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|
import json
from uuid import uuid4
import boto3
from moto import mock_aws
DEFAULT_REGION = "eu-central-1"
def _get_clients():
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, iam_client):
"""
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 = str(uuid4())[0:6]
resp = iam_client.create_role(
RoleName=role_name, AssumeRolePolicyDocument="some_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
@mock_aws
def test_create_env_cf():
ec2_client, iam_client, _, _, _ = _get_clients()
_, subnet_id, sg_id, iam_arn = _setup(ec2_client, iam_client)
create_environment_template = {
"Resources": {
"ComputeEnvironment": {
"Type": "AWS::Batch::ComputeEnvironment",
"Properties": {
"Type": "MANAGED",
"ComputeResources": {
"Type": "EC2",
"MinvCpus": 0,
"DesiredvCpus": 0,
"MaxvCpus": 64,
"InstanceTypes": ["optimal"],
"Subnets": [subnet_id],
"SecurityGroupIds": [sg_id],
"InstanceRole": iam_arn.replace("role", "instance-profile"),
},
"ServiceRole": iam_arn,
},
}
}
}
cf_json = json.dumps(create_environment_template)
cf_conn = boto3.client("cloudformation", DEFAULT_REGION)
stack_name = str(uuid4())[0:6]
stack_id = cf_conn.create_stack(StackName=stack_name, TemplateBody=cf_json)[
"StackId"
]
stack_resources = cf_conn.list_stack_resources(StackName=stack_id)
summary = stack_resources["StackResourceSummaries"][0]
assert summary["ResourceStatus"] == "CREATE_COMPLETE"
# Spot checks on the ARN
assert "arn:aws:batch:" in summary["PhysicalResourceId"]
assert stack_name in summary["PhysicalResourceId"]
@mock_aws
def test_create_job_queue_cf():
ec2_client, iam_client, _, _, _ = _get_clients()
_, subnet_id, sg_id, iam_arn = _setup(ec2_client, iam_client)
create_environment_template = {
"Resources": {
"ComputeEnvironment": {
"Type": "AWS::Batch::ComputeEnvironment",
"Properties": {
"Type": "MANAGED",
"ComputeResources": {
"Type": "EC2",
"MinvCpus": 0,
"DesiredvCpus": 0,
"MaxvCpus": 64,
"InstanceTypes": ["optimal"],
"Subnets": [subnet_id],
"SecurityGroupIds": [sg_id],
"InstanceRole": iam_arn.replace("role", "instance-profile"),
},
"ServiceRole": iam_arn,
},
},
"JobQueue": {
"Type": "AWS::Batch::JobQueue",
"Properties": {
"Priority": 1,
"ComputeEnvironmentOrder": [
{
"Order": 1,
"ComputeEnvironment": {"Ref": "ComputeEnvironment"},
}
],
},
},
}
}
cf_json = json.dumps(create_environment_template)
cf_conn = boto3.client("cloudformation", DEFAULT_REGION)
stack_name = str(uuid4())[0:6]
stack_id = cf_conn.create_stack(StackName=stack_name, TemplateBody=cf_json)[
"StackId"
]
stack_resources = cf_conn.list_stack_resources(StackName=stack_id)
assert len(stack_resources["StackResourceSummaries"]) == 2
job_queue_resource = list(
filter(
lambda item: item["ResourceType"] == "AWS::Batch::JobQueue",
stack_resources["StackResourceSummaries"],
)
)[0]
assert job_queue_resource["ResourceStatus"] == "CREATE_COMPLETE"
# Spot checks on the ARN
job_queue_resource["PhysicalResourceId"].startswith("arn:aws:batch:")
assert stack_name in job_queue_resource["PhysicalResourceId"]
assert "job-queue/" in job_queue_resource["PhysicalResourceId"]
@mock_aws
def test_create_job_def_cf():
ec2_client, iam_client, _, _, _ = _get_clients()
_, subnet_id, sg_id, iam_arn = _setup(ec2_client, iam_client)
create_environment_template = {
"Resources": {
"ComputeEnvironment": {
"Type": "AWS::Batch::ComputeEnvironment",
"Properties": {
"Type": "MANAGED",
"ComputeResources": {
"Type": "EC2",
"MinvCpus": 0,
"DesiredvCpus": 0,
"MaxvCpus": 64,
"InstanceTypes": ["optimal"],
"Subnets": [subnet_id],
"SecurityGroupIds": [sg_id],
"InstanceRole": iam_arn.replace("role", "instance-profile"),
},
"ServiceRole": iam_arn,
},
},
"JobQueue": {
"Type": "AWS::Batch::JobQueue",
"Properties": {
"Priority": 1,
"ComputeEnvironmentOrder": [
{
"Order": 1,
"ComputeEnvironment": {"Ref": "ComputeEnvironment"},
}
],
},
},
"JobDefinition": {
"Type": "AWS::Batch::JobDefinition",
"Properties": {
"Type": "container",
"ContainerProperties": {
"Image": {
"Fn::Join": [
"",
[
"137112412989.dkr.ecr.",
{"Ref": "AWS::Region"},
".amazonaws.com/amazonlinux:latest",
],
]
},
"ResourceRequirements": [
{"Type": "MEMORY", "Value": 2000},
{"Type": "VCPU", "Value": 2},
],
"Command": ["echo", "Hello world"],
"LinuxParameters": {"Devices": [{"HostPath": "test-path"}]},
},
"RetryStrategy": {"Attempts": 1},
},
},
}
}
cf_json = json.dumps(create_environment_template)
cf_conn = boto3.client("cloudformation", DEFAULT_REGION)
stack_name = str(uuid4())[0:6]
stack_id = cf_conn.create_stack(StackName=stack_name, TemplateBody=cf_json)[
"StackId"
]
stack_resources = cf_conn.list_stack_resources(StackName=stack_id)
assert len(stack_resources["StackResourceSummaries"]) == 3
job_def_resource = list(
filter(
lambda item: item["ResourceType"] == "AWS::Batch::JobDefinition",
stack_resources["StackResourceSummaries"],
)
)[0]
assert job_def_resource["ResourceStatus"] == "CREATE_COMPLETE"
# Spot checks on the ARN
job_def_resource["PhysicalResourceId"].startswith("arn:aws:batch:")
assert f"{stack_name}-JobDef" in job_def_resource["PhysicalResourceId"]
assert "job-definition/" in job_def_resource["PhysicalResourceId"]
# Test the linux parameter device host path
# This ensures that batch is parsing the parameter dictionaries
# correctly by recursively converting the first character of all
# dict keys to lowercase.
batch_conn = boto3.client("batch", DEFAULT_REGION)
response = batch_conn.describe_job_definitions(
jobDefinitions=[job_def_resource["PhysicalResourceId"]]
)
job_def_linux_device_host_path = response.get("jobDefinitions")[0][
"containerProperties"
]["linuxParameters"]["devices"][0]["hostPath"]
assert job_def_linux_device_host_path == "test-path"
|
