AWS CLI Command Reference

[ aws . elasticache ]

describe-reserved-cache-nodes

Description

Returns information about reserved cache nodes for this account, or about a specified reserved cache node.

See also: AWS API Documentation

describe-reserved-cache-nodes is a paginated operation. Multiple API calls may be issued in order to retrieve the entire data set of results. You can disable pagination by providing the --no-paginate argument. When using --output text and the --query argument on a paginated response, the --query argument must extract data from the results of the following query expressions: ReservedCacheNodes

Synopsis

  describe-reserved-cache-nodes
[--reserved-cache-node-id <value>]
[--reserved-cache-nodes-offering-id <value>]
[--cache-node-type <value>]
[--duration <value>]
[--product-description <value>]
[--offering-type <value>]
[--cli-input-json | --cli-input-yaml]
[--starting-token <value>]
[--page-size <value>]
[--max-items <value>]
[--generate-cli-skeleton <value>]
[--debug]
[--endpoint-url <value>]
[--no-verify-ssl]
[--no-paginate]
[--output <value>]
[--query <value>]
[--profile <value>]
[--region <value>]
[--version <value>]
[--color <value>]
[--no-sign-request]
[--ca-bundle <value>]
[--cli-read-timeout <value>]
[--cli-connect-timeout <value>]
[--cli-binary-format <value>]
[--no-cli-pager]
[--cli-auto-prompt]
[--no-cli-auto-prompt]

Options

--reserved-cache-node-id (string)

The reserved cache node identifier filter value. Use this parameter to show only the reservation that matches the specified reservation ID.

--reserved-cache-nodes-offering-id (string)

The offering identifier filter value. Use this parameter to show only purchased reservations matching the specified offering identifier.

--cache-node-type (string)

The cache node type filter value. Use this parameter to show only those reservations matching the specified cache node type.

The following node types are supported by ElastiCache. Generally speaking, the current generation types provide more memory and computational power at lower cost when compared to their equivalent previous generation counterparts.

  • General purpose:

    • Current generation: M7g node types : cache.m7g.large , cache.m7g.xlarge , cache.m7g.2xlarge , cache.m7g.4xlarge , cache.m7g.8xlarge , cache.m7g.12xlarge , cache.m7g.16xlarge

    Note

    For region availability, see Supported Node Types

    M6g node types (available only for Redis OSS engine version 5.0.6 onward and for Memcached engine version 1.5.16 onward): cache.m6g.large , cache.m6g.xlarge , cache.m6g.2xlarge , cache.m6g.4xlarge , cache.m6g.8xlarge , cache.m6g.12xlarge , cache.m6g.16xlarge M5 node types: cache.m5.large , cache.m5.xlarge , cache.m5.2xlarge , cache.m5.4xlarge , cache.m5.12xlarge , cache.m5.24xlarge M4 node types: cache.m4.large , cache.m4.xlarge , cache.m4.2xlarge , cache.m4.4xlarge , cache.m4.10xlarge T4g node types (available only for Redis OSS engine version 5.0.6 onward and Memcached engine version 1.5.16 onward): cache.t4g.micro , cache.t4g.small , cache.t4g.medium T3 node types: cache.t3.micro , cache.t3.small , cache.t3.medium T2 node types: cache.t2.micro , cache.t2.small , cache.t2.medium

    • Previous generation: (not recommended. Existing clusters are still supported but creation of new clusters is not supported for these types.) T1 node types: cache.t1.micro M1 node types: cache.m1.small , cache.m1.medium , cache.m1.large , cache.m1.xlarge M3 node types: cache.m3.medium , cache.m3.large , cache.m3.xlarge , cache.m3.2xlarge

  • Compute optimized:

    • Previous generation: (not recommended. Existing clusters are still supported but creation of new clusters is not supported for these types.) C1 node types: cache.c1.xlarge

  • Memory optimized:

    • Current generation: R7g node types : cache.r7g.large , cache.r7g.xlarge , cache.r7g.2xlarge , cache.r7g.4xlarge , cache.r7g.8xlarge , cache.r7g.12xlarge , cache.r7g.16xlarge

    Note

    For region availability, see Supported Node Types

    R6g node types (available only for Redis OSS engine version 5.0.6 onward and for Memcached engine version 1.5.16 onward): cache.r6g.large , cache.r6g.xlarge , cache.r6g.2xlarge , cache.r6g.4xlarge , cache.r6g.8xlarge , cache.r6g.12xlarge , cache.r6g.16xlarge R5 node types: cache.r5.large , cache.r5.xlarge , cache.r5.2xlarge , cache.r5.4xlarge , cache.r5.12xlarge , cache.r5.24xlarge R4 node types: cache.r4.large , cache.r4.xlarge , cache.r4.2xlarge , cache.r4.4xlarge , cache.r4.8xlarge , cache.r4.16xlarge

    • Previous generation: (not recommended. Existing clusters are still supported but creation of new clusters is not supported for these types.) M2 node types: cache.m2.xlarge , cache.m2.2xlarge , cache.m2.4xlarge R3 node types: cache.r3.large , cache.r3.xlarge , cache.r3.2xlarge , cache.r3.4xlarge , cache.r3.8xlarge
Additional node type info
  • All current generation instance types are created in Amazon VPC by default.
  • Valkey or Redis OSS append-only files (AOF) are not supported for T1 or T2 instances.
  • Valkey or Redis OSS Multi-AZ with automatic failover is not supported on T1 instances.
  • The configuration variables appendonly and appendfsync are not supported on Valkey, or on Redis OSS version 2.8.22 and later.

--duration (string)

The duration filter value, specified in years or seconds. Use this parameter to show only reservations for this duration.

Valid Values: 1 | 3 | 31536000 | 94608000

--product-description (string)

The product description filter value. Use this parameter to show only those reservations matching the specified product description.

--offering-type (string)

The offering type filter value. Use this parameter to show only the available offerings matching the specified offering type.

Valid values: "Light Utilization"|"Medium Utilization"|"Heavy Utilization"|"All Upfront"|"Partial Upfront"| "No Upfront"

--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.

--starting-token (string)

A token to specify where to start paginating. This is the NextToken from a previously truncated response.

For usage examples, see Pagination in the AWS Command Line Interface User Guide .

--page-size (integer)

The size of each page to get in the AWS service call. This does not affect the number of items returned in the command’s output. Setting a smaller page size results in more calls to the AWS service, retrieving fewer items in each call. This can help prevent the AWS service calls from timing out.

For usage examples, see Pagination in the AWS Command Line Interface User Guide .

--max-items (integer)

The total number of items to return in the command’s output. If the total number of items available is more than the value specified, a NextToken is provided in the command’s output. To resume pagination, provide the NextToken value in the starting-token argument of a subsequent command. Do not use the NextToken response element directly outside of the AWS CLI.

For usage examples, see Pagination in the AWS Command Line Interface User Guide .

--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.

Global Options

--debug (boolean)

Turn on debug logging.

--endpoint-url (string)

Override command’s default URL with the given URL.

--no-verify-ssl (boolean)

By default, the AWS CLI uses SSL when communicating with AWS services. For each SSL connection, the AWS CLI will verify SSL certificates. This option overrides the default behavior of verifying SSL certificates.

--no-paginate (boolean)

Disable automatic pagination. If automatic pagination is disabled, the AWS CLI will only make one call, for the first page of results.

--output (string)

The formatting style for command output.

  • json
  • text
  • table
  • yaml
  • yaml-stream

--query (string)

A JMESPath query to use in filtering the response data.

--profile (string)

Use a specific profile from your credential file.

--region (string)

The region to use. Overrides config/env settings.

--version (string)

Display the version of this tool.

--color (string)

Turn on/off color output.

  • on
  • off
  • auto

--no-sign-request (boolean)

Do not sign requests. Credentials will not be loaded if this argument is provided.

--ca-bundle (string)

The CA certificate bundle to use when verifying SSL certificates. Overrides config/env settings.

--cli-read-timeout (int)

The maximum socket read time in seconds. If the value is set to 0, the socket read will be blocking and not timeout. The default value is 60 seconds.

--cli-connect-timeout (int)

The maximum socket connect time in seconds. If the value is set to 0, the socket connect will be blocking and not timeout. The default value is 60 seconds.

--cli-binary-format (string)

The formatting style to be used for binary blobs. The default format is base64. The base64 format expects binary blobs to be provided as a base64 encoded string. The raw-in-base64-out format preserves compatibility with AWS CLI V1 behavior and binary values must be passed literally. When providing contents from a file that map to a binary blob fileb:// will always be treated as binary and use the file contents directly regardless of the cli-binary-format setting. When using file:// the file contents will need to properly formatted for the configured cli-binary-format.

  • base64
  • raw-in-base64-out

--no-cli-pager (boolean)

Disable cli pager for output.

--cli-auto-prompt (boolean)

Automatically prompt for CLI input parameters.

--no-cli-auto-prompt (boolean)

Disable automatically prompt for CLI input 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 describe reserved cache nodes

The following describe-reserved-cache-nodes example returns information about reserved cache nodes for this account, or about the specified reserved cache node.

aws elasticache describe-reserved-cache-nodes

Output:

{
    "ReservedCacheNodes": [
        {
            "ReservedCacheNodeId": "mynode",
            "ReservedCacheNodesOfferingId": "xxxxxxxxx-xxxxx-xxxxx-xxxx-xxxxxxxx71",
            "CacheNodeType": "cache.t3.small",
            "StartTime": "2019-12-06T02:50:44.003Z",
            "Duration": 31536000,
            "FixedPrice": 0.0,
            "UsagePrice": 0.0,
            "CacheNodeCount": 1,
            "ProductDescription": "redis",
            "OfferingType": "No Upfront",
            "State": "payment-pending",
            "RecurringCharges": [
                {
                    "RecurringChargeAmount": 0.023,
                    "RecurringChargeFrequency": "Hourly"
                }
            ],
            "ReservationARN": "arn:aws:elasticache:us-west-2:xxxxxxxxxxxx52:reserved-instance:mynode"
        }
    ]
}

For more information, see Managing Costs with Reserved Nodes in the Elasticache User Guide.

Output

Marker -> (string)

Provides an identifier to allow retrieval of paginated results.

ReservedCacheNodes -> (list)

A list of reserved cache nodes. Each element in the list contains detailed information about one node.

(structure)

Represents the output of a PurchaseReservedCacheNodesOffering operation.

ReservedCacheNodeId -> (string)

The unique identifier for the reservation.

ReservedCacheNodesOfferingId -> (string)

The offering identifier.

CacheNodeType -> (string)

The cache node type for the reserved cache nodes.

The following node types are supported by ElastiCache. Generally speaking, the current generation types provide more memory and computational power at lower cost when compared to their equivalent previous generation counterparts.

  • General purpose:

    • Current generation: M7g node types : cache.m7g.large , cache.m7g.xlarge , cache.m7g.2xlarge , cache.m7g.4xlarge , cache.m7g.8xlarge , cache.m7g.12xlarge , cache.m7g.16xlarge

    Note

    For region availability, see Supported Node Types

    M6g node types (available only for Redis OSS engine version 5.0.6 onward and for Memcached engine version 1.5.16 onward): cache.m6g.large , cache.m6g.xlarge , cache.m6g.2xlarge , cache.m6g.4xlarge , cache.m6g.8xlarge , cache.m6g.12xlarge , cache.m6g.16xlarge M5 node types: cache.m5.large , cache.m5.xlarge , cache.m5.2xlarge , cache.m5.4xlarge , cache.m5.12xlarge , cache.m5.24xlarge M4 node types: cache.m4.large , cache.m4.xlarge , cache.m4.2xlarge , cache.m4.4xlarge , cache.m4.10xlarge T4g node types (available only for Redis OSS engine version 5.0.6 onward and Memcached engine version 1.5.16 onward): cache.t4g.micro , cache.t4g.small , cache.t4g.medium T3 node types: cache.t3.micro , cache.t3.small , cache.t3.medium T2 node types: cache.t2.micro , cache.t2.small , cache.t2.medium

    • Previous generation: (not recommended. Existing clusters are still supported but creation of new clusters is not supported for these types.) T1 node types: cache.t1.micro M1 node types: cache.m1.small , cache.m1.medium , cache.m1.large , cache.m1.xlarge M3 node types: cache.m3.medium , cache.m3.large , cache.m3.xlarge , cache.m3.2xlarge

  • Compute optimized:

    • Previous generation: (not recommended. Existing clusters are still supported but creation of new clusters is not supported for these types.) C1 node types: cache.c1.xlarge

  • Memory optimized:

    • Current generation: R7g node types : cache.r7g.large , cache.r7g.xlarge , cache.r7g.2xlarge , cache.r7g.4xlarge , cache.r7g.8xlarge , cache.r7g.12xlarge , cache.r7g.16xlarge

    Note

    For region availability, see Supported Node Types

    R6g node types (available only for Redis OSS engine version 5.0.6 onward and for Memcached engine version 1.5.16 onward): cache.r6g.large , cache.r6g.xlarge , cache.r6g.2xlarge , cache.r6g.4xlarge , cache.r6g.8xlarge , cache.r6g.12xlarge , cache.r6g.16xlarge R5 node types: cache.r5.large , cache.r5.xlarge , cache.r5.2xlarge , cache.r5.4xlarge , cache.r5.12xlarge , cache.r5.24xlarge R4 node types: cache.r4.large , cache.r4.xlarge , cache.r4.2xlarge , cache.r4.4xlarge , cache.r4.8xlarge , cache.r4.16xlarge

    • Previous generation: (not recommended. Existing clusters are still supported but creation of new clusters is not supported for these types.) M2 node types: cache.m2.xlarge , cache.m2.2xlarge , cache.m2.4xlarge R3 node types: cache.r3.large , cache.r3.xlarge , cache.r3.2xlarge , cache.r3.4xlarge , cache.r3.8xlarge
Additional node type info
  • All current generation instance types are created in Amazon VPC by default.
  • Valkey or Redis OSS append-only files (AOF) are not supported for T1 or T2 instances.
  • Valkey or Redis OSS Multi-AZ with automatic failover is not supported on T1 instances.
  • The configuration variables appendonly and appendfsync are not supported on Valkey, or on Redis OSS version 2.8.22 and later.

StartTime -> (timestamp)

The time the reservation started.

Duration -> (integer)

The duration of the reservation in seconds.

FixedPrice -> (double)

The fixed price charged for this reserved cache node.

UsagePrice -> (double)

The hourly price charged for this reserved cache node.

CacheNodeCount -> (integer)

The number of cache nodes that have been reserved.

ProductDescription -> (string)

The description of the reserved cache node.

OfferingType -> (string)

The offering type of this reserved cache node.

State -> (string)

The state of the reserved cache node.

RecurringCharges -> (list)

The recurring price charged to run this reserved cache node.

(structure)

Contains the specific price and frequency of a recurring charges for a reserved cache node, or for a reserved cache node offering.

RecurringChargeAmount -> (double)

The monetary amount of the recurring charge.

RecurringChargeFrequency -> (string)

The frequency of the recurring charge.

ReservationARN -> (string)

The Amazon Resource Name (ARN) of the reserved cache node.

Example: arn:aws:elasticache:us-east-1:123456789012:reserved-instance:ri-2017-03-27-08-33-25-582

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