Juan Navarro 162871a7dd deployment: change IP discovery script to match mediasoup-controller
Change the script (error checking, code style, etc) to match the one
used in openvidu-mediasoup-controller, so both are easier to maintain.

* Relevant change: use wget (leaner, faster) instead of curl.
* All others are minor changes.
2021-12-24 16:05:41 +01:00
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