4 from datetime import datetime
5 from collections import defaultdict
6 from core.models import *
7 from django.db.models import F, Q
8 from openstack.manager import OpenStackManager
9 from util.logger import Logger, logging
12 logger = Logger(logfile='observer.log', level=logging.INFO)
14 class OpenStackObserver:
17 self.manager = OpenStackManager()
20 if not self.manager.enabled or not self.manager.has_openstack:
27 self.sync_user_tenant_roles()
29 self.sync_sliver_ips()
30 self.sync_external_routes()
37 save all role that don't already exist in keystone. Remove keystone roles that
38 don't exist in planetstack
40 # sync all roles that don't already in keystone
41 keystone_roles = self.manager.driver.shell.keystone.roles.findall()
42 keystone_role_names = [kr.name for kr in keystone_roles]
43 pending_roles = Role.objects.all()
44 pending_role_names = [r.role_type for r in pending_roles]
45 for role in pending_roles:
46 if role.role_type not in keystone_role_names:
48 self.manager.save_role(role)
49 logger.info("save role: %s" % (role))
51 logger.log_exc("save role failed: %s" % role)
54 # don't delete roles for now
56 # delete keystone roles that don't exist in planetstack
57 for keystone_role in keystone_roles:
58 if keystone_role.name == 'admin':
60 if keystone_role.name not in pending_role_names:
62 self.manager.driver.delete_role({id: keystone_role.id})
67 def sync_tenants(self):
69 Save all sites and sliceswhere enacted < updated or enacted == None.
70 Remove sites and slices that no don't exist in openstack db if they
71 have an enacted time (enacted != None).
73 # get all sites that need to be synced (enacted < updated or enacted is None)
74 pending_sites = Site.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
75 for site in pending_sites:
77 self.manager.save_site(site)
78 logger.info("saved site %s" % site)
80 logger.log_exc("save site failed: %s" % site)
82 # get all slices that need to be synced (enacted < updated or enacted is None)
83 pending_slices = Slice.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
84 for slice in pending_slices:
86 self.manager.init_caller(slice.creator, slice.creator.site.login_base)
87 self.manager.save_slice(slice)
88 logger.info("saved slice %s" % slice)
90 logger.log_exc("save slice failed: %s" % slice)
92 # get all sites that where enacted != null. We can assume these sites
93 # have previously been synced and need to be checed for deletion.
94 sites = Site.objects.filter(enacted__isnull=False)
97 site_dict[site.login_base] = site
99 # get all slices that where enacted != null. We can assume these slices
100 # have previously been synced and need to be checed for deletion.
101 slices = Slice.objects.filter(enacted__isnull=False)
104 slice_dict[slice.name] = slice
106 # delete keystone tenants that don't have a site record
107 tenants = self.manager.driver.shell.keystone.tenants.findall()
108 system_tenants = ['admin','service']
109 for tenant in tenants:
110 if tenant.name in system_tenants:
112 if tenant.name not in site_dict and tenant.name not in slice_dict:
114 self.manager.driver.delete_tenant(tenant.id)
115 logger.info("deleted tenant: %s" % (tenant))
117 logger.log_exc("delete tenant failed: %s" % tenant)
120 def sync_users(self):
122 save all users where enacted < updated or enacted == None. Remove users that
123 no don't exist in openstack db if they have an enacted time (enacted != None).
125 # get all users that need to be synced (enacted < updated or enacted is None)
126 pending_users = User.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
127 for user in pending_users:
129 self.manager.save_user(user)
130 logger.info("saved user: %s" % (user))
132 logger.log_exc("save user failed: %s" %user)
134 # get all users that where enacted != null. We can assume these users
135 # have previously been synced and need to be checed for deletion.
136 users = User.objects.filter(enacted__isnull=False)
139 user_dict[user.kuser_id] = user
141 # delete keystone users that don't have a user record
142 system_users = ['admin', 'nova', 'quantum', 'glance', 'cinder', 'swift', 'service']
143 users = self.manager.driver.shell.keystone.users.findall()
145 if user.name in system_users:
147 if user.id not in user_dict:
149 #self.manager.driver.delete_user(user.id)
150 logger.info("deleted user: %s" % user)
152 logger.log_exc("delete user failed: %s" % user)
155 def sync_user_tenant_roles(self):
157 Save all site privileges and slice memberships wheree enacted < updated or
158 enacted == None. Remove ones that don't exist in openstack db if they have
159 an enacted time (enacted != None).
161 # sync site privileges
162 pending_site_privileges = SitePrivilege.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
163 for site_priv in pending_site_privileges:
165 self.manager.save_site_privilege(site_priv)
166 logger.info("saved site privilege: %s" % (site_priv))
167 except: logger.log_exc("save site privilege failed: %s " % site_priv)
169 # sync slice memberships
170 pending_slice_memberships = SliceMembership.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
171 for slice_memb in pending_slice_memberships:
173 self.manager.save_slice_membership(slice_memb)
174 logger.info("saved slice membership: %s" % (slice_memb))
175 except: logger.log_exc("save slice membership failed: %s" % slice_memb)
177 # get all site privileges and slice memberships that have been enacted
178 user_tenant_roles = defaultdict(list)
179 for site_priv in SitePrivilege.objects.filter(enacted__isnull=False):
180 user_tenant_roles[(site_priv.user.kuser_id, site_priv.site.tenant_id)].append(site_priv.role.role)
181 for slice_memb in SliceMembership.objects.filter(enacted__isnull=False):
182 user_tenant_roles[(slice_memb.user.kuser_id, slice_memb.slice.tenant_id)].append(slice_memb.role.role)
184 # Some user tenant role aren't stored in planetstack but they must be preserved.
185 # Role that fall in this category are
186 # 1. Never remove a user's role that their home site
187 # 2. Never remove a user's role at a slice they've created.
188 # Keep track of all roles that must be preserved.
189 users = User.objects.all()
192 tenant_ids = [s['tenant_id'] for s in user.slices.values()]
193 tenant_ids.append(user.site.tenant_id)
194 preserved_roles[user.kuser_id] = tenant_ids
197 # begin removing user tenant roles from keystone. This is stored in the
199 for metadata in self.manager.driver.shell.keystone_db.get_metadata():
201 if metadata.user_id == self.manager.driver.admin_user.id:
203 # skip preserved tenant ids
204 if metadata.user_id in preserved_roles and \
205 metadata.tenant_id in preserved_roles[metadata.user_id]:
207 # get roles for user at this tenant
208 user_tenant_role_ids = user_tenant_roles.get((metadata.user_id, metadata.tenant_id), [])
210 if user_tenant_role_ids:
211 # The user has roles at the tenant. Check if roles need to
213 user_keystone_role_ids = metadata.data.get('roles', [])
214 for role_id in user_keystone_role_ids:
215 if role_id not in user_tenant_role_ids:
216 user_keystone_role_ids.pop(user_keystone_role_ids.index(role_id))
218 # The user has no roles at this tenant.
219 metadata.data['roles'] = []
220 #session.add(metadata)
221 logger.info("pruning metadata for %s at %s" % (metadata.user_id, metadata.tenant_id))
223 def sync_slivers(self):
225 save all slivers where enacted < updated or enacted == None. Remove slivers that
226 no don't exist in openstack db if they have an enacted time (enacted != None).
228 # get all users that need to be synced (enacted < updated or enacted is None)
229 pending_slivers = Sliver.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
230 for sliver in pending_slivers:
233 # update manager context
234 self.manager.init_caller(sliver.creator, sliver.slice.name)
235 self.manager.save_sliver(sliver)
236 logger.info("saved sliver: %s" % (sliver))
238 logger.log_exc("save sliver failed: %s" % sliver)
240 # get all slivers where enacted != null. We can assume these users
241 # have previously been synced and need to be checed for deletion.
242 slivers = Sliver.objects.filter(enacted__isnull=False)
244 for sliver in slivers:
245 sliver_dict[sliver.instance_id] = sliver
247 # delete sliver that don't have a sliver record
248 ctx = self.manager.driver.shell.nova_db.ctx
249 instances = self.manager.driver.shell.nova_db.instance_get_all(ctx)
250 for instance in instances:
251 if instance.uuid not in sliver_dict:
253 # lookup tenant and update context
254 tenant = self.manager.driver.shell.keystone.tenants.find(id=instance.project_id)
255 self.manager.init_admin(tenant=tenant.name)
256 self.manager.driver.destroy_instance(instance.uuid)
257 logger.info("destroyed sliver: %s" % (instance))
259 logger.log_exc("destroy sliver failed: %s" % instance)
262 def sync_sliver_ips(self):
263 # fill in null ip addresses
264 slivers = Sliver.objects.filter(ip=None)
265 for sliver in slivers:
267 self.manager.init_admin(tenant=sliver.slice.name)
268 servers = self.manager.driver.shell.nova.servers.findall(id=sliver.instance_id)
272 ips = server.addresses.get(sliver.slice.name, [])
275 sliver.ip = ips[0]['addr']
277 logger.info("saved sliver ip: %s %s" % (sliver, ips[0]))
279 def sync_external_routes(self):
280 routes = self.manager.driver.get_external_routes()
281 subnets = self.manager.driver.shell.quantum.list_subnets()['subnets']
282 for subnet in subnets:
284 self.manager.driver.add_external_route(subnet, routes)
286 logger.log_exc("failed to add external route for subnet %s" % subnet)