89 lines
3.0 KiB
Python
89 lines
3.0 KiB
Python
# Copyright (c) 2016 Mirantis, Inc.
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# All Rights Reserved.
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#
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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 oslo_cache import core as cache
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from oslo_config import cfg
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from kuryr_kubernetes import clients
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from kuryr_kubernetes import config
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from kuryr_kubernetes.controller.drivers import base
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from kuryr_kubernetes import os_vif_util
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CONF = cfg.CONF
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subnet_caching_opts = [
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cfg.BoolOpt('caching', default=True),
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cfg.IntOpt('cache_time', default=3600),
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]
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CONF.register_opts(subnet_caching_opts, "subnet_caching")
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cache.configure(CONF)
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subnet_cache_region = cache.create_region()
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MEMOIZE = cache.get_memoization_decorator(
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CONF, subnet_cache_region, "subnet_caching")
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cache.configure_cache_region(CONF, subnet_cache_region)
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@MEMOIZE
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def _get_subnet(subnet_id):
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neutron = clients.get_neutron_client()
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n_subnet = neutron.show_subnet(subnet_id).get('subnet')
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network_id = n_subnet['network_id']
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n_network = neutron.show_network(network_id).get('network')
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subnet = os_vif_util.neutron_to_osvif_subnet(n_subnet)
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network = os_vif_util.neutron_to_osvif_network(n_network)
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network.subnets.objects.append(subnet)
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return network
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class DefaultPodSubnetDriver(base.PodSubnetsDriver):
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"""Provides subnet for Pod port based on a configuration option."""
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def get_subnets(self, pod, project_id):
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subnet_id = config.CONF.neutron_defaults.pod_subnet
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if not subnet_id:
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# NOTE(ivc): this option is only required for
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# DefaultPodSubnetDriver and its subclasses, but it may be
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# optional for other drivers (e.g. when each namespace has own
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# subnet)
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raise cfg.RequiredOptError('pod_subnet',
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cfg.OptGroup('neutron_defaults'))
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return {subnet_id: _get_subnet(subnet_id)}
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class DefaultServiceSubnetDriver(base.ServiceSubnetsDriver):
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"""Provides subnet for Service's LBaaS based on a configuration option."""
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def get_subnets(self, service, project_id):
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subnet_id = config.CONF.neutron_defaults.service_subnet
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if not subnet_id:
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# NOTE(ivc): this option is only required for
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# DefaultServiceSubnetDriver and its subclasses, but it may be
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# optional for other drivers (e.g. when each namespace has own
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# subnet)
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raise cfg.RequiredOptError('service_subnet',
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cfg.OptGroup('neutron_defaults'))
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return {subnet_id: _get_subnet(subnet_id)}
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