28 Jul 2012 19:57:18 UTC
- Distribution: VM-EC2
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- COMMAND-LINE OPTIONS
- ENVIRONMENT VARIABLES
- INSTALLING THIS SCRIPT
- IMPORTANT CAVEATS
- SEE ALSO
migrate-ebs-image.pl Copy an EBS-backed Amazon Image from one region to another
% migrate-ebs-image.pl --from us-east-1 --to ap-southeast-1 ami-123456
This script copies an EBS-backed AMI located in the EC2 region indicated by --from to the region indicated by --to. All associated volume snapshots, including LVM and RAID volumes, are migrated as well.
If --from is omitted, then the source region is derived from the endpoint URL contained in the EC2_URL environment variable. The --to option is required.
Options can be abbreviated. For example, you can use -l for --list-regions
--from Region in which the AMI is currently located (e.g. "us-east-1") --to Region to which the AMI is to be copied (e.g. "us-west-1") REQUIRED --access_key EC2 access key --secret_key EC2 secret key --endpoint EC2 URL (defaults to http://ec2.amazonaws.com/) --quiet Quench status messages --list-regions List the EC2 regions
The following environment variables are used if the corresponding options are not present:
EC2_ACCESS_KEY your access key EC2_SECRET_KEY your secret key EC2_URL the desired region endpoint
This script is part of the Perl VM::EC2 package. To install from the command line:
% perl -MCPAN -e 'install VM::EC2' % migrate-ebs-image.pl --from us-east-1 --to ap-southeast-1 ami-123456
This script launches two "m1.small" instances, one each in the source and destination regions. It also creates transient volumes in both regions to hold the root volume and all other EBS snapshots associated with the image. Running it will incur charges for instance run time and data storage.
In addition, this script will transfer data from one region to another across the internet, incurring internet data out fees on the source side, and internet data in fees on the destination side. Volumes that contain a filesystem, such as ext4 or ntfs, are copied from source to destination using rsync. Volumes that are part of a RAID or LVM volume are copied at the block level using gzip and dd via the secure shell. In general, rsync will be much faster and parsimonious of network bandwidth than block copying!
Lincoln Stein, email@example.com
Copyright (c) 2012 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.