Use OOS to start multiple ECS instances with specific tags at a time - Resource Management

A key link for enterprises to implement automated operations and maintenance (O&M) is to quickly find multiple resources on which you want to perform O&M at a time. This can be achieved by using resource tags and CloudOps Orchestration Service (OOS). This topic describes how to use OOS to start multiple Elastic Compute Service (ECS) instances with specific tags at a time.

Step 1: Add tags to ECS instances

In the ECS console or on the Tag page of the Resource Management console, add the business:bigdata tag to ECS instances. In this example, the Tag page of the Resource Management console is used.

Log on to the Resource Management console. The Tags page appears.
In the top navigation bar, select a region.
On the Custom Tags tab, click Create Custom Tags.
In the Create Custom Tags dialog box, create the business:bigdata tag and add the tag to existing ECS instances.
For more information, see Add a custom tag.

Step 2: Start multiple ECS instances with specific tags at a time in the OOS console

Execute the ACS-ECS-BulkyStartInstances public template in the OOS console. In this step, set the template execution object to ECS instances to which the business:bigdata tag is added.

Log on to the OOS console.
In the left-side navigation pane, choose Automated Task > Public Template.
In the top navigation bar, select the desired region.
Note
By default, OOS deployed in a region can be used to manage resources only in this region. For example, OOS deployed in the China (Hangzhou) region can be used to manage ECS instances only in this region. However, OOS provides a method to manage resources deployed in other regions. If you want to call API operations in other regions, specify the region ID in the ACS::ExecuteAPI action. We recommend that you do not use this method. Therefore, in this example, you must make sure that the region of OOS is the same as the region of the ECS instances you specify in Step 1: Add tags to ECS instances. For more information about the limits on OOS, see Limits.
On the Public Template page, find ACS-ECS-BulkyStartInstances and click Create Execution.
On the Create Task page, perform the following steps:
1. In the Basic Information step, keep the default values and click Next Step: Parameter Settings.
  The default value of Execution Mode is Automatic. This value indicates that all tasks in the template will automatically run.
2. In the Parameter Settings step, set TargetInstance to Specify Instance Tags, select business from the Tag key drop-down list and bigdata from the Tag value drop-down list, and then set OOSAssumeRole to Use Existing Permissions of Current Account. Keep the default values for other parameters.
3. Click Next Step: OK.
4. In the OK step, confirm the settings and click Create.
In the Execution Steps and Results section of the page that appears, click Starts the ECS instances.
On the Loop Tasks tab, view the execution result.
All ECS instances to which the business:bigdata tag is added are started.