Metrics
Flipt exposes Prometheus metrics at the/metrics
HTTP endpoint. To see which metrics are currently supported, point your browser
to FLIPT_HOST/metrics
(ex: localhost:8080/metrics
).
You should see a bunch of metrics being recorded such as:
Dashboards

Logging
Flipt writes logs to STDOUT in two formats:- JSON
- Console
log.encoding
configuration option.
JSON
Console
Tracing
Flipt supports distributed tracing via the OpenTelemetry project. Currently, we support the following tracing backends: Enable tracing via the values described in the Tracing configuration and point Flipt to your configured collector to record spans. Examples showing how to set up Flipt with each of the supported tracing backends can be found in the main GitHub repository .OTLP

tracing.otlp
configuration section.
Environment Variables
As of v1.38.0, we now allow users to provide OTLP specific resource environment variables that are part of the OTLP spec. The following environment variables are supported:OTEL_SERVICE_NAME
- Sets the value of theservice.name
resource attribute (default:flipt
)OTEL_RESOURCE_ATTRIBUTES
- Key-value pairs to be used as resource attributes.