kind-with-registry.sh

#!/bin/sh
set -o errexit

# desired cluster name; default is "kind"
KIND_CLUSTER_NAME="${KIND_CLUSTER_NAME:-kind}"

# create registry container unless it already exists
reg_name='kind-registry'
reg_port='5000'
running="$(docker inspect -f '{{.State.Running}}' "${reg_name}" 2>/dev/null || true)"
if [ "${running}" != 'true' ]; then
  docker run \
    -d --restart=always -p "${reg_port}:5000" --name "${reg_name}" \
    registry:2
fi
reg_ip="$(docker inspect -f '{{.NetworkSettings.IPAddress}}' "${reg_name}")"

# create a cluster with the local registry enabled in containerd
cat <<EOF | kind create cluster --name "${KIND_CLUSTER_NAME}" --config=-
kind: Cluster
apiVersion: kind.x-k8s.io/v1alpha4
containerdConfigPatches: 
- |-
  [plugins."io.containerd.grpc.v1.cri".registry.mirrors."localhost:${reg_port}"]
    endpoint = ["http://${reg_ip}:${reg_port}"]
kubeadmConfigPatches:
- |
  kind: ClusterConfiguration
  metadata:
    name: config
  apiServer:
    extraArgs:
      "runtime-config": "apps/v1beta1=true,apps/v1beta2=true,extensions/v1beta1/daemonsets=true,extensions/v1beta1/deployments=true,extensions/v1beta1/replicasets=true,extensions/v1beta1/networkpolicies=true,extensions/v1beta1/podsecuritypolicies=true"
nodes:
- role: control-plane
- role: worker
- role: worker
EOF