Open Stack

Hi, I'd like you to take a look at this patch for potential
DocImpact.
https://review.openstack.org/18468

Log:
commit 7a03307b549583c76184e4a27adb6bc12948cd06
Author: gengjh <gengjh at cn.ibm.com>
Date:   Wed Jan 23 19:29:34 2013 +0800

    Change Nova client to support the attach CD-ROM when run new VM
    
    Support extend the block_device_mapping to attach CD-ROM device with an
    image, the nova boot command line will like this:
    nova boot --image $(glance index | grep RHEL6.3 | awk '{print $1}')
    --flavor 1 --block_device_mapping
    cdrom1=a650060c-09f9-44b4-9eec-196d36a3b7ea:optical mytest-1
    
     * cdrom1: the cdrom device name
     * image id: the image id
     * optical: device type, if it is 'optical', we will attach a CD-ROM
    
    blueprint attach-cdrom-when-run-system
    
    DocImpact
    
    This commit depends on the final design on
    https://review.openstack.org/#/c/18469/
    
    Change-Id: Ibd97a8034bea17db695bd561e364e065a73ca733