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[Thierry Carrez <thierry.carrez+lp@xxxxxxxxx>]

** Changed in: glance
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1147231

Title:
  v2 image data upload raises exception

Status in OpenStack Image Registry and Delivery Service (Glance):
  Fix Released

Bug description:
  With the latest devstack:


  curl -i -k -X PUT  -H 'Co -H "x-auth-token: $TOKEN"ntent-Type:
  application/octet-stream' --data-binary @/etc/motd
  http://localhost:9292/v2/images/7454cb8d-b033-4aa5-9476-0b9f0752ef75/file

  HTTP/1.1 500 Internal Server Error
  Content-Type: text/plain
  Content-Length: 4988
  Date: Tue, 05 Mar 2013 16:24:42 GMT
  Connection: close

  Traceback (most recent call last):
    File "/usr/local/lib/python2.7/dist-packages/eventlet/wsgi.py", line 383, in handle_one_response
      result = self.application(self.environ, start_response)
    File "/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 130, in __call__
      resp = self.call_func(req, *args, **self.kwargs)
    File "/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 195, in call_func
      return self.func(req, *args, **kwargs)
    File "/opt/stack/glance/glance/common/wsgi.py", line 333, in __call__
      response = req.get_response(self.application)
    File "/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1296, in send
      application, catch_exc_info=False)
    File "/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1260, in call_application
      app_iter = application(self.environ, start_response)
    File "/opt/stack/python-keystoneclient/keystoneclient/middleware/auth_token.py", line 349, in __call__
      return self.app(env, start_response)
    File "/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 130, in __call__
      resp = self.call_func(req, *args, **self.kwargs)
    File "/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 195, in call_func
      return self.func(req, *args, **kwargs)
    File "/opt/stack/glance/glance/common/wsgi.py", line 333, in __call__
      response = req.get_response(self.application)
    File "/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1296, in send
      application, catch_exc_info=False)
    File "/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1260, in call_application
      app_iter = application(self.environ, start_response)
    File "/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 130, in __call__
      resp = self.call_func(req, *args, **self.kwargs)
    File "/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 195, in call_func
      return self.func(req, *args, **kwargs)
    File "/opt/stack/glance/glance/common/wsgi.py", line 333, in __call__
      response = req.get_response(self.application)
    File "/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1296, in send
      application, catch_exc_info=False)
    File "/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1260, in call_application
      app_iter = application(self.environ, start_response)
    File "/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 130, in __call__
      resp = self.call_func(req, *args, **self.kwargs)
    File "/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 195, in call_func
      return self.func(req, *args, **kwargs)
    File "/opt/stack/glance/glance/common/wsgi.py", line 333, in __call__
      response = req.get_response(self.application)
    File "/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1296, in send
      application, catch_exc_info=False)
    File "/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1260, in call_application
      app_iter = application(self.environ, start_response)
    File "/usr/lib/python2.7/dist-packages/paste/urlmap.py", line 203, in __call__
      return app(environ, start_response)
    File "/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 144, in __call__
      return resp(environ, start_response)
    File "/usr/lib/python2.7/dist-packages/routes/middleware.py", line 131, in __call__
      response = self.app(environ, start_response)
    File "/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 144, in __call__
      return resp(environ, start_response)
    File "/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 130, in __call__
      resp = self.call_func(req, *args, **self.kwargs)
    File "/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 195, in call_func
      return self.func(req, *args, **kwargs)
    File "/opt/stack/glance/glance/common/wsgi.py", line 540, in __call__
      request, **action_args)
    File "/opt/stack/glance/glance/common/wsgi.py", line 557, in dispatch
      return method(*args, **kwargs)
    File "/opt/stack/glance/glance/common/utils.py", line 413, in wrapped
      return func(self, req, *args, **kwargs)
    File "/opt/stack/glance/glance/api/v2/image_data.py", line 51, in upload
      image.set_data(data, size)
    File "/opt/stack/glance/glance/domain.py", line 182, in set_data
      self.base.set_data(data, size)
    File "/opt/stack/glance/glance/notifier/__init__.py", line 191, in set_data
      self.image.set_data(data, size)
    File "/opt/stack/glance/glance/domain.py", line 182, in set_data
      self.base.set_data(data, size)
    File "/opt/stack/glance/glance/store/__init__.py", line 351, in set_data
      self.image.image_id, data, size)
    File "/opt/stack/glance/glance/store/__init__.py", line 292, in add_to_backend
      return store.add(image_id, data, size)
    File "/opt/stack/glance/glance/store/swift.py", line 295, in add
      content_length=image_size)
    File "/opt/stack/python-swiftclient/swiftclient/client.py", line 1099, in put_object
      orig_pos = tell()
  UnsupportedOperation: seek

  
  From debug, with the v1 api we pass a 
  CooperativeReader objet to swift whereas with v2 we pass a BufferedReader.

  
  the following change:

  $ git diff
  diff --git a/glance/api/v2/image_data.py b/glance/api/v2/image_data.py
  index 1e67382..1724a8f 100644
  --- a/glance/api/v2/image_data.py
  +++ b/glance/api/v2/image_data.py
  @@ -48,7 +48,7 @@ class ImageDataController(object):
           image_repo = self.gateway.get_repo(req.context)
           try:
               image = image_repo.get(image_id)
  -            image.set_data(data, size)
  +            image.set_data(utils.CooperativeReader(data), size)
               image_repo.save(image)
           except exception.Duplicate, e:
               msg = _("Unable to upload duplicate image data for image: %s")

  allows the data to be uploaded ok:

  $ curl -i -k -X PUT -H "x-auth-token: $TOKEN" -H 'Content-Type: application/octet-stream' --data-binary @/etc/motd http://localhost:9292/v2/images/7454cb8d-b033-4aa5-9476-0b9f0752ef75/file
  HTTP/1.1 204 No Content
  Content-Type: text/html; charset=UTF-8
  Content-Length: 0
  X-Openstack-Request-Id: req-487db605-fb43-4cbd-b9e0-f563a0d8bd56
  Date: Tue, 05 Mar 2013 16:31:52 GMT

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