devops-exercises/exercises/aws/solutions/mysql_db.md

AWS Databases - MySQL DB

Objectives

1. Create a MySQL database with the following properties

• Instance type: db.t2.micro
• gp2 storage
• Storage Auto scaling should be enabled and threshold should be set to 500 GiB
• Public access should be enabled
• Port should be set to 3306
• DB name: 'db'
• Backup retention: 10 days

2. Create read replica for the database you've created

Solution

Console

1. Go to RDS service

2. Click on "Databases" in the left side menu and click on the "Create database" button

3. Choose "standard create"

4. Choose "MySQL" and the recommended version

5. Choose "Production" template

6. Specify DB instance identifier

7. Specify Credentials (master username and password)

8. Choose DB instance type: Burstable classes, db.t2.micro

9. Choose "gp2" as storage

10. Enable storage autoscalling: maximum storage threshold of 500 GiB

11. Choose "Do not create a standby instance"

12. Choose a default VPC and subnet

13. Check "Yes" for public access

14. Choose "No preference" for AZ

15. Database port should be 3306

16. For authentication, choose "Password and IAM database authentication"

17. Set initial database name as "db"

18. Increase backup retention period to 10 days

19. Click on "Create database" button

20. Go to the database under "Databases" in the left side menu

21. Click on "Actions" -> Create read replica

22. Click on "Create read replica"