test: Verify deployement of kata-deploy on microk8s

Enable fonctional test to verify deployment of kata-deploy on a Microk8s cluster

Signed-off-by: Stephane Talbot <Stephane.Talbot@univ-savoie.fr>

.github/workflows/run-kata-deploy-tests-on-garm.yaml

@@ -34,6 +34,7 @@ jobs:
           - k0s
           - k3s
           - rke2
+          - microk8s
     # TODO: There are a couple of vmm/k8s combination failing (https://github.com/kata-containers/kata-containers/issues/9854)
     # and we will put the entire kata-deploy-tests on GARM on maintenance.
     # TODO: Transition to free runner (see #9940).

tests/functional/kata-deploy/kata-deploy.bats

@@ -72,6 +72,8 @@ setup() {
 		kubectl apply -k "tools/packaging/kata-deploy/kata-deploy/overlays/k3s"
 	elif [ "${KUBERNETES}" = "rke2" ]; then
 		kubectl apply -k "tools/packaging/kata-deploy/kata-deploy/overlays/rke2"
+	elif [ "${KUBERNETES}" = "microk8s" ]; then
+		kubectl apply -k "tools/packaging/kata-deploy/kata-deploy/overlays/microk8s"
 	else
 		kubectl apply -f "tools/packaging/kata-deploy/kata-deploy/base/kata-deploy.yaml"
 	fi
@@ -142,6 +144,9 @@ teardown() {
 	elif [ "${KUBERNETES}" = "rke2" ]; then
 		deploy_spec="-k \"tools/packaging/kata-deploy/kata-deploy/overlays/rke2\""
 		cleanup_spec="-k \"tools/packaging/kata-deploy/kata-cleanup/overlays/rke2\""
+	elif [ "${KUBERNETES}" = "microk8s" ]; then
+		deploy_spec="-k \"tools/packaging/kata-deploy/kata-deploy/overlays/microk8s\""
+		cleanup_spec="-k \"tools/packaging/kata-deploy/kata-cleanup/overlays/microk8s\""
 	else
 		deploy_spec="-f \"tools/packaging/kata-deploy/kata-deploy/base/kata-deploy.yaml\""
 		cleanup_spec="-f \"tools/packaging/kata-deploy/kata-cleanup/base/kata-cleanup.yaml\""

tests/gha-run-k8s-common.sh

@@ -323,6 +323,26 @@ function deploy_rke2() {
 	sudo chown ${USER}:${USER} ~/.kube/config
 }
 
+function deploy_microk8s() {
+	sudo snap install microk8s --classic
+
+	# These are arbitrary values
+	sleep 30
+	sudo /snap/bin/microk8s.status --wait-ready --timeout 300
+
+	# install kubectl
+	ARCH=$(arch_to_golang)
+	kubectl_version=$(/snap/bin/microk8s.version | grep -oe 'v[0-9]\+\(\.[0-9]\+\)*')
+	sudo curl -fL --progress-bar -o /usr/bin/kubectl https://dl.k8s.io/release/${kubectl_version}/bin/linux/${ARCH}/kubectl
+	sudo chmod +x /usr/bin/kubectl
+	sudo rm -rf /usr/local/bin/kubectl
+
+	mkdir -p ~/.kube
+	sudo /snap/bin/microk8s.config > ~/.kube/config
+	sudo chown ${USER}:${USER} ~/.kube/config
+	newgrp microk8s
+}
+
 function _get_k0s_kubernetes_version_for_crio() {
 	# k0s version will look like:
 	# v1.27.5+k0s.0
@@ -358,6 +378,7 @@ function deploy_k8s() {
 		k0s) deploy_k0s ;;
 		k3s) deploy_k3s ;;
 		rke2) deploy_rke2 ;;
+		microk8s) deploy_microk8s ;;
 		*) >&2 echo "${KUBERNETES} flavour is not supported"; exit 2 ;;
 	esac