Cannot trigger a Fargate Task with a CloudWatch event using CloudFormation.

NetworkConfiguration and LaunchType are not supported.

Cloudformation Template:

ScheduleExample:
  Type: AWS::Events::Rule
  Properties:
    Description: Run every 1 hour.
    ScheduleExpression: "rate(1 hour)"
    State: ENABLED
    Targets:

      - Arn: !GetAtt ECSCluster.Arn
        Id: 'Target Example'
        RoleArn: !GetAtt ECSEventRole.Arn
        EcsParameters:
          TaskCount: 1
          TaskDefinitionArn: !Ref TaskDefinition
          LaunchType: FARGATE
          NetworkConfiguration:
            awsvpcConfiguration:
              AssignPublicIp: ENABLED
              SecurityGroups: [...]
              Subnets: [...]

Status Reason

Encountered unsupported property LaunchType
Encountered unsupported property NetworkConfiguration

CloudWatch Event API ECS Parameters:

https://docs.aws.amazon.com/AmazonCloudWatchEvents/latest/APIReference/API_EcsParameters.html

• Group
• LaunchType
• NetworkConfiguration
• PlatformVersion
• TaskCount
• TaskDefinitionArn

AWS::Events::Rule ECS Parameters:

https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-events-rule-ecsparameters.html

• TaskCount
• TaskDefinitionArn

Only Solutions?

• Configure NetworkConfiguration and LaunchType using the console.
• CloudWatch Event triggering a Lambda that makes a run_task API request to ECS.