[Bug 1388880] [NEW] metadata update should not delete large file manifest

Chris Stratford chris.stratford at canonical.com
Mon Nov 3 15:40:29 UTC 2014


Public bug reported:

If you upload a large file into swift using "swift -S" (or presumably
the upload() method) then add extra metadata using "swift post -m" (or
post_object()), the large file manifest metadata is deleted.  It
shouldn't do that.

$ swift upload -S 10000000 chrisstest /boot/initrd.img-3.16.0-22-generic
boot/initrd.img-3.16.0-22-generic segment 3
boot/initrd.img-3.16.0-22-generic segment 0
boot/initrd.img-3.16.0-22-generic segment 1
boot/initrd.img-3.16.0-22-generic segment 2
/boot/initrd.img-3.16.0-22-generic

$ swift stat chrisstest boot/initrd.img-3.16.0-22-generic
       Account: AUTH_06b6c15ea8c54b8f9832cbaf1ccccfb6
     Container: chrisstest
        Object: boot/initrd.img-3.16.0-22-generic
  Content Type: application/octet-stream
Content Length: 30730085
 Last Modified: Mon, 03 Nov 2014 14:51:20 GMT
          ETag: "235bbbe8ab0520eec94a6bb8cc079db6"
      Manifest: chrisstest_segments/boot/initrd.img-3.16.0-22-generic/1413445437.000000/30730085/10000000/
    Meta Mtime: 1413445437.000000
 Accept-Ranges: bytes
   X-Timestamp: 1415026308.79456

$ swift post -m "x-object-meta-test1:test1" chrisstest
boot/initrd.img-3.16.0-22-generic

$ swift stat chrisstest boot/initrd.img-3.16.0-22-generic
                 Account: AUTH_06b6c15ea8c54b8f9832cbaf1ccccfb6
               Container: chrisstest
                  Object: boot/initrd.img-3.16.0-22-generic
            Content Type: application/octet-stream
          Content Length: 30730085
           Last Modified: Mon, 03 Nov 2014 14:53:52 GMT
                    ETag: 53d3910d4f2cea329b515f19cbb5ca89
Meta X-Object-Meta-Test1: test1
           Accept-Ranges: bytes
             X-Timestamp: 1415026432.67306

Interestingly, "swift download" (and the get_object() method) do re-
create the segmented file correctly even without the manifest (does it
just make an opportunistic look for chrisstest_segments?)


System details:

$ lsb_release -rd
Description:	Ubuntu 14.10
Release:	14.10

$ apt-cache policy python-swiftclient
python-swiftclient:
  Installed: 1:2.3.0-0ubuntu1
  Candidate: 1:2.3.0-0ubuntu1
  Version table:
 *** 1:2.3.0-0ubuntu1 0
        500 http://gb.archive.ubuntu.com/ubuntu/ utopic/main amd64 Packages
        100 /var/lib/dpkg/status

** Affects: swift (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1388880

Title:
  metadata update should not delete large file manifest

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