113 lines
3.3 KiB
Python
113 lines
3.3 KiB
Python
# Copyright (c) 2013 OpenStack Foundation.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from neutron_lib.api import converters
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from neutron_lib.api import extensions
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from neutron_lib.api import validators
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from neutron_lib import exceptions
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from neutron._i18n import _
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# ExtraDHcpOpts Exceptions
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class ExtraDhcpOptNotFound(exceptions.NotFound):
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message = _("ExtraDhcpOpt %(id)s could not be found")
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class ExtraDhcpOptBadData(exceptions.InvalidInput):
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message = _("Invalid data format for extra-dhcp-opt: %(data)s")
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# Valid blank extra dhcp opts
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VALID_BLANK_EXTRA_DHCP_OPTS = ('router', 'classless-static-route')
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# Common definitions for maximum string field length
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DHCP_OPT_NAME_MAX_LEN = 64
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DHCP_OPT_VALUE_MAX_LEN = 255
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EXTRA_DHCP_OPT_KEY_SPECS = {
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'id': {'type:uuid': None, 'required': False},
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'opt_name': {'type:not_empty_string': DHCP_OPT_NAME_MAX_LEN,
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'required': True},
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'opt_value': {'type:not_empty_string_or_none': DHCP_OPT_VALUE_MAX_LEN,
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'required': True},
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'ip_version': {'convert_to': converters.convert_to_int,
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'type:values': [4, 6],
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'required': False}
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}
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def _validate_extra_dhcp_opt(data, key_specs=None):
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if data is not None:
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if not isinstance(data, list):
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raise ExtraDhcpOptBadData(data=data)
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for d in data:
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if d['opt_name'] in VALID_BLANK_EXTRA_DHCP_OPTS:
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msg = validators.validate_string_or_none(
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d['opt_value'], DHCP_OPT_VALUE_MAX_LEN)
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else:
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msg = validators.validate_dict(d, key_specs)
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if msg:
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raise ExtraDhcpOptBadData(data=msg)
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validators.add_validator('list_of_extra_dhcp_opts',
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_validate_extra_dhcp_opt)
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# Attribute Map
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EXTRADHCPOPTS = 'extra_dhcp_opts'
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CLIENT_ID = "client-id"
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EXTENDED_ATTRIBUTES_2_0 = {
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'ports': {
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EXTRADHCPOPTS: {
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'allow_post': True,
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'allow_put': True,
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'is_visible': True,
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'default': None,
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'validate': {
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'type:list_of_extra_dhcp_opts': EXTRA_DHCP_OPT_KEY_SPECS
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}
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}
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}
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}
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class Extra_dhcp_opt(extensions.ExtensionDescriptor):
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@classmethod
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def get_name(cls):
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return "Neutron Extra DHCP opts"
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@classmethod
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def get_alias(cls):
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return "extra_dhcp_opt"
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@classmethod
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def get_description(cls):
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return ("Extra options configuration for DHCP. "
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"For example PXE boot options to DHCP clients can "
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"be specified (e.g. tftp-server, server-ip-address, "
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"bootfile-name)")
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@classmethod
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def get_updated(cls):
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return "2013-03-17T12:00:00-00:00"
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def get_extended_resources(self, version):
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if version == "2.0":
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return EXTENDED_ATTRIBUTES_2_0
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else:
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return {}
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