Request to add support for WebSocket

[thevops]

There is an old issue about WebSocket probe: #536

It'd be nice to reconsider adding WebSocket support to Blackbox. The popularity of this protocol is growing.
What do you think?

[SuperQ]

Seems like a good idea. Can you write out a proposal for what this would look like? What additional parameters / features would be needed.

[thevops]

Proposal

The popularity of the WebSocket protocol is growing. Having support for this protocol would be very useful.

Features

The WebSocket probe could have the same attributes as the HTTP probe, like support for Basic Auth or TLS checking. Although a Minimum Viable Product can support only essential functions: sending requests with query data, receiving answers, and comparing received data to expected data.

Feedback

I’m ready to test the WebSocket probe implementation, provide feedback and contribute as much as I can.

[muety]

Any changes to have blackbox exporter support websocket any time soon?

[adnull]

@muety as the PR is still not accepted you can try using websocket support version directly from my repo.
https://github.com/adnull/blackbox_exporter/tree/websocket-support