Eduroam development VC, 20170711

Attendees
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Stefan Winter, RESTENA
Reimer Karlsen-Masur, DFN-CERT Services GmbH
Miroslav Milinovic, Srce / CARNet
Jørn Åne, UNINETT
Maja Gorecka-Wolniewicz, PIONIER
Brian Epstein, Institute for Advanced Study
Marko Eremija, AMRES
Pedro Simões, FCCN
Žilvinas Vaira, LITNET
Mike Zawacki, Internet2
Zenon Mousmoulas, GRNET
Tomasz Wolniewicz, PSNC

Apologies
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Agenda / Minutes
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1. Welcome, agenda bashing

2. Managed IdP: SMS sending implemented
   no insight into current balance at Nexmo - cat-pilot could be "broke" at some point. Stefan to top up balance and think about an alerting mechanism
   1:n mapping of invitation vs. cert implemented in backend - needs UI (especially: space for number of uses; deletion of partly used invitation)
   lets make revocation of certificates and revocation of invitations independent. If a admin wants to "kill" a user he should remember to revoke both the certificates AND outstanding open invitation links
   "Deactivate user" should however revoke both certificates AND the pending invitations

3. Self-service diagnosis


   - probe data format
     JSON is fine for techs, but human-readable documentation should accompany it
     need to differentiate between: dedicate hardware devices  - probes - vs. end-user devices doing proby stuff: we are right now only working on the former; latter is a "GN6 dream" :-)
     Zenon mentions statsd; probably enough if it is just about metrics (boolean, integer, ...)
     https://github.com/etsy/statsd ? https://www.digitalocean.com/community/tutorials/how-to-configure-statsd-to-collect-arbitrary-stats-for-graphite-on-ubuntu-14-04 ?

Defining "metrics":

http://metrics20.org/spec/

However metric types vary per implementation:

https://github.com/etsy/statsd/blob/master/docs/metric_types.md

https://prometheus.io/docs/concepts/metric_types/

https://help.datadoghq.com/hc/en-us/articles/206955236-Metric-types-in-Datadog

These have native boolean types:

https://www.elastic.co/guide/en/elasticsearch/reference/current/boolean.html

https://cloud.google.com/monitoring/api/v3/metrics

Zenon's point was: If you only need to collect some metrics (counters, gauges... *not* arbitrary strings) use some widely implemented/available metric format/protocol; if you need to process *structured data*, then perhaps you need another schema.


4. AOB / Next VC
   * 25 July 2017, 1530 CEST

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