Terraform module which creates RDS Aurora resources on AWS.
These types of resources are supported:
- RDS Cluster
- RDS Cluster Instance
- DB Subnet Group
- Application AutoScaling Policy
- Application AutoScaling Target
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.
- Autoscaling of read-replicas (based on CPU utilization)
- Enhanced Monitoring
module "db" {
source = "terraform-aws-modules/rds-aurora/aws"
version = "~> 2.0"
name = "test-aurora-db-postgres96"
engine = "aurora-postgresql"
engine_version = "9.6.9"
vpc_id = "vpc-12345678"
subnets = ["subnet-12345678", "subnet-87654321"]
replica_count = 1
allowed_security_groups = ["sg-12345678"]
allowed_security_groups_count = 1
instance_type = "db.r4.large"
storage_encrypted = true
apply_immediately = true
monitoring_interval = 10
db_parameter_group_name = "default"
db_cluster_parameter_group_name = "default"
enabled_cloudwatch_logs_exports = ["audit", "error", "general", "slowquery"]
tags = {
Environment = "dev"
Terraform = "true"
}
}- PostgreSQL: A simple example with VPC and PostgreSQL cluster.
- MySQL: A simple example with VPC and MySQL cluster.
- Advanced: A PostgreSQL cluster with enhanced monitoring and autoscaling enabled.
Terraform documentation is generated automatically using pre-commit hooks. Follow installation instructions here.
| Name | Description | Type | Default | Required |
|---|---|---|---|---|
| allowed_security_groups | A list of Security Group ID's to allow access to. | list | [] |
no |
| allowed_security_groups_count | The number of Security Groups being added, terraform doesn't let us use length() in a count field | string | "0" |
no |
| apply_immediately | Determines whether or not any DB modifications are applied immediately, or during the maintenance window | bool | "false" |
no |
| auto_minor_version_upgrade | Determines whether minor engine upgrades will be performed automatically in the maintenance window | bool | "true" |
no |
| backup_retention_period | How long to keep backups for (in days) | number | "7" |
no |
| database_name | Name for an automatically created database on cluster creation | string | "" |
no |
| db_cluster_parameter_group_name | The name of a DB Cluster parameter group to use | string | "default.aurora5.6" |
no |
| db_parameter_group_name | The name of a DB parameter group to use | string | "default.aurora5.6" |
no |
| db_subnet_group_name | The existing subnet group name to use | string | "" |
no |
| deletion_protection | If the DB instance should have deletion protection enabled | bool | "false" |
no |
| enabled_cloudwatch_logs_exports | List of log types to export to cloudwatch | list(string) | [] |
no |
| engine | Aurora database engine type, currently aurora, aurora-mysql or aurora-postgresql | string | "aurora" |
no |
| engine_mode | The database engine mode. Valid values: global, parallelquery, provisioned, serverless. | string | "provisioned" |
no |
| engine_version | Aurora database engine version. | string | "5.6.10a" |
no |
| final_snapshot_identifier_prefix | The prefix name to use when creating a final snapshot on cluster destroy, appends a random 8 digits to name to ensure it's unique too. | string | "final" |
no |
| global_cluster_identifier | The global cluster identifier specified on aws_rds_global_cluster | string | "" |
no |
| iam_database_authentication_enabled | Specifies whether IAM Database authentication should be enabled or not. Not all versions and instances are supported. Refer to the AWS documentation to see which versions are supported. | bool | "false" |
no |
| instance_type | Instance type to use | string | n/a | yes |
| kms_key_id | The ARN for the KMS encryption key if one is set to the cluster. | string | "" |
no |
| monitoring_interval | The interval (seconds) between points when Enhanced Monitoring metrics are collected | number | "0" |
no |
| name | Name given resources | string | n/a | yes |
| password | Master DB password | string | "" |
no |
| performance_insights_enabled | Specifies whether Performance Insights is enabled or not. | bool | "false" |
no |
| performance_insights_kms_key_id | The ARN for the KMS key to encrypt Performance Insights data. | string | "" |
no |
| port | The port on which to accept connections | string | "" |
no |
| preferred_backup_window | When to perform DB backups | string | "02:00-03:00" |
no |
| preferred_maintenance_window | When to perform DB maintenance | string | "sun:05:00-sun:06:00" |
no |
| publicly_accessible | Whether the DB should have a public IP address | bool | "false" |
no |
| replica_count | Number of reader nodes to create. If replica_scale_enable is true, the value of replica_scale_min is used instead. |
string | "1" |
no |
| replica_scale_cpu | CPU usage to trigger autoscaling at | number | "70" |
no |
| replica_scale_enabled | Whether to enable autoscaling for RDS Aurora (MySQL) read replicas | bool | "false" |
no |
| replica_scale_in_cooldown | Cooldown in seconds before allowing further scaling operations after a scale in | number | "300" |
no |
| replica_scale_max | Maximum number of replicas to allow scaling for | number | "0" |
no |
| replica_scale_min | Minimum number of replicas to allow scaling for | number | "2" |
no |
| replica_scale_out_cooldown | Cooldown in seconds before allowing further scaling operations after a scale out | number | "300" |
no |
| skip_final_snapshot | Should a final snapshot be created on cluster destroy | bool | "false" |
no |
| snapshot_identifier | DB snapshot to create this database from | string | "" |
no |
| storage_encrypted | Specifies whether the underlying storage layer should be encrypted | bool | "true" |
no |
| subnets | List of subnet IDs to use | list(string) | [] |
no |
| tags | A map of tags to add to all resources. | map(string) | {} |
no |
| username | Master DB username | string | "root" |
no |
| vpc_id | VPC ID | string | n/a | yes |
| vpc_security_group_ids | List of VPC security groups to associate to the cluster in addition to the SG we create in this module | list | [] |
no |
| Name | Description |
|---|---|
| this_rds_cluster_arn | The ID of the cluster |
| this_rds_cluster_database_name | Name for an automatically created database on cluster creation |
| this_rds_cluster_endpoint | The cluster endpoint |
| this_rds_cluster_id | The ID of the cluster |
| this_rds_cluster_instance_endpoints | A list of all cluster instance endpoints |
| this_rds_cluster_master_password | The master password |
| this_rds_cluster_master_username | The master username |
| this_rds_cluster_port | The port |
| this_rds_cluster_reader_endpoint | The cluster reader endpoint |
| this_rds_cluster_resource_id | The Resource ID of the cluster |
| this_security_group_id | The security group ID of the cluster |
Currently maintained by Anton Babenko and these awesome contributors.
MIT Licensed. See LICENSE for full details.
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