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[OpenStack Infra <1551836@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://review.openstack.org/286818
Committed: https://git.openstack.org/cgit/openstack/neutron/commit/?id=aae181817e5f463a959b08477e9c2c8d94eadc25
Submitter: Jenkins
Branch:    master

commit aae181817e5f463a959b08477e9c2c8d94eadc25
Author: Michael Krotscheck <krotscheck@xxxxxxxxx>
Date:   Tue Mar 1 12:21:33 2016 -0800

    Moved CORS middleware configuration into oslo-config-generator
    
    The default values needed for neutron's implementation of cors
    middleware have been moved from paste.ini into the configuration
    hooks provided by oslo.config. Furthermore, these values have been
    added to neutron's default configuration parsing. This ensures
    that if a value remains unset in neutron.conf, it will be set to use
    sane defaults, and that an operator modifying the configuration
    file will be presented with a default set of necessary sane headers.
    
    Change-Id: I327d1d7ce50dd4a20d781e6251a5af81c57e6ca1
    Closes-Bug: 1551836


** Changed in: neutron
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1551836

Title:
  CORS middleware's latent configuration options need to change

Status in Aodh:
  Fix Released
Status in Barbican:
  In Progress
Status in Ceilometer:
  Fix Released
Status in Cinder:
  In Progress
Status in cloudkitty:
  In Progress
Status in congress:
  In Progress
Status in Cue:
  In Progress
Status in Designate:
  Fix Released
Status in Glance:
  Fix Released
Status in heat:
  In Progress
Status in Ironic:
  Fix Released
Status in OpenStack Identity (keystone):
  Fix Released
Status in Magnum:
  In Progress
Status in Manila:
  Fix Released
Status in Mistral:
  In Progress
Status in Murano:
  Fix Released
Status in neutron:
  Fix Released
Status in OpenStack Compute (nova):
  Fix Released
Status in oslo.config:
  Fix Released
Status in Sahara:
  Fix Released
Status in OpenStack Search (Searchlight):
  Fix Released
Status in Solum:
  Fix Released
Status in Trove:
  In Progress

Bug description:
  It was pointed out in http://lists.openstack.org/pipermail/openstack-
  dev/2016-February/086746.html that configuration options included in
  paste.ini are less than optimal, because they impose an upgrade burden
  on both operators and engineers. The following discussion expanded to
  all projects (not just those using paste), and the following
  conclusion was reached:

  A) All generated configuration files should contain any headers which the API needs to operate. This is currently supported in oslo.config's generate-config script, as of 3.7.0
  B) These same configuration headers should be set as defaults for the given API, using cfg.set_defaults. This permits an operator to simply activate a domain, and not have to worry about tweaking additional settings.
  C) All hardcoded headers should be detached from the CORS middleware.
  D) Configuration and activation of CORS should be consistent across all projects.

  It was also agreed that this is a blocking bug for mitaka. A reference
  patch has already been approved for keystone, available here:
  https://review.openstack.org/#/c/285308/

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