Merge pull request #14856 from durandom/google_pubsub

Google pubsub - undefined method `empty?' for nil:NilClass
(cherry picked from commit 7edd38f)

https://bugzilla.redhat.com/show_bug.cgi?id=1445083

app/models/manageiq/providers/google/cloud_manager/event_catcher/stream.rb

@@ -51,6 +51,9 @@ def get_or_create_subscription(google)
     # If event catcher is not yet setup, then we'll get a fog error
     google.subscriptions.get(subscription_name) ||
       google.subscriptions.create(:name  => subscription_name,
+                                  # add empty config - workaround for https://github.com/fog/fog-google/issues/214
+                                  # TODO: remove once the above is resolved
+                                  :push_config => {},
                                   :topic => topic_name)
   rescue Fog::Errors::NotFound
     # Rather than expose the notfound error, we expose our own exception