All Products
Search
Document Center

CloudOps Orchestration Service:ACS-ESS-LifeCycleDownloadOSSFileAndRunCommand

Last Updated:Jan 13, 2025

Template name

ACS-ESS-LifeCycleDownloadOSSFileAndRunCommand

Execute Now

Template description

Uses a lifecycle hook to download an Object Storage Service (OSS) object to Elastic Compute Service (ECS) instances and run commands on the ECS instances.

Template type

Automated

Owner

Alibaba Cloud

Input parameters

Parameter

Description

Type

Required

Default value

Limit

bucketName

The name of the OSS bucket.

String

Yes

objectName

The name of the OSS object.

String

Yes

destinationDir

The directory to which the object is downloaded in the ECS instances.

String

Yes

URLExpirationTime

The validity period of the download URL of the OSS object.

Number

No

6000

OSSRegion

The region in which the OSS bucket resides.

String

No

{{ ACS::RegionId }}

whetherSaveToFile

Specifies whether to save the file content to a specific file.

Boolean

No

True

commandContent

The Cloud Assistant commands to be run on the ECS instance.

String

No

echo hello

timeout

The timeout period for running the commands on the ECS instance.

Number

No

600

regionId

The region ID.

String

No

${regionId}

instanceIds

The IDs of the ECS instances.

List

No

['${instanceIds}']

lifecycleHookId

The lifecycle hook ID.

String

No

${lifecycleHookId}

lifecycleActionToken

The token of a specific scaling activity that is associated with the instances.

String

No

${lifecycleActionToken}

rateControl

The rate control settings.

Json

No

{'Mode': 'Concurrency', 'MaxErrors': 0, 'Concurrency': 10}

OOSAssumeRole

The Resource Access Management (RAM) role that is assumed by CloudOps Orchestration Service (OOS).

String

No

OOSServiceRole

Output parameters

None

Policy that is required to execute the template

{
    "Version": "1",
    "Statement": [
        {
            "Action": [
                "oss:GetObject"
            ],
            "Resource": "*",
            "Effect": "Allow"
        },
        {
            "Action": [
                "ecs:DescribeInstances",
                "ecs:DescribeInvocationResults",
                "ecs:DescribeInvocations",
                "ecs:RunCommand"
            ],
            "Resource": "*",
            "Effect": "Allow"
        },
        {
            "Action": [
                "ess:CompleteLifecycleAction"
            ],
            "Resource": "*",
            "Effect": "Allow"
        }
    ]
}

References

ACS-ESS-LifeCycleDownloadOSSFileAndRunCommand

Template content

FormatVersion: OOS-2019-06-01
Description:
  en: Use lifecycleHook to download OSS file and run command in the specified scaling activity ECS instance
  zh-cn: 使用生命周期挂钩下载OSS文件到ECS实例并执行命令
  name-en: ACS-ESS-LifeCycleDownloadOSSFileAndRunCommand
  name-zh-cn: 使用生命周期挂钩下载OSS文件到ECS实例并执行命令
  categories:
    - elastic_manage
Parameters:
  bucketName:
    Label:
      en: BucketName
      zh-cn: OSS bucket名称
    Type: String
  objectName:
    Label:
      en: ObjectName
      zh-cn: OSS对象名称
    Type: String
  URLExpirationTime:
    Description:
      en: Expiration time of OSS file download url
      zh-cn: OSS文件下载链接的过期时间
    Type: Number
    Default: 6000
  OSSRegion:
    Label:
      en: OSSRegion
      zh-cn: OSS所在地域
    Type: String
    AssociationProperty: RegionId
    Default: '{{ ACS::RegionId }}'
  destinationDir:
    Label:
      en: DestinationDir
      zh-cn: 实例中文件复制的目标目录
    Type: String
  whetherSaveToFile:
    Label:
      en: whetherSaveToFile
      zh-cn: 是否将内容下载到特定文件
    Type: Boolean
    Default: true
  commandContent:
    Label:
      en: CommandContent
      zh-cn: 在ECS实例中执行的云助手命令
    Type: String
    AssociationProperty: Code
    Default: echo hello
  timeout:
    Label:
      en: Timeout
      zh-cn: ECS实例中执行命令的超时时间
    Type: Number
    Default: 600
  regionId:
    Label:
      en: RegionId
      zh-cn: 地域ID
    Description:
      en: The ID of region
      zh-cn: '地域ID,请使用弹性伸缩系统默认值 ${regionId}'
    Type: String
    Default: '${regionId}'
  instanceIds:
    Label:
      en: InstanceIds
      zh-cn: ECS实例ID列表
    Description:
      en: The ID list of the ECS instance
      zh-cn: 'ECS实例ID列表,请使用弹性伸缩系统默认值 ["${instanceId}"]'
    Type: List
    Default:
      - '${instanceIds}'
  lifecycleHookId:
    Label:
      en: LifecycleHookId
      zh-cn: 生命周期挂钩ID
    Description:
      en: The ID of the lifecycle hook
      zh-cn: '生命周期挂钩ID,请使用弹性伸缩系统默认值 ${lifecycleHookId}'
    Type: String
    Default: '${lifecycleHookId}'
  lifecycleActionToken:
    Label:
      en: LifecycleActionToken
      zh-cn: 实例关联的特定伸缩活动的令牌
    Description:
      en: The token that indicates a specific scaling activity associated with an instance
      zh-cn: '实例关联的特定伸缩活动的令牌,请使用弹性伸缩系统默认值 ${lifecycleActionToken}'
    Type: String
    Default: '${lifecycleActionToken}'
  rateControl:
    Label:
      en: RateControl
      zh-cn: 速率控制
    Type: Json
    AssociationProperty: RateControl
    Default:
      Mode: Concurrency
      MaxErrors: 0
      Concurrency: 10
  OOSAssumeRole:
    Label:
      en: OOSAssumeRole
      zh-cn: OOS扮演的RAM角色
    Type: String
    Default: OOSServiceRole
RamRole: '{{ OOSAssumeRole }}'
Tasks:
  - Name: downloadFileAndRunCommand
    OnError: CompleteLifecycleActionForAbandon
    OnSuccess: CompleteLifecycleActionForContinue
    Action: ACS::ECS::DownloadOSSFileAndRunCommand
    Description:
      en: Downloads file to the ECS instances adn run command
      zh-cn: 下载文件到实例并执行命令
    Properties:
      regionId: '{{ regionId }}'
      instanceId: '{{ ACS::TaskLoopItem }}'
      bucketName: '{{ bucketName }}'
      objectName: '{{ objectName }}'
      URLExpirationTime: '{{ URLExpirationTime }}'
      OSSRegion: '{{ OSSRegion }}'
      destinationDir: '{{ destinationDir }}'
      whetherSaveToFile: '{{ whetherSaveToFile }}'
      commandContent: '{{ commandContent }}'
      timeout: '{{ timeout }}'
    Loop:
      RateControl: '{{ rateControl }}'
      Items: '{{ instanceIds }}'
  - Name: CompleteLifecycleActionForContinue
    Action: 'ACS::ExecuteAPI'
    Description:
      en: Modify lifecycle action for continue
      zh-cn: 修改伸缩活动的等待状态为继续完成
    OnSuccess: 'ACS::END'
    Properties:
      Service: ESS
      API: CompleteLifecycleAction
      Parameters:
        RegionId: '{{ regionId }}'
        LifecycleHookId: '{{ lifecycleHookId }}'
        LifecycleActionToken: '{{ lifecycleActionToken }}'
        LifecycleActionResult: CONTINUE
  - Name: CompleteLifecycleActionForAbandon
    Action: 'ACS::ExecuteAPI'
    Description:
      en: Complete lifecycle action for Abandon
      zh-cn: 修改伸缩活动的等待状态为弃用
    Properties:
      Service: ESS
      API: CompleteLifecycleAction
      Parameters:
        RegionId: '{{ regionId }}'
        LifecycleHookId: '{{ lifecycleHookId }}'
        LifecycleActionToken: '{{ lifecycleActionToken }}'
        LifecycleActionResult: ABANDON