6 from datetime import datetime
7 from collections import defaultdict
8 from core.models import *
9 from django.db.models import F, Q
10 from openstack.manager import OpenStackManager
11 from util.logger import Logger, logging, logger
12 #from timeout import timeout
15 logger = Logger(logfile='observer.log', level=logging.INFO)
17 class OpenStackObserver:
20 self.manager = OpenStackManager()
21 # The Condition object that gets signalled by Feefie events
22 self.event_cond = threading.Condition()
24 def wait_for_event(self, timeout):
25 self.event_cond.acquire()
26 self.event_cond.wait(timeout)
27 self.event_cond.release()
30 logger.info('Wake up routine called. Event cond %r'%self.event_cond)
31 self.event_cond.acquire()
32 self.event_cond.notify()
33 self.event_cond.release()
36 if not self.manager.enabled or not self.manager.has_openstack:
40 logger.info('Observer run loop')
43 logger.info('Calling sync tenants')
47 logger.log_exc("Exception in sync_tenants")
50 logger.info('Calling sync users')
54 logger.log_exc("Exception in sync_users")
57 logger.info('Calling sync tenant roles')
59 self.sync_user_tenant_roles()
61 logger.log_exc("Exception in sync_users")
64 logger.info('Calling sync slivers')
68 logger.log_exc("Exception in sync slivers")
71 logger.info('Calling sync sliver ips')
73 self.sync_sliver_ips()
75 logger.log_exc("Exception in sync_sliver_ips")
78 logger.info('Calling sync networks')
82 logger.log_exc("Exception in sync_networks")
85 logger.info('Calling sync external routes')
87 self.sync_external_routes()
89 logger.log_exc("Exception in sync_external_routes")
92 logger.info('Waiting for event')
93 tBeforeWait = time.time()
94 self.wait_for_event(timeout=300)
96 # Enforce 5 minutes between wakeups
97 tSleep = 300 - (time.time() - tBeforeWait)
99 logger.info('Sleeping for %d seconds' % tSleep)
102 logger.info('Observer woken up')
104 logger.log_exc("Exception in observer run loop")
105 traceback.print_exc()
107 def sync_roles(self):
109 save all role that don't already exist in keystone. Remove keystone roles that
110 don't exist in planetstack
112 # sync all roles that don't already in keystone
113 keystone_roles = self.manager.driver.shell.keystone.roles.findall()
114 keystone_role_names = [kr.name for kr in keystone_roles]
115 pending_roles = Role.objects.all()
116 pending_role_names = [r.role_type for r in pending_roles]
117 for role in pending_roles:
118 if role.role_type not in keystone_role_names:
120 self.manager.save_role(role)
121 logger.info("save role: %s" % (role))
123 logger.log_exc("save role failed: %s" % role)
124 traceback.print_exc()
126 # don't delete roles for now
128 # delete keystone roles that don't exist in planetstack
129 for keystone_role in keystone_roles:
130 if keystone_role.name == 'admin':
132 if keystone_role.name not in pending_role_names:
134 self.manager.driver.delete_role({id: keystone_role.id})
136 traceback.print_exc()
139 def sync_tenants(self):
141 Save all sites and sliceswhere enacted < updated or enacted == None.
142 Remove sites and slices that no don't exist in openstack db if they
143 have an enacted time (enacted != None).
145 # get all sites that need to be synced (enacted < updated or enacted is None)
146 pending_sites = Site.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
147 for site in pending_sites:
149 self.manager.save_site(site)
150 logger.info("saved site %s" % site)
152 logger.log_exc("save site failed: %s" % site)
154 # get all slices that need to be synced (enacted < updated or enacted is None)
155 pending_slices = Slice.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
156 for slice in pending_slices:
158 self.manager.init_caller(slice.creator, slice.creator.site.login_base)
159 self.manager.save_slice(slice)
160 logger.info("saved slice %s" % slice)
162 logger.log_exc("save slice failed: %s" % slice)
164 # get all sites that where enacted != null. We can assume these sites
165 # have previously been synced and need to be checed for deletion.
166 sites = Site.objects.filter(enacted__isnull=False)
169 site_dict[site.login_base] = site
171 # get all slices that where enacted != null. We can assume these slices
172 # have previously been synced and need to be checed for deletion.
173 slices = Slice.objects.filter(enacted__isnull=False)
176 slice_dict[slice.name] = slice
178 # delete keystone tenants that don't have a site record
179 tenants = self.manager.driver.shell.keystone.tenants.findall()
180 system_tenants = ['admin','service']
181 for tenant in tenants:
182 if tenant.name in system_tenants:
184 if tenant.name not in site_dict and tenant.name not in slice_dict:
186 self.manager.driver.delete_tenant(tenant.id)
187 logger.info("deleted tenant: %s" % (tenant))
189 logger.log_exc("delete tenant failed: %s" % tenant)
192 def sync_users(self):
194 save all users where enacted < updated or enacted == None. Remove users that
195 no don't exist in openstack db if they have an enacted time (enacted != None).
197 # get all users that need to be synced (enacted < updated or enacted is None)
198 pending_users = User.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
199 for user in pending_users:
201 self.manager.save_user(user)
202 logger.info("saved user: %s" % (user))
204 logger.log_exc("save user failed: %s" %user)
206 # get all users that where enacted != null. We can assume these users
207 # have previously been synced and need to be checed for deletion.
208 users = User.objects.filter(enacted__isnull=False)
211 user_dict[user.kuser_id] = user
213 # delete keystone users that don't have a user record
214 system_users = ['admin', 'nova', 'quantum', 'glance', 'cinder', 'swift', 'service']
215 users = self.manager.driver.shell.keystone.users.findall()
217 if user.name in system_users:
219 if user.id not in user_dict:
221 #self.manager.driver.delete_user(user.id)
222 logger.info("deleted user: %s" % user)
224 logger.log_exc("delete user failed: %s" % user)
227 def sync_user_tenant_roles(self):
229 Save all site privileges and slice memberships wheree enacted < updated or
230 enacted == None. Remove ones that don't exist in openstack db if they have
231 an enacted time (enacted != None).
233 # sync site privileges
234 pending_site_privileges = SitePrivilege.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
235 for site_priv in pending_site_privileges:
237 self.manager.save_site_privilege(site_priv)
238 logger.info("saved site privilege: %s" % (site_priv))
239 except: logger.log_exc("save site privilege failed: %s " % site_priv)
241 # sync slice memberships
242 pending_slice_memberships = SliceMembership.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
243 for slice_memb in pending_slice_memberships:
245 self.manager.save_slice_membership(slice_memb)
246 logger.info("saved slice membership: %s" % (slice_memb))
247 except: logger.log_exc("save slice membership failed: %s" % slice_memb)
249 # get all site privileges and slice memberships that have been enacted
250 user_tenant_roles = defaultdict(list)
251 for site_priv in SitePrivilege.objects.filter(enacted__isnull=False):
252 user_tenant_roles[(site_priv.user.kuser_id, site_priv.site.tenant_id)].append(site_priv.role.role)
253 for slice_memb in SliceMembership.objects.filter(enacted__isnull=False):
254 user_tenant_roles[(slice_memb.user.kuser_id, slice_memb.slice.tenant_id)].append(slice_memb.role.role)
256 # Some user tenant role aren't stored in planetstack but they must be preserved.
257 # Role that fall in this category are
258 # 1. Never remove a user's role that their home site
259 # 2. Never remove a user's role at a slice they've created.
260 # Keep track of all roles that must be preserved.
261 users = User.objects.all()
264 tenant_ids = [s['tenant_id'] for s in user.slices.values()]
265 tenant_ids.append(user.site.tenant_id)
266 preserved_roles[user.kuser_id] = tenant_ids
269 # begin removing user tenant roles from keystone. This is stored in the
271 for metadata in self.manager.driver.shell.keystone_db.get_metadata():
273 if metadata.user_id == self.manager.driver.admin_user.id:
275 # skip preserved tenant ids
276 if metadata.user_id in preserved_roles and \
277 metadata.tenant_id in preserved_roles[metadata.user_id]:
279 # get roles for user at this tenant
280 user_tenant_role_ids = user_tenant_roles.get((metadata.user_id, metadata.tenant_id), [])
282 if user_tenant_role_ids:
283 # The user has roles at the tenant. Check if roles need to
285 user_keystone_role_ids = metadata.data.get('roles', [])
286 for role_id in user_keystone_role_ids:
287 if role_id not in user_tenant_role_ids:
288 user_keystone_role_ids.pop(user_keystone_role_ids.index(role_id))
290 # The user has no roles at this tenant.
291 metadata.data['roles'] = []
292 #session.add(metadata)
293 logger.info("pruning metadata for %s at %s" % (metadata.user_id, metadata.tenant_id))
295 def sync_slivers(self):
297 save all slivers where enacted < updated or enacted == None. Remove slivers that
298 no don't exist in openstack db if they have an enacted time (enacted != None).
300 # get all users that need to be synced (enacted < updated or enacted is None)
301 pending_slivers = Sliver.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
302 for sliver in pending_slivers:
305 # update manager context
306 self.manager.init_caller(sliver.creator, sliver.slice.name)
307 self.manager.save_sliver(sliver)
308 logger.info("saved sliver: %s" % (sliver))
310 logger.log_exc("save sliver failed: %s" % sliver)
312 # get all slivers where enacted != null. We can assume these users
313 # have previously been synced and need to be checed for deletion.
314 slivers = Sliver.objects.filter(enacted__isnull=False)
316 for sliver in slivers:
317 sliver_dict[sliver.instance_id] = sliver
319 # delete sliver that don't have a sliver record
320 ctx = self.manager.driver.shell.nova_db.ctx
321 instances = self.manager.driver.shell.nova_db.instance_get_all(ctx)
322 for instance in instances:
323 if instance.uuid not in sliver_dict:
325 # lookup tenant and update context
326 tenant = self.manager.driver.shell.keystone.tenants.find(id=instance.project_id)
327 self.manager.init_admin(tenant=tenant.name)
328 self.manager.driver.destroy_instance(instance.uuid)
329 logger.info("destroyed sliver: %s" % (instance))
331 logger.log_exc("destroy sliver failed: %s" % instance)
334 def sync_sliver_ips(self):
335 # fill in null ip addresses
336 slivers = Sliver.objects.filter(ip=None)
337 for sliver in slivers:
339 self.manager.init_admin(tenant=sliver.slice.name)
340 servers = self.manager.driver.shell.nova.servers.findall(id=sliver.instance_id)
344 ips = server.addresses.get(sliver.slice.name, [])
347 sliver.ip = ips[0]['addr']
349 logger.info("saved sliver ip: %s %s" % (sliver, ips[0]))
351 def sync_external_routes(self):
352 routes = self.manager.driver.get_external_routes()
353 subnets = self.manager.driver.shell.quantum.list_subnets()['subnets']
354 for subnet in subnets:
356 self.manager.driver.add_external_route(subnet, routes)
358 logger.log_exc("failed to add external route for subnet %s" % subnet)
360 def sync_networks(self):
362 save all networks where enacted < updated or enacted == None. Remove networks that
363 no don't exist in openstack db if they have an enacted time (enacted != None).
365 # get all users that need to be synced (enacted < updated or enacted is None)
366 pending_networks = Network.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
367 for network in pending_networks:
368 if network.owner and network.owner.creator:
370 # update manager context
371 self.manager.init_caller(network.owner.creator, network.owner.name)
372 self.manager.save_network(network)
373 logger.info("saved network: %s" % (network))
375 logger.log_exc("save network failed: %s" % network)
377 # get all networks where enacted != null. We can assume these users
378 # have previously been synced and need to be checed for deletion.
379 networks = Network.objects.filter(enacted__isnull=False)
381 for network in networks:
382 network_dict[network.network_id] = network
384 # TODO: delete Network objects if quantum network doesn't exist
385 # (need to write self.manager.driver.shell.quantum_db)