Allows identity endpoint to be specified as URI

Deprecates the piecemeal identity URL buildup and
replaces with a simple uri configuration setting.
Gets rid of the /tokens path stuff that was not
necessary to have in configuration file.

Change-Id: I5e80177073f756781f813438d054fede2d6334a3
diff --git a/tools/tempest_coverage.py b/tools/tempest_coverage.py
index 73dcfbc..6e7ac04 100755
--- a/tools/tempest_coverage.py
+++ b/tools/tempest_coverage.py
@@ -139,7 +139,7 @@
 def main(argv):
     CLI = parse_opts(argv)
     client_args = (CONF, CONF.compute_admin.username,
-                   CONF.compute_admin.password, CONF.identity.auth_url,
+                   CONF.compute_admin.password, CONF.identity.uri,
                    CONF.compute_admin.tenant_name)
     coverage_client = CoverageClientJSON(*client_args)