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[Travis Tripp <1551815@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

On Angular panels that use client side routing and also have policy
checks (just about any angular panel with actions), you'll see that the
exact same policy API check is repeated when you switch from the table
listing to the details and back.

Example:

http://127.0.0.1:8005/project/ngimages/

[01/Mar/2016 15:40:53] "POST /api/policy/ HTTP/1.1" 200 17
[01/Mar/2016 15:40:53] "POST /api/policy/ HTTP/1.1" 200 17
[01/Mar/2016 15:40:53] "POST /api/policy/ HTTP/1.1" 200 17
[01/Mar/2016 15:40:53] "GET /api/keystone/user-session/ HTTP/1.1" 200 383
[01/Mar/2016 15:40:53] "GET /api/keystone/svc-catalog/ HTTP/1.1" 200 7404
[01/Mar/2016 15:40:53] "POST /api/policy/ HTTP/1.1" 200 17

Go to the details page:

[01/Mar/2016 15:41:07] "GET /api/glance/images/2c23ae8e-
f7bb-4239-9a94-e011a9b636fc/ HTTP/1.1" 200 429

Click back to the Table:

[01/Mar/2016 15:41:15] "POST /api/policy/ HTTP/1.1" 200 17
[01/Mar/2016 15:41:15] "POST /api/policy/ HTTP/1.1" 200 17
[01/Mar/2016 15:41:15] "POST /api/policy/ HTTP/1.1" 200 17
[01/Mar/2016 15:41:15] "POST /api/policy/ HTTP/1.1" 200 17

The policy being checked will not change between these clicks.  These
checks are using the policy service:

https://github.com/openstack/horizon/blob/master/openstack_dashboard/static/app/core
/openstack-service-api/policy.service.js#L105

This service doesn't have caching like the other services (User session,
service catalog, cinder extensions), causing many extra API hits as the
page is navigated.

** Affects: horizon
     Importance: Undecided
     Assignee: Travis Tripp (travis-tripp)
         Status: New

** Changed in: horizon
     Assignee: (unassigned) => Travis Tripp (travis-tripp)

** Changed in: horizon
    Milestone: None => mitaka-3

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https://bugs.launchpad.net/bugs/1551815

Title:
  Angular policy checks repeated

Status in OpenStack Dashboard (Horizon):
  New

Bug description:
  On Angular panels that use client side routing and also have policy
  checks (just about any angular panel with actions), you'll see that
  the exact same policy API check is repeated when you switch from the
  table listing to the details and back.

  Example:

  http://127.0.0.1:8005/project/ngimages/

  [01/Mar/2016 15:40:53] "POST /api/policy/ HTTP/1.1" 200 17
  [01/Mar/2016 15:40:53] "POST /api/policy/ HTTP/1.1" 200 17
  [01/Mar/2016 15:40:53] "POST /api/policy/ HTTP/1.1" 200 17
  [01/Mar/2016 15:40:53] "GET /api/keystone/user-session/ HTTP/1.1" 200 383
  [01/Mar/2016 15:40:53] "GET /api/keystone/svc-catalog/ HTTP/1.1" 200 7404
  [01/Mar/2016 15:40:53] "POST /api/policy/ HTTP/1.1" 200 17

  Go to the details page:

  [01/Mar/2016 15:41:07] "GET /api/glance/images/2c23ae8e-
  f7bb-4239-9a94-e011a9b636fc/ HTTP/1.1" 200 429

  Click back to the Table:

  [01/Mar/2016 15:41:15] "POST /api/policy/ HTTP/1.1" 200 17
  [01/Mar/2016 15:41:15] "POST /api/policy/ HTTP/1.1" 200 17
  [01/Mar/2016 15:41:15] "POST /api/policy/ HTTP/1.1" 200 17
  [01/Mar/2016 15:41:15] "POST /api/policy/ HTTP/1.1" 200 17

  The policy being checked will not change between these clicks.  These
  checks are using the policy service:

  https://github.com/openstack/horizon/blob/master/openstack_dashboard/static/app/core
  /openstack-service-api/policy.service.js#L105

  This service doesn't have caching like the other services (User
  session, service catalog, cinder extensions), causing many extra API
  hits as the page is navigated.

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