import time
import traceback
import commands
+import threading
+
from datetime import datetime
from collections import defaultdict
from core.models import *
from django.db.models import F, Q
from openstack.manager import OpenStackManager
-from util.logger import Logger, logging
+from util.logger import Logger, logging, logger
+#from timeout import timeout
logger = Logger(logfile='observer.log', level=logging.INFO)
def __init__(self):
self.manager = OpenStackManager()
+ # The Condition object that gets signalled by Feefie events
+ self.event_cond = threading.Condition()
+
+ def wait_for_event(self, timeout):
+ self.event_cond.acquire()
+ self.event_cond.wait(timeout)
+ self.event_cond.release()
+
+ def wake_up(self):
+ logger.info('Wake up routine called. Event cond %r'%self.event_cond)
+ self.event_cond.acquire()
+ self.event_cond.notify()
+ self.event_cond.release()
def run(self):
if not self.manager.enabled or not self.manager.has_openstack:
return
while True:
try:
+ logger.info('Observer run loop')
#self.sync_roles()
- self.sync_tenants()
- self.sync_users()
- self.sync_user_tenant_roles()
- self.sync_slivers()
- self.sync_sliver_ips()
- self.sync_external_routes()
- time.sleep(10)
+
+ logger.info('Calling sync tenants')
+ try:
+ self.sync_tenants()
+ except:
+ logger.log_exc("Exception in sync_tenants")
+ traceback.print_exc()
+
+ logger.info('Calling sync users')
+ try:
+ self.sync_users()
+ except:
+ logger.log_exc("Exception in sync_users")
+ traceback.print_exc()
+
+ logger.info('Calling sync tenant roles')
+ try:
+ self.sync_user_tenant_roles()
+ except:
+ logger.log_exc("Exception in sync_users")
+ traceback.print_exc()
+
+ logger.info('Calling sync slivers')
+ try:
+ self.sync_slivers()
+ except:
+ logger.log_exc("Exception in sync slivers")
+ traceback.print_exc()
+
+ logger.info('Calling sync sliver ips')
+ try:
+ self.sync_sliver_ips()
+ except:
+ logger.log_exc("Exception in sync_sliver_ips")
+ traceback.print_exc()
+
+ logger.info('Calling sync networks')
+ try:
+ self.sync_networks()
+ except:
+ logger.log_exc("Exception in sync_networks")
+ traceback.print_exc()
+
+ logger.info('Calling sync network slivers')
+ try:
+ self.sync_network_slivers()
+ except:
+ logger.log_exc("Exception in sync_network_slivers")
+ traceback.print_exc()
+
+ logger.info('Calling sync external routes')
+ try:
+ self.sync_external_routes()
+ except:
+ logger.log_exc("Exception in sync_external_routes")
+ traceback.print_exc()
+
+ logger.info('Waiting for event')
+ tBeforeWait = time.time()
+ self.wait_for_event(timeout=300)
+
+ # Enforce 5 minutes between wakeups
+ tSleep = 300 - (time.time() - tBeforeWait)
+ if tSleep > 0:
+ logger.info('Sleeping for %d seconds' % tSleep)
+ time.sleep(tSleep)
+
+ logger.info('Observer woken up')
except:
- traceback.print_exc()
+ logger.log_exc("Exception in observer run loop")
+ traceback.print_exc()
def sync_roles(self):
"""
# update manager context
self.manager.init_caller(sliver.creator, sliver.slice.name)
self.manager.save_sliver(sliver)
- logger.info("saved sliver: %s %s" % (sliver))
+ logger.info("saved sliver: %s" % (sliver))
except:
logger.log_exc("save sliver failed: %s" % sliver)
sliver_dict[sliver.instance_id] = sliver
# delete sliver that don't have a sliver record
- ctx = self.manager.driver.shell.nova_db.ctx
+ ctx = self.manager.driver.shell.nova_db.ctx
instances = self.manager.driver.shell.nova_db.instance_get_all(ctx)
for instance in instances:
if instance.uuid not in sliver_dict:
routes = self.manager.driver.get_external_routes()
subnets = self.manager.driver.shell.quantum.list_subnets()['subnets']
for subnet in subnets:
- try:
- self.manager.driver.add_external_route(subnet, routes)
- except:
+ try:
+ self.manager.driver.add_external_route(subnet, routes)
+ except:
logger.log_exc("failed to add external route for subnet %s" % subnet)
-
+
+ def sync_network_slivers(self):
+ 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
+
+ ports = self.manager.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()
+
+ def sync_networks(self):
+ """
+ save all networks where enacted < updated or enacted == None. Remove networks that
+ no don't exist in openstack db if they have an enacted time (enacted != None).
+ """
+ # get all users that need to be synced (enacted < updated or enacted is None)
+ pending_networks = Network.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
+ for network in pending_networks:
+ if network.owner and network.owner.creator:
+ try:
+ # update manager context
+ self.manager.init_caller(network.owner.creator, network.owner.name)
+ self.manager.save_network(network)
+ logger.info("saved network: %s" % (network))
+ except:
+ logger.log_exc("save network failed: %s" % network)
+
+ # get all networks where enacted != null. We can assume these users
+ # have previously been synced and need to be checed for deletion.
+ networks = Network.objects.filter(enacted__isnull=False)
+ network_dict = {}
+ for network in networks:
+ network_dict[network.network_id] = network
+
+ # TODO: delete Network objects if quantum network doesn't exist
+ # (need to write self.manager.driver.shell.quantum_db)
+