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[Brian Rosmaita <rosmaita.fossdev@xxxxxxxxx>]

Glance v2 doesn't have copy-from by design.  The v1 implementation is
insecure.  See, for example,
https://wiki.openstack.org/wiki/OSSN/OSSN-0078

That being said, in Queens we plan to implement a copy-from
functionality using the interoperable image import process.  I don't
know if it will be a "proper" copy-from, but it should be functional.

** Changed in: glance
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/1710250

Title:
  glance v2 has no proper 'copy-from' method

Status in Glance:
  Invalid

Bug description:
  If one is following the documented steps, there is no way to import an
  image from a remote URL using glance v2, unless one enables deprecated
  options.

  It's asinine to force users to hairpin an image file - (e.g. download
  from remote URL to local FS, then upload to image service)

  A workaround https://bugs.launchpad.net/glance/+bug/1595335 notes that
  `show_multiple_locations` is required for this to work via Horizon,
  and https://bugs.launchpad.net/glance/+bug/1618583 has this option
  deprecated.

  This not only affects Horizon, as using the CLI commands to set an
  image's location causes a 403 error, unless we set
  `show_multiple_locations=True`.

  There has got to be a way to accomplish this easily as the v1 `--copy-
  from` method. It needs to be documented, only documenting examples
  using `--file` is a poor assumption of actual use.

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