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Workhorse needs a config-file

In https://gitlab.com/gitlab-org/gitlab-workhorse/merge_requests/112 we're introducing Redis, this requires a config-file that needs to be generated.

Workhorse also requires a new argument to be passed: -config path/to/workhorse-config.toml

The config-file has different options for sentinel / non-sentinel

Format generic redis:

[redis]
URL = "tcp://127.0.0.1:1337" ( OR "unix://path/to/redis.sock")
Password = "some_good_password"

Format sentinel:

[redis]
Sentinel = [ "tcp://10.0.0.1:1337", "tcp://10.0.0.2:1337" ]
SentinelMaster = "name_of_sentinel_master"
Password = "some_good_password"

All variables but ReadTimeout are configurable (same as gitlab-rails)

Aaaand redis needs this config set: notify-keyspace-events K$s (see https://redis.io/topics/notifications#configuration )

  • No keyspace events in Redis, no Redis configuration changes, no potential Redis overhead etc
  • On-prem and GitLab.com to work in the same way (which is the standard Redis configuration)
  • For now (as before), this feature will be behind a feature flag for quick toggling