Draft ICE

[xinze-zheng]

Description

This is a draft for TURN STUN sidecar for ION. I'm hoping to have some feedbacks before proceeding.

• Implements STUN-only (not TCP support) and STUN-TURN service
• ice/config.go implements logic to parse an endoint to one of (stun|turn|stun-turn). This allows sidecar to run corresponding services.
• Lots of unit tests and integration tests with clients.

TODO

• TURN-only service using allocaiton callback.
• Metrics
• Quota
• Dockerfile
• More integration test

Reference issue

Fixes #20 #21

[codecov]

Codecov Report

❌ Patch coverage is 71.84987% with 105 lines in your changes missing coverage. Please review.
⚠️ Please upload report for BASE (main@12fdb27). Learn more about missing BASE report.

Files with missing lines	Patch %	Lines
cmd/ice/main.go	64.62%	63 Missing and 12 partials ⚠️
internal/config/config.go	46.87%	17 Missing ⚠️
internal/ice/config.go	89.92%	7 Missing and 6 partials ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #23   +/-   ##
=======================================
  Coverage        ?   77.05%           
=======================================
  Files           ?       10           
  Lines           ?      767           
  Branches        ?        0           
=======================================
  Hits            ?      591           
  Misses          ?      155           
  Partials        ?       21           

Flag	Coverage Δ
go	77.05% <71.84%> (?)

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