This is interesting
Forwarded message:
From: Yaacov Zamir <yzamir@redhat.com>
To: Container Management Operations <cm-ops@redhat.com>, Jeffrey Phillips <jephilli@redhat.com>
Subject: [cm-ops] Mock hawkular server
Date: Mon, 21 Nov 2016 20:15:22 +0200
A mock Hawkular server, it send random numbers to Hawkular clients.
https://github.com/yaacov/mohawk

Here is a link to a clip showing the use of the mock server to test the ad-hoc graphs page:
https://www.youtube.com/watch?v=R0ASlTeq7dg&t=1s