148 lines
6.0 KiB
Python
Executable File
148 lines
6.0 KiB
Python
Executable File
#!/usr/bin/env python
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# Copyright (c) 2014 VMware, Inc. All rights reserved.
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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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#
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from __future__ import print_function
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from __future__ import division
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from __future__ import absolute_import
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import neutronclient.v2_0.client
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from oslo_log import log as logging
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from congress.datasources import constants
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from congress.datasources import datasource_driver
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from congress.datasources import datasource_utils as ds_utils
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LOG = logging.getLogger(__name__)
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class NeutronV2QosDriver(datasource_driver.PollingDataSourceDriver):
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PORTS = 'ports'
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QOS_POLICY_PORT_BINDINGS = 'qos_policy_port_bindings'
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QOS_POLICIES = 'policies'
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QOS_RULES = 'rules'
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# This is the most common per-value translator, so define it once here.
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value_trans = {'translation-type': 'VALUE'}
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ports_qos_policies_translator = {
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'translation-type': 'LIST',
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'table-name': QOS_POLICY_PORT_BINDINGS,
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'parent-key': 'id',
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'parent-col-name': 'port_id',
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'parent-key-desc': 'UUID of port',
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'val-col': 'qos_policy_id',
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'val-col-desc': 'UUID of qos policy',
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'translator': value_trans}
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ports_translator = {
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'translation-type': 'HDICT',
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'table-name': PORTS,
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'selector-type': 'DICT_SELECTOR',
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'field-translators':
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({'fieldname': 'id', 'desc': 'UUID of port',
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'translator': value_trans},
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{'fieldname': 'qos_policies',
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'translator': ports_qos_policies_translator})}
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qos_rules_translator = {
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'translation-type': 'HDICT',
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'table-name': QOS_RULES,
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'parent-key': 'id',
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'parent-col-name': 'qos_policy_id',
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'parent-key-desc': 'uuid of qos policy',
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'selector-type': 'DICT_SELECTOR',
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'in-list': True,
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'field-translators':
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({'fieldname': 'id', 'desc': 'The UUID for the QoS minimum'
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'bandwidth rule translator',
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'translator': value_trans},
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{'fieldname': 'min_kbps', 'desc': 'min_kbps bandwidth '
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'limit rule',
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'translator': value_trans},
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{'fieldname': 'direction', 'desc': 'minimum bandwidth '
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'rule direction',
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'translator': value_trans},
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{'fieldname': 'type', 'desc': 'type of qos rule',
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'translator': value_trans},
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{'fieldname': 'dscp_mark', 'desc': 'mark of the dscp rule',
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'translator': value_trans},
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{'fieldname': 'max_burst_kbps', 'desc': 'max_burst_kps limit',
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'translator': value_trans},
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{'fieldname': 'max_kbps', 'desc': 'max_kps bandwidth limit',
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'translator': value_trans})}
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qos_policy_translator = {
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'translation-type': 'HDICT',
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'table-name': QOS_POLICIES,
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'selector-type': 'DICT_SELECTOR',
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'field-translators':
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({'fieldname': 'id', 'desc': 'The UUID for the qos policy',
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'translator': value_trans},
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{'fieldname': 'tenant_id', 'desc': 'Tenant ID',
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'translator': value_trans},
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{'fieldname': 'name', 'desc': 'The qos policy name',
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'translator': value_trans},
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{'fieldname': 'description', 'desc': 'qos policy description',
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'translator': value_trans},
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{'fieldname': 'shared', 'desc': 'The qos policy share',
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'translator': value_trans},
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{'fieldname': 'rules',
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'translator': qos_rules_translator})}
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TRANSLATORS = [ports_translator, qos_policy_translator]
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def __init__(self, name='', args=None):
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super(NeutronV2QosDriver, self).__init__(name, args=args)
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self.creds = args
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session = ds_utils.get_keystone_session(self.creds)
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self.neutron = neutronclient.v2_0.client.Client(session=session)
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self.initialize_update_methods()
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self._init_end_start_poll()
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@staticmethod
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def get_datasource_info():
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result = {}
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result['id'] = 'neutronv2_qos'
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result['description'] = ('Datasource driver that interfaces with QoS '
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'extension of '
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'OpenStack Networking aka Neutron.')
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result['config'] = ds_utils.get_openstack_required_config()
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result['config']['lazy_tables'] = constants.OPTIONAL
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result['secret'] = ['password']
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return result
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def initialize_update_methods(self):
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ports_method = lambda: self._translate_ports(self.neutron.list_ports())
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self.add_update_method(ports_method, self.ports_translator)
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qos_policy_method = lambda: self._translate_qos_policies(
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self.neutron.list_qos_policies())
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self.add_update_method(qos_policy_method,
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self.qos_policy_translator)
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@ds_utils.update_state_on_changed(PORTS)
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def _translate_ports(self, obj):
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LOG.debug("ports: %s", obj)
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row_data = NeutronV2QosDriver.convert_objs(obj['ports'],
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self.ports_translator)
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return row_data
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@ds_utils.update_state_on_changed(QOS_POLICIES)
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def _translate_qos_policies(self, obj):
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LOG.debug("qos_policies: %s", obj)
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row_data = NeutronV2QosDriver.convert_objs(obj['policies'],
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self.qos_policy_translator)
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return row_data
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