ability to configure redis sentinel is nebulous and documentation is missing

[josh-m-sharpe]

Tell us about your environment

docker

AnyCable-Go version:
anycable/anycable-go:1.5.3

What did you do?

tried finding explicit documentation for connecting to redis sentinels but they are not present here: https://docs.anycable.io/anycable-go/configuration?id=redis-configuration
found related changelog entry:
https://github.com/anycable/anycable-go/blob/master/CHANGELOG.md#101-2020-07-07

But then I see there's no EnvVars thing (sorry, my go sucks) in https://github.com/anycable/anycable-go/blob/master/cli/options.go#L543-L546 for the sentinel config, so makes me second guess that changelog entry or the viability of using ANYCABLE_REDIS_SENTINELS

Would be amazeballs if I could use env vars to connect to redis sentinel and the docs could reflect that information. Thank you!

[palkan]

Thanks for reporting!

Yeah, we have the configuration properly covered at the Ruby side: https://docs.anycable.io/ruby/broadcast_adapters?id=redis-sentinel-support

It's the same for the Go server, meaning the env var works (there's no EnvVars thing because we do that implicitly—convention over configuration appleid to Go:

anycable-go/cli/options.go

Line 1219 in 3e19ee9

func withDefaults(category string, flags []cli.Flag) []cli.Flag {