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Modify Instance Attribute operation

The Modify Instance Attribute operation enables you to modify an attribute of an instance. You can modify only one attribute per call.

The following figure shows a sample <items> XML element for the Modify Instance Attribute operation. 

Sample <items> XML element for the Modify Instance Attribute operation

<items>
   <item>
       <parameters>
           <instance-id></instance-id>
           <instance-type>
               <value></value>
           </instance-type>
           <kernel>
               <value></value>
           </kernel>
           <ramdisk>
               <value></value>
           </ramdisk>
           <user-data>
               <value></value>
           </user-data>
           <instance-initiated-shutdown-behavior>
               <value></value>
           </instance-initiated-shutdown-behavior>
           <block-device-mapping>
               <!--Zero or more repetition-->
               <item>
                   <device-name></device-name>
                   <!--You have a CHOICE of the next 3 items at this level-->
                   <virtual-name></virtual-name>
                   <ebs>
                       <volume-id></volume-id>
                       <!--Optional:-->
                       <delete-on-termination></delete-on-termination>
                   </ebs>
                   <no-device/>
               </item>
           </block-device-mapping>
       </parameters>
   </item>
</items>

The following table describes the elements for this adapter request. 

Adapter request elements for the Modify Instance Attribute operation

Element

Definition

Required

<wsdl-location>

Specifies the target Web Service Description Language (WSDL) URL for Amazon EC2

Examples:

Conditional:

  • Required if not specified in the request
  • If specified in the configuration and request, the value in the request overrides the value in the configuration
<endpoint-address>

Specifies the web service endpoint for the adapter to use while performing operations on Amazon EC2 instances across different regions
Default value: US East region: http://us-east-1.ec2.amazonaws.com/

No

<signature-properties>

Specifies the mode for signing the adapter request

Conditional:

  • Required if not specified in the configuration
  • If <signature-properties mode = "key-files">, requires <private-key-file>
     and <certificate-file>
  • If <signature-properties mode = "key-data">, requires <private-key-data> and <certificate-data>
<operation-name>

Contains the name of the operation: modify-instance-attribute

Yes

<instance-id>

Specifies the instance ID for the instance whose attribute information is to be retrieved

Yes

<instance-type>

Specifies the type of the instance

No

<kernel>

Specifies the kernel ID for the instance

No

<ramdisk>

Specifies the RAM disk ID for the instance

No

<user-data>

Specifies the user data for the instance

No

<instance-initiated-shutdown-behavior>

Specifies whether the Amazon EBS volumes for the instances are stopped or terminated when the instance is shut down

No

<block-device-mapping>

Specifies the Block device mapping set

No

The following figure shows a sample adapter request for the Modify Instance Attribute operation. 

Sample adapter request for the Modify Instance Attribute operation

<amazon-ec2-request>
   <wsdl-location>http://ec2.amazonaws.com/doc/2009-11-30/</wsdl-location>
   <endpoint-address>http://us-east-1.ec2.amazonaws.com/</endpoint-address>
   <signature-properties mode = "key-files">
       <private-key-file>C:\Security\
pk-MJ5GIUNLM2XJ3VRJSYTKOFDWILELDQHB.PEM</private-key-file>
       <certificate-file>C:\Security\
cert-MJ5GIUNLM2XJ3VRJSYTKOFDWILELDQHB.PEM</certificate-file>
   </signature-properties>
   <operation-name>modify-instance-attribute</operation-name>
   <parameters>
       <instance-id>i-bc6c52d4</instance-id>
       <instance-type>
           <value>c1.medium</value>
       </instance-type>
   </parameters>
</amazon-ec2-request>

The following figure shows the response for the sample Modify Instance Attribute operation. 

Sample adapter response for the Modify Instance Attribute operation

<amazon-ec2-response>
   <metadata>
       <status>success</status>
   </metadata>
   <ModifyInstanceAttributeResponse>
       <requestId>b2544b9e-65e1-4fd2-b5b4-0e47fbadf6d3</requestId>
       <return>true</return>
   </ModifyInstanceAttributeResponse>
</amazon-ec2-response>

 

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TrueSight Orchestration Content 21.3