UrBackup Exporter

Prometheus exporter for the UrBackup backup system. Tested with UrBackup server 2.4.13 and 2.5.31.

Inspired by h3po work.

Install

Form source code

Requirements:

• Python 3
• prometheus-client
• urbackup-server-web-api-wrapper

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 and DockerHub.

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:

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

docker cli

docker run -d \
  --name=urbackup-exporter \
  -e TZ=Europe/Madrid \
  -e URBACKUP_SERVER_URL=http://<server_host>: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:

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

Prometheus / Alertmanager rules

Example Prometheus rules for alerting:

  - 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.