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CloudOps Orchestration Service:ACS-ECS-ScheduleToRebootInstances

Last Updated:Dec 23, 2025

Template name

ACS-ECS-ScheduleToRebootInstances: Schedules the restart of ECS instances

Execute Now

Template description

This template schedules Elastic Compute Service (ECS) instances for restart. It is useful for regular management tasks, such as system maintenance and updates. During configuration, you must provide the region ID (regionId), a cron expression (cron), and the target instances (targets). The template then periodically restarts the specified ECS instances according to the schedule.

Template type

Automated

Owner

Alibaba Cloud

Input parameters

Parameter

Description

Type

Required

Default value

Limit

endDate

The end time of the scheduled task.

String

Yes

targets

Target instance

Json

Yes

regionId

The region ID.

String

No

{{ ACS::RegionId }}

cron

The CRON expression.

String

No

0 0 12 ? * *

timeZone

The time zone.

String

No

UTC

rateControl

Concurrent task execution rate

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

AliyunServiceRoleForOOSInstanceScheduler

Output parameters

Parameter

Description

Type

instanceIds

List

Permission policy that is required to execute the template

{
    "Version": "1",
    "Statement": [
        {
            "Action": [
                "ecs:DescribeInstances",
                "ecs:RebootInstance"
            ],
            "Resource": "*",
            "Effect": "Allow"
        },
        {
            "Action": [
                "oos:GetApplicationGroup"
            ],
            "Resource": "*",
            "Effect": "Allow"
        }
    ]
}

Details

For more information, see ACS-ECS-ScheduleToRebootInstances.yml at GitHub.

Template content

FormatVersion: OOS-2019-06-01
Description:
  en: 'Schedule to reboot ECS instances, applicable to scenarios that require periodic management and reboot of ECS instances, such as system maintenance and updates. During configuration, users need to provide the following required parameter information: Region ID (regionId), which specifies the region of the ECS instances to be operated on, Cron Expression (cron), which defines the schedule for the task, and Target Instances (targets), which defines the specific ECS instances to be operated on. Upon execution, the template will periodically reboot the ECS instances according to the configured schedule.'
  zh-cn: Schedules ECS instances for restart. This is useful for scenarios that require regular instance management, such as system maintenance and updates. During configuration, you must provide the region ID (regionId), a cron expression (cron) for the schedule, and the target instances (targets). The template then periodically restarts the specified ECS instances based on your settings.
  name-en: ACS-ECS-ScheduleToRebootInstances
  name-zh-cn: Schedule ECS instance restart
  categories:
    - time_trigger
Parameters:
  regionId:
    Type: String
    Label:
      en: RegionId
      zh-cn: Region ID
    AssociationProperty: RegionId
    Default: '{{ ACS::RegionId }}'
  cron:
    Description:
      en: 'refer them here: https://www.alibabacloud.com/help/document_detail/169784.html'
      zh-cn: 'For more information, see: https://www.alibabacloud.com/help/document_detail/169784.html'
    Label:
      en: CronExpression
      zh-cn: Cron expression
    Type: String
    AssociationProperty: Cron
    Default: 0 0 12 ? * *
  endDate:
    Description:
      en: 'Format: yyyy-MM-ddTHH:mm:ssZ.'
      zh-cn: 'Format: yyyy-MM-ddTHH:mm:ssZ'
    Label:
      en: EndDate
      zh-cn: Trigger end time
    Type: String
    AssociationProperty: DateTime
    AssociationPropertyMetadata:
      Format: 'YYYY-MM-DDTHH:mm:ssZ'
  timeZone:
    Label:
      en: TimeZone
      zh-cn: Time zone
    Type: String
    AssociationProperty: TimeZone
    Default: UTC
  targets:
    Type: Json
    Label:
      en: TargetInstance
      zh-cn: Target instance
    AssociationProperty: Targets
    AssociationPropertyMetadata:
      ResourceType: 'ALIYUN::ECS::Instance'
      RegionId: regionId
  rateControl:
    Label:
      en: RateControl
      zh-cn: Task execution concurrency rate
    Type: Json
    AssociationProperty: RateControl
    Default:
      Mode: Concurrency
      MaxErrors: 0
      Concurrency: 10
  OOSAssumeRole:
    Label:
      en: OOSAssumeRole
      zh-cn: RAM role assumed by OOS
    Type: String
    Default: AliyunServiceRoleForOOSInstanceScheduler
RamRole: '{{ OOSAssumeRole }}'
Tasks:
- Name: timerTrigger
  Action: ACS::TimerTrigger
  Description:
    en: Triggers a task as scheduled by specifying type and expression
    zh-cn: Triggers a task on a schedule by specifying a type and expression.
  Properties:
    Type: cron
    Expression: '{{ cron }}'
    EndDate: '{{ endDate }}'
    TimeZone: '{{ timeZone }}'
- Name: getInstance
  Description:
    en: Views the ECS instances
    zh-cn: Gets the ECS instances.
  Action: ACS::SelectTargets
  Properties:
    ResourceType: ALIYUN::ECS::Instance
    RegionId: '{{ regionId }}'
    Filters:
      - '{{ targets }}'
- Name: rebootInstance
  Action: ACS::ECS::RebootInstance
  Description:
    en: Restarts the ECS instances
    zh-cn: Restarts the instance.
  Properties:
    regionId: '{{ regionId }}'
    instanceId: '{{ ACS::TaskLoopItem }}'
  Loop:
    Items: '{{ getInstance.Instances.Instance[].InstanceId }}'
    RateControl: '{{ rateControl }}'
Outputs:
  instanceIds:
    Type: List
    Value: '{{ getInstance.Instances.Instance[].InstanceId }}'
Metadata:
  ALIYUN::OOS::Interface:
    ParameterGroups:
      - Parameters:
          - timeZone
          - cron
          - endDate
        Label:
          default:
            zh-cn: Schedule Settings
            en: Timer Trigger Configure
      - Parameters:
          - regionId
          - targets
        Label:
          default:
            zh-cn: Select Instances
            en: Select ECS Instances
      - Parameters:
          - rateControl
          - OOSAssumeRole
        Label:
          default:
            zh-cn: Advanced Options
            en: Control Options