ACS::ECS::StartInstance.yml

FormatVersion: OOS-2019-06-01
Description: Starts an ECS instance.
Parameters:
  regionId:
    Description: The ID of region.
    Type: String
    Default: '{{ ACS::RegionId }}'
  instanceId:
    Description: The ID of ECS instance.
    Type: String
Tasks:
- Name: getInstanceStatus
  Description: Views the ECS instances status.
  Action: ACS::ExecuteApi
  Properties:
    Service: ECS
    API: DescribeInstances
    Parameters:
      RegionId: '{{ regionId }}'
      InstanceIds:
        - '{{ instanceId }}'
  Outputs:
    status:
      Type: String
      ValueSelector: Instances.Instance[].Status
- Name: whetherInstanceIsRunning
  Action: 'ACS::Choice'
  Description: Choose next task by instance status.
  Properties:
    DefaultTask: whetherInstanceIsStarting
    Choices:
      - When:
          'Fn::Equals':
            - 'Running'
            - '{{ getInstanceStatus.status }}'
        NextTask: ACS::END
- Name: whetherInstanceIsStarting
  Action: 'ACS::Choice'
  Description: Choose next task by instance status.
  Properties:
    DefaultTask: startInstance
    Choices:
      - When:
          'Fn::Equals':
            - 'Starting'
            - '{{ getInstanceStatus.status }}'
        NextTask: untilInstanceReady
- Name: startInstance
  Action: ACS::ExecuteAPI
  Description: Starts an ECS instance.
  Properties:
    Service: ECS
    API: StartInstance
    Parameters:
      RegionId: '{{ regionId }}'
      InstanceId: '{{ instanceId }}'
- Name: untilInstanceReady
  Action: ACS::WaitFor
  Description: Waits for the ECS instance to enter running status.
  Properties:
    Service: ECS
    API: DescribeInstances
    Parameters:
      RegionId: '{{ regionId }}'
      InstanceIds:
      - '{{ instanceId }}'
    DesiredValues:
    - Running
    PropertySelector: Instances.Instance[].Status