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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LIBCLOUD-540) Implement Copy Object Semantic
Date Tue, 10 Jun 2014 16:43:02 GMT

    [ https://issues.apache.org/jira/browse/LIBCLOUD-540?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14026651#comment-14026651
] 

ASF GitHub Bot commented on LIBCLOUD-540:
-----------------------------------------

GitHub user rgbkrk opened a pull request:

    https://github.com/apache/libcloud/pull/314

    [LIBCLOUD-540] [WIP] Copy object

    This is the beginning of a patch for https://issues.apache.org/jira/browse/LIBCLOUD-540.
It's been sitting on my machine gathering dust, so I'm submitting the WIP it to make sure
I finish it off.

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/rgbkrk/libcloud 540_copy_object

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/libcloud/pull/314.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #314
    
----
commit 06104bed2026e7db29530e07498057fc29ea0c52
Author: Kyle Kelley <kyle.kelley@rackspace.com>
Date:   2014-04-18T16:26:09Z

    Stub out copy object interface.

commit e4dbd02ab16744f6a630b29a6bc9f56be4518fff
Author: Kyle Kelley <kyle.kelley@rackspace.com>
Date:   2014-04-21T21:57:47Z

    Copy object in cloudfiles

commit 6f99f4eef4dbf18c4b320197511d4e61cafc465c
Author: Kyle Kelley <kyle.kelley@rackspace.com>
Date:   2014-06-10T16:37:43Z

    Test copy object.

----


> Implement Copy Object Semantic
> ------------------------------
>
>                 Key: LIBCLOUD-540
>                 URL: https://issues.apache.org/jira/browse/LIBCLOUD-540
>             Project: Libcloud
>          Issue Type: Improvement
>          Components: Storage
>            Reporter: Kyle Kelley
>              Labels: features
>   Original Estimate: 612h
>  Remaining Estimate: 612h
>
> Several providers have a copy object semantic that works within one datacenter/region.
> * [Azure copy Blob|http://msdn.microsoft.com/library/azure/dd894037.aspx]
> * [OpenStack Swift object copy|http://docs.openstack.org/api/openstack-object-storage/1.0/content/copy-object.html].
> I have not dug into Amazon S3 or any others, so I could use some guidance there.
> I'd like to design it to be used cross-providers instead of ex_copy_object, as discussed
[in #275|https://issues.apache.org/jira/browse/LIBCLOUD-275?focusedCommentId=13959367&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13959367].
> I'm imagining that the StorageDriver class would get this function header:
> {code:title=libcloud/storage/base.py|borderStyle=solid}
> class StorageDriver(BaseDriver):
>     ...
>     def copy_object(self, src_container_name, src_object_name, dst_container_name, dst_object_name):
>         """
>         Copy object from one container to another (or the same container with a new name).
>         :param src_container_name: Source container name
>         :type src_container_name: ``str``
>         :param src_object_name: Source object name
>         :type src_object_name: ``str``
>         :param dst_container_name: Destination container name
>         :type dst_container_name: ``str``
>         :param dst_object_name: Destination object name
>         :type dst_object_name: ``str``
>         :rtype: :class:`Object`
>         """
>         raise NotImplementedError(
>             'copy_object not implemented for this driver')
> {code}
> That layout works for both OpenStack/Rackspace/HP and Azure, minus any additional metadata
headers that you might want to send for these providers. Is there a clean way to handle that?



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