A simple shell script to deploy Knative serving on minikube or KinD clusters

setup_knative_serving.sh

#!/bin/bash 

set -eu
set -o pipefail

knative_version=${KNATIVE_VERSION:-v0.16.0}
knative_serving_version=${KNATIVE_SERVING_VERSION:-v0.16.0}

###################################
# Ingress 
###################################

kubectl apply -f https://projectcontour.io/quickstart/contour.yaml

kubectl rollout status ds envoy -n projectcontour

######################################
## Knative Serving
######################################

kubectl apply \
  --filename https://github.com/knative/serving/releases/download/$knative_serving_version/serving-crds.yaml 

kubectl apply \
  --filename \
  https://github.com/knative/serving/releases/download/$knative_serving_version/serving-core.yaml

kubectl rollout status deploy controller -n knative-serving 
kubectl rollout status deploy activator -n knative-serving 

kubectl apply \
  --filename \
    https://github.com/knative/net-kourier/releases/download/$knative_version/kourier.yaml
  
kubectl rollout status deploy 3scale-kourier-control -n kourier-system 
kubectl rollout status deploy 3scale-kourier-gateway -n kourier-system

kubectl patch configmap/config-network \
  -n knative-serving \
  --type merge \
  -p '{"data":{"ingress.class":"kourier.ingress.networking.knative.dev"}}'

cat <<EOF | kubectl apply -n kourier-system -f -
apiVersion: networking.k8s.io/v1beta1
kind: Ingress
metadata:
  name: kourier-ingress
  namespace: kourier-system
spec:
  backend:
    serviceName: kourier
    servicePort: 80
EOF

# skip registriesSkippingTagResolving for few local and development registry prefixes
kubectl patch configmap/config-deployment \
    -n knative-serving \
    --type merge \
    -p '{"data":{"registriesSkippingTagResolving": "ko.local,dev.local,example.com,example.org,test.com,test.org,localhost:5000"}}'

# set nip.io resolution 
ksvc_domain="\"data\":{\""$(minikube ip)".nip.io\": \"\"}"
kubectl patch configmap/config-domain \
    -n knative-serving \
    --type merge \
    -p "{$ksvc_domain}"