Merge pull request #69 from mansam/dont-break-refresh-if-flavor-is-mi…

…ssing

Don't break refresh if a flavor couldn't be found
(cherry picked from commit f3ba0ffd038dea2d017d66e994b37a904450270f)

https://bugzilla.redhat.com/show_bug.cgi?id=1476279

app/models/manageiq/providers/openstack/refresh_parser_common/flavors.rb

@@ -50,7 +50,7 @@ def flavor_tenants(flavor)
           tenants = []
           # Add tenants with access to the private flavor
           unparsed_tenants = safe_list { @connection.list_tenants_with_flavor_access(flavor.id) }
-          flavor_access = unparsed_tenants.data[:body]["flavor_access"]
+          flavor_access = unparsed_tenants.try(:data).try(:[], :body).try(:[], "flavor_access") || []
           unless flavor_access.blank?
             tenants += flavor_access.map { |x| @data_index.fetch_path(:cloud_tenants, x['tenant_id']) }
           end