Hi Wu Ke, It seems that there is no such kind of full filter feature in Swift API. You have to implement it as a seperate component by yourself. But you can look at Glance image API to see how to implement it since Glance are using Swift to store VM images with Registry and Query features. Specifically you can refer to image-list API. Another suggestion, you need to think about indexing capability since the container will most likely contain millions of objects. If the filtering is based on the full set of objects, it is challenging for performance.
Best Regards,
Edward Zhang(张华) 地址:北京市海淀区东北旺西路8号 中关村
Staff Software Engineer 软件园28号楼 环宇大厦3层 邮编：100193
Travel&Transportation Standards Address: 3F Ring, Building 28
Emerging Technology Institute(ETI) Zhongguancun Software Park, 8
IBM China Software Development Lab Dongbeiwang West Road, Haidian
e-mail: [email protected] District, Beijing, P.R.C.100193
Notes ID: Hua ZZ Zhang/China/IBM
Tel: 86-10-82450483
Ke Wu
<[email protected]>
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.net Subject
[Openstack]
[Horizon][Swift]Cloudfile API
2012-06-12 04:18
Hi everyone,
I am currently working on the Horizon's Swift containers/objects dashboard.
On the dashboard user could retrieve, upload and delete objects which are
in a Swift container.
I tried to use Cloud File's Python API to connect to a Swift container and
retrieve the objects, it all worked well. However, when I headed to
implement filtering object function, I couldn't found a "Filter API"
provided natively. The get_objects function of the Container object in the
API does have a "prefix" parameter to allow me do some basic filter, but
it's far from enough for a full functional filter.
So what I am doing now is to retrieve a list of objects by get_objects
method and filter the objects by name. This method is a bad hack, would
lead to many problems such as breaking pagination, or too much resource
consuming if the objects list is long.
Was I missing some APIs? Or is there any other way that I can do this? Any
thoughts would be helpful.
Please kindly spare any spelling/grammar errors :)
Thanks a lot!
-Ke Wu
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