From: lavado <glavado@whitestack.com>
Date: Sat, 9 Nov 2019 20:42:11 +0000 (+0100)
Subject: Metric segmentation & access by project
X-Git-Url: https://osm.etsi.org/gitweb/?a=commitdiff_plain;h=4d492597a5b53f5ff2c5d70e34c17d2974db6ef9;p=osm%2FFeatures.git

Metric segmentation & access by project

Change-Id: I0400a477369c4b7781356af725186dc8ab073d01
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+# OSM Metric segmentation & access by project
+
+## Proposers
+
+- Gianpietro Lavado (Whitestack)
+- Gerardo Garcia (Telefonica)
+- Francisco Javier Ramon (Telefonica)
+
+## Type
+
+Feature
+
+## Target MDG/TF
+
+SA
+
+## Description
+
+Metrics in Prometheus are stored in key-value pairs, grouped per name and differentiated by labels.
+Current design keeps metrics grouped by name (i.e. cpu_usage) and allows to differentiate based on
+label filtering (i.e. ns_id), so for example, a Grafana dashboard can be created for a single NS ID,
+filtering by the metric's label "NS_ID".
+
+Still, current design has some limitations:
+- VIM metrics have different names by default and refer to the same resource for any NS/VNF, but
+VNF Metrics (Indicators) using the same name, could have different semantics depending on the VNF,
+or worse, different types (gauge and counter for example), and may not be supported.
+- There is no role-based authentication or tenant awareness. Prometheus has some limitations, but
+Grafana may solve some of ths issues at a higher level by automating the creation of dashboards.
+
+This feature presents an opportunity to revisit metric segmentation, authentication, and dashboard
+automation.
+
+## Demo or definition of done
+
+OSM users should be able to see the metrics beloging to their own NS, automatically, in Grafana.
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