Closes #10: Delete nginx conf on certificate retrieval failure

createVhosts.sh

@@ -28,6 +28,7 @@ function usage
 function get_cert
 {
 	/root/.acme.sh/acme.sh --issue --domain $_domain --webroot /srv/http-content-combined/ --cert-file /etc/nginx/ssl/${_domain}.crt --key-file /etc/nginx/ssl/${_domain}.key --fullchain-file /etc/nginx/ssl/${_domain}-fullchain.crt
+    return $?
 }
 
 function reload_nginx
@@ -172,7 +173,10 @@ echo "Reloading Nginx..."
 reload_nginx
 
 echo "Retrieving Let's Encrypt Certificate..."
-get_cert
+if ! get_cert; then
+    rm $_vhost_conf_file
+    err "Failed to retrieve certificate!"
+fi
 
 cat << EOF >> $_vhost_conf_file