devops-exercises/topics/aws/exercises/health_checks/solution.md
abregman 99c4e02ecf Rename exercises dir
Name it instead "topics" so it won't be
strange if some topics included "exercises" directory.
2022-08-02 01:53:56 +03:00

34 lines
1.1 KiB
Markdown

## AWS Route 53 - Health Checks
## Requirements
3 web instances in different AZs.
## Objectives
1. For each instance create a health checks with the following properties:
1. Name it after the AZ where the instance resides
2. Failure threshold should be 5
2. Edit the security group of one of your instances and remove HTTP rules.
1. Did it change the status of the health check?
### Solution
#### Console
1. Go to Route 53
2. Click on "Health Checks" in the left-side menu
3. Click on "Create health check"
4. Insert the name: us-east-2
5. What to monitor: endpoint
6. Insert the IP address of the instance
7. Insert the endpoint /health if your web instance supports that endpoint
8. In advanced configuration, set Failure threshold to 5
9. Click on "next" and then on "Create health check"
10. Repeat steps 1-9 for the other two instances you have
1. Go to security group of one of your instances
2. Click on "Actions" -> Edit inbound rules -> Delete HTTP based rules
3. Go back to health checks page and after a couple of seconds you should see that the status becomes "unhealthy"