Merge branch 'perfkit-insecure' into 'touchstone-master'

adding insecure option in openstack command

Adding parameter to support openstack commands without cert verification.

See merge request !7

perfkitbenchmarker/providers/openstack/utils.py

@@ -109,4 +109,15 @@ class OpenStackCLICommand(object):
       resource: An OpenStack resource of type BaseResource.
     """
     self.flags['format'] = 'json'
-    self.additional_flags.extend(FLAGS.openstack_additional_flags or ())
+    additional_flags = ()
+    if FLAGS.openstack_additional_flags:
+        additional_flags = FLAGS.openstack_additional_flags[:]
+
+    # Note: Adding INSECURE flag in openstack command to run openstack
+    # command without certificate verification.
+    # This change is required to run Perfkit with INSECURE Certificate Type
+    # of Environment.
+    if 'insecure' in additional_flags:
+        self.args.insert(0, '--insecure')
+        additional_flags.remove('insecure')
+    self.additional_flags.extend(additional_flags)