K3D Cluster Setup Script
This script automates the creation of a K3D cluster with customizable options, such as Docker network CIDR, service network CIDR, private registry setup, and load balancer port configuration. It generates a k3d-cluster-config.yaml file and creates a cluster based on the configuration.
🚀 Features
- Automatically installs the latest K3D version.
- Generates a custom K3D cluster configuration file (
k3d-cluster-config.yaml). - Supports local Docker registry creation.
- Configurable network and service CIDRs.
- Customizable K3D load balancer port.
- Automatically switches
kubectlto the new cluster context.
📝 Usage
Run the script with the following options to configure and create the K3D cluster:
Script Options
| Option | Description | Default |
|---|---|---|
-h, --help | Show the help message and exit. | |
--docker-network-cidr | Specify the Docker network CIDR (e.g., 192.168.1.0/24). | None |
--service-network-cidr | Specify the service network CIDR (e.g., 10.43.0.0/16). | None |
--k3d-loadbalancer-port | Set the K3D load balancer port. | 8081 |
--override | Override the existing K3D configuration file (k3d-cluster-config.yaml), if not and already exists, will use the existing configuration. |