172 lines
6.1 KiB
Python
172 lines
6.1 KiB
Python
#
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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 heat.common import exception
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from heat.common.i18n import _
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from heat.engine import constraints
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from heat.engine import properties
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from heat.engine.resources.openstack.neutron import neutron
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from heat.engine import support
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from heat.engine import translation
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class Segment(neutron.NeutronResource):
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"""A resource for Neutron Segment.
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This requires enabling the segments service plug-in by appending
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'segments' to the list of service_plugins in the neutron.conf.
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The default policy usage of this resource is limited to
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administrators only.
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"""
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required_service_extension = 'segment'
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support_status = support.SupportStatus(version='9.0.0')
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NETWORK_TYPES = [LOCAL, VLAN, VXLAN,
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GRE, GENEVE, FLAT] = ['local', 'vlan', 'vxlan',
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'gre', 'geneve', 'flat']
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PROPERTIES = (
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NETWORK, NETWORK_TYPE, PHYSICAL_NETWORK, SEGMENTATION_ID,
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NAME, DESCRIPTION
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) = (
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'network', 'network_type', 'physical_network', 'segmentation_id',
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'name', 'description'
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)
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properties_schema = {
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NETWORK: properties.Schema(
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properties.Schema.STRING,
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_('The name/id of network to associate with this segment.'),
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constraints=[constraints.CustomConstraint('neutron.network')],
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required=True
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),
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NETWORK_TYPE: properties.Schema(
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properties.Schema.STRING,
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_('Type of network to associate with this segment.'),
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constraints=[
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constraints.AllowedValues(NETWORK_TYPES),
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],
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required=True
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),
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PHYSICAL_NETWORK: properties.Schema(
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properties.Schema.STRING,
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_('Name of physical network to associate with this segment.'),
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),
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SEGMENTATION_ID: properties.Schema(
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properties.Schema.INTEGER,
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_('Segmentation ID for this segment.'),
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constraints=[
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constraints.Range(min=1),
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],
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),
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NAME: properties.Schema(
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properties.Schema.STRING,
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_('Name of the segment.'),
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update_allowed=True,
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),
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DESCRIPTION: properties.Schema(
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properties.Schema.STRING,
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_('Description of the segment.'),
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update_allowed=True,
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),
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}
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def translation_rules(self, props):
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return [
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translation.TranslationRule(
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props,
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translation.TranslationRule.RESOLVE,
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[self.NETWORK],
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client_plugin=self.client_plugin(),
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finder='find_resourceid_by_name_or_id',
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entity='network'
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)]
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def validate(self):
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super(Segment, self).validate()
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phys_network = self.properties[self.PHYSICAL_NETWORK]
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network_type = self.properties[self.NETWORK_TYPE]
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seg_id = self.properties[self.SEGMENTATION_ID]
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msg_fmt = _('%(prop)s is required for %(type)s provider network.')
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if network_type in [self.FLAT, self.VLAN] and phys_network is None:
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msg = msg_fmt % {'prop': self.PHYSICAL_NETWORK,
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'type': network_type}
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raise exception.StackValidationFailed(message=msg)
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if network_type == self.VLAN and seg_id is None:
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msg = msg_fmt % {'prop': self.SEGMENTATION_ID,
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'type': network_type}
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raise exception.StackValidationFailed(message=msg)
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msg_fmt = _('%(prop)s is prohibited for %(type)s provider network.')
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if network_type in [self.LOCAL, self.FLAT] and seg_id is not None:
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msg = msg_fmt % {'prop': self.SEGMENTATION_ID,
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'type': network_type}
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raise exception.StackValidationFailed(message=msg)
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tunnel_types = [self.VXLAN, self.GRE, self.GENEVE]
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if network_type in tunnel_types and phys_network is not None:
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msg = msg_fmt % {'prop': self.PHYSICAL_NETWORK,
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'type': network_type}
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raise exception.StackValidationFailed(message=msg)
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if network_type == self.VLAN and seg_id > 4094:
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msg = _('Up to 4094 VLAN network segments can exist '
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'on each physical_network.')
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raise exception.StackValidationFailed(message=msg)
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def handle_create(self):
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props = self.prepare_properties(
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self.properties,
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self.physical_resource_name())
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props['network_id'] = props.pop(self.NETWORK)
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segment = self.client('openstack').network.create_segment(**props)
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self.resource_id_set(segment.id)
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def handle_delete(self):
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if self.resource_id is None:
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return
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with self.client_plugin('openstack').ignore_not_found:
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self.client('openstack').network.delete_segment(self.resource_id)
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def needs_replace_failed(self):
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if not self.resource_id:
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return True
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with self.client_plugin('openstack').ignore_not_found:
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self._show_resource()
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return False
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return True
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def handle_update(self, json_snippet, tmpl_diff, prop_diff):
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if prop_diff:
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self.prepare_update_properties(prop_diff)
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self.client('openstack').network.update_segment(
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self.resource_id, **prop_diff)
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def _show_resource(self):
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return self.client('openstack').network.get_segment(
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self.resource_id).to_dict()
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def resource_mapping():
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return {
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'OS::Neutron::Segment': Segment
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}
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