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Axoflow

axosyslog-metrics-exporter

Export prometheus stats of Axosyslog over HTTP.

About

Axosyslog-metrics-exporter serves Prometheus metrics over a HTTP interface (http://0.0.0.0:9577/metrics by default). It needs UNIX file-level access to syslog-ng's control socket, which is usually at /var/lib/syslog-ng/syslog-ng.ctl or /var/run/syslog-ng/syslog-ng.ctl). In container environments you need to provide access to that UNIX domain socket via shared volumes or other means.

The HTTP and command line interface is compatible with syslog_ng_exporter, but we use the new native prometheus stats available since versions 4.1. We keep translating from the legacy stats interface in case of older syslog-ng versions.

Usage

Command line

axosyslog-metrics-exporter [options]

Options:
  -service.port string
    	service bind port (default "9577" or $SERVICE_PORT)
  -service.timeout string
    	request timeout (default "5s" or $SERVICE_TIMEOUT)
  -socket.path string
    	syslog-ng control socket path (default "/var/run/syslog-ng/syslog-ng.ctl" or $CONTROL_SOCKET)

Docker

docker run -d -p 9577:9577 -v $(echo /var/*/syslog-ng/syslog-ng.ctl):/syslog-ng.ctl \
  ghcr.io/axoflow/axosyslog-metrics-exporter:latest --socket.path=/syslog-ng.ctl

Logging-operator

You can replace the exporter sidecar's image in syslog-ng based logging-operator setups, by extending the Logging resource:

apiVersion: logging.banzaicloud.io/v1beta1
kind: Logging
metadata:
  name: my-logging
spec:
  controlNamespace: logging-operator
  loggingRef: my-logging
  syslogNG:
    globalOptions:
      stats:
        freq: 0
        level: 2
    statefulSet:
      spec:
        template:
          spec:
            containers:
            - image: ghcr.io/axoflow/axosyslog-metrics-exporter:latest
              name: exporter

Contact and support

In case you need help or want to contact us, open a GitHub issue, or come chat with us in the syslog-ng channel of the Axoflow Discord server.

Contribution

If you have fixed a bug or would like to contribute your improvements to these images, open a pull request. We truly appreciate your help.

About Axoflow

The Axoflow founder team consists of successful entrepreneurs with a vast knowledge and hands-on experience about observability, log management, and how to apply these technologies in the enterprise security context. We also happen to be the creators of wide-spread open source technologies in this area, like syslog-ng and the Logging operator for Kubernetes.

To learn more about our products and our open-source projects, visit the Axoflow blog, or subscribe to the Axoflow newsletter.