13f9e02a64
Blueprint make-authz-orthogonal This patch implements part #3 of this blueprint, according to its specification. It does so by allowing the view generator in the API layer to strip off fields which do not satify authorization policies. Also, some checks in unit tests for plugins relied on the capability of the plugin to invoke directly the policy engine. This checks have been removed and replaced by equivalent unit tests. Finally, this patch required changes to most test cases for API extensions in order to ensure the resource attribute map was updated with the extension's attributes Change-Id: I1ef94a8a628d34697254b68d7a539bd1c636876e
1248 lines
51 KiB
Python
1248 lines
51 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2012 Big Switch Networks, 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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#
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# @author: Mandeep Dhami, Big Switch Networks, Inc.
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# @author: Sumit Naiksatam, sumitnaiksatam@gmail.com, Big Switch Networks, Inc.
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"""
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Quantum REST Proxy Plug-in for Big Switch and FloodLight Controllers.
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QuantumRestProxy provides a generic quantum plugin that translates all plugin
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function calls to equivalent authenticated REST calls to a set of redundant
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external network controllers. It also keeps persistent store for all quantum
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state to allow for re-sync of the external controller(s), if required.
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The local state on the plugin also allows for local response and fast-fail
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semantics where it can be determined based on the local persistent store.
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Network controller specific code is decoupled from this plugin and expected
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to reside on the controller itself (via the REST interface).
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This allows for:
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- independent authentication and redundancy schemes between quantum and the
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network controller
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- independent upgrade/development cycles between quantum and the controller
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as it limits the proxy code upgrade requirement to quantum release cycle
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and the controller specific code upgrade requirement to controller code
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- ability to sync the controller with quantum for independent recovery/reset
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External REST API used by proxy is the same API as defined for quantum (JSON
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subset) with some additional parameters (gateway on network-create and macaddr
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on port-attach) on an additional PUT to do a bulk dump of all persistent data.
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"""
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import base64
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import copy
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import httplib
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import json
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import socket
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from oslo.config import cfg
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from quantum.api.rpc.agentnotifiers import dhcp_rpc_agent_api
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from quantum.common import constants as const
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from quantum.common import exceptions
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from quantum.common import rpc as q_rpc
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from quantum.common import topics
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from quantum.common import utils
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from quantum import context as qcontext
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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.db import dhcp_rpc_base
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from quantum.db import l3_db
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from quantum.extensions import l3
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from quantum.extensions import portbindings
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from quantum.openstack.common import lockutils
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from quantum.openstack.common import log as logging
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from quantum.openstack.common import rpc
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from quantum.plugins.bigswitch.version import version_string_with_vcs
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LOG = logging.getLogger(__name__)
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restproxy_opts = [
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cfg.StrOpt('servers', default='localhost:8800',
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help=_("A comma separated list of servers and port numbers "
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"to proxy request to.")),
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cfg.StrOpt('server_auth', default='username:password', secret=True,
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help=_("Server authentication")),
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cfg.BoolOpt('server_ssl', default=False,
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help=_("Use SSL to connect")),
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cfg.BoolOpt('sync_data', default=False,
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help=_("Sync data on connect")),
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cfg.IntOpt('server_timeout', default=10,
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help=_("Maximum number of seconds to wait for proxy request "
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"to connect and complete.")),
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cfg.StrOpt('quantum_id', default='Quantum-' + utils.get_hostname(),
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help=_("User defined identifier for this Quantum deployment")),
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cfg.BoolOpt('add_meta_server_route', default=True,
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help=_("Flag to decide if a route to the metadata server "
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"should be injected into the VM")),
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]
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cfg.CONF.register_opts(restproxy_opts, "RESTPROXY")
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# The following are used to invoke the API on the external controller
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NET_RESOURCE_PATH = "/tenants/%s/networks"
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PORT_RESOURCE_PATH = "/tenants/%s/networks/%s/ports"
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ROUTER_RESOURCE_PATH = "/tenants/%s/routers"
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ROUTER_INTF_OP_PATH = "/tenants/%s/routers/%s/interfaces"
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NETWORKS_PATH = "/tenants/%s/networks/%s"
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PORTS_PATH = "/tenants/%s/networks/%s/ports/%s"
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ATTACHMENT_PATH = "/tenants/%s/networks/%s/ports/%s/attachment"
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ROUTERS_PATH = "/tenants/%s/routers/%s"
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ROUTER_INTF_PATH = "/tenants/%s/routers/%s/interfaces/%s"
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SUCCESS_CODES = range(200, 207)
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FAILURE_CODES = [0, 301, 302, 303, 400, 401, 403, 404, 500, 501, 502, 503,
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504, 505]
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SYNTAX_ERROR_MESSAGE = 'Syntax error in server config file, aborting plugin'
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BASE_URI = '/networkService/v1.1'
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ORCHESTRATION_SERVICE_ID = 'Quantum v2.0'
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METADATA_SERVER_IP = '169.254.169.254'
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class RemoteRestError(exceptions.QuantumException):
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def __init__(self, message):
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if message is None:
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message = "None"
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self.message = _("Error in REST call to remote network "
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"controller") + ": " + message
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super(RemoteRestError, self).__init__()
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class ServerProxy(object):
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"""REST server proxy to a network controller."""
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def __init__(self, server, port, ssl, auth, quantum_id, timeout,
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base_uri, name):
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self.server = server
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self.port = port
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self.ssl = ssl
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self.base_uri = base_uri
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self.timeout = timeout
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self.name = name
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self.success_codes = SUCCESS_CODES
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self.auth = None
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self.quantum_id = quantum_id
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if auth:
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self.auth = 'Basic ' + base64.encodestring(auth).strip()
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@lockutils.synchronized('rest_call', 'bsn-', external=True)
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def rest_call(self, action, resource, data, headers):
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uri = self.base_uri + resource
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body = json.dumps(data)
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if not headers:
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headers = {}
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headers['Content-type'] = 'application/json'
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headers['Accept'] = 'application/json'
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headers['QuantumProxy-Agent'] = self.name
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headers['Instance-ID'] = self.quantum_id
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headers['Orchestration-Service-ID'] = ORCHESTRATION_SERVICE_ID
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if self.auth:
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headers['Authorization'] = self.auth
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LOG.debug(_("ServerProxy: server=%(server)s, port=%(port)d, "
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"ssl=%(ssl)r, action=%(action)s"),
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{'server': self.server, 'port': self.port, 'ssl': self.ssl,
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'action': action})
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LOG.debug(_("ServerProxy: resource=%(resource)s, data=%(data)r, "
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"headers=%(headers)r"),
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{'resource': resource, 'data': data, 'headers': headers})
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conn = None
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if self.ssl:
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conn = httplib.HTTPSConnection(
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self.server, self.port, timeout=self.timeout)
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if conn is None:
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LOG.error(_('ServerProxy: Could not establish HTTPS '
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'connection'))
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return 0, None, None, None
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else:
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conn = httplib.HTTPConnection(
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self.server, self.port, timeout=self.timeout)
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if conn is None:
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LOG.error(_('ServerProxy: Could not establish HTTP '
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'connection'))
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return 0, None, None, None
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try:
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conn.request(action, uri, body, headers)
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response = conn.getresponse()
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respstr = response.read()
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respdata = respstr
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if response.status in self.success_codes:
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try:
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respdata = json.loads(respstr)
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except ValueError:
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# response was not JSON, ignore the exception
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pass
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ret = (response.status, response.reason, respstr, respdata)
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except (socket.timeout, socket.error) as e:
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LOG.error(_('ServerProxy: %(action)s failure, %(e)r'),
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{'action': action, 'e': e})
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ret = 0, None, None, None
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conn.close()
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LOG.debug(_("ServerProxy: status=%(status)d, reason=%(reason)r, "
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"ret=%(ret)s, data=%(data)r"), {'status': ret[0],
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'reason': ret[1],
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'ret': ret[2],
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'data': ret[3]})
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return ret
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class ServerPool(object):
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def __init__(self, servers, ssl, auth, quantum_id, timeout=10,
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base_uri='/quantum/v1.0', name='QuantumRestProxy'):
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self.base_uri = base_uri
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self.timeout = timeout
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self.name = name
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self.auth = auth
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self.ssl = ssl
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self.quantum_id = quantum_id
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self.servers = []
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for server_port in servers:
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self.servers.append(self.server_proxy_for(*server_port))
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def server_proxy_for(self, server, port):
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return ServerProxy(server, port, self.ssl, self.auth, self.quantum_id,
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self.timeout, self.base_uri, self.name)
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def server_failure(self, resp):
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"""Define failure codes as required.
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Note: We assume 301-303 is a failure, and try the next server in
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the server pool.
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"""
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return resp[0] in FAILURE_CODES
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def action_success(self, resp):
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"""Defining success codes as required.
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Note: We assume any valid 2xx as being successful response.
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"""
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return resp[0] in SUCCESS_CODES
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def rest_call(self, action, resource, data, headers):
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failed_servers = []
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while self.servers:
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active_server = self.servers[0]
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ret = active_server.rest_call(action, resource, data, headers)
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if not self.server_failure(ret):
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self.servers.extend(failed_servers)
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return ret
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else:
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LOG.error(_('ServerProxy: %(action)s failure for servers: '
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'%(server)r'),
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{'action': action,
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'server': (active_server.server,
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active_server.port)})
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failed_servers.append(self.servers.pop(0))
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# All servers failed, reset server list and try again next time
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LOG.error(_('ServerProxy: %(action)s failure for all servers: '
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'%(server)r'),
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{'action': action,
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'server': tuple((s.server,
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s.port) for s in failed_servers)})
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self.servers.extend(failed_servers)
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return (0, None, None, None)
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def get(self, resource, data='', headers=None):
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return self.rest_call('GET', resource, data, headers)
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def put(self, resource, data, headers=None):
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return self.rest_call('PUT', resource, data, headers)
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def post(self, resource, data, headers=None):
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return self.rest_call('POST', resource, data, headers)
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def delete(self, resource, data='', headers=None):
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return self.rest_call('DELETE', resource, data, headers)
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class RpcProxy(dhcp_rpc_base.DhcpRpcCallbackMixin):
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RPC_API_VERSION = '1.0'
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def create_rpc_dispatcher(self):
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return q_rpc.PluginRpcDispatcher([self])
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class QuantumRestProxyV2(db_base_plugin_v2.QuantumDbPluginV2,
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l3_db.L3_NAT_db_mixin):
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supported_extension_aliases = ["router", "binding"]
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def __init__(self):
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LOG.info(_('QuantumRestProxy: Starting plugin. Version=%s'),
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version_string_with_vcs())
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# init DB, proxy's persistent store defaults to in-memory sql-lite DB
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db.configure_db()
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# 'servers' is the list of network controller REST end-points
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# (used in order specified till one suceeds, and it is sticky
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# till next failure). Use 'server_auth' to encode api-key
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servers = cfg.CONF.RESTPROXY.servers
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server_auth = cfg.CONF.RESTPROXY.server_auth
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server_ssl = cfg.CONF.RESTPROXY.server_ssl
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sync_data = cfg.CONF.RESTPROXY.sync_data
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timeout = cfg.CONF.RESTPROXY.server_timeout
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quantum_id = cfg.CONF.RESTPROXY.quantum_id
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self.add_meta_server_route = cfg.CONF.RESTPROXY.add_meta_server_route
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# validate config
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assert servers is not None, 'Servers not defined. Aborting plugin'
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servers = tuple(s.rsplit(':', 1) for s in servers.split(','))
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servers = tuple((server, int(port)) for server, port in servers)
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assert all(len(s) == 2 for s in servers), SYNTAX_ERROR_MESSAGE
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# init network ctrl connections
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self.servers = ServerPool(servers, server_ssl, server_auth, quantum_id,
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timeout, BASE_URI)
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# init dhcp support
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self.topic = topics.PLUGIN
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self.conn = rpc.create_connection(new=True)
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self.callbacks = RpcProxy()
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self.dispatcher = self.callbacks.create_rpc_dispatcher()
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self.conn.create_consumer(self.topic, self.dispatcher,
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fanout=False)
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# Consume from all consumers in a thread
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self.conn.consume_in_thread()
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if sync_data:
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self._send_all_data()
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self._dhcp_agent_notifier = dhcp_rpc_agent_api.DhcpAgentNotifyAPI()
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LOG.debug(_("QuantumRestProxyV2: initialization done"))
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def create_network(self, context, network):
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"""Create a network.
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Network represents an L2 network segment which can have a set of
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subnets and ports associated with it.
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:param context: quantum api request context
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:param network: dictionary describing the network
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:returns: a sequence of mappings with the following signature:
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{
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"id": UUID representing the network.
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"name": Human-readable name identifying the network.
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"tenant_id": Owner of network. NOTE: only admin user can specify
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a tenant_id other than its own.
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"admin_state_up": Sets admin state of network.
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if down, network does not forward packets.
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"status": Indicates whether network is currently operational
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(values are "ACTIVE", "DOWN", "BUILD", and "ERROR")
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"subnets": Subnets associated with this network.
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}
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:raises: RemoteRestError
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"""
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LOG.debug(_("QuantumRestProxyV2: create_network() called"))
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self._warn_on_state_status(network['network'])
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# Validate args
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tenant_id = self._get_tenant_id_for_create(context, network["network"])
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session = context.session
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with session.begin(subtransactions=True):
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# create network in DB
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new_net = super(QuantumRestProxyV2, self).create_network(context,
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network)
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self._process_l3_create(context, network['network'], new_net['id'])
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self._extend_network_dict_l3(context, new_net)
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# create network on the network controller
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try:
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resource = NET_RESOURCE_PATH % tenant_id
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mapped_network = self._get_mapped_network_with_subnets(new_net)
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data = {
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"network": mapped_network
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}
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ret = self.servers.post(resource, data)
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if not self.servers.action_success(ret):
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raise RemoteRestError(ret[2])
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except RemoteRestError as e:
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LOG.error(_("QuantumRestProxyV2:Unable to create remote "
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"network: %s"), e.message)
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super(QuantumRestProxyV2, self).delete_network(context,
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new_net['id'])
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raise
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# return created network
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return new_net
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def update_network(self, context, net_id, network):
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"""Updates the properties of a particular Virtual Network.
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:param context: quantum api request context
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:param net_id: uuid of the network to update
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:param network: dictionary describing the updates
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:returns: a sequence of mappings with the following signature:
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{
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"id": UUID representing the network.
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"name": Human-readable name identifying the network.
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"tenant_id": Owner of network. NOTE: only admin user can
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specify a tenant_id other than its own.
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"admin_state_up": Sets admin state of network.
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if down, network does not forward packets.
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"status": Indicates whether network is currently operational
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(values are "ACTIVE", "DOWN", "BUILD", and "ERROR")
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"subnets": Subnets associated with this network.
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}
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:raises: exceptions.NetworkNotFound
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:raises: RemoteRestError
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"""
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LOG.debug(_("QuantumRestProxyV2.update_network() called"))
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self._warn_on_state_status(network['network'])
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session = context.session
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with session.begin(subtransactions=True):
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orig_net = super(QuantumRestProxyV2, self).get_network(context,
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net_id)
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new_net = super(QuantumRestProxyV2, self).update_network(context,
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net_id,
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network)
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self._process_l3_update(context, network['network'], net_id)
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self._extend_network_dict_l3(context, new_net)
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# update network on network controller
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try:
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self._send_update_network(new_net)
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except RemoteRestError as e:
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LOG.error(_("QuantumRestProxyV2: Unable to update remote "
|
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"network: %s"), e.message)
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# reset network to original state
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super(QuantumRestProxyV2, self).update_network(context, id,
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orig_net)
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raise
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# return updated network
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return new_net
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|
|
|
def delete_network(self, context, net_id):
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|
"""Delete a network.
|
|
:param context: quantum api request context
|
|
:param id: UUID representing the network to delete.
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|
|
:returns: None
|
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|
|
:raises: exceptions.NetworkInUse
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:raises: exceptions.NetworkNotFound
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:raises: RemoteRestError
|
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"""
|
|
LOG.debug(_("QuantumRestProxyV2: delete_network() called"))
|
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|
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# Validate args
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|
orig_net = super(QuantumRestProxyV2, self).get_network(context, net_id)
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tenant_id = orig_net["tenant_id"]
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|
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filter = {'network_id': [net_id]}
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ports = self.get_ports(context, filters=filter)
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|
|
# check if there are any tenant owned ports in-use
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|
auto_delete_port_owners = db_base_plugin_v2.AUTO_DELETE_PORT_OWNERS
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only_auto_del = all(p['device_owner'] in auto_delete_port_owners
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for p in ports)
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|
|
|
if not only_auto_del:
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raise exceptions.NetworkInUse(net_id=net_id)
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|
|
# delete from network ctrl. Remote error on delete is ignored
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|
try:
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resource = NETWORKS_PATH % (tenant_id, net_id)
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ret = self.servers.delete(resource)
|
|
if not self.servers.action_success(ret):
|
|
raise RemoteRestError(ret[2])
|
|
ret_val = super(QuantumRestProxyV2, self).delete_network(context,
|
|
net_id)
|
|
return ret_val
|
|
except RemoteRestError as e:
|
|
LOG.error(_("QuantumRestProxyV2: Unable to update remote "
|
|
"network: %s"), e.message)
|
|
raise
|
|
|
|
def create_port(self, context, port):
|
|
"""Create a port, which is a connection point of a device
|
|
(e.g., a VM NIC) to attach to a L2 Quantum network.
|
|
:param context: quantum api request context
|
|
:param port: dictionary describing the port
|
|
|
|
:returns:
|
|
{
|
|
"id": uuid represeting the port.
|
|
"network_id": uuid of network.
|
|
"tenant_id": tenant_id
|
|
"mac_address": mac address to use on this port.
|
|
"admin_state_up": Sets admin state of port. if down, port
|
|
does not forward packets.
|
|
"status": dicates whether port is currently operational
|
|
(limit values to "ACTIVE", "DOWN", "BUILD", and "ERROR")
|
|
"fixed_ips": list of subnet ID"s and IP addresses to be used on
|
|
this port
|
|
"device_id": identifies the device (e.g., virtual server) using
|
|
this port.
|
|
}
|
|
|
|
:raises: exceptions.NetworkNotFound
|
|
:raises: exceptions.StateInvalid
|
|
:raises: RemoteRestError
|
|
"""
|
|
LOG.debug(_("QuantumRestProxyV2: create_port() called"))
|
|
|
|
# Update DB
|
|
port["port"]["admin_state_up"] = False
|
|
new_port = super(QuantumRestProxyV2, self).create_port(context, port)
|
|
net = super(QuantumRestProxyV2,
|
|
self).get_network(context, new_port["network_id"])
|
|
|
|
if self.add_meta_server_route:
|
|
if new_port['device_owner'] == 'network:dhcp':
|
|
destination = METADATA_SERVER_IP + '/32'
|
|
self._add_host_route(context, destination, new_port)
|
|
|
|
# create on networl ctrl
|
|
try:
|
|
resource = PORT_RESOURCE_PATH % (net["tenant_id"], net["id"])
|
|
mapped_port = self._map_state_and_status(new_port)
|
|
data = {
|
|
"port": mapped_port
|
|
}
|
|
ret = self.servers.post(resource, data)
|
|
if not self.servers.action_success(ret):
|
|
raise RemoteRestError(ret[2])
|
|
|
|
# connect device to network, if present
|
|
device_id = port["port"].get("device_id")
|
|
if device_id:
|
|
self._plug_interface(context,
|
|
net["tenant_id"], net["id"],
|
|
new_port["id"], device_id)
|
|
except RemoteRestError as e:
|
|
LOG.error(_("QuantumRestProxyV2: Unable to create remote port: "
|
|
"%s"), e.message)
|
|
super(QuantumRestProxyV2, self).delete_port(context,
|
|
new_port["id"])
|
|
raise
|
|
|
|
# Set port state up and return that port
|
|
port_update = {"port": {"admin_state_up": True}}
|
|
new_port = super(QuantumRestProxyV2, self).update_port(context,
|
|
new_port["id"],
|
|
port_update)
|
|
return self._extend_port_dict_binding(context, new_port)
|
|
|
|
def get_port(self, context, id, fields=None):
|
|
with context.session.begin(subtransactions=True):
|
|
port = super(QuantumRestProxyV2, self).get_port(context, id,
|
|
fields)
|
|
self._extend_port_dict_binding(context, port)
|
|
return self._fields(port, fields)
|
|
|
|
def get_ports(self, context, filters=None, fields=None):
|
|
with context.session.begin(subtransactions=True):
|
|
ports = super(QuantumRestProxyV2, self).get_ports(context, filters,
|
|
fields)
|
|
for port in ports:
|
|
self._extend_port_dict_binding(context, port)
|
|
return [self._fields(port, fields) for port in ports]
|
|
|
|
def update_port(self, context, port_id, port):
|
|
"""Update values of a port.
|
|
|
|
:param context: quantum api request context
|
|
:param id: UUID representing the port to update.
|
|
:param port: dictionary with keys indicating fields to update.
|
|
|
|
:returns: a mapping sequence with the following signature:
|
|
{
|
|
"id": uuid represeting the port.
|
|
"network_id": uuid of network.
|
|
"tenant_id": tenant_id
|
|
"mac_address": mac address to use on this port.
|
|
"admin_state_up": sets admin state of port. if down, port
|
|
does not forward packets.
|
|
"status": dicates whether port is currently operational
|
|
(limit values to "ACTIVE", "DOWN", "BUILD", and "ERROR")
|
|
"fixed_ips": list of subnet ID's and IP addresses to be used on
|
|
this port
|
|
"device_id": identifies the device (e.g., virtual server) using
|
|
this port.
|
|
}
|
|
|
|
:raises: exceptions.StateInvalid
|
|
:raises: exceptions.PortNotFound
|
|
:raises: RemoteRestError
|
|
"""
|
|
LOG.debug(_("QuantumRestProxyV2: update_port() called"))
|
|
|
|
self._warn_on_state_status(port['port'])
|
|
|
|
# Validate Args
|
|
orig_port = super(QuantumRestProxyV2, self).get_port(context, port_id)
|
|
|
|
# Update DB
|
|
new_port = super(QuantumRestProxyV2, self).update_port(context,
|
|
port_id, port)
|
|
|
|
# update on networl ctrl
|
|
try:
|
|
resource = PORTS_PATH % (orig_port["tenant_id"],
|
|
orig_port["network_id"], port_id)
|
|
mapped_port = self._map_state_and_status(new_port)
|
|
data = {"port": mapped_port}
|
|
ret = self.servers.put(resource, data)
|
|
if not self.servers.action_success(ret):
|
|
raise RemoteRestError(ret[2])
|
|
|
|
if new_port.get("device_id") != orig_port.get("device_id"):
|
|
if orig_port.get("device_id"):
|
|
self._unplug_interface(context, orig_port["tenant_id"],
|
|
orig_port["network_id"],
|
|
orig_port["id"])
|
|
device_id = new_port.get("device_id")
|
|
if device_id:
|
|
self._plug_interface(context, new_port["tenant_id"],
|
|
new_port["network_id"],
|
|
new_port["id"], device_id)
|
|
|
|
except RemoteRestError as e:
|
|
LOG.error(_("QuantumRestProxyV2: Unable to create remote port: "
|
|
"%s"), e.message)
|
|
# reset port to original state
|
|
super(QuantumRestProxyV2, self).update_port(context, port_id,
|
|
orig_port)
|
|
raise
|
|
|
|
# return new_port
|
|
return self._extend_port_dict_binding(context, new_port)
|
|
|
|
def delete_port(self, context, port_id, l3_port_check=True):
|
|
"""Delete a port.
|
|
|
|
:param context: quantum api request context
|
|
:param id: UUID representing the port to delete.
|
|
|
|
:raises: exceptions.PortInUse
|
|
:raises: exceptions.PortNotFound
|
|
:raises: exceptions.NetworkNotFound
|
|
:raises: RemoteRestError
|
|
"""
|
|
LOG.debug(_("QuantumRestProxyV2: delete_port() called"))
|
|
|
|
# if needed, check to see if this is a port owned by
|
|
# and l3-router. If so, we should prevent deletion.
|
|
if l3_port_check:
|
|
self.prevent_l3_port_deletion(context, port_id)
|
|
self.disassociate_floatingips(context, port_id)
|
|
|
|
super(QuantumRestProxyV2, self).delete_port(context, port_id)
|
|
|
|
def _delete_port(self, context, port_id):
|
|
# Delete from DB
|
|
port = super(QuantumRestProxyV2, self).get_port(context, port_id)
|
|
|
|
# delete from network ctrl. Remote error on delete is ignored
|
|
try:
|
|
resource = PORTS_PATH % (port["tenant_id"], port["network_id"],
|
|
port_id)
|
|
ret = self.servers.delete(resource)
|
|
if not self.servers.action_success(ret):
|
|
raise RemoteRestError(ret[2])
|
|
|
|
if port.get("device_id"):
|
|
self._unplug_interface(context, port["tenant_id"],
|
|
port["network_id"], port["id"])
|
|
ret_val = super(QuantumRestProxyV2, self)._delete_port(context,
|
|
port_id)
|
|
return ret_val
|
|
except RemoteRestError as e:
|
|
LOG.error(_("QuantumRestProxyV2: Unable to update remote port: "
|
|
"%s"), e.message)
|
|
raise
|
|
|
|
def _plug_interface(self, context, tenant_id, net_id, port_id,
|
|
remote_interface_id):
|
|
"""Plug remote interface to the network.
|
|
|
|
Attaches a remote interface to the specified port on the specified
|
|
Virtual Network.
|
|
|
|
:returns: None
|
|
|
|
:raises: exceptions.NetworkNotFound
|
|
:raises: exceptions.PortNotFound
|
|
:raises: RemoteRestError
|
|
"""
|
|
LOG.debug(_("QuantumRestProxyV2: _plug_interface() called"))
|
|
|
|
# update attachment on network controller
|
|
try:
|
|
port = super(QuantumRestProxyV2, self).get_port(context, port_id)
|
|
mac = port["mac_address"]
|
|
|
|
if mac is not None:
|
|
resource = ATTACHMENT_PATH % (tenant_id, net_id, port_id)
|
|
data = {"attachment":
|
|
{"id": remote_interface_id,
|
|
"mac": mac,
|
|
}
|
|
}
|
|
ret = self.servers.put(resource, data)
|
|
if not self.servers.action_success(ret):
|
|
raise RemoteRestError(ret[2])
|
|
except RemoteRestError as e:
|
|
LOG.error(_("QuantumRestProxyV2:Unable to update remote network: "
|
|
"%s"), e.message)
|
|
raise
|
|
|
|
def _unplug_interface(self, context, tenant_id, net_id, port_id):
|
|
"""Detach interface from the network controller.
|
|
|
|
Detaches a remote interface from the specified port on the network
|
|
controller.
|
|
|
|
:returns: None
|
|
|
|
:raises: RemoteRestError
|
|
"""
|
|
LOG.debug(_("QuantumRestProxyV2: _unplug_interface() called"))
|
|
|
|
# delete from network ctrl. Remote error on delete is ignored
|
|
try:
|
|
resource = ATTACHMENT_PATH % (tenant_id, net_id, port_id)
|
|
ret = self.servers.delete(resource)
|
|
if not self.servers.action_success(ret):
|
|
raise RemoteRestError(ret[2])
|
|
except RemoteRestError as e:
|
|
LOG.error(_("QuantumRestProxyV2: Unable to update remote port: "
|
|
"%s"), e.message)
|
|
|
|
def create_subnet(self, context, subnet):
|
|
LOG.debug(_("QuantumRestProxyV2: create_subnet() called"))
|
|
|
|
self._warn_on_state_status(subnet['subnet'])
|
|
|
|
# create subnet in DB
|
|
new_subnet = super(QuantumRestProxyV2, self).create_subnet(context,
|
|
subnet)
|
|
net_id = new_subnet['network_id']
|
|
orig_net = super(QuantumRestProxyV2, self).get_network(context,
|
|
net_id)
|
|
# update network on network controller
|
|
try:
|
|
self._send_update_network(orig_net)
|
|
except RemoteRestError:
|
|
# rollback creation of subnet
|
|
super(QuantumRestProxyV2, self).delete_subnet(context,
|
|
subnet['id'])
|
|
raise
|
|
return new_subnet
|
|
|
|
def update_subnet(self, context, id, subnet):
|
|
LOG.debug(_("QuantumRestProxyV2: update_subnet() called"))
|
|
|
|
self._warn_on_state_status(subnet['subnet'])
|
|
|
|
orig_subnet = super(QuantumRestProxyV2, self)._get_subnet(context, id)
|
|
|
|
# update subnet in DB
|
|
new_subnet = super(QuantumRestProxyV2, self).update_subnet(context, id,
|
|
subnet)
|
|
net_id = new_subnet['network_id']
|
|
orig_net = super(QuantumRestProxyV2, self).get_network(context,
|
|
net_id)
|
|
# update network on network controller
|
|
try:
|
|
self._send_update_network(orig_net)
|
|
except RemoteRestError:
|
|
# rollback updation of subnet
|
|
super(QuantumRestProxyV2, self).update_subnet(context, id,
|
|
orig_subnet)
|
|
raise
|
|
return new_subnet
|
|
|
|
def delete_subnet(self, context, id):
|
|
LOG.debug(_("QuantumRestProxyV2: delete_subnet() called"))
|
|
orig_subnet = super(QuantumRestProxyV2, self).get_subnet(context, id)
|
|
net_id = orig_subnet['network_id']
|
|
# delete subnet in DB
|
|
super(QuantumRestProxyV2, self).delete_subnet(context, id)
|
|
orig_net = super(QuantumRestProxyV2, self).get_network(context,
|
|
net_id)
|
|
# update network on network controller
|
|
try:
|
|
self._send_update_network(orig_net)
|
|
except RemoteRestError:
|
|
# TODO(Sumit): rollback deletion of subnet
|
|
raise
|
|
|
|
def create_router(self, context, router):
|
|
LOG.debug(_("QuantumRestProxyV2: create_router() called"))
|
|
|
|
self._warn_on_state_status(router['router'])
|
|
|
|
tenant_id = self._get_tenant_id_for_create(context, router["router"])
|
|
|
|
# create router in DB
|
|
new_router = super(QuantumRestProxyV2, self).create_router(context,
|
|
router)
|
|
|
|
# create router on the network controller
|
|
try:
|
|
resource = ROUTER_RESOURCE_PATH % tenant_id
|
|
mapped_router = self._map_state_and_status(new_router)
|
|
data = {
|
|
"router": mapped_router
|
|
}
|
|
ret = self.servers.post(resource, data)
|
|
if not self.servers.action_success(ret):
|
|
raise RemoteRestError(ret[2])
|
|
except RemoteRestError as e:
|
|
LOG.error(_("QuantumRestProxyV2: Unable to create remote router: "
|
|
"%s"), e.message)
|
|
super(QuantumRestProxyV2, self).delete_router(context,
|
|
new_router['id'])
|
|
raise
|
|
|
|
# return created router
|
|
return new_router
|
|
|
|
def update_router(self, context, router_id, router):
|
|
|
|
LOG.debug(_("QuantumRestProxyV2.update_router() called"))
|
|
|
|
self._warn_on_state_status(router['router'])
|
|
|
|
orig_router = super(QuantumRestProxyV2, self).get_router(context,
|
|
router_id)
|
|
tenant_id = orig_router["tenant_id"]
|
|
new_router = super(QuantumRestProxyV2, self).update_router(context,
|
|
router_id,
|
|
router)
|
|
|
|
# update router on network controller
|
|
try:
|
|
resource = ROUTERS_PATH % (tenant_id, router_id)
|
|
mapped_router = self._map_state_and_status(new_router)
|
|
data = {
|
|
"router": mapped_router
|
|
}
|
|
ret = self.servers.put(resource, data)
|
|
if not self.servers.action_success(ret):
|
|
raise RemoteRestError(ret[2])
|
|
except RemoteRestError as e:
|
|
LOG.error(_("QuantumRestProxyV2: Unable to update remote router: "
|
|
"%s"), e.message)
|
|
# reset router to original state
|
|
super(QuantumRestProxyV2, self).update_router(context,
|
|
router_id,
|
|
orig_router)
|
|
raise
|
|
|
|
# return updated router
|
|
return new_router
|
|
|
|
def delete_router(self, context, router_id):
|
|
LOG.debug(_("QuantumRestProxyV2: delete_router() called"))
|
|
|
|
with context.session.begin(subtransactions=True):
|
|
orig_router = self._get_router(context, router_id)
|
|
tenant_id = orig_router["tenant_id"]
|
|
|
|
# Ensure that the router is not used
|
|
router_filter = {'router_id': [router_id]}
|
|
fips = self.get_floatingips_count(context.elevated(),
|
|
filters=router_filter)
|
|
if fips:
|
|
raise l3.RouterInUse(router_id=router_id)
|
|
|
|
device_owner = l3_db.DEVICE_OWNER_ROUTER_INTF
|
|
device_filter = {'device_id': [router_id],
|
|
'device_owner': [device_owner]}
|
|
ports = self.get_ports_count(context.elevated(),
|
|
filters=device_filter)
|
|
if ports:
|
|
raise l3.RouterInUse(router_id=router_id)
|
|
|
|
# delete from network ctrl. Remote error on delete is ignored
|
|
try:
|
|
resource = ROUTERS_PATH % (tenant_id, router_id)
|
|
ret = self.servers.delete(resource)
|
|
if not self.servers.action_success(ret):
|
|
raise RemoteRestError(ret[2])
|
|
ret_val = super(QuantumRestProxyV2, self).delete_router(context,
|
|
router_id)
|
|
return ret_val
|
|
except RemoteRestError as e:
|
|
LOG.error(_("QuantumRestProxyV2: Unable to delete remote router: "
|
|
"%s"), e.message)
|
|
raise
|
|
|
|
def add_router_interface(self, context, router_id, interface_info):
|
|
|
|
LOG.debug(_("QuantumRestProxyV2: add_router_interface() called"))
|
|
|
|
# Validate args
|
|
router = self._get_router(context, router_id)
|
|
tenant_id = router['tenant_id']
|
|
|
|
# create interface in DB
|
|
new_interface_info = super(QuantumRestProxyV2,
|
|
self).add_router_interface(context,
|
|
router_id,
|
|
interface_info)
|
|
port = self._get_port(context, new_interface_info['port_id'])
|
|
net_id = port['network_id']
|
|
subnet_id = new_interface_info['subnet_id']
|
|
# we will use the port's network id as interface's id
|
|
interface_id = net_id
|
|
intf_details = self._get_router_intf_details(context,
|
|
interface_id,
|
|
subnet_id)
|
|
|
|
# create interface on the network controller
|
|
try:
|
|
resource = ROUTER_INTF_OP_PATH % (tenant_id, router_id)
|
|
data = {"interface": intf_details}
|
|
ret = self.servers.post(resource, data)
|
|
if not self.servers.action_success(ret):
|
|
raise RemoteRestError(ret[2])
|
|
except RemoteRestError as e:
|
|
LOG.error(_("QuantumRestProxyV2: Unable to create interface: "
|
|
"%s"), e.message)
|
|
super(QuantumRestProxyV2,
|
|
self).remove_router_interface(context, router_id,
|
|
interface_info)
|
|
raise
|
|
|
|
return new_interface_info
|
|
|
|
def remove_router_interface(self, context, router_id, interface_info):
|
|
|
|
LOG.debug(_("QuantumRestProxyV2: remove_router_interface() called"))
|
|
|
|
# Validate args
|
|
router = self._get_router(context, router_id)
|
|
tenant_id = router['tenant_id']
|
|
|
|
# we will first get the interface identifier before deleting in the DB
|
|
if not interface_info:
|
|
msg = "Either subnet_id or port_id must be specified"
|
|
raise exceptions.BadRequest(resource='router', msg=msg)
|
|
if 'port_id' in interface_info:
|
|
port = self._get_port(context, interface_info['port_id'])
|
|
interface_id = port['network_id']
|
|
elif 'subnet_id' in interface_info:
|
|
subnet = self._get_subnet(context, interface_info['subnet_id'])
|
|
interface_id = subnet['network_id']
|
|
else:
|
|
msg = "Either subnet_id or port_id must be specified"
|
|
raise exceptions.BadRequest(resource='router', msg=msg)
|
|
|
|
# remove router in DB
|
|
del_intf_info = super(QuantumRestProxyV2,
|
|
self).remove_router_interface(context,
|
|
router_id,
|
|
interface_info)
|
|
|
|
# create router on the network controller
|
|
try:
|
|
resource = ROUTER_INTF_PATH % (tenant_id, router_id, interface_id)
|
|
ret = self.servers.delete(resource)
|
|
if not self.servers.action_success(ret):
|
|
raise RemoteRestError(ret[2])
|
|
except RemoteRestError as e:
|
|
LOG.error(_("QuantumRestProxyV2:Unable to delete remote intf: "
|
|
"%s"), e.message)
|
|
raise
|
|
|
|
# return new interface
|
|
return del_intf_info
|
|
|
|
def create_floatingip(self, context, floatingip):
|
|
LOG.debug(_("QuantumRestProxyV2: create_floatingip() called"))
|
|
|
|
# create floatingip in DB
|
|
new_fl_ip = super(QuantumRestProxyV2,
|
|
self).create_floatingip(context, floatingip)
|
|
|
|
net_id = new_fl_ip['floating_network_id']
|
|
orig_net = super(QuantumRestProxyV2, self).get_network(context,
|
|
net_id)
|
|
# create floatingip on the network controller
|
|
try:
|
|
self._send_update_network(orig_net)
|
|
except RemoteRestError as e:
|
|
LOG.error(_("QuantumRestProxyV2: Unable to create remote "
|
|
"floatin IP: %s"), e.message)
|
|
super(QuantumRestProxyV2, self).delete_floatingip(context,
|
|
floatingip)
|
|
raise
|
|
|
|
# return created floating IP
|
|
return new_fl_ip
|
|
|
|
def update_floatingip(self, context, id, floatingip):
|
|
LOG.debug(_("QuantumRestProxyV2: update_floatingip() called"))
|
|
|
|
orig_fl_ip = super(QuantumRestProxyV2, self).get_floatingip(context,
|
|
id)
|
|
|
|
# update floatingip in DB
|
|
new_fl_ip = super(QuantumRestProxyV2,
|
|
self).update_floatingip(context, id, floatingip)
|
|
|
|
net_id = new_fl_ip['floating_network_id']
|
|
orig_net = super(QuantumRestProxyV2, self).get_network(context,
|
|
net_id)
|
|
# update network on network controller
|
|
try:
|
|
self._send_update_network(orig_net)
|
|
except RemoteRestError:
|
|
# rollback updation of subnet
|
|
super(QuantumRestProxyV2, self).update_floatingip(context, id,
|
|
orig_fl_ip)
|
|
raise
|
|
return new_fl_ip
|
|
|
|
def delete_floatingip(self, context, id):
|
|
LOG.debug(_("QuantumRestProxyV2: delete_floatingip() called"))
|
|
|
|
orig_fl_ip = super(QuantumRestProxyV2, self).get_floatingip(context,
|
|
id)
|
|
# delete floating IP in DB
|
|
net_id = orig_fl_ip['floating_network_id']
|
|
super(QuantumRestProxyV2, self).delete_floatingip(context, id)
|
|
|
|
orig_net = super(QuantumRestProxyV2, self).get_network(context,
|
|
net_id)
|
|
# update network on network controller
|
|
try:
|
|
self._send_update_network(orig_net)
|
|
except RemoteRestError:
|
|
# TODO(Sumit): rollback deletion of floating IP
|
|
raise
|
|
|
|
def _send_all_data(self):
|
|
"""Pushes all data to network ctrl (networks/ports, ports/attachments).
|
|
|
|
This gives the controller an option to re-sync it's persistent store
|
|
with quantum's current view of that data.
|
|
"""
|
|
admin_context = qcontext.get_admin_context()
|
|
networks = []
|
|
routers = []
|
|
|
|
all_networks = super(QuantumRestProxyV2,
|
|
self).get_networks(admin_context) or []
|
|
for net in all_networks:
|
|
mapped_network = self._get_mapped_network_with_subnets(net)
|
|
net_fl_ips = self._get_network_with_floatingips(mapped_network)
|
|
|
|
ports = []
|
|
net_filter = {'network_id': [net.get('id')]}
|
|
net_ports = super(QuantumRestProxyV2,
|
|
self).get_ports(admin_context,
|
|
filters=net_filter) or []
|
|
for port in net_ports:
|
|
mapped_port = self._map_state_and_status(port)
|
|
mapped_port['attachment'] = {
|
|
'id': port.get('device_id'),
|
|
'mac': port.get('mac_address'),
|
|
}
|
|
ports.append(mapped_port)
|
|
net_fl_ips['ports'] = ports
|
|
|
|
networks.append(net_fl_ips)
|
|
|
|
all_routers = super(QuantumRestProxyV2,
|
|
self).get_routers(admin_context) or []
|
|
for router in all_routers:
|
|
interfaces = []
|
|
mapped_router = self._map_state_and_status(router)
|
|
router_filter = {
|
|
'device_owner': ["network:router_interface"],
|
|
'device_id': [router.get('id')]
|
|
}
|
|
router_ports = super(QuantumRestProxyV2,
|
|
self).get_ports(admin_context,
|
|
filters=router_filter) or []
|
|
for port in router_ports:
|
|
net_id = port.get('network_id')
|
|
subnet_id = port['fixed_ips'][0]['subnet_id']
|
|
intf_details = self._get_router_intf_details(admin_context,
|
|
net_id,
|
|
subnet_id)
|
|
interfaces.append(intf_details)
|
|
mapped_router['interfaces'] = interfaces
|
|
|
|
routers.append(mapped_router)
|
|
|
|
try:
|
|
resource = '/topology'
|
|
data = {
|
|
'networks': networks,
|
|
'routers': routers,
|
|
}
|
|
ret = self.servers.put(resource, data)
|
|
if not self.servers.action_success(ret):
|
|
raise RemoteRestError(ret[2])
|
|
return ret
|
|
except RemoteRestError as e:
|
|
LOG.error(_('QuantumRestProxy: Unable to update remote '
|
|
'topology: %s'), e.message)
|
|
raise
|
|
|
|
def _add_host_route(self, context, destination, port):
|
|
subnet = {}
|
|
for fixed_ip in port['fixed_ips']:
|
|
subnet_id = fixed_ip['subnet_id']
|
|
nexthop = fixed_ip['ip_address']
|
|
subnet['host_routes'] = [{'destination': destination,
|
|
'nexthop': nexthop}]
|
|
updated_subnet = self.update_subnet(context,
|
|
subnet_id,
|
|
{'subnet': subnet})
|
|
payload = {'subnet': updated_subnet}
|
|
self._dhcp_agent_notifier.notify(context, payload,
|
|
'subnet.update.end')
|
|
LOG.debug("Adding host route: ")
|
|
LOG.debug("destination:%s nexthop:%s" % (destination,
|
|
nexthop))
|
|
|
|
def _get_network_with_floatingips(self, network):
|
|
admin_context = qcontext.get_admin_context()
|
|
|
|
net_id = network['id']
|
|
net_filter = {'floating_network_id': [net_id]}
|
|
fl_ips = super(QuantumRestProxyV2,
|
|
self).get_floatingips(admin_context,
|
|
filters=net_filter) or []
|
|
network['floatingips'] = fl_ips
|
|
|
|
return network
|
|
|
|
def _get_all_subnets_json_for_network(self, net_id):
|
|
admin_context = qcontext.get_admin_context()
|
|
subnets = self._get_subnets_by_network(admin_context,
|
|
net_id)
|
|
subnets_details = []
|
|
if subnets:
|
|
for subnet in subnets:
|
|
subnet_dict = self._make_subnet_dict(subnet)
|
|
mapped_subnet = self._map_state_and_status(subnet_dict)
|
|
subnets_details.append(mapped_subnet)
|
|
|
|
return subnets_details
|
|
|
|
def _get_mapped_network_with_subnets(self, network):
|
|
admin_context = qcontext.get_admin_context()
|
|
network = self._map_state_and_status(network)
|
|
subnets = self._get_all_subnets_json_for_network(network['id'])
|
|
network['subnets'] = subnets
|
|
for subnet in (subnets or []):
|
|
if subnet['gateway_ip']:
|
|
# FIX: For backward compatibility with wire protocol
|
|
network['gateway'] = subnet['gateway_ip']
|
|
break
|
|
else:
|
|
network['gateway'] = ''
|
|
|
|
network[l3.EXTERNAL] = self._network_is_external(admin_context,
|
|
network['id'])
|
|
|
|
return network
|
|
|
|
def _send_update_network(self, network):
|
|
net_id = network['id']
|
|
tenant_id = network['tenant_id']
|
|
# update network on network controller
|
|
try:
|
|
resource = NETWORKS_PATH % (tenant_id, net_id)
|
|
mapped_network = self._get_mapped_network_with_subnets(network)
|
|
net_fl_ips = self._get_network_with_floatingips(mapped_network)
|
|
data = {
|
|
"network": net_fl_ips,
|
|
}
|
|
ret = self.servers.put(resource, data)
|
|
if not self.servers.action_success(ret):
|
|
raise RemoteRestError(ret[2])
|
|
except RemoteRestError as e:
|
|
LOG.error(_("QuantumRestProxyV2: Unable to update remote "
|
|
"network: %s"), e.message)
|
|
raise
|
|
|
|
def _map_state_and_status(self, resource):
|
|
resource = copy.copy(resource)
|
|
|
|
resource['state'] = ('UP' if resource.pop('admin_state_up',
|
|
True) else 'DOWN')
|
|
|
|
if 'status' in resource:
|
|
del resource['status']
|
|
|
|
return resource
|
|
|
|
def _warn_on_state_status(self, resource):
|
|
if resource.get('admin_state_up', True) is False:
|
|
LOG.warning(_("Setting admin_state_up=False is not supported"
|
|
" in this plugin version. Ignoring setting for "
|
|
"resource: %s"), resource)
|
|
|
|
if 'status' in resource:
|
|
if resource['status'] is not const.NET_STATUS_ACTIVE:
|
|
LOG.warning(_("Operational status is internally set by the"
|
|
" plugin. Ignoring setting status=%s."),
|
|
resource['status'])
|
|
|
|
def _get_router_intf_details(self, context, intf_id, subnet_id):
|
|
|
|
# we will use the network id as interface's id
|
|
net_id = intf_id
|
|
network = super(QuantumRestProxyV2, self).get_network(context,
|
|
net_id)
|
|
subnet = super(QuantumRestProxyV2, self).get_subnet(context,
|
|
subnet_id)
|
|
mapped_network = self._get_mapped_network_with_subnets(network)
|
|
mapped_subnet = self._map_state_and_status(subnet)
|
|
|
|
data = {
|
|
'id': intf_id,
|
|
"network": mapped_network,
|
|
"subnet": mapped_subnet
|
|
}
|
|
|
|
return data
|
|
|
|
def _extend_port_dict_binding(self, context, port):
|
|
port[portbindings.VIF_TYPE] = portbindings.VIF_TYPE_OVS
|
|
port[portbindings.CAPABILITIES] = {
|
|
portbindings.CAP_PORT_FILTER:
|
|
'security-group' in self.supported_extension_aliases}
|
|
return port
|