# Prometheus Jellyfin Exporter

This is an exporter that exposes information gathered from Jellyfin for use by the Prometheus monitoring system.

## Installation

Requires Python 3.9 or better.

## Using docker

```
docker pull git.hipstercat.fr/hipstercat/jellyfin-exporter:main
```

Example: Display usage message:

```
docker run -it --rm git.hipstercat.fr/hipstercat/jellyfin-exporter:main --help
```

Example: Run the image with a mounted configuration file and published port:
```
docker run --init --name prometheus-jellyfin-exporter -d -p 127.0.0.1:9222:9222 -v /path/to/jellyfin.yml:/etc/jellyfin.yml git.hipstercat.fr/hipstercat/jellyfin-exporter:main
```
Prometheus Jellyfin Exporter will now be reachable at http://localhost:9222/.

## Usage

Visit http://localhost:9222/jellyfin?target=1.2.3.4 where 1.2.3.4
is the IP of the Jellyfin server to get metrics from. Specify the `module`
request parameter, to choose which module to use from the config file.

The `target` request parameter defaults to `localhost`. Hence if
`jellyfin_exporter` is deployed directly on the jellyfin host, `target`
can be omitted.

## Authentication

**Using jellyfin.yml config file**

Example `jellyfin.yml` for token authentication:

```yaml
default:
  api_key: "your token"
  verify_ssl: true
```

## Prometheus Configuration

The Jellyfin exporter can be deployed either directly on a Jellyfin server or
onto a separate machine.

Example config for Jellyfin exporter running on Jellyfin server:

```yaml
scrape_configs:
- job_name: 'jellyfin'
 static_configs:
   - targets:
     - 192.168.1.2:9222  # Jellyfin server with Jellyfin exporter.
 metrics_path: /jellyfin
 params:
   module: [default]
```

Example config for Jellyfin exporter running on Prometheus host:

```yaml
scrape_configs:
  - job_name: 'jellyfin'
    static_configs:
      - targets:
        - 192.168.1.2  # Jellyfin server.
    metrics_path: /jellyfin
    params:
      module: [default]
    relabel_configs:
      - source_labels: [__address__]
        target_label: __param_target
      - source_labels: [__param_target]
        target_label: instance
      - target_label: __address__
        replacement: 127.0.0.1:9222  # Jellyfin exporter.
```