CrushFTP Prometheus Exporter

by Dustin Breuer

CrushFTP Prometheus Exporter is an exporter for various metrics about CrushFTP, written in Go.

The exporter uses an admin account to scrabe the metrics from the admin web interface (or in other words, it uses the official "API").

Tested with CrushFTP 9.3.x & 9.4.x.

Prerequisites

Before installing this project you need:

• 🐀 Go (at least 1.16)

Installation

To build this project on your local machine, just run go build.

It's recommended to set the version and other build informations, e.g. like this:

go build \
    -ldflags "\
        -X 'github.com/prometheus/common/version.Branch=$(git branch --show-current)' \
        -X 'github.com/prometheus/common/version.BuildDate=$(date)' \
        -X 'github.com/prometheus/common/version.BuildUser=$(whoami)' \
        -X 'github.com/prometheus/common/version.Revision=$(git rev-parse --short HEAD)' \
        -X 'github.com/prometheus/common/version.Version=0.0.1' \
    " \
    -o crushftp-prometheus-exporter .

To verify that your build works you can run ./crushftp-prometheus-exporter --version to print the version info.

Configuration

Use ./crushftp-prometheus-exporter --help to print the supported parameters and environment variables.

By default the exporter listens on port 9100 and provides the metrics under the path /metrics.

Option	Default	Environment variable	Description
-h, --help			Show context-sensitive help
-l, --listen-address	":9100"	LISTEN_ADDRESS	Address to listen on
--metrics-endpoint	"/metrics"	METRICS_ENDPOINT	Path under which to expose metrics
-H, --crushftp-url	"http://localhost"	CRUSHFTP_URL	Base URL to the CrushFTP http(s) server
-u, --crushftp-username		CRUSHFTP_USERNAME	CrushFTP admin username ⚠️ It's recommended to use a restricted admin user for monitoring. You can configure the admin restrictions for an user in the user managment section "Admin" > "Setup Roles". See UserManagerAdminRestricted for more information
-p, --crushftp-password		CRUSHFTP_PASSWORD	CrushFTP admin password It's recommended to pass this as environment variable
-l, --crushftp-insecure	false	CRUSHFTP_INSECURE	Ignore server certificate if using https
--debug	false		Enables debug mode and increases logging
-V, --version			Display the application version and exit

Contributing to this project

If you have suggestions for improving the prometheus exporter, please open an issue or pull request on GitHub.