[openstack-dev] [Neutron][LBaaS] Barbican Neutron LBaaS Integration Ideas

Jain, Vivek VIVEKJAIN at ebay.com
Mon Jun 9 17:33:31 UTC 2014


+1 for the idea of making certificate immutable.
However, if Barbican allows updating certs/containers then versioning is a
must.

Thanks,
Vivek


On 6/8/14, 11:48 PM, "Samuel Bercovici" <SamuelB at Radware.com> wrote:

>Hi,
>
>I think that option 2 should be preferred at this stage.
>I also think that certificate should be immutable, if you want a new one,
>create a new one and update the listener to use it.
>This removes any chance of mistakes, need for versioning etc.
>
>-Sam.
>
>-----Original Message-----
>From: Jorge Miramontes [mailto:jorge.miramontes at RACKSPACE.COM]
>Sent: Friday, June 06, 2014 10:16 PM
>To: OpenStack Development Mailing List (not for usage questions)
>Subject: [openstack-dev] [Neutron][LBaaS] Barbican Neutron LBaaS
>Integration Ideas
>
>Hey everyone,
>
>Per our IRC discussion yesterday I'd like to continue the discussion on
>how Barbican and Neutron LBaaS will interact. There are currently two
>ideas in play and both will work. If you have another idea please free to
>add it so that we may evaluate all the options relative to each other.
>Here are the two current ideas:
>
>1. Create an eventing system for Barbican that Neutron LBaaS (and other
>services) consumes to identify when to update/delete updated secrets from
>Barbican. For those that aren't up to date with the Neutron LBaaS API
>Revision, the project/tenant/user provides a secret (container?) id when
>enabling SSL/TLS functionality.
>
>* Example: If a user makes a change to a secret/container in Barbican
>then Neutron LBaaS will see an event and take the appropriate action.
>
>PROS:
> - Barbican is going to create an eventing system regardless so it will
>be supported.
> - Decisions are made on behalf of the user which lessens the amount of
>calls the user has to make.
>
>CONS:
> - An eventing framework can become complex especially since we need to
>ensure delivery of an event.
> - Implementing an eventing system will take more time than option #2ŠI
>think.
>
>2. Push orchestration decisions to API users. This idea comes with two
>assumptions. The first assumption is that most providers' customers use
>the cloud via a GUI, which in turn can handle any orchestration decisions
>that need to be made. The second assumption is that power API users are
>savvy and can handle their decisions as well. Using this method requires
>services, such as LBaaS, to "register" in the form of metadata to a
>barbican container.
>
>* Example: If a user makes a change to a secret the GUI can see which
>services are registered and opt to warn the user of consequences. Power
>users can look at the registered services and make decisions how they see
>fit.
>
>PROS:
> - Very simple to implement. The only code needed to make this a reality
>is at the control plane (API) level.
> - This option is more loosely coupled that option #1.
>
>CONS:
> - Potential for services to not register/unregister. What happens in
>this case?
> - Pushes complexity of decision making on to GUI engineers and power API
>users.
>
>
>I would like to get a consensus on which option to move forward with ASAP
>since the hackathon is coming up and delivering Barbican to Neutron LBaaS
>integration is essential to exposing SSL/TLS functionality, which almost
>everyone has stated is a #1/#2 priority.
>
>I'll start the decision making process by advocating for option #2. My
>reason for choosing option #2 has to deal mostly with the simplicity of
>implementing such a mechanism. Simplicity also means we can implement the
>necessary code and get it approved much faster which seems to be a
>concern for everyone. What option does everyone else want to move forward
>with?
>
>
>
>Cheers,
>--Jorge
>
>
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