[openstack-dev] [Solum][Pecan][Security] Pecan SecureController vs. Nova policy
doug.hellmann at dreamhost.com
Tue Jan 7 12:54:09 UTC 2014
On Mon, Jan 6, 2014 at 6:26 PM, Georgy Okrokvertskhov <
gokrokvertskhov at mirantis.com> wrote:
> Hi Dough,
> Thank you for pointing to this code. As I see you use OpenStack policy
> framework but not Pecan security features. How do you implement fine grain
> access control like user allowed to read only, writers and admins. Can you
> block part of API methods for specific user like access to create methods
> for specific user role?
The policy enforcement isn't simple on/off switching in ceilometer, so
we're using the policy framework calls in a couple of places within our API
code (look through v2.py for examples). As a result, we didn't need to
build much on top of the existing policy module to interface with pecan.
For your needs, it shouldn't be difficult to create a couple of decorators
to combine with pecan's hook framework to enforce the policy, which might
be less complex than trying to match the operating model of the policy
system to pecan's security framework.
This is the sort of thing that should probably go through Oslo and be
shared, so please consider contributing to the incubator when you have
> On Mon, Jan 6, 2014 at 2:45 PM, Doug Hellmann <doug.hellmann at dreamhost.com
> > wrote:
>> On Mon, Jan 6, 2014 at 2:56 PM, Georgy Okrokvertskhov <
>> gokrokvertskhov at mirantis.com> wrote:
>>> In Solum project we will need to implement security and ACL for Solum
>>> API. Currently we use Pecan framework for API. Pecan has its own security
>>> model based on SecureController class. At the same time OpenStack widely
>>> uses policy mechanism which uses json files to control access to specific
>>> API methods.
>>> I wonder if someone has any experience with implementing security and
>>> ACL stuff with using Pecan framework. What is the right way to provide
>>> security for API?
>> In ceilometer we are using the keystone middleware and the policy
>> framework to manage arguments that constrain the queries handled by the
>> storage layer.
>>> OpenStack-dev mailing list
>>> OpenStack-dev at lists.openstack.org
>> OpenStack-dev mailing list
>> OpenStack-dev at lists.openstack.org
> Georgy Okrokvertskhov
> Technical Program Manager,
> Cloud and Infrastructure Services,
> Tel. +1 650 963 9828
> Mob. +1 650 996 3284
> OpenStack-dev mailing list
> OpenStack-dev at lists.openstack.org
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