yahoo-eng-team team mailing list archive

[Jamie Lennox <jamielennox@xxxxxxxxx>]

Public bug reported:

The is_admin_project flag is used in a token to indicate that the
current token is scoped to a project that is indicated as the admin
project. Currently this is only added to the token when the
admin_project is True and nothing added when False.

>From a policy perspective we need to write policy files that are
backwards compatible, however we cannot determine the difference in
policy between is_admin_project == False and the admin project not being
set from config because both result in no flag being set in the token.

If we were to enforce is_admin_project == True on a deployment that did
not use it this would completely break backwards compatibility as the
is_admin_project check would never pass.

To fix this we need to make is_admin_project a required field of a token
at least when the admin project is set.

Because the current default is that every project can be the admin
project, the default value of is_admin_project must be True. For
deployments that do not configure an admin project we can either set
is_admin_project=True for every project, or we can exclude the field
from the token. I think exclude makes sense because the check from a
policy perspective is going to have to default to True for backwards
compatibility and you can then tell from a token whether the
admin_project concept is in use (i'm not sure if this is an information
leakage problem - please comment on preference).

** Affects: keystone
     Importance: Undecided
     Assignee: Adam Young (ayoung)
         Status: New

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https://bugs.launchpad.net/bugs/1577996

Title:
  Unable to distinguish between not is_admin_project and feature not
  enabled

Status in OpenStack Identity (keystone):
  New

Bug description:
  The is_admin_project flag is used in a token to indicate that the
  current token is scoped to a project that is indicated as the admin
  project. Currently this is only added to the token when the
  admin_project is True and nothing added when False.

  From a policy perspective we need to write policy files that are
  backwards compatible, however we cannot determine the difference in
  policy between is_admin_project == False and the admin project not
  being set from config because both result in no flag being set in the
  token.

  If we were to enforce is_admin_project == True on a deployment that
  did not use it this would completely break backwards compatibility as
  the is_admin_project check would never pass.

  To fix this we need to make is_admin_project a required field of a
  token at least when the admin project is set.

  Because the current default is that every project can be the admin
  project, the default value of is_admin_project must be True. For
  deployments that do not configure an admin project we can either set
  is_admin_project=True for every project, or we can exclude the field
  from the token. I think exclude makes sense because the check from a
  policy perspective is going to have to default to True for backwards
  compatibility and you can then tell from a token whether the
  admin_project concept is in use (i'm not sure if this is an
  information leakage problem - please comment on preference).

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