feat(bug): retry kfserving installation. Fixes kubeflow#1613 (kubeflo…

…w#1668)

* update to retry to apply resources

* retry installation due to TLS certificates ..

* update with comment and increas retry

hack/quick_install.sh

@@ -65,7 +65,7 @@ kubectl apply --validate=false -f https://github.com/jetstack/cert-manager/relea
 kubectl wait --for=condition=available --timeout=600s deployment/cert-manager-webhook -n cert-manager
 cd ..
 # Install KFServing
-kubectl apply -f install/${KFSERVING_VERSION}/kfserving.yaml
-
+# Retry inorder to handle that it may take a minute or so for the TLS assets required for the webhook to function to be provisioned
+for i in 1 2 3 4 5 ; do kubectl apply -f install/${KFSERVING_VERSION}/kfserving.yaml && break || sleep 15; done
 # Clean up
 rm -rf istio-${ISTIO_VERSION}