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layout page_title sidebar_current description
alicloud Alicloud: alicloud_db_instance docs-alicloud-resource-db-instance Provides an RDS instance resource.

alicloud_db_instance

Provides an RDS instance resource. A DB instance is an isolated database environment in the cloud. A DB instance can contain multiple user-created databases.

Example Usage

resource "alicloud_db_instance" "default" {
  commodity_code = "rds"

  engine         = "MySQL"
  engine_version = "5.6"

  db_instance_class    = "rds.mysql.t1.small"
  db_instance_storage  = "10"
  db_instance_net_type = "Intranet"
}

Argument Reference

The following arguments are supported:

  • engine - (Required) Database type. Value options: MySQL, SQLServer, PostgreSQL, and PPAS.
  • engine_version - (Required) Database version. Value options:
    • 5.5/5.6/5.7 for MySQL
    • 2008r2/2012 for SQLServer
    • 9.4 for PostgreSQL
    • 9.3 for PPAS
  • db_instance_class - (Required) Instance type. For details, see Instance type table.
  • db_instance_storage - (Required) User-defined storage space. Value range:
    • [5, 2000] for MySQL/PostgreSQL/PPAS HA dual node edition;
    • [20,1000] for MySQL 5.7 basic single node edition;
    • [10, 2000] for SQL Server 2008R2;
    • [20,2000] for SQL Server 2012 basic single node edition Increase progressively at a rate of 5 GB. The unit is GB. For details, see Instance type table.
  • instance_charge_type - (Optional) Valid values are Prepaid, Postpaid, The default is Postpaid.
  • period - (Optional) The time that you have bought the resource, in month. Only valid when instance_charge_type is set as PrePaid. Value range [1, 12].
  • zone_id - (Optional) Selected zone to create database instance. You cannot set the ZoneId parameter if the MultiAZ parameter is set to true.
  • multi_az - (Optional) Specifies if the database instance is a multiple Availability Zone deployment.
  • db_instance_net_type - (Optional) Network connection type of an instance. Internet: public network; Intranet: private network
  • allocate_public_connection - (Optional) If set to true will applies for an Internet connection string of an instance.
  • instance_network_type - (Optional) VPC: VPC instance; Classic: classic instance. If no value is specified, a classic instance will be created by default.
  • vswitch_id - (Optional) The virtual switch ID to launch in VPC. If you want to create instances in VPC network, this parameter must be set.
  • master_user_name - (Optional) The master user name for the database instance. Operation account requiring a uniqueness check. It may consist of lower case letters, numbers and underlines, and must start with a letter and have no more than 16 characters.
  • master_user_password - (Optional) The master password for the database instance. Operation password. It may consist of letters, digits, or underlines, with a length of 6 to 32 characters.
  • preferred_backup_period - (Optional) Backup period. Values: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, and Sunday.
  • preferred_backup_time - (Optional) Backup time, in the format ofHH:mmZ- HH:mm Z.
  • backup_retention_period - (Optional) Retention days of the backup (7 to 730 days). The default value is 7 days.
  • security_ips - (Optional) List of IP addresses under the IP address white list array. The list contains up to 1,000 IP addresses, separated by commas. Supported formats include 0.0.0.0/0, 10.23.12.24 (IP), and 10.23.12.24/24 (Classless Inter-Domain Routing (CIDR) mode. /24 represents the length of the prefix in an IP address. The range of the prefix length is [1,32]).
  • db_mappings - (Optional) Database mappings to attach to db instance. See Block database below for details.

Block database

The database mapping supports the following:

  • db_name - (Required) Name of the database requiring a uniqueness check. It may consist of lower case letters, numbers and underlines, and must start with a letter and have no more than 64 characters.
  • character_set_name - (Required) Character set. The value range is limited to the following:
    • MySQL type:
      • utf8
      • gbk
      • latin1
      • utf8mb4 (included in versions 5.5 and 5.6).
    • SQLServer type:
      • Chinese_PRC_CI_AS
      • Chinese_PRC_CS_AS
      • SQL_Latin1_General_CP1_CI_AS
      • SQL_Latin1_General_CP1_CS_AS
      • Chinese_PRC_BIN
  • db_description - (Optional) Database description, which cannot exceed 256 characters. NOTE: It cannot begin with https://.

~> NOTE: We neither support modify any of database attribute, nor insert/remove item at the same time. We recommend split to two separate operations.

Attributes Reference

The following attributes are exported:

  • id - The RDS instance ID.
  • instance_charge_type - The instance charge type.
  • period - The time that you have bought the resource.
  • engine - Database type.
  • engine_version - The database engine version.
  • db_instance_class - The RDS instance class.
  • db_instance_storage - The amount of allocated storage.
  • port - The database port.
  • zone_id - The zone ID of the DB instance.
  • db_instance_net_type - Network connection type of an instance, Internet or Intranet.
  • instance_network_type - The instance network type and it has two values: vpc and classic.
  • db_mappings - Database mappings attached to db instance.
  • preferred_backup_period - Backup period.
  • preferred_backup_time - Backup time.
  • backup_retention_period - Retention days of the backup.
  • security_ips - Security ips of instance whitelist.
  • connections - Views all the connection information of a specified instance.