ACS::ECS::AlarmSpotPriceByDiscountThresholdWithMultiTypes.yml

FormatVersion: OOS-2019-06-01
Description:
  name-en: ACS::ECS::AlarmSpotPriceByDiscountThresholdWithMultiTypes
  name-zh-cn: 监控多种实例类型的折扣或现价的阈值
  en: Alarm notification when spot instance discount or spot price exceeds threshold in multiple instance type
  zh-cn: 监控多种实例类型的预付费实例的折扣与价格，当超出阈值时发出报警通知
Parameters:
  regionId:
    Description:
      en: The ID of region
      zh-cn: 地域ID
    Type: String
  zoneId:
    Description:
      en: The ID of zone
      zh-cn: 可用区ID
    Type: String
  instanceTypes:
    Description:
      en: The type of ECS instance
      zh-cn: ECS实例类型
    Type: List
  threshold:
    Description:
      en: The discount or price threshold
      zh-cn: 折扣与现价的阈值
    Type: Number
  taskType:
    Description:
      en: The monitoring threshold task type
      zh-cn: 监控阈值的任务类型
    Type: String
Tasks:
  - Name: describeAvailableResource
    Action: 'ACS::ExecuteAPI'
    Description:
      en: Queries the avaliable resource
      zh-cn: 获取可用的资源
    Properties:
      Service: ECS
      API: DescribeAvailableResource
      Parameters:
        RegionId: '{{ regionId }}'
        InstanceType: '{{ ACS::TaskLoopItem }}'
        DestinationResource: InstanceType
        SpotStrategy: SpotWithPriceLimit
        ZoneId: '{{ zoneId }}'
    Outputs:
      instanceType:
        Type: String
        ValueSelector: '. | if .AvailableZones == "" then null else .AvailableZones.AvailableZone[0].AvailableResources.AvailableResource[0].SupportedResources.SupportedResource[0].Value end'
    Loop:
      Items: '{{ instanceTypes }}'
      MaxErrors: 100
      Concurrency: 10
      Outputs:
        instanceTypes:
          AggregateType: 'Fn::ListJoin'
          AggregateField: instanceType
  - Name: checkInstanceTypeSize
    Action: 'ACS::Choice'
    Description:
      en: Choose the next task by the count of available instance types being zero
      zh-cn: 检测实例类型的数量是否为零
    Properties:
      DefaultTask: describeSpotPriceHistory
      Choices:
        - When:
            'Fn::Equals':
              - []
              - 'Fn::MergeList':
                  - '{{ describeAvailableResource.instanceTypes }}'
          NextTask: 'ACS::END'
  - Name: describeSpotPriceHistory
    Action: 'ACS::ExecuteAPI'
    Description:
      en: Queries the latest discounts on spot instance
      zh-cn: 获取抢占式实例最新折扣
    Properties:
      Service: ECS
      API: DescribeSpotPriceHistory
      Parameters:
        RegionId: '{{ regionId }}'
        InstanceType: '{{ ACS::TaskLoopItem }}'
        NetworkType: vpc
        ZoneId: '{{ zoneId }}'
    Outputs:
      discountAndPrice:
        Type: Json
        ValueSelector: '.SpotPrices.SpotPriceType[-1] | {"realThreshold":(.SpotPrice / .OriginPrice * 100), "spotPrice":.SpotPrice, "originPrice":.OriginPrice, "instanceType":.InstanceType}'
    Loop:
      Items:
        'Fn::MergeList':
          - '{{ describeAvailableResource.instanceTypes }}'
      MaxErrors: 100
      Concurrency: 10
      Outputs:
        discountAndPrices:
          AggregateType: 'Fn::ListJoin'
          AggregateField: discountAndPrice
  - Name: alarmThresholdInfo
    Action: 'ACS::ECS::AlarmSpotPriceByDiscountThreshold'
    Description:
      en: Alarm notification when spot instance discount or spot price exceeds threshold
      zh-cn: 当预付费实例的折扣与价格超出阈值时发布报警通知
    Properties:
        regionId: '{{regionId}}'
        zoneId: '{{ zoneId }}'
        discountJsonInfo: '{{ ACS::TaskLoopItem }}'
        threshold: '{{ threshold }}'
        taskType: '{{ taskType }}'
    Outputs:
      instanceTypeThresholdInfos:
        Type: Json
        ValueSelector: discountInfo
    Loop:
      Items: '{{ describeSpotPriceHistory.discountAndPrices }}'
      MaxErrors: 100
      Concurrency: 10
      Outputs:
        allInstanceTypeThresholdInfo:
          AggregateField: instanceTypeThresholdInfos
          AggregateType: 'Fn::ListJoin'
Outputs:
  instanceTypeThresholdInfo:
    Type: Json
    Value: '{{ alarmThresholdInfo.allInstanceTypeThresholdInfo }}'