openstack_observer use XOS_DIR instead of hardcoded paths
diff --git a/planetstack/openstack_observer/ansible.py b/planetstack/openstack_observer/ansible.py
index 41dc6f0..b8cd311 100644
--- a/planetstack/openstack_observer/ansible.py
+++ b/planetstack/openstack_observer/ansible.py
@@ -8,11 +8,15 @@
 import random
 import re
 
+# XXX hardcoded path
+#    is there any reason why we aren't importing planetstack.config ?
+XOS_DIR="/opt/planetstack"
+
 try:
     step_dir = Config().observer_steps_dir
     sys_dir = Config().observer_sys_dir
 except:
-    step_dir = '/opt/planetstack/observer/steps'
+    step_dir = XOS_DIR + '/observer/steps'
     sys_dir = '/opt/opencloud'
 
 os_template_loader = jinja2.FileSystemLoader( searchpath=step_dir)
@@ -63,7 +67,7 @@
     f.write(buffer)
     f.flush()
 
-    run = os.popen('/opt/planetstack/observer/run_ansible %s'%shellquote(fqp))
+    run = os.popen(XOS_DIR + "/observer/run_ansible %s'%shellquote(fqp))
     #run = os.popen('ansible-playbook -v %s'%shellquote(fqp))
     msg = run.read()
     status = run.close()