AWS RDS Terraform module

Terraform module which creates RDS resources on AWS.

These types of resources are supported:

Root module calls these modules which can also be used separately to create independent resources:

db_instance - creates RDS DB instance
db_subnet_group - creates RDS DB subnet group
db_parameter_group - creates RDS DB parameter group
db_option_group - creates RDS DB option group

Terraform versions

Terraform 0.12. Pin module version to ~> v2.0. Submit pull-requests to master branch.

Terraform 0.11. Pin module version to ~> v1.0. Submit pull-requests to terraform011 branch.

Usage

module "db" {
  source  = "terraform-aws-modules/rds/aws"
  version = "~> 2.0"

  identifier = "demodb"

  engine            = "mysql"
  engine_version    = "5.7.19"
  instance_class    = "db.t2.large"
  allocated_storage = 5

  name     = "demodb"
  username = "user"
  password = "YourPwdShouldBeLongAndSecure!"
  port     = "3306"

  iam_database_authentication_enabled = true

  vpc_security_group_ids = ["sg-12345678"]

  maintenance_window = "Mon:00:00-Mon:03:00"
  backup_window      = "03:00-06:00"

  # Enhanced Monitoring - see example for details on how to create the role
  # by yourself, in case you don't want to create it automatically
  monitoring_interval = "30"
  monitoring_role_name = "MyRDSMonitoringRole"
  create_monitoring_role = true

  tags = {
    Owner       = "user"
    Environment = "dev"
  }

  # DB subnet group
  subnet_ids = ["subnet-12345678", "subnet-87654321"]

  # DB parameter group
  family = "mysql5.7"

  # DB option group
  major_engine_version = "5.7"

  # Snapshot name upon DB deletion
  final_snapshot_identifier = "demodb"

  # Database Deletion Protection
  deletion_protection = true

  parameters = [
    {
      name = "character_set_client"
      value = "utf8"
    },
    {
      name = "character_set_server"
      value = "utf8"
    }
  ]

  options = [
    {
      option_name = "MARIADB_AUDIT_PLUGIN"

      option_settings = [
        {
          name  = "SERVER_AUDIT_EVENTS"
          value = "CONNECT"
        },
        {
          name  = "SERVER_AUDIT_FILE_ROTATIONS"
          value = "37"
        },
      ]
    },
  ]
}

Conditional creation

There is also a way to specify an existing database subnet group and parameter group name instead of creating new resources like this:

# This RDS instance will be created using default database subnet and parameter group
module "db" {
  source = "terraform-aws-modules/rds/aws"

  db_subnet_group_name = "default"
  parameter_group_name = "default.mysql5.7"

  # ... omitted
}

Examples

Notes

This module does not create RDS security group. Use terraform-aws-security-group module for this.

Providers

No provider.

Inputs

Name	Description	Type	Default	Required
allocated_storage	The allocated storage in gigabytes	`string`	n/a	yes
allow_major_version_upgrade	Indicates that major version upgrades are allowed. Changing this parameter does not result in an outage and the change is asynchronously applied as soon as possible	`bool`	`false`	no
apply_immediately	Specifies whether any database modifications are applied immediately, or during the next maintenance window	`bool`	`false`	no
auto_minor_version_upgrade	Indicates that minor engine upgrades will be applied automatically to the DB instance during the maintenance window	`bool`	`true`	no
availability_zone	The Availability Zone of the RDS instance	`string`	`""`	no
backup_retention_period	The days to retain backups for	`number`	`1`	no
backup_window	The daily time range (in UTC) during which automated backups are created if they are enabled. Example: '09:46-10:16'. Must not overlap with maintenance_window	`string`	n/a	yes
ca_cert_identifier	Specifies the identifier of the CA certificate for the DB instance	`string`	`"rds-ca-2019"`	no
character_set_name	(Optional) The character set name to use for DB encoding in Oracle instances. This can't be changed. See Oracle Character Sets Supported in Amazon RDS for more information	`string`	`""`	no
copy_tags_to_snapshot	On delete, copy all Instance tags to the final snapshot (if final_snapshot_identifier is specified)	`bool`	`false`	no
create_db_instance	Whether to create a database instance	`bool`	`true`	no
create_db_option_group	(Optional) Create a database option group	`bool`	`true`	no
create_db_parameter_group	Whether to create a database parameter group	`bool`	`true`	no
create_db_subnet_group	Whether to create a database subnet group	`bool`	`true`	no
create_monitoring_role	Create IAM role with a defined name that permits RDS to send enhanced monitoring metrics to CloudWatch Logs.	`bool`	`false`	no
db_subnet_group_name	Name of DB subnet group. DB instance will be created in the VPC associated with the DB subnet group. If unspecified, will be created in the default VPC	`string`	`""`	no
deletion_protection	The database can't be deleted when this value is set to true.	`bool`	`false`	no
enabled_cloudwatch_logs_exports	List of log types to enable for exporting to CloudWatch logs. If omitted, no logs will be exported. Valid values (depending on engine): alert, audit, error, general, listener, slowquery, trace, postgresql (PostgreSQL), upgrade (PostgreSQL).	`list(string)`	`[]`	no
engine	The database engine to use	`string`	n/a	yes
engine_version	The engine version to use	`string`	n/a	yes
family	The family of the DB parameter group	`string`	`""`	no
final_snapshot_identifier	The name of your final DB snapshot when this DB instance is deleted.	`string`	n/a	yes
iam_database_authentication_enabled	Specifies whether or mappings of AWS Identity and Access Management (IAM) accounts to database accounts is enabled	`bool`	`false`	no
identifier	The name of the RDS instance, if omitted, Terraform will assign a random, unique identifier	`string`	n/a	yes
instance_class	The instance type of the RDS instance	`string`	n/a	yes
iops	The amount of provisioned IOPS. Setting this implies a storage_type of 'io1'	`number`	`0`	no
kms_key_id	The ARN for the KMS encryption key. If creating an encrypted replica, set this to the destination KMS ARN. If storage_encrypted is set to true and kms_key_id is not specified the default KMS key created in your account will be used	`string`	`""`	no
license_model	License model information for this DB instance. Optional, but required for some DB engines, i.e. Oracle SE1	`string`	`""`	no
maintenance_window	The window to perform maintenance in. Syntax: 'ddd:hh24:mi-ddd:hh24:mi'. Eg: 'Mon:00:00-Mon:03:00'	`string`	n/a	yes
major_engine_version	Specifies the major version of the engine that this option group should be associated with	`string`	`""`	no
max_allocated_storage	Specifies the value for Storage Autoscaling	`number`	`0`	no
monitoring_interval	The interval, in seconds, between points when Enhanced Monitoring metrics are collected for the DB instance. To disable collecting Enhanced Monitoring metrics, specify 0. The default is 0. Valid Values: 0, 1, 5, 10, 15, 30, 60.	`number`	`0`	no
monitoring_role_arn	The ARN for the IAM role that permits RDS to send enhanced monitoring metrics to CloudWatch Logs. Must be specified if monitoring_interval is non-zero.	`string`	`""`	no
monitoring_role_name	Name of the IAM role which will be created when create_monitoring_role is enabled.	`string`	`"rds-monitoring-role"`	no
multi_az	Specifies if the RDS instance is multi-AZ	`bool`	`false`	no
name	The DB name to create. If omitted, no database is created initially	`string`	`""`	no
option_group_description	The description of the option group	`string`	`""`	no
option_group_name	Name of the DB option group to associate	`string`	`""`	no
option_group_timeouts	Define maximum timeout for deletion of `aws_db_option_group` resource	`map(string)`	{ "delete": "15m" }	no
options	A list of Options to apply.	`any`	`[]`	no
parameter_group_description	Description of the DB parameter group to create	`string`	`""`	no
parameter_group_name	Name of the DB parameter group to associate or create	`string`	`""`	no
parameters	A list of DB parameters (map) to apply	`list(map(string))`	`[]`	no
password	Password for the master DB user. Note that this may show up in logs, and it will be stored in the state file	`string`	n/a	yes
performance_insights_enabled	Specifies whether Performance Insights are enabled	`bool`	`false`	no
performance_insights_retention_period	The amount of time in days to retain Performance Insights data. Either 7 (7 days) or 731 (2 years).	`number`	`7`	no
port	The port on which the DB accepts connections	`string`	n/a	yes
publicly_accessible	Bool to control if instance is publicly accessible	`bool`	`false`	no
replicate_source_db	Specifies that this resource is a Replicate database, and to use this value as the source database. This correlates to the identifier of another Amazon RDS Database to replicate.	`string`	`""`	no
skip_final_snapshot	Determines whether a final DB snapshot is created before the DB instance is deleted. If true is specified, no DBSnapshot is created. If false is specified, a DB snapshot is created before the DB instance is deleted, using the value from final_snapshot_identifier	`bool`	`true`	no
snapshot_identifier	Specifies whether or not to create this database from a snapshot. This correlates to the snapshot ID you'd find in the RDS console, e.g: rds:production-2015-06-26-06-05.	`string`	`""`	no
storage_encrypted	Specifies whether the DB instance is encrypted	`bool`	`false`	no
storage_type	One of 'standard' (magnetic), 'gp2' (general purpose SSD), or 'io1' (provisioned IOPS SSD). The default is 'io1' if iops is specified, 'standard' if not. Note that this behaviour is different from the AWS web console, where the default is 'gp2'.	`string`	`"gp2"`	no
subnet_ids	A list of VPC subnet IDs	`list(string)`	`[]`	no
tags	A mapping of tags to assign to all resources	`map(string)`	`{}`	no
timeouts	(Optional) Updated Terraform resource management timeouts. Applies to `aws_db_instance` in particular to permit resource management times	`map(string)`	{ "create": "40m", "delete": "40m", "update": "80m" }	no
timezone	(Optional) Time zone of the DB instance. timezone is currently only supported by Microsoft SQL Server. The timezone can only be set on creation. See MSSQL User Guide for more information.	`string`	`""`	no
use_parameter_group_name_prefix	Whether to use the parameter group name prefix or not	`bool`	`true`	no
username	Username for the master DB user	`string`	n/a	yes
vpc_security_group_ids	List of VPC security groups to associate	`list(string)`	`[]`	no

Outputs

Name	Description
enhanced_monitoring_iam_role_arn	The Amazon Resource Name (ARN) specifying the monitoring role
enhanced_monitoring_iam_role_name	The name of the monitoring role
this_db_instance_address	The address of the RDS instance
this_db_instance_arn	The ARN of the RDS instance
this_db_instance_availability_zone	The availability zone of the RDS instance
this_db_instance_ca_cert_identifier	Specifies the identifier of the CA certificate for the DB instance
this_db_instance_endpoint	The connection endpoint
this_db_instance_hosted_zone_id	The canonical hosted zone ID of the DB instance (to be used in a Route 53 Alias record)
this_db_instance_id	The RDS instance ID
this_db_instance_name	The database name
this_db_instance_password	The database password (this password may be old, because Terraform doesn't track it after initial creation)
this_db_instance_port	The database port
this_db_instance_resource_id	The RDS Resource ID of this instance
this_db_instance_status	The RDS instance status
this_db_instance_username	The master username for the database
this_db_option_group_arn	The ARN of the db option group
this_db_option_group_id	The db option group id
this_db_parameter_group_arn	The ARN of the db parameter group
this_db_parameter_group_id	The db parameter group id
this_db_subnet_group_arn	The ARN of the db subnet group
this_db_subnet_group_id	The db subnet group name

Authors

Currently maintained by these awesome contributors. Migrated from terraform-community-modules/tf_aws_rds, where it was maintained by these awesome contributors. Module managed by Anton Babenko.

License

Apache 2 Licensed. See LICENSE for full details.

License

mtpdevops/terraform-aws-rds

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