Open Stack

Hi, I'd like you to take a look at this patch for potential
DocImpact.
https://review.openstack.org/23256

Log:
commit 3acb569f3d0b62e229c7c79593a38e292a4aeb35
Author: Stephen Gran <stephen.gran at guardian.co.uk>
Date:   Fri Mar 1 08:22:16 2013 +0000

    Add CRUD methods for tags to the EC2 API.
    
    This is an incomplete implementation of the EC2 tags API.  In EC2, most
    resources are able to be tagged.  See
    http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/Using_Tags.html
    
    In openstack, the only currently 'taggable' resource is an instance, as
    it has an instance_metadata table associated.  So far, only instance
    tagging has been implemented, but it is relatively simple to extend this
    to other resource types by creating the associated model and api calls.
    
    Additionally, in EC2 searches, shell-style globs are allowed, eg:
    fo* will match fo, foo, foobar
    fo? will match foo
    
    This has been left to do at a later date.
    
    DocImpact: Adds new API calls: CreateTags, DeleteTags, DescribeTags
    See:
    http://docs.aws.amazon.com/AWSEC2/latest/APIReference/ApiReference-query-CreateTags.html
    http://docs.aws.amazon.com/AWSEC2/latest/APIReference/ApiReference-query-DeleteTags.html
    http://docs.aws.amazon.com/AWSEC2/latest/APIReference/ApiReference-query-DescribeTags.html
    
    Fixes: bug #1096821
    Implements: blueprint ec2-tags-api
    
    Change-Id: Idf1108f6a3476cabdbdb32ff41c00aa4bc2d9ffe
    Signed-off-by: Stephen Gran <stephen.gran at guardian.co.uk>