QueueProcessingFargateServiceProps

class aws_cdk.aws_ecs_patterns.QueueProcessingFargateServiceProps(*, capacity_provider_strategies=None, circuit_breaker=None, cluster=None, command=None, cooldown=None, cpu_target_utilization_percent=None, deployment_controller=None, disable_cpu_based_scaling=None, enable_ecs_managed_tags=None, enable_execute_command=None, enable_logging=None, environment=None, family=None, image=None, log_driver=None, max_healthy_percent=None, max_receive_count=None, max_scaling_capacity=None, min_healthy_percent=None, min_scaling_capacity=None, propagate_tags=None, queue=None, retention_period=None, scaling_steps=None, secrets=None, service_name=None, visibility_timeout=None, vpc=None, cpu=None, ephemeral_storage_gib=None, memory_limit_mib=None, platform_version=None, runtime_platform=None, task_definition=None, assign_public_ip=None, container_name=None, health_check=None, security_groups=None, task_subnets=None)

Bases: QueueProcessingServiceBaseProps, FargateServiceBaseProps

The properties for the QueueProcessingFargateService service.

Parameters:
  • capacity_provider_strategies (Optional[Sequence[Union[CapacityProviderStrategy, Dict[str, Any]]]]) – A list of Capacity Provider strategies used to place a service. Default: - undefined

  • circuit_breaker (Union[DeploymentCircuitBreaker, Dict[str, Any], None]) – Whether to enable the deployment circuit breaker. If this property is defined, circuit breaker will be implicitly enabled. Default: - disabled

  • cluster (Optional[ICluster]) – The name of the cluster that hosts the service. If a cluster is specified, the vpc construct should be omitted. Alternatively, you can omit both cluster and vpc. Default: - create a new cluster; if both cluster and vpc are omitted, a new VPC will be created for you.

  • command (Optional[Sequence[str]]) – The command that is passed to the container. If you provide a shell command as a single string, you have to quote command-line arguments. Default: - CMD value built into container image.

  • cooldown (Optional[Duration]) – Grace period after scaling activity in seconds. Subsequent scale outs during the cooldown period are squashed so that only the biggest scale out happens. Subsequent scale ins during the cooldown period are ignored. Default: 300 seconds

  • cpu_target_utilization_percent (Union[int, float, None]) – The target CPU utilization percentage for CPU based scaling strategy when enabled. Default: - 50

  • deployment_controller (Union[DeploymentController, Dict[str, Any], None]) – Specifies which deployment controller to use for the service. For more information, see Amazon ECS Deployment Types Default: - Rolling update (ECS)

  • disable_cpu_based_scaling (Optional[bool]) – Flag to disable CPU based auto scaling strategy on the service. Default: - false

  • enable_ecs_managed_tags (Optional[bool]) – Specifies whether to enable Amazon ECS managed tags for the tasks within the service. For more information, see Tagging Your Amazon ECS Resources Default: false

  • enable_execute_command (Optional[bool]) – Whether ECS Exec should be enabled. Default: - false

  • enable_logging (Optional[bool]) – Flag to indicate whether to enable logging. Default: true

  • environment (Optional[Mapping[str, str]]) – The environment variables to pass to the container. The variable QUEUE_NAME with value queue.queueName will always be passed. Default: ‘QUEUE_NAME: queue.queueName’

  • family (Optional[str]) – The name of a family that the task definition is registered to. A family groups multiple versions of a task definition. Default: - Automatically generated name.

  • image (Optional[ContainerImage]) – The image used to start a container. For QueueProcessingFargateService, either image or taskDefinition must be specified, but not both. For QueueProcessingEc2Service, image is required. Default: - the image of the task definition is used for Fargate, required otherwise

  • log_driver (Optional[LogDriver]) – The log driver to use. Default: - AwsLogDriver if enableLogging is true

  • max_healthy_percent (Union[int, float, None]) – The maximum number of tasks, specified as a percentage of the Amazon ECS service’s DesiredCount value, that can run in a service during a deployment. Default: - default from underlying service.

  • max_receive_count (Union[int, float, None]) – The maximum number of times that a message can be received by consumers. When this value is exceeded for a message the message will be automatically sent to the Dead Letter Queue. If the queue construct is specified, maxReceiveCount should be omitted. Default: 3

  • max_scaling_capacity (Union[int, float, None]) – Maximum capacity to scale to. Default: 2

  • min_healthy_percent (Union[int, float, None]) – The minimum number of tasks, specified as a percentage of the Amazon ECS service’s DesiredCount value, that must continue to run and remain healthy during a deployment. Default: - default from underlying service.

  • min_scaling_capacity (Union[int, float, None]) – Minimum capacity to scale to. Default: 1

  • propagate_tags (Optional[PropagatedTagSource]) – Specifies whether to propagate the tags from the task definition or the service to the tasks in the service. Tags can only be propagated to the tasks within the service during service creation. Default: - none

  • queue (Optional[IQueue]) – A queue for which to process items from. If specified and this is a FIFO queue, the queue name must end in the string ‘.fifo’. See CreateQueue Default: ‘SQSQueue with CloudFormation-generated name’

  • retention_period (Optional[Duration]) – The number of seconds that Dead Letter Queue retains a message. If the queue construct is specified, retentionPeriod should be omitted. Default: Duration.days(14)

  • scaling_steps (Optional[Sequence[Union[ScalingInterval, Dict[str, Any]]]]) – The intervals for scaling based on the SQS queue’s ApproximateNumberOfMessagesVisible metric. Maps a range of metric values to a particular scaling behavior. See Simple and Step Scaling Policies for Amazon EC2 Auto Scaling Default: [{ upper: 0, change: -1 },{ lower: 100, change: +1 },{ lower: 500, change: +5 }]

  • secrets (Optional[Mapping[str, Secret]]) – The secret to expose to the container as an environment variable. Default: - No secret environment variables.

  • service_name (Optional[str]) – The name of the service. Default: - CloudFormation-generated name.

  • visibility_timeout (Optional[Duration]) – Timeout of processing a single message. After dequeuing, the processor has this much time to handle the message and delete it from the queue before it becomes visible again for dequeueing by another processor. Values must be between 0 and (12 hours). If the queue construct is specified, visibilityTimeout should be omitted. Default: Duration.seconds(30)

  • vpc (Optional[IVpc]) – The VPC where the container instances will be launched or the elastic network interfaces (ENIs) will be deployed. If a vpc is specified, the cluster construct should be omitted. Alternatively, you can omit both vpc and cluster. Default: - uses the VPC defined in the cluster or creates a new VPC.

  • cpu (Union[int, float, None]) – The number of cpu units used by the task. Valid values, which determines your range of valid values for the memory parameter: 256 (.25 vCPU) - Available memory values: 0.5GB, 1GB, 2GB 512 (.5 vCPU) - Available memory values: 1GB, 2GB, 3GB, 4GB 1024 (1 vCPU) - Available memory values: 2GB, 3GB, 4GB, 5GB, 6GB, 7GB, 8GB 2048 (2 vCPU) - Available memory values: Between 4GB and 16GB in 1GB increments 4096 (4 vCPU) - Available memory values: Between 8GB and 30GB in 1GB increments 8192 (8 vCPU) - Available memory values: Between 16GB and 60GB in 4GB increments 16384 (16 vCPU) - Available memory values: Between 32GB and 120GB in 8GB increments This default is set in the underlying FargateTaskDefinition construct. Default: 256

  • ephemeral_storage_gib (Union[int, float, None]) – The amount (in GiB) of ephemeral storage to be allocated to the task. The minimum supported value is 21 GiB and the maximum supported value is 200 GiB. Only supported in Fargate platform version 1.4.0 or later. Default: Undefined, in which case, the task will receive 20GiB ephemeral storage.

  • memory_limit_mib (Union[int, float, None]) – The amount (in MiB) of memory used by the task. This field is required and you must use one of the following values, which determines your range of valid values for the cpu parameter: 512 (0.5 GB), 1024 (1 GB), 2048 (2 GB) - Available cpu values: 256 (.25 vCPU) 1024 (1 GB), 2048 (2 GB), 3072 (3 GB), 4096 (4 GB) - Available cpu values: 512 (.5 vCPU) 2048 (2 GB), 3072 (3 GB), 4096 (4 GB), 5120 (5 GB), 6144 (6 GB), 7168 (7 GB), 8192 (8 GB) - Available cpu values: 1024 (1 vCPU) Between 4096 (4 GB) and 16384 (16 GB) in increments of 1024 (1 GB) - Available cpu values: 2048 (2 vCPU) Between 8192 (8 GB) and 30720 (30 GB) in increments of 1024 (1 GB) - Available cpu values: 4096 (4 vCPU) Between 16384 (16 GB) and 61440 (60 GB) in increments of 4096 (4 GB) - Available cpu values: 8192 (8 vCPU) Between 32768 (32 GB) and 122880 (120 GB) in increments of 8192 (8 GB) - Available cpu values: 16384 (16 vCPU) This default is set in the underlying FargateTaskDefinition construct. Default: 512

  • platform_version (Optional[FargatePlatformVersion]) – The platform version on which to run your service. If one is not specified, the LATEST platform version is used by default. For more information, see AWS Fargate Platform Versions in the Amazon Elastic Container Service Developer Guide. Default: Latest

  • runtime_platform (Union[RuntimePlatform, Dict[str, Any], None]) – The runtime platform of the task definition. Default: - If the property is undefined, operatingSystemFamily is LINUX and cpuArchitecture is X86_64

  • task_definition (Optional[FargateTaskDefinition]) – The task definition to use for tasks in the service. TaskDefinition or TaskImageOptions must be specified, but not both. [disable-awslint:ref-via-interface] Default: - none

  • assign_public_ip (Optional[bool]) – Specifies whether the task’s elastic network interface receives a public IP address. If true, each task will receive a public IP address. Default: false

  • container_name (Optional[str]) – Optional name for the container added. This name is not used when taskDefinition is provided. Default: - QueueProcessingContainer

  • health_check (Union[HealthCheck, Dict[str, Any], None]) – The health check command and associated configuration parameters for the container. Default: - Health check configuration from container.

  • security_groups (Optional[Sequence[ISecurityGroup]]) – The security groups to associate with the service. If you do not specify a security group, a new security group is created. Default: - A new security group is created.

  • task_subnets (Union[SubnetSelection, Dict[str, Any], None]) – The subnets to associate with the service. Default: - Public subnets if assignPublicIp is set, otherwise the first available one of Private, Isolated, Public, in that order.

ExampleMetadata:

infused

Example:

# cluster: ecs.Cluster

cluster.enable_fargate_capacity_providers()

queue_processing_fargate_service = ecs_patterns.QueueProcessingFargateService(self, "Service",
    cluster=cluster,
    memory_limit_mi_b=512,
    image=ecs.ContainerImage.from_registry("test"),
    capacity_provider_strategies=[ecs.CapacityProviderStrategy(
        capacity_provider="FARGATE_SPOT",
        weight=2
    ), ecs.CapacityProviderStrategy(
        capacity_provider="FARGATE",
        weight=1
    )
    ]
)

Attributes

assign_public_ip

Specifies whether the task’s elastic network interface receives a public IP address.

If true, each task will receive a public IP address.

Default:

false

capacity_provider_strategies

A list of Capacity Provider strategies used to place a service.

Default:
  • undefined

circuit_breaker

Whether to enable the deployment circuit breaker.

If this property is defined, circuit breaker will be implicitly enabled.

Default:
  • disabled

cluster

The name of the cluster that hosts the service.

If a cluster is specified, the vpc construct should be omitted. Alternatively, you can omit both cluster and vpc.

Default:
  • create a new cluster; if both cluster and vpc are omitted, a new VPC will be created for you.

command

The command that is passed to the container.

If you provide a shell command as a single string, you have to quote command-line arguments.

Default:
  • CMD value built into container image.

container_name

Optional name for the container added.

This name is not used when taskDefinition is provided.

Default:
  • QueueProcessingContainer

cooldown

Grace period after scaling activity in seconds.

Subsequent scale outs during the cooldown period are squashed so that only the biggest scale out happens.

Subsequent scale ins during the cooldown period are ignored.

Default:

300 seconds

See:

https://docs.aws.amazon.com/autoscaling/application/APIReference/API_StepScalingPolicyConfiguration.html

cpu

The number of cpu units used by the task.

Valid values, which determines your range of valid values for the memory parameter:

256 (.25 vCPU) - Available memory values: 0.5GB, 1GB, 2GB

512 (.5 vCPU) - Available memory values: 1GB, 2GB, 3GB, 4GB

1024 (1 vCPU) - Available memory values: 2GB, 3GB, 4GB, 5GB, 6GB, 7GB, 8GB

2048 (2 vCPU) - Available memory values: Between 4GB and 16GB in 1GB increments

4096 (4 vCPU) - Available memory values: Between 8GB and 30GB in 1GB increments

8192 (8 vCPU) - Available memory values: Between 16GB and 60GB in 4GB increments

16384 (16 vCPU) - Available memory values: Between 32GB and 120GB in 8GB increments

This default is set in the underlying FargateTaskDefinition construct.

Default:

256

cpu_target_utilization_percent

The target CPU utilization percentage for CPU based scaling strategy when enabled.

Default:
  • 50

deployment_controller

Specifies which deployment controller to use for the service.

For more information, see Amazon ECS Deployment Types

Default:
  • Rolling update (ECS)

disable_cpu_based_scaling

Flag to disable CPU based auto scaling strategy on the service.

Default:
  • false

enable_ecs_managed_tags

Specifies whether to enable Amazon ECS managed tags for the tasks within the service.

For more information, see Tagging Your Amazon ECS Resources

Default:

false

enable_execute_command

Whether ECS Exec should be enabled.

Default:
  • false

enable_logging

Flag to indicate whether to enable logging.

Default:

true

environment

The environment variables to pass to the container.

The variable QUEUE_NAME with value queue.queueName will always be passed.

Default:

‘QUEUE_NAME: queue.queueName’

ephemeral_storage_gib

The amount (in GiB) of ephemeral storage to be allocated to the task.

The minimum supported value is 21 GiB and the maximum supported value is 200 GiB.

Only supported in Fargate platform version 1.4.0 or later.

Default:

Undefined, in which case, the task will receive 20GiB ephemeral storage.

family

The name of a family that the task definition is registered to.

A family groups multiple versions of a task definition.

Default:
  • Automatically generated name.

health_check

The health check command and associated configuration parameters for the container.

Default:
  • Health check configuration from container.

image

The image used to start a container.

For QueueProcessingFargateService, either image or taskDefinition must be specified, but not both. For QueueProcessingEc2Service, image is required.

Default:
  • the image of the task definition is used for Fargate, required otherwise

log_driver

The log driver to use.

Default:
  • AwsLogDriver if enableLogging is true

max_healthy_percent

The maximum number of tasks, specified as a percentage of the Amazon ECS service’s DesiredCount value, that can run in a service during a deployment.

Default:
  • default from underlying service.

max_receive_count

The maximum number of times that a message can be received by consumers.

When this value is exceeded for a message the message will be automatically sent to the Dead Letter Queue.

If the queue construct is specified, maxReceiveCount should be omitted.

Default:

3

max_scaling_capacity

Maximum capacity to scale to.

Default:

2

memory_limit_mib

The amount (in MiB) of memory used by the task.

This field is required and you must use one of the following values, which determines your range of valid values for the cpu parameter:

512 (0.5 GB), 1024 (1 GB), 2048 (2 GB) - Available cpu values: 256 (.25 vCPU)

1024 (1 GB), 2048 (2 GB), 3072 (3 GB), 4096 (4 GB) - Available cpu values: 512 (.5 vCPU)

2048 (2 GB), 3072 (3 GB), 4096 (4 GB), 5120 (5 GB), 6144 (6 GB), 7168 (7 GB), 8192 (8 GB) - Available cpu values: 1024 (1 vCPU)

Between 4096 (4 GB) and 16384 (16 GB) in increments of 1024 (1 GB) - Available cpu values: 2048 (2 vCPU)

Between 8192 (8 GB) and 30720 (30 GB) in increments of 1024 (1 GB) - Available cpu values: 4096 (4 vCPU)

Between 16384 (16 GB) and 61440 (60 GB) in increments of 4096 (4 GB) - Available cpu values: 8192 (8 vCPU)

Between 32768 (32 GB) and 122880 (120 GB) in increments of 8192 (8 GB) - Available cpu values: 16384 (16 vCPU)

This default is set in the underlying FargateTaskDefinition construct.

Default:

512

min_healthy_percent

The minimum number of tasks, specified as a percentage of the Amazon ECS service’s DesiredCount value, that must continue to run and remain healthy during a deployment.

Default:
  • default from underlying service.

min_scaling_capacity

Minimum capacity to scale to.

Default:

1

platform_version

The platform version on which to run your service.

If one is not specified, the LATEST platform version is used by default. For more information, see AWS Fargate Platform Versions in the Amazon Elastic Container Service Developer Guide.

Default:

Latest

propagate_tags

Specifies whether to propagate the tags from the task definition or the service to the tasks in the service.

Tags can only be propagated to the tasks within the service during service creation.

Default:
  • none

queue

A queue for which to process items from.

If specified and this is a FIFO queue, the queue name must end in the string ‘.fifo’. See CreateQueue

Default:

‘SQSQueue with CloudFormation-generated name’

retention_period

The number of seconds that Dead Letter Queue retains a message.

If the queue construct is specified, retentionPeriod should be omitted.

Default:

Duration.days(14)

runtime_platform

The runtime platform of the task definition.

Default:
  • If the property is undefined, operatingSystemFamily is LINUX and cpuArchitecture is X86_64

scaling_steps

The intervals for scaling based on the SQS queue’s ApproximateNumberOfMessagesVisible metric.

Maps a range of metric values to a particular scaling behavior. See Simple and Step Scaling Policies for Amazon EC2 Auto Scaling

Default:

[{ upper: 0, change: -1 },{ lower: 100, change: +1 },{ lower: 500, change: +5 }]

secrets

The secret to expose to the container as an environment variable.

Default:
  • No secret environment variables.

security_groups

The security groups to associate with the service.

If you do not specify a security group, a new security group is created.

Default:
  • A new security group is created.

service_name

The name of the service.

Default:
  • CloudFormation-generated name.

task_definition

The task definition to use for tasks in the service. TaskDefinition or TaskImageOptions must be specified, but not both.

[disable-awslint:ref-via-interface]

Default:
  • none

task_subnets

The subnets to associate with the service.

Default:
  • Public subnets if assignPublicIp is set, otherwise the first available one of Private, Isolated, Public, in that order.

visibility_timeout

Timeout of processing a single message.

After dequeuing, the processor has this much time to handle the message and delete it from the queue before it becomes visible again for dequeueing by another processor. Values must be between 0 and (12 hours).

If the queue construct is specified, visibilityTimeout should be omitted.

Default:

Duration.seconds(30)

vpc

The VPC where the container instances will be launched or the elastic network interfaces (ENIs) will be deployed.

If a vpc is specified, the cluster construct should be omitted. Alternatively, you can omit both vpc and cluster.

Default:
  • uses the VPC defined in the cluster or creates a new VPC.