Re: How to secure Prometheus endpoints (mgr plugin and node_exporter)

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Hi Martin,
hope this is still useful, despite the lag.

On Fri, Jun 29, 2018 at 01:04:09PM +0200, Martin Palma wrote:
Since Prometheus uses a pull model over HTTP for collecting metrics.
What are the best practices to secure these HTTP endpoints?

- With a reverse proxy with authentication?
This is currently the recommended way to secure prometheus traffic with TLS or authentication. See also https://prometheus.io/docs/introduction/faq/#why-don-t-the-prometheus-server-components-support-tls-or-authentication-can-i-add-those for more info. However native support for TLS and authentication has just been put on the roadmap in August.
- Export the node_exporter only on the cluster network? (not usable
for the mgr plugin and for nodes like mons, mdss,...)
- No security at all?

Best,
Martin
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--
Jan Fajerski
Engineer Enterprise Storage
SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton,
HRB 21284 (AG Nürnberg)
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