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Describes one or more of the Reserved Instances that you purchased.
Starting with the 2011-11-01 API version, AWS expanded its offering of Amazon EC2 Reserved
Instances to address a range of projected instance use. There are three types of Reserved Instances based
on customer utilization levels: Heavy Utilization, Medium Utilization,
and Light Utilization. You determine the type of the Reserved Instances offerings by including the optional
offeringType parameter. The Medium Utilization offering type is equivalent to the Reserved
Instance offering available before API version 2011-11-01. If you are using tools that predate the
2011-11-01 API version, you only have access to the
Medium Utilization Reserved Instance offering type.
For more information about Reserved Instances, see Reserved Instances in the Amazon Elastic Compute Cloud User Guide.
One or more Reserved Instance IDs.
Default: Describes all your Reserved Instances, or only those otherwise specified.
The Reserved Instance offering type.
Heavy Utilization |
Medium Utilization |
The name of a filter. See the Supported Filters section for a list of supported filter names.
A value for the filter. See the Supported Filters section for a list of supported values for each filter.
You can specify filter so that the response includes information for only certain Reserved Instances. For example, you can use a filter to specify that you're interested in Reserved Instances in a specific Availability Zone. You can specify multiple values for a filter. The response includes information for a Reserved Instance only if it matches at least one of the filter values that you specified.
You can specify multiple filters; for example, specify Reserved Instances that are in a specific Availability Zone and have a specific tag. The response includes information for a Reserved Instance only if it matches all of the filters that you specified. If there's no match, no special message is returned, the response is simply empty.
You can use wildcards in a filter value. An asterisk (*) matches zero or more characters, and a question mark (?) matches exactly one character. You can escape special characters using a backslash (\) before the character. For example, a value of
\*amazon\?\\ searches for the literal string
The following are the available filters.
The Availability Zone where the Reserved Instance can be used.
The duration of the Reserved Instance (one year or three years), in seconds.
The purchase price of the Reserved Instance (for example,
The instance type on which the Reserved Instance can be used.
The product description of the Reserved Instance.
Linux/UNIX (Amazon VPC) |
Windows (Amazon VPC)
The ID of the Reserved Instance.
The time at which the Reserved Instance purchase request was placed (for example, 2010-08-07T11:54:42.000Z).
The state of the Reserved Instance.
The key of a tag assigned to the resource. This filter is independent of the
tag-value filter. For example, if you use both the filter "
tag-key=Purpose" and the filter "
tag-value=X", you get any resources assigned both the tag key
Purpose (regardless of what the tag's value is), and the tag value
X (regardless of what the tag's key is). If you want to list only resources where Purpose is X, see the
For more information about tags, see Tagging Your Resources in the Amazon Elastic Compute Cloud User Guide.
The value of a tag assigned to the resource. This filter is independent of the
Filters the response based on a specific tag/value combination.
Example: To list just the resources that have been assigned tag Purpose=X, specify:
Example: To list just resources that have been assigned tag Purpose=X OR Purpose=Y, specify:
The usage price of the Reserved Instance, per hour (for example,
The following elements are returned in a
The ID of the request.
A list of Reserved Instances, each one wrapped in an
This example describes Reserved Instances owned by your account.
<DescribeReservedInstancesResponse xmlns="http://ec2.amazonaws.com/doc/2013-02-01/"> <requestId>59dbff89-35bd-4eac-99ed-be587EXAMPLE</requestId> <reservedInstancesSet> <item> <reservedInstancesId>4b2293b4-5813-4cc8-9ce3-1957fc1dcfc8EXAMPLE</reservedInstancesId> <instanceType>m1.xlarge</instanceType> <availabilityZone>us-east-1a</availabilityZone> <duration>31536000</duration> <fixedPrice>1820.0</fixedPrice> <usagePrice>0.24</usagePrice> <instanceCount>3</instanceCount> <productDescription>Linux/UNIX</productDescription> <state>active</state> <instanceTenancy>default</instanceTenancy> <currencyCode>USD</currencyCode> <offeringType>Light Utilization</offeringType> <recurringCharges/> </item> </reservedInstancesSet> </DescribeReservedInstancesResponse>
This example filters the response to include only one-year, m1.small Linux/UNIX Reserved Instances. If you want Linux/UNIX Reserved Instances specifically for use with a VPC, set the product description to
Linux/UNIX (Amazon VPC).
https://ec2.amazonaws.com/?Action=DescribeReservedInstances &Filter.1.Name=duration &Filter.1.Value.1=31536000 &Filter.2.Name=instance-type &Filter.2.Value.1=m1.small &Filter.3.Name=product-description &Filter.3.Value.1=Linux/UNIX &AUTHPARAMS