On 25/11/13 03:23 +0000, David koo wrote:
Hi All,Newbie stacker here ... I have a basic question regarding the indended behaviour of Glance's image update API: What is the indended behaviour of Glance when updating an already uploaded image file? The functional test indicates that the intended behaviour is to disallow such updates: glance/tests/v2/test_images.py:test_image_lifecycle:210 # Uploading duplicate data should be rejected with a 409 ... When I configure Glance to use the local filesystem backend I do indeed get a 409 conflict but when I configure Glance to use Swift as the backend the operation succeeds and the original image file is replaced. On a related note, when using the local filesystem backend though I get a 409 conflict, it leaves the image in the "saving" state - I think it shouldn't change the state of the image. There's a bug logged regarding this behaviour (bug 1241379) and I'm working on the fix. But in light of the above question perhaps I should file another bug regarding the Swift storage backend?
As you mentioned, there seems to be a bug in the swift backend. Images are immutable. Thanks for raising this. Cheers, FF -- @flaper87 Flavio Percoco
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