4 from collections import defaultdict
5 from django.db.models import F, Q
6 from planetstack.config import Config
7 from util.logger import Logger, logging
8 from observer.openstacksyncstep import OpenStackSyncStep
9 from core.models import *
11 logger = Logger(logfile='/var/log/observer.log', level=logging.INFO)
13 class GarbageCollector(OpenStackSyncStep):
14 requested_interval = 86400
17 def call(self, **args):
20 #self.gc_user_tenant_roles()
29 def gc_networks(self):
31 Remove all neutron networks that do not exist in the planetstack db.
33 # some networks cannot be deleted
34 system_networks = ['nat-net','private-admin']
35 for network_template in NetworkTemplate.objects.all():
36 if network_template.sharedNetworkName and \
37 network_template.sharedNetworkName not in system_networks:
38 system_networks.append(network_template.sharedNetworkName)
40 networks = Network.objects.filter(enacted__isnull=False)
42 for network in networks:
43 networks_dict[network.name] = network
45 # some deployments are at the same url. Keep track of the urls we've visited
46 # to make sure we aren't making redundant calls
48 for deployment in Deployment.objects.all():
49 # skip deployments that we've already processed
50 if deployment.auth_url in completed_urls:
53 driver = self.driver.admin_driver(deployment=deployment)
54 neutron_networks = driver.shell.quantum.list_networks()['networks']
55 for neutron_network in neutron_networks:
56 # skip system networks
57 if neutron_network['name'] in system_networks:
59 if neutron_network['name'] not in networks_dict:
61 logger.info("GarbageCollector: deleting network %s" % neutron_network['name'])
62 for subnet_id in neutron_network['subnets']:
63 driver.delete_subnet(subnet_id)
64 driver.delete_network(neutron_network['id'])
66 logger.log_exc("GarbageCollector: delete network %s failed" % neutron_network['name'])
68 logger.log_exc("GarbageCollector: Error at deployment %s" % deployment)
70 completed_urls.append(deployment.auth_url)
74 Remove sites and slices that no don't exist in openstack db if they
75 have an enacted time (enacted != None).
77 # some tenants cannot be deleted
78 system_tenants = ['admin','service', 'invisible_to_admin']
79 # get all sites that where enacted != null. We can assume these sites
80 # have previously been synced and need to be checed for deletion.
81 sites = Site.objects.filter(enacted__isnull=False)
84 site_dict[site.login_base] = site
86 # get all slices that where enacted != null. We can assume these slices
87 # have previously been synced and need to be checed for deletion.
88 slices = Slice.objects.filter(enacted__isnull=False)
91 slice_dict[slice.name] = slice
93 # delete keystone tenants that don't have a site record
94 # some deployments are at the same url. Keep track of the urls we've visited
95 # to make sure we aren't making redundant calls
97 for deployment in Deployment.objects.all():
98 # skip deployments that we've already processed
99 if deployment.auth_url in completed_urls:
102 driver = self.driver.admin_driver(deployment=deployment)
103 tenants = driver.shell.keystone.tenants.findall()
104 for tenant in tenants:
105 if tenant.name in system_tenants:
107 if tenant.name not in site_dict and tenant.name not in slice_dict:
109 logger.info("GarbageCollector: deleting tenant: %s" % (tenant))
110 driver.delete_tenant(tenant.id)
112 logger.log_exc("GarbageCollector: delete tenant failed: %s" % tenant)
113 completed_urls.append(deployment.auth_url)
117 Remove users that do not exist in openstack db if they have an
118 enacted time (enacted != None).
120 # some users cannot be deleted
121 system_users = ['admin', 'nova', 'quantum', 'neutron' 'glance', \
122 'cinder', 'swift', 'service', 'demo']
124 # get all users that where enacted != null. We can assume these users
125 # have previously been synced and need to be checed for deletion.
126 users = User.objects.filter(enacted__isnull=False)
129 user_dict[user.kuser_id] = user
131 # delete keystone users that don't have a user record
132 # some deployments are at the same url. Keep track of the urls we've visited
133 # to make sure we aren't making redundant calls
135 for deployment in Deployment.objects.all():
136 # skip deployments that we've already processed
137 if deployment.auth_url in completed_urls:
140 driver = self.driver.admin_driver(deployment=deployment)
141 users = driver.shell.keystone.users.findall()
143 if user.name in system_users:
145 if user.id not in user_dict:
147 logger.info("GarbageCollector: deleting user: %s" % user)
148 self.driver.delete_user(user.id)
150 logger.log_exc("GarbageCollector: delete user failed: %s" % user)
151 completed_urls.append(deployment.auth_url)
153 def gc_user_tenant_roles(self):
155 Remove roles that don't exist in openstack db if they have
156 an enacted time (enacted != None).
158 # get all site privileges and slice memberships that have been enacted
159 user_tenant_roles = defaultdict(list)
160 for site_priv in SitePrivilege.objects.filter(enacted__isnull=False):
161 user_tenant_roles[(site_priv.user.kuser_id, site_priv.site.tenant_id)].append(site_priv.role.role)
162 for slice_memb in SlicePrivilege.objects.filter(enacted__isnull=False):
163 user_tenant_roles[(slice_memb.user.kuser_id, slice_memb.slice.tenant_id)].append(slice_memb.role.role)
165 # some deployments are at the same url. Keep track of the urls we've visited
166 # to make sure we aren't making redundant calls
168 # Some user tenant role aren't stored in planetstack but they must be preserved.
169 # Role that fall in this category are
170 # 1. Never remove a user's role that their home site
171 # 2. Never remove a user's role at a slice they've created.
172 # Keep track of all roles that must be preserved.
173 users = User.objects.all()
174 for deployment in Deployment.objects.all():
175 # skip deployments that we've already processed
176 if deployment.auth_url in completed_urls:
179 driver = self.driver.admin_driver(deployment=deployment)
180 tenants = driver.shell.keystone.tenants.list()
183 if user.kuser_id == self.driver.admin_user.id:
186 ignore_tenant_ids = []
187 k_user = driver.shell.keystone.users.find(id=user.kuser_id)
188 ignore_tenant_ids = [s['tenant_id'] for s in user.slices.values()]
190 ignore_tenant_ids.append(user.site.tenant_id)
192 # get user roles in keystone
193 for tenant in tenants:
194 # skip preserved tenant ids
195 if tenant.tenant_id in ignore_tenant_ids:
197 # compare user tenant roles
198 user_tenant_role_ids = user_tenant_roles.get((user.kuser_id, tenant.id), [])
200 if user_tenant_role_ids:
201 # The user has roles at the tenant. Check if roles need to
203 k_user_roles = driver.shell.keystone.roles.roles_for_user(k_user, tenant)
204 for k_user_role in k_user_roles:
205 if k_user_role.role_id not in user_tenant_role_ids:
206 logger.info("GarbageCollector: removing user role %s for %s at %s" % \
207 (k_user_role, k_user.username, tenant.name))
208 driver.shell.keyston.remove_user_role(k_user, k_user_role, tenant)
210 # remove all roles the user has at the tenant.
211 for k_user_role in k_user_roles:
212 logger.info("GarbageCollector: removing user role %s for %s at %s" % \
213 (k_user_role, k_user.username, tenant.name))
214 driver.shell.keyston.remove_user_role(k_user, k_user_role, tenant)
215 completed_urls.append(deployment.auth_url)
217 def gc_slivers(self):
219 Remove slivers that no don't exist in openstack db if they have
220 an enacted time (enacted != None).
222 # get all slivers where enacted != null. We can assume these users
223 # have previously been synced and need to be checed for deletion.
224 slivers = Sliver.objects.filter(enacted__isnull=False)
226 for sliver in slivers:
227 sliver_dict[sliver.instance_id] = sliver
230 # some deployments are at the same url. Keep track of the urls we've visited
231 # to make sure we aren't making redundant calls
233 for deployment in Deployment.objects.all():
234 # skip deployments that we've already processed
235 if deployment.auth_url in completed_urls:
239 driver = self.driver.admin_driver(deployment=deployment)
240 for tenant in driver.shell.keystone.tenants.list():
241 if tenant.name in ['admin', 'services']:
243 # delete sliver that don't have a sliver record
244 tenant_driver = self.driver.client_driver(tenant=tenant.name, deployment=deployment)
245 for instance in tenant_driver.shell.nova.servers.list():
246 if instance.id not in sliver_dict:
248 logger.info("GarbageCollector: destroying sliver: %s %s" % (instance, instance.id))
249 tenant_driver.destroy_instance(instance.id)
251 logger.log_exc("GarbageCollector: destroy sliver failed: %s" % instance)
253 logger.log_exc("GarbageCollector: Error at deployment %s" % deployment)
254 completed_urls.append(deployment.auth_url)
257 def gc_sliver_ips(self):
259 Update ips that have changed.
261 # fill in null ip addresses
262 slivers = Sliver.objects.filter(ip=None)
263 for sliver in slivers:
266 driver = self.driver.client_driver(tenant=sliver.slice.name, deployment=sliver.node.deployment)
267 servers = driver.shell.nova.servers.findall(id=sliver.instance_id)
271 ips = server.addresses.get(sliver.slice.name, [])
272 if ips and sliver.ip != ips[0]['addr']:
273 sliver.ip = ips[0]['addr']
275 logger.info("updated sliver ip: %s %s" % (sliver, ips[0]))
278 # collect local nodes
279 nodes = Node.objects.all()
282 nodes_dict[node.name] = node
284 # collect nova nodes:
285 compute_nodes_dict = {}
286 for deployment in Deployment.objets.all():
287 driver = self.driver.admin_driver(deployment=deployment)
288 compute_nodes = driver.nova.hypervisors.list()
289 for compute_node in compute_nodes:
290 compute_nodes_dict[compute_node.hypervisor_hostname] = compute_node
293 old_node_names = set(nodes_dict.keys()).difference(compute_nodes_dict.keys())
294 Node.objects.filter(name__in=old_node_names).delete()
297 # collect local images
298 images = Image.objects.all()
301 images_dict[image.name] = image
303 # collect glance images
304 glance_images_dict = {}
305 for deployment in Deployment.objects.all():
306 driver = self.driver.admin_driver(deployment=deployment)
307 glance_images = driver.shell.glance.get_images()
308 for glance_image in glance_images:
309 glance_images_dict[glance_image['name']] = glance_image
312 old_image_names = set(images_dict.keys()).difference(glance_images_dict.keys())
313 Image.objects.filter(name__in=old_image_names).delete()