Add-ons

In order to support various unique functions for different cloud providers, we provide add-ons.

AWS

The ALM-agent enables you to perform specific actions when Auto Scaling Instances or Spot Instances are terminated.

How ALM Agent Works

• Deregisters the instance from the load balancer.

  • After the instance is deregistered, it no longer receives traffic from the load balancer.

• Executes the specified script.

  • If you put the script named pre_shutdown.sh under the root (/) folder in the Docker Image, the ALM-agent executes the script.

Conditions

• Auto Scaling puts the instance into Terminating:Wait.

• Amazon EC2 will interrupt Spot Instances.