move over configurations from xos repo

Change-Id: I66583bdaea582986d8f16a29066a79c6687b97fb
diff --git a/common/devstack-creds.sh b/common/devstack-creds.sh
new file mode 100644
index 0000000..b90e6ec
--- /dev/null
+++ b/common/devstack-creds.sh
@@ -0,0 +1,9 @@
+#!/bin/sh
+
+DEVSTACK_ROOT=$1
+
+source $DEVSTACK_ROOT/openrc admin admin
+echo export OS_TENANT_NAME=$OS_TENANT_NAME
+echo export OS_USERNAME=$OS_USERNAME
+echo export OS_PASSWORD=$OS_PASSWORD
+echo export OS_AUTH_URL=$OS_AUTH_URL