fix(Xapi#_deleteVm): fix parallel calls

Fixes vatesfr/xo-web#2297

package.json

@@ -110,7 +110,7 @@
     "tmp": "^0.0.31",
     "uuid": "^3.0.1",
     "ws": "^3.0.0",
-    "xen-api": "^0.14.0",
+    "xen-api": "^0.14.1",
     "xml2js": "~0.4.17",
     "xo-acl-resolver": "^0.2.3",
     "xo-collection": "^0.4.1",

src/xapi/index.js

@@ -662,7 +662,8 @@ export default class Xapi extends XapiBase {
       await this.call('VM.hard_shutdown', $ref)
     }
 
-    await this.barrier('VM', $ref)
+    // ensure the vm record is up-to-date
+    vm = await this.barrier('VM', $ref)
 
     return Promise.all([
       this.call('VM.destroy', $ref),

yarn.lock

@@ -7093,9 +7093,9 @@ xdg-basedir@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/xdg-basedir/-/xdg-basedir-3.0.0.tgz#496b2cc109eca8dbacfe2dc72b603c17c5870ad4"
 
-xen-api@^0.14.0:
-  version "0.14.0"
-  resolved "https://registry.yarnpkg.com/xen-api/-/xen-api-0.14.0.tgz#93bfb9f35daca1092237f1a0dfb211005a8e7916"
+xen-api@^0.14.1:
+  version "0.14.1"
+  resolved "https://registry.yarnpkg.com/xen-api/-/xen-api-0.14.1.tgz#1b70226cf98f19353e789baf1d7ec4d73d9137a1"
   dependencies:
     babel-polyfill "^6.23.0"
     blocked "^1.2.1"