605 lines
22 KiB
Python
605 lines
22 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2012 United States Government as represented by the
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# Administrator of the National Aeronautics and Space Administration.
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# All Rights Reserved.
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#
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# Copyright 2012 Cisco Systems, Inc.
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# Copyright 2012 NEC Corporation
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from __future__ import absolute_import
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import logging
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from django.conf import settings # noqa
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from django.utils.datastructures import SortedDict # noqa
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from django.utils.translation import ugettext_lazy as _ # noqa
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from openstack_dashboard.api import base
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from openstack_dashboard.api import network_base
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from openstack_dashboard.api import nova
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from neutronclient.v2_0 import client as neutron_client
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LOG = logging.getLogger(__name__)
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IP_VERSION_DICT = {4: 'IPv4', 6: 'IPv6'}
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class NeutronAPIDictWrapper(base.APIDictWrapper):
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def set_id_as_name_if_empty(self, length=8):
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try:
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if not self._apidict['name']:
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id = self._apidict['id']
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if length:
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id = id[:length]
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self._apidict['name'] = '(%s)' % id
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except KeyError:
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pass
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def items(self):
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return self._apidict.items()
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class Network(NeutronAPIDictWrapper):
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"""Wrapper for neutron Networks"""
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def __init__(self, apiresource):
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apiresource['admin_state'] = \
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'UP' if apiresource['admin_state_up'] else 'DOWN'
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# Django cannot handle a key name with a colon, so remap another key
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for key in apiresource.keys():
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if key.find(':'):
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apiresource['__'.join(key.split(':'))] = apiresource[key]
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super(Network, self).__init__(apiresource)
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class Subnet(NeutronAPIDictWrapper):
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"""Wrapper for neutron subnets"""
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def __init__(self, apiresource):
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apiresource['ipver_str'] = get_ipver_str(apiresource['ip_version'])
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super(Subnet, self).__init__(apiresource)
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class Port(NeutronAPIDictWrapper):
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"""Wrapper for neutron ports"""
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def __init__(self, apiresource):
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apiresource['admin_state'] = \
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'UP' if apiresource['admin_state_up'] else 'DOWN'
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super(Port, self).__init__(apiresource)
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class Router(NeutronAPIDictWrapper):
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"""Wrapper for neutron routers"""
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def __init__(self, apiresource):
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#apiresource['admin_state'] = \
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# 'UP' if apiresource['admin_state_up'] else 'DOWN'
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super(Router, self).__init__(apiresource)
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class SecurityGroup(NeutronAPIDictWrapper):
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# Required attributes: id, name, description, tenant_id, rules
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def __init__(self, sg, sg_dict=None):
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if sg_dict is None:
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sg_dict = {sg['id']: sg['name']}
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sg['rules'] = [SecurityGroupRule(rule, sg_dict)
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for rule in sg['security_group_rules']]
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super(SecurityGroup, self).__init__(sg)
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class SecurityGroupRule(NeutronAPIDictWrapper):
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# Required attributes:
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# id, parent_group_id
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# ip_protocol, from_port, to_port, ip_range, group
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# ethertype, direction (Neutron specific)
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def _get_secgroup_name(self, sg_id, sg_dict):
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if sg_id:
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if sg_dict is None:
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sg_dict = {}
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# If sg name not found in sg_dict,
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# first two parts of UUID is used as sg name.
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return sg_dict.get(sg_id, sg_id[:13])
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else:
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return u''
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def __init__(self, sgr, sg_dict=None):
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# In Neutron, if both remote_ip_prefix and remote_group_id are None,
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# it means all remote IP range is allowed, i.e., 0.0.0.0/0 or ::/0.
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if not sgr['remote_ip_prefix'] and not sgr['remote_group_id']:
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if sgr['ethertype'] == 'IPv6':
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sgr['remote_ip_prefix'] = '::/0'
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else:
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sgr['remote_ip_prefix'] = '0.0.0.0/0'
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rule = {
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'id': sgr['id'],
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'parent_group_id': sgr['security_group_id'],
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'direction': sgr['direction'],
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'ethertype': sgr['ethertype'],
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'ip_protocol': sgr['protocol'],
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'from_port': sgr['port_range_min'],
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'to_port': sgr['port_range_max'],
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}
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cidr = sgr['remote_ip_prefix']
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rule['ip_range'] = {'cidr': cidr} if cidr else {}
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group = self._get_secgroup_name(sgr['remote_group_id'], sg_dict)
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rule['group'] = {'name': group} if group else {}
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super(SecurityGroupRule, self).__init__(rule)
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def __unicode__(self):
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if 'name' in self.group:
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remote = self.group['name']
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elif 'cidr' in self.ip_range:
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remote = self.ip_range['cidr']
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else:
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remote = 'ANY'
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direction = 'to' if self.direction == 'egress' else 'from'
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if self.from_port:
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if self.from_port == self.to_port:
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proto_port = ("%s/%s" %
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(self.from_port, self.ip_protocol.lower()))
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else:
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proto_port = ("%s-%s/%s" %
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(self.from_port, self.to_port,
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self.ip_protocol.lower()))
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elif self.ip_protocol:
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try:
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ip_proto = int(self.ip_protocol)
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proto_port = "ip_proto=%d" % ip_proto
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except Exception:
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# well-defined IP protocol name like TCP, UDP, ICMP.
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proto_port = self.ip_protocol
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else:
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proto_port = ''
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return (_('ALLOW %(ethertype)s %(proto_port)s '
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'%(direction)s %(remote)s') %
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{'ethertype': self.ethertype,
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'proto_port': proto_port,
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'remote': remote,
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'direction': direction})
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class SecurityGroupManager(network_base.SecurityGroupManager):
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backend = 'neutron'
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def __init__(self, request):
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self.request = request
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self.client = neutronclient(request)
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def _list(self, **filters):
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secgroups = self.client.list_security_groups(**filters)
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return [SecurityGroup(sg) for sg in secgroups.get('security_groups')]
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def list(self):
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tenant_id = self.request.user.tenant_id
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return self._list(tenant_id=tenant_id)
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def _sg_name_dict(self, sg_id, rules):
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"""Create a mapping dict from secgroup id to its name."""
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related_ids = set([sg_id])
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related_ids |= set(filter(None, [r['remote_group_id'] for r in rules]))
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related_sgs = self.client.list_security_groups(id=related_ids,
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fields=['id', 'name'])
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related_sgs = related_sgs.get('security_groups')
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return dict((sg['id'], sg['name']) for sg in related_sgs)
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def get(self, sg_id):
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secgroup = self.client.show_security_group(sg_id).get('security_group')
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sg_dict = self._sg_name_dict(sg_id, secgroup['security_group_rules'])
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return SecurityGroup(secgroup, sg_dict)
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def create(self, name, desc):
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body = {'security_group': {'name': name,
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'description': desc}}
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secgroup = self.client.create_security_group(body)
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return SecurityGroup(secgroup.get('security_group'))
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def delete(self, sg_id):
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self.client.delete_security_group(sg_id)
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def rule_create(self, parent_group_id,
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direction=None, ethertype=None,
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ip_protocol=None, from_port=None, to_port=None,
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cidr=None, group_id=None):
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if not cidr:
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cidr = None
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if from_port < 0:
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from_port = None
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if to_port < 0:
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to_port = None
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if isinstance(ip_protocol, int) and ip_protocol < 0:
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ip_protocol = None
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body = {'security_group_rule':
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{'security_group_id': parent_group_id,
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'direction': direction,
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'ethertype': ethertype,
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'protocol': ip_protocol,
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'port_range_min': from_port,
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'port_range_max': to_port,
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'remote_ip_prefix': cidr,
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'remote_group_id': group_id}}
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rule = self.client.create_security_group_rule(body)
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rule = rule.get('security_group_rule')
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sg_dict = self._sg_name_dict(parent_group_id, [rule])
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return SecurityGroupRule(rule, sg_dict)
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def rule_delete(self, sgr_id):
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self.client.delete_security_group_rule(sgr_id)
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def list_by_instance(self, instance_id):
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"""Gets security groups of an instance."""
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ports = port_list(self.request, device_id=instance_id)
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sg_ids = []
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for p in ports:
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sg_ids += p.security_groups
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return self._list(id=set(sg_ids))
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def update_instance_security_group(self, instance_id, new_sgs):
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ports = port_list(self.request, device_id=instance_id)
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for p in ports:
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params = {'security_groups': new_sgs}
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port_modify(self.request, p.id, **params)
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class FloatingIp(base.APIDictWrapper):
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_attrs = ['id', 'ip', 'fixed_ip', 'port_id', 'instance_id', 'pool']
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def __init__(self, fip):
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fip['ip'] = fip['floating_ip_address']
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fip['fixed_ip'] = fip['fixed_ip_address']
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fip['pool'] = fip['floating_network_id']
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super(FloatingIp, self).__init__(fip)
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class FloatingIpPool(base.APIDictWrapper):
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pass
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class FloatingIpTarget(base.APIDictWrapper):
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pass
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class FloatingIpManager(network_base.FloatingIpManager):
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def __init__(self, request):
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self.request = request
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self.client = neutronclient(request)
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def list_pools(self):
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search_opts = {'router:external': True}
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return [FloatingIpPool(pool) for pool
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in self.client.list_networks(**search_opts).get('networks')]
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def list(self):
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fips = self.client.list_floatingips().get('floatingips')
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# Get port list to add instance_id to floating IP list
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# instance_id is stored in device_id attribute
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ports = port_list(self.request)
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device_id_dict = SortedDict([(p['id'], p['device_id']) for p in ports])
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for fip in fips:
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if fip['port_id']:
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fip['instance_id'] = device_id_dict[fip['port_id']]
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else:
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fip['instance_id'] = None
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return [FloatingIp(fip) for fip in fips]
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def get(self, floating_ip_id):
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fip = self.client.show_floatingip(floating_ip_id).get('floatingip')
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if fip['port_id']:
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fip['instance_id'] = port_get(self.request,
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fip['port_id']).device_id
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else:
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fip['instance_id'] = None
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return FloatingIp(fip)
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def allocate(self, pool):
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body = {'floatingip': {'floating_network_id': pool}}
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fip = self.client.create_floatingip(body).get('floatingip')
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fip['instance_id'] = None
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return FloatingIp(fip)
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def release(self, floating_ip_id):
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self.client.delete_floatingip(floating_ip_id)
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def associate(self, floating_ip_id, port_id):
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# NOTE: In Neutron Horizon floating IP support, port_id is
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# "<port_id>_<ip_address>" format to identify multiple ports.
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pid, ip_address = port_id.split('_', 1)
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update_dict = {'port_id': pid,
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'fixed_ip_address': ip_address}
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self.client.update_floatingip(floating_ip_id,
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{'floatingip': update_dict})
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def disassociate(self, floating_ip_id, port_id):
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update_dict = {'port_id': None}
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self.client.update_floatingip(floating_ip_id,
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{'floatingip': update_dict})
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def list_targets(self):
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ports = port_list(self.request)
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servers, has_more = nova.server_list(self.request)
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server_dict = SortedDict([(s.id, s.name) for s in servers])
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targets = []
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for p in ports:
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# Remove network ports from Floating IP targets
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if p.device_owner.startswith('network:'):
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continue
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port_id = p.id
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server_name = server_dict.get(p.device_id)
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for ip in p.fixed_ips:
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target = {'name': '%s: %s' % (server_name, ip['ip_address']),
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'id': '%s_%s' % (port_id, ip['ip_address'])}
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targets.append(FloatingIpTarget(target))
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return targets
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def get_target_id_by_instance(self, instance_id):
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# In Neutron one port can have multiple ip addresses, so this method
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# picks up the first one and generate target id.
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if not instance_id:
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return None
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search_opts = {'device_id': instance_id}
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ports = port_list(self.request, **search_opts)
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if not ports:
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return None
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return '%s_%s' % (ports[0].id, ports[0].fixed_ips[0]['ip_address'])
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def is_simple_associate_supported(self):
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# NOTE: There are two reason that simple association support
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# needs more considerations. (1) Neutron does not support the
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# default floating IP pool at the moment. It can be avoided
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# in case where only one floating IP pool exists.
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# (2) Neutron floating IP is associated with each VIF and
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# we need to check whether such VIF is only one for an instance
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# to enable simple association support.
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return False
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def get_ipver_str(ip_version):
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"""Convert an ip version number to a human-friendly string"""
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return IP_VERSION_DICT.get(ip_version, '')
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def neutronclient(request):
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insecure = getattr(settings, 'OPENSTACK_SSL_NO_VERIFY', False)
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LOG.debug('neutronclient connection created using token "%s" and url "%s"'
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% (request.user.token.id, base.url_for(request, 'network')))
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LOG.debug('user_id=%(user)s, tenant_id=%(tenant)s' %
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{'user': request.user.id, 'tenant': request.user.tenant_id})
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c = neutron_client.Client(token=request.user.token.id,
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endpoint_url=base.url_for(request, 'network'),
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insecure=insecure)
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return c
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def network_list(request, **params):
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LOG.debug("network_list(): params=%s" % (params))
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networks = neutronclient(request).list_networks(**params).get('networks')
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# Get subnet list to expand subnet info in network list.
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subnets = subnet_list(request)
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subnet_dict = SortedDict([(s['id'], s) for s in subnets])
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# Expand subnet list from subnet_id to values.
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for n in networks:
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n['subnets'] = [subnet_dict.get(s) for s in n.get('subnets', [])]
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return [Network(n) for n in networks]
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def network_list_for_tenant(request, tenant_id, **params):
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"""Return a network list available for the tenant.
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The list contains networks owned by the tenant and public networks.
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If requested_networks specified, it searches requested_networks only.
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"""
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LOG.debug("network_list_for_tenant(): tenant_id=%s, params=%s"
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% (tenant_id, params))
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# If a user has admin role, network list returned by Neutron API
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# contains networks that do not belong to that tenant.
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# So we need to specify tenant_id when calling network_list().
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networks = network_list(request, tenant_id=tenant_id,
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shared=False, **params)
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# In the current Neutron API, there is no way to retrieve
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# both owner networks and public networks in a single API call.
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networks += network_list(request, shared=True, **params)
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return networks
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def network_get(request, network_id, expand_subnet=True, **params):
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LOG.debug("network_get(): netid=%s, params=%s" % (network_id, params))
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network = neutronclient(request).show_network(network_id,
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**params).get('network')
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# Since the number of subnets per network must be small,
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# call subnet_get() for each subnet instead of calling
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# subnet_list() once.
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if expand_subnet:
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network['subnets'] = [subnet_get(request, sid)
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for sid in network['subnets']]
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return Network(network)
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def network_create(request, **kwargs):
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"""
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Create a subnet on a specified network.
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:param request: request context
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:param tenant_id: (optional) tenant id of the network created
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:param name: (optional) name of the network created
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:returns: Subnet object
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"""
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LOG.debug("network_create(): kwargs = %s" % kwargs)
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body = {'network': kwargs}
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network = neutronclient(request).create_network(body=body).get('network')
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return Network(network)
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def network_modify(request, network_id, **kwargs):
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LOG.debug("network_modify(): netid=%s, params=%s" % (network_id, kwargs))
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body = {'network': kwargs}
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network = neutronclient(request).update_network(network_id,
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body=body).get('network')
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return Network(network)
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def network_delete(request, network_id):
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LOG.debug("network_delete(): netid=%s" % network_id)
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neutronclient(request).delete_network(network_id)
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def subnet_list(request, **params):
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LOG.debug("subnet_list(): params=%s" % (params))
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subnets = neutronclient(request).list_subnets(**params).get('subnets')
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return [Subnet(s) for s in subnets]
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def subnet_get(request, subnet_id, **params):
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LOG.debug("subnet_get(): subnetid=%s, params=%s" % (subnet_id, params))
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subnet = neutronclient(request).show_subnet(subnet_id,
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**params).get('subnet')
|
|
return Subnet(subnet)
|
|
|
|
|
|
def subnet_create(request, network_id, cidr, ip_version, **kwargs):
|
|
"""
|
|
Create a subnet on a specified network.
|
|
:param request: request context
|
|
:param network_id: network id a subnet is created on
|
|
:param cidr: subnet IP address range
|
|
:param ip_version: IP version (4 or 6)
|
|
:param gateway_ip: (optional) IP address of gateway
|
|
:param tenant_id: (optional) tenant id of the subnet created
|
|
:param name: (optional) name of the subnet created
|
|
:returns: Subnet object
|
|
"""
|
|
LOG.debug("subnet_create(): netid=%s, cidr=%s, ipver=%d, kwargs=%s"
|
|
% (network_id, cidr, ip_version, kwargs))
|
|
body = {'subnet':
|
|
{'network_id': network_id,
|
|
'ip_version': ip_version,
|
|
'cidr': cidr}}
|
|
body['subnet'].update(kwargs)
|
|
subnet = neutronclient(request).create_subnet(body=body).get('subnet')
|
|
return Subnet(subnet)
|
|
|
|
|
|
def subnet_modify(request, subnet_id, **kwargs):
|
|
LOG.debug("subnet_modify(): subnetid=%s, kwargs=%s" % (subnet_id, kwargs))
|
|
body = {'subnet': kwargs}
|
|
subnet = neutronclient(request).update_subnet(subnet_id,
|
|
body=body).get('subnet')
|
|
return Subnet(subnet)
|
|
|
|
|
|
def subnet_delete(request, subnet_id):
|
|
LOG.debug("subnet_delete(): subnetid=%s" % subnet_id)
|
|
neutronclient(request).delete_subnet(subnet_id)
|
|
|
|
|
|
def port_list(request, **params):
|
|
LOG.debug("port_list(): params=%s" % (params))
|
|
ports = neutronclient(request).list_ports(**params).get('ports')
|
|
return [Port(p) for p in ports]
|
|
|
|
|
|
def port_get(request, port_id, **params):
|
|
LOG.debug("port_get(): portid=%s, params=%s" % (port_id, params))
|
|
port = neutronclient(request).show_port(port_id, **params).get('port')
|
|
return Port(port)
|
|
|
|
|
|
def port_create(request, network_id, **kwargs):
|
|
"""
|
|
Create a port on a specified network.
|
|
:param request: request context
|
|
:param network_id: network id a subnet is created on
|
|
:param device_id: (optional) device id attached to the port
|
|
:param tenant_id: (optional) tenant id of the port created
|
|
:param name: (optional) name of the port created
|
|
:returns: Port object
|
|
"""
|
|
LOG.debug("port_create(): netid=%s, kwargs=%s" % (network_id, kwargs))
|
|
body = {'port': {'network_id': network_id}}
|
|
body['port'].update(kwargs)
|
|
port = neutronclient(request).create_port(body=body).get('port')
|
|
return Port(port)
|
|
|
|
|
|
def port_delete(request, port_id):
|
|
LOG.debug("port_delete(): portid=%s" % port_id)
|
|
neutronclient(request).delete_port(port_id)
|
|
|
|
|
|
def port_modify(request, port_id, **kwargs):
|
|
LOG.debug("port_modify(): portid=%s, kwargs=%s" % (port_id, kwargs))
|
|
body = {'port': kwargs}
|
|
port = neutronclient(request).update_port(port_id, body=body).get('port')
|
|
return Port(port)
|
|
|
|
|
|
def router_create(request, **kwargs):
|
|
LOG.debug("router_create():, kwargs=%s" % kwargs)
|
|
body = {'router': {}}
|
|
body['router'].update(kwargs)
|
|
router = neutronclient(request).create_router(body=body).get('router')
|
|
return Router(router)
|
|
|
|
|
|
def router_get(request, router_id, **params):
|
|
router = neutronclient(request).show_router(router_id,
|
|
**params).get('router')
|
|
return Router(router)
|
|
|
|
|
|
def router_list(request, **params):
|
|
routers = neutronclient(request).list_routers(**params).get('routers')
|
|
return [Router(r) for r in routers]
|
|
|
|
|
|
def router_delete(request, router_id):
|
|
neutronclient(request).delete_router(router_id)
|
|
|
|
|
|
def router_add_interface(request, router_id, subnet_id=None, port_id=None):
|
|
body = {}
|
|
if subnet_id:
|
|
body['subnet_id'] = subnet_id
|
|
if port_id:
|
|
body['port_id'] = port_id
|
|
client = neutronclient(request)
|
|
return client.add_interface_router(router_id, body)
|
|
|
|
|
|
def router_remove_interface(request, router_id, subnet_id=None, port_id=None):
|
|
body = {}
|
|
if subnet_id:
|
|
body['subnet_id'] = subnet_id
|
|
if port_id:
|
|
body['port_id'] = port_id
|
|
neutronclient(request).remove_interface_router(router_id, body)
|
|
|
|
|
|
def router_add_gateway(request, router_id, network_id):
|
|
body = {'network_id': network_id}
|
|
neutronclient(request).add_gateway_router(router_id, body)
|
|
|
|
|
|
def router_remove_gateway(request, router_id):
|
|
neutronclient(request).remove_gateway_router(router_id)
|