Amazon EBS Clone Volume via Snapshot

arazzo: 1.0.1
info:
  title: Amazon EBS Clone Volume via Snapshot
  summary: Snapshot a source volume, confirm it, then create a clone volume from it.
  description: >-
    This workflow adapts the requested snapshot-then-block pattern to the
    EC2-style operations the spec actually supports, producing a clone of an
    existing volume. It snapshots the source volume, describes snapshots to
    confirm the new snapshot is visible, and creates a new volume from that
    snapshot in the requested Availability Zone. Every step spells out its
    request inline so the flow can be read and executed without opening the
    underlying OpenAPI description.
  version: 1.0.0
sourceDescriptions:
- name: amazonEbsApi
  url: ../openapi/amazon-ebs-openapi.yml
  type: openapi
workflows:
- workflowId: clone-volume-via-snapshot
  summary: Clone an EBS volume by snapshotting it and creating a new volume.
  description: >-
    Creates a snapshot of the source volume, confirms it via describe, and
    provisions a clone volume from that snapshot.
  inputs:
    type: object
    required:
    - sourceVolumeId
    - snapshotId
    - availabilityZone
    properties:
      sourceVolumeId:
        type: string
        description: The ID of the volume to clone.
      snapshotId:
        type: string
        description: >-
          The ID of the snapshot produced from the source volume. The
          createSnapshot response carries no documented body in this spec, so
          the resulting snapshot id is supplied as an input for the clone step.
      availabilityZone:
        type: string
        description: The Availability Zone in which to create the clone.
      description:
        type: string
        description: A description for the intermediate snapshot.
  steps:
  - stepId: snapshotSource
    description: >-
      Create a snapshot of the source volume to use as the clone basis.
    operationId: createSnapshot
    parameters:
    - name: Action
      in: query
      value: CreateSnapshot
    - name: Version
      in: query
      value: '2016-11-15'
    requestBody:
      contentType: application/x-www-form-urlencoded
      payload:
        VolumeId: $inputs.sourceVolumeId
        Description: $inputs.description
    successCriteria:
    - condition: $statusCode == 200
    outputs:
      statusCode: $statusCode
  - stepId: confirmSnapshot
    description: >-
      Describe snapshots to confirm the source snapshot is visible before
      cloning from it.
    operationId: describeSnapshots
    parameters:
    - name: Action
      in: query
      value: DescribeSnapshots
    - name: Version
      in: query
      value: '2016-11-15'
    - name: SnapshotId
      in: query
      value: $inputs.snapshotId
    successCriteria:
    - condition: $statusCode == 200
    outputs:
      statusCode: $statusCode
  - stepId: createClone
    description: >-
      Create a new EBS volume from the confirmed snapshot in the requested
      Availability Zone.
    operationId: createVolume
    parameters:
    - name: Action
      in: query
      value: CreateVolume
    - name: Version
      in: query
      value: '2016-11-15'
    requestBody:
      contentType: application/x-www-form-urlencoded
      payload:
        AvailabilityZone: $inputs.availabilityZone
        SnapshotId: $inputs.snapshotId
    successCriteria:
    - condition: $statusCode == 200
    outputs:
      cloneVolumeId: $response.body#/volumeId
      state: $response.body#/state
  outputs:
    cloneVolumeId: $steps.createClone.outputs.cloneVolumeId