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Manual Reference Pages  -  VM::EC2::BLOCKDEVICE::ATTACHMENT (3)

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NAME

VM::EC2::BlockDevice::Attachment - Object describing the attachment of an EBS volume to an instance

CONTENTS

SYNOPSIS



  use VM::EC2;

  $ec2         = VM::EC2->new(...);
  $volume      = $ec2->describe_volumes(-volume_id=>vol-12345);
  $attachment  = $ec2->attachment;

  $volId       = $attachment->volumeId;
  $device      = $attachment->device;
  $instanceId  = $attachment->instanceId;
  $status      = $attachment->status;
  $time        = $attachment->attachTime;
  $delete      = $attachment->deleteOnTermination;
  $attachment->deleteOnTermination(1); # change delete flag



DESCRIPTION

This object is used to describe the attachment of an Amazon EBS volume to an instance. It is returned by VM::EC2::Volume->attachment().

METHODS

The following object methods are supported:



 volumeId         -- ID of the volume.
 instanceId       -- ID of the instance
 status           -- Attachment state, one of "attaching", "attached",
                     "detaching", "detached".
 attachTime       -- Timestamp for when volume was attached
 deleteOnTermination -- True if the EBS volume will be deleted when its
                     attached instance terminates. Note that this is a
                     Perl true, and not the string "true".



The deleteOnTermination method is slightly more sophisticated than the result from the standard AWS API because it returns the CURRENT deleteOnTermination flag for the attachment, which might have been changed by VM::EC2->modify_instance_attributes(). You may also change the deleteOnTermination state by passing a boolean argument to the method:



  $attachment->deleteOnTermination(1);



In addition, this class provides several convenience functions:

CW$instance = CW$attachment->instance

Returns the VM::EC2::Instance corresponding to this attachment.

CW$volume = CW$attachment->volume

Returns the VM::EC2::Volume object corresponding to this attachment.

CW$device = CW$attachment->deviceName

Alias for device() to be compatible with VM::EC2::BlockDevice::Mapping call.

CW$result = CW$attachment->deleteOnTermination($boolean)

Change the deleteOnTermination flag on this attachment.

CW$status = CW$attachment->current_status

Refreshes the information in the object and returns status().

CW$attachment->refresh

Calls AWS to refresh the attachment information.

STRING OVERLOADING

When used in a string context, this object will interpolate into a string of the format volumeId=>instanceId.

SEE ALSO

VM::EC2 VM::EC2::Generic VM::EC2::Instance VM::EC2::Volume

AUTHOR

Lincoln Stein <lincoln.stein@gmail.com>.

Copyright (c) 2011 Ontario Institute for Cancer Research

This package and its accompanying libraries is free software; you can redistribute it and/or modify it under the terms of the GPL (either version 1, or at your option, any later version) or the Artistic License 2.0. Refer to LICENSE for the full license text. In addition, please see DISCLAIMER.txt for disclaimers of warranty.

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perl v5.20.3 VM::EC2::BLOCKDEVICE::ATTACHMENT (3) 2016-04-03

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