Hetzner Cloud Integration
Edka leverages Hetzner Cloud’s infrastructure to provide cost-effective, high-performance Kubernetes clusters. This integration enables you to deploy production ready clusters with enterprise features at a fraction of the cost of major cloud providers.
Why Hetzner Cloud?
Cost Efficiency
- 70% lower costs compared to AWS, Azure, or GCP
- Transparent, predictable pricing with no hidden fees
- No egress charges for traffic
- Competitive storage pricing
Performance
- 100% NVMe SSD storage on all servers
- AMD EPYC or Intel Xeon processors
- 10 Gbit/s network connectivity
- Low latency with data centers in Europe, USA and Asia
Reliability
- 99.9% uptime SLA for servers
- ISO 27001 certified data centers
- DDoS protection included
- Redundant network infrastructure
Setting Up Hetzner Integration
Prerequisites
-
Create a Hetzner Cloud Account
- Visit Hetzner Cloud
- Sign up and verify your account
- Add payment method (credit card or PayPal)
-
Create a Project
- Log in to Hetzner Cloud Console
- Click New Project
- Name your project (e.g., “edka-production”)
Generate API Token
- Navigate to your project in Hetzner Console
- Go to Security > API Tokens
- Click Generate API Token
- Configure token:
- Description: “Edka”
- Permissions: Read & Write
- Copy the token and store it securely (shown only once)
Connect to Edka
Method 1: Stored Token (Recommended)
- In Edka dashboard, go to Settings > Integrations > Hetzner
- Enter your API token
- Click Save
Edka will:
- Encrypt and securely store your token
- Use it for all cluster operations
- Validate the token and available resources
Method 2: Temporary Token
- During cluster creation, select Use temporary token
- Provide token for each operation
- Token is not stored, only used for current operation
Note: Temporary tokens require re-entering for every cluster operation.
Hetzner Resources
Server Types
Shared vCPU (Cost-Effective)
| Type | Arch | vCPUs | RAM | Storage | Traffic (EU) | Notes |
|---|---|---|---|---|---|---|
| CPX11 | x86 | 2 | 2GB | 40GB | 20TB | Entry dev/test |
| CPX21 | x86 | 3 | 4GB | 80GB | 20TB | Small apps |
| CPX31 | x86 | 4 | 8GB | 160GB | 20TB | General purpose |
| CPX41 | x86 | 8 | 16GB | 240GB | 20TB | Production |
| CPX51 | x86 | 16 | 32GB | 360GB | 20TB | High-traffic |
| CAX11 | arm | 2 | 4GB | 40GB | 20TB | ARM cost-optimized |
| CAX21 | arm | 4 | 8GB | 80GB | 20TB | ARM general |
| CAX31 | arm | 8 | 16GB | 160GB | 20TB | ARM performance |
| CAX41 | arm | 16 | 32GB | 320GB | 20TB | ARM heavy workloads |
| CX22 | x86 | 2 | 4GB | 40GB | 20TB | Legacy shared |
| CX32 | x86 | 4 | 8GB | 80GB | 20TB | Legacy shared |
| CX42 | x86 | 8 | 16GB | 160GB | 20TB | Legacy shared |
| CX52 | x86 | 16 | 32GB | 320GB | 20TB | Legacy shared |
Dedicated vCPU (Performance)
| Type | vCPUs | RAM | Storage | Traffic (EU) | Notes |
|---|---|---|---|---|---|
| CCX13 | 2 | 8GB | 80GB | 20TB | Databases/systems |
| CCX23 | 4 | 16GB | 160GB | 20TB | Apps/databases |
| CCX33 | 8 | 32GB | 240GB | 30TB | Compute intensive |
| CCX43 | 16 | 64GB | 360GB | 40TB | High performance |
| CCX53 | 32 | 128GB | 600GB | 50TB | Large workloads |
| CCX63 | 48 | 192GB | 960GB | 60TB | Enterprise scale |
Note: Included traffic varies by location. EU locations (nbg1, fsn1, hel1) have higher included traffic than US (ash, hil) and Singapore (sin).
Regions and Locations
Europe
- Nuremberg (nbg1): Germany, lowest latency for Central Europe
- Falkenstein (fsn1): Germany, excellent connectivity
- Helsinki (hel1): Finland, ideal for Northern Europe
United States
- Ashburn (ash): Virginia, East Coast coverage
- Hillsboro (hil): Oregon, West Coast coverage
Asia
- Singapore (sin): Singapore, ideal for Asia-Pacific region
Load Balancers
Edka automatically provisions Hetzner Load Balancers for:
- Ingress controllers
- High-availability control planes (coming soon)
- Service type LoadBalancer
Load Balancer types:
- LB11 up to 10,000 connections
- LB21 up to 20,000 connections
- LB31 up to 40,000 connections
By default, Edka provisions a LB11 load balancer for ingress controllers in proxy mode.
Volumes (Block Storage)
Specifications:
- Size: 10GB to 10TB
- Performance: Up to 7,500 IOPS
- Throughput: Up to 300 MB/s
- Resize: Online expansion supported
Use Cases:
- Persistent volumes for databases
- Application state storage
- Dedicated storage for your deployments
Networks
Private Networks:
- CIDR: Custom IP ranges (10.0.0.0/8, 172.16.0.0/12, 192.168.0.0/16)
- Subnets: Multiple subnets per network
- vSwitch: Connect to bare metal servers