An auto scaling group provides the capability to handle higher traffic throughput by launching new Virtual IPS Sensor instances.
You can follow the below steps to configure an auto scaling group for Probe-based solution:
In AWS, navigate to Services → EC2 → Compute.
In the left panel, under AUTO SCALING, click Auto Scaling Groups.
Click Create an Auto Scaling Group. The Choose launch template or configuration page opens.
Enter the Name for the configuration.
Select the required AMI from Launch template drop-down, and click Next.
The Create Auto Scaling Group page opens.
Define the network and subnet for the group and click Next.
Option
Definition
Network
Launch your instance into an Amazon VPC to get complete control over your virtual networking environment.
Subnet
Subnet where the instances exist
(Optional) Enable Load Balancing.
(Optional) Configure Health checks and Health Check Grace Period.
(Optional) Enable Monitoring to monitor, collect, and analyze metrics about your instances through Amazon CloudWatch.
(Optional) Configure Desired capacity, Minimum capacity, and Maximum capacity of the Auto Scaling group.
Note
When creating the auto scaling group for the first time, you have to launch only one Sensor instance and then create scheduled actions to launch the other Sensor instances.
Note
You can have only 1 External Controller instance at a time.
Select Target tracking scaling policy and configure Scaling policy name, Metric type, Target value, and Instances need to use a scaling policy to dynamically resize your Auto Scaling group.
Enable Instance scale-in protection. Click Next.
Click Add notification to configure notifications to be sent to mail ID during an event of scale out or scale in.
Option
Definition
Send a notification to
Email ID to which the notification has to be sent.
Whenever instances
Parameter for which the notification has to be sent. The parameters are as follows:
launch
terminate
fail to launch
fail to terminate
Click Next to add tags.
Click Add tag to add tags. Define tags to the auto scale group which helps identify the group.
Option
Definition
Key
Key name for the auto scaling group.
Value
Enter the value for the key.
Tag New Instances
When this flag is set, the tag will also be applied to any newly launched instances in this Auto Scaling group.
Click Review to review the configuration defined for the group.
Click Create Auto Scaling Group. The auto scaling group is created and is available in the Auto Scaling Groups page.
To delete an auto scaling group, select the auto scaling group, click Actions, and then Delete.