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Overview of the infrastructure

Learn which resources the deployment creates and how to securely expose them through the external load balancer
Read time 1 minuteLast updated 4 hours ago

Resources

The solution is designed to be highly available and requires at least two subnets. These subnets serve to ensure the high availability of the following Amazon resources:
  • The Relational Database Service (RDS) Postgres instance
  • The ElastiCache replication group
  • The Elastic Kubernetes Service (EKS) cluster
AWS enables multi-AZ deployments by default. To reduce cloud-related costs, you might want to disable this functionality for test environments. To do so, use the Terraform variable enable_multi_az. After deployment, the following AWS resources are created:
  • The Secrets Manager secret that is used for configuration
  • The RDS Postgres instance
  • The ElastiCache replication group
The following Amazon resources are created by default, but you can disable them in the configuration:
  • The Elastic Compute Cloud (EC2) autoscaling group for MongoDB
  • The EC2 launch template for MongoDB
  • The Elastic Block Storage (EBS) volume for MongoDB
  • The network load balancer for MongoDB
  • The CloudWatch log groups for EKS and MongoDB
  • The Data Lifecyle Management (DLM) lifecycle policy for EBS volumes
  • The Elastic File System (EFS) file system
  • The EKS cluster
  • The EKS node group
  • These EKS add-ons:
    • Amazon CloudWatch Observability
    • EBS Container Storage Interface (CSI) Driver
    • EFS CSI Driver
    • Pod Identity Agent
  • The EC2 instance for a FlexLM license server

External load balancer

To expose the private resources to the public internet while limiting access, the default deployment process provisions these resources:
  • An external load balancer, to be used as ingress. To disable the loader balancer functionality, change the Terraform variable traefik_service_type from 
    LoadBalancer
    to 
    NodePort
    .
  • A list of allowed IP address ranges in Classless Inter-Domain Routing ranges (CIDR) notation, to limit access. To manage this list, use the Terraform variable allowed_ingress_cidrs.

Next steps

Prerequisites for the deployment
Overview of the infrastructure • Unity Cloud • Unity Docs