A DevOps team created a Calm blueprint that includes the scale-out of the application layer (made with Linux VMs). Now the DevOps team would like to automate the scale-out using a third- party tool…

Question

Options

• AContact professional services to modify the third-party tool to add the Calm integration.
• BCreate a Playbook with a webhook as a trigger and a REST API call as an action
• CCreate script to run the Calm scale out action.
• DConfigure an alert to notify the administrator.

• A
  3% (1)
• B
  81% (26)
• C
  6% (2)
• D
  9% (3)

Explanation

The best way to automate the scale-out of the application layer using a third-party tool is to create a Playbook with a webhook as a trigger and a REST API call as an action. A webhook is a mechanism that allows a third-party service to send a notification to a Calm server when a certain event occurs, such as a code commit or a build completion. A REST API call is a way to interact with the Calm server programmatically, such as launching a blueprint or scaling out a service. By creating a Playbook that combines these two elements, the administrator can enable the third- party tool to trigger the scale- out action on the Calm server with a single command. The other options are either not feasible, not efficient, or not relevant for this task.

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