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Airflow prometheus exporter

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Export airflow metrics in Prometheus format.

Build

Requires Go. Tested with Go 1.9+.

go get
go build -o airflow-prometheus-exporter .

Run

The exporter can be configured using environment variables. These are the defaults:

AIRFLOW_PROMETHEUS_LISTEN_ADDR=:9112
AIRFLOW_PROMETHEUS_DATABASE_BACKEND=mysql
AIRFLOW_PROMETHEUS_DATABASE_HOST=localhost
AIRFLOW_PROMETHEUS_DATABASE_PORT=3306
AIRFLOW_PROMETHEUS_DATABASE_USER=airflow
AIRFLOW_PROMETHEUS_DATABASE_PASSWORD=airflow
AIRFLOW_PROMETHEUS_DATABASE_NAME=airflow

When using postgres, SSL can be enabled and configured using:

AIRFLOW_PROMETHEUS_POSTGRES_SSL_MODE=verify-full
AIRFLOW_PROMETHEUS_POSTGRES_SSL_CERT=/path/to/certificate
AIRFLOW_PROMETHEUS_POSTGRES_SSL_KEY=/path/to/key
AIRFLOW_PROMETHEUS_POSTGRES_SSL_ROOT_CERT=/path/to/root_cert

Run the exporter:

./airflow-prometheus-exporter

The metrics can be scraped from:

http://localhost:9112/metrics

Run using docker

Run using docker:

docker run -p 9112:9112 pbweb/airflow-prometheus-exporter

Or using docker-compose:

services:
    image: pbweb/airflow-prometheus-exporter
    restart: always
    environment:
        - "AIRFLOW_PROMETHEUS_DATABASE_HOST=mysql.airflow.lan"
    ports:
        - "9112:9112"

License

See LICENSE.md