knative-serving-setup

#!/bin/sh
set -eux

export KO_DOCKER_REPO=kind.local
export KO_FLAGS='--platform=linux/amd64'

echo "Setting up local container registry..."
REGISTRY_NAME='registry.local'
REGISTRY_PORT='5001'

if [ "$(docker inspect -f '{{.State.Running}}' "${REGISTRY_NAME}" 2>/dev/null || true)" != 'true' ]; then
  docker run \
    -d --restart=always -p "127.0.0.1:${REGISTRY_PORT}:5000" --name "${REGISTRY_NAME}" \
    registry:2
fi

echo "Creating KinD cluster..."
cat <<EOF | kind create cluster --config=-

kind: Cluster
apiVersion: kind.x-k8s.io/v1alpha4
containerdConfigPatches:
- |-
  [plugins."io.containerd.grpc.v1.cri".registry.mirrors."localhost:${REGISTRY_PORT}"]
    endpoint = ["http://${REGISTRY_NAME}:5000"]
EOF

echo "Connecting registry to KinD cluster..."
if [ "$(docker inspect -f='{{json .NetworkSettings.Networks.kind}}' "${REGISTRY_NAME}")" = 'null' ]; then
  docker network connect "kind" "${REGISTRY_NAME}"
fi

# Document the local registry
# https://github.com/kubernetes/enhancements/tree/master/keps/sig-cluster-lifecycle/generic/1755-communicating-a-local-registry
cat <<EOF | kubectl apply -f -
apiVersion: v1
kind: ConfigMap
metadata:
  name: local-registry-hosting
  namespace: kube-public
data:
  localRegistryHosting.v1: |
    host: "localhost:${REGISTRY_PORT}"
    help: "https://kind.sigs.k8s.io/docs/user/local-registry/"
EOF

echo "Deploying cert-manager..."
kubectl apply -f ./third_party/cert-manager-latest/cert-manager.yaml
kubectl wait --for=condition=Established --all crd
kubectl wait --for=condition=Available -n cert-manager --all deployments

echo "Deploying Knative Serving..."
ko apply --selector knative.dev/crd-install=true -Rf config/core/
kubectl wait --for=condition=Established --all crd
ko apply -Rf config/core/

echo "Deploying Knative ingress with Kourier..."
kubectl apply -f ./third_party/kourier-latest/kourier.yaml
kubectl patch configmap/config-network \
  -n knative-serving \
  --type merge \
  -p '{"data":{"ingress.class":"kourier.ingress.networking.knative.dev"}}'