def __init__(self, username, password, tenant_id=None, tenant_name=None,
trust_id=None):
"""
Constructor of the class. Tenant_id or tenant_name or tust_id must be
provided.
There are two ways of using this class:
-passing the user, password, tenant_id or tenant_name of the user whose
resources are being deleted
-passing the user and password of the trustee, and the trust_id
generated to impersonate the trustor.
:param username: the user name whose resources are deleted
or the user name of the trustee
:param password: the password of the user whose resources are deleted
or the password of the trustee
:param tenant_id: the tenant id of the user whose resources must be
deleted.
:param tenant_name: the tenant name of the user whose resources must be
deleted
:param trust_id: the trust_id used to impersonate the user whose
resources must be deleted
:return: nothing
"""
self.logger = logging.getLogger(__name__)
self.clients = OpenStackClients()
if tenant_id:
self.clients.set_credential(username, password,
tenant_id=tenant_id)
elif tenant_name:
self.clients.set_credential(username, password,
tenant_name=tenant_name)
elif trust_id:
self.clients.set_credential(username, password, trust_id=trust_id)
self.trust_id = trust_id
else:
raise(
'Either tenant_id or tenant_name or trust_id must be provided')
region = self.clients.region
self.clients.override_endpoint(
'identity', region, 'admin', settings.KEYSTONE_ENDPOINT)
self.user_id = self.clients.get_session().get_user_id()
session = self.clients.get_session()
self.user_name = username
self.nova = NovaResources(self.clients)
self.cinder = CinderResources(self.clients)
self.glance = GlanceResources(self.clients)
try:
self.neutron = NeutronResources(self.clients)
except Exception:
# The region does not support Neutron
# It would be better to check the endpoint
self.neutron = None
try:
self.blueprints = BluePrintResources(self.clients)
except Exception:
# The region does not support PaaS Manager
# It would be better to check the endpoint
self.blueprints = None
try:
self.swift = SwiftResources(self.clients)
except Exception:
# The region does not support Swift
# It would be better to check the endpoint
self.swift = None
# Images in use is a set used to avoid deleting formerly glance images
# in use by other tenants
self.imagesinuse = set()
# Regions the user has access
self.regions_available = set()
self.regions_available.update(self.clients.get_regions('compute'))
class UserResources(object):
"""Class to list, delete user resources. Also provides a method to stop all
the VM of the tenant.
This class works creating a instance with the credential of the user owner
of the resources. It does not use an admin credential!!!"""
def __init__(self, username, password, tenant_id=None, tenant_name=None,
trust_id=None):
"""
Constructor of the class. Tenant_id or tenant_name or tust_id must be
provided.
There are two ways of using this class:
-passing the user, password, tenant_id or tenant_name of the user whose
resources are being deleted
-passing the user and password of the trustee, and the trust_id
generated to impersonate the trustor.
:param username: the user name whose resources are deleted
or the user name of the trustee
:param password: the password of the user whose resources are deleted
or the password of the trustee
:param tenant_id: the tenant id of the user whose resources must be
deleted.
:param tenant_name: the tenant name of the user whose resources must be
deleted
:param trust_id: the trust_id used to impersonate the user whose
resources must be deleted
:return: nothing
"""
self.logger = logging.getLogger(__name__)
self.clients = OpenStackClients()
if tenant_id:
self.clients.set_credential(username, password,
tenant_id=tenant_id)
elif tenant_name:
self.clients.set_credential(username, password,
tenant_name=tenant_name)
elif trust_id:
self.clients.set_credential(username, password, trust_id=trust_id)
self.trust_id = trust_id
else:
raise(
'Either tenant_id or tenant_name or trust_id must be provided')
region = self.clients.region
self.clients.override_endpoint(
'identity', region, 'admin', settings.KEYSTONE_ENDPOINT)
self.user_id = self.clients.get_session().get_user_id()
session = self.clients.get_session()
self.user_name = username
self.nova = NovaResources(self.clients)
self.cinder = CinderResources(self.clients)
self.glance = GlanceResources(self.clients)
try:
self.neutron = NeutronResources(self.clients)
except Exception:
# The region does not support Neutron
# It would be better to check the endpoint
self.neutron = None
try:
self.blueprints = BluePrintResources(self.clients)
except Exception:
# The region does not support PaaS Manager
# It would be better to check the endpoint
self.blueprints = None
try:
self.swift = SwiftResources(self.clients)
except Exception:
# The region does not support Swift
# It would be better to check the endpoint
self.swift = None
# Images in use is a set used to avoid deleting formerly glance images
# in use by other tenants
self.imagesinuse = set()
# Regions the user has access
self.regions_available = set()
self.regions_available.update(self.clients.get_regions('compute'))
def change_region(self, region):
"""
change the region. All the clients need to be updated, but the
session does not.
:param region: the name of the region
:return: nothing.
"""
self.clients.set_region(region)
self.clients.override_endpoint(
'identity', region, 'admin', settings.KEYSTONE_ENDPOINT)
self.nova.on_region_changed()
self.glance.on_region_changed()
try:
if self.swift:
self.swift.on_region_changed()
else:
self.swift = SwiftResources(self.clients)
except Exception:
# The region does not support swift
self.swift = None
self.cinder.on_region_changed()
try:
if self.blueprints:
self.blueprint.on_region_changed()
else:
self.blueprints = BluePrintResources(self.clients)
except Exception:
# The region has not configured paas manager
self.blueprints = None
try:
if self.neutron:
self.neutron.on_region_changed()
else:
self.neutron = NeutronResources(self.clients)
except Exception:
# The region does not support neutron
self.neutron = None
def delete_tenant_resources_pri_1(self):
"""Delete here all the elements that do not depend of others are
deleted first"""
try:
self.nova.delete_user_keypairs()
except Exception, e:
msg = 'Deletion of keypairs failed. Reason: '
self.logger.error(msg + str(e))
# Snapshots must be deleted before the volumes, because a snapshot
# depends of a volume.
try:
self.cinder.delete_tenant_volume_snapshots()
except Exception, e:
msg = 'Deletion of volume snaphosts failed. Reason: '
self.logger.error(msg + str(e))