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, logger
+#from timeout import timeout
+
+logger = Logger(logfile='observer.log', level=logging.INFO)
class OpenStackObserver:
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()
- time.sleep(7)
+
+ 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 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(300)
+
+ logger.info('Observer woken up')
except:
- traceback.print_exc()
+ logger.log_exc("Exception in observer run loop")
+ traceback.print_exc()
+
+ def sync_roles(self):
+ """
+ save all role that don't already exist in keystone. Remove keystone roles that
+ don't exist in planetstack
+ """
+ # sync all roles that don't already in keystone
+ keystone_roles = self.manager.driver.shell.keystone.roles.findall()
+ keystone_role_names = [kr.name for kr in keystone_roles]
+ pending_roles = Role.objects.all()
+ pending_role_names = [r.role_type for r in pending_roles]
+ for role in pending_roles:
+ if role.role_type not in keystone_role_names:
+ try:
+ self.manager.save_role(role)
+ logger.info("save role: %s" % (role))
+ except:
+ logger.log_exc("save role failed: %s" % role)
+ traceback.print_exc()
+
+ # don't delete roles for now
+ """
+ # delete keystone roles that don't exist in planetstack
+ for keystone_role in keystone_roles:
+ if keystone_role.name == 'admin':
+ continue
+ if keystone_role.name not in pending_role_names:
+ try:
+ self.manager.driver.delete_role({id: keystone_role.id})
+ except:
+ traceback.print_exc()
+ """
def sync_tenants(self):
"""
# get all sites that need to be synced (enacted < updated or enacted is None)
pending_sites = Site.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
for site in pending_sites:
- self.manager.save_site(site)
- site.enacted = datetime.now()
- site.save()
+ try:
+ self.manager.save_site(site)
+ logger.info("saved site %s" % site)
+ except:
+ logger.log_exc("save site failed: %s" % site)
# get all slices that need to be synced (enacted < updated or enacted is None)
pending_slices = Slice.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
for slice in pending_slices:
- self.manager.save_slice(slice)
- slice.enacted = datetime.now()
- slice.save()
+ try:
+ self.manager.init_caller(slice.creator, slice.creator.site.login_base)
+ self.manager.save_slice(slice)
+ logger.info("saved slice %s" % slice)
+ except:
+ logger.log_exc("save slice failed: %s" % slice)
# get all sites that where enacted != null. We can assume these sites
# have previously been synced and need to be checed for deletion.
# delete keystone tenants that don't have a site record
tenants = self.manager.driver.shell.keystone.tenants.findall()
+ system_tenants = ['admin','service']
for tenant in tenants:
- if tenant.name == 'admin':
+ if tenant.name in system_tenants:
continue
if tenant.name not in site_dict and tenant.name not in slice_dict:
- #print "delete " + tenant.name
- pass
- #self.manager.driver.delete_tenant(tenant.id)
+ try:
+ self.manager.driver.delete_tenant(tenant.id)
+ logger.info("deleted tenant: %s" % (tenant))
+ except:
+ logger.log_exc("delete tenant failed: %s" % tenant)
def sync_users(self):
# get all users that need to be synced (enacted < updated or enacted is None)
pending_users = User.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
for user in pending_users:
- self.manager.save_user(user)
- user.enacted = datetime.now()
- user.save()
+ try:
+ self.manager.save_user(user)
+ logger.info("saved user: %s" % (user))
+ except:
+ logger.log_exc("save user failed: %s" %user)
# get all users that where enacted != null. We can assume these users
# have previously been synced and need to be checed for deletion.
user_dict[user.kuser_id] = user
# delete keystone users that don't have a user record
+ system_users = ['admin', 'nova', 'quantum', 'glance', 'cinder', 'swift', 'service']
users = self.manager.driver.shell.keystone.users.findall()
for user in users:
- if user.name == 'admin':
+ if user.name in system_users:
continue
if user.id not in user_dict:
- pass
- #self.manager.driver.delete_user(user.id)
-
-
+ try:
+ #self.manager.driver.delete_user(user.id)
+ logger.info("deleted user: %s" % user)
+ except:
+ logger.log_exc("delete user failed: %s" % user)
+
+
+ def sync_user_tenant_roles(self):
+ """
+ Save all site privileges and slice memberships wheree enacted < updated or
+ enacted == None. Remove ones that don't exist in openstack db if they have
+ an enacted time (enacted != None).
+ """
+ # sync site privileges
+ pending_site_privileges = SitePrivilege.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
+ for site_priv in pending_site_privileges:
+ try:
+ self.manager.save_site_privilege(site_priv)
+ logger.info("saved site privilege: %s" % (site_priv))
+ except: logger.log_exc("save site privilege failed: %s " % site_priv)
+
+ # sync slice memberships
+ pending_slice_memberships = SliceMembership.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
+ for slice_memb in pending_slice_memberships:
+ try:
+ self.manager.save_slice_membership(slice_memb)
+ logger.info("saved slice membership: %s" % (slice_memb))
+ except: logger.log_exc("save slice membership failed: %s" % slice_memb)
+
+ # get all site privileges and slice memberships that have been enacted
+ user_tenant_roles = defaultdict(list)
+ for site_priv in SitePrivilege.objects.filter(enacted__isnull=False):
+ user_tenant_roles[(site_priv.user.kuser_id, site_priv.site.tenant_id)].append(site_priv.role.role)
+ for slice_memb in SliceMembership.objects.filter(enacted__isnull=False):
+ user_tenant_roles[(slice_memb.user.kuser_id, slice_memb.slice.tenant_id)].append(slice_memb.role.role)
+
+ # Some user tenant role aren't stored in planetstack but they must be preserved.
+ # Role that fall in this category are
+ # 1. Never remove a user's role that their home site
+ # 2. Never remove a user's role at a slice they've created.
+ # Keep track of all roles that must be preserved.
+ users = User.objects.all()
+ preserved_roles = {}
+ for user in users:
+ tenant_ids = [s['tenant_id'] for s in user.slices.values()]
+ tenant_ids.append(user.site.tenant_id)
+ preserved_roles[user.kuser_id] = tenant_ids
+
+
+ # begin removing user tenant roles from keystone. This is stored in the
+ # Metadata table.
+ for metadata in self.manager.driver.shell.keystone_db.get_metadata():
+ # skip admin roles
+ if metadata.user_id == self.manager.driver.admin_user.id:
+ continue
+ # skip preserved tenant ids
+ if metadata.user_id in preserved_roles and \
+ metadata.tenant_id in preserved_roles[metadata.user_id]:
+ continue
+ # get roles for user at this tenant
+ user_tenant_role_ids = user_tenant_roles.get((metadata.user_id, metadata.tenant_id), [])
+
+ if user_tenant_role_ids:
+ # The user has roles at the tenant. Check if roles need to
+ # be updated.
+ user_keystone_role_ids = metadata.data.get('roles', [])
+ for role_id in user_keystone_role_ids:
+ if role_id not in user_tenant_role_ids:
+ user_keystone_role_ids.pop(user_keystone_role_ids.index(role_id))
+ else:
+ # The user has no roles at this tenant.
+ metadata.data['roles'] = []
+ #session.add(metadata)
+ logger.info("pruning metadata for %s at %s" % (metadata.user_id, metadata.tenant_id))
+
def sync_slivers(self):
"""
save all slivers where enacted < updated or enacted == None. Remove slivers that
# get all users that need to be synced (enacted < updated or enacted is None)
pending_slivers = Sliver.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
for sliver in pending_slivers:
- if sliver.creator:
- # update manager context
- self.manager.init_caller(sliver.creator)
- self.manager.save_sliver(sliver)
- sliver.enacted = datetime.now()
- sliver.save()
-
- # get all slivers that where enacted != null. We can assume these users
+ if sliver.creator:
+ try:
+ # update manager context
+ self.manager.init_caller(sliver.creator, sliver.slice.name)
+ self.manager.save_sliver(sliver)
+ logger.info("saved sliver: %s" % (sliver))
+ except:
+ logger.log_exc("save sliver failed: %s" % sliver)
+
+ # get all slivers where enacted != null. We can assume these users
# have previously been synced and need to be checed for deletion.
slivers = Sliver.objects.filter(enacted__isnull=False)
sliver_dict = {}
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.id not in sliver_dict:
- # lookup tenant and update context
- tenant = self.manager.driver.shell.keystone.tenants.findall(id=instance.tenant_id)
- self.manager.init_admin(tenant=tenant.name)
- self.manager.driver.destroy_instance(instance.id)
+ if instance.uuid not in sliver_dict:
+ try:
+ # lookup tenant and update context
+ tenant = self.manager.driver.shell.keystone.tenants.find(id=instance.project_id)
+ self.manager.init_admin(tenant=tenant.name)
+ self.manager.driver.destroy_instance(instance.uuid)
+ logger.info("destroyed sliver: %s" % (instance))
+ except:
+ logger.log_exc("destroy sliver failed: %s" % instance)
+
+
+ def sync_sliver_ips(self):
+ # fill in null ip addresses
+ slivers = Sliver.objects.filter(ip=None)
+ for sliver in slivers:
+ # update connection
+ self.manager.init_admin(tenant=sliver.slice.name)
+ servers = self.manager.driver.shell.nova.servers.findall(id=sliver.instance_id)
+ if not servers:
+ continue
+ server = servers[0]
+ ips = server.addresses.get(sliver.slice.name, [])
+ if not ips:
+ continue
+ sliver.ip = ips[0]['addr']
+ sliver.save()
+ logger.info("saved sliver ip: %s %s" % (sliver, ips[0]))
+
+ def sync_external_routes(self):
+ 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:
+ logger.log_exc("failed to add external route for subnet %s" % subnet)
+
+ 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)
+
git://git.onelab.eu / plstackapi.git / blobdiff