docs: Fix up labelling cluster correctly in README

Author: jimmidyson

README.md

@@ -27,14 +27,14 @@ To create a cluster with [clusterctl](https://cluster-api.sigs.k8s.io/user/quick
 CNI at the same time, run:
 
 ```shell
-env POD_SECURITY_STANDARD_ENABLED=false \
-  clusterctl generate cluster capi-quickstart \
-    --flavor development \
-    --kubernetes-version v1.27.2 \
-    --control-plane-machine-count=1 \
-    --worker-machine-count=1 | \
-  kubectl label -f - --local --dry-run=client -oyaml capiext.labs.d2iq.io/cni=calico | \
-  kubectl apply --server-side -f -
+clusterctl generate cluster capi-quickstart \
+  --flavor development \
+  --kubernetes-version v1.27.2 \
+  --control-plane-machine-count=1 \
+  --worker-machine-count=1 | \
+gojq --yaml-input --yaml-output \
+  '. | (select(.kind=="Cluster").metadata.labels["capiext.labs.d2iq.io/cni"]|="calico")' | \
+kubectl apply --server-side -f -
 ```
 
 Wait until control plane is ready:

make/kind.mk

@@ -26,7 +26,7 @@ kind.recreate: kind.delete kind.create
 .PHONY: kind.create
 kind.create: ## Creates new KinD cluster
 kind.create: ; $(info $(M) creating kind cluster - $(KIND_CLUSTER_NAME))
-	(kind get clusters | grep -Eq '^$(KIND_CLUSTER_NAME)$$' && echo '$(KIND_CLUSTER_NAME) already exists') || \
+	(kind get clusters 2>/dev/null | grep -Eq '^$(KIND_CLUSTER_NAME)$$' && echo '$(KIND_CLUSTER_NAME) already exists') || \
 		env KUBECONFIG=$(KIND_KUBECONFIG) $(REPO_ROOT)/hack/kind/create-cluster.sh \
 		  --cluster-name $(KIND_CLUSTER_NAME) \
 		  --kindest-image $(KINDEST_IMAGE) \
@@ -36,7 +36,7 @@ kind.create: ; $(info $(M) creating kind cluster - $(KIND_CLUSTER_NAME))
 .PHONY: kind.delete
 kind.delete: ## Deletes KinD cluster
 kind.delete: ; $(info $(M) deleting kind cluster - $(KIND_CLUSTER_NAME))
-	(kind get clusters | grep -Eq '^$(KIND_CLUSTER_NAME)$$' && kind delete cluster --name $(KIND_CLUSTER_NAME)) || \
+	(kind get clusters 2>/dev/null | grep -Eq '^$(KIND_CLUSTER_NAME)$$' && kind delete cluster --name $(KIND_CLUSTER_NAME)) || \
 	  echo '$(KIND_CLUSTER_NAME) does not exist'
 	rm -rf $(KIND_DIR)/$(KIND_CLUSTER_NAME)