AWS CLI Command Reference

[ aws . rds ]

create-db-cluster-parameter-group

Description

Creates a new DB cluster parameter group.

Parameters in a DB cluster parameter group apply to all of the instances in a DB cluster.

A DB cluster parameter group is initially created with the default parameters for the database engine used by instances in the DB cluster. To provide custom values for any of the parameters, you must modify the group after creating it using ModifyDBClusterParameterGroup . Once you’ve created a DB cluster parameter group, you need to associate it with your DB cluster using ModifyDBCluster .

When you associate a new DB cluster parameter group with a running Aurora DB cluster, reboot the DB instances in the DB cluster without failover for the new DB cluster parameter group and associated settings to take effect.

When you associate a new DB cluster parameter group with a running Multi-AZ DB cluster, reboot the DB cluster without failover for the new DB cluster parameter group and associated settings to take effect.

Warning

After you create a DB cluster parameter group, you should wait at least 5 minutes before creating your first DB cluster that uses that DB cluster parameter group as the default parameter group. This allows Amazon RDS to fully complete the create action before the DB cluster parameter group is used as the default for a new DB cluster. This is especially important for parameters that are critical when creating the default database for a DB cluster, such as the character set for the default database defined by the character_set_database parameter. You can use the Parameter Groups option of the Amazon RDS console or the DescribeDBClusterParameters operation to verify that your DB cluster parameter group has been created or modified.

For more information on Amazon Aurora, see What is Amazon Aurora? in the Amazon Aurora User Guide .

For more information on Multi-AZ DB clusters, see Multi-AZ deployments with two readable standby DB instances in the Amazon RDS User Guide .

See also: AWS API Documentation

See ‘aws help’ for descriptions of global parameters.

Synopsis

  create-db-cluster-parameter-group
--db-cluster-parameter-group-name <value>
--db-parameter-group-family <value>
--description <value>
[--tags <value>]
[--cli-input-json | --cli-input-yaml]
[--generate-cli-skeleton <value>]

Options

--db-cluster-parameter-group-name (string)

The name of the DB cluster parameter group.

Constraints:

  • Must not match the name of an existing DB cluster parameter group.

Note

This value is stored as a lowercase string.

--db-parameter-group-family (string)

The DB cluster parameter group family name. A DB cluster parameter group can be associated with one and only one DB cluster parameter group family, and can be applied only to a DB cluster running a database engine and engine version compatible with that DB cluster parameter group family.

Aurora MySQL

Example: aurora5.6 , aurora-mysql5.7 , aurora-mysql8.0

Aurora PostgreSQL

Example: aurora-postgresql9.6

RDS for MySQL

Example: mysql8.0

RDS for PostgreSQL

Example: postgres12

To list all of the available parameter group families for a DB engine, use the following command:

aws rds describe-db-engine-versions --query "DBEngineVersions[].DBParameterGroupFamily" --engine <engine>

For example, to list all of the available parameter group families for the Aurora PostgreSQL DB engine, use the following command:

aws rds describe-db-engine-versions --query "DBEngineVersions[].DBParameterGroupFamily" --engine aurora-postgresql

Note

The output contains duplicates.

The following are the valid DB engine values:

  • aurora (for MySQL 5.6-compatible Aurora)

  • aurora-mysql (for MySQL 5.7-compatible and MySQL 8.0-compatible Aurora)

  • aurora-postgresql

  • mysql

  • postgres

--description (string)

The description for the DB cluster parameter group.

--tags (list)

Tags to assign to the DB cluster parameter group.

(structure)

Metadata assigned to an Amazon RDS resource consisting of a key-value pair.

Key -> (string)

A key is the required name of the tag. The string value can be from 1 to 128 Unicode characters in length and can’t be prefixed with aws: or rds: . The string can only contain only the set of Unicode letters, digits, white-space, ‘_’, ‘.’, ‘:’, ‘/’, ‘=’, ‘+’, ‘-‘, ‘@’ (Java regex: “^([\p{L}\p{Z}\p{N}_.:/=+-@]*)$”).

Value -> (string)

A value is the optional value of the tag. The string value can be from 1 to 256 Unicode characters in length and can’t be prefixed with aws: or rds: . The string can only contain only the set of Unicode letters, digits, white-space, ‘_’, ‘.’, ‘:’, ‘/’, ‘=’, ‘+’, ‘-‘, ‘@’ (Java regex: “^([\p{L}\p{Z}\p{N}_.:/=+-@]*)$”).

Shorthand Syntax:

Key=string,Value=string ...

JSON Syntax:

[
  {
    "Key": "string",
    "Value": "string"
  }
  ...
]

--cli-input-json | --cli-input-yaml (string) Reads arguments from the JSON string provided. The JSON string follows the format provided by --generate-cli-skeleton. If other arguments are provided on the command line, those values will override the JSON-provided values. It is not possible to pass arbitrary binary values using a JSON-provided value as the string will be taken literally. This may not be specified along with --cli-input-yaml.

--generate-cli-skeleton (string) Prints a JSON skeleton to standard output without sending an API request. If provided with no value or the value input, prints a sample input JSON that can be used as an argument for --cli-input-json. Similarly, if provided yaml-input it will print a sample input YAML that can be used with --cli-input-yaml. If provided with the value output, it validates the command inputs and returns a sample output JSON for that command. The generated JSON skeleton is not stable between versions of the AWS CLI and there are no backwards compatibility guarantees in the JSON skeleton generated.

See ‘aws help’ for descriptions of global parameters.

Examples

Note

To use the following examples, you must have the AWS CLI installed and configured. See the Getting started guide in the AWS CLI User Guide for more information.

Unless otherwise stated, all examples have unix-like quotation rules. These examples will need to be adapted to your terminal’s quoting rules. See Using quotation marks with strings in the AWS CLI User Guide .

To create a DB cluster parameter group

The following create-db-cluster-parameter-group example creates a DB cluster parameter group.

aws rds create-db-cluster-parameter-group \
    --db-cluster-parameter-group-name mydbclusterparametergroup \
    --db-parameter-group-family aurora5.6 \
    --description "My new cluster parameter group"

Output:

{
    "DBClusterParameterGroup": {
        "DBClusterParameterGroupName": "mydbclusterparametergroup",
        "DBParameterGroupFamily": "aurora5.6",
        "Description": "My new cluster parameter group",
        "DBClusterParameterGroupArn": "arn:aws:rds:us-east-1:123456789012:cluster-pg:mydbclusterparametergroup"
    }
}

For more information, see Creating a DB Cluster Parameter Group in the Amazon Aurora User Guide.

Output

DBClusterParameterGroup -> (structure)

Contains the details of an Amazon RDS DB cluster parameter group.

This data type is used as a response element in the DescribeDBClusterParameterGroups action.

DBClusterParameterGroupName -> (string)

The name of the DB cluster parameter group.

DBParameterGroupFamily -> (string)

The name of the DB parameter group family that this DB cluster parameter group is compatible with.

Description -> (string)

Provides the customer-specified description for this DB cluster parameter group.

DBClusterParameterGroupArn -> (string)

The Amazon Resource Name (ARN) for the DB cluster parameter group.

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