Added ec2 observer, WIP
diff --git a/planetstack/ec2_observer/steps/sync_sliver_ips.py b/planetstack/ec2_observer/steps/sync_sliver_ips.py
new file mode 100644
index 0000000..e2212d1
--- /dev/null
+++ b/planetstack/ec2_observer/steps/sync_sliver_ips.py
@@ -0,0 +1,29 @@
+import os
+import base64
+from django.db.models import F, Q
+from planetstack.config import Config
+from observer.openstacksyncstep import OpenStackSyncStep
+from core.models.sliver import Sliver
+
+class SyncSliverIps(OpenStackSyncStep):
+    provides=[Sliver]
+    requested_interval=0
+
+    def fetch_pending(self):
+        slivers = Sliver.objects.filter(ip=None)
+        return slivers
+
+    def sync_record(self, sliver):
+        driver = self.driver.client_driver(tenant=sliver.slice.name, 
+                                           deployment=sliver.node.deployment.name)  
+        servers = driver.shell.nova.servers.findall(id=sliver.instance_id)
+        if not servers:
+            return
+        server = servers[0]
+        ips = server.addresses.get(sliver.slice.name, [])
+        if not ips:
+            return
+        sliver.ip = ips[0]['addr']
+        if sliver.ip:
+            sliver.save()
+            logger.info("saved sliver ip: %s %s" % (sliver, ips[0]))