[ovirt-devel] [vdsm][mom][jsonrpc] new VDSM interface for MOM

[Adam Litke]

On 11/05/15 04:28 -0400, Francesco Romani wrote:
>Hi everyone,
>
>I'm working to brush up and enhance my old hack https://gerrit.ovirt.org/#/c/37827/1
>
>That patch adds a new MOM interface, to talk with VDSM using the RPC interface.
>On top of that, I want to make efficient use of VDSM API (avoid redundant call, possibly
>issuing only one getAllVmStats call and caching the results, and so forth)
>
>Next step will be to backport optimizations to current vdsmInterface.
>Or maybe, even replacing the new vdsminterface with the new one I'm developing :)
>
>I'd like to use the blessed JSON-RPC interface, but what's the recommended way to
>do that? What is (or will be!) the official recommended VDSM external client interface?
>
>I thought about patch https://gerrit.ovirt.org/#/c/39203/
>
>But my _impression_ is that patch will depend on VDSM's internal reactor, thus is not very
>suitable to be used into an external process.

I've written my own extremely crude client using the stomp library.
Nir also has a patch [1] on gerrit to do this.  Maybe he can provide
some insight.  It'd be nice if the vdsm-yajsonrpc package could
provide a full-featured client class that could be easily integrated
into projects like MOM.

[1] https://gerrit.ovirt.org/#/c/35181/

-- 
Adam Litke