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OpenStack Study: networks_associate.py

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# 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.

from webob import exc

from nova.api.openstack import extensions

from nova.api.openstack import wsgi

from nova import exception

from nova import network

from nova.openstack.common.gettextutils import _

from nova.openstack.common import log as logging

LOG = logging.getLogger(__name__)

authorize = extensions.extension_authorizer('compute', 'networks_associate')

**** CubicPower OpenStack Study ****

class NetworkAssociateActionController(wsgi.Controller):

"""Network Association API Controller."""

**** CubicPower OpenStack Study ****

    def __init__(self, network_api=None):

        self.network_api = network_api or network.API()

    @wsgi.action("disassociate_host")

**** CubicPower OpenStack Study ****

    def _disassociate_host_only(self, req, id, body):

        context = req.environ['nova.context']

        authorize(context)

        LOG.debug(_("Disassociating host with network with id %s"), id)

        try:

            self.network_api.associate(context, id, host=None)

        except exception.NetworkNotFound:

            msg = _("Network not found")

            raise exc.HTTPNotFound(explanation=msg)

        except NotImplementedError:

            msg = _('Disassociate host is not implemented by the configured '

                    'Network API')

            raise exc.HTTPNotImplemented(explanation=msg)

        return exc.HTTPAccepted()

    @wsgi.action("disassociate_project")

**** CubicPower OpenStack Study ****

    def _disassociate_project_only(self, req, id, body):

        context = req.environ['nova.context']

        authorize(context)

        LOG.debug(_("Disassociating project with network with id %s"), id)

        try:

            self.network_api.associate(context, id, project=None)

        except exception.NetworkNotFound:

            msg = _("Network not found")

            raise exc.HTTPNotFound(explanation=msg)

        except NotImplementedError:

            msg = _('Disassociate project is not implemented by the '

                    'configured Network API')

            raise exc.HTTPNotImplemented(explanation=msg)

        return exc.HTTPAccepted()

    @wsgi.action("associate_host")

**** CubicPower OpenStack Study ****

    def _associate_host(self, req, id, body):

        context = req.environ['nova.context']

        authorize(context)

        try:

            self.network_api.associate(context, id,

                                       host=body['associate_host'])

        except exception.NetworkNotFound:

            msg = _("Network not found")

            raise exc.HTTPNotFound(explanation=msg)

        except NotImplementedError:

            msg = _('Associate host is not implemented by the configured '

                    'Network API')

            raise exc.HTTPNotImplemented(explanation=msg)

        return exc.HTTPAccepted()

**** CubicPower OpenStack Study ****

class Networks_associate(extensions.ExtensionDescriptor):

"""Network association support."""

name = "NetworkAssociationSupport"

alias = "os-networks-associate"

namespace = ("http://docs.openstack.org/compute/ext/"

"networks_associate/api/v2")

updated = "2012-11-19T00:00:00+00:00"

**** CubicPower OpenStack Study ****

    def get_controller_extensions(self):

        extension = extensions.ControllerExtension(

                self, 'os-networks', NetworkAssociateActionController())

        return [extension]