Amazon DocumentDB Decommission Cluster with Final Snapshot

arazzo: 1.0.1
info:
  title: Amazon DocumentDB Decommission Cluster with Final Snapshot
  summary: Verify a cluster exists, delete it with a final snapshot, then poll until it is gone.
  description: >-
    Safely retires an Amazon DocumentDB cluster by first confirming it exists,
    then deleting it while requesting a final cluster snapshot, and finally
    polling the describe endpoint until the cluster can no longer be found. The
    workflow uses the AWS query protocol, supplying the Action and Version in the
    query string and the delete parameters as a form-urlencoded request body, and
    spells out each request inline so the flow can be read and executed without
    opening the underlying OpenAPI description.
  version: 1.0.0
sourceDescriptions:
- name: docdbApi
  url: ../openapi/amazon-documentdb-openapi.yml
  type: openapi
workflows:
- workflowId: decommission-cluster-with-final-snapshot
  summary: Delete a cluster with a final snapshot and confirm removal.
  description: >-
    Confirms the cluster exists, deletes it with SkipFinalSnapshot set to false
    and a final snapshot identifier, then polls until the describe call reports
    the cluster is no longer present.
  inputs:
    type: object
    required:
    - DBClusterIdentifier
    - FinalDBSnapshotIdentifier
    properties:
      DBClusterIdentifier:
        type: string
        description: The identifier of the cluster to delete.
      FinalDBSnapshotIdentifier:
        type: string
        description: The identifier for the final snapshot taken before deletion.
  steps:
  - stepId: confirmCluster
    description: Confirm the cluster exists and capture its current status before deleting.
    operationId: describeDBClusters
    parameters:
    - name: Action
      in: query
      value: DescribeDBClusters
    - name: Version
      in: query
      value: '2014-10-31'
    - name: DBClusterIdentifier
      in: query
      value: $inputs.DBClusterIdentifier
    - name: MaxRecords
      in: query
      value: 1
    successCriteria:
    - condition: $statusCode == 200
    outputs:
      currentStatus: $response.body#/DBClusters/0/Status
  - stepId: deleteCluster
    description: >-
      Delete the cluster, requesting a final snapshot by setting SkipFinalSnapshot
      to false and providing a final snapshot identifier.
    operationId: deleteDBCluster
    parameters:
    - name: Action
      in: query
      value: DeleteDBCluster
    - name: Version
      in: query
      value: '2014-10-31'
    requestBody:
      contentType: application/x-www-form-urlencoded
      payload:
        DBClusterIdentifier: $inputs.DBClusterIdentifier
        SkipFinalSnapshot: false
        FinalDBSnapshotIdentifier: $inputs.FinalDBSnapshotIdentifier
    successCriteria:
    - condition: $statusCode == 200
  - stepId: pollUntilGone
    description: >-
      Describe the cluster repeatedly. While it is still returned and reports a
      deleting status, loop back here; when the describe call returns 404 the
      cluster has been fully removed.
    operationId: describeDBClusters
    parameters:
    - name: Action
      in: query
      value: DescribeDBClusters
    - name: Version
      in: query
      value: '2014-10-31'
    - name: DBClusterIdentifier
      in: query
      value: $inputs.DBClusterIdentifier
    - name: MaxRecords
      in: query
      value: 1
    successCriteria:
    - condition: $statusCode == 200 || $statusCode == 404
    outputs:
      statusCode: $statusCode
    onSuccess:
    - name: clusterGone
      type: end
      criteria:
      - condition: $statusCode == 404
    - name: stillDeleting
      type: goto
      stepId: pollUntilGone
      criteria:
      - condition: $statusCode == 200
  outputs:
    DBClusterIdentifier: $inputs.DBClusterIdentifier
    finalStatusCode: $steps.pollUntilGone.outputs.statusCode