app/models/packer/PackerBuilderConfig.scala

package models.packer

import play.api.libs.json.{Json, OWrites}

case class BlockDeviceMapping(
    device_name: String = "/dev/sda1",
    volume_size: Int,
    volume_type: String = "gp2",
    delete_on_termination: Boolean = true
)

case class AwsPolling(
    delay_seconds: Int,
    max_attempts: Int
)

case class PackerBuilderConfig(
    name: String,
    `type`: String,
    region: String,
    vpc_id: Option[String],
    subnet_id: Option[String],
    source_ami: String,
    instance_type: String,
    ssh_username: String,
    ssh_interface: String,
    run_tags: Map[String, String],
    ami_name: String,
    ami_description: String,
    ami_users: String,
    snapshot_users: String,
    iam_instance_profile: Option[String],
    tags: Map[String, String],
    ami_block_device_mappings: Option[List[BlockDeviceMapping]],
    launch_block_device_mappings: Option[List[BlockDeviceMapping]],
    security_group_id: Option[String],
    //  Needed for long running bakes
    //  See https://developer.hashicorp.com/packer/integrations/hashicorp/amazon#resourcenotready-error
    aws_polling: Option[AwsPolling]
)

object PackerBuilderConfig {
  implicit val jsonAwsPollingWrites: OWrites[AwsPolling] =
    Json.writes[AwsPolling]
  implicit val jsonDiskWrites: OWrites[BlockDeviceMapping] =
    Json.writes[BlockDeviceMapping]
  implicit val jsonWrites: OWrites[PackerBuilderConfig] =
    Json.writes[PackerBuilderConfig]
}