Is there any objection to adding a tls listener and an instance to the stats client to vpp_papi?
> On Jan 9, 2020, at 6:45 AM, Vratko Polak -X (vrpolak - PANTHEON TECHNOLOGIES > at Cisco) via Lists.Fd.Io <vrpolak=cisco....@lists.fd.io> wrote: > > > CSIT uses VPP API via socket (tunneled over SSH) for most interactions. > > We also read stats for just one (I think) purpose, > reading runtime stats (/sys/node). > The way we do that is historical and convoluted, > for the result see INFO line at [1]. > > Looking at the result, the appropriate API way > would be to use send some _dump message > and process the _details responses, one per node name. > > Vratko. > > [1] > https://logs.fd.io/production/vex-yul-rot-jenkins-1/csit-vpp-perf-verify-master-2n-clx/58/archives/log.html.gz#s1-s1-s1-s1-s1-t1-k2-k9-k1-k1-k4-k1 > > From: vpp-dev@lists.fd.io <vpp-dev@lists.fd.io> On Behalf Of Christian Hopps > Sent: Thursday, January 9, 2020 12:05 PM > To: Ole Troan <otr...@employees.org> > Cc: Christian Hopps <cho...@chopps.org>; vpp-dev <vpp-dev@lists.fd.io> > Subject: Re: [vpp-dev] python api over tcp? > > > > > On Jan 9, 2020, at 5:44 AM, Ole Troan <otr...@employees.org> wrote: > > > > Christian, > > > >>> For exporting data out of the stats segment, I believe there is already > >>> quite a few solutions. > >>> There's the (naive) prometheus example in the repo, vpp_get_stats, there > >>> is a Telegraf plugin, a simple gNMI/gRPC plugin. > >> > >> Right I've used vpp_get_stats and may run that with ssh and awk. I guess > >> it just seems odd on first encountering this that the CLI provided the > >> data, but the binary API didn't. I suppose the view is that exposing the > >> stats segment in shared memory *is* the binary API. :) > > > > What certainly would make sense to do, is to put a wrapper on top of > > vpp_stats.py that gives you a higher level API of accessing the stats. > > E.g. a get_interface_counters(). The stat segment also contains the name to > > interface index mapping (/if/names). > > Want to have a go? > > I'm actually going to use vpp_get_stats (run remotely using ssh) for now. I'm > using vpp_papi on a single testing server (so it connects to each of the VPP > /run/vpp/api.sock over ssh forwarded sockets), so it doesn't have access to > their shared memory segments. > > > > > I am also exploring putting much more information into the stat segment, > > essentially making it into an operational data store (RFC8342). Don't hold > > your breath. But any help appreciated. > > I will be looking at doing some YANG models later this year, so if the timing > aligns.. :) > > Thanks, > Chris. > > > > Cheers, > > Ole > >
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