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import json
from typing import Any
from uuid import uuid4
import boto3
DEFAULT_REGION = "eu-central-1"
def _get_clients() -> tuple[Any, Any, Any, Any, Any]:
return (
boto3.client("ec2", region_name=DEFAULT_REGION),
boto3.client("iam", region_name=DEFAULT_REGION),
boto3.client("ecs", region_name=DEFAULT_REGION),
boto3.client("logs", region_name=DEFAULT_REGION),
boto3.client("batch", region_name=DEFAULT_REGION),
)
def _setup(ec2_client: Any, iam_client: Any) -> tuple[str, str, str, str]:
"""
Do prerequisite setup
:return: VPC ID, Subnet ID, Security group ID, IAM Role ARN
:rtype: tuple
"""
resp = ec2_client.create_vpc(CidrBlock="172.30.0.0/24")
vpc_id = resp["Vpc"]["VpcId"]
resp = ec2_client.create_subnet(
AvailabilityZone="eu-central-1a", CidrBlock="172.30.0.0/25", VpcId=vpc_id
)
subnet_id = resp["Subnet"]["SubnetId"]
resp = ec2_client.create_security_group(
Description="test_sg_desc", GroupName=str(uuid4())[0:6], VpcId=vpc_id
)
sg_id = resp["GroupId"]
role_name = f"{str(uuid4())[0:6]}"
assume_role_policy = json.dumps(
{
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Principal": {"Service": "batch.amazonaws.com"},
"Action": "sts:AssumeRole",
}
],
}
)
resp = iam_client.create_role(
RoleName=role_name, AssumeRolePolicyDocument=assume_role_policy
)
iam_arn = resp["Role"]["Arn"]
iam_client.create_instance_profile(InstanceProfileName=role_name)
iam_client.add_role_to_instance_profile(
InstanceProfileName=role_name, RoleName=role_name
)
return vpc_id, subnet_id, sg_id, iam_arn
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