renaming

diff --git a/planetstack/openstack_observer/steps/sync_controller_networks.py b/planetstack/openstack_observer/steps/sync_controller_networks.py
new file mode 100644 (file)
index 0000000..a6fc389
--- /dev/null
+++ b/planetstack/openstack_observer/steps/sync_controller_networks.py
@@ -0,0 +1,136 @@
+import os
+import base64
+from collections import defaultdict
+from netaddr import IPAddress, IPNetwork
+from django.db.models import F, Q
+from planetstack.config import Config
+from observer.openstacksyncstep import OpenStackSyncStep
+from core.models.network import *
+from core.models.slice import *
+from core.models.sliver import Sliver
+from util.logger import Logger, logging
+
+logger = Logger(level=logging.INFO)
+
+class SyncNetworkDeployments(OpenStackSyncStep):
+    requested_interval = 0
+    provides=[Network, NetworkDeployments, Sliver]
+
+    def fetch_pending(self, deleted):
+        if (deleted):
+            return NetworkDeployments.deleted_objects.all()
+        else:
+            return NetworkDeployments.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
+
+    def get_next_subnet(self, deployment=None):
+        # limit ourself to 10.0.x.x for now
+        valid_subnet = lambda net: net.startswith('10.0')
+
+        driver = self.driver.admin_driver(deployment=deployment,tenant='admin')
+        subnets = driver.shell.quantum.list_subnets()['subnets']
+        ints = [int(IPNetwork(subnet['cidr']).ip) for subnet in subnets \
+                if valid_subnet(subnet['cidr'])]
+        ints.sort()
+        if ints:
+            last_ip = IPAddress(ints[-1])
+        else:
+            last_ip = IPAddress('10.0.0.0')
+        last_network = IPNetwork(str(last_ip) + "/24")
+        next_network = IPNetwork(str(IPAddress(last_network) + last_network.size) + "/24")
+        return next_network
+
+    def save_network_deployment(self, network_deployment):
+        if (not network_deployment.net_id) and network_deployment.network.template.sharedNetworkName:
+            # It's a shared network, try to find the shared network id
+
+            quantum_networks = self.driver.shell.quantum.list_networks(name=network_deployment.network.template.sharedNetworkName)["networks"]
+            if quantum_networks:
+                logger.info("set shared network id %s" % quantum_networks[0]["id"])
+                network_deployment.net_id = quantum_networks[0]["id"]
+            else:
+                logger.info("failed to find shared network id for deployment")
+                return
+
+        # At this point, it must be a private network, so create it if it does
+        # not exist.
+
+        if not network_deployment.net_id:
+            network_name = network_deployment.network.name
+
+            # create network
+            os_network = self.driver.create_network(network_name, shared=True)
+            network_deployment.net_id = os_network['id']
+
+            # create router
+            #router = self.driver.create_router(network_name)
+            #network_deployment.router_id = router['id']
+
+            # create subnet
+            next_subnet = self.get_next_subnet(deployment=network_deployment.deployment.name)
+            cidr = str(next_subnet.cidr)
+            ip_version = next_subnet.version
+            start = str(next_subnet[2])
+            end = str(next_subnet[-2])
+            subnet = self.driver.create_subnet(name=network_name,
+                                               network_id = network_deployment.net_id,
+                                               cidr_ip = cidr,
+                                               ip_version = ip_version,
+                                               start = start,
+                                               end = end)
+            network_deployment.subnet = cidr
+            network_deployment.subnet_id = subnet['id']
+            # add subnet as interface to slice's router
+            #self.driver.add_router_interface(router['id'], subnet['id'])
+            # add external route
+            #self.driver.add_external_route(subnet)
+            logger.info("created private subnet (%s) for network: %s" % (cidr, network_deployment.network))
+
+        # Now, figure out the subnet and subnet_id for the network. This works
+        # for both private and shared networks.
+
+        if (not network_deployment.subnet_id) or (not network_deployment.subnet):
+            (network_deployment.subnet_id, network_deployment.subnet) = self.driver.get_network_subnet(network_deployment.net_id)
+            logger.info("sync'ed subnet (%s) for network: %s" % (network_deployment.subnet, network_deployment.network))
+
+        if (not network_deployment.subnet):
+            # this will generate a non-null database constraint error
+            #   ... which in turn leads to transaction errors
+            # it's probably caused by networks that no longer exist at the
+            # quantum level.
+
+            logger.info("null subnet for network %s, skipping save" % network_deployment.network)
+            return
+
+        network_deployment.save()
+
+    def sync_record(self, network_deployment):
+        logger.info("sync'ing network deployment %s for network %s slice %s deployment %s" % (network_deployment, network_deployment.network, str(network_deployment.network.owner), network_deployment.deployment))
+
+        if not network_deployment.deployment.admin_user:
+            logger.info("deployment %r has no admin_user, skipping" % network_deployment.deployment)
+            return
+
+        self.driver = self.driver.admin_driver(deployment=network_deployment.deployment,tenant='admin')
+        if network_deployment.network.owner and network_deployment.network.owner.creator:
+            try:
+                # update manager context
+               # Bring back
+                self.save_network_deployment(network_deployment)
+                logger.info("saved network deployment: %s" % (network_deployment))
+            except Exception,e:
+                logger.log_exc("save network deployment failed: %s" % network_deployment)
+                raise e
+
+
+    def delete_record(self, network_deployment):
+        driver = OpenStackDriver().client_driver(caller=network_deployment.network.owner.creator,
+                                                 tenant=network_deployment.network.owner.name,
+                                                 deployment=network_deployment.deployment.name)
+        if (network_deployment.router_id) and (network_deployment.subnet_id):
+            driver.delete_router_interface(network_deployment.router_id, network_deployment.subnet_id)
+        if network_deployment.subnet_id:
+            driver.delete_subnet(network_deployment.subnet_id)
+        if network_deployment.router_id:
+            driver.delete_router(network_deployment.router_id)
+        if network_deployment.net_id:
+            driver.delete_network(network_deployment.net_id)