Files
qmi-cloud-tf-modules/databases/aws-rds/main.tf
Manuel Romero 624b174278 s3 sftp
2025-06-26 12:46:02 +02:00

238 lines
6.6 KiB
HCL

terraform {
required_version = ">= 0.14"
required_providers {
aws = {
source = "hashicorp/aws"
}
}
}
resource "random_password" "password" {
length = 16
special = true
override_special = "_!"
upper = true
lower = true
min_numeric = 2
min_lower = 2
min_upper = 2
min_special = 2
}
locals {
provid5 = substr(var.provision_id, 0, 5)
aurora = (var.engine == "aurora-mysql") ? true : (var.engine == "aurora-postgresql") ? true : false
vpc_id = (var.region == "eu-west-1") ? var.vpc_id_eu : (var.region == "us-east-1") ? var.vpc_id_us : var.vpc_id_ap
subnet_ids = (var.region == "eu-west-1") ? var.subnet_ids_eu : (var.region == "us-east-1") ? var.subnet_ids_us : var.subnet_ids_ap
name = (var.engine == "sqlserver-ex") ? null : (var.engine == "oracle-se2") ? "ora${local.provid5}" : "qmi${var.provision_id}"
license = (local.aurora == true) ? "general-public-license" : (var.engine == "mariadb") ? "general-public-license" : (var.engine == "postgres") ? "postgresql-license" : (var.engine == "mysql") ? "general-public-license" : "license-included"
port = var.port[var.engine]
engine_version = var.engine_version[var.engine]
major_engine_version = var.major_engine_version[var.engine]
family = var.family[var.engine]
tags = {
Deployment = "QMI PoC"
"Cost Center" = "3100"
QMI_user = var.user_id
ProvID = var.provision_id
Name = "qmi-${var.provision_id}"
Owner = var.user_id
forced_destroy = var.forced_destroy
}
is_postgres = length(regexall("postgres", local.family)) > 0 ? true : false
is_mysql = length(regexall("mysql", local.family)) > 0 ? true : false
}
module "common_rds_instance" {
source = "terraform-aws-modules/rds/aws"
version = "= 6.1.1"
count = local.aurora? 0 : 1
identifier = "${var.engine}${var.provision_id}"
engine = var.engine
engine_version = local.engine_version
family = local.family # DB parameter group
major_engine_version = local.major_engine_version # DB option group
instance_class = var.instance_size
allocated_storage = var.storage
storage_encrypted = (var.engine == "sqlserver-ex")? false : true
license_model = local.license
db_name = local.name
username = "qmirdsuser"
password = random_password.password.result
manage_master_user_password = false
port = local.port
multi_az = false
subnet_ids = local.subnet_ids
vpc_security_group_ids = [
aws_security_group.allow_tls.id,
aws_security_group.allow_tls_2.id
]
publicly_accessible = true
maintenance_window = "Mon:00:00-Mon:03:00"
backup_window = "03:00-06:00"
backup_retention_period = 1
skip_final_snapshot = true
deletion_protection = false
parameters = local.is_postgres? [
{
apply_method = "pending-reboot"
name = "rds.logical_replication"
value = 1
},
{
apply_method = "pending-reboot"
name = "max_wal_senders"
value = 10
},
{
apply_method = "pending-reboot"
name = "max_replication_slots"
value = 10
}
] : local.is_mysql? [{
name = "binlog_format"
value = "row"
}]: []
tags = local.tags
}
resource "aws_rds_cluster_parameter_group" "pg-postgres" {
count = var.engine == "aurora-postgresql"? 1 : 0
name = "rds-cluster-pg-${var.provision_id}"
family = "aurora-postgresql14"
description = "RDS aurora-postgresql14 cluster parameter group"
parameter {
apply_method = "pending-reboot"
name = "rds.logical_replication"
value = 1
}
parameter {
apply_method = "pending-reboot"
name = "max_wal_senders"
value = 10
}
parameter {
apply_method = "pending-reboot"
name = "max_replication_slots"
value = 10
}
}
resource "aws_rds_cluster_parameter_group" "pg-mysql" {
count = var.engine == "aurora-mysql"? 1 : 0
name = "rds-cluster-pg-${var.provision_id}"
family = "aurora-mysql8.0"
description = "RDS aurora-mysql8.0 cluster parameter group"
parameter {
apply_method = "pending-reboot"
name = "binlog_format"
value = "row"
}
}
module "aurora_rds_instance" {
depends_on = [
aws_rds_cluster_parameter_group.pg-postgres,
aws_rds_cluster_parameter_group.pg-mysql
]
source = "terraform-aws-modules/rds-aurora/aws"
version = "~> 8.3.1"
count = local.aurora? 1 : 0
name = local.name
engine = var.engine
engine_version = local.engine_version
instance_class = var.instance_size
apply_immediately = true
database_name = local.name
instances = { 1 = {} }
autoscaling_enabled = true
autoscaling_min_capacity = 1
autoscaling_max_capacity = 3
vpc_id = local.vpc_id
subnets = local.subnet_ids
create_security_group = false
vpc_security_group_ids = [
aws_security_group.allow_tls.id,
aws_security_group.allow_tls_2.id
]
port = local.port
publicly_accessible = true
master_username = "qmirdsuser"
manage_master_user_password = false
master_password = random_password.password.result
create_db_subnet_group = true
backup_retention_period = 1
skip_final_snapshot = true
deletion_protection = false
tags = local.tags
db_cluster_parameter_group_name = "rds-cluster-pg-${var.provision_id}"
}
locals {
type = (var.engine == "mysql" || var.engine == "mariadb")? "mysql" : (var.engine == "postgres" || var.engine == "aurora-postgres")? "postgres" : (var.engine == "sqlserver-ex")? "mssql" : null
port4dummy = (local.aurora)? module.aurora_rds_instance[0].cluster_port : module.common_rds_instance[0].db_instance_port
host = (local.aurora)? "${module.aurora_rds_instance[0].cluster_endpoint}:${local.port4dummy}" : module.common_rds_instance[0].db_instance_endpoint
username = (local.aurora)? nonsensitive(module.aurora_rds_instance[0].cluster_master_username) : nonsensitive(module.common_rds_instance[0].db_instance_username)
password = nonsensitive(random_password.password.result)
database = (var.engine == "postgres" || var.engine == "aurora-postgres")? "postgres" : local.name
}
module "dummy-data" {
count = var.dummydata != null && local.type != null? 1 : 0
source = "git::https://gitlab.com/qmi/qmi-cloud-tf-modules.git//databases/dummy"
type = local.type
host = local.host
username = local.username
password = local.password
database = local.database
}