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 self.wait_for_event(timeout=300)
95 logger.info('Observer woken up')
97 logger.log_exc("Exception in observer run loop")
100 def sync_roles(self):
102 save all role that don't already exist in keystone. Remove keystone roles that
103 don't exist in planetstack
105 # sync all roles that don't already in keystone
106 keystone_roles = self.manager.driver.shell.keystone.roles.findall()
107 keystone_role_names = [kr.name for kr in keystone_roles]
108 pending_roles = Role.objects.all()
109 pending_role_names = [r.role_type for r in pending_roles]
110 for role in pending_roles:
111 if role.role_type not in keystone_role_names:
113 self.manager.save_role(role)
114 logger.info("save role: %s" % (role))
116 logger.log_exc("save role failed: %s" % role)
117 traceback.print_exc()
119 # don't delete roles for now
121 # delete keystone roles that don't exist in planetstack
122 for keystone_role in keystone_roles:
123 if keystone_role.name == 'admin':
125 if keystone_role.name not in pending_role_names:
127 self.manager.driver.delete_role({id: keystone_role.id})
129 traceback.print_exc()
132 def sync_tenants(self):
134 Save all sites and sliceswhere enacted < updated or enacted == None.
135 Remove sites and slices that no don't exist in openstack db if they
136 have an enacted time (enacted != None).
138 # get all sites that need to be synced (enacted < updated or enacted is None)
139 pending_sites = Site.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
140 for site in pending_sites:
142 self.manager.save_site(site)
143 logger.info("saved site %s" % site)
145 logger.log_exc("save site failed: %s" % site)
147 # get all slices that need to be synced (enacted < updated or enacted is None)
148 pending_slices = Slice.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
149 for slice in pending_slices:
151 self.manager.init_caller(slice.creator, slice.creator.site.login_base)
152 self.manager.save_slice(slice)
153 logger.info("saved slice %s" % slice)
155 logger.log_exc("save slice failed: %s" % slice)
157 # get all sites that where enacted != null. We can assume these sites
158 # have previously been synced and need to be checed for deletion.
159 sites = Site.objects.filter(enacted__isnull=False)
162 site_dict[site.login_base] = site
164 # get all slices that where enacted != null. We can assume these slices
165 # have previously been synced and need to be checed for deletion.
166 slices = Slice.objects.filter(enacted__isnull=False)
169 slice_dict[slice.name] = slice
171 # delete keystone tenants that don't have a site record
172 tenants = self.manager.driver.shell.keystone.tenants.findall()
173 system_tenants = ['admin','service']
174 for tenant in tenants:
175 if tenant.name in system_tenants:
177 if tenant.name not in site_dict and tenant.name not in slice_dict:
179 self.manager.driver.delete_tenant(tenant.id)
180 logger.info("deleted tenant: %s" % (tenant))
182 logger.log_exc("delete tenant failed: %s" % tenant)
185 def sync_users(self):
187 save all users where enacted < updated or enacted == None. Remove users that
188 no don't exist in openstack db if they have an enacted time (enacted != None).
190 # get all users that need to be synced (enacted < updated or enacted is None)
191 pending_users = User.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
192 for user in pending_users:
194 self.manager.save_user(user)
195 logger.info("saved user: %s" % (user))
197 logger.log_exc("save user failed: %s" %user)
199 # get all users that where enacted != null. We can assume these users
200 # have previously been synced and need to be checed for deletion.
201 users = User.objects.filter(enacted__isnull=False)
204 user_dict[user.kuser_id] = user
206 # delete keystone users that don't have a user record
207 system_users = ['admin', 'nova', 'quantum', 'glance', 'cinder', 'swift', 'service']
208 users = self.manager.driver.shell.keystone.users.findall()
210 if user.name in system_users:
212 if user.id not in user_dict:
214 #self.manager.driver.delete_user(user.id)
215 logger.info("deleted user: %s" % user)
217 logger.log_exc("delete user failed: %s" % user)
220 def sync_user_tenant_roles(self):
222 Save all site privileges and slice memberships wheree enacted < updated or
223 enacted == None. Remove ones that don't exist in openstack db if they have
224 an enacted time (enacted != None).
226 # sync site privileges
227 pending_site_privileges = SitePrivilege.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
228 for site_priv in pending_site_privileges:
230 self.manager.save_site_privilege(site_priv)
231 logger.info("saved site privilege: %s" % (site_priv))
232 except: logger.log_exc("save site privilege failed: %s " % site_priv)
234 # sync slice memberships
235 pending_slice_memberships = SliceMembership.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
236 for slice_memb in pending_slice_memberships:
238 self.manager.save_slice_membership(slice_memb)
239 logger.info("saved slice membership: %s" % (slice_memb))
240 except: logger.log_exc("save slice membership failed: %s" % slice_memb)
242 # get all site privileges and slice memberships that have been enacted
243 user_tenant_roles = defaultdict(list)
244 for site_priv in SitePrivilege.objects.filter(enacted__isnull=False):
245 user_tenant_roles[(site_priv.user.kuser_id, site_priv.site.tenant_id)].append(site_priv.role.role)
246 for slice_memb in SliceMembership.objects.filter(enacted__isnull=False):
247 user_tenant_roles[(slice_memb.user.kuser_id, slice_memb.slice.tenant_id)].append(slice_memb.role.role)
249 # Some user tenant role aren't stored in planetstack but they must be preserved.
250 # Role that fall in this category are
251 # 1. Never remove a user's role that their home site
252 # 2. Never remove a user's role at a slice they've created.
253 # Keep track of all roles that must be preserved.
254 users = User.objects.all()
257 tenant_ids = [s['tenant_id'] for s in user.slices.values()]
258 tenant_ids.append(user.site.tenant_id)
259 preserved_roles[user.kuser_id] = tenant_ids
262 # begin removing user tenant roles from keystone. This is stored in the
264 for metadata in self.manager.driver.shell.keystone_db.get_metadata():
266 if metadata.user_id == self.manager.driver.admin_user.id:
268 # skip preserved tenant ids
269 if metadata.user_id in preserved_roles and \
270 metadata.tenant_id in preserved_roles[metadata.user_id]:
272 # get roles for user at this tenant
273 user_tenant_role_ids = user_tenant_roles.get((metadata.user_id, metadata.tenant_id), [])
275 if user_tenant_role_ids:
276 # The user has roles at the tenant. Check if roles need to
278 user_keystone_role_ids = metadata.data.get('roles', [])
279 for role_id in user_keystone_role_ids:
280 if role_id not in user_tenant_role_ids:
281 user_keystone_role_ids.pop(user_keystone_role_ids.index(role_id))
283 # The user has no roles at this tenant.
284 metadata.data['roles'] = []
285 #session.add(metadata)
286 logger.info("pruning metadata for %s at %s" % (metadata.user_id, metadata.tenant_id))
288 def sync_slivers(self):
290 save all slivers where enacted < updated or enacted == None. Remove slivers that
291 no don't exist in openstack db if they have an enacted time (enacted != None).
293 # get all users that need to be synced (enacted < updated or enacted is None)
294 pending_slivers = Sliver.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
295 for sliver in pending_slivers:
298 # update manager context
299 self.manager.init_caller(sliver.creator, sliver.slice.name)
300 self.manager.save_sliver(sliver)
301 logger.info("saved sliver: %s" % (sliver))
303 logger.log_exc("save sliver failed: %s" % sliver)
305 # get all slivers where enacted != null. We can assume these users
306 # have previously been synced and need to be checed for deletion.
307 slivers = Sliver.objects.filter(enacted__isnull=False)
309 for sliver in slivers:
310 sliver_dict[sliver.instance_id] = sliver
312 # delete sliver that don't have a sliver record
313 ctx = self.manager.driver.shell.nova_db.ctx
314 instances = self.manager.driver.shell.nova_db.instance_get_all(ctx)
315 for instance in instances:
316 if instance.uuid not in sliver_dict:
318 # lookup tenant and update context
319 tenant = self.manager.driver.shell.keystone.tenants.find(id=instance.project_id)
320 self.manager.init_admin(tenant=tenant.name)
321 self.manager.driver.destroy_instance(instance.uuid)
322 logger.info("destroyed sliver: %s" % (instance))
324 logger.log_exc("destroy sliver failed: %s" % instance)
327 def sync_sliver_ips(self):
328 # fill in null ip addresses
329 slivers = Sliver.objects.filter(ip=None)
330 for sliver in slivers:
332 self.manager.init_admin(tenant=sliver.slice.name)
333 servers = self.manager.driver.shell.nova.servers.findall(id=sliver.instance_id)
337 ips = server.addresses.get(sliver.slice.name, [])
340 sliver.ip = ips[0]['addr']
342 logger.info("saved sliver ip: %s %s" % (sliver, ips[0]))
344 def sync_external_routes(self):
345 routes = self.manager.driver.get_external_routes()
346 subnets = self.manager.driver.shell.quantum.list_subnets()['subnets']
347 for subnet in subnets:
349 self.manager.driver.add_external_route(subnet, routes)
351 logger.log_exc("failed to add external route for subnet %s" % subnet)
353 def sync_networks(self):
355 save all networks where enacted < updated or enacted == None. Remove networks that
356 no don't exist in openstack db if they have an enacted time (enacted != None).
358 # get all users that need to be synced (enacted < updated or enacted is None)
359 pending_networks = Network.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
360 for network in pending_networks:
361 if network.owner and network.owner.creator:
363 # update manager context
364 self.manager.init_caller(network.owner.creator, network.owner.name)
365 self.manager.save_network(network)
366 logger.info("saved network: %s" % (network))
368 logger.log_exc("save network failed: %s" % network)
370 # get all networks where enacted != null. We can assume these users
371 # have previously been synced and need to be checed for deletion.
372 networks = Network.objects.filter(enacted__isnull=False)
374 for network in networks:
375 network_dict[network.network_id] = network
377 # TODO: delete Network objects if quantum network doesn't exist
378 # (need to write self.manager.driver.shell.quantum_db)