--- /dev/null
- request_url = "/novatenants/" + project_id + "/get_host"
+ # vim: tabstop=4 shiftwidth=4 softtabstop=4
+ #
+ # Copyright 2011 Cisco Systems, Inc. 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.
+ #
+ # @author: Sumit Naiksatam, Cisco Systems, Inc.
+ #
+
+ from nova import exception as excp
+ from nova import flags
+ from nova import log as logging
+ from nova.scheduler import driver
+ from quantum.client import Client
+ from quantum.common.wsgi import Serializer
+
+ LOG = logging.getLogger('quantum.plugins.cisco.nova.quantum_aware_scheduler')
+
+ FLAGS = flags.FLAGS
+ flags.DEFINE_string('quantum_host', "127.0.0.1",
+ 'IP address of the quantum network service.')
+ flags.DEFINE_integer('quantum_port', 9696,
+ 'Listening port for Quantum network service')
+
+ HOST = FLAGS.quantum_host
+ PORT = FLAGS.quantum_port
+ USE_SSL = False
+ ACTION_PREFIX_EXT = '/v0.1'
+ ACTION_PREFIX_CSCO = ACTION_PREFIX_EXT + \
+ '/extensions/csco/tenants/{tenant_id}'
+ TENANT_ID = 'nova'
+ CSCO_EXT_NAME = 'Cisco Nova Tenant'
++ACTION = '/schedule_host'
+
+
+ class QuantumScheduler(driver.Scheduler):
+ """
+ Quantum network service dependent scheduler
+ Obtains the hostname from Quantum using an extension API
+ """
+ def __init__(self):
+ # We have to send a dummy tenant name here since the client
+ # needs some tenant name, but the tenant name will not be used
+ # since the extensions URL does not require it
+ client = Client(HOST, PORT, USE_SSL, format='json',
+ action_prefix=ACTION_PREFIX_EXT, tenant="dummy")
+ request_url = "/extensions"
+ data = client.do_request('GET', request_url)
+ LOG.debug("Obtained supported extensions from Quantum: %s" % data)
+ for ext in data['extensions']:
+ name = ext['name']
+ if name == CSCO_EXT_NAME:
+ LOG.debug("Quantum plugin supports required \"%s\" extension"
+ "for the scheduler." % name)
+ return
+ LOG.error("Quantum plugin does not support required \"%s\" extension"
+ " for the scheduler. Scheduler will quit." % CSCO_EXT_NAME)
+ raise excp.ServiceUnavailable()
+
+ def schedule(self, context, topic, *args, **kwargs):
+ """Gets the host name from the Quantum service"""
+ instance_id = kwargs['instance_id']
+ user_id = \
+ kwargs['request_spec']['instance_properties']['user_id']
+ project_id = \
+ kwargs['request_spec']['instance_properties']['project_id']
+
+ instance_data_dict = \
+ {'novatenant': \
+ {'instance_id': instance_id,
+ 'instance_desc': \
+ {'user_id': user_id,
+ 'project_id': project_id}}}
+
+ client = Client(HOST, PORT, USE_SSL, format='json', tenant=TENANT_ID,
+ action_prefix=ACTION_PREFIX_CSCO)
++ request_url = "/novatenants/" + project_id + ACTION
+ data = client.do_request('PUT', request_url, body=instance_data_dict)
+
+ hostname = data["host_list"]["host_1"]
+ if not hostname:
+ raise driver.NoValidHost(_("Scheduler was unable to locate a host"
+ " for this request. Is the appropriate"
+ " service running?"))
+
+ LOG.debug(_("Quantum service returned host: %s") % hostname)
+ return hostname
--- /dev/null
- request_url = "/novatenants/" + project_id + "/get_instance_port"
+ # vim: tabstop=4 shiftwidth=4 softtabstop=4
+ # Copyright 2011 Cisco Systems, Inc. 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.
+ #
+ # @author: Sumit Naiksatam, Cisco Systems, Inc.
+ #
+
+ """VIF drivers for interface type direct."""
+
+ from nova import exception as excp
+ from nova import flags
+ from nova import log as logging
+ from nova.network import linux_net
+ from nova.virt.libvirt import netutils
+ from nova import utils
+ from nova.virt.vif import VIFDriver
+ from quantum.client import Client
+ from quantum.common.wsgi import Serializer
+
+ LOG = logging.getLogger('quantum.plugins.cisco.nova.vifdirect')
+
+ FLAGS = flags.FLAGS
+ flags.DEFINE_string('quantum_host', "127.0.0.1",
+ 'IP address of the quantum network service.')
+ flags.DEFINE_integer('quantum_port', 9696,
+ 'Listening port for Quantum network service')
+
+ HOST = FLAGS.quantum_host
+ PORT = FLAGS.quantum_port
+ USE_SSL = False
+ TENANT_ID = 'nova'
+ ACTION_PREFIX_EXT = '/v0.1'
+ ACTION_PREFIX_CSCO = ACTION_PREFIX_EXT + \
+ '/extensions/csco/tenants/{tenant_id}'
+ TENANT_ID = 'nova'
+ CSCO_EXT_NAME = 'Cisco Nova Tenant'
++ACTION = '/associate_port'
+
+
+ class Libvirt802dot1QbhDriver(VIFDriver):
+ """VIF driver for Linux bridge."""
+ def __init__(self):
+ # We have to send a dummy tenant name here since the client
+ # needs some tenant name, but the tenant name will not be used
+ # since the extensions URL does not require it
+ client = Client(HOST, PORT, USE_SSL, format='json',
+ action_prefix=ACTION_PREFIX_EXT, tenant="dummy")
+ request_url = "/extensions"
+ data = client.do_request('GET', request_url)
+ LOG.debug("Obtained supported extensions from Quantum: %s" % data)
+ for ext in data['extensions']:
+ name = ext['name']
+ if name == CSCO_EXT_NAME:
+ LOG.debug("Quantum plugin supports required \"%s\" extension"
+ "for the VIF driver." % name)
+ return
+ LOG.error("Quantum plugin does not support required \"%s\" extension"
+ " for the VIF driver. nova-compute will quit." \
+ % CSCO_EXT_NAME)
+ raise excp.ServiceUnavailable()
+
+ def _get_configurations(self, instance, network, mapping):
+ """Gets the device name and the profile name from Quantum"""
+
+ instance_id = instance['id']
+ user_id = instance['user_id']
+ project_id = instance['project_id']
+ vif_id = mapping['vif_uuid']
+
+ instance_data_dict = \
+ {'novatenant': \
+ {'instance_id': instance_id,
+ 'instance_desc': \
+ {'user_id': user_id,
+ 'project_id': project_id,
+ 'vif_id': vif_id}}}
+
+ client = Client(HOST, PORT, USE_SSL, format='json', tenant=TENANT_ID,
+ action_prefix=ACTION_PREFIX_CSCO)
++ request_url = "/novatenants/" + project_id + ACTION
+ data = client.do_request('PUT', request_url, body=instance_data_dict)
+
+ device = data['vif_desc']['device']
+ portprofile = data['vif_desc']['portprofile']
+ LOG.debug(_("Quantum provided the device: %s") % device)
+ LOG.debug(_("Quantum provided the portprofile: %s") % portprofile)
+ mac_id = mapping['mac'].replace(':', '')
+
+ result = {
+ 'id': mac_id,
+ 'mac_address': mapping['mac'],
+ 'device_name': device,
+ 'profile_name': portprofile,
+ }
+
+ return result
+
+ def plug(self, instance, network, mapping):
+ return self._get_configurations(instance, network, mapping)
+
+ def unplug(self, instance, network, mapping):
+ pass