start to cli exercise

exercise.sh

@@ -0,0 +1,24 @@
+#!/usr/bin/env bash
+
+# **exercise.sh** - using the cloud can be fun
+
+# we will use the ``nova`` cli tool provided by the ``python-novaclient``
+# package
+
+# Settings/Options
+# ================
+
+HOST=${HOST:-localhost}
+export NOVA_PROJECT_ID=${TENANT:-admin}
+export NOVA_USERNAME=${USERNAME:-admin}
+export NOVA_API_KEY=${PASS:-secrete}
+
+# keystone is the authentication system.  We use the **auth** 2.0 protocol.
+# Upon successful authentication, we are return a token and catalog of 
+# endpoints (for openstack services)
+export NOVA_URL="http://$HOST:5000/v2.0/"
+export NOVA_VERSION=1.1
+
+export
+
+nova list