-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.slice import Sliver
-from util.logger import Logger, logging
-
-logger = Logger(level=logging.INFO)
-
-class SyncNetworkDeployments(OpenStackSyncStep):
- requested_interval = 0
- provides=[Networ, NetworkDeployments, Sliver]
-
- def fetch_pending(self):
- # network deployments are not visible to users. We must ensure
- # networks are deployed at all deploymets available to their slices.
- slice_deployments = SliceDeployments.objects.all()
- slice_deploy_lookup = defaultdict(list)
- for slice_deployment in slice_deployments:
- slice_deploy_lookup[slice_deployment.slice].append(slice_deployment.deployment)
-
- network_deployments = NetworkDeployments.objects.all()
- network_deploy_lookup = defaultdict(list)
- for network_deployment in network_deployments:
- network_deploy_lookup[network_deployment.network].append(network_deployment.deployment)
-
- for network in Network.objects.filter():
- # ignore networks that have
- # template.visibility = private and template.translation = none
- if network.template.visibility == 'private' and not network.template.translation == 'none':
- continue
- expected_deployments = slice_deploy_lookup[network.owner]
- for expected_deployment in expected_deployments:
- if network not in network_deploy_lookup or \
- expected_deployment not in network_deploy_lookup[network]:
- nd = NetworkDeployments(network=network, deployment=expected_deployment)
- nd.save()
- 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)
- 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.network_id and network_deployment.network.template.sharedNetworkName:
- network_deployment.network_id = network_deployment.network.template.sharedNetworkId
-
- 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))
- else:
- (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))
-
- network_deployment.save()
-
- def sync_record(self, network_deployment):
- if network_deployment.network.owner and network_deployment.network.owner.creator:
- try:
- # update manager context
- real_driver = self.driver
- self.driver = self.driver.client_driver(caller=network_deployment.network.owner.creator,
- tenant=network_deployment.network.owner.name,
- deployment=network_deployment.deployment.name)
- self.save_network_deployment(network_deployment)
- self.driver = real_driver
- logger.info("saved network deployment: %s" % (network_deployment))
- except Exception,e:
- logger.log_exc("save network deployment failed: %s" % network_deployment)
- raise e
-
-
-