Prometheus Exporter for JetBrains Floating License Server

This is a small utility that exports real-time usage statistics from a JetBrains license server as prometheus metrics.

Published Metrics

# HELP jls_licenses_allocated Number of JLS Licenses currently allocated
# TYPE jls_licenses_allocated gauge
jls_licenses_allocated{license_name="Rider"} 3
jls_licenses_allocated{license_name="CLion"} 5
# HELP jls_licenses_available Number of JLS Licenses currently available
# TYPE jls_licenses_available gauge
jls_licenses_available{license_name="Rider"} 7
jls_licenses_available{license_name="CLion"} 5

How to run

Using Docker (or Podman)

# build the container
docker build --tag jls-exporter .

# run
docker run -d \
        --name jls-exporter \
        -p 9836:9836
        -e JLS_BASE_URL="https://example.com:8080" \
        -e JLS_STATS_TOKEN="<supersecrettoken>" \
        --stop-timeout 1 \
        jls-exporter

Without a container

Install Rust, set the environment variables and use cargo run --release

Environment Variables

Variable	Default Value	Explanation
JLS_BASE_URL	None, always required	Base URL of your license server
JLS_STATS_TOKEN	None, always required	API token of your license server
JLS_EXPORTER_BINDADDR	0.0.0.0:9836	Default address this exporter should bind to