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