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#
# Copyright 2015 IBM Corp.
#
# All Rights Reserved.
# 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 neutronclient.common import exceptions
from heat.common import exception
from heat.common.i18n import _
from heat.engine import attributes
from heat.engine import constraints
from heat.engine import properties
from heat.engine.resources.openstack.neutron import neutron
from heat.engine import support
from heat.engine import translation
class LoadBalancer(neutron.NeutronResource):
"""A resource for creating LBaaS v2 Load Balancers.
This resource creates and manages Neutron LBaaS v2 Load Balancers,
which allows traffic to be directed between servers.
"""
support_status = support.SupportStatus(version='6.0.0')
required_service_extension = 'lbaasv2'
entity = 'loadbalancer'
PROPERTIES = (
DESCRIPTION, NAME, PROVIDER, VIP_ADDRESS, VIP_SUBNET,
ADMIN_STATE_UP, TENANT_ID
) = (
'description', 'name', 'provider', 'vip_address', 'vip_subnet',
'admin_state_up', 'tenant_id'
)
ATTRIBUTES = (
VIP_ADDRESS_ATTR, VIP_PORT_ATTR, VIP_SUBNET_ATTR, POOLS_ATTR
) = (
'vip_address', 'vip_port_id', 'vip_subnet_id', 'pools'
)
properties_schema = {
DESCRIPTION: properties.Schema(
properties.Schema.STRING,
_('Description of this Load Balancer.'),
update_allowed=True,
default=''
),
NAME: properties.Schema(
properties.Schema.STRING,
_('Name of this Load Balancer.'),
update_allowed=True
),
PROVIDER: properties.Schema(
properties.Schema.STRING,
_('Provider for this Load Balancer.'),
constraints=[
constraints.CustomConstraint('neutron.lbaas.provider')
],
),
VIP_ADDRESS: properties.Schema(
properties.Schema.STRING,
_('IP address for the VIP.'),
constraints=[
constraints.CustomConstraint('ip_addr')
],
),
VIP_SUBNET: properties.Schema(
properties.Schema.STRING,
_('The name or ID of the subnet on which to allocate the VIP '
'address.'),
constraints=[
constraints.CustomConstraint('neutron.subnet')
],
required=True
),
ADMIN_STATE_UP: properties.Schema(
properties.Schema.BOOLEAN,
_('The administrative state of this Load Balancer.'),
default=True,
update_allowed=True
),
TENANT_ID: properties.Schema(
properties.Schema.STRING,
_('The ID of the tenant who owns the Load Balancer. Only '
'administrative users can specify a tenant ID other than '
'their own.'),
constraints=[
constraints.CustomConstraint('keystone.project')
],
)
}
attributes_schema = {
VIP_ADDRESS_ATTR: attributes.Schema(
_('The VIP address of the LoadBalancer.'),
type=attributes.Schema.STRING
),
VIP_PORT_ATTR: attributes.Schema(
_('The VIP port of the LoadBalancer.'),
type=attributes.Schema.STRING
),
VIP_SUBNET_ATTR: attributes.Schema(
_('The VIP subnet of the LoadBalancer.'),
type=attributes.Schema.STRING
),
POOLS_ATTR: attributes.Schema(
_('Pools this LoadBalancer is associated with.'),
type=attributes.Schema.LIST,
support_status=support.SupportStatus(version='9.0.0')
),
}
def translation_rules(self, props):
client_plugin = self.client_plugin()
return [
translation.TranslationRule(
props,
translation.TranslationRule.RESOLVE,
[self.VIP_SUBNET],
client_plugin=client_plugin,
finder='find_resourceid_by_name_or_id',
entity=client_plugin.RES_TYPE_SUBNET
),
]
def handle_create(self):
properties = self.prepare_properties(
self.properties,
self.physical_resource_name()
)
properties['vip_subnet_id'] = properties.pop(self.VIP_SUBNET)
lb = self.client().create_loadbalancer(
{'loadbalancer': properties})['loadbalancer']
self.resource_id_set(lb['id'])
def check_create_complete(self, data):
return self.client_plugin().check_lb_status(self.resource_id)
def handle_update(self, json_snippet, tmpl_diff, prop_diff):
if prop_diff:
self.client().update_loadbalancer(
self.resource_id,
{'loadbalancer': prop_diff})
return prop_diff
def check_update_complete(self, prop_diff):
if prop_diff:
return self.client_plugin().check_lb_status(self.resource_id)
return True
def handle_delete(self):
pass
def check_delete_complete(self, data):
if self.resource_id is None:
return True
try:
try:
if self.client_plugin().check_lb_status(self.resource_id):
self.client().delete_loadbalancer(self.resource_id)
except exception.ResourceInError:
# Still try to delete loadbalancer in error state
self.client().delete_loadbalancer(self.resource_id)
except exceptions.NotFound:
# Resource is gone
return True
return False
def resource_mapping():
return {
'OS::Neutron::LBaaS::LoadBalancer': LoadBalancer
}
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