346 lines
13 KiB
Python
346 lines
13 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2013 PLUMgrid, Inc. 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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#
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# @author: Edgar Magana, emagana@plumgrid.com, PLUMgrid, Inc.
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"""
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Quantum PLUMgrid Plug-in for PLUMgrid Virtual Technology
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This plugin will forward authenticated REST API calls
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to the Network Operating System by PLUMgrid called NOS
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"""
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import sys
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from oslo.config import cfg
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from quantum.db import api as db
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from quantum.db import db_base_plugin_v2
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from quantum.openstack.common import log as logging
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from quantum.plugins.plumgrid.common import exceptions as plum_excep
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from quantum.plugins.plumgrid.plumgrid_nos_plugin import plumgrid_nos_snippets
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from quantum.plugins.plumgrid.plumgrid_nos_plugin import rest_connection
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from quantum.plugins.plumgrid.plumgrid_nos_plugin.plugin_ver import VERSION
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LOG = logging.getLogger(__name__)
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nos_server_opts = [
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cfg.StrOpt('nos_server', default='localhost',
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help=_("PLUMgrid NOS server to connect to")),
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cfg.StrOpt('nos_server_port', default='8080',
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help=_("PLUMgrid NOS server port to connect to")),
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cfg.StrOpt('username', default='username',
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help=_("PLUMgrid NOS admin username")),
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cfg.StrOpt('password', default='password', secret=True,
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help=_("PLUMgrid NOS admin password")),
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cfg.IntOpt('servertimeout', default=5,
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help=_("PLUMgrid NOS server timeout")),
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cfg.IntOpt('topologyname', default='t1',
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help=_("PLUMgrid NOS topology name")), ]
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cfg.CONF.register_opts(nos_server_opts, "PLUMgridNOS")
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class QuantumPluginPLUMgridV2(db_base_plugin_v2.QuantumDbPluginV2):
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def __init__(self):
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LOG.info(_('QuantumPluginPLUMgrid Status: Starting Plugin'))
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# PLUMgrid NOS configuration
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nos_plumgrid = cfg.CONF.PLUMgridNOS.nos_server
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nos_port = cfg.CONF.PLUMgridNOS.nos_server_port
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timeout = cfg.CONF.PLUMgridNOS.servertimeout
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self.topology_name = cfg.CONF.PLUMgridNOS.topologyname
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self.snippets = plumgrid_nos_snippets.DataNOSPLUMgrid()
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# TODO: (Edgar) These are placeholders for next PLUMgrid release
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nos_username = cfg.CONF.PLUMgridNOS.username
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nos_password = cfg.CONF.PLUMgridNOS.password
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self.rest_conn = rest_connection.RestConnection(nos_plumgrid,
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nos_port, timeout)
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if self.rest_conn is None:
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raise SystemExit(_('QuantumPluginPLUMgrid Status: '
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'Aborting Plugin'))
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else:
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# Plugin DB initialization
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db.configure_db()
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# PLUMgrid NOS info validation
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LOG.info(_('QuantumPluginPLUMgrid NOS: %s'), nos_plumgrid)
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if not nos_plumgrid:
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raise SystemExit(_('QuantumPluginPLUMgrid Status: '
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'NOS value is missing in config file'))
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LOG.debug(_('QuantumPluginPLUMgrid Status: Quantum server with '
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'PLUMgrid Plugin has started'))
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def create_network(self, context, network):
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"""
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Create network core Quantum API
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"""
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LOG.debug(_('QuantumPluginPLUMgrid Status: create_network() called'))
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# Plugin DB - Network Create and validation
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tenant_id = self._get_tenant_id_for_create(context,
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network["network"])
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self._network_admin_state(network)
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with context.session.begin(subtransactions=True):
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net = super(QuantumPluginPLUMgridV2, self).create_network(context,
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network)
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try:
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LOG.debug(_('QuantumPluginPLUMgrid Status: %s, %s, %s'),
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tenant_id, network["network"], net["id"])
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nos_url = self.snippets.BASE_NOS_URL + net["id"]
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headers = {}
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body_data = self.snippets.create_domain_body_data(tenant_id)
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self.rest_conn.nos_rest_conn(nos_url,
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'PUT', body_data, headers)
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except:
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err_message = _("PLUMgrid NOS communication failed")
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LOG.Exception(err_message)
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raise plum_excep.PLUMgridException(err_message)
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# return created network
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return net
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def update_network(self, context, net_id, network):
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"""
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Update network core Quantum API
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"""
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LOG.debug(_("QuantumPluginPLUMgridV2.update_network() called"))
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self._network_admin_state(network)
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tenant_id = self._get_tenant_id_for_create(context, network["network"])
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# Get initial network details
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original_net = super(QuantumPluginPLUMgridV2, self).get_network(
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context, net_id)
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with context.session.begin(subtransactions=True):
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# Plugin DB - Network Update
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new_network = super(
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QuantumPluginPLUMgridV2, self).update_network(context,
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net_id, network)
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try:
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# PLUMgrid Server does not support updating resources yet
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nos_url = self.snippets.BASE_NOS_URL + net_id
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headers = {}
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body_data = {}
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self.rest_conn.nos_rest_conn(nos_url,
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'DELETE', body_data, headers)
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nos_url = self.snippets.BASE_NOS_URL + new_network["id"]
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body_data = self.snippets.create_domain_body_data(tenant_id)
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self.rest_conn.nos_rest_conn(nos_url,
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'PUT', body_data, headers)
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except:
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err_message = _("PLUMgrid NOS communication failed")
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LOG.Exception(err_message)
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raise plum_excep.PLUMgridException(err_message)
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# return updated network
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return new_network
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def delete_network(self, context, net_id):
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"""
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Delete network core Quantum API
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"""
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LOG.debug(_("QuantumPluginPLUMgrid Status: delete_network() called"))
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super(QuantumPluginPLUMgridV2, self).get_network(context, net_id)
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with context.session.begin(subtransactions=True):
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# Plugin DB - Network Delete
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net_deleted = super(QuantumPluginPLUMgridV2,
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self).delete_network(context, net_id)
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try:
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nos_url = self.snippets.BASE_NOS_URL + net_id
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headers = {}
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body_data = {}
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self.rest_conn.nos_rest_conn(nos_url,
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'DELETE', body_data, headers)
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except:
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err_message = _("PLUMgrid NOS communication failed")
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LOG.Exception(err_message)
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raise plum_excep.PLUMgridException(err_message)
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def create_port(self, context, port):
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"""
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Create port core Quantum API
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"""
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LOG.debug(_("QuantumPluginPLUMgrid Status: create_port() called"))
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# Port operations on PLUMgrid NOS is an automatic operation from the
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# VIF driver operations in Nova. It requires admin_state_up to be True
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port["port"]["admin_state_up"] = True
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# Plugin DB - Port Create and Return port
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return super(QuantumPluginPLUMgridV2, self).create_port(context,
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port)
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def update_port(self, context, port_id, port):
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"""
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Update port core Quantum API
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"""
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LOG.debug(_("QuantumPluginPLUMgrid Status: update_port() called"))
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# Port operations on PLUMgrid NOS is an automatic operation from the
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# VIF driver operations in Nova.
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# Plugin DB - Port Update
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return super(QuantumPluginPLUMgridV2, self).update_port(
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context, port_id, port)
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def delete_port(self, context, port_id):
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"""
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Delete port core Quantum API
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"""
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LOG.debug(_("QuantumPluginPLUMgrid Status: delete_port() called"))
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# Port operations on PLUMgrid NOS is an automatic operation from the
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# VIF driver operations in Nova.
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# Plugin DB - Port Delete
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super(QuantumPluginPLUMgridV2, self).delete_port(context, port_id)
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def create_subnet(self, context, subnet):
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"""
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Create subnet core Quantum API
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"""
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LOG.debug(_("QuantumPluginPLUMgrid Status: create_subnet() called"))
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with context.session.begin(subtransactions=True):
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# Plugin DB - Subnet Create
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subnet = super(QuantumPluginPLUMgridV2, self).create_subnet(
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context, subnet)
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subnet_details = self._get_subnet(context, subnet["id"])
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net_id = subnet_details["network_id"]
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tenant_id = subnet_details["tenant_id"]
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try:
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nos_url = self.snippets.BASE_NOS_URL + net_id
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headers = {}
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body_data = self.snippets.create_network_body_data(
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tenant_id, self.topology_name)
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self.rest_conn.nos_rest_conn(nos_url,
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'PUT', body_data, headers)
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except:
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err_message = _("PLUMgrid NOS communication failed: ")
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LOG.Exception(err_message)
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raise plum_excep.PLUMgridException(err_message)
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return subnet
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def delete_subnet(self, context, subnet_id):
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"""
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Delete subnet core Quantum API
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"""
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LOG.debug(_("QuantumPluginPLUMgrid Status: delete_subnet() called"))
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#Collecting subnet info
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subnet_details = self._get_subnet(context, subnet_id)
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with context.session.begin(subtransactions=True):
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# Plugin DB - Subnet Delete
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del_subnet = super(QuantumPluginPLUMgridV2, self).delete_subnet(
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context, subnet_id)
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try:
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headers = {}
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body_data = {}
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net_id = subnet_details["network_id"]
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self._cleaning_nos_subnet_structure(body_data, headers, net_id)
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except:
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err_message = _("PLUMgrid NOS communication failed: ")
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LOG.Exception(err_message)
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raise plum_excep.PLUMgridException(err_message)
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return del_subnet
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def update_subnet(self, context, subnet_id, subnet):
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"""
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Update subnet core Quantum API
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"""
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LOG.debug(_("update_subnet() called"))
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#Collecting subnet info
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initial_subnet = self._get_subnet(context, subnet_id)
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net_id = initial_subnet["network_id"]
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tenant_id = initial_subnet["tenant_id"]
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with context.session.begin(subtransactions=True):
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# Plugin DB - Subnet Update
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new_subnet = super(QuantumPluginPLUMgridV2, self).update_subnet(
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context, subnet_id, subnet)
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try:
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# PLUMgrid Server does not support updating resources yet
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headers = {}
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body_data = {}
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self._cleaning_nos_subnet_structure(body_data, headers, net_id)
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nos_url = self.snippets.BASE_NOS_URL + net_id
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body_data = self.snippets.create_network_body_data(
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tenant_id, self.topology_name)
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self.rest_conn.nos_rest_conn(nos_url,
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'PUT', body_data, headers)
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except:
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err_message = _("PLUMgrid NOS communication failed: ")
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LOG.Exception(err_message)
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raise plum_excep.PLUMgridException(err_message)
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return new_subnet
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"""
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Extension API implementation
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"""
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# TODO: (Edgar) Complete extensions for PLUMgrid
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"""
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Internal PLUMgrid fuctions
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"""
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def _get_plugin_version(self):
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return VERSION
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def _cleaning_nos_subnet_structure(self, body_data, headers, net_id):
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domain_structure = ['/properties', '/link', '/ne']
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for structure in domain_structure:
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nos_url = self.snippets.BASE_NOS_URL + net_id + structure
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self.rest_conn.nos_rest_conn(nos_url, 'DELETE', body_data, headers)
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def _network_admin_state(self, network):
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try:
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if network["network"].get("admin_state_up"):
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network_name = network["network"]["name"]
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if network["network"]["admin_state_up"] is False:
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LOG.warning(_("Network with admin_state_up=False are not "
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"supported yet by this plugin. Ignoring "
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"setting for network %s"), network_name)
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except:
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err_message = _("Network Admin State Validation Falied: ")
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LOG.Exception(err_message)
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raise plum_excep.PLUMgridException(err_message)
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return network
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