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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 oslo_utils import versionutils
from oslo_versionedobjects import base
from oslo_versionedobjects import fields
from os_vif import exception
from os_vif.objects import base as osv_base
def _get_common_version(object_name, max_version, min_version, exc_notmatch,
exc_notsupported):
"""Returns the accepted version from the loaded OVO registry"""
reg = base.VersionedObjectRegistry.obj_classes()
if object_name not in reg:
raise exc_notmatch(name=object_name)
gotvers = []
for regobj in reg[object_name]:
gotvers.append(regobj.VERSION)
got = versionutils.convert_version_to_tuple(regobj.VERSION)
minwant = versionutils.convert_version_to_tuple(min_version)
maxwant = versionutils.convert_version_to_tuple(max_version)
if minwant <= got <= maxwant:
return regobj.VERSION
raise exc_notsupported(name=object_name,
got_versions=",".join(gotvers),
min_version=min_version,
max_version=max_version)
@base.VersionedObjectRegistry.register
class HostPortProfileInfo(osv_base.VersionedObject,
base.ComparableVersionedObject,
osv_base.VersionedObjectPrintableMixin):
"""
Class describing a PortProfile class and its supported versions
"""
# Version 1.0: Initial version
VERSION = "1.0"
fields = {
# object name of the subclass of os_vif.objects.vif.VIFPortProfileBase
"profile_object_name": fields.StringField(),
# String representing the earliest version of @name
# that the plugin understands
"min_version": fields.StringField(),
# String representing the latest version of @name
# that the plugin understands
"max_version": fields.StringField(),
}
def get_common_version(self):
return _get_common_version(self.profile_object_name,
self.max_version,
self.min_version,
exception.NoMatchingPortProfileClass,
exception.NoSupportedPortProfileVersion)
@base.VersionedObjectRegistry.register
class HostVIFInfo(osv_base.VersionedObject, base.ComparableVersionedObject,
osv_base.VersionedObjectPrintableMixin):
"""
Class describing a VIF class and its supported versions
"""
# Version 1.0: Initial version
# Version 1.1: Adds 'supported_port_profiles' field
VERSION = "1.1"
fields = {
# object name of the subclass of os_vif.objects.vif.VIFBase
"vif_object_name": fields.StringField(),
# String representing the earliest version of @name
# that the plugin understands
"min_version": fields.StringField(),
# String representing the latest version of @name
# that the plugin understands
"max_version": fields.StringField(),
# list of supported PortProfile objects and versions.
"supported_port_profiles": fields.ListOfObjectsField(
"HostPortProfileInfo")
}
def obj_make_compatible(self, primitive, target_version):
target_version = versionutils.convert_version_to_tuple(target_version)
if target_version < (1, 1) and 'supported_port_profiles' in primitive:
del primitive['supported_port_profiles']
super(HostVIFInfo, self).obj_make_compatible(primitive, '1.0')
def get_common_version(self):
return _get_common_version(self.vif_object_name,
self.max_version,
self.min_version,
exception.NoMatchingVIFClass,
exception.NoSupportedVIFVersion)
@base.VersionedObjectRegistry.register
class HostPluginInfo(osv_base.VersionedObject, base.ComparableVersionedObject,
osv_base.VersionedObjectPrintableMixin):
"""
Class describing a plugin and its supported VIF classes
"""
# Version 1.0: Initial version
VERSION = "1.0"
fields = {
# name of the plugin
"plugin_name": fields.StringField(),
# list of HostVIFInfo instances supported by the plugin
"vif_info": fields.ListOfObjectsField("HostVIFInfo"),
}
def has_vif(self, name):
for vif in self.vif_info:
if vif.vif_object_name == name:
return True
return False
def get_vif(self, name):
for vif in self.vif_info:
if vif.vif_object_name == name:
return vif
raise exception.NoMatchingVIFClass(vif_name=name)
def filter_vif_types(self, permitted_vif_type_names):
new_vif_info = []
for vif in self.vif_info:
if vif.vif_object_name in permitted_vif_type_names:
new_vif_info.append(vif)
self.vif_info = new_vif_info
@base.VersionedObjectRegistry.register
class HostInfo(osv_base.VersionedObject, base.ComparableVersionedObject,
osv_base.VersionedObjectPrintableMixin):
"""
Class describing a host host and its supported plugin classes
"""
fields = {
# list of HostPluginInfo instances supported by the host host
"plugin_info": fields.ListOfObjectsField("HostPluginInfo"),
}
def has_plugin(self, name):
for plugin in self.plugin_info:
if name == plugin.plugin_name:
return True
return False
def get_plugin(self, name):
for plugin in self.plugin_info:
if name == plugin.plugin_name:
return plugin
raise exception.NoMatchingPlugin(plugin_name=name)
def filter_vif_types(self, permitted_vif_type_names):
new_plugins = []
for plugin in self.plugin_info:
plugin.filter_vif_types(permitted_vif_type_names)
if len(plugin.vif_info) == 0:
continue
new_plugins.append(plugin)
self.plugin_info = new_plugins
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