From 4754e19e83db2296a555e685a78de09efcc7623b Mon Sep 17 00:00:00 2001
From: wescoeur <ronan.abhamon@gmail.com>
Date: Fri, 25 Mar 2016 15:10:17 +0100
Subject: [PATCH] Throw an error if a vm is halted and its stats are requested.

---
 src/xapi-stats.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/xapi-stats.js b/src/xapi-stats.js
index 4a6e22fc1..20df6f2a3 100644
--- a/src/xapi-stats.js
+++ b/src/xapi-stats.js
@@ -528,6 +528,11 @@ export default class XapiStats {
   async getVmPoints (xapi, vmId, granularity) {
     const vm = xapi.getObject(vmId)
     const host = vm.$resident_on
+
+    if (!host) {
+      throw new Error(`VM ${vmId} is halted or host could not be found.`)
+    }
+
     return this._getAndUpdatePoints(xapi, host, vm.uuid, granularity)
   }
 }