3 from planetstack.config import Config
5 class GarbageCollector(SyncStep):
6 requested_interval = 86400
14 logger.info('gc start')
18 self.gc_user_tenant_roles()
21 self.gc_external_routes()
27 all role that don't already exist in keystone. Remove keystone roles that
28 don't exist in planetstack
30 # sync all roles that don't already in keystone
31 keystone_roles = self.driver.shell.keystone.roles.findall()
32 keystone_role_names = [kr.name for kr in keystone_roles]
33 pending_roles = Role.objects.all()
34 pending_role_names = [r.role_type for r in pending_roles]
35 # don't delete roles for now
37 # delete keystone roles that don't exist in planetstack
38 for keystone_role in keystone_roles:
39 if keystone_role.name == 'admin':
41 if keystone_role.name not in pending_role_names:
43 self.manager.driver.delete_role({id: keystone_role.id})
50 Remove sites and slices that no don't exist in openstack db if they
51 have an enacted time (enacted != None).
53 # get all sites that where enacted != null. We can assume these sites
54 # have previously been synced and need to be checed for deletion.
55 sites = Site.objects.filter(enacted__isnull=False)
58 site_dict[site.login_base] = site
60 # get all slices that where enacted != null. We can assume these slices
61 # have previously been synced and need to be checed for deletion.
62 slices = Slice.objects.filter(enacted__isnull=False)
65 slice_dict[slice.name] = slice
67 # delete keystone tenants that don't have a site record
68 tenants = self.driver.shell.keystone.tenants.findall()
69 system_tenants = ['admin','service']
70 for tenant in tenants:
71 if tenant.name in system_tenants:
73 if tenant.name not in site_dict and tenant.name not in slice_dict:
75 self.driver.delete_tenant(tenant.id)
76 logger.info("deleted tenant: %s" % (tenant))
78 logger.log_exc("delete tenant failed: %s" % tenant)
83 Remove users that no don't exist in openstack db if they have an
84 enacted time (enacted != None).
86 # get all users that where enacted != null. We can assume these users
87 # have previously been synced and need to be checed for deletion.
88 users = User.objects.filter(enacted__isnull=False)
91 user_dict[user.kuser_id] = user
93 # delete keystone users that don't have a user record
94 system_users = ['admin', 'nova', 'quantum', 'glance', 'cinder', 'swift', 'service']
95 users = self.driver.shell.keystone.users.findall()
97 if user.name in system_users:
99 if user.id not in user_dict:
101 #self.manager.driver.delete_user(user.id)
102 logger.info("deleted user: %s" % user)
104 logger.log_exc("delete user failed: %s" % user)
107 def gc_user_tenant_roles(self):
109 Remove roles that don't exist in openstack db if they have
110 an enacted time (enacted != None).
112 # get all site privileges and slice memberships that have been enacted
113 user_tenant_roles = defaultdict(list)
114 for site_priv in SitePrivilege.objects.filter(enacted__isnull=False):
115 user_tenant_roles[(site_priv.user.kuser_id, site_priv.site.tenant_id)].append(site_priv.role.role)
116 for slice_memb in SliceMembership.objects.filter(enacted__isnull=False):
117 user_tenant_roles[(slice_memb.user.kuser_id, slice_memb.slice.tenant_id)].append(slice_memb.role.role)
119 # Some user tenant role aren't stored in planetstack but they must be preserved.
120 # Role that fall in this category are
121 # 1. Never remove a user's role that their home site
122 # 2. Never remove a user's role at a slice they've created.
123 # Keep track of all roles that must be preserved.
124 users = User.objects.all()
127 tenant_ids = [s['tenant_id'] for s in user.slices.values()]
128 tenant_ids.append(user.site.tenant_id)
129 preserved_roles[user.kuser_id] = tenant_ids
132 # begin removing user tenant roles from keystone. This is stored in the
134 for metadata in self.driver.shell.keystone_db.get_metadata():
136 if metadata.user_id == self.manager.driver.admin_user.id:
138 # skip preserved tenant ids
139 if metadata.user_id in preserved_roles and \
140 metadata.tenant_id in preserved_roles[metadata.user_id]:
142 # get roles for user at this tenant
143 user_tenant_role_ids = user_tenant_roles.get((metadata.user_id, metadata.tenant_id), [])
145 if user_tenant_role_ids:
146 # The user has roles at the tenant. Check if roles need to
148 user_keystone_role_ids = metadata.data.get('roles', [])
149 for role_id in user_keystone_role_ids:
150 if role_id not in user_tenant_role_ids:
151 user_keystone_role_ids.pop(user_keystone_role_ids.index(role_id))
153 # The user has no roles at this tenant.
154 metadata.data['roles'] = []
155 #session.add(metadata)
156 logger.info("pruning metadata for %s at %s" % (metadata.user_id, metadata.tenant_id))
158 def gc_slivers(self):
160 Remove slivers that no don't exist in openstack db if they have
161 an enacted time (enacted != None).
163 # get all slivers where enacted != null. We can assume these users
164 # have previously been synced and need to be checed for deletion.
165 slivers = Sliver.objects.filter(enacted__isnull=False)
167 for sliver in slivers:
168 sliver_dict[sliver.instance_id] = sliver
170 # delete sliver that don't have a sliver record
171 ctx = self.driver.shell.nova_db.ctx
172 instances = self.driver.shell.nova_db.instance_get_all(ctx)
173 for instance in instances:
174 if instance.uuid not in sliver_dict:
176 # lookup tenant and update context
177 tenant = self.driver.shell.keystone.tenants.find(id=instance.project_id)
178 driver = self.driver.client_driver(tenant=tenant.name)
179 driver.destroy_instance(instance.uuid)
180 logger.info("destroyed sliver: %s" % (instance))
182 logger.log_exc("destroy sliver failed: %s" % instance)
185 def gc_sliver_ips(self):
187 Update ips that have changed.
189 # fill in null ip addresses
190 slivers = Sliver.objects.filter(ip=None)
191 for sliver in slivers:
193 self.manager.init_admin(tenant=sliver.slice.name)
194 servers = self.manager.driver.shell.nova.servers.findall(id=sliver.instance_id)
198 ips = server.addresses.get(sliver.slice.name, [])
199 if ips and sliver.ip != ips[0]['addr']:
200 sliver.ip = ips[0]['addr']
202 logger.info("updated sliver ip: %s %s" % (sliver, ips[0]))
204 def gc_external_routes(self):