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
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 self.event_cond.acquire()
31 self.event_cond.notify()
32 self.event_cond.release()
35 if not self.manager.enabled or not self.manager.has_openstack:
42 self.sync_user_tenant_roles()
44 self.sync_sliver_ips()
45 self.sync_external_routes()
47 self.wait_for_event(timeout=30)
54 save all role that don't already exist in keystone. Remove keystone roles that
55 don't exist in planetstack
57 # sync all roles that don't already in keystone
58 keystone_roles = self.manager.driver.shell.keystone.roles.findall()
59 keystone_role_names = [kr.name for kr in keystone_roles]
60 pending_roles = Role.objects.all()
61 pending_role_names = [r.role_type for r in pending_roles]
62 for role in pending_roles:
63 if role.role_type not in keystone_role_names:
65 self.manager.save_role(role)
66 logger.info("save role: %s" % (role))
68 logger.log_exc("save role failed: %s" % role)
71 # don't delete roles for now
73 # delete keystone roles that don't exist in planetstack
74 for keystone_role in keystone_roles:
75 if keystone_role.name == 'admin':
77 if keystone_role.name not in pending_role_names:
79 self.manager.driver.delete_role({id: keystone_role.id})
84 def sync_tenants(self):
86 Save all sites and sliceswhere enacted < updated or enacted == None.
87 Remove sites and slices that no don't exist in openstack db if they
88 have an enacted time (enacted != None).
90 # get all sites that need to be synced (enacted < updated or enacted is None)
91 pending_sites = Site.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
92 for site in pending_sites:
94 self.manager.save_site(site)
95 logger.info("saved site %s" % site)
97 logger.log_exc("save site failed: %s" % site)
99 # get all slices that need to be synced (enacted < updated or enacted is None)
100 pending_slices = Slice.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
101 for slice in pending_slices:
103 self.manager.init_caller(slice.creator, slice.creator.site.login_base)
104 self.manager.save_slice(slice)
105 logger.info("saved slice %s" % slice)
107 logger.log_exc("save slice failed: %s" % slice)
109 # get all sites that where enacted != null. We can assume these sites
110 # have previously been synced and need to be checed for deletion.
111 sites = Site.objects.filter(enacted__isnull=False)
114 site_dict[site.login_base] = site
116 # get all slices that where enacted != null. We can assume these slices
117 # have previously been synced and need to be checed for deletion.
118 slices = Slice.objects.filter(enacted__isnull=False)
121 slice_dict[slice.name] = slice
123 # delete keystone tenants that don't have a site record
124 tenants = self.manager.driver.shell.keystone.tenants.findall()
125 system_tenants = ['admin','service']
126 for tenant in tenants:
127 if tenant.name in system_tenants:
129 if tenant.name not in site_dict and tenant.name not in slice_dict:
131 self.manager.driver.delete_tenant(tenant.id)
132 logger.info("deleted tenant: %s" % (tenant))
134 logger.log_exc("delete tenant failed: %s" % tenant)
137 def sync_users(self):
139 save all users where enacted < updated or enacted == None. Remove users that
140 no don't exist in openstack db if they have an enacted time (enacted != None).
142 # get all users that need to be synced (enacted < updated or enacted is None)
143 pending_users = User.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
144 for user in pending_users:
146 self.manager.save_user(user)
147 logger.info("saved user: %s" % (user))
149 logger.log_exc("save user failed: %s" %user)
151 # get all users that where enacted != null. We can assume these users
152 # have previously been synced and need to be checed for deletion.
153 users = User.objects.filter(enacted__isnull=False)
156 user_dict[user.kuser_id] = user
158 # delete keystone users that don't have a user record
159 system_users = ['admin', 'nova', 'quantum', 'glance', 'cinder', 'swift', 'service']
160 users = self.manager.driver.shell.keystone.users.findall()
162 if user.name in system_users:
164 if user.id not in user_dict:
166 #self.manager.driver.delete_user(user.id)
167 logger.info("deleted user: %s" % user)
169 logger.log_exc("delete user failed: %s" % user)
172 def sync_user_tenant_roles(self):
174 Save all site privileges and slice memberships wheree enacted < updated or
175 enacted == None. Remove ones that don't exist in openstack db if they have
176 an enacted time (enacted != None).
178 # sync site privileges
179 pending_site_privileges = SitePrivilege.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
180 for site_priv in pending_site_privileges:
182 self.manager.save_site_privilege(site_priv)
183 logger.info("saved site privilege: %s" % (site_priv))
184 except: logger.log_exc("save site privilege failed: %s " % site_priv)
186 # sync slice memberships
187 pending_slice_memberships = SliceMembership.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
188 for slice_memb in pending_slice_memberships:
190 self.manager.save_slice_membership(slice_memb)
191 logger.info("saved slice membership: %s" % (slice_memb))
192 except: logger.log_exc("save slice membership failed: %s" % slice_memb)
194 # get all site privileges and slice memberships that have been enacted
195 user_tenant_roles = defaultdict(list)
196 for site_priv in SitePrivilege.objects.filter(enacted__isnull=False):
197 user_tenant_roles[(site_priv.user.kuser_id, site_priv.site.tenant_id)].append(site_priv.role.role)
198 for slice_memb in SliceMembership.objects.filter(enacted__isnull=False):
199 user_tenant_roles[(slice_memb.user.kuser_id, slice_memb.slice.tenant_id)].append(slice_memb.role.role)
201 # Some user tenant role aren't stored in planetstack but they must be preserved.
202 # Role that fall in this category are
203 # 1. Never remove a user's role that their home site
204 # 2. Never remove a user's role at a slice they've created.
205 # Keep track of all roles that must be preserved.
206 users = User.objects.all()
209 tenant_ids = [s['tenant_id'] for s in user.slices.values()]
210 tenant_ids.append(user.site.tenant_id)
211 preserved_roles[user.kuser_id] = tenant_ids
214 # begin removing user tenant roles from keystone. This is stored in the
216 for metadata in self.manager.driver.shell.keystone_db.get_metadata():
218 if metadata.user_id == self.manager.driver.admin_user.id:
220 # skip preserved tenant ids
221 if metadata.user_id in preserved_roles and \
222 metadata.tenant_id in preserved_roles[metadata.user_id]:
224 # get roles for user at this tenant
225 user_tenant_role_ids = user_tenant_roles.get((metadata.user_id, metadata.tenant_id), [])
227 if user_tenant_role_ids:
228 # The user has roles at the tenant. Check if roles need to
230 user_keystone_role_ids = metadata.data.get('roles', [])
231 for role_id in user_keystone_role_ids:
232 if role_id not in user_tenant_role_ids:
233 user_keystone_role_ids.pop(user_keystone_role_ids.index(role_id))
235 # The user has no roles at this tenant.
236 metadata.data['roles'] = []
237 #session.add(metadata)
238 logger.info("pruning metadata for %s at %s" % (metadata.user_id, metadata.tenant_id))
240 def sync_slivers(self):
242 save all slivers where enacted < updated or enacted == None. Remove slivers that
243 no don't exist in openstack db if they have an enacted time (enacted != None).
245 # get all users that need to be synced (enacted < updated or enacted is None)
246 pending_slivers = Sliver.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
247 for sliver in pending_slivers:
250 # update manager context
251 self.manager.init_caller(sliver.creator, sliver.slice.name)
252 self.manager.save_sliver(sliver)
253 logger.info("saved sliver: %s" % (sliver))
255 logger.log_exc("save sliver failed: %s" % sliver)
257 # get all slivers where enacted != null. We can assume these users
258 # have previously been synced and need to be checed for deletion.
259 slivers = Sliver.objects.filter(enacted__isnull=False)
261 for sliver in slivers:
262 sliver_dict[sliver.instance_id] = sliver
264 # delete sliver that don't have a sliver record
265 ctx = self.manager.driver.shell.nova_db.ctx
266 instances = self.manager.driver.shell.nova_db.instance_get_all(ctx)
267 for instance in instances:
268 if instance.uuid not in sliver_dict:
270 # lookup tenant and update context
271 tenant = self.manager.driver.shell.keystone.tenants.find(id=instance.project_id)
272 self.manager.init_admin(tenant=tenant.name)
273 self.manager.driver.destroy_instance(instance.uuid)
274 logger.info("destroyed sliver: %s" % (instance))
276 logger.log_exc("destroy sliver failed: %s" % instance)
279 def sync_sliver_ips(self):
280 # fill in null ip addresses
281 slivers = Sliver.objects.filter(ip=None)
282 for sliver in slivers:
284 self.manager.init_admin(tenant=sliver.slice.name)
285 servers = self.manager.driver.shell.nova.servers.findall(id=sliver.instance_id)
289 ips = server.addresses.get(sliver.slice.name, [])
292 sliver.ip = ips[0]['addr']
294 logger.info("saved sliver ip: %s %s" % (sliver, ips[0]))
296 def sync_external_routes(self):
297 routes = self.manager.driver.get_external_routes()
298 subnets = self.manager.driver.shell.quantum.list_subnets()['subnets']
299 for subnet in subnets:
301 self.manager.driver.add_external_route(subnet, routes)
303 logger.log_exc("failed to add external route for subnet %s" % subnet)