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ACS-ECS-RemoveFromSLBWhenPreemptibleInstanceInterrupted.yml
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ACS-ECS-RemoveFromSLBWhenPreemptibleInstanceInterrupted.yml
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FormatVersion: OOS-2019-06-01
Description:
en: Remove backend servers from SLB when preemptible instance of current region is about to be interrupted
zh-cn: 当前地域的抢占式实例即将释放时,将实例从其所在负载均衡后端服务器列表移除
name-en: ACS-ECS-RemoveFromSLBWhenPreemptibleInstanceInterrupted
name-zh-cn: 将即将释放的抢占式实例从其所在负载均衡后端服务器列表移除
categories:
- event-trigger
Parameters:
OOSAssumeRole:
Label:
en: OOSAssumeRole
zh-cn: OOS扮演的RAM角色
Type: String
Default: ''
tags:
Type: Json
Label:
en: Tags
zh-cn: 实例的标签
AssociationProperty: Tags
Default: []
RamRole: '{{OOSAssumeRole}}'
Tasks:
- Name: eventTrigger
Description:
en: Monitor the preemptible instance interruption event
zh-cn: 监控抢占式实例的释放事件
Action: 'ACS::EventTrigger'
Properties:
Tags: '{{ tags }}'
Product: ECS
Name:
- 'Instance:PreemptibleInstanceInterruption'
Level:
- WARN
Content:
action: delete
RegionId:
- '{{ ACS::RegionId }}'
Outputs:
instanceId:
ValueSelector: .content.instanceId
Type: String
- Name: describeSLB
Description:
en: Views the SLB id of preemptible instance interrupted
zh-cn: 查询释放的抢占实例所在负载均衡ID
Action: 'ACS::ExecuteAPI'
Properties:
Service: SLB
API: DescribeLoadBalancers
Parameters:
ServerId: '{{ eventTrigger.instanceId }}'
Outputs:
loadBalancerId:
ValueSelector: .LoadBalancers.LoadBalancer[0].LoadBalancerId
Type: String
- Name: setBackendServers
Description:
en: Set the weight of interrupted instance zero on SLB
zh-cn: 将释放的实例在负载均衡上的权重设置为0
Action: 'ACS::ExecuteAPI'
Properties:
Service: SLB
API: SetBackendServers
Parameters:
BackendServers:
- ServerId: '{{ eventTrigger.instanceId }}'
Weight: 0
LoadBalancerId: '{{describeSLB.loadBalancerId}}'
- Name: waitConnectionExpire
Description:
en: Wait created connection expire
zh-cn: 等待已经建立的网络连接断开
Action: 'ACS::Sleep'
Properties:
Duration: 'PT1M'
- Name: removeBackendServers
Description:
en: Remove the interrupted instance from SLB backend servers list
zh-cn: 将释放的实例从负载均衡后端服务器列表上移除
Action: 'ACS::ExecuteAPI'
Properties:
Service: SLB
API: RemoveBackendServers
Parameters:
BackendServers:
- ServerId: '{{ eventTrigger.instanceId }}'
Weight: 0
LoadBalancerId: '{{describeSLB.loadBalancerId}}'
Outputs:
instanceId:
Value: '{{ eventTrigger.instanceId }}'
Type: String
Metadata:
ALIYUN::OOS::Interface:
ParameterGroups:
- Parameters:
- tags
Label:
default:
zh-cn: 选择标签
en: Select Tags
- Parameters:
- OOSAssumeRole
Label:
default:
zh-cn: 高级选项
en: Control Options