ACS::ECS::DeletePrepaidInstance.yml

FormatVersion: OOS-2019-06-01
Description: Deletes ECS instance by specifying instance ID.
Parameters:
  regionId:
    Description: The ID of region.
    Type: String
    Default: '{{ ACS::RegionId }}'
  instanceId:
    Description: The ID of ECS instance.
    Type: String
    MinLength: 1
    MaxLength: 30
Tasks:
  - Name: modifyInstanceChargeType
    Action: 'ACS::ExecuteAPI'
    Description: Modify the charge type for prepaid instances to postpaid.
    Properties:
      Service: ECS
      API: ModifyInstanceChargeType
      Parameters:
        RegionId: '{{ regionId }}'
        InstanceIds:
          - '{{ instanceId }}'
        InstanceChargeType: PostPaid
  - Name: untilInstanceChargeTypeReady
    Action: 'ACS::WaitFor'
    Description: Waits for the instances ChargeType ready.
    Properties:
      Service: ECS
      API: DescribeInstances
      Parameters:
        RegionId: '{{ regionId }}'
        InstanceIds:
          - '{{ instanceId }}'
      DesiredValues:
        - PostPaid
      PropertySelector: 'Instances.Instance[].InstanceChargeType'
  - 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: whetherInstanceIsReady
    Action: 'ACS::Choice'
    Description: Choose next task by instance status.
    Properties:
      DefaultTask: stopInstance
      Choices:
        - When:
            'Fn::Equals':
              - Stopped
              - '{{ getInstanceStatus.status }}'
          NextTask: deleteInstance
  - Name: stopInstance
    Action: 'ACS::ExecuteAPI'
    Description: Stops an ECS instance.
    Properties:
      Service: ECS
      API: StopInstance
      Parameters:
        RegionId: '{{ regionId }}'
        InstanceId: '{{ instanceId }}'
  - Name: untilInstanceReady
    Action: 'ACS::WaitFor'
    Description: Waits for the ECS instance to enter Stopped status.
    Properties:
      Service: ECS
      API: DescribeInstances
      Parameters:
        RegionId: '{{ regionId }}'
        InstanceIds:
          - '{{ instanceId }}'
      DesiredValues:
        - Stopped
      PropertySelector: 'Instances.Instance[].Status'
  - Name: deleteInstance
    Action: 'ACS::ExecuteAPI'
    Description: Deletes ECS instance with the specified instance ID.
    Properties:
      Service: ECS
      API: DeleteInstance
      Parameters:
        RegionId: '{{ regionId }}'
        InstanceId: '{{ instanceId }}'