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Terraform module for building an aurora cluster using already built VPC and Subnets

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AWS Aurora Cluster

Terraform module for creating an aurora cluster using an existing VPC and Subnets.

It creates and Aurora Cluster (Serverless or not) inside a subnet, and VPC. It creates the necessary Security Groups, and also, if necessary, the security group for the EC2 bastion.

Requirements

Mandatory

  • VPC
  • Subnets
  • Availability Zones

Optional

EC2 for bastion access. If desired, this module will create a security group for RDS and bastion communication.

bastion_access = true

Variables

app_name                = ""
availability_zones      = []
backup_retention_period = 1
db_port                 =
engine_type             = ""
engine_version          = ""
engine_mode             = ""
instance_class          = ""
instances_amount        = 0
master_db_user          = ""
encrypted               = true
scaling_configuration   = {}
bation_sg_id            = ""

Usage

Aurora Serverless

module "aurora" {
  source                  = "[email protected]:DanielDaCosta/aurora-cluster.git"
  app_name                = "example-name"
  availability_zones      = ["us-east-1a", "us-east-1b", "us-east-1c"]
  backup_retention_period = 7
  db_port                 = 5432
  engine_type             = "aurora-postgresql"
  engine_version          = ""
  engine_mode             = "serverless"
  master_db_user          = "postgres"
  encrypted               = true
  bastion_access          = true
  bastion_sg_id           = module.bastion.bastion_sg_id

  scaling_configuration   = {
    auto_pause               = true
    max_capacity             = 4
    min_capacity             = 2
    seconds_until_auto_pause = 600
  }
}

Aurora Cluster Provisioned

Aurora Cluster Provisioned is the default configuration of this module

module "aurora" {
  source                  = "[email protected]:DanielDaCosta/aurora-cluster.git"
  app_name                = "example-name"
  availability_zones      = ["us-east-1a", "us-east-1b", "us-east-1c"]
  backup_retention_period = 10
  db_port                 = 5432
  engine_type             = "aurora-postgresql"
  engine_version          = ""
  instance_class          = "db.r4.large"
  instances_amount        = 2
  master_db_user          = "postgres"
  encrypted               = true
  bastion_access          = true
}

References & Acknowledgements

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