add an openrc file so that users can easily use the client
diff --git a/exercise.sh b/exercise.sh
index f35adef..c62e86d 100755
--- a/exercise.sh
+++ b/exercise.sh
@@ -19,44 +19,8 @@
# Settings
# ========
-# Use stackrc and localrc for settings
-source ./stackrc
-
-HOST=${HOST:-localhost}
-
-# Nova original used project_id as the *account* that owned resources (servers,
-# ip address, ...) With the addition of Keystone we have standardized on the
-# term **tenant** as the entity that owns the resources. **novaclient** still
-# uses the old deprecated terms project_id. Note that this field should now be
-# set to tenant_name, not tenant_id.
-export NOVA_PROJECT_ID=${TENANT:-demo}
-
-# In addition to the owning entity (tenant), nova stores the entity performing
-# the action as the **user**.
-export NOVA_USERNAME=${USERNAME:-demo}
-
-# With Keystone you pass the keystone password instead of an api key.
-export NOVA_API_KEY=${ADMIN_PASSWORD:-secrete}
-
-# With the addition of Keystone, to use an openstack cloud you should
-# authenticate against keystone, which returns a **Token** and **Service
-# Catalog**. The catalog contains the endpoint for all services the user/tenant
-# has access to - including nova, glance, keystone, swift, ... We currently
-# recommend using the 2.0 *auth api*.
-#
-# *NOTE*: Using the 2.0 *auth api* does mean that compute api is 2.0. We will
-# use the 1.1 *compute api*
-export NOVA_URL=${NOVA_URL:-http://$HOST:5000/v2.0/}
-
-# Currently novaclient needs you to specify the *compute api* version. This
-# needs to match the config of your catalog returned by Keystone.
-export NOVA_VERSION=1.1
-
-# FIXME - why does this need to be specified?
-export NOVA_REGION_NAME=RegionOne
-
-# set log level to DEBUG (helps debug issues)
-export NOVACLIENT_DEBUG=1
+# Use openrc + stackrc + localrc for settings
+source ./openrc
# Get a token for clients that don't support service catalog
# ==========================================================