Hetzner

Hetzner Cloud

autobase will automatically set up the following in Hetzner Cloud:

1. Hetzner Servers - a virtual machine (with a dedicated data disk), with all cluster components installed and configured.
2. Hetzner Load Balancer to serve as the entry point for database connections.

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All components are installed within your cloud account.

Prerequisites

You will need the API token to deploy the cluster to your Hetzner Cloud provider account. See the official documentation for instructions on creating an access token.

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You can either add these credentials in advance on the Settings page under the Secrets tab, or you will be prompted to enter them during the cluster creation process.

Console (UI)

Select 'Hetzner' as the destination and choose the deployment region.

Select the type of server with the required amount of CPU and RAM.

Select the number of servers to be created for the PostgreSQL cluster.

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Please note that at least 3 servers are required to ensure high availability.

Specify the desired disk size for the database.

Specify your SSH public key to be able to access the database servers via SSH after deployment.

Choose which environment your database cluster belongs to.

Specify a name for your cluster.

Optionally, specify a description.

Select the PostgreSQL version to install.

Review the summary and click the "CREATE CLUSTER" button.

Wait until deployment is complete. This process takes about 10 to 15 minutes.

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You can see the deployment log in the "Operations" section. To do this, select the relevant event with the "deploy" type and click "Show details" under the Actions tab.

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After a successful deployment, you can obtain the connection info on the cluster page. To do this, click on the name of your cluster on the "Clusters" page.

Example of a cluster page:

Command line

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📩 Contact us at [email protected], and our team will provide you with deployment instructions tailored specifically to your infrastructure, including the most suitable parameters for optimal performance and reliability.

1. Set Hetzner Cloud API Token

Export your Hetzner Cloud API token to an environment variable:

export HCLOUD_API_TOKEN=<your_token>

2. Run the Deployment Command

Execute the following command to deploy a PostgreSQL cluster (example):

docker run --rm -it \
  --env HCLOUD_API_TOKEN=${HCLOUD_API_TOKEN} \
  autobase/automation:2.1.0 \
    ansible-playbook deploy_pgcluster.yml --extra-vars \
      "ansible_user=root \
       cloud_provider='hetzner' \
       cloud_load_balancer=true \
       server_count=3 \
       server_type='CCX33' \
       server_image='ubuntu-24.04' \
       server_location='ash' \
       volume_size=100 \
       postgresql_version=17 \
       patroni_cluster_name='postgres-cluster-01' \
       ssh_public_keys='ssh-rsa AAAAB3NzaC1yc2EAAAA******whzcMINzKKCc7AVGbk='"

Key Parameters:

• cloud_provider: Specifies Hetzner Cloud as the provider.
• cloud_load_balancer: Adds a Hetzner Load Balancer to the cluster.
• server_count: Number of servers in the cluster (at least 3 servers are needed for high availability).
• server_type: Type of servers (e.g., CCX33).
• server_image: Operating system image for the servers (e.g., ubuntu-24.04).
• server_location: Server location (e.g., ash for Ashburn).
• volume_size: Disk size (in GB) for the database.
• postgresql_version: PostgreSQL version.
• patroni_cluster_name: PostgreSQL cluster name.
• ssh_public_keys: Your SSH public key to access the database servers after deployment.

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See the vars/main.yml, system.yml and (Debian.yml or RedHat.yml) files for more details. As well as a list of available variables for cloud resources.

3. Wait until deployment is complete

This process takes about 10 to 15 minutes.

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After a successful deployment, the connection information can be found in the Ansible log.