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Aetos service overview
======================
The aetos service provides a multi-tenancy layer and openstack authentication
for Prometheus.
The aetos service consists of the following components:
``aetos``
A reverse-proxy, which runs on a central management server, preferably on
the same one which runs Prometheus. It provides a subset of Prometheus
API. For each request an authentication token is checked before forwarding
it to Prometheus. Two privilege levels are recognized. When accessing
with lower privilege, which typically means access by a non-admin user,
the request is restricted to metrics from the current project only.
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