Creating a cluster for GW API Conformance

README.md

Simple script to create a KinD cluster ready for Gateway API conformance test

Remember to:

• Change the address on metallb IPAddressPool to the right range
• Bump versions as required

Call it with: ./gwapi.sh BACKEND

being backend:

• istio
• envoygw
• kgateway
• cilium

gwapi.sh

#!/usr/bin/env bash
#

BACKEND="${1:-envoygw}"
EXTRA_CONFIG="${EXTRA_CONFIG:-}"
CLUSTER_NAME="${CLUSTER_NAME:-kind}"
INSTALL_KUADRANT="${INSTALL_KUADRANT:-false}"

create_kind() {
  kind create cluster --name=${CLUSTER_NAME} ${EXTRA_CONFIG}
}

deploy_crds() {
  kubectl get crd gateways.gateway.networking.k8s.io &> /dev/null || \
  kubectl apply --server-side -f https://github.com/kubernetes-sigs/gateway-api/releases/download/v1.4.0/experimental-install.yaml
}

deploy_metallb() {
  # kubectl apply -f https://raw.githubusercontent.com/metallb/metallb/v0.15.2/config/manifests/metallb-native.yaml
  kubectl apply -f ./metallb-native.yaml
  kubectl wait --timeout=5m deploy -n metallb-system controller --for=condition=Available
  kubectl apply -f - <<EOF
apiVersion: metallb.io/v1beta1
kind: IPAddressPool
metadata:
  namespace: metallb-system
  name: kube-services
spec:
  addresses:
  - 172.18.200.100-172.18.200.150
---
apiVersion: metallb.io/v1beta1
kind: L2Advertisement
metadata:
  name: kube-services
  namespace: metallb-system
spec:
  ipAddressPools:
  - kube-services
EOF
}


case $BACKEND in
  # NONE deploys no backend, just a bare cluster with metallb and CRDs
  "none") 
  	create_kind
	deploy_crds
	deploy_metallb
	;;
  "cilium")
	EXTRA_CONFIG="--config=kind-cilium.yaml"
	create_kind
	deploy_crds
	helm install cilium --namespace kube-system --version 1.18.2 \
	  --set image.pullPolicy=IfNotPresent --set ipam.mode=kubernetes \
	  --set gatewayAPI.enabled=true --set nodePort.enabled=true \
	  cilium --repo https://helm.cilium.io
    	kubectl wait --timeout=5m -n kube-system deployment/cilium-operator --for=condition=Available
    	kubectl wait --timeout=5m -n kube-system deployment/coredns --for=condition=Available
	deploy_metallb
	;;
  "envoygw")
	create_kind
	deploy_metallb
	kubectl apply --server-side -f https://github.com/envoyproxy/gateway/releases/download/v1.5.0/install.yaml
    	kubectl wait --timeout=5m -n envoy-gateway-system deployment/envoy-gateway --for=condition=Available
  	kubectl apply -f https://github.com/envoyproxy/gateway/releases/download/v1.5.0/quickstart.yaml -n default
  	;;
   "istio")
	create_kind
	deploy_metallb
	deploy_crds
  	TAG=$(curl https://storage.googleapis.com/istio-build/dev/latest)
  	wget -c https://storage.googleapis.com/istio-build/dev/$TAG/istioctl-$TAG-linux-amd64.tar.gz
  	tar -xvf istioctl-$TAG-linux-amd64.tar.gz
	./istioctl install --set values.pilot.env.PILOT_ENABLE_ALPHA_GATEWAY_API=true --set values.pilot.env.ENABLE_GATEWAY_API_INFERENCE_EXTENSION=true --set profile=minimal --skip-confirmation
	;;
    "kgateway")
	create_kind
	deploy_metallb
	deploy_crds
	helm upgrade -i --create-namespace --namespace kgateway-system --version v2.1.0-rc.1 \
    	  kgateway-crds oci://cr.kgateway.dev/kgateway-dev/charts/kgateway-crds \
          --set controller.image.pullPolicy=Always
  	helm upgrade -i --namespace kgateway-system --version v2.1.0-rc.1 \
    	  kgateway oci://cr.kgateway.dev/kgateway-dev/charts/kgateway \
          --set controller.image.pullPolicy=Always
	;;
    *)
    	echo "Invalid backend"
	exit 1
	;;
esac

if [ "${INSTALL_KUADRANT}" = "true" ]; then
	helm install  kuadrant-operator kuadrant-operator  --create-namespace  --namespace kuadrant-system --repo https://kuadrant.io/helm-charts/
fi