103 lines
3.2 KiB
Python
103 lines
3.2 KiB
Python
# Copyright 2017 FUJITSU LIMITED
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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 oslo_config import cfg
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from oslo_config import types
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from oslo_log import log
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from oslo_utils import importutils
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LOG = log.getLogger(__name__)
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class Plugin(types.String):
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def __init__(self, ignore_missing=False, choices=None, plugin_map=None):
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if not plugin_map:
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# since simport is used, we cannot tell where plugin is located
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# thus plugin map wouldn't contain it
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plugin_map = {}
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super(Plugin, self).__init__(choices, quotes=False, ignore_case=True,
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type_name='plugin value')
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self._plugin_map = plugin_map
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self._ingore_mission = ignore_missing
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def __call__(self, value):
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value = super(Plugin, self).__call__(value)
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value = self._get_actual_target(value)
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cls = None
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try:
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value = value.replace(':', '.')
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cls = importutils.import_class(value)
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except ImportError:
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if not self._ingore_mission:
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raise ValueError('%s cannot be imported' % value)
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else:
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LOG.exception('%s cannot be imported', value)
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return cls
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def _get_actual_target(self, value):
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# NOTE(trebskit) missing values will be handled
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# by choices from StringType
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if value in self._plugin_map.keys():
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return self._plugin_map[value]
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return value
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class PluginOpt(cfg.Opt):
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def __init__(self, name, choices=None, plugin_map=None, **kwargs):
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plugin = Plugin(choices=choices, plugin_map=plugin_map)
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super(PluginOpt, self).__init__(name,
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type=plugin,
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**kwargs)
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class HostAddressPortType(types.HostAddress):
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"""HostAddress with additional port"""
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def __init__(self, version=None):
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type_name = 'host address port value'
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super(HostAddressPortType, self).__init__(version,
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type_name=type_name)
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def __call__(self, value):
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addr, port = value.split(':')
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addr = self._validate_addr(addr)
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port = self._validate_port(port)
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if addr and port:
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return '%s:%d' % (addr, port)
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raise ValueError('%s is not valid host address with optional port')
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@staticmethod
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def _validate_port(port=80):
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port = types.Port()(port)
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return port
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def _validate_addr(self, addr):
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try:
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addr = self.ip_address(addr)
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except ValueError:
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try:
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addr = self.hostname(addr)
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except ValueError:
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raise ValueError("%s is not a valid host address", addr)
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return addr
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