{"id":14957947,"url":"https://github.com/cloudposse/terraform-aws-rds-cluster","last_synced_at":"2026-01-03T12:12:13.292Z","repository":{"id":22317711,"uuid":"95103258","full_name":"cloudposse/terraform-aws-rds-cluster","owner":"cloudposse","description":"Terraform module to provision an RDS Aurora cluster for MySQL or 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markdownlint-disable --\u003e\n\u003ca href=\"https://cpco.io/homepage\"\u003e\u003cimg src=\"https://github.com/cloudposse/terraform-aws-rds-cluster/blob/main/.github/banner.png?raw=true\" alt=\"Project Banner\"/\u003e\u003c/a\u003e\u003cbr/\u003e\n\n\n\u003cp align=\"right\"\u003e\u003ca href=\"https://github.com/cloudposse/terraform-aws-rds-cluster/releases/latest\"\u003e\u003cimg src=\"https://img.shields.io/github/release/cloudposse/terraform-aws-rds-cluster.svg?style=for-the-badge\" alt=\"Latest Release\"/\u003e\u003c/a\u003e\u003ca href=\"https://github.com/cloudposse/terraform-aws-rds-cluster/commits\"\u003e\u003cimg src=\"https://img.shields.io/github/last-commit/cloudposse/terraform-aws-rds-cluster.svg?style=for-the-badge\" alt=\"Last Updated\"/\u003e\u003c/a\u003e\u003ca href=\"https://cloudposse.com/slack\"\u003e\u003cimg src=\"https://slack.cloudposse.com/for-the-badge.svg\" alt=\"Slack Community\"/\u003e\u003c/a\u003e\u003ca href=\"https://cloudposse.com/support/\"\u003e\u003cimg src=\"https://img.shields.io/badge/Get_Support-success.svg?style=for-the-badge\" alt=\"Get Support\"/\u003e\u003c/a\u003e\n\n\u003c/p\u003e\n\u003c!-- markdownlint-restore --\u003e\n\n\u003c!--\n\n\n\n\n  ** DO NOT EDIT THIS FILE\n  **\n  ** This file was automatically generated by the `cloudposse/build-harness`.\n  ** 1) Make all changes to `README.yaml`\n  ** 2) Install [atmos](https://atmos.tools/install/) (you only need to do this once)\n  ** 3) Run`atmos readme` to rebuild this file.\n  **\n  ** (We maintain HUNDREDS of open source projects. This is how we maintain our sanity.)\n  **\n\n\n\n\n\n--\u003e\n\nTerraform module to provision an [`RDS Aurora`](https://aws.amazon.com/rds/aurora) cluster for MySQL or Postgres.\n\nSupports [Amazon Aurora Serverless](https://aws.amazon.com/rds/aurora/serverless/).\n\n\n\u003e [!TIP]\n\u003e #### 👽 Use Atmos with Terraform\n\u003e Cloud Posse uses [`atmos`](https://atmos.tools) to easily orchestrate multiple environments using Terraform. \u003cbr/\u003e\n\u003e Works with [Github Actions](https://atmos.tools/integrations/github-actions/), [Atlantis](https://atmos.tools/integrations/atlantis), or [Spacelift](https://atmos.tools/integrations/spacelift).\n\u003e\n\u003e \u003cdetails\u003e\n\u003e \u003csummary\u003e\u003cstrong\u003eWatch demo of using Atmos with Terraform\u003c/strong\u003e\u003c/summary\u003e\n\u003e \u003cimg src=\"https://github.com/cloudposse/atmos/blob/main/docs/demo.gif?raw=true\"/\u003e\u003cbr/\u003e\n\u003e \u003ci\u003eExample of running \u003ca href=\"https://atmos.tools\"\u003e\u003ccode\u003eatmos\u003c/code\u003e\u003c/a\u003e to manage infrastructure from our \u003ca href=\"https://atmos.tools/quick-start/\"\u003eQuick Start\u003c/a\u003e tutorial.\u003c/i\u003e\n\u003e \u003c/detalis\u003e\n\n\n\n\n\n## Usage\n\n\nFor a complete example, see [examples/complete](examples/complete).\n\nFor automated tests of the complete example using [bats](https://github.com/bats-core/bats-core) and [Terratest](https://github.com/gruntwork-io/terratest) (which tests and deploys the example on AWS), see [test](test).\n\n[Basic example](examples/basic)\n\n```hcl\nmodule \"rds_cluster_aurora_postgres\" {\n  source = \"cloudposse/rds-cluster/aws\"\n  # Cloud Posse recommends pinning every module to a specific version\n  # version     = \"x.x.x\"\n\n  name            = \"postgres\"\n  engine          = \"aurora-postgresql\"\n  cluster_family  = \"aurora-postgresql9.6\"\n  # 1 writer, 1 reader\n  cluster_size    = 2\n  # 1 writer, 3 reader\n  # cluster_size    = 4\n  # 1 writer, 5 reader\n  # cluster_size    = 6\n  namespace       = \"eg\"\n  stage           = \"dev\"\n  admin_user      = \"admin1\"\n  admin_password  = \"Test123456789\"\n  db_name         = \"dbname\"\n  db_port         = 5432\n  instance_type   = \"db.r4.large\"\n  vpc_id          = \"vpc-xxxxxxxx\"\n  security_groups = [\"sg-xxxxxxxx\"]\n  subnets         = [\"subnet-xxxxxxxx\", \"subnet-xxxxxxxx\"]\n  zone_id         = \"Zxxxxxxxx\"\n}\n```\n\n\n[Serverless Aurora MySQL 5.6](examples/serverless_mysql)\n\n```hcl\nmodule \"rds_cluster_aurora_mysql_serverless\" {\n  source = \"cloudposse/rds-cluster/aws\"\n  # Cloud Posse recommends pinning every module to a specific version\n  # version     = \"x.x.x\"\n  namespace            = \"eg\"\n  stage                = \"dev\"\n  name                 = \"db\"\n  engine               = \"aurora\"\n  engine_mode          = \"serverless\"\n  cluster_family       = \"aurora5.6\"\n  cluster_size         = 0\n  admin_user           = \"admin1\"\n  admin_password       = \"Test123456789\"\n  db_name              = \"dbname\"\n  db_port              = 3306\n  instance_type        = \"db.t2.small\"\n  vpc_id               = \"vpc-xxxxxxxx\"\n  security_groups      = [\"sg-xxxxxxxx\"]\n  subnets              = [\"subnet-xxxxxxxx\", \"subnet-xxxxxxxx\"]\n  zone_id              = \"Zxxxxxxxx\"\n  enable_http_endpoint = true\n\n  scaling_configuration = [\n    {\n      auto_pause               = true\n      max_capacity             = 256\n      min_capacity             = 2\n      seconds_until_auto_pause = 300\n    }\n  ]\n}\n```\n\n[Serverless Aurora 2.07.1 MySQL 5.7](examples/serverless_mysql57)\n\n```hcl\nmodule \"rds_cluster_aurora_mysql_serverless\" {\n  source = \"cloudposse/rds-cluster/aws\"\n  # Cloud Posse recommends pinning every module to a specific version\n  # version     = \"x.x.x\"\n  namespace            = \"eg\"\n  stage                = \"dev\"\n  name                 = \"db\"\n  engine               = \"aurora-mysql\"\n  engine_mode          = \"serverless\"\n  engine_version       = \"5.7.mysql_aurora.2.07.1\"\n  cluster_family       = \"aurora-mysql5.7\"\n  cluster_size         = 0\n  admin_user           = \"admin1\"\n  admin_password       = \"Test123456789\"\n  db_name              = \"dbname\"\n  db_port              = 3306\n  vpc_id               = \"vpc-xxxxxxxx\"\n  security_groups      = [\"sg-xxxxxxxx\"]\n  subnets              = [\"subnet-xxxxxxxx\", \"subnet-xxxxxxxx\"]\n  zone_id              = \"Zxxxxxxxx\"\n  enable_http_endpoint = true\n\n  scaling_configuration = [\n    {\n      auto_pause               = true\n      max_capacity             = 16\n      min_capacity             = 1\n      seconds_until_auto_pause = 300\n      timeout_action           = \"ForceApplyCapacityChange\"\n    }\n  ]\n}\n```\n\n[With cluster parameters](examples/with_cluster_parameters)\n\n```hcl\nmodule \"rds_cluster_aurora_mysql\" {\n  source = \"cloudposse/rds-cluster/aws\"\n  # Cloud Posse recommends pinning every module to a specific version\n  # version     = \"x.x.x\"\n  engine          = \"aurora\"\n  cluster_family  = \"aurora-mysql5.7\"\n  cluster_size    = 2\n  namespace       = \"eg\"\n  stage           = \"dev\"\n  name            = \"db\"\n  admin_user      = \"admin1\"\n  admin_password  = \"Test123456789\"\n  db_name         = \"dbname\"\n  instance_type   = \"db.t2.small\"\n  vpc_id          = \"vpc-xxxxxxx\"\n  security_groups = [\"sg-xxxxxxxx\"]\n  subnets         = [\"subnet-xxxxxxxx\", \"subnet-xxxxxxxx\"]\n  zone_id         = \"Zxxxxxxxx\"\n\n  cluster_parameters = [\n    {\n      name  = \"character_set_client\"\n      value = \"utf8\"\n    },\n    {\n      name  = \"character_set_connection\"\n      value = \"utf8\"\n    },\n    {\n      name  = \"character_set_database\"\n      value = \"utf8\"\n    },\n    {\n      name  = \"character_set_results\"\n      value = \"utf8\"\n    },\n    {\n      name  = \"character_set_server\"\n      value = \"utf8\"\n    },\n    {\n      name  = \"collation_connection\"\n      value = \"utf8_bin\"\n    },\n    {\n      name  = \"collation_server\"\n      value = \"utf8_bin\"\n    },\n    {\n      name         = \"lower_case_table_names\"\n      value        = \"1\"\n      apply_method = \"pending-reboot\"\n    },\n    {\n      name         = \"skip-character-set-client-handshake\"\n      value        = \"1\"\n      apply_method = \"pending-reboot\"\n    }\n  ]\n}\n```\n\n[With enhanced monitoring](examples/enhanced_monitoring)\n\n```hcl\n# create IAM role for monitoring\nresource \"aws_iam_role\" \"enhanced_monitoring\" {\n  name               = \"rds-cluster-example-1\"\n  assume_role_policy = data.aws_iam_policy_document.enhanced_monitoring.json\n}\n\n# Attach Amazon's managed policy for RDS enhanced monitoring\nresource \"aws_iam_role_policy_attachment\" \"enhanced_monitoring\" {\n  role       = aws_iam_role.enhanced_monitoring.name\n  policy_arn = \"arn:aws:iam::aws:policy/service-role/AmazonRDSEnhancedMonitoringRole\"\n}\n\n# allow rds to assume this role\ndata \"aws_iam_policy_document\" \"enhanced_monitoring\" {\n  statement {\n      actions = [\n      \"sts:AssumeRole\",\n    ]\n\n    effect = \"Allow\"\n\n    principals {\n      type        = \"Service\"\n      identifiers = [\"monitoring.rds.amazonaws.com\"]\n    }\n  }\n}\n\nmodule \"rds_cluster_aurora_postgres\" {\n  source = \"cloudposse/rds-cluster/aws\"\n  # Cloud Posse recommends pinning every module to a specific version\n  # version     = \"x.x.x\"\n  engine          = \"aurora-postgresql\"\n  cluster_family  = \"aurora-postgresql9.6\"\n  cluster_size    = 2\n  namespace       = \"eg\"\n  stage           = \"dev\"\n  name            = \"db\"\n  admin_user      = \"admin1\"\n  admin_password  = \"Test123456789\"\n  db_name         = \"dbname\"\n  db_port         = 5432\n  instance_type   = \"db.r4.large\"\n  vpc_id          = \"vpc-xxxxxxx\"\n  security_groups = [\"sg-xxxxxxxx\"]\n  subnets         = [\"subnet-xxxxxxxx\", \"subnet-xxxxxxxx\"]\n  zone_id         = \"Zxxxxxxxx\"\n\n  # enable monitoring every 30 seconds\n  rds_monitoring_interval = 30\n\n  # reference iam role created above\n  rds_monitoring_role_arn = aws_iam_role.enhanced_monitoring.arn\n}\n```\n\n\u003e [!IMPORTANT]\n\u003e In Cloud Posse's examples, we avoid pinning modules to specific versions to prevent discrepancies between the documentation\n\u003e and the latest released versions. However, for your own projects, we strongly advise pinning each module to the exact version\n\u003e you're using. This practice ensures the stability of your infrastructure. Additionally, we recommend implementing a systematic\n\u003e approach for updating versions to avoid unexpected changes.\n\n\n\n\n\n## Examples\n\nReview the [complete example](examples/complete) to see how to use this module.\n\n\n\n\n\u003c!-- markdownlint-disable --\u003e\n## Requirements\n\n| Name | Version |\n|------|---------|\n| \u003ca name=\"requirement_terraform\"\u003e\u003c/a\u003e [terraform](#requirement\\_terraform) | \u003e= 1.0.0 |\n| \u003ca name=\"requirement_aws\"\u003e\u003c/a\u003e [aws](#requirement\\_aws) | \u003e= 5.81.0 |\n| \u003ca name=\"requirement_null\"\u003e\u003c/a\u003e [null](#requirement\\_null) | \u003e= 2.0 |\n| \u003ca name=\"requirement_random\"\u003e\u003c/a\u003e [random](#requirement\\_random) | \u003e= 2.0 |\n\n## Providers\n\n| Name | Version |\n|------|---------|\n| \u003ca name=\"provider_aws\"\u003e\u003c/a\u003e [aws](#provider\\_aws) | \u003e= 5.81.0 |\n| \u003ca name=\"provider_random\"\u003e\u003c/a\u003e [random](#provider\\_random) | \u003e= 2.0 |\n\n## Modules\n\n| Name | Source | Version |\n|------|--------|---------|\n| \u003ca name=\"module_dns_master\"\u003e\u003c/a\u003e [dns\\_master](#module\\_dns\\_master) | cloudposse/route53-cluster-hostname/aws | 0.13.0 |\n| \u003ca name=\"module_dns_replicas\"\u003e\u003c/a\u003e [dns\\_replicas](#module\\_dns\\_replicas) | cloudposse/route53-cluster-hostname/aws | 0.13.0 |\n| \u003ca name=\"module_enhanced_monitoring_label\"\u003e\u003c/a\u003e [enhanced\\_monitoring\\_label](#module\\_enhanced\\_monitoring\\_label) | cloudposse/label/null | 0.25.0 |\n| \u003ca name=\"module_rds_identifier\"\u003e\u003c/a\u003e [rds\\_identifier](#module\\_rds\\_identifier) | cloudposse/label/null | 0.25.0 |\n| \u003ca name=\"module_this\"\u003e\u003c/a\u003e [this](#module\\_this) | cloudposse/label/null | 0.25.0 |\n\n## Resources\n\n| Name | Type |\n|------|------|\n| [aws_appautoscaling_policy.replicas](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/appautoscaling_policy) | resource |\n| [aws_appautoscaling_target.replicas](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/appautoscaling_target) | resource |\n| [aws_db_parameter_group.default](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/db_parameter_group) | resource |\n| [aws_db_subnet_group.default](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/db_subnet_group) | resource |\n| [aws_iam_role.enhanced_monitoring](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/iam_role) | resource |\n| [aws_iam_role_policy_attachment.enhanced_monitoring](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/iam_role_policy_attachment) | resource |\n| [aws_rds_cluster.primary](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/rds_cluster) | resource |\n| [aws_rds_cluster.secondary](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/rds_cluster) | resource |\n| [aws_rds_cluster_activity_stream.primary](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/rds_cluster_activity_stream) | resource |\n| [aws_rds_cluster_instance.default](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/rds_cluster_instance) | resource |\n| [aws_rds_cluster_parameter_group.default](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/rds_cluster_parameter_group) | resource |\n| [aws_rds_reserved_instance.default](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/rds_reserved_instance) | resource |\n| [aws_security_group.default](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/security_group) | resource |\n| [aws_security_group_rule.egress](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/security_group_rule) | resource |\n| [aws_security_group_rule.egress_ipv6](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/security_group_rule) | resource |\n| [aws_security_group_rule.ingress_cidr_blocks](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/security_group_rule) | resource |\n| [aws_security_group_rule.ingress_ipv6_cidr_blocks](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/security_group_rule) | resource |\n| [aws_security_group_rule.ingress_security_groups](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/security_group_rule) | resource |\n| [aws_security_group_rule.traffic_inside_security_group](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/security_group_rule) | resource |\n| [random_pet.instance](https://registry.terraform.io/providers/hashicorp/random/latest/docs/resources/pet) | resource |\n| [aws_iam_policy_document.enhanced_monitoring](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/iam_policy_document) | data source |\n| [aws_partition.current](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/partition) | data source |\n| [aws_rds_reserved_instance_offering.default](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/rds_reserved_instance_offering) | data source |\n\n## Inputs\n\n| Name | Description | Type | Default | Required |\n|------|-------------|------|---------|:--------:|\n| \u003ca name=\"input_activity_stream_enabled\"\u003e\u003c/a\u003e [activity\\_stream\\_enabled](#input\\_activity\\_stream\\_enabled) | Whether to enable Activity Streams | `bool` | `false` | no |\n| \u003ca name=\"input_activity_stream_kms_key_id\"\u003e\u003c/a\u003e [activity\\_stream\\_kms\\_key\\_id](#input\\_activity\\_stream\\_kms\\_key\\_id) | The ARN for the KMS key to encrypt Activity Stream Data data. When specifying `activity_stream_kms_key_id`, `activity_stream_enabled` needs to be set to true | `string` | `\"\"` | no |\n| \u003ca name=\"input_activity_stream_mode\"\u003e\u003c/a\u003e [activity\\_stream\\_mode](#input\\_activity\\_stream\\_mode) | The mode for the Activity Streams. `async` and `sync` are supported. Defaults to `async` | `string` | `\"async\"` | no |\n| \u003ca name=\"input_additional_tag_map\"\u003e\u003c/a\u003e [additional\\_tag\\_map](#input\\_additional\\_tag\\_map) | Additional key-value pairs to add to each map in `tags_as_list_of_maps`. Not added to `tags` or `id`.\u003cbr/\u003eThis is for some rare cases where resources want additional configuration of tags\u003cbr/\u003eand therefore take a list of maps with tag key, value, and additional configuration. | `map(string)` | `{}` | no |\n| \u003ca name=\"input_admin_password\"\u003e\u003c/a\u003e [admin\\_password](#input\\_admin\\_password) | Password for the master DB user. Ignored if snapshot\\_identifier or replication\\_source\\_identifier is provided | `string` | `\"\"` | no |\n| \u003ca name=\"input_admin_user\"\u003e\u003c/a\u003e [admin\\_user](#input\\_admin\\_user) | Username for the master DB user. Ignored if snapshot\\_identifier or replication\\_source\\_identifier is provided | `string` | `\"admin\"` | no |\n| \u003ca name=\"input_admin_user_secret_kms_key_id\"\u003e\u003c/a\u003e [admin\\_user\\_secret\\_kms\\_key\\_id](#input\\_admin\\_user\\_secret\\_kms\\_key\\_id) | Amazon Web Services KMS key identifier is the key ARN, key ID, alias ARN, or alias name for the KMS key.\u003cbr/\u003eTo use a KMS key in a different Amazon Web Services account, specify the key ARN or alias ARN.\u003cbr/\u003eIf not specified, the default KMS key for your Amazon Web Services account is used. | `string` | `null` | no |\n| \u003ca name=\"input_allocated_storage\"\u003e\u003c/a\u003e [allocated\\_storage](#input\\_allocated\\_storage) | The allocated storage in GBs | `number` | `null` | no |\n| \u003ca name=\"input_allow_major_version_upgrade\"\u003e\u003c/a\u003e [allow\\_major\\_version\\_upgrade](#input\\_allow\\_major\\_version\\_upgrade) | Enable to allow major engine version upgrades when changing engine versions. Defaults to false. | `bool` | `false` | no |\n| \u003ca name=\"input_allowed_cidr_blocks\"\u003e\u003c/a\u003e [allowed\\_cidr\\_blocks](#input\\_allowed\\_cidr\\_blocks) | List of CIDR blocks allowed to access the cluster | `list(string)` | `[]` | no |\n| \u003ca name=\"input_allowed_ipv6_cidr_blocks\"\u003e\u003c/a\u003e [allowed\\_ipv6\\_cidr\\_blocks](#input\\_allowed\\_ipv6\\_cidr\\_blocks) | List of IPv6 CIDR blocks allowed to access the cluster | `list(string)` | `[]` | no |\n| \u003ca name=\"input_apply_immediately\"\u003e\u003c/a\u003e [apply\\_immediately](#input\\_apply\\_immediately) | Specifies whether any cluster modifications are applied immediately, or during the next maintenance window | `bool` | `true` | no |\n| \u003ca name=\"input_attributes\"\u003e\u003c/a\u003e [attributes](#input\\_attributes) | ID element. Additional attributes (e.g. `workers` or `cluster`) to add to `id`,\u003cbr/\u003ein the order they appear in the list. New attributes are appended to the\u003cbr/\u003eend of the list. The elements of the list are joined by the `delimiter`\u003cbr/\u003eand treated as a single ID element. | `list(string)` | `[]` | no |\n| \u003ca name=\"input_auto_minor_version_upgrade\"\u003e\u003c/a\u003e [auto\\_minor\\_version\\_upgrade](#input\\_auto\\_minor\\_version\\_upgrade) | Indicates that minor engine upgrades will be applied automatically to the DB instance during the maintenance window | `bool` | `true` | no |\n| \u003ca name=\"input_autoscaling_enabled\"\u003e\u003c/a\u003e [autoscaling\\_enabled](#input\\_autoscaling\\_enabled) | Whether to enable cluster autoscaling | `bool` | `false` | no |\n| \u003ca name=\"input_autoscaling_max_capacity\"\u003e\u003c/a\u003e [autoscaling\\_max\\_capacity](#input\\_autoscaling\\_max\\_capacity) | Maximum number of instances to be maintained by the autoscaler | `number` | `5` | no |\n| \u003ca name=\"input_autoscaling_min_capacity\"\u003e\u003c/a\u003e [autoscaling\\_min\\_capacity](#input\\_autoscaling\\_min\\_capacity) | Minimum number of instances to be maintained by the autoscaler | `number` | `1` | no |\n| \u003ca name=\"input_autoscaling_policy_type\"\u003e\u003c/a\u003e [autoscaling\\_policy\\_type](#input\\_autoscaling\\_policy\\_type) | Autoscaling policy type. `TargetTrackingScaling` and `StepScaling` are supported | `string` | `\"TargetTrackingScaling\"` | no |\n| \u003ca name=\"input_autoscaling_scale_in_cooldown\"\u003e\u003c/a\u003e [autoscaling\\_scale\\_in\\_cooldown](#input\\_autoscaling\\_scale\\_in\\_cooldown) | The amount of time, in seconds, after a scaling activity completes and before the next scaling down activity can start. Default is 300s | `number` | `300` | no |\n| \u003ca name=\"input_autoscaling_scale_out_cooldown\"\u003e\u003c/a\u003e [autoscaling\\_scale\\_out\\_cooldown](#input\\_autoscaling\\_scale\\_out\\_cooldown) | The amount of time, in seconds, after a scaling activity completes and before the next scaling up activity can start. Default is 300s | `number` | `300` | no |\n| \u003ca name=\"input_autoscaling_target_metrics\"\u003e\u003c/a\u003e [autoscaling\\_target\\_metrics](#input\\_autoscaling\\_target\\_metrics) | The metrics type to use. If this value isn't provided the default is CPU utilization | `string` | `\"RDSReaderAverageCPUUtilization\"` | no |\n| \u003ca name=\"input_autoscaling_target_value\"\u003e\u003c/a\u003e [autoscaling\\_target\\_value](#input\\_autoscaling\\_target\\_value) | The target value to scale with respect to target metrics | `number` | `75` | no |\n| \u003ca name=\"input_backtrack_window\"\u003e\u003c/a\u003e [backtrack\\_window](#input\\_backtrack\\_window) | The target backtrack window, in seconds. Only available for aurora engine currently. Must be between 0 and 259200 (72 hours) | `number` | `0` | no |\n| \u003ca name=\"input_backup_window\"\u003e\u003c/a\u003e [backup\\_window](#input\\_backup\\_window) | Daily time range during which the backups happen | `string` | `\"07:00-09:00\"` | no |\n| \u003ca name=\"input_ca_cert_identifier\"\u003e\u003c/a\u003e [ca\\_cert\\_identifier](#input\\_ca\\_cert\\_identifier) | The identifier of the CA certificate for the DB instance | `string` | `null` | no |\n| \u003ca name=\"input_cluster_dns_name\"\u003e\u003c/a\u003e [cluster\\_dns\\_name](#input\\_cluster\\_dns\\_name) | Name of the cluster CNAME record to create in the parent DNS zone specified by `zone_id`. If left empty, the name will be auto-asigned using the format `master.var.name` | `string` | `\"\"` | no |\n| \u003ca name=\"input_cluster_family\"\u003e\u003c/a\u003e [cluster\\_family](#input\\_cluster\\_family) | The family of the DB cluster parameter group | `string` | `\"aurora5.6\"` | no |\n| \u003ca name=\"input_cluster_identifier\"\u003e\u003c/a\u003e [cluster\\_identifier](#input\\_cluster\\_identifier) | The RDS Cluster Identifier. Will use generated label ID if not supplied | `string` | `\"\"` | no |\n| \u003ca name=\"input_cluster_parameters\"\u003e\u003c/a\u003e [cluster\\_parameters](#input\\_cluster\\_parameters) | List of DB cluster parameters to apply | \u003cpre\u003elist(object({\u003cbr/\u003e    apply_method = string\u003cbr/\u003e    name         = string\u003cbr/\u003e    value        = string\u003cbr/\u003e  }))\u003c/pre\u003e | `[]` | no |\n| \u003ca name=\"input_cluster_size\"\u003e\u003c/a\u003e [cluster\\_size](#input\\_cluster\\_size) | Number of DB instances to create in the cluster | `number` | `2` | no |\n| \u003ca name=\"input_cluster_type\"\u003e\u003c/a\u003e [cluster\\_type](#input\\_cluster\\_type) | Either `regional` or `global`.\u003cbr/\u003eIf `regional` will be created as a normal, standalone DB.\u003cbr/\u003eIf `global`, will be made part of a Global cluster (requires `global_cluster_identifier`). | `string` | `\"regional\"` | no |\n| \u003ca name=\"input_context\"\u003e\u003c/a\u003e [context](#input\\_context) | Single object for setting entire context at once.\u003cbr/\u003eSee description of individual variables for details.\u003cbr/\u003eLeave string and numeric variables as `null` to use default value.\u003cbr/\u003eIndividual variable settings (non-null) override settings in context object,\u003cbr/\u003eexcept for attributes, tags, and additional\\_tag\\_map, which are merged. | `any` | \u003cpre\u003e{\u003cbr/\u003e  \"additional_tag_map\": {},\u003cbr/\u003e  \"attributes\": [],\u003cbr/\u003e  \"delimiter\": null,\u003cbr/\u003e  \"descriptor_formats\": {},\u003cbr/\u003e  \"enabled\": true,\u003cbr/\u003e  \"environment\": null,\u003cbr/\u003e  \"id_length_limit\": null,\u003cbr/\u003e  \"label_key_case\": null,\u003cbr/\u003e  \"label_order\": [],\u003cbr/\u003e  \"label_value_case\": null,\u003cbr/\u003e  \"labels_as_tags\": [\u003cbr/\u003e    \"unset\"\u003cbr/\u003e  ],\u003cbr/\u003e  \"name\": null,\u003cbr/\u003e  \"namespace\": null,\u003cbr/\u003e  \"regex_replace_chars\": null,\u003cbr/\u003e  \"stage\": null,\u003cbr/\u003e  \"tags\": {},\u003cbr/\u003e  \"tenant\": null\u003cbr/\u003e}\u003c/pre\u003e | no |\n| \u003ca name=\"input_copy_tags_to_snapshot\"\u003e\u003c/a\u003e [copy\\_tags\\_to\\_snapshot](#input\\_copy\\_tags\\_to\\_snapshot) | Copy tags to backup snapshots | `bool` | `false` | no |\n| \u003ca name=\"input_database_insights_mode\"\u003e\u003c/a\u003e [database\\_insights\\_mode](#input\\_database\\_insights\\_mode) | The database insights mode for the RDS cluster. Valid values are `standard`, `advanced`. See https://registry.terraform.io/providers/hashicorp/aws/6.16.0/docs/resources/rds_cluster#database_insights_mode-1 | `string` | `null` | no |\n| \u003ca name=\"input_db_cluster_instance_class\"\u003e\u003c/a\u003e [db\\_cluster\\_instance\\_class](#input\\_db\\_cluster\\_instance\\_class) | This setting is required to create a provisioned Multi-AZ DB cluster | `string` | `null` | no |\n| \u003ca name=\"input_db_name\"\u003e\u003c/a\u003e [db\\_name](#input\\_db\\_name) | Database name (default is not to create a database) | `string` | `\"\"` | no |\n| \u003ca name=\"input_db_parameter_group_name\"\u003e\u003c/a\u003e [db\\_parameter\\_group\\_name](#input\\_db\\_parameter\\_group\\_name) | The name to give to the created `aws_db_parameter_group` resource.\u003cbr/\u003eIf omitted, the module will generate a name. | `string` | `\"\"` | no |\n| \u003ca name=\"input_db_port\"\u003e\u003c/a\u003e [db\\_port](#input\\_db\\_port) | Database port | `number` | `3306` | no |\n| \u003ca name=\"input_deletion_protection\"\u003e\u003c/a\u003e [deletion\\_protection](#input\\_deletion\\_protection) | If the DB instance should have deletion protection enabled | `bool` | `false` | no |\n| \u003ca name=\"input_delimiter\"\u003e\u003c/a\u003e [delimiter](#input\\_delimiter) | Delimiter to be used between ID elements.\u003cbr/\u003eDefaults to `-` (hyphen). Set to `\"\"` to use no delimiter at all. | `string` | `null` | no |\n| \u003ca name=\"input_descriptor_formats\"\u003e\u003c/a\u003e [descriptor\\_formats](#input\\_descriptor\\_formats) | Describe additional descriptors to be output in the `descriptors` output map.\u003cbr/\u003eMap of maps. Keys are names of descriptors. Values are maps of the form\u003cbr/\u003e`{\u003cbr/\u003e   format = string\u003cbr/\u003e   labels = list(string)\u003cbr/\u003e}`\u003cbr/\u003e(Type is `any` so the map values can later be enhanced to provide additional options.)\u003cbr/\u003e`format` is a Terraform format string to be passed to the `format()` function.\u003cbr/\u003e`labels` is a list of labels, in order, to pass to `format()` function.\u003cbr/\u003eLabel values will be normalized before being passed to `format()` so they will be\u003cbr/\u003eidentical to how they appear in `id`.\u003cbr/\u003eDefault is `{}` (`descriptors` output will be empty). | `any` | `{}` | no |\n| \u003ca name=\"input_egress_enabled\"\u003e\u003c/a\u003e [egress\\_enabled](#input\\_egress\\_enabled) | Whether or not to apply the egress security group rule to default security group, defaults to `true` | `bool` | `true` | no |\n| \u003ca name=\"input_enable_global_write_forwarding\"\u003e\u003c/a\u003e [enable\\_global\\_write\\_forwarding](#input\\_enable\\_global\\_write\\_forwarding) | Set to `true`, to forward writes to an associated global cluster. | `bool` | `null` | no |\n| \u003ca name=\"input_enable_http_endpoint\"\u003e\u003c/a\u003e [enable\\_http\\_endpoint](#input\\_enable\\_http\\_endpoint) | Enable HTTP endpoint (data API). | `bool` | `false` | no |\n| \u003ca name=\"input_enable_local_write_forwarding\"\u003e\u003c/a\u003e [enable\\_local\\_write\\_forwarding](#input\\_enable\\_local\\_write\\_forwarding) | Set to `true`, to forward writes sent to a reader to the writer instance. | `bool` | `null` | no |\n| \u003ca name=\"input_enabled\"\u003e\u003c/a\u003e [enabled](#input\\_enabled) | Set to false to prevent the module from creating any resources | `bool` | `null` | no |\n| \u003ca name=\"input_enabled_cloudwatch_logs_exports\"\u003e\u003c/a\u003e [enabled\\_cloudwatch\\_logs\\_exports](#input\\_enabled\\_cloudwatch\\_logs\\_exports) | List of log types to export to cloudwatch. The following log types are supported: audit, error, general, slowquery | `list(string)` | `[]` | no |\n| \u003ca name=\"input_engine\"\u003e\u003c/a\u003e [engine](#input\\_engine) | The name of the database engine to be used for this DB cluster. Valid values: `aurora`, `aurora-mysql`, `aurora-postgresql` | `string` | `\"aurora\"` | no |\n| \u003ca name=\"input_engine_mode\"\u003e\u003c/a\u003e [engine\\_mode](#input\\_engine\\_mode) | The database engine mode. Valid values: `parallelquery`, `provisioned`, `serverless` | `string` | `\"provisioned\"` | no |\n| \u003ca name=\"input_engine_version\"\u003e\u003c/a\u003e [engine\\_version](#input\\_engine\\_version) | The version of the database engine to use. See `aws rds describe-db-engine-versions` | `string` | `\"\"` | no |\n| \u003ca name=\"input_enhanced_monitoring_attributes\"\u003e\u003c/a\u003e [enhanced\\_monitoring\\_attributes](#input\\_enhanced\\_monitoring\\_attributes) | The attributes for the enhanced monitoring IAM role | `list(string)` | \u003cpre\u003e[\u003cbr/\u003e  \"enhanced-monitoring\"\u003cbr/\u003e]\u003c/pre\u003e | no |\n| \u003ca name=\"input_enhanced_monitoring_role_enabled\"\u003e\u003c/a\u003e [enhanced\\_monitoring\\_role\\_enabled](#input\\_enhanced\\_monitoring\\_role\\_enabled) | A boolean flag to enable/disable the creation of the enhanced monitoring IAM role. If set to `false`, the module will not create a new role and will use `rds_monitoring_role_arn` for enhanced monitoring | `bool` | `false` | no |\n| \u003ca name=\"input_environment\"\u003e\u003c/a\u003e [environment](#input\\_environment) | ID element. Usually used for region e.g. 'uw2', 'us-west-2', OR role 'prod', 'staging', 'dev', 'UAT' | `string` | `null` | no |\n| \u003ca name=\"input_global_cluster_identifier\"\u003e\u003c/a\u003e [global\\_cluster\\_identifier](#input\\_global\\_cluster\\_identifier) | ID of the Aurora global cluster | `string` | `\"\"` | no |\n| \u003ca name=\"input_iam_database_authentication_enabled\"\u003e\u003c/a\u003e [iam\\_database\\_authentication\\_enabled](#input\\_iam\\_database\\_authentication\\_enabled) | Specifies whether or mappings of AWS Identity and Access Management (IAM) accounts to database accounts is enabled | `bool` | `false` | no |\n| \u003ca name=\"input_iam_roles\"\u003e\u003c/a\u003e [iam\\_roles](#input\\_iam\\_roles) | Iam roles for the Aurora cluster | `list(string)` | `[]` | no |\n| \u003ca name=\"input_id_length_limit\"\u003e\u003c/a\u003e [id\\_length\\_limit](#input\\_id\\_length\\_limit) | Limit `id` to this many characters (minimum 6).\u003cbr/\u003eSet to `0` for unlimited length.\u003cbr/\u003eSet to `null` for keep the existing setting, which defaults to `0`.\u003cbr/\u003eDoes not affect `id_full`. | `number` | `null` | no |\n| \u003ca name=\"input_instance_availability_zone\"\u003e\u003c/a\u003e [instance\\_availability\\_zone](#input\\_instance\\_availability\\_zone) | Optional parameter to place cluster instances in a specific availability zone. If left empty, will place randomly | `string` | `\"\"` | no |\n| \u003ca name=\"input_instance_parameters\"\u003e\u003c/a\u003e [instance\\_parameters](#input\\_instance\\_parameters) | List of DB instance parameters to apply | \u003cpre\u003elist(object({\u003cbr/\u003e    apply_method = string\u003cbr/\u003e    name         = string\u003cbr/\u003e    value        = string\u003cbr/\u003e  }))\u003c/pre\u003e | `[]` | no |\n| \u003ca name=\"input_instance_type\"\u003e\u003c/a\u003e [instance\\_type](#input\\_instance\\_type) | Instance type to use | `string` | `\"db.t2.small\"` | no |\n| \u003ca name=\"input_intra_security_group_traffic_enabled\"\u003e\u003c/a\u003e [intra\\_security\\_group\\_traffic\\_enabled](#input\\_intra\\_security\\_group\\_traffic\\_enabled) | Whether to allow traffic between resources inside the database's security group. | `bool` | `false` | no |\n| \u003ca name=\"input_iops\"\u003e\u003c/a\u003e [iops](#input\\_iops) | The amount of provisioned IOPS. Setting this implies a storage\\_type of 'io1'. This setting is required to create a Multi-AZ DB cluster. Check TF docs for values based on db engine | `number` | `null` | no |\n| \u003ca name=\"input_kms_key_arn\"\u003e\u003c/a\u003e [kms\\_key\\_arn](#input\\_kms\\_key\\_arn) | The ARN for the KMS encryption key. When specifying `kms_key_arn`, `storage_encrypted` needs to be set to `true` | `string` | `\"\"` | no |\n| \u003ca name=\"input_label_key_case\"\u003e\u003c/a\u003e [label\\_key\\_case](#input\\_label\\_key\\_case) | Controls the letter case of the `tags` keys (label names) for tags generated by this module.\u003cbr/\u003eDoes not affect keys of tags passed in via the `tags` input.\u003cbr/\u003ePossible values: `lower`, `title`, `upper`.\u003cbr/\u003eDefault value: `title`. | `string` | `null` | no |\n| \u003ca name=\"input_label_order\"\u003e\u003c/a\u003e [label\\_order](#input\\_label\\_order) | The order in which the labels (ID elements) appear in the `id`.\u003cbr/\u003eDefaults to [\"namespace\", \"environment\", \"stage\", \"name\", \"attributes\"].\u003cbr/\u003eYou can omit any of the 6 labels (\"tenant\" is the 6th), but at least one must be present. | `list(string)` | `null` | no |\n| \u003ca name=\"input_label_value_case\"\u003e\u003c/a\u003e [label\\_value\\_case](#input\\_label\\_value\\_case) | Controls the letter case of ID elements (labels) as included in `id`,\u003cbr/\u003eset as tag values, and output by this module individually.\u003cbr/\u003eDoes not affect values of tags passed in via the `tags` input.\u003cbr/\u003ePossible values: `lower`, `title`, `upper` and `none` (no transformation).\u003cbr/\u003eSet this to `title` and set `delimiter` to `\"\"` to yield Pascal Case IDs.\u003cbr/\u003eDefault value: `lower`. | `string` | `null` | no |\n| \u003ca name=\"input_labels_as_tags\"\u003e\u003c/a\u003e [labels\\_as\\_tags](#input\\_labels\\_as\\_tags) | Set of labels (ID elements) to include as tags in the `tags` output.\u003cbr/\u003eDefault is to include all labels.\u003cbr/\u003eTags with empty values will not be included in the `tags` output.\u003cbr/\u003eSet to `[]` to suppress all generated tags.\u003cbr/\u003e**Notes:**\u003cbr/\u003e  The value of the `name` tag, if included, will be the `id`, not the `name`.\u003cbr/\u003e  Unlike other `null-label` inputs, the initial setting of `labels_as_tags` cannot be\u003cbr/\u003e  changed in later chained modules. Attempts to change it will be silently ignored. | `set(string)` | \u003cpre\u003e[\u003cbr/\u003e  \"default\"\u003cbr/\u003e]\u003c/pre\u003e | no |\n| \u003ca name=\"input_maintenance_window\"\u003e\u003c/a\u003e [maintenance\\_window](#input\\_maintenance\\_window) | Weekly time range during which system maintenance can occur, in UTC | `string` | `\"wed:03:00-wed:04:00\"` | no |\n| \u003ca name=\"input_manage_admin_user_password\"\u003e\u003c/a\u003e [manage\\_admin\\_user\\_password](#input\\_manage\\_admin\\_user\\_password) | Set to true to allow RDS to manage the master user password in Secrets Manager. Cannot be set if master\\_password is provided | `bool` | `false` | no |\n| \u003ca name=\"input_name\"\u003e\u003c/a\u003e [name](#input\\_name) | ID element. Usually the component or solution name, e.g. 'app' or 'jenkins'.\u003cbr/\u003eThis is the only ID element not also included as a `tag`.\u003cbr/\u003eThe \"name\" tag is set to the full `id` string. There is no tag with the value of the `name` input. | `string` | `null` | no |\n| \u003ca name=\"input_namespace\"\u003e\u003c/a\u003e [namespace](#input\\_namespace) | ID element. Usually an abbreviation of your organization name, e.g. 'eg' or 'cp', to help ensure generated IDs are globally unique | `string` | `null` | no |\n| \u003ca name=\"input_network_type\"\u003e\u003c/a\u003e [network\\_type](#input\\_network\\_type) | The network type of the cluster. Valid values: IPV4, DUAL. | `string` | `\"IPV4\"` | no |\n| \u003ca name=\"input_parameter_group_name_prefix_enabled\"\u003e\u003c/a\u003e [parameter\\_group\\_name\\_prefix\\_enabled](#input\\_parameter\\_group\\_name\\_prefix\\_enabled) | Set to `true` to use `name_prefix` to name the cluster and database parameter groups. Set to `false` to use `name` instead | `bool` | `true` | no |\n| \u003ca name=\"input_performance_insights_enabled\"\u003e\u003c/a\u003e [performance\\_insights\\_enabled](#input\\_performance\\_insights\\_enabled) | Whether to enable Performance Insights | `bool` | `false` | no |\n| \u003ca name=\"input_performance_insights_kms_key_id\"\u003e\u003c/a\u003e [performance\\_insights\\_kms\\_key\\_id](#input\\_performance\\_insights\\_kms\\_key\\_id) | The ARN for the KMS key to encrypt Performance Insights data. When specifying `performance_insights_kms_key_id`, `performance_insights_enabled` needs to be set to true | `string` | `\"\"` | no |\n| \u003ca name=\"input_performance_insights_retention_period\"\u003e\u003c/a\u003e [performance\\_insights\\_retention\\_period](#input\\_performance\\_insights\\_retention\\_period) | Amount of time in days to retain Performance Insights data. Either 7 (7 days) or 731 (2 years) | `number` | `null` | no |\n| \u003ca name=\"input_promotion_tier\"\u003e\u003c/a\u003e [promotion\\_tier](#input\\_promotion\\_tier) | Failover Priority setting on instance level. The reader who has lower tier has higher priority to get promoted to writer.\u003cbr/\u003e\u003cbr/\u003eReaders in promotion tiers 0 and 1 scale at the same time as the writer. Readers in promotion tiers 2–15 scale independently from the writer. For more information, see: https://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/aurora-serverless-v2.how-it-works.html#aurora-serverless-v2.how-it-works.scaling | `number` | `0` | no |\n| \u003ca name=\"input_publicly_accessible\"\u003e\u003c/a\u003e [publicly\\_accessible](#input\\_publicly\\_accessible) | Set to true if you want your cluster to be publicly accessible (such as via QuickSight) | `bool` | `false` | no |\n| \u003ca name=\"input_rds_cluster_parameter_group_name\"\u003e\u003c/a\u003e [rds\\_cluster\\_parameter\\_group\\_name](#input\\_rds\\_cluster\\_parameter\\_group\\_name) | The name to give to the created `aws_rds_cluster_parameter_group` resource.\u003cbr/\u003eIf omitted, the module will generate a name. | `string` | `\"\"` | no |\n| \u003ca name=\"input_rds_monitoring_interval\"\u003e\u003c/a\u003e [rds\\_monitoring\\_interval](#input\\_rds\\_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 |\n| \u003ca name=\"input_rds_monitoring_role_arn\"\u003e\u003c/a\u003e [rds\\_monitoring\\_role\\_arn](#input\\_rds\\_monitoring\\_role\\_arn) | The ARN for the IAM role that permits RDS to send enhanced monitoring metrics to CloudWatch Logs | `string` | `null` | no |\n| \u003ca name=\"input_rds_ri_duration\"\u003e\u003c/a\u003e [rds\\_ri\\_duration](#input\\_rds\\_ri\\_duration) | The number of years to reserve the instance. Values can be 1 or 3 (or in seconds, 31536000 or 94608000) | `number` | `1` | no |\n| \u003ca name=\"input_rds_ri_offering_type\"\u003e\u003c/a\u003e [rds\\_ri\\_offering\\_type](#input\\_rds\\_ri\\_offering\\_type) | Offering type of reserved DB instances. Valid values are 'No Upfront', 'Partial Upfront', 'All Upfront'. | `string` | `\"\"` | no |\n| \u003ca name=\"input_rds_ri_reservation_id\"\u003e\u003c/a\u003e [rds\\_ri\\_reservation\\_id](#input\\_rds\\_ri\\_reservation\\_id) | Customer-specified identifier to track the reservation of the reserved DB instance. | `string` | `null` | no |\n| \u003ca name=\"input_reader_dns_name\"\u003e\u003c/a\u003e [reader\\_dns\\_name](#input\\_reader\\_dns\\_name) | Name of the reader endpoint CNAME record to create in the parent DNS zone specified by `zone_id`. If left empty, the name will be auto-asigned using the format `replicas.var.name` | `string` | `\"\"` | no |\n| \u003ca name=\"input_regex_replace_chars\"\u003e\u003c/a\u003e [regex\\_replace\\_chars](#input\\_regex\\_replace\\_chars) | Terraform regular expression (regex) string.\u003cbr/\u003eCharacters matching the regex will be removed from the ID elements.\u003cbr/\u003eIf not set, `\"/[^a-zA-Z0-9-]/\"` is used to remove all characters other than hyphens, letters and digits. | `string` | `null` | no |\n| \u003ca name=\"input_replication_source_identifier\"\u003e\u003c/a\u003e [replication\\_source\\_identifier](#input\\_replication\\_source\\_identifier) | ARN of a source DB cluster or DB instance if this DB cluster is to be created as a Read Replica | `string` | `\"\"` | no |\n| \u003ca name=\"input_restore_to_point_in_time\"\u003e\u003c/a\u003e [restore\\_to\\_point\\_in\\_time](#input\\_restore\\_to\\_point\\_in\\_time) | List of point-in-time recovery options. Valid parameters are:\u003cbr/\u003e\u003cbr/\u003e`source_cluster_identifier`\u003cbr/\u003e  Identifier of the source database cluster from which to restore.\u003cbr/\u003e`restore_type`:\u003cbr/\u003e  Type of restore to be performed. Valid options are \"full-copy\" and \"copy-on-write\".\u003cbr/\u003e`use_latest_restorable_time`:\u003cbr/\u003e  Set to true to restore the database cluster to the latest restorable backup time. Conflicts with `restore_to_time`.\u003cbr/\u003e`restore_to_time`:\u003cbr/\u003e  Date and time in UTC format to restore the database cluster to. Conflicts with `use_latest_restorable_time`. | \u003cpre\u003elist(object({\u003cbr/\u003e    source_cluster_identifier  = string\u003cbr/\u003e    restore_type               = optional(string, \"copy-on-write\")\u003cbr/\u003e    use_latest_restorable_time = optional(bool, true)\u003cbr/\u003e    restore_to_time            = optional(string, null)\u003cbr/\u003e  }))\u003c/pre\u003e | `[]` | no |\n| \u003ca name=\"input_retention_period\"\u003e\u003c/a\u003e [retention\\_period](#input\\_retention\\_period) | Number of days to retain backups for | `number` | `5` | no |\n| \u003ca name=\"input_s3_import\"\u003e\u003c/a\u003e [s3\\_import](#input\\_s3\\_import) | Restore from a Percona Xtrabackup in S3. The `bucket_name` is required to be in the same region as the resource. | \u003cpre\u003eobject({\u003cbr/\u003e    bucket_name           = string\u003cbr/\u003e    bucket_prefix         = string\u003cbr/\u003e    ingestion_role        = string\u003cbr/\u003e    source_engine         = string\u003cbr/\u003e    source_engine_version = string\u003cbr/\u003e  })\u003c/pre\u003e | `null` | no |\n| \u003ca name=\"input_scaling_configuration\"\u003e\u003c/a\u003e [scaling\\_configuration](#input\\_scaling\\_configuration) | List of nested attributes with scaling properties. Only valid when `engine_mode` is set to `serverless` | \u003cpre\u003elist(object({\u003cbr/\u003e    auto_pause               = bool\u003cbr/\u003e    max_capacity             = number\u003cbr/\u003e    min_capacity             = number\u003cbr/\u003e    seconds_until_auto_pause = number\u003cbr/\u003e    timeout_action           = string\u003cbr/\u003e  }))\u003c/pre\u003e | `[]` | no |\n| \u003ca name=\"input_security_groups\"\u003e\u003c/a\u003e [security\\_groups](#input\\_security\\_groups) | List of security groups to be allowed to connect to the DB instance | `list(string)` | `[]` | no |\n| \u003ca name=\"input_serverlessv2_scaling_configuration\"\u003e\u003c/a\u003e [serverlessv2\\_scaling\\_configuration](#input\\_serverlessv2\\_scaling\\_configuration) | serverlessv2 scaling properties | \u003cpre\u003eobject({\u003cbr/\u003e    min_capacity             = number\u003cbr/\u003e    max_capacity             = number\u003cbr/\u003e    seconds_until_auto_pause = optional(number, null)\u003cbr/\u003e  })\u003c/pre\u003e | `null` | no |\n| \u003ca name=\"input_skip_final_snapshot\"\u003e\u003c/a\u003e [skip\\_final\\_snapshot](#input\\_skip\\_final\\_snapshot) | Determines whether a final DB snapshot is created before the DB cluster is deleted | `bool` | `true` | no |\n| \u003ca name=\"input_snapshot_identifier\"\u003e\u003c/a\u003e [snapshot\\_identifier](#input\\_snapshot\\_identifier) | Specifies whether or not to create this cluster from a snapshot | `string` | `null` | no |\n| \u003ca name=\"input_source_region\"\u003e\u003c/a\u003e [source\\_region](#input\\_source\\_region) | Source Region of primary cluster, needed when using encrypted storage and region replicas | `string` | `\"\"` | no |\n| \u003ca name=\"input_stage\"\u003e\u003c/a\u003e [stage](#input\\_stage) | ID element. Usually used to indicate role, e.g. 'prod', 'staging', 'source', 'build', 'test', 'deploy', 'release' | `string` | `null` | no |\n| \u003ca name=\"input_storage_encrypted\"\u003e\u003c/a\u003e [storage\\_encrypted](#input\\_storage\\_encrypted) | Specifies whether the DB cluster is encrypted. The default is `false` for `provisioned` `engine_mode` and `true` for `serverless` `engine_mode` | `bool` | `false` | no |\n| \u003ca name=\"input_storage_type\"\u003e\u003c/a\u003e [storage\\_type](#input\\_storage\\_type) | One of 'standard' (magnetic), 'gp2' (general purpose SSD), 'io1' (provisioned IOPS SSD), 'aurora', or 'aurora-iopt1' | `string` | `null` | no |\n| \u003ca name=\"input_subnet_group_name\"\u003e\u003c/a\u003e [subnet\\_group\\_name](#input\\_subnet\\_group\\_name) | Database subnet group name. Will use generated label ID if not supplied. | `string` | `\"\"` | no |\n| \u003ca name=\"input_subnets\"\u003e\u003c/a\u003e [subnets](#input\\_subnets) | List of VPC subnet IDs | `list(string)` | n/a | yes |\n| \u003ca name=\"input_tags\"\u003e\u003c/a\u003e [tags](#input\\_tags) | Additional tags (e.g. `{'BusinessUnit': 'XYZ'}`).\u003cbr/\u003eNeither the tag keys nor the tag values will be modified by this module. | `map(string)` | `{}` | no |\n| \u003ca name=\"input_tenant\"\u003e\u003c/a\u003e [tenant](#input\\_tenant) | ID element \\_(Rarely used, not included by default)\\_. A customer identifier, indicating who this instance of a resource is for | `string` | `null` | no |\n| \u003ca name=\"input_timeouts_configuration\"\u003e\u003c/a\u003e [timeouts\\_configuration](#input\\_timeouts\\_configuration) | List of timeout values per action. Only valid actions are `create`, `update` and `delete` | \u003cpre\u003elist(object({\u003cbr/\u003e    create = string\u003cbr/\u003e    update = string\u003cbr/\u003e    delete = string\u003cbr/\u003e  }))\u003c/pre\u003e | `[]` | no |\n| \u003ca name=\"input_use_reserved_instances\"\u003e\u003c/a\u003e [use\\_reserved\\_instances](#input\\_use\\_reserved\\_instances) | WARNING: Observe your plans and applies carefully when using this feature.\u003cbr/\u003eIt has potential to be very expensive if not used correctly.\u003cbr/\u003eAlso, it is not clear what happens when the reservation expires.\u003cbr/\u003e\u003cbr/\u003eWhether to use reserved instances. | `bool` | `false` | no |\n| \u003ca name=\"input_vpc_id\"\u003e\u003c/a\u003e [vpc\\_id](#input\\_vpc\\_id) | VPC ID to create the cluster in (e.g. `vpc-a22222ee`) | `string` | n/a | yes |\n| \u003ca name=\"input_vpc_security_group_ids\"\u003e\u003c/a\u003e [vpc\\_security\\_group\\_ids](#input\\_vpc\\_security\\_group\\_ids) | Additional security group IDs to apply to the cluster, in addition to the provisioned default security group with ingress traffic from existing CIDR blocks and existing security groups | `list(string)` | `[]` | no |\n| \u003ca name=\"input_zone_id\"\u003e\u003c/a\u003e [zone\\_id](#input\\_zone\\_id) | Route53 DNS Zone ID as list of string (0 or 1 items). If empty, no custom DNS name will be published.\u003cbr/\u003eIf the list contains a single Zone ID, a custom DNS name will be pulished in that zone.\u003cbr/\u003eCan also be a plain string, but that use is DEPRECATED because of Terraform issues. | `any` | `[]` | no |\n\n## Outputs\n\n| Name | Description |\n|------|-------------|\n| \u003ca name=\"output_activity_stream_arn\"\u003e\u003c/a\u003e [activity\\_stream\\_arn](#output\\_activity\\_stream\\_arn) | Activity Stream ARN |\n| \u003ca name=\"output_activity_stream_name\"\u003e\u003c/a\u003e [activity\\_stream\\_name](#output\\_activity\\_stream\\_name) | Activity Stream Name |\n| \u003ca name=\"output_admin_user_secret\"\u003e\u003c/a\u003e [admin\\_user\\_secret](#output\\_admin\\_user\\_secret) | The secret manager attributes for the managed admin user password (`master_user_secret`). |\n| \u003ca name=\"output_arn\"\u003e\u003c/a\u003e [arn](#output\\_arn) | Amazon Resource Name (ARN) of the cluster |\n| \u003ca name=\"output_cluster_identifier\"\u003e\u003c/a\u003e [cluster\\_identifier](#output\\_cluster\\_identifier) | Cluster Identifier |\n| \u003ca name=\"output_cluster_resource_id\"\u003e\u003c/a\u003e [cluster\\_resource\\_id](#output\\_cluster\\_resource\\_id) | The region-unique, immutable identifie of the cluster |\n| \u003ca name=\"output_cluster_security_groups\"\u003e\u003c/a\u003e [cluster\\_security\\_groups](#output\\_cluster\\_security\\_groups) | Default RDS cluster security groups |\n| \u003ca name=\"output_database_name\"\u003e\u003c/a\u003e [database\\_name](#output\\_database\\_name) | Database name |\n| \u003ca name=\"output_dbi_resource_ids\"\u003e\u003c/a\u003e [dbi\\_resource\\_ids](#output\\_dbi\\_resource\\_ids) | List of the region-unique, immutable identifiers for the DB instances in the cluster |\n| \u003ca name=\"output_endpoint\"\u003e\u003c/a\u003e [endpoint](#output\\_endpoint) | The DNS address of the RDS instance |\n| \u003ca name=\"output_instance_endpoints\"\u003e\u003c/a\u003e [instance\\_endpoints](#output\\_instance\\_endpoints) | List of DNS addresses for the DB instances in the cluster |\n| \u003ca name=\"output_master_host\"\u003e\u003c/a\u003e [master\\_host](#output\\_master\\_host) | DB Master hostname |\n| \u003ca name=\"output_master_username\"\u003e\u003c/a\u003e [master\\_username](#output\\_master\\_username) | Username for the master DB user |\n| \u003ca name=\"output_port\"\u003e\u003c/a\u003e [port](#output\\_port) | DB port |\n| \u003ca name=\"output_reader_endpoint\"\u003e\u003c/a\u003e [reader\\_endpoint](#output\\_reader\\_endpoint) | A read-only endpoint for the Aurora cluster, automatically load-balanced across replicas |\n| \u003ca name=\"output_replicas_host\"\u003e\u003c/a\u003e [replicas\\_host](#output\\_replicas\\_host) | Replicas hostname |\n| \u003ca name=\"output_reserved_instance\"\u003e\u003c/a\u003e [reserved\\_instance](#output\\_reserved\\_instance) | All information about the reserved instance(s) if created. |\n| \u003ca name=\"output_security_group_arn\"\u003e\u003c/a\u003e [security\\_group\\_arn](#output\\_security\\_group\\_arn) | Security Group ARN |\n| \u003ca name=\"output_security_group_id\"\u003e\u003c/a\u003e [security\\_group\\_id](#output\\_security\\_group\\_id) | Security Group ID |\n| \u003ca name=\"output_security_group_name\"\u003e\u003c/a\u003e [security\\_group\\_name](#output\\_security\\_group\\_name) | Security Group name |\n\u003c!-- markdownlint-restore --\u003e\n\n\n\n\n\n\n\n## Related Projects\n\nCheck out these related projects.\n\n- [terraform-aws-rds](https://github.com/cloudposse/terraform-aws-rds) - Terraform module to provision AWS RDS instances\n- [terraform-aws-rds-cloudwatch-sns-alarms](https://github.com/cloudposse/terraform-aws-rds-cloudwatch-sns-alarms) - Terraform module that configures important RDS alerts using CloudWatch and sends them to an SNS topic\n\n\n\u003e [!TIP]\n\u003e #### Use Terraform Reference Architectures for AWS\n\u003e\n\u003e Use Cloud Posse's ready-to-go [terraform architecture blueprints](https://cloudposse.com/reference-architecture/) for AWS to get up and running quickly.\n\u003e\n\u003e ✅ We build it together with your team.\u003cbr/\u003e\n\u003e ✅ Your team owns everything.\u003cbr/\u003e\n\u003e ✅ 100% Open Source and backed by fanatical support.\u003cbr/\u003e\n\u003e\n\u003e \u003ca href=\"https://cpco.io/commercial-support?utm_source=github\u0026utm_medium=readme\u0026utm_campaign=cloudposse/terraform-aws-rds-cluster\u0026utm_content=commercial_support\"\u003e\u003cimg alt=\"Request Quote\" src=\"https://img.shields.io/badge/request%20quote-success.svg?style=for-the-badge\"/\u003e\u003c/a\u003e\n\u003e \u003cdetails\u003e\u003csummary\u003e📚 \u003cstrong\u003eLearn More\u003c/strong\u003e\u003c/summary\u003e\n\u003e\n\u003e \u003cbr/\u003e\n\u003e\n\u003e Cloud Posse is the leading [**DevOps Accelerator**](https://cpco.io/commercial-support?utm_source=github\u0026utm_medium=readme\u0026utm_campaign=cloudposse/terraform-aws-rds-cluster\u0026utm_content=commercial_support) for funded startups and enterprises.\n\u003e\n\u003e *Your team can operate like a pro today.*\n\u003e\n\u003e Ensure that your team succeeds by using Cloud Posse's proven process and turnkey blueprints. Plus, we stick around until you succeed.\n\u003e #### Day-0:  Your Foundation for Success\n\u003e - **Reference Architecture.** You'll get everything you need from the ground up built using 100% infrastructure as code.\n\u003e - **Deployment Strategy.** Adopt a proven deployment strategy with GitHub Actions, enabling automated, repeatable, and reliable software releases.\n\u003e - **Site Reliability Engineering.** Gain total visibility into your applications and services with Datadog, ensuring high availability and performance.\n\u003e - **Security Baseline.** Establish a secure environment from the start, with built-in governance, accountability, and comprehensive audit logs, safeguarding your operations.\n\u003e - **GitOps.** Empower your team to manage infrastructure changes confidently and efficiently through Pull Requests, leveraging the full power of GitHub Actions.\n\u003e\n\u003e \u003ca href=\"https://cpco.io/commercial-support?utm_source=github\u0026utm_medium=readme\u0026utm_campaign=cloudposse/terraform-aws-rds-cluster\u0026utm_content=commercial_support\"\u003e\u003cimg alt=\"Request Quote\" src=\"https://img.shields.io/badge/request%20quote-success.svg?style=for-the-badge\"/\u003e\u003c/a\u003e\n\u003e\n\u003e #### Day-2: Your Operational Mastery\n\u003e - **Training.** Equip your team with the knowledge and skills to confidently manage the infrastructure, ensuring long-term success and self-sufficiency.\n\u003e - **Support.** Benefit from a seamless communication over Slack with our experts, ensuring you have the support you need, whenever you need it.\n\u003e - **Troubleshooting.** Access expert assistance to quickly resolve any operational challenges, minimizing downtime and maintaining business continuity.\n\u003e - **Code Reviews.** Enhance your team’s code quality with our expert feedback, fostering continuous improvement and collaboration.\n\u003e - **Bug Fixes.** Rely on our team to troubleshoot and resolve any issues, ensuring your systems run smoothly.\n\u003e - **Migration Assistance.** Accelerate your migration process with our dedicated support, minimizing disruption and speeding up time-to-value.\n\u003e - **Customer Workshops.** Engage with our team in weekly workshops, gaining insights and strategies to continuously improve and innovate.\n\u003e\n\u003e \u003ca href=\"https://cpco.io/commercial-support?utm_source=github\u0026utm_medium=readme\u0026utm_campaign=cloudposse/terraform-aws-rds-cluster\u0026utm_content=commercial_support\"\u003e\u003cimg alt=\"Request Quote\" src=\"https://img.shields.io/badge/request%20quote-success.svg?style=for-the-badge\"/\u003e\u003c/a\u003e\n\u003e \n\u003c/details\u003e\n\n## ✨ Contributing\n\nThis project is under active development, and we encourage contributions from our community.\n\n\n\nMany thanks to our outstanding contributors:\n\n\u003ca href=\"https://github.com/cloudposse/terraform-aws-rds-cluster/graphs/contributors\"\u003e\n  \u003cimg src=\"https://contrib.rocks/image?repo=cloudposse/terraform-aws-rds-cluster\u0026max=24\" /\u003e\n\u003c/a\u003e\n\nFor 🐛 bug reports \u0026 feature requests, please use the [issue tracker](https://github.com/cloudposse/terraform-aws-rds-cluster/issues).\n\nIn general, PRs are welcome. We follow the typical \"fork-and-pull\" Git workflow.\n 1. Review our [Code of Conduct](https://github.com/cloudposse/terraform-aws-rds-cluster/?tab=coc-ov-file#code-of-conduct) and [Contributor Guidelines](https://github.com/cloudposse/.github/blob/main/CONTRIBUTING.md).\n 2. **Fork** the repo on GitHub\n 3. **Clone** the project to your own machine\n 4. **Commit** changes to your own branch\n 5. **Push** your work back up to your fork\n 6. Submit a **Pull Request** so that we can review your changes\n\n**NOTE:** Be sure to merge the latest changes from \"upstream\" before making a pull request!\n\n\n## Running Terraform Tests\n\nWe use [Atmos](https://atmos.tools) to streamline how Terraform tests are run. It centralizes configuration and wraps common test workflows with easy-to-use commands.\n\nAll tests are located in the [`test/`](test) folder.\n\nUnder the hood, tests are powered by Terratest together with our internal [Test Helpers](https://github.com/cloudposse/test-helpers) library, providing robust infrastructure validation.\n\nSetup dependencies:\n- Install Atmos ([installation guide](https://atmos.tools/install/))\n- Install Go [1.24+ or newer](https://go.dev/doc/install)\n- Install Terraform or OpenTofu\n\nTo run tests:\n\n- Run all tests:  \n  ```sh\n  atmos test run\n  ```\n- Clean up test artifacts:  \n  ```sh\n  atmos test clean\n  ```\n- Explore additional test options:  \n  ```sh\n  atmos test --help\n  ```\nThe configuration for test commands is centrally managed. To review what's being imported, see the [`atmos.yaml`](https://raw.githubusercontent.com/cloudposse/.github/refs/heads/main/.github/atmos/terraform-module.yaml) file.\n\nLearn more about our [automated testing in our documentation](https://docs.cloudposse.com/community/contribute/automated-testing/) or implementing [custom commands](https://atmos.tools/core-concepts/custom-commands/) with atmos.\n\n### 🌎 Slack Community\n\nJoin our [Open Source Community](https://cpco.io/slack?utm_source=github\u0026utm_medium=readme\u0026utm_campaign=cloudposse/terraform-aws-rds-cluster\u0026utm_content=slack) on Slack. It's **FREE** for everyone! Our \"SweetOps\" community is where you get to talk with others who share a similar vision for how to rollout and manage infrastructure. This is the best place to talk shop, ask questions, solicit feedback, and work together as a community to build totally *sweet* infrastructure.\n\n### 📰 Newsletter\n\nSign up for [our newsletter](https://cpco.io/newsletter?utm_source=github\u0026utm_medium=readme\u0026utm_campaign=cloudposse/terraform-aws-rds-cluster\u0026utm_content=newsletter) and join 3,000+ DevOps engineers, CTOs, and founders who get insider access to the latest DevOps trends, so you can always stay in the know.\nDropped straight into your Inbox every week — and usually a 5-minute read.\n\n### 📆 Office Hours \u003ca href=\"https://cloudposse.com/office-hours?utm_source=github\u0026utm_medium=readme\u0026utm_campaign=cloudposse/terraform-aws-rds-cluster\u0026utm_content=office_hours\"\u003e\u003cimg src=\"https://img.cloudposse.com/fit-in/200x200/https://cloudposse.com/wp-content/uploads/2019/08/Powered-by-Zoom.png\" align=\"right\" /\u003e\u003c/a\u003e\n\n[Join us every Wednesday via Zoom](https://cloudposse.com/office-hours?utm_source=github\u0026utm_medium=readme\u0026utm_campaign=cloudposse/terraform-aws-rds-cluster\u0026utm_content=office_hours) for your weekly dose of insider DevOps trends, AWS news and Terraform insights, all sourced from our SweetOps community, plus a _live Q\u0026A_ that you can’t find anywhere else.\nIt's **FREE** for everyone!\n## License\n\n\u003ca href=\"https://opensource.org/licenses/Apache-2.0\"\u003e\u003cimg src=\"https://img.shields.io/badge/License-Apache%202.0-blue.svg?style=for-the-badge\" alt=\"License\"\u003e\u003c/a\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003ePreamble to the Apache License, Version 2.0\u003c/summary\u003e\n\u003cbr/\u003e\n\u003cbr/\u003e\n\nComplete license is available in the [`LICENSE`](LICENSE) file.\n\n```text\nLicensed to the Apache Software Foundation (ASF) under one\nor more contributor license agreements.  See the NOTICE file\ndistributed with this work for additional information\nregarding copyright ownership.  The ASF licenses this file\nto you under the Apache License, Version 2.0 (the\n\"License\"); you may not use this file except in compliance\nwith the License.  You may obtain a copy of the License at\n\n  https://www.apache.org/licenses/LICENSE-2.0\n\nUnless required by applicable law or agreed to in writing,\nsoftware distributed under the License is distributed on an\n\"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\nKIND, either express or implied.  See the License for the\nspecific language governing permissions and limitations\nunder the License.\n```\n\u003c/details\u003e\n\n## Trademarks\n\nAll other trademarks referenced herein are the property of their respective owners.\n\n\n---\nCopyright © 2017-2026 [Cloud Posse, LLC](https://cpco.io/copyright)\n\n\n\u003ca href=\"https://cloudposse.com/readme/footer/link?utm_source=github\u0026utm_medium=readme\u0026utm_campaign=cloudposse/terraform-aws-rds-cluster\u0026utm_content=readme_footer_link\"\u003e\u003cimg alt=\"README footer\" src=\"https://cloudposse.com/readme/footer/img\"/\u003e\u003c/a\u003e\n\n\u003cimg alt=\"Beacon\" width=\"0\" src=\"https://ga-beacon.cloudposse.com/UA-76589703-4/cloudposse/terraform-aws-rds-cluster?pixel\u0026cs=github\u0026cm=readme\u0026an=terraform-aws-rds-cluster\"/\u003e\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fcloudposse%2Fterraform-aws-rds-cluster","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fcloudposse%2Fterraform-aws-rds-cluster","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fcloudposse%2Fterraform-aws-rds-cluster/lists"}