Added ec2 observer, WIP
diff --git a/planetstack/ec2_observer/steps/sync_network_slivers.py b/planetstack/ec2_observer/steps/sync_network_slivers.py
new file mode 100644
index 0000000..7e69330
--- /dev/null
+++ b/planetstack/ec2_observer/steps/sync_network_slivers.py
@@ -0,0 +1,80 @@
+import os
+import base64
+from django.db.models import F, Q
+from planetstack.config import Config
+from observer.openstacksyncstep import OpenStackSyncStep
+from core.models.network import *
+
+class SyncNetworkSlivers(OpenStackSyncStep):
+ requested_interval = 3600
+ provides=[NetworkSliver]
+
+ def fetch_pending(self):
+ return NetworkSliver.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
+
+ def call(self, failed=[]):
+ networkSlivers = NetworkSliver.objects.all()
+ networkSlivers_by_id = {}
+ networkSlivers_by_port = {}
+ for networkSliver in networkSlivers:
+ networkSlivers_by_id[networkSliver.id] = networkSliver
+ networkSlivers_by_port[networkSliver.port_id] = networkSliver
+
+ networks = Network.objects.all()
+ networks_by_id = {}
+ for network in networks:
+ networks_by_id[network.network_id] = network
+
+ slivers = Sliver.objects.all()
+ slivers_by_instance_id = {}
+ for sliver in slivers:
+ slivers_by_instance_id[sliver.instance_id] = sliver
+
+ driver = self.driver.admin_driver(caller=sliver.creator, tenant=sliver.slice.name, deployment=sliver.node.deployment.name)
+ ports = driver.shell.quantum.list_ports()["ports"]
+ for port in ports:
+ if port["id"] in networkSlivers_by_port:
+ # we already have it
+ print "already accounted for port", port["id"]
+ continue
+
+ if port["device_owner"] != "compute:nova":
+ # we only want the ports that connect to instances
+ continue
+
+ network = networks_by_id.get(port['network_id'], None)
+ if not network:
+ #print "no network for port", port["id"], "network", port["network_id"]
+ continue
+
+ sliver = slivers_by_instance_id.get(port['device_id'], None)
+ if not sliver:
+ print "no sliver for port", port["id"], "device_id", port['device_id']
+ continue
+
+ if network.template.sharedNetworkId is not None:
+ # If it's a shared network template, then more than one network
+ # object maps to the quantum network. We have to do a whole bunch
+ # of extra work to find the right one.
+ networks = network.template.network_set.all()
+ network = None
+ for candidate_network in networks:
+ if (candidate_network.owner == sliver.slice):
+ print "found network", candidate_network
+ network = candidate_network
+
+ if not network:
+ print "failed to find the correct network for a shared template for port", port["id"], "network", port["network_id"]
+ continue
+
+ if not port["fixed_ips"]:
+ print "port", port["id"], "has no fixed_ips"
+ continue
+
+# print "XXX", port
+
+ ns = NetworkSliver(network=network,
+ sliver=sliver,
+ ip=port["fixed_ips"][0]["ip_address"],
+ port_id=port["id"])
+ ns.save()