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ACS::ECS::AlarmSpotPriceOrDiscountByScalingGroupInstance.yml
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ACS::ECS::AlarmSpotPriceOrDiscountByScalingGroupInstance.yml
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FormatVersion: OOS-2019-06-01
Description:
name-en: ACS::ECS::AlarmSpotPriceOrDiscountByScalingGroupInstance
name-zh-cn: 监控伸缩组内实例的现价或折扣的阈值
en: Alarm notification when spot instance discount or spot price exceeds threshold in the scaling group existing instances
zh-cn: 监控弹性伸缩组弹出的预付费实例的最新价格与折扣，超出阈值时发出报警通知
Parameters:
regionId:
Description:
en: The ID the region
zh-cn: 地域ID
Type: String
threshold:
Description:
en: 'The discount threshold(example:10 is 1% off, 50 is 50% off)'
zh-cn: 折扣阈值（例：输入10是1折，50为5折）
Type: Number
taskType:
Description:
en: Monitoring threshold task type
zh-cn: 监控阈值的任务类型
Type: String
instanceType:
Description:
en: The instance type
zh-cn: ECS实例类型
Type: String
zoneId:
Description:
en: The ID of zone
zh-cn: 可用区ID
Type: String
Tasks:
- Name: describeSpotPriceHistoryInfos
Action: 'ACS::ExecuteAPI'
Description:
en: Queries the latest discounts on spot instance
zh-cn: 获取预付费实例的最新折扣
Properties:
Service: ECS
API: DescribeSpotPriceHistory
Parameters:
RegionId: '{{ regionId }}'
InstanceType: '{{ instanceType }}'
NetworkType: vpc
ZoneId: '{{ zoneId }}'
Outputs:
discountAndPrice:
Type: Json
ValueSelector: '.SpotPrices.SpotPriceType[-1] | {"realThreshold":(.SpotPrice / .OriginPrice * 100), "spotPrice":.SpotPrice, "originPrice":.OriginPrice, "instanceType":.InstanceType}'
- Name: selectTask
Action: 'ACS::Choice'
Description:
en: Queries the type of task that performs the monitoring threshold
zh-cn: 获取监控阈值的任务类型
Properties:
DefaultTask: 'ACS::END'
Choices:
- When:
'Fn::Equals':
- Discount
- '{{ taskType }}'
NextTask: checkDiscountThreshold
- When:
'Fn::Equals':
- Price
- '{{ taskType }}'
NextTask: checkSpotPriceThreshold
- Name: checkDiscountThreshold
Action: 'ACS::Choice'
Description:
en: Check wether the actual discount exceeds the threshold
zh-cn: 检测实际折扣是否超过阈值
Properties:
DefaultTask: 'ACS::END'
Choices:
- When:
'Fn::Equals':
- true
- 'Fn::Jq':
- First
- '.realThreshold >= {{ threshold }}'
- '{{ describeSpotPriceHistoryInfos.discountAndPrice }}'
NextTask: describeSpotPriceHistory
- Name: checkSpotPriceThreshold
Action: 'ACS::Choice'
Description:
en: Check wether the actual price exceeds the threshold
zh-cn: 检测实际价格是否超过阈值
Properties:
DefaultTask: 'ACS::END'
Choices:
- When:
'Fn::Equals':
- true
- 'Fn::Jq':
- First
- '.spotPrice >= {{ threshold }}'
- '{{ describeSpotPriceHistoryInfos.discountAndPrice }}'
NextTask: describeSpotPriceHistory
- Name: describeSpotPriceHistory
Action: 'ACS::ExecuteAPI'
Description:
en: Queries the latest discounts or spot price on spot instance
zh-cn: 获取预付费实例的最新折扣与价格
Properties:
Service: ECS
API: DescribeSpotPriceHistory
Parameters:
RegionId: '{{ regionId }}'
InstanceType: '{{ instanceType }}'
NetworkType: vpc
ZoneId: '{{ zoneId }}'
Outputs:
spotPrice:
Type: String
ValueSelector: '.SpotPrices.SpotPriceType[-1].SpotPrice'
instanceType:
Type: String
ValueSelector: '.SpotPrices.SpotPriceType[-1].InstanceType'
zoneId:
Type: String
ValueSelector: '.SpotPrices.SpotPriceType[-1].ZoneId'
actualDiscount:
Type: String
ValueSelector: '.SpotPrices.SpotPriceType[-1] | .SpotPrice / .OriginPrice * 10000 | floor as $num | $num/100'
Outputs:
discountInfo:
Type: Json
Value:
instanceType: '{{ describeSpotPriceHistory.instanceType }}'
zoneId: '{{ describeSpotPriceHistory.zoneId }}'
spotPrice: '{{ describeSpotPriceHistory.spotPrice }}'
actualDiscount: '"{{ describeSpotPriceHistory.actualDiscount }}"'