Migration from proxmox to aws

As a DevOps intern tasked with migrating a production application from Proxmox to AWS, you'll need to follow a structured approach. Here are the steps to migrate your Spring Boot application and MySQL database from Proxmox VMs to AWS:

1. Assess and Plan:

   • Analyze the current architecture and resource requirements of your Spring Boot application and MySQL database.
   • Determine the appropriate AWS services for your application (e.g., Amazon EC2 for the Spring Boot app, Amazon RDS for MySQL).
   • Create a migration strategy and timeline.

2. Set up AWS Environment:

   • Create an AWS account if you don't have one.
   • Set up the necessary networking components (VPC, subnets, security groups).
   • Configure IAM roles and permissions for secure access.

3. Prepare for Migration:

   • Install and configure AWS Application Migration Service in your target AWS region.
   • Install the AWS Replication Agent on your Proxmox VMs (source servers).
   • Create a Replication Settings template in AWS, specifying details like subnet, instance type, and EBS settings.

4. Data Migration:

   • For the MySQL database, consider using AWS Database Migration Service (DMS) to migrate data to Amazon RDS.
   • For the Spring Boot application, use AWS Application Migration Service to replicate the VM.

5. Application Migration:

   • Wait for the initial sync to complete after installing the replication agent.
   • Launch a test instance in AWS to verify the migrated environment.
   • Perform acceptance testing on the test instance.
   • Configure any necessary post-launch actions.

6. Cutover:

   • Schedule a maintenance window for the final cutover.
   • Ensure there's no replication lag.
   • Stop all services on the source Proxmox VMs.
   • Launch cutover instances in AWS.
   • Update DNS or load balancer settings to point to the new AWS instances.

7. Validate and Optimize:

   • Verify that the application is functioning correctly in AWS.
   • Monitor performance and make necessary optimizations.
   • Implement AWS-specific best practices for security and scalability.

8. Decommission:

   • Once you've confirmed successful migration and stable operation in AWS, archive and decommission the source Proxmox VMs.

Remember to communicate clearly with your team throughout the process, document each step, and be prepared with a rollback plan in case of unexpected issues. As you're new to Proxmox, don't hesitate to ask for help from more experienced team members, especially when dealing with the source environment.

Sources
Migration workflow - Application Migration Service
Migrate an on-premises VM to Amazon EC2 by using AWS Application Migration Service - AWS Prescriptive Guidance
Community | On-premises to AWS cloud migration: Step-by-step guide
Community | Migrate your existing applications to AWS Cloud: A comprehensive guide