3 from django.db.models import F, Q
4 from planetstack.config import Config
5 from observer.openstacksyncstep import OpenStackSyncStep
7 class GarbageCollector(OpenStackSyncStep):
8 requested_interval = 86400
13 logger.info('gc start')
17 self.gc_user_tenant_roles()
20 self.gc_external_routes()
26 all role that don't already exist in keystone. Remove keystone roles that
27 don't exist in planetstack
29 # sync all roles that don't already in keystone
30 keystone_roles = self.driver.shell.keystone.roles.findall()
31 keystone_role_names = [kr.name for kr in keystone_roles]
32 pending_roles = Role.objects.all()
33 pending_role_names = [r.role_type for r in pending_roles]
34 # don't delete roles for now
36 # delete keystone roles that don't exist in planetstack
37 for keystone_role in keystone_roles:
38 if keystone_role.name == 'admin':
40 if keystone_role.name not in pending_role_names:
42 self.manager.driver.delete_role({id: keystone_role.id})
49 Remove sites and slices that no don't exist in openstack db if they
50 have an enacted time (enacted != None).
52 # get all sites that where enacted != null. We can assume these sites
53 # have previously been synced and need to be checed for deletion.
54 sites = Site.objects.filter(enacted__isnull=False)
57 site_dict[site.login_base] = site
59 # get all slices that where enacted != null. We can assume these slices
60 # have previously been synced and need to be checed for deletion.
61 slices = Slice.objects.filter(enacted__isnull=False)
64 slice_dict[slice.name] = slice
66 # delete keystone tenants that don't have a site record
67 tenants = self.driver.shell.keystone.tenants.findall()
68 system_tenants = ['admin','service']
69 for tenant in tenants:
70 if tenant.name in system_tenants:
72 if tenant.name not in site_dict and tenant.name not in slice_dict:
74 self.driver.delete_tenant(tenant.id)
75 logger.info("deleted tenant: %s" % (tenant))
77 logger.log_exc("delete tenant failed: %s" % tenant)
82 Remove users that no don't exist in openstack db if they have an
83 enacted time (enacted != None).
85 # get all users that where enacted != null. We can assume these users
86 # have previously been synced and need to be checed for deletion.
87 users = User.objects.filter(enacted__isnull=False)
90 user_dict[user.kuser_id] = user
92 # delete keystone users that don't have a user record
93 system_users = ['admin', 'nova', 'quantum', 'glance', 'cinder', 'swift', 'service']
94 users = self.driver.shell.keystone.users.findall()
96 if user.name in system_users:
98 if user.id not in user_dict:
100 #self.manager.driver.delete_user(user.id)
101 logger.info("deleted user: %s" % user)
103 logger.log_exc("delete user failed: %s" % user)
106 def gc_user_tenant_roles(self):
108 Remove roles that don't exist in openstack db if they have
109 an enacted time (enacted != None).
111 # get all site privileges and slice memberships that have been enacted
112 user_tenant_roles = defaultdict(list)
113 for site_priv in SitePrivilege.objects.filter(enacted__isnull=False):
114 user_tenant_roles[(site_priv.user.kuser_id, site_priv.site.tenant_id)].append(site_priv.role.role)
115 for slice_memb in SliceMembership.objects.filter(enacted__isnull=False):
116 user_tenant_roles[(slice_memb.user.kuser_id, slice_memb.slice.tenant_id)].append(slice_memb.role.role)
118 # Some user tenant role aren't stored in planetstack but they must be preserved.
119 # Role that fall in this category are
120 # 1. Never remove a user's role that their home site
121 # 2. Never remove a user's role at a slice they've created.
122 # Keep track of all roles that must be preserved.
123 users = User.objects.all()
126 tenant_ids = [s['tenant_id'] for s in user.slices.values()]
127 tenant_ids.append(user.site.tenant_id)
128 preserved_roles[user.kuser_id] = tenant_ids
131 # begin removing user tenant roles from keystone. This is stored in the
133 for metadata in self.driver.shell.keystone_db.get_metadata():
135 if metadata.user_id == self.manager.driver.admin_user.id:
137 # skip preserved tenant ids
138 if metadata.user_id in preserved_roles and \
139 metadata.tenant_id in preserved_roles[metadata.user_id]:
141 # get roles for user at this tenant
142 user_tenant_role_ids = user_tenant_roles.get((metadata.user_id, metadata.tenant_id), [])
144 if user_tenant_role_ids:
145 # The user has roles at the tenant. Check if roles need to
147 user_keystone_role_ids = metadata.data.get('roles', [])
148 for role_id in user_keystone_role_ids:
149 if role_id not in user_tenant_role_ids:
150 user_keystone_role_ids.pop(user_keystone_role_ids.index(role_id))
152 # The user has no roles at this tenant.
153 metadata.data['roles'] = []
154 #session.add(metadata)
155 logger.info("pruning metadata for %s at %s" % (metadata.user_id, metadata.tenant_id))
157 def gc_slivers(self):
159 Remove slivers that no don't exist in openstack db if they have
160 an enacted time (enacted != None).
162 # get all slivers where enacted != null. We can assume these users
163 # have previously been synced and need to be checed for deletion.
164 slivers = Sliver.objects.filter(enacted__isnull=False)
166 for sliver in slivers:
167 sliver_dict[sliver.instance_id] = sliver
169 # delete sliver that don't have a sliver record
170 ctx = self.driver.shell.nova_db.ctx
171 instances = self.driver.shell.nova_db.instance_get_all(ctx)
172 for instance in instances:
173 if instance.uuid not in sliver_dict:
175 # lookup tenant and update context
176 tenant = self.driver.shell.keystone.tenants.find(id=instance.project_id)
177 driver = self.driver.client_driver(tenant=tenant.name)
178 driver.destroy_instance(instance.uuid)
179 logger.info("destroyed sliver: %s" % (instance))
181 logger.log_exc("destroy sliver failed: %s" % instance)
184 def gc_sliver_ips(self):
186 Update ips that have changed.
188 # fill in null ip addresses
189 slivers = Sliver.objects.filter(ip=None)
190 for sliver in slivers:
192 self.manager.init_admin(tenant=sliver.slice.name)
193 servers = self.manager.driver.shell.nova.servers.findall(id=sliver.instance_id)
197 ips = server.addresses.get(sliver.slice.name, [])
198 if ips and sliver.ip != ips[0]['addr']:
199 sliver.ip = ips[0]['addr']
201 logger.info("updated sliver ip: %s %s" % (sliver, ips[0]))
203 def gc_external_routes(self):