From: Tony Mack Date: Sun, 30 Nov 2014 20:52:48 +0000 (-0500) Subject: renaming X-Git-Url: http://git.onelab.eu/?p=plstackapi.git;a=commitdiff_plain;h=ac0ccf349743b1918aca4359c8f7955184a2db38 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 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)