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OpenStack Study: fixed_ips.py**** CubicPower OpenStack Study ****
# # 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 webob.exc from nova.api.openstack import extensions from nova import db from nova import exception from nova.openstack.common.gettextutils import _ authorize = extensions.extension_authorizer('compute', 'fixed_ips')
**** CubicPower OpenStack Study **** class FixedIPController(object):
**** CubicPower OpenStack Study **** def show(self, req, id): """Return data about the given fixed ip.""" context = req.environ['nova.context'] authorize(context) try: fixed_ip = db.fixed_ip_get_by_address_detailed(context, id) except (exception.FixedIpNotFoundForAddress, exception.FixedIpInvalid) as ex: raise webob.exc.HTTPNotFound(explanation=ex.format_message()) fixed_ip_info = {"fixed_ip": {}} if fixed_ip[1] is None: msg = _("Fixed IP %s has been deleted") % id raise webob.exc.HTTPNotFound(explanation=msg) fixed_ip_info['fixed_ip']['cidr'] = fixed_ip[1]['cidr'] fixed_ip_info['fixed_ip']['address'] = fixed_ip[0]['address'] if fixed_ip[2]: fixed_ip_info['fixed_ip']['hostname'] = fixed_ip[2]['hostname'] fixed_ip_info['fixed_ip']['host'] = fixed_ip[2]['host'] else: fixed_ip_info['fixed_ip']['hostname'] = None fixed_ip_info['fixed_ip']['host'] = None return fixed_ip_info
**** CubicPower OpenStack Study **** def action(self, req, id, body): context = req.environ['nova.context'] authorize(context) if 'reserve' in body: return self._set_reserved(context, id, True) elif 'unreserve' in body: return self._set_reserved(context, id, False) else: raise webob.exc.HTTPBadRequest( explanation="No valid action specified")
**** CubicPower OpenStack Study **** def _set_reserved(self, context, address, reserved): try: fixed_ip = db.fixed_ip_get_by_address(context, address) db.fixed_ip_update(context, fixed_ip['address'], {'reserved': reserved}) except (exception.FixedIpNotFoundForAddress, exception.FixedIpInvalid): msg = _("Fixed IP %s not found") % address raise webob.exc.HTTPNotFound(explanation=msg) return webob.exc.HTTPAccepted()
**** CubicPower OpenStack Study **** class Fixed_ips(extensions.ExtensionDescriptor): """Fixed IPs support.""" name = "FixedIPs" alias = "os-fixed-ips" namespace = "http://docs.openstack.org/compute/ext/fixed_ips/api/v2" updated = "2012-10-18T13:25:27-06:00"
**** CubicPower OpenStack Study **** def get_resources(self): member_actions = {'action': 'POST'} resources = [] resource = extensions.ResourceExtension('os-fixed-ips', FixedIPController(), member_actions=member_actions) resources.append(resource) return resources
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