117 lines
3.5 KiB
Python
117 lines
3.5 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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import ipaddress
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import os
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from keystoneauth1 import session as k_session
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from kuryr.lib import utils
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from openstack import connection
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from openstack import exceptions as os_exc
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from kuryr_kubernetes import config
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from kuryr_kubernetes import k8s_client
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_clients = {}
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_NEUTRON_CLIENT = 'neutron-client'
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_KUBERNETES_CLIENT = 'kubernetes-client'
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_OPENSTACKSDK = 'openstacksdk'
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def get_network_client():
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return _clients[_OPENSTACKSDK].network
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def get_loadbalancer_client():
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return _clients[_OPENSTACKSDK].load_balancer
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def get_kubernetes_client() -> k8s_client.K8sClient:
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return _clients[_KUBERNETES_CLIENT]
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def get_compute_client():
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return _clients[_OPENSTACKSDK].compute
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def setup_clients():
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setup_kubernetes_client()
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setup_openstacksdk()
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def setup_kubernetes_client():
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if config.CONF.kubernetes.api_root:
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api_root = config.CONF.kubernetes.api_root
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else:
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# NOTE(dulek): This is for containerized deployments, i.e. running in
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# K8s Pods.
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host = os.environ['KUBERNETES_SERVICE_HOST']
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port = os.environ['KUBERNETES_SERVICE_PORT_HTTPS']
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try:
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addr = ipaddress.ip_address(host)
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if addr.version == 6:
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host = '[%s]' % host
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except ValueError:
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# It's not an IP addres but a hostname, it's fine, move along.
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pass
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api_root = "https://%s:%s" % (host, port)
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_clients[_KUBERNETES_CLIENT] = k8s_client.K8sClient(api_root)
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def get_neutron_error_type(ex):
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try:
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response = ex.response.json()
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except (ValueError, AttributeError):
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return None
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if response:
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try:
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return response['NeutronError']['type']
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except KeyError:
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pass
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return None
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def handle_neutron_errors(method, *args, **kwargs):
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"""Handle errors on openstacksdk router methods"""
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result = method(*args, **kwargs)
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if 'NeutronError' in result:
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error = result['NeutronError']
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if error['type'] in ('RouterNotFound',
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'RouterInterfaceNotFoundForSubnet',
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'SubnetNotFound'):
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raise os_exc.NotFoundException(message=error['message'])
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else:
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raise os_exc.SDKException(error['type'] + ": " + error['message'])
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return result
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def setup_openstacksdk():
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auth_plugin = utils.get_auth_plugin('neutron')
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session = utils.get_keystone_session('neutron', auth_plugin)
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# NOTE(mdulko): To get rid of warnings about connection pool being full
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# we need to "tweak" the keystoneauth's adapters increasing
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# the maximum pool size.
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for scheme in list(session.session.adapters):
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session.session.mount(scheme, k_session.TCPKeepAliveAdapter(
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pool_maxsize=1000))
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conn = connection.Connection(
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session=session,
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region_name=getattr(config.CONF.neutron, 'region_name', None))
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_clients[_OPENSTACKSDK] = conn
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