script for creating and deleting kubernetes cluster with K3d

create-k3d-cluster.sh

#!/bin/bash

create_k3d_cluster() {
  local cluster_name=$1
  echo "Creating k3d cluster $cluster_name..."
  k3d cluster create "$cluster_name" \
    --agents 3 \
    --k3s-node-label topology.kubernetes.io/zone=zone-a@agent:0 \
    --k3s-node-label topology.kubernetes.io/zone=zone-b@agent:1 \
    --k3s-node-label topology.kubernetes.io/zone=zone-c@agent:2
}

delete_k3d_cluster() {
  local cluster_name=$1
  echo "Deleting k3d cluster $cluster_name..."
  k3d cluster delete "$cluster_name"
}

if [ "$#" -lt 2 ]; then
  echo "Usage: $0 {create|delete} <cluster_name>"
  exit 1
fi

action=$1
cluster_name=$2

case "$action" in
  create)
    create_k3d_cluster "$cluster_name"
    ;;
  delete)
    delete_k3d_cluster "$cluster_name"
    ;;
  *)
    echo "Usage: $0 {create|delete} <cluster_name>"
    exit 1
    ;;
esac

exit 0