Fix panic condition in Job await logic (#929)

For events received by the Job awaiter, explicitly
check that the event has a non-nil Object to avoid
a possible panic.

CHANGELOG.md

@@ -1,5 +1,8 @@
 ## HEAD (Unreleased)
 
+### Bug fixes
+
+-   Fix deprecation warnings and docs. (https://github.com/pulumi/pulumi-kubernetes/pull/929).
 -   Fix projection of array-valued output properties in .NET. (https://github.com/pulumi/pulumi-kubernetes/pull/931)
 
 ## 1.4.1 (December 17, 2019)

pkg/await/job.go

@@ -180,6 +180,10 @@ func (jia *jobInitAwaiter) Read() error {
 }
 
 func (jia *jobInitAwaiter) processJobEvent(event watch.Event) error {
+	if event.Object == nil {
+		glog.V(3).Infof("received event with nil Object: %#v", event)
+		return nil
+	}
 	job, err := clients.JobFromUnstructured(event.Object.(*unstructured.Unstructured))
 	if err != nil {
 		glog.V(3).Infof("Failed to unmarshal Job event: %v", err)