yahoo-eng-team team mailing list archive

[Grégoire Unbekandt <1895663@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

When using the image import "web-download" the downloaded data size is
not checked.

This can result in corrupted images in case of network failures or if
the source breaks the connection. In such a case Glance should interrupt
the process instead of continuing the import.

If the server hosting the data supports the header "Content-Length",
Glance should rely on it. All necessaries informations are provided as
"store.add" already returns the written size.

https://github.com/openstack/glance/blob/master/glance/async_/flows/_internal_plugins/web_download.py#L120

** Affects: glance
     Importance: Undecided
     Assignee: Grégoire Unbekandt (gregoire-unbekandt)
         Status: New

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https://bugs.launchpad.net/bugs/1895663

Title:
  Image import "web-download" doesn't check on download size

Status in Glance:
  New

Bug description:
  When using the image import "web-download" the downloaded data size is
  not checked.

  This can result in corrupted images in case of network failures or if
  the source breaks the connection. In such a case Glance should
  interrupt the process instead of continuing the import.

  If the server hosting the data supports the header "Content-Length",
  Glance should rely on it. All necessaries informations are provided as
  "store.add" already returns the written size.

  https://github.com/openstack/glance/blob/master/glance/async_/flows/_internal_plugins/web_download.py#L120

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