aws_template_block_device_mappings.yaml

jenkinsSpotFleet:
    DependsOn:
      - otherDependencies
    Properties:
      SpotFleetRequestConfigData:
        AllocationStrategy: diversified
        LaunchSpecifications:
          - ImageId:
              Fn::FindInMap:
                - amazonLinuxAmi
                - Ref: AWS::Region
                - AMI
            InstanceType: typeOfInstance
            BlockDeviceMappings:
              - DeviceName: /dev/xvda
                Ebs:
                  DeleteOnTermination: true
                  VolumeSize: 50
            UserData:
              Fn::Base64:
                Fn::Sub: '#!/bin/bash -xe

                  # execute all launch commands

                  '
        TerminateInstancesWithExpiration: true
    Type: AWS::EC2::SpotFleet