
def test_default_proxy_targets(account_id, proxy_name):
rds_client = boto3.client("rds", region_name=DEFAULT_REGION)
resp = rds_client.describe_db_proxy_targets(DBProxyName=proxy_name)
assert resp["Targets"] == []
groups = rds_client.describe_db_proxy_target_groups(
DBProxyName=proxy_name,
TargetGroupName="default",
)["TargetGroups"]
assert len(groups) == 1
groups[0].pop("CreatedDate")
groups[0].pop("UpdatedDate")
target_group_arn = groups[0].pop("TargetGroupArn")
assert target_group_arn.startswith(
f"arn:aws:rds:{DEFAULT_REGION}:{account_id}:target-group:prx-tg-"
) # 17 more chars (lowercase + digits)
assert groups[0] == {
"DBProxyName": proxy_name,
"TargetGroupName": "default",
"IsDefault": True,
"Status": "available",
"ConnectionPoolConfig": {
"MaxConnectionsPercent": 100,
"MaxIdleConnectionsPercent": 50,
"ConnectionBorrowTimeout": 120,
"SessionPinningFilters": [],
},
}
def test_register_db_proxy(account_id, proxy_name, db_cluster_id):
rds_client = boto3.client("rds", region_name=DEFAULT_REGION)
resp = rds_client.register_db_proxy_targets(
DBProxyName=proxy_name,
DBClusterIdentifiers=[db_cluster_id],
)["DBProxyTargets"]
resp[0].pop("Endpoint", None)
assert resp == [
{
"RdsResourceId": db_cluster_id,
"Port": 5432,
"Type": "TRACKED_CLUSTER",
"TargetHealth": {"State": "REGISTERING"},
}
]
resp = rds_client.describe_db_proxy_targets(DBProxyName=proxy_name)["Targets"]
resp[0].pop("Endpoint", None)
resp[0].pop("TargetHealth", None)
assert resp == [
{"RdsResourceId": db_cluster_id, "Port": 5432, "Type": "TRACKED_CLUSTER"}
]
rds_client.deregister_db_proxy_targets(
DBProxyName=proxy_name,
DBClusterIdentifiers=[db_cluster_id],
)
resp = rds_client.describe_db_proxy_targets(DBProxyName=proxy_name)
assert resp["Targets"] == []
def test_modify_group(proxy_name):
rds_client = boto3.client("rds", region_name=DEFAULT_REGION)
rds_client.modify_db_proxy_target_group(
TargetGroupName="default",
DBProxyName=proxy_name,
ConnectionPoolConfig={
"MaxConnectionsPercent": 27,
"SessionPinningFilters": ["filter1"],
},
)
group = rds_client.describe_db_proxy_target_groups(
DBProxyName=proxy_name,
TargetGroupName="default",
)["TargetGroups"][0]
assert group["ConnectionPoolConfig"]["MaxConnectionsPercent"] == 27
assert group["ConnectionPoolConfig"]["MaxIdleConnectionsPercent"] == 13
assert group["ConnectionPoolConfig"]["SessionPinningFilters"] == ["filter1"]
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