Terraform module to provision an RDS Aurora cluster for MySQL or Postgres.
Supports Amazon Aurora Serverless.
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module "rds_cluster_aurora_postgres" {
source = "git::https://github.com/cloudposse/terraform-aws-rds-cluster.git?ref=master"
name = "postgres"
engine = "aurora-postgresql"
cluster_family = "aurora-postgresql9.6"
cluster_size = "2"
namespace = "eg"
stage = "dev"
admin_user = "admin1"
admin_password = "Test123456789"
db_name = "dbname"
db_port = "5432"
instance_type = "db.r4.large"
vpc_id = "vpc-xxxxxxxx"
security_groups = ["sg-xxxxxxxx"]
subnets = ["subnet-xxxxxxxx", "subnet-xxxxxxxx"]
zone_id = "Zxxxxxxxx"
}module "rds_cluster_aurora_mysql_serverless" {
source = "git::https://github.com/cloudposse/terraform-aws-rds-cluster.git?ref=master"
namespace = "eg"
stage = "dev"
name = "db"
engine = "aurora"
engine_mode = "serverless"
cluster_family = "aurora5.6"
cluster_size = "0"
admin_user = "admin1"
admin_password = "Test123456789"
db_name = "dbname"
db_port = "3306"
instance_type = "db.t2.small"
vpc_id = "vpc-xxxxxxxx"
security_groups = ["sg-xxxxxxxx"]
subnets = ["subnet-xxxxxxxx", "subnet-xxxxxxxx"]
zone_id = "Zxxxxxxxx"
scaling_configuration = [
{
auto_pause = true
max_capacity = 256
min_capacity = 2
seconds_until_auto_pause = 300
},
]
}module "rds_cluster_aurora_mysql" {
source = "git::https://github.com/cloudposse/terraform-aws-rds-cluster.git?ref=master"
engine = "aurora"
cluster_family = "aurora-mysql5.7"
cluster_size = "2"
namespace = "eg"
stage = "dev"
name = "db"
admin_user = "admin1"
admin_password = "Test123456789"
db_name = "dbname"
instance_type = "db.t2.small"
vpc_id = "vpc-xxxxxxx"
security_groups = ["sg-xxxxxxxx"]
subnets = ["subnet-xxxxxxxx", "subnet-xxxxxxxx"]
zone_id = "Zxxxxxxxx"
cluster_parameters = [
{
name = "character_set_client"
value = "utf8"
},
{
name = "character_set_connection"
value = "utf8"
},
{
name = "character_set_database"
value = "utf8"
},
{
name = "character_set_results"
value = "utf8"
},
{
name = "character_set_server"
value = "utf8"
},
{
name = "collation_connection"
value = "uft8_bin"
},
{
name = "collation_server"
value = "uft8_bin"
},
{
name = "lower_case_table_names"
value = "1"
apply_method = "pending-reboot"
},
{
name = "skip-character-set-client-handshake"
value = "1"
apply_method = "pending-reboot"
},
]
}# create IAM role for monitoring
resource "aws_iam_role" "enhanced_monitoring" {
name = "rds-cluster-example-1"
assume_role_policy = "${data.aws_iam_policy_document.enhanced_monitoring.json}"
}
# Attach Amazon's managed policy for RDS enhanced monitoring
resource "aws_iam_role_policy_attachment" "enhanced_monitoring" {
role = "${aws_iam_role.enhanced_monitoring.name}"
policy_arn = "arn:aws:iam::aws:policy/service-role/AmazonRDSEnhancedMonitoringRole"
}
# allow rds to assume this role
data "aws_iam_policy_document" "enhanced_monitoring" {
statement {
actions = [
"sts:AssumeRole",
]
effect = "Allow"
principals {
type = "Service"
identifiers = ["monitoring.rds.amazonaws.com"]
}
}
}
module "rds_cluster_aurora_postgres" {
source = "git::https://github.com/cloudposse/terraform-aws-rds-cluster.git?ref=master"
engine = "aurora-postgresql"
cluster_family = "aurora-postgresql9.6"
cluster_size = "2"
namespace = "eg"
stage = "dev"
name = "db"
admin_user = "admin1"
admin_password = "Test123456789"
db_name = "dbname"
db_port = "5432"
instance_type = "db.r4.large"
vpc_id = "vpc-xxxxxxx"
security_groups = ["sg-xxxxxxxx"]
subnets = ["subnet-xxxxxxxx", "subnet-xxxxxxxx"]
zone_id = "Zxxxxxxxx"
# enable monitoring every 30 seconds
rds_monitoring_interval = "30"
# reference iam role created above
rds_monitoring_role_arn = "${aws_iam_role.enhanced_monitoring.arn}"
}Available targets:
help Help screen
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help/short This help short screen
lint Lint terraform code
| Name | Description | Type | Default | Required |
|---|---|---|---|---|
| admin_password | (Required unless a snapshot_identifier is provided) Password for the master DB user | string | `` | no |
| admin_user | (Required unless a snapshot_identifier is provided) Username for the master DB user | string | admin |
no |
| allowed_cidr_blocks | List of CIDR blocks allowed to access | list | <list> |
no |
| apply_immediately | Specifies whether any cluster modifications are applied immediately, or during the next maintenance window | string | true |
no |
| attributes | Additional attributes (e.g. 1) |
list | <list> |
no |
| backup_window | Daily time range during which the backups happen | string | 07:00-09:00 |
no |
| cluster_family | The family of the DB cluster parameter group | string | aurora5.6 |
no |
| cluster_parameters | List of DB parameters to apply | list | <list> |
no |
| cluster_size | Number of DB instances to create in the cluster | string | 2 |
no |
| db_name | Database name | string | - | yes |
| db_port | Database port | string | 3306 |
no |
| delimiter | Delimiter to be used between name, namespace, stage and attributes |
string | - |
no |
| enabled | Set to false to prevent the module from creating any resources | string | true |
no |
| engine | The name of the database engine to be used for this DB cluster. Valid values: aurora, aurora-mysql, aurora-postgresql |
string | aurora |
no |
| engine_mode | The database engine mode. Valid values: parallelquery, provisioned, serverless |
string | provisioned |
no |
| engine_version | The version number of the database engine to use | string | `` | no |
| iam_database_authentication_enabled | Specifies whether or mappings of AWS Identity and Access Management (IAM) accounts to database accounts is enabled. | string | false |
no |
| instance_parameters | List of DB instance parameters to apply | list | <list> |
no |
| instance_type | Instance type to use | string | db.t2.small |
no |
| maintenance_window | Weekly time range during which system maintenance can occur, in UTC | string | wed:03:00-wed:04:00 |
no |
| name | Name of the application | string | - | yes |
| namespace | Namespace (e.g. eg or cp) |
string | - | yes |
| publicly_accessible | Set to true if you want your cluster to be publicly accessible (such as via QuickSight) | string | false |
no |
| rds_monitoring_interval | Interval in seconds that metrics are collected, 0 to disable (values can only be 0, 1, 5, 10, 15, 30, 60) | string | 0 |
no |
| rds_monitoring_role_arn | The ARN for the IAM role that can send monitoring metrics to CloudWatch Logs | string | `` | no |
| retention_period | Number of days to retain backups for | string | 5 |
no |
| scaling_configuration | List of nested attributes with scaling properties. Only valid when engine_mode is set to serverless |
list | <list> |
no |
| security_groups | List of security groups to be allowed to connect to the DB instance | list | <list> |
no |
| skip_final_snapshot | Determines whether a final DB snapshot is created before the DB cluster is deleted | string | true |
no |
| snapshot_identifier | Specifies whether or not to create this cluster from a snapshot | string | `` | no |
| stage | Stage (e.g. prod, dev, staging) |
string | - | yes |
| storage_encrypted | Specifies whether the DB cluster is encrypted. The default is false for provisioned engine_mode and true for serverless engine_mode |
string | false |
no |
| subnets | List of VPC subnet IDs | list | - | yes |
| tags | Additional tags (e.g. map(BusinessUnit,XYZ) |
map | <map> |
no |
| vpc_id | VPC ID to create the cluster in (e.g. vpc-a22222ee) |
string | - | yes |
| zone_id | Route53 parent zone ID. If provided (not empty), the module will create sub-domain DNS records for the DB master and replicas | string | `` | no |
| Name | Description |
|---|---|
| arn | Amazon Resource Name (ARN) of cluster |
| cluster_name | Cluster Identifier |
| endpoint | The DNS address of the RDS instance |
| master_host | DB Master hostname |
| name | Database name |
| password | Password for the master DB user |
| reader_endpoint | A read-only endpoint for the Aurora cluster, automatically load-balanced across replicas |
| replicas_host | Replicas hostname |
| user | Username for the master DB user |
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Check out these related projects.
- terraform-aws-rds - Terraform module to provision AWS RDS instances
- terraform-aws-rds-cloudwatch-sns-alarms - Terraform module that configures important RDS alerts using CloudWatch and sends them to an SNS topic
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Copyright © 2017-2018 Cloud Posse, LLC
See LICENSE for full details.
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements. See the NOTICE file
distributed with this work for additional information
regarding copyright ownership. The ASF licenses this file
to you under the Apache License, Version 2.0 (the
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