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()
36 save all role that don't already exist in keystone. Remove keystone roles that
37 don't exist in planetstack
39 # sync all roles that don't already in keystone
40 keystone_roles = self.manager.driver.shell.keystone.roles.findall()
41 keystone_role_names = [kr.name for kr in keystone_roles]
42 pending_roles = Role.objects.all()
43 pending_role_names = [r.role_type for r in pending_roles]
44 for role in pending_roles:
45 if role.role_type not in keystone_role_names:
47 self.manager.save_role(role)
48 logger.info("save role: %s" % (role))
50 logger.log_exc("save role failed: %s" % role)
53 # don't delete roles for now
55 # delete keystone roles that don't exist in planetstack
56 for keystone_role in keystone_roles:
57 if keystone_role.name == 'admin':
59 if keystone_role.name not in pending_role_names:
61 self.manager.driver.delete_role({id: keystone_role.id})
66 def sync_tenants(self):
68 Save all sites and sliceswhere enacted < updated or enacted == None.
69 Remove sites and slices that no don't exist in openstack db if they
70 have an enacted time (enacted != None).
72 # get all sites that need to be synced (enacted < updated or enacted is None)
73 pending_sites = Site.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
74 for site in pending_sites:
76 self.manager.save_site(site)
77 logger.info("saved site %s" % site)
79 logger.log_exc("save site failed: %s" % site)
81 # get all slices that need to be synced (enacted < updated or enacted is None)
82 pending_slices = Slice.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
83 for slice in pending_slices:
85 self.manager.init_caller(slice.creator, slice.creator.site.login_base)
86 self.manager.save_slice(slice)
87 logger.info("saved slice %s" % slice)
89 logger.log_exc("save slice failed: %s" % slice)
91 # get all sites that where enacted != null. We can assume these sites
92 # have previously been synced and need to be checed for deletion.
93 sites = Site.objects.filter(enacted__isnull=False)
96 site_dict[site.login_base] = site
98 # get all slices that where enacted != null. We can assume these slices
99 # have previously been synced and need to be checed for deletion.
100 slices = Slice.objects.filter(enacted__isnull=False)
103 slice_dict[slice.name] = slice
105 # delete keystone tenants that don't have a site record
106 tenants = self.manager.driver.shell.keystone.tenants.findall()
107 system_tenants = ['admin','service']
108 for tenant in tenants:
109 if tenant.name in system_tenants:
111 if tenant.name not in site_dict and tenant.name not in slice_dict:
113 self.manager.driver.delete_tenant(tenant.id)
114 logger.info("deleted tenant: %s" % (tenant))
116 logger.log_exc("delete tenant failed: %s" % tenant)
119 def sync_users(self):
121 save all users where enacted < updated or enacted == None. Remove users that
122 no don't exist in openstack db if they have an enacted time (enacted != None).
124 # get all users that need to be synced (enacted < updated or enacted is None)
125 pending_users = User.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
126 for user in pending_users:
128 self.manager.save_user(user)
129 logger.info("saved user: %s" % (user))
131 logger.log_exc("save user failed: %s" %user)
133 # get all users that where enacted != null. We can assume these users
134 # have previously been synced and need to be checed for deletion.
135 users = User.objects.filter(enacted__isnull=False)
138 user_dict[user.kuser_id] = user
140 # delete keystone users that don't have a user record
141 system_users = ['admin', 'nova', 'quantum', 'glance', 'cinder', 'swift', 'service']
142 users = self.manager.driver.shell.keystone.users.findall()
144 if user.name in system_users:
146 if user.id not in user_dict:
148 #self.manager.driver.delete_user(user.id)
149 logger.info("deleted user: %s" % user)
151 logger.log_exc("delete user failed: %s" % user)
154 def sync_user_tenant_roles(self):
156 Save all site privileges and slice memberships wheree enacted < updated or
157 enacted == None. Remove ones that don't exist in openstack db if they have
158 an enacted time (enacted != None).
160 # sync site privileges
161 pending_site_privileges = SitePrivilege.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
162 for site_priv in pending_site_privileges:
164 self.manager.save_site_privilege(site_priv)
165 logger.info("saved site privilege: %s" % (site_priv))
166 except: logger.log_exc("save site privilege failed: %s " % site_priv)
168 # sync slice memberships
169 pending_slice_memberships = SliceMembership.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
170 for slice_memb in pending_slice_memberships:
172 self.manager.save_slice_membership(slice_memb)
173 logger.info("saved slice membership: %s" % (slice_memb))
174 except: logger.log_exc("save slice membership failed: %s" % slice_memb)
176 # get all site privileges and slice memberships that have been enacted
177 user_tenant_roles = defaultdict(list)
178 for site_priv in SitePrivilege.objects.filter(enacted__isnull=False):
179 user_tenant_roles[(site_priv.user.kuser_id, site_priv.site.tenant_id)].append(site_priv.role.role)
180 for slice_memb in SliceMembership.objects.filter(enacted__isnull=False):
181 user_tenant_roles[(slice_memb.user.kuser_id, slice_memb.slice.tenant_id)].append(slice_memb.role.role)
183 # Some user tenant role aren't stored in planetstack but they must be preserved.
184 # Role that fall in this category are
185 # 1. Never remove a user's role that their home site
186 # 2. Never remove a user's role at a slice they've created.
187 # Keep track of all roles that must be preserved.
188 users = User.objects.all()
191 tenant_ids = [s['tenant_id'] for s in user.slices.values()]
192 tenant_ids.append(user.site.tenant_id)
193 preserved_roles[user.kuser_id] = tenant_ids
196 # begin removing user tenant roles from keystone. This is stored in the
198 for metadata in self.manager.driver.shell.keystone_db.get_metadata():
200 if metadata.user_id == self.manager.driver.admin_user.id:
202 # skip preserved tenant ids
203 if metadata.user_id in preserved_roles and \
204 metadata.tenant_id in preserved_roles[metadata.user_id]:
206 # get roles for user at this tenant
207 user_tenant_role_ids = user_tenant_roles.get((metadata.user_id, metadata.tenant_id), [])
209 if user_tenant_role_ids:
210 # The user has roles at the tenant. Check if roles need to
212 user_keystone_role_ids = metadata.data.get('roles', [])
213 for role_id in user_keystone_role_ids:
214 if role_id not in user_tenant_role_ids:
215 user_keystone_role_ids.pop(user_keystone_role_ids.index(role_id))
217 # The user has no roles at this tenant.
218 metadata.data['roles'] = []
219 #session.add(metadata)
220 logger.info("pruning metadata for %s at %s" % (metadata.user_id, metadata.tenant_id))
222 def sync_slivers(self):
224 save all slivers where enacted < updated or enacted == None. Remove slivers that
225 no don't exist in openstack db if they have an enacted time (enacted != None).
227 # get all users that need to be synced (enacted < updated or enacted is None)
228 pending_slivers = Sliver.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
229 for sliver in pending_slivers:
232 # update manager context
233 self.manager.init_caller(sliver.creator, sliver.slice.name)
234 self.manager.save_sliver(sliver)
235 logger.info("saved sliver: %s %s" % (sliver))
237 logger.log_exc("save sliver failed: %s" % sliver)
239 # get all slivers where enacted != null. We can assume these users
240 # have previously been synced and need to be checed for deletion.
241 slivers = Sliver.objects.filter(enacted__isnull=False)
243 for sliver in slivers:
244 sliver_dict[sliver.instance_id] = sliver
246 # delete sliver that don't have a sliver record
247 ctx = self.manager.driver.shell.nova_db.ctx
248 instances = self.manager.driver.shell.nova_db.instance_get_all(ctx)
249 for instance in instances:
250 if instance.uuid not in sliver_dict:
252 # lookup tenant and update context
253 tenant = self.manager.driver.shell.keystone.tenants.find(id=instance.project_id)
254 self.manager.init_admin(tenant=tenant.name)
255 self.manager.driver.destroy_instance(instance.uuid)
256 logger.info("destroyed sliver: %s" % (instance))
258 logger.log_exc("destroy sliver failed: %s" % instance)
261 def sync_sliver_ips(self):
262 # fill in null ip addresses
263 slivers = Sliver.objects.filter(ip=None)
264 for sliver in slivers:
266 self.manager.init_admin(tenant=sliver.slice.name)
267 servers = self.manager.driver.shell.nova.servers.findall(id=sliver.instance_id)
271 ips = server.addresses.get(sliver.slice.name, [])
274 sliver.ip = ips[0]['addr']
276 logger.info("saved sliver ip: %s %s" % (sliver, ips[0]))
278 def sync_external_routes(self):
279 routes = self.manager.driver.get_external_routes()
280 subnets = self.manager.driver.shell.quantum.list_subnets()
281 for subnet in subnets:
282 self.manager.driver.add_external_route(subnet, routes)