45 lines
2.0 KiB
Markdown
45 lines
2.0 KiB
Markdown
## AWS ELB - ALB Multiple Target Groups
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### Requirements
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Two EC2 instances with a simple web application that shows the web page with the string "Hey, it's a me, `<HOSTNAME>`!"
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One EC2 instance with a simple web application that shows the web page with the string "Hey, it's only a test..." under the endpoint /test
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### Objectives
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1. Create an application load balancer for the two instances you have, with the following properties
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1. healthy threshold: 3
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2. unhealthy threshold: 3
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3. interval: 10 seconds
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2. Create another target group for the third instance
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1. Traffic should be forwarded to this group based on the "/test" path
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### Solution
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#### Console
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1. Go to EC2 service
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2. Click in the left side menu on "Load balancers" under "Load balancing"
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3. Click on "Create load balancer"
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4. Choose "Application Load Balancer"
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5. Insert a name for the LB
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6. Choose an AZ where you want the LB to operate
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7. Choose a security group
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8. Under "Listeners and routing" click on "Create target group" and choose "Instances"
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1. Provide a name for the target group
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2. Set healthy threshold to 3
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3. Set unhealthy threshold to 3
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4. Set interval to 10 seconds
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5. Click on "Next" and choose two out of three instances you've created
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6. Click on "Create target group"
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9. Refresh target groups and choose the one you've just created
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10. Click on "Create load balancer" and wait for it to be provisioned
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11. In the left side menu click on "Target Groups" under "Load Balancing"
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12. Click on "Create target group"
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13. Set it with the same properties as previous target group but this time, add the third instance that you didn't include in the previous target group
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14. Go back to your ALB and under "Listeners" click on "Edit rules" under your current listener
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1. Add a rule where if the path is "/test" then traffic should be forwarded to the second target group you've created
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2. Click on "Save"
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15. Test it by going to the browser, insert the address and add "/test" to the address
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