e3f103f269
The VPNaaS plugin expects the driver to update the connection status from a separate process/thread/agent. When the user requests a connection/list, the status is retrived from the VPNaaS DB, without calling the driver. To avoid adding a process to actively query and update all connections statuses, this patch creates a new VPNaaS plugin, to be used instead of hte default one. This plugin (vmware_nsx_vpnaas) will issue a get-statuses call to the driver, update the current statuses in the DB, and call the original plugin. Change-Id: Ib750bfb8f0c8ad12265fa71506182ff5d7e8030a
66 lines
2.6 KiB
Python
66 lines
2.6 KiB
Python
# Copyright 2018 VMware, 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_log import log as logging
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from neutron_vpnaas.services.vpn import plugin
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LOG = logging.getLogger(__name__)
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class NsxVPNPlugin(plugin.VPNDriverPlugin):
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"""NSX plugin for VPNaaS.
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This plugin overrides get connection/s calls to issue a status update
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before them, and make sure the connections status is up to date
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"""
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def _update_nsx_connection_status(self, context, ipsec_site_conn_id):
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driver = self.drivers[self.default_provider]
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if hasattr(driver, 'get_ipsec_site_connection_status'):
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status = driver.get_ipsec_site_connection_status(
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context, ipsec_site_conn_id)
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if status:
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self._update_connection_status(context, ipsec_site_conn_id,
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status, False)
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def update_all_connection_status(self, context):
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connections = super(NsxVPNPlugin, self).get_ipsec_site_connections(
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context)
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if not connections:
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return
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# TODO(asarfaty): This will not scale well. Should use a bulk action
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# instead for the NSX api
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for connection in connections:
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self._update_nsx_connection_status(context, connection['id'])
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def get_ipsec_site_connection(self, context,
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ipsec_site_conn_id, fields=None):
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# update connection status
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if not fields or 'status' in fields:
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self._update_nsx_connection_status(context, ipsec_site_conn_id)
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# call super
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return super(NsxVPNPlugin, self).get_ipsec_site_connection(
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context, ipsec_site_conn_id, fields=fields)
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def get_ipsec_site_connections(self, context, filters=None, fields=None):
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# update connection status
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if not fields or 'status' in fields:
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self.update_all_connection_status(context)
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# call super
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return super(NsxVPNPlugin, self).get_ipsec_site_connections(
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context, filters=filters, fields=fields)
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