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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,104 @@ | ||
| locals { | ||
| vpc_az_a = "eu-west-2a" | ||
| vpc_az_b = "eu-west-2b" | ||
| vpc_cidr = "10.0.0.0/16" | ||
| vpc_public_az_a_subnet_cidr = "10.0.0.0/24" | ||
| vpc_public_az_a_subnet_app_ip_address = "10.0.0.4" | ||
| vpc_db_az_a_subnet_cidr = "10.0.11.0/24" | ||
| vpc_db_az_b_subnet_cidr = "10.0.12.0/24" | ||
| } | ||
|
|
||
| # see https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/internet_gateway | ||
| resource "aws_internet_gateway" "main" { | ||
| vpc_id = aws_vpc.db_vpc.id | ||
| tags = { | ||
| Name = var.project_name | ||
| } | ||
| } | ||
|
|
||
| # see https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/vpc | ||
| resource "aws_vpc" "db_vpc" { | ||
| cidr_block = local.vpc_cidr | ||
| tags = { | ||
| Name = var.project_name | ||
| } | ||
| } | ||
|
|
||
| # see https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/subnet | ||
| resource "aws_subnet" "public_az_a" { | ||
| vpc_id = aws_vpc.db_vpc.id | ||
| availability_zone = local.vpc_az_a | ||
| cidr_block = local.vpc_public_az_a_subnet_cidr | ||
| tags = { | ||
| Name = "${var.project_name}-public-az-a" | ||
| } | ||
| } | ||
|
|
||
| # see https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/route_table | ||
| resource "aws_route_table" "public" { | ||
| vpc_id = aws_vpc.db_vpc.id | ||
| route { | ||
| cidr_block = "0.0.0.0/0" | ||
| gateway_id = aws_internet_gateway.main.id | ||
| } | ||
| tags = { | ||
| Name = "${var.project_name}-public" | ||
| } | ||
| } | ||
|
|
||
| # see https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/route_table_association | ||
| resource "aws_route_table_association" "public_az_a" { | ||
| subnet_id = aws_subnet.public_az_a.id | ||
| route_table_id = aws_route_table.public.id | ||
| } | ||
|
|
||
| # see https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/subnet | ||
| resource "aws_subnet" "db_az_a" { | ||
| vpc_id = aws_vpc.db_vpc.id | ||
| availability_zone = local.vpc_az_a | ||
| cidr_block = local.vpc_db_az_a_subnet_cidr | ||
| tags = { | ||
| Name = "${var.project_name}-db-az-a" | ||
| } | ||
| } | ||
|
|
||
| # see https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/subnet | ||
| resource "aws_subnet" "db_az_b" { | ||
| vpc_id = aws_vpc.db_vpc.id | ||
| availability_zone = local.vpc_az_b | ||
| cidr_block = local.vpc_db_az_b_subnet_cidr | ||
| tags = { | ||
| Name = "${var.project_name}-db-az-b" | ||
| } | ||
| } | ||
|
|
||
| # see https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/db_subnet_group | ||
| resource "aws_db_subnet_group" "db" { | ||
| name = "${var.project_name}-db" | ||
| subnet_ids = [aws_subnet.db_az_a.id, aws_subnet.db_az_b.id] | ||
| tags = { | ||
| Name = var.project_name | ||
| } | ||
| } | ||
|
|
||
| # see https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/security_group | ||
| resource "aws_security_group" "db" { | ||
| vpc_id = aws_vpc.db_vpc.id | ||
| name = "db" | ||
| description = "PostgreSQL Database" | ||
| tags = { | ||
| Name = "${var.project_name}-db" | ||
| } | ||
| } | ||
|
|
||
| # see https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/vpc_security_group_ingress_rule | ||
| resource "aws_vpc_security_group_ingress_rule" "db_postgresql" { | ||
| security_group_id = aws_security_group.db.id | ||
| ip_protocol = "tcp" | ||
| cidr_ipv4 = local.vpc_public_az_a_subnet_cidr | ||
| from_port = 5432 | ||
| to_port = 5432 | ||
| tags = { | ||
| Name = "${var.project_name}-db-postgresql" | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,62 @@ | ||
| locals { | ||
| # see https://github.com/porsager/postgres/blob/v3.4.4/src/index.js#L535-L557 | ||
| db_db_admin_connection_string = format( | ||
| "postgres://%s:%s@%s?sslmode=verify-full", | ||
| urlencode(aws_rds_cluster.db.master_username), | ||
| urlencode(aws_rds_cluster.db.master_password), | ||
| aws_rds_cluster.db.endpoint | ||
| ) | ||
| } | ||
|
|
||
|
|
||
| data "aws_availability_zones" "available" {} | ||
|
|
||
| # see https://registry.terraform.io/providers/hashicorp/random/latest/docs/resources/password | ||
| resource "random_password" "db_db_admin_password" { | ||
| length = 16 # min 8. | ||
| min_lower = 1 | ||
| min_upper = 1 | ||
| min_numeric = 1 | ||
| min_special = 1 | ||
| override_special = "!#$%&*()-_=+[]{}<>:?" # NB cannot contain /'"@ | ||
| } | ||
|
|
||
| resource "aws_rds_cluster" "db" { | ||
| cluster_identifier = "${var.project_name}-${var.env}-db" | ||
| engine = "aurora-postgresql" | ||
| engine_mode = "provisioned" | ||
| engine_version = "16.2" | ||
| master_username = "postgres" | ||
| master_password = random_password.db_db_admin_password.result | ||
| db_subnet_group_name = aws_db_subnet_group.db.name | ||
| vpc_security_group_ids = [aws_security_group.db.id] | ||
| availability_zones = [local.vpc_az_a] | ||
| skip_final_snapshot = true | ||
| apply_immediately = true | ||
|
|
||
| serverlessv2_scaling_configuration { | ||
| min_capacity = 0.5 | ||
| max_capacity = 1.0 | ||
| } | ||
| tags = { | ||
| Name = var.project_name | ||
| } | ||
| lifecycle { | ||
| ignore_changes = [ | ||
| availability_zones, | ||
| ] | ||
| } | ||
| } | ||
|
|
||
| resource "aws_rds_cluster_instance" "db" { | ||
| count = 1 | ||
| cluster_identifier = aws_rds_cluster.db.id | ||
| identifier = "${var.project_name}-${var.env}-${count.index}" | ||
| instance_class = "db.serverless" | ||
| engine = aws_rds_cluster.db.engine | ||
| engine_version = aws_rds_cluster.db.engine_version | ||
| apply_immediately = aws_rds_cluster.db.apply_immediately | ||
| tags = { | ||
| Name = "${var.project_name}-${var.env}-${count.index}" | ||
| } | ||
| } |
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