def call(self):
pass
-
+
+ def run(self):
+ try:
+ logger.info('gc start')
+ #self.sync_roles()
+ self.gc_tenants()
+ self.gc_users()
+ self.gc_user_tenant_roles()
+ self.gc_slivers()
+ self.gc_sliver_ips()
+ self.gc_external_routes()
+ except:
+ traceback.print_exc()
+
+ def gc_roles(self):
+ """
+ all role that don't already exist in keystone. Remove keystone roles that
+ don't exist in planetstack
+ """
+ # sync all roles that don't already in keystone
+ keystone_roles = self.driver.shell.keystone.roles.findall()
+ keystone_role_names = [kr.name for kr in keystone_roles]
+ pending_roles = Role.objects.all()
+ pending_role_names = [r.role_type for r in pending_roles]
+ # don't delete roles for now
+ """
+ # delete keystone roles that don't exist in planetstack
+ for keystone_role in keystone_roles:
+ if keystone_role.name == 'admin':
+ continue
+ if keystone_role.name not in pending_role_names:
+ try:
+ self.manager.driver.delete_role({id: keystone_role.id})
+ except:
+ traceback.print_exc()
+ """
+
+ def gc_tenants(self):
+ """
+ Remove sites and slices that no don't exist in openstack db if they
+ have an enacted time (enacted != None).
+ """
+ # get all sites that where enacted != null. We can assume these sites
+ # have previously been synced and need to be checed for deletion.
+ sites = Site.objects.filter(enacted__isnull=False)
+ site_dict = {}
+ for site in sites:
+ site_dict[site.login_base] = site
+
+ # get all slices that where enacted != null. We can assume these slices
+ # have previously been synced and need to be checed for deletion.
+ slices = Slice.objects.filter(enacted__isnull=False)
+ slice_dict = {}
+ for slice in slices:
+ slice_dict[slice.name] = slice
+
+ # delete keystone tenants that don't have a site record
+ tenants = self.driver.shell.keystone.tenants.findall()
+ system_tenants = ['admin','service']
+ for tenant in tenants:
+ if tenant.name in system_tenants:
+ continue
+ if tenant.name not in site_dict and tenant.name not in slice_dict:
+ try:
+ self.driver.delete_tenant(tenant.id)
+ logger.info("deleted tenant: %s" % (tenant))
+ except:
+ logger.log_exc("delete tenant failed: %s" % tenant)
+
+
+ def gc_users(self):
+ """
+ Remove users that no don't exist in openstack db if they have an
+ enacted time (enacted != None).
+ """
+ # get all users that where enacted != null. We can assume these users
+ # have previously been synced and need to be checed for deletion.
+ users = User.objects.filter(enacted__isnull=False)
+ user_dict = {}
+ for user in users:
+ user_dict[user.kuser_id] = user
+
+ # delete keystone users that don't have a user record
+ system_users = ['admin', 'nova', 'quantum', 'glance', 'cinder', 'swift', 'service']
+ users = self.driver.shell.keystone.users.findall()
+ for user in users:
+ if user.name in system_users:
+ continue
+ if user.id not in user_dict:
+ try:
+ #self.manager.driver.delete_user(user.id)
+ logger.info("deleted user: %s" % user)
+ except:
+ logger.log_exc("delete user failed: %s" % user)
+
+
+ def gc_user_tenant_roles(self):
+ """
+ Remove roles that don't exist in openstack db if they have
+ an enacted time (enacted != None).
+ """
+ # get all site privileges and slice memberships that have been enacted
+ user_tenant_roles = defaultdict(list)
+ for site_priv in SitePrivilege.objects.filter(enacted__isnull=False):
+ user_tenant_roles[(site_priv.user.kuser_id, site_priv.site.tenant_id)].append(site_priv.role.role)
+ for slice_memb in SliceMembership.objects.filter(enacted__isnull=False):
+ user_tenant_roles[(slice_memb.user.kuser_id, slice_memb.slice.tenant_id)].append(slice_memb.role.role)
+
+ # Some user tenant role aren't stored in planetstack but they must be preserved.
+ # Role that fall in this category are
+ # 1. Never remove a user's role that their home site
+ # 2. Never remove a user's role at a slice they've created.
+ # Keep track of all roles that must be preserved.
+ users = User.objects.all()
+ preserved_roles = {}
+ for user in users:
+ tenant_ids = [s['tenant_id'] for s in user.slices.values()]
+ tenant_ids.append(user.site.tenant_id)
+ preserved_roles[user.kuser_id] = tenant_ids
+
+
+ # begin removing user tenant roles from keystone. This is stored in the
+ # Metadata table.
+ for metadata in self.driver.shell.keystone_db.get_metadata():
+ # skip admin roles
+ if metadata.user_id == self.manager.driver.admin_user.id:
+ continue
+ # skip preserved tenant ids
+ if metadata.user_id in preserved_roles and \
+ metadata.tenant_id in preserved_roles[metadata.user_id]:
+ continue
+ # get roles for user at this tenant
+ user_tenant_role_ids = user_tenant_roles.get((metadata.user_id, metadata.tenant_id), [])
+
+ if user_tenant_role_ids:
+ # The user has roles at the tenant. Check if roles need to
+ # be updated.
+ user_keystone_role_ids = metadata.data.get('roles', [])
+ for role_id in user_keystone_role_ids:
+ if role_id not in user_tenant_role_ids:
+ user_keystone_role_ids.pop(user_keystone_role_ids.index(role_id))
+ else:
+ # The user has no roles at this tenant.
+ metadata.data['roles'] = []
+ #session.add(metadata)
+ logger.info("pruning metadata for %s at %s" % (metadata.user_id, metadata.tenant_id))
+
+ def gc_slivers(self):
+ """
+ Remove slivers that no don't exist in openstack db if they have
+ an enacted time (enacted != None).
+ """
+ # get all slivers where enacted != null. We can assume these users
+ # have previously been synced and need to be checed for deletion.
+ slivers = Sliver.objects.filter(enacted__isnull=False)
+ sliver_dict = {}
+ for sliver in slivers:
+ sliver_dict[sliver.instance_id] = sliver
+
+ # delete sliver that don't have a sliver record
+ ctx = self.driver.shell.nova_db.ctx
+ instances = self.driver.shell.nova_db.instance_get_all(ctx)
+ for instance in instances:
+ if instance.uuid not in sliver_dict:
+ try:
+ # lookup tenant and update context
+ tenant = self.driver.shell.keystone.tenants.find(id=instance.project_id)
+ driver = self.driver.client_driver(tenant=tenant.name)
+ driver.destroy_instance(instance.uuid)
+ logger.info("destroyed sliver: %s" % (instance))
+ except:
+ logger.log_exc("destroy sliver failed: %s" % instance)
+
+
+ def gc_sliver_ips(self):
+ """
+ Update ips that have changed.
+ """
+ # fill in null ip addresses
+ slivers = Sliver.objects.filter(ip=None)
+ for sliver in slivers:
+ # update connection
+ self.manager.init_admin(tenant=sliver.slice.name)
+ servers = self.manager.driver.shell.nova.servers.findall(id=sliver.instance_id)
+ if not servers:
+ continue
+ server = servers[0]
+ ips = server.addresses.get(sliver.slice.name, [])
+ if ips and sliver.ip != ips[0]['addr']:
+ sliver.ip = ips[0]['addr']
+ sliver.save()
+ logger.info("updated sliver ip: %s %s" % (sliver, ips[0]))
+
+ def gc_external_routes(self):
+ pass