637 lines
23 KiB
Python
637 lines
23 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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import six
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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 attributes
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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.resources.openstack.neutron import subnet
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from heat.engine import support
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from heat.engine import translation
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class Router(neutron.NeutronResource):
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"""A resource that implements Neutron router.
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Router is a physical or virtual network device that passes network traffic
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between different networks.
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"""
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required_service_extension = 'router'
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entity = 'router'
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PROPERTIES = (
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NAME, EXTERNAL_GATEWAY, VALUE_SPECS, ADMIN_STATE_UP,
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L3_AGENT_ID, L3_AGENT_IDS, DISTRIBUTED, HA,
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) = (
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'name', 'external_gateway_info', 'value_specs', 'admin_state_up',
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'l3_agent_id', 'l3_agent_ids', 'distributed', 'ha'
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)
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_EXTERNAL_GATEWAY_KEYS = (
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EXTERNAL_GATEWAY_NETWORK, EXTERNAL_GATEWAY_ENABLE_SNAT,
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EXTERNAL_GATEWAY_FIXED_IPS,
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) = (
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'network', 'enable_snat', 'external_fixed_ips',
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)
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_EXTERNAL_GATEWAY_FIXED_IPS_KEYS = (
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IP_ADDRESS, SUBNET
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) = (
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'ip_address', 'subnet'
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)
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ATTRIBUTES = (
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STATUS, EXTERNAL_GATEWAY_INFO_ATTR, NAME_ATTR, ADMIN_STATE_UP_ATTR,
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TENANT_ID,
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) = (
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'status', 'external_gateway_info', 'name', 'admin_state_up',
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'tenant_id',
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)
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properties_schema = {
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NAME: properties.Schema(
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properties.Schema.STRING,
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_('The name of the router.'),
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update_allowed=True
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),
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EXTERNAL_GATEWAY: properties.Schema(
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properties.Schema.MAP,
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_('External network gateway configuration for a router.'),
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schema={
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EXTERNAL_GATEWAY_NETWORK: properties.Schema(
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properties.Schema.STRING,
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_('ID or name of the external network for the gateway.'),
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required=True,
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update_allowed=True
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),
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EXTERNAL_GATEWAY_ENABLE_SNAT: properties.Schema(
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properties.Schema.BOOLEAN,
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_('Enables Source NAT on the router gateway. NOTE: The '
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'default policy setting in Neutron restricts usage of '
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'this property to administrative users only.'),
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update_allowed=True
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),
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EXTERNAL_GATEWAY_FIXED_IPS: properties.Schema(
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properties.Schema.LIST,
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_('External fixed IP addresses for the gateway.'),
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schema=properties.Schema(
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properties.Schema.MAP,
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schema={
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IP_ADDRESS: properties.Schema(
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properties.Schema.STRING,
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_('External fixed IP address.'),
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constraints=[
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constraints.CustomConstraint('ip_addr'),
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]
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),
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SUBNET: properties.Schema(
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properties.Schema.STRING,
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_('Subnet of external fixed IP address.'),
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constraints=[
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constraints.CustomConstraint(
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'neutron.subnet')
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]
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),
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}
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),
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update_allowed=True,
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support_status=support.SupportStatus(version='6.0.0')
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),
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},
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update_allowed=True
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),
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VALUE_SPECS: properties.Schema(
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properties.Schema.MAP,
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_('Extra parameters to include in the creation request.'),
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default={},
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update_allowed=True
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),
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ADMIN_STATE_UP: properties.Schema(
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properties.Schema.BOOLEAN,
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_('The administrative state of the router.'),
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default=True,
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update_allowed=True
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),
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L3_AGENT_ID: properties.Schema(
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properties.Schema.STRING,
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_('ID of the L3 agent. NOTE: The default policy setting in '
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'Neutron restricts usage of this property to administrative '
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'users only.'),
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update_allowed=True,
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support_status=support.SupportStatus(
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status=support.HIDDEN,
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version='6.0.0',
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previous_status=support.SupportStatus(
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status=support.DEPRECATED,
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version='2015.1',
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message=_('Use property %s.') % L3_AGENT_IDS,
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previous_status=support.SupportStatus(version='2014.1')
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)
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),
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),
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L3_AGENT_IDS: properties.Schema(
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properties.Schema.LIST,
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_('ID list of the L3 agent. User can specify multi-agents '
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'for highly available router. NOTE: The default policy '
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'setting in Neutron restricts usage of this property to '
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'administrative users only.'),
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schema=properties.Schema(
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properties.Schema.STRING,
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),
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update_allowed=True,
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support_status=support.SupportStatus(version='2015.1')
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),
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DISTRIBUTED: properties.Schema(
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properties.Schema.BOOLEAN,
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_('Indicates whether or not to create a distributed router. '
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'NOTE: The default policy setting in Neutron restricts usage '
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'of this property to administrative users only. This property '
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'can not be used in conjunction with the L3 agent ID.'),
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support_status=support.SupportStatus(version='2015.1')
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),
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HA: properties.Schema(
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properties.Schema.BOOLEAN,
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_('Indicates whether or not to create a highly available router. '
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'NOTE: The default policy setting in Neutron restricts usage '
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'of this property to administrative users only. And now neutron '
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'do not support distributed and ha at the same time.'),
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support_status=support.SupportStatus(version='2015.1')
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),
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}
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attributes_schema = {
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STATUS: attributes.Schema(
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_("The status of the router."),
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type=attributes.Schema.STRING
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),
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EXTERNAL_GATEWAY_INFO_ATTR: attributes.Schema(
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_("Gateway network for the router."),
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type=attributes.Schema.MAP
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),
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NAME_ATTR: attributes.Schema(
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_("Friendly name of the router."),
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type=attributes.Schema.STRING
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),
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ADMIN_STATE_UP_ATTR: attributes.Schema(
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_("Administrative state of the router."),
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type=attributes.Schema.STRING
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),
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TENANT_ID: attributes.Schema(
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_("Tenant owning the router."),
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type=attributes.Schema.STRING
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),
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}
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def translation_rules(self, props):
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rules = [
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translation.TranslationRule(
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props,
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translation.TranslationRule.RESOLVE,
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[self.EXTERNAL_GATEWAY, self.EXTERNAL_GATEWAY_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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translation.TranslationRule(
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props,
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translation.TranslationRule.RESOLVE,
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[self.EXTERNAL_GATEWAY, self.EXTERNAL_GATEWAY_FIXED_IPS,
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self.SUBNET],
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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='subnet')
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]
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if props.get(self.L3_AGENT_ID):
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rules.extend([
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translation.TranslationRule(
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props,
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translation.TranslationRule.ADD,
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[self.L3_AGENT_IDS],
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[props.get(self.L3_AGENT_ID)]),
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translation.TranslationRule(
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props,
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translation.TranslationRule.DELETE,
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[self.L3_AGENT_ID]
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)])
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return rules
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def validate(self):
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super(Router, self).validate()
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is_distributed = self.properties[self.DISTRIBUTED]
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l3_agent_id = self.properties[self.L3_AGENT_ID]
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l3_agent_ids = self.properties[self.L3_AGENT_IDS]
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is_ha = self.properties[self.HA]
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if l3_agent_id and l3_agent_ids:
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raise exception.ResourcePropertyConflict(self.L3_AGENT_ID,
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self.L3_AGENT_IDS)
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# do not specific l3 agent when creating a distributed router
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if is_distributed and (l3_agent_id or l3_agent_ids):
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raise exception.ResourcePropertyConflict(
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self.DISTRIBUTED,
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"/".join([self.L3_AGENT_ID, self.L3_AGENT_IDS]))
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if is_ha and is_distributed:
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raise exception.ResourcePropertyConflict(self.DISTRIBUTED,
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self.HA)
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if not is_ha and l3_agent_ids and len(l3_agent_ids) > 1:
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msg = _('Non HA routers can only have one L3 agent.')
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raise exception.StackValidationFailed(message=msg)
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def add_dependencies(self, deps):
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super(Router, self).add_dependencies(deps)
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external_gw = self.properties[self.EXTERNAL_GATEWAY]
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if external_gw:
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external_gw_net = external_gw.get(self.EXTERNAL_GATEWAY_NETWORK)
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for res in six.itervalues(self.stack):
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if res.has_interface('OS::Neutron::Subnet'):
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subnet_net = res.properties.get(subnet.Subnet.NETWORK)
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if subnet_net == external_gw_net:
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deps += (self, res)
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def _resolve_gateway(self, props):
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gateway = props.get(self.EXTERNAL_GATEWAY)
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if gateway:
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gateway['network_id'] = gateway.pop(self.EXTERNAL_GATEWAY_NETWORK)
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if gateway[self.EXTERNAL_GATEWAY_ENABLE_SNAT] is None:
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del gateway[self.EXTERNAL_GATEWAY_ENABLE_SNAT]
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if gateway[self.EXTERNAL_GATEWAY_FIXED_IPS] is None:
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del gateway[self.EXTERNAL_GATEWAY_FIXED_IPS]
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else:
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self._resolve_subnet(gateway)
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return props
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def _get_l3_agent_list(self, props):
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l3_agent_id = props.pop(self.L3_AGENT_ID, None)
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l3_agent_ids = props.pop(self.L3_AGENT_IDS, None)
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if not l3_agent_ids and l3_agent_id:
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l3_agent_ids = [l3_agent_id]
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return l3_agent_ids
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def _resolve_subnet(self, gateway):
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external_gw_fixed_ips = gateway[self.EXTERNAL_GATEWAY_FIXED_IPS]
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for fixed_ip in external_gw_fixed_ips:
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for key, value in six.iteritems(fixed_ip):
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if value is None:
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fixed_ip.pop(key)
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if self.SUBNET in fixed_ip:
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fixed_ip['subnet_id'] = fixed_ip.pop(self.SUBNET)
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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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self._resolve_gateway(props)
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l3_agent_ids = self._get_l3_agent_list(props)
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router = self.client().create_router({'router': props})['router']
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self.resource_id_set(router['id'])
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if l3_agent_ids:
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self._replace_agent(l3_agent_ids)
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def check_create_complete(self, *args):
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attributes = self._show_resource()
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return self.is_built(attributes)
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def handle_delete(self):
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try:
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self.client().delete_router(self.resource_id)
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except Exception as ex:
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self.client_plugin().ignore_not_found(ex)
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else:
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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 self.EXTERNAL_GATEWAY in prop_diff:
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self._resolve_gateway(prop_diff)
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if self.L3_AGENT_IDS in prop_diff or self.L3_AGENT_ID in prop_diff:
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l3_agent_ids = self._get_l3_agent_list(prop_diff)
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self._replace_agent(l3_agent_ids)
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if prop_diff:
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self.prepare_update_properties(prop_diff)
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self.client().update_router(
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self.resource_id, {'router': prop_diff})
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def _replace_agent(self, l3_agent_ids=None):
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ret = self.client().list_l3_agent_hosting_routers(
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self.resource_id)
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for agent in ret['agents']:
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self.client().remove_router_from_l3_agent(
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agent['id'], self.resource_id)
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if l3_agent_ids:
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for l3_agent_id in l3_agent_ids:
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self.client().add_router_to_l3_agent(
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l3_agent_id, {'router_id': self.resource_id})
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class RouterInterface(neutron.NeutronResource):
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"""A resource for managing Neutron router interfaces.
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Router interfaces associate routers with existing subnets or ports.
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"""
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required_service_extension = 'router'
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PROPERTIES = (
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ROUTER, ROUTER_ID, SUBNET_ID, SUBNET, PORT_ID, PORT
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) = (
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'router', 'router_id', 'subnet_id', 'subnet', 'port_id', 'port'
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)
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properties_schema = {
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ROUTER: properties.Schema(
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properties.Schema.STRING,
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_('The router.'),
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required=True,
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constraints=[
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constraints.CustomConstraint('neutron.router')
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],
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),
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ROUTER_ID: properties.Schema(
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properties.Schema.STRING,
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_('ID of the router.'),
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support_status=support.SupportStatus(
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status=support.HIDDEN,
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version='6.0.0',
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previous_status=support.SupportStatus(
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status=support.DEPRECATED,
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message=_('Use property %s.') % ROUTER,
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version='2015.1',
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previous_status=support.SupportStatus(version='2013.1')
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)
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),
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constraints=[
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constraints.CustomConstraint('neutron.router')
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],
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),
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SUBNET_ID: properties.Schema(
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properties.Schema.STRING,
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support_status=support.SupportStatus(
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status=support.HIDDEN,
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message=_('Use property %s.') % SUBNET,
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version='5.0.0',
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previous_status=support.SupportStatus(
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status=support.DEPRECATED,
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version='2014.2'
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)
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),
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constraints=[
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constraints.CustomConstraint('neutron.subnet')
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]
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),
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SUBNET: properties.Schema(
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properties.Schema.STRING,
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_('The subnet, either subnet or port should be '
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'specified.'),
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constraints=[
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constraints.CustomConstraint('neutron.subnet')
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]
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),
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PORT_ID: properties.Schema(
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properties.Schema.STRING,
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_('The port id, either subnet or port_id should be specified.'),
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support_status=support.SupportStatus(
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status=support.HIDDEN,
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version='6.0.0',
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previous_status=support.SupportStatus(
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status=support.DEPRECATED,
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message=_('Use property %s.') % PORT,
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version='2015.1',
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previous_status=support.SupportStatus(version='2014.1')
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)
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),
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constraints=[
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constraints.CustomConstraint('neutron.port')
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]
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),
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PORT: properties.Schema(
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properties.Schema.STRING,
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_('The port, either subnet or port should be specified.'),
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support_status=support.SupportStatus(version='2015.1'),
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constraints=[
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constraints.CustomConstraint('neutron.port')
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]
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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.REPLACE,
|
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[self.PORT],
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value_path=[self.PORT_ID]
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),
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translation.TranslationRule(
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props,
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translation.TranslationRule.REPLACE,
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[self.ROUTER],
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value_path=[self.ROUTER_ID]
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),
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translation.TranslationRule(
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props,
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translation.TranslationRule.REPLACE,
|
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[self.SUBNET],
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value_path=[self.SUBNET_ID]
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),
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translation.TranslationRule(
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props,
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translation.TranslationRule.RESOLVE,
|
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[self.PORT],
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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='port'
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),
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translation.TranslationRule(
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props,
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translation.TranslationRule.RESOLVE,
|
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[self.ROUTER],
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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='router'
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),
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translation.TranslationRule(
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props,
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translation.TranslationRule.RESOLVE,
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[self.SUBNET],
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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='subnet'
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)
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|
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]
|
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def validate(self):
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"""Validate any of the provided params."""
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super(RouterInterface, self).validate()
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prop_subnet_exists = self.properties.get(self.SUBNET) is not None
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prop_port_exists = self.properties.get(self.PORT) is not None
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if prop_subnet_exists and prop_port_exists:
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raise exception.ResourcePropertyConflict(self.SUBNET,
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self.PORT)
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if not prop_subnet_exists and not prop_port_exists:
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raise exception.PropertyUnspecifiedError(self.SUBNET,
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self.PORT)
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def handle_create(self):
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router_id = dict(self.properties).get(self.ROUTER)
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key = 'subnet_id'
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value = dict(self.properties).get(self.SUBNET)
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if not value:
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key = 'port_id'
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value = dict(self.properties).get(self.PORT)
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self.client().add_interface_router(
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router_id,
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{key: value})
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self.resource_id_set('%s:%s=%s' % (router_id, key, value))
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def handle_delete(self):
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if not self.resource_id:
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return
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tokens = self.resource_id.replace('=', ':').split(':')
|
|
if len(tokens) == 2: # compatible with old data
|
|
tokens.insert(1, 'subnet_id')
|
|
(router_id, key, value) = tokens
|
|
with self.client_plugin().ignore_not_found:
|
|
self.client().remove_interface_router(
|
|
router_id,
|
|
{key: value})
|
|
|
|
|
|
class RouterGateway(neutron.NeutronResource):
|
|
|
|
support_status = support.SupportStatus(
|
|
status=support.HIDDEN,
|
|
message=_('Use the `external_gateway_info` property in '
|
|
'the router resource to set up the gateway.'),
|
|
version='5.0.0',
|
|
previous_status=support.SupportStatus(
|
|
status=support.DEPRECATED,
|
|
version='2014.1'
|
|
)
|
|
)
|
|
|
|
PROPERTIES = (
|
|
ROUTER_ID, NETWORK_ID, NETWORK,
|
|
) = (
|
|
'router_id', 'network_id', 'network'
|
|
)
|
|
|
|
properties_schema = {
|
|
ROUTER_ID: properties.Schema(
|
|
properties.Schema.STRING,
|
|
_('ID of the router.'),
|
|
required=True,
|
|
constraints=[
|
|
constraints.CustomConstraint('neutron.router')
|
|
]
|
|
),
|
|
NETWORK_ID: properties.Schema(
|
|
properties.Schema.STRING,
|
|
support_status=support.SupportStatus(
|
|
status=support.HIDDEN,
|
|
message=_('Use property %s.') % NETWORK,
|
|
version='9.0.0',
|
|
previous_status=support.SupportStatus(
|
|
status=support.DEPRECATED,
|
|
version='2014.2'
|
|
)
|
|
),
|
|
constraints=[
|
|
constraints.CustomConstraint('neutron.network')
|
|
],
|
|
),
|
|
NETWORK: properties.Schema(
|
|
properties.Schema.STRING,
|
|
_('external network for the gateway.'),
|
|
constraints=[
|
|
constraints.CustomConstraint('neutron.network')
|
|
],
|
|
),
|
|
|
|
}
|
|
|
|
def translation_rules(self, props):
|
|
return [
|
|
translation.TranslationRule(
|
|
props,
|
|
translation.TranslationRule.REPLACE,
|
|
[self.NETWORK],
|
|
value_path=[self.NETWORK_ID]
|
|
),
|
|
translation.TranslationRule(
|
|
props,
|
|
translation.TranslationRule.RESOLVE,
|
|
[self.NETWORK],
|
|
client_plugin=self.client_plugin(),
|
|
finder='find_resourceid_by_name_or_id',
|
|
entity='network'
|
|
)
|
|
|
|
]
|
|
|
|
def add_dependencies(self, deps):
|
|
super(RouterGateway, self).add_dependencies(deps)
|
|
for resource in six.itervalues(self.stack):
|
|
# depend on any RouterInterface in this template with the same
|
|
# router_id as this router_id
|
|
if resource.has_interface('OS::Neutron::RouterInterface'):
|
|
dep_router_id = resource.properties[RouterInterface.ROUTER]
|
|
router_id = self.properties[self.ROUTER_ID]
|
|
if dep_router_id == router_id:
|
|
deps += (self, resource)
|
|
# depend on any subnet in this template with the same network_id
|
|
# as this network_id, as the gateway implicitly creates a port
|
|
# on that subnet
|
|
if resource.has_interface('OS::Neutron::Subnet'):
|
|
dep_network = resource.properties[subnet.Subnet.NETWORK]
|
|
network = self.properties[self.NETWORK]
|
|
if dep_network == network:
|
|
deps += (self, resource)
|
|
|
|
def handle_create(self):
|
|
router_id = self.properties[self.ROUTER_ID]
|
|
network_id = dict(self.properties).get(self.NETWORK)
|
|
self.client().add_gateway_router(
|
|
router_id,
|
|
{'network_id': network_id})
|
|
self.resource_id_set('%s:%s' % (router_id, network_id))
|
|
|
|
def handle_delete(self):
|
|
if not self.resource_id:
|
|
return
|
|
|
|
(router_id, network_id) = self.resource_id.split(':')
|
|
with self.client_plugin().ignore_not_found:
|
|
self.client().remove_gateway_router(router_id)
|
|
|
|
|
|
def resource_mapping():
|
|
return {
|
|
'OS::Neutron::Router': Router,
|
|
'OS::Neutron::RouterInterface': RouterInterface,
|
|
'OS::Neutron::RouterGateway': RouterGateway,
|
|
}
|