Amazon Fargate Cluster Inventory Audit

arazzo: 1.0.1
info:
  title: Amazon Fargate Cluster Inventory Audit
  summary: Enumerate clusters, describe one, then list its services and running tasks.
  description: >-
    A read-only audit that builds an inventory of a Fargate footprint. The
    workflow lists clusters, describes the first cluster to pull its detailed
    counts and settings, lists the services running in that cluster, and lists
    its running tasks. Each step inlines its AWS JSON 1.1 request and the
    X-Amz-Target action header so the audit can be read and executed directly.
  version: 1.0.0
sourceDescriptions:
- name: fargateApi
  url: ../openapi/amazon-fargate-openapi.yml
  type: openapi
workflows:
- workflowId: cluster-inventory-audit
  summary: List clusters and describe the first, then enumerate its services and tasks.
  description: >-
    Chains listClusters, describeClusters, listServices, and listTasks to
    produce an at-a-glance inventory of a cluster.
  inputs:
    type: object
    properties:
      maxResults:
        type: integer
        description: Maximum number of clusters/services/tasks to list per call.
        default: 20
  steps:
  - stepId: listClusters
    description: List the cluster ARNs available in the account/region.
    operationId: listClusters
    parameters:
    - name: X-Amz-Target
      in: header
      value: AmazonEC2ContainerServiceV20141113.ListClusters
    requestBody:
      contentType: application/x-amz-json-1.1
      payload:
        maxResults: $inputs.maxResults
    successCriteria:
    - condition: $statusCode == 200
    outputs:
      clusterArns: $response.body#/clusterArns
      firstClusterArn: $response.body#/clusterArns/0
  - stepId: describeFirstCluster
    description: Describe the first cluster to retrieve its counts, settings, and statistics.
    operationId: describeClusters
    parameters:
    - name: X-Amz-Target
      in: header
      value: AmazonEC2ContainerServiceV20141113.DescribeClusters
    requestBody:
      contentType: application/x-amz-json-1.1
      payload:
        clusters:
        - $steps.listClusters.outputs.firstClusterArn
        include:
        - SETTINGS
        - STATISTICS
        - TAGS
    successCriteria:
    - condition: $statusCode == 200
    outputs:
      clusterArn: $response.body#/clusters/0/clusterArn
      runningTasksCount: $response.body#/clusters/0/runningTasksCount
      activeServicesCount: $response.body#/clusters/0/activeServicesCount
  - stepId: listClusterServices
    description: List the service ARNs running in the described cluster.
    operationId: listServices
    parameters:
    - name: X-Amz-Target
      in: header
      value: AmazonEC2ContainerServiceV20141113.ListServices
    requestBody:
      contentType: application/x-amz-json-1.1
      payload:
        cluster: $steps.describeFirstCluster.outputs.clusterArn
        launchType: FARGATE
        maxResults: $inputs.maxResults
    successCriteria:
    - condition: $statusCode == 200
    outputs:
      serviceArns: $response.body#/serviceArns
  - stepId: listClusterTasks
    description: List the running task ARNs in the described cluster.
    operationId: listTasks
    parameters:
    - name: X-Amz-Target
      in: header
      value: AmazonEC2ContainerServiceV20141113.ListTasks
    requestBody:
      contentType: application/x-amz-json-1.1
      payload:
        cluster: $steps.describeFirstCluster.outputs.clusterArn
        desiredStatus: RUNNING
        launchType: FARGATE
        maxResults: $inputs.maxResults
    successCriteria:
    - condition: $statusCode == 200
    outputs:
      taskArns: $response.body#/taskArns
  outputs:
    clusterArns: $steps.listClusters.outputs.clusterArns
    auditedClusterArn: $steps.describeFirstCluster.outputs.clusterArn
    serviceArns: $steps.listClusterServices.outputs.serviceArns
    taskArns: $steps.listClusterTasks.outputs.taskArns