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https://github.com/ngosang/urbackup-exporter

Prometheus exporter for the UrBackup backup system
https://github.com/ngosang/urbackup-exporter

alerts backup grafana monitoring prometheus prometheus-exporter prometheus-metrics urbackup

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Prometheus exporter for the UrBackup backup system

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# UrBackup Exporter

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Prometheus exporter for the [UrBackup](https://www.urbackup.org/) backup system. Tested with UrBackup server 2.4.13 and 2.5.31.

Inspired by [h3po work](https://gist.github.com/h3po/36cab38d2b443c0523c4c9e83203f382).

## Install

### Form source code

Requirements:
* Python 3
* [prometheus-client](https://github.com/prometheus/client_python)
* [urbackup-server-web-api-wrapper](https://github.com/uroni/urbackup-server-python-web-api-wrapper)

```bash
pip install -r /requirements.txt

export URBACKUP_SERVER_URL=http://192.168.1.100:55414/x
python urbackup-exporter.py
```

### Docker

Docker images are available in [GHCR](https://github.com/ngosang/urbackup-exporter/pkgs/container/urbackup-exporter) and [DockerHub](https://hub.docker.com/r/ngosang/urbackup-exporter).

```bash
docker pull ghcr.io/ngosang/urbackup-exporter
or
docker pull ngosang/urbackup-exporter
```

#### Supported Architectures

The architectures supported by this image are:

| Architecture | Default tag (Debian) | Alpine tag |
| ---------------- | -------------------- | ---------- |
| linux/386 | Yes | Yes |
| linux/amd64 | Yes | Yes |
| linux/arm/v6 | No | Yes |
| linux/arm/v7 | Yes | Yes |
| linux/arm64/v8 | Yes | Yes |
| linux/ppc64le | Yes | Yes |
| linux/s390x | Yes | Yes |

#### docker-compose

Compatible with docker-compose v2 schemas:

```yaml
---
version: '2.1'
services:
urbackup-exporter:
image: ghcr.io/ngosang/urbackup-exporter
container_name: urbackup-exporter
environment:
- TZ=Europe/Madrid
- URBACKUP_SERVER_URL=http://:55414/x
- URBACKUP_SERVER_USERNAME=admin
- URBACKUP_SERVER_PASSWORD=1234
- EXPORT_CLIENT_BACKUPS=true
ports:
- 9554:9554
restart: unless-stopped
```

#### docker cli

```bash
docker run -d \
--name=urbackup-exporter \
-e TZ=Europe/Madrid \
-e URBACKUP_SERVER_URL=http://:55414/x \
-e URBACKUP_SERVER_USERNAME=admin \
-e URBACKUP_SERVER_PASSWORD=1234 \
-e EXPORT_CLIENT_BACKUPS=true \
-p 9554:9554 \
--restart unless-stopped \
ghcr.io/ngosang/urbackup-exporter
```

## Configuration

All configuration is done with environment variables.

- `URBACKUP_SERVER_URL`: UrBackup server URL including host, port and API endpoint. Example: `http://192.168.1.100:55414/x`
- `URBACKUP_SERVER_USERNAME`: (Optional) Username to login in the server. Only required if authorization is enabled. The default is `admin`.
- `URBACKUP_SERVER_PASSWORD`: (Optional) Password to login in the server. Only required if authorization is enabled. The default is `1234`.
- `EXPORT_CLIENT_BACKUPS`: (Optional) Export detailed metrics for each client. This option can generate a lot of metrics if there many configured clients. The default is `true`.
- `LISTEN_PORT`: (Optional) The address the exporter should listen on. The default is `9554`.
- `LISTEN_ADDRESS`: (Optional) The address the exporter should listen on. The default is
to listen on all addresses.
- `LOG_LEVEL`: (Optional) Log level of the traces. The default is `INFO`.

## Exported metrics

| Name | Type | Description |
| ----------------------------- | ------- | ---------------------------- |
| urbackup_client_online | gauge | Whether or not the client is answering the server |
| urbackup_client_status | gauge | Status number, purpose unknown |
| urbackup_client_lastseen | gauge | Timestamp the client was last seen online |
| urbackup_backup_ok | gauge | Whether or not the last backup was successful |
| urbackup_backup_issues | gauge | Number of issues during the last backup |
| urbackup_backup_lasttime | gauge | Timestamp of the last backup |
| urbackup_backup_number_total | counter | Number of backups |
| urbackup_backup_size_total | counter | Total size of backups in bytes |

## Prometheus config

Example Prometheus configuration:

```yaml
scrape_configs:
- job_name: 'urbackup-exporter'
static_configs:
- targets: ['192.168.1.100:9554']
```

## Prometheus / Alertmanager rules

Example Prometheus rules for alerting:

```yaml
- alert: UrBackupOutdated
# 1209600 = 15 days
expr: time() - urbackup_backup_lasttime{backup_type="file"} > 1209600
for: 0m
labels:
severity: critical
annotations:
summary: UrBackup {{ $labels.client_name }} backup is outdated
description: UrBackup backup is outdated\n VALUE = {{ $value }}\n LABELS = {{ $labels }}

- alert: UrBackupFailure
expr: urbackup_backup_ok{backup_type="file"} == 0
for: 0m
labels:
severity: critical
annotations:
summary: UrBackup {{ $labels.client_name }} backup failed
description: UrBackup backup failed\n VALUE = {{ $value }}\n LABELS = {{ $labels }}
```

## Grafana dashboard

There is a reference Grafana dashboard in [grafana/grafana_dashboard.json](./grafana/grafana_dashboard.json).

![](./grafana/grafana_dashboard.png)