Added ec2 observer, WIP
diff --git a/planetstack/ec2_observer/steps/sync_site_privileges.py b/planetstack/ec2_observer/steps/sync_site_privileges.py
new file mode 100644
index 0000000..b57ae43
--- /dev/null
+++ b/planetstack/ec2_observer/steps/sync_site_privileges.py
@@ -0,0 +1,31 @@
+import os
+import base64
+from django.db.models import F, Q
+from planetstack.config import Config
+from observer.openstacksyncstep import OpenStackSyncStep
+from core.models.site import *
+from core.models.user import User, UserDeployments    
+
+class SyncSitePrivileges(OpenStackSyncStep):
+    requested_interval=0
+    provides=[SitePrivilege]
+
+    def fetch_pending(self):
+        return SitePrivilege.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
+
+    def sync_record(self, site_priv):
+        if site_priv.user.kuser_id and site_priv.site.tenant_id:
+            self.driver.add_user_role(site_priv.user.kuser_id,
+                                      site_priv.site.tenant_id,
+                                      site_priv.role.role) 
+
+        # sync site privileges at all site deployments
+        site_deployments = SiteDeployments.objects.filter(site=site_priv.site)
+        for site_deployment in site_deployments:
+            user_deployments = UserDeployments.objects.filter(deployment=site_deployment.deployment)
+            if user_deployments:
+                kuser_id  = user_deployments[0].kuser_id
+                driver = self.driver.admin_driver(deployment=site_deployment.deployment.name)
+                driver.add_user_role(kuser_id,
+                                     site_deployment.tenant_id,
+                                     site_priv.role.role)