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prometheus-rancher-exporter

Exposes Rancher environment status to Prometheus. Makes use of Rancher labels to create a connection to the API. Expects to get the following environment variables from the host, if not using rancher-compose then you can update these yourself:

  • CATTLE_ACCESS_KEY
  • CATTLE_SECRET_KEY
  • CATTLE_CONFIG_URL

Install and deploy

Run from Docker Hub:

docker run -d --restart=always -p 9010:9010 jolyonbrown/prometheus-rancher-exporter

Build a docker image:

docker build -t <image-name> .
docker run -d --restart=always -p 9010:9010 <image-name>

Running the node process:

DEBUG=re node app.js

Docker compose

prometheus-rancher-exporter:
    tty: true
    labels:
      io.rancher.container.create_agent: true
      io.rancher.container.agent.role: environment
    expose:
      - 9010:9010
    image: jolyonbrown/prometheus-rancher-exporter

Metrics

Metrics will be made available on port 9010 by default, or you can pass environment variable LISTEN_PORT to override this.

# HELP rancher_environment Value of 1 if all containers in a stack are active
# TYPE rancher_environment gauge
rancher_environment{name="test1"} 1
rancher_environment{name="test2"} 0
rancher_environment{name="load_test"} 1
rancher_environment{name="preprod"} 1