Define and run container tasks on AWS Fargate immediately or with schedule
Project description
cdk-fargate-run-task
Define and run container tasks on AWS Fargate at once or by schedule.
sample
# Example automatically generated from non-compiling source. May contain errors.
app = cdk.App()
env = {
"account": process.env.CDK_DEFAULT_ACCOUNT,
"region": process.env.CDK_DEFAULT_REGION
}
stack = cdk.Stack(app, "run-task-demo-stack", env=env)
# define your task
task = ecs.FargateTaskDefinition(stack, "Task", cpu=256, memory_limit_mi_b=512)
# add contianer into the task
task.add_container("Ping",
image=ecs.ContainerImage.from_registry("busybox"),
command=["sh", "-c", "ping -c 3 google.com"
],
logging=ecs.AwsLogDriver(
stream_prefix="Ping",
log_group=LogGroup(stack, "LogGroup",
log_group_name=f"{stack.stackName}LogGroup",
retention=RetentionDays.ONE_DAY
)
)
)
# deploy and run this task once
run_task_at_once = RunTask(stack, "RunDemoTaskOnce", task=task)
# or run it with schedule(every hour 0min)
RunTask(stack, "RunDemoTaskEveryHour",
task=task,
cluster=run_task_at_once.cluster,
run_once=False,
schedule=Schedule.cron(minute="0")
)
Public Subnets only VPC
To run task in public subnets only VPC:
# Example automatically generated from non-compiling source. May contain errors.
RunTask(stack, "RunTask",
task=task,
vpc_subnets={
"subnet_type": ec2.SubnetType.PUBLIC
}
)
ECS Anywhere
Amazon ECS Anywhere allows you to run ECS tasks on external instances. To run external task once or on schedule:
# Example automatically generated from non-compiling source. May contain errors.
external_task = ecs.TaskDefinition(stack, "ExternalTask",
cpu="256",
memory_mi_b="512",
compatibility=ecs.Compatibility.EXTERNAL
)
external_task.add_container("ExternalPing",
image=ecs.ContainerImage.from_registry("busybox"),
command=["sh", "-c", "ping -c 3 google.com"
],
logging=ecs.AwsLogDriver(
stream_prefix="Ping",
log_group=LogGroup(stack, "ExternalLogGroup",
retention=RetentionDays.ONE_DAY,
removal_policy=cdk.RemovalPolicy.DESTROY
)
)
)
# run it once on external instance
RunTask(stack, "RunDemoTaskFromExternal",
task=external_task,
cluster=existing_cluster,
launch_type=LaunchType.EXTERNAL
)
# run it by schedule on external instance
RunTask(stack, "RunDemoTaskFromExternalSchedule",
task=external_task,
cluster=existing_cluster,
launch_type=LaunchType.EXTERNAL,
run_at_once=False,
schedule=Schedule.cron(minute="0")
)
Please note when you run task in EXTERNAL
launch type, no fargate tasks will be scheduled. You will be responsible to register the external instances to your ECS cluster. See Registering an external instance to a cluster for more details.
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