| import os |
| import base64 |
| import traceback |
| from collections import defaultdict |
| from django.db.models import F, Q |
| from planetstack.config import Config |
| from util.logger import Logger, logging |
| from observer.openstacksyncstep import OpenStackSyncStep |
| from deployment_auth import deployment_auth |
| from core.models import * |
| |
| logger = Logger(logfile='/var/log/observer.log', level=logging.INFO) |
| |
| class GarbageCollector(OpenStackSyncStep): |
| requested_interval = 86400 |
| provides=[] |
| |
| def call(self, **args): |
| try: |
| self.gc_networks() |
| #self.gc_user_tenant_roles() |
| #self.gc_tenants() |
| #self.gc_users() |
| self.gc_slivers() |
| #self.gc_sliver_ips() |
| pass |
| except: |
| traceback.print_exc() |
| |
| def gc_networks(self): |
| """ |
| Remove all neutron networks that do not exist in the planetstack db. |
| """ |
| # some networks cannot be deleted |
| system_networks = ['nat-net','private-admin'] |
| for network_template in NetworkTemplate.objects.all(): |
| if network_template.sharedNetworkName and \ |
| network_template.sharedNetworkName not in system_networks: |
| system_networks.append(network_template.sharedNetworkName) |
| |
| networks = Network.objects.filter(enacted__isnull=False) |
| networks_dict = {} |
| for network in networks: |
| networks_dict[network.name] = network |
| |
| # some deployments are at the same url. Keep track of the urls we've visited |
| # to make sure we aren't making redundant calls |
| completed_urls = [] |
| for deployment in deployment_auth: |
| # skip deployments that we've already processed |
| if deployment_auth[deployment]['url'] in completed_urls: |
| continue |
| try: |
| driver = self.driver.admin_driver(deployment=deployment) |
| neutron_networks = driver.shell.quantum.list_networks()['networks'] |
| for neutron_network in neutron_networks: |
| # skip system networks |
| if neutron_network['name'] in system_networks: |
| continue |
| if neutron_network['name'] not in networks_dict: |
| try: |
| logger.info("GarbageCollector: deleting network %s" % neutron_network['name']) |
| for subnet_id in neutron_network['subnets']: |
| driver.delete_subnet(subnet_id) |
| driver.delete_network(neutron_network['id']) |
| except: |
| logger.log_exc("GarbageCollector: delete network %s failed" % neutron_network['name']) |
| except: |
| logger.log_exc("GarbageCollector: Error at deployment %s" % deployment) |
| |
| completed_urls.append(deployment_auth[deployment]['url']) |
| |
| def gc_tenants(self): |
| """ |
| Remove sites and slices that no don't exist in openstack db if they |
| have an enacted time (enacted != None). |
| """ |
| # some tenants cannot be deleted |
| system_tenants = ['admin','service', 'invisible_to_admin'] |
| # 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 |
| # some deployments are at the same url. Keep track of the urls we've visited |
| # to make sure we aren't making redundant calls |
| completed_urls = [] |
| for deployment in deployment_auth: |
| # skip deployments that we've already processed |
| if deployment_auth[deployment]['url'] in completed_urls: |
| continue |
| |
| driver = self.driver.admin_driver(deployment=deployment) |
| tenants = driver.shell.keystone.tenants.findall() |
| 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: |
| logger.info("GarbageCollector: deleting tenant: %s" % (tenant)) |
| driver.delete_tenant(tenant.id) |
| except: |
| logger.log_exc("GarbageCollector: delete tenant failed: %s" % tenant) |
| completed_urls.append(deployment_auth[deployment]['url']) |
| |
| def gc_users(self): |
| """ |
| Remove users that do not exist in openstack db if they have an |
| enacted time (enacted != None). |
| """ |
| # some users cannot be deleted |
| system_users = ['admin', 'nova', 'quantum', 'neutron' 'glance', \ |
| 'cinder', 'swift', 'service', 'demo'] |
| |
| # 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 |
| # some deployments are at the same url. Keep track of the urls we've visited |
| # to make sure we aren't making redundant calls |
| completed_urls = [] |
| for deployment in deployment_auth: |
| # skip deployments that we've already processed |
| if deployment_auth[deployment]['url'] in completed_urls: |
| continue |
| |
| driver = self.driver.admin_driver(deployment=deployment) |
| users = driver.shell.keystone.users.findall() |
| for user in users: |
| if user.name in system_users: |
| continue |
| if user.id not in user_dict: |
| try: |
| logger.info("GarbageCollector: deleting user: %s" % user) |
| self.driver.delete_user(user.id) |
| except: |
| logger.log_exc("GarbageCollector: delete user failed: %s" % user) |
| completed_urls.append(deployment_auth[deployment]['url']) |
| |
| 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 SlicePrivilege.objects.filter(enacted__isnull=False): |
| user_tenant_roles[(slice_memb.user.kuser_id, slice_memb.slice.tenant_id)].append(slice_memb.role.role) |
| |
| # some deployments are at the same url. Keep track of the urls we've visited |
| # to make sure we aren't making redundant calls |
| completed_urls = [] |
| # 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() |
| for deployment in deployment_auth: |
| # skip deployments that we've already processed |
| if deployment_auth[deployment]['url'] in completed_urls: |
| continue |
| |
| driver = self.driver.admin_driver(deployment=deployment) |
| tenants = driver.shell.keystone.tenants.list() |
| for user in users: |
| # skip admin roles |
| if user.kuser_id == self.driver.admin_user.id: |
| continue |
| |
| ignore_tenant_ids = [] |
| k_user = driver.shell.keystone.users.find(id=user.kuser_id) |
| ignore_tenant_ids = [s['tenant_id'] for s in user.slices.values()] |
| if user.site: |
| ignore_tenant_ids.append(user.site.tenant_id) |
| |
| # get user roles in keystone |
| for tenant in tenants: |
| # skip preserved tenant ids |
| if tenant.tenant_id in ignore_tenant_ids: |
| continue |
| # compare user tenant roles |
| user_tenant_role_ids = user_tenant_roles.get((user.kuser_id, tenant.id), []) |
| |
| if user_tenant_role_ids: |
| # The user has roles at the tenant. Check if roles need to |
| # be updated. |
| k_user_roles = driver.shell.keystone.roles.roles_for_user(k_user, tenant) |
| for k_user_role in k_user_roles: |
| if k_user_role.role_id not in user_tenant_role_ids: |
| logger.info("GarbageCollector: removing user role %s for %s at %s" % \ |
| (k_user_role, k_user.username, tenant.name)) |
| driver.shell.keyston.remove_user_role(k_user, k_user_role, tenant) |
| else: |
| # remove all roles the user has at the tenant. |
| for k_user_role in k_user_roles: |
| logger.info("GarbageCollector: removing user role %s for %s at %s" % \ |
| (k_user_role, k_user.username, tenant.name)) |
| driver.shell.keyston.remove_user_role(k_user, k_user_role, tenant) |
| completed_urls.append(deployment_auth[deployment]['url']) |
| |
| 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 |
| |
| |
| # some deployments are at the same url. Keep track of the urls we've visited |
| # to make sure we aren't making redundant calls |
| completed_urls = [] |
| for deployment in deployment_auth: |
| # skip deployments that we've already processed |
| if deployment_auth[deployment]['url'] in completed_urls: |
| continue |
| |
| try: |
| driver = self.driver.admin_driver(deployment=deployment) |
| for tenant in driver.shell.keystone.tenants.list(): |
| if tenant.name in ['admin', 'services']: |
| continue |
| # delete sliver that don't have a sliver record |
| tenant_driver = self.driver.client_driver(tenant=tenant.name, deployment=deployment) |
| for instance in tenant_driver.shell.nova.servers.list(): |
| if instance.id not in sliver_dict: |
| try: |
| logger.info("GarbageCollector: destroying sliver: %s %s" % (instance, instance.id)) |
| tenant_driver.destroy_instance(instance.id) |
| except: |
| logger.log_exc("GarbageCollector: destroy sliver failed: %s" % instance) |
| except: |
| logger.log_exc("GarbageCollector: Error at deployment %s" % deployment) |
| completed_urls.append(deployment_auth[deployment]['url']) |
| |
| |
| 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 |
| |
| driver = self.driver.client_driver(tenant=sliver.slice.name, deployment=sliver.node.deployment) |
| servers = 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_nodes(self): |
| # collect local nodes |
| nodes = Node.objects.all() |
| nodes_dict = {} |
| for node in nodes: |
| nodes_dict[node.name] = node |
| |
| # collect nova nodes: |
| compute_nodes_dict = {} |
| for deployment in deployment_auth: |
| driver = self.driver.admin_driver(deployment=deployment) |
| compute_nodes = driver.nova.hypervisors.list() |
| for compute_node in compute_nodes: |
| compute_nodes_dict[compute_node.hypervisor_hostname] = compute_node |
| |
| # remove old nodes |
| old_node_names = set(nodes_dict.keys()).difference(compute_nodes_dict.keys()) |
| Node.objects.filter(name__in=old_node_names).delete() |
| |
| def gc_images(self): |
| # collect local images |
| images = Image.objects.all() |
| images_dict = {} |
| for image in images: |
| images_dict[image.name] = image |
| |
| # collect glance images |
| glance_images_dict = {} |
| for deployment in deployment_auth: |
| driver = self.driver.admin_driver(deployment=deployment) |
| glance_images = driver.shell.glance.get_images() |
| for glance_image in glance_images: |
| glance_images_dict[glance_image['name']] = glance_image |
| |
| # remove old images |
| old_image_names = set(images_dict.keys()).difference(glance_images_dict.keys()) |
| Image.objects.filter(name__in=old_image_names).delete() |