Hetzner Cloud inventory exporter

Prometheus exporter of Hetzner Cloud inventory

Build

• Using docker

Requires docker

make build

• Locally

Requires go build environment

go build

Run

First, create config.yaml file with following content:

---
targets:
  - name: my-project-1
    apiKey: 12345678654321234567876543223456787654
  - name: my-project-2
    apiKey: 09876543212456709867234567890987656789
  - name: my-project-3
    apiKey: abcdefg5384572872131237182738174849575

• Run using docker

docker run -p 9112:9112 -v $(pwd)/config.yaml:/config.yaml -ti hetzner-inventory-exporter:1.0.0

• Run locally

./hetzner-inventory-exporter

Exported metrics

Metric name	Type	Description
hetzner_exporter_last_scrape_error	Gauge	Number of errors in last scrape round
hetzner_exporter_scrapes	Summary	Summary of scrapes
hetzner_inventory_image_count	Gauge	Number of images (snapshots,backups) in project
hetzner_inventory_image_size	Gauge	Cumulative size of all images in project
hetzner_inventory_load_balancers	Gauge	Number of load balancers in project
hetzner_inventory_network_count	Gauge	Number of networks in project
hetzner_inventory_server_count	Gauge	Number of servers in project
hetzner_inventory_volume_count	Gauge	Number of volumes in project
hetzner_inventory_volume_size	Gauge	Cumulative size of all volumes in project

Example exporter output

curl --silent localhost:9112/metrics | grep ^hetzner

hetzner_exporter_last_scrape_error 0
hetzner_exporter_scrapes_total 2
hetzner_inventory_exporter_build_info{branch="",goversion="go1.16.8",revision="",version=""} 1
hetzner_inventory_image_count{project="my-project-1"} 2
hetzner_inventory_image_count{project="my-project-2"} 1
hetzner_inventory_image_count{project="my-project-3"} 1
hetzner_inventory_image_size{project="my-project-1"} 2.327502489089966
hetzner_inventory_image_size{project="my-project-2"} 0.7621023654937744
hetzner_inventory_image_size{project="my-project-3"} 0.7770731449127197
hetzner_inventory_load_balancers{project="my-project-1"} 0
hetzner_inventory_load_balancers{project="my-project-2"} 2
hetzner_inventory_load_balancers{project="my-project-3"} 3
hetzner_inventory_network_count{project="my-project-1"} 1
hetzner_inventory_network_count{project="my-project-2"} 1
hetzner_inventory_network_count{project="my-project-3"} 1
hetzner_inventory_server_count{project="my-project-1"} 0
hetzner_inventory_server_count{project="my-project-2"} 9
hetzner_inventory_server_count{project="my-project-3"} 7
hetzner_inventory_volume_count{project="my-project-1"} 0
hetzner_inventory_volume_count{project="my-project-2"} 2
hetzner_inventory_volume_count{project="my-project-3"} 2
hetzner_inventory_volume_size{project="my-project-1"} 0
hetzner_inventory_volume_size{project="my-project-2"} 120
hetzner_inventory_volume_size{project="my-project-3"} 120

Install using helm

Prepare file config.yaml where you put your project name and Hetzner API key:

targets:
  - name: project-1
    apiKey: abcdefghijklmnopqrstuvwxyz0987654321

helm upgrade --install my-release ./chart --values config.yaml

For detailed list of all supported chart values, check generated documentation