+++ /dev/null
-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 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.objects.all():
- # skip deployments that we've already processed
- if deployment.auth_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_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.objects.all():
- # skip deployments that we've already processed
- if deployment.auth_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_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.objects.all():
- # skip deployments that we've already processed
- if deployment.auth_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_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.objects.all():
- # skip deployments that we've already processed
- if deployment.auth_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_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.objects.all():
- # skip deployments that we've already processed
- if deployment.auth_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_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.objets.all():
- 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.objects.all():
- 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()
git://git.onelab.eu / plstackapi.git / commitdiff