+# The OpenStack openrc file to use (must be a valid full pathname). If running
+# in a container, this path must be valid in the container.
+#
+# The only case where this field can be empty is when measuring a system that does not run
+# OpenStack or when OpenStack APIs are not accessible or OpenStack APis use is not
+# desirable. In that case the EXT service chain must be used.
+openrc_file: