update readme with new permissions required for proxmox 8,

improve handling of proxmox responses

README.md

@@ -19,6 +19,7 @@ In Proxmox VE, follow the following steps:
     - Datastore.Allocate, Datastore.AllocateSpace, Datastore.Audit
     - User.Modify
 	- Pool.Audit
+	- SDN.Use (if instances use SDN networks)
 4. Add a new API Token Permission with path: `/`, select the API token created previously, and role: `proxmoxaas-api`
 5. Add a new User Permission with  path: `/`, select the `proxmoxaas-api` user, and role: `proxmoxaas-api`
 

src/backends/pve.js

@@ -91,7 +91,11 @@ export default class PVE extends PVE_BACKEND {
 	 */
 	async handleResponse (node, result, res) {
 		const waitFor = delay => new Promise(resolve => setTimeout(resolve, delay));
-		if (result.data.data && typeof (result.data.data) === "string" && result.data.data.startsWith("UPID:")) {
+		if (result.status !== 200) {
+			res.status(result.status).send({error: result.statusText});
+			res.end();
+		}
+		else if (result.data.data && typeof (result.data.data) === "string" && result.data.data.startsWith("UPID:")) {
 			const upid = result.data.data;
 			let taskStatus = await this.requestPVE(`/nodes/${node}/tasks/${upid}/status`, "GET", { token: true });
 			while (taskStatus.data.data.status !== "stopped") {