InitLogger initialises the global gokit logger and overrides the default logger for the server.

TODO: remove once weaveworks/common updates to go-kit/log -> we can then revert to using Level.Gokit.

WarnExperimentalUse logs a warning and increments the experimental features metric.

WithContext returns a Logger that has information about the current user in its details.

WithSourceIPs returns a Logger that has information about the source IPs in its details.

WithTraceID returns a Logger that has information about the traceID in its details.

WithUserID returns a Logger that has information about the current user in its details.

Logger is a shared go-kit logger.