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# Copyright 2013 Hewlett-Packard Development Company, L.P.
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import abc
import six
class AttributeDict(dict):
"""
Provide attribute access (dict.key) to dictionary values.
"""
def __getattr__(self, name):
"""Allow attribute access for all keys in the dict."""
if name in self:
return self[name]
return super(AttributeDict, self).__getattribute__(name)
@six.add_metaclass(abc.ABCMeta)
class DeletableResource(AttributeDict):
"""
Support deletion of neutron resources (networks, subnets) via a
delete() method, as is supported by keystone and nova resources.
"""
def __init__(self, *args, **kwargs):
self.client = kwargs.pop('client', None)
super(DeletableResource, self).__init__(*args, **kwargs)
def __str__(self):
return '<%s id="%s" name="%s">' % (self.__class__.__name__,
self.id, self.name)
@abc.abstractmethod
def delete(self):
return
@abc.abstractmethod
def refresh(self):
return
def __hash__(self):
return hash(self.id)
def wait_for_status(self, status):
if not hasattr(self, 'status'):
return
def helper_get():
self.refresh()
return self
return self.client.wait_for_resource_status(helper_get, status)
class DeletableNetwork(DeletableResource):
def delete(self):
self.client.delete_network(self.id)
class DeletableSubnet(DeletableResource):
def __init__(self, *args, **kwargs):
super(DeletableSubnet, self).__init__(*args, **kwargs)
self._router_ids = set()
def update(self, *args, **kwargs):
_, result = self.client.update_subnet(subnet=self.id, *args, **kwargs)
super(DeletableSubnet, self).update(**result['subnet'])
def add_to_router(self, router_id):
self._router_ids.add(router_id)
self.client.add_router_interface_with_subnet_id(router_id,
subnet_id=self.id)
def delete(self):
for router_id in self._router_ids.copy():
self.client.remove_router_interface_with_subnet_id(
router_id,
subnet_id=self.id)
self._router_ids.remove(router_id)
self.client.delete_subnet(self.id)
class DeletableRouter(DeletableResource):
def set_gateway(self, network_id):
return self.update(external_gateway_info=dict(network_id=network_id))
def unset_gateway(self):
return self.update(external_gateway_info=dict())
def update(self, *args, **kwargs):
_, result = self.client.update_router(self.id,
*args,
**kwargs)
return super(DeletableRouter, self).update(**result['router'])
def delete(self):
self.unset_gateway()
self.client.delete_router(self.id)
class DeletableFloatingIp(DeletableResource):
def refresh(self, *args, **kwargs):
_, result = self.client.show_floatingip(self.id,
*args,
**kwargs)
super(DeletableFloatingIp, self).update(**result['floatingip'])
def update(self, *args, **kwargs):
_, result = self.client.update_floatingip(self.id,
*args,
**kwargs)
super(DeletableFloatingIp, self).update(**result['floatingip'])
def __repr__(self):
return '<%s addr="%s">' % (self.__class__.__name__,
self.floating_ip_address)
def __str__(self):
return '<"FloatingIP" addr="%s" id="%s">' % (self.floating_ip_address,
self.id)
def delete(self):
self.client.delete_floatingip(self.id)
class DeletablePort(DeletableResource):
def delete(self):
self.client.delete_port(self.id)
class DeletableSecurityGroup(DeletableResource):
def delete(self):
self.client.delete_security_group(self.id)
class DeletableSecurityGroupRule(DeletableResource):
def __repr__(self):
return '<%s id="%s">' % (self.__class__.__name__, self.id)
def delete(self):
self.client.delete_security_group_rule(self.id)
class DeletablePool(DeletableResource):
def delete(self):
self.client.delete_pool(self.id)
class DeletableMember(DeletableResource):
def delete(self):
self.client.delete_member(self.id)
class DeletableVip(DeletableResource):
def delete(self):
self.client.delete_vip(self.id)
def refresh(self):
_, result = self.client.show_vip(self.id)
super(DeletableVip, self).update(**result['vip'])
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