352 lines
12 KiB
Python
352 lines
12 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2011 Nicira 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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# @author: Somik Behera, Nicira Networks, Inc.
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# @author: Brad Hall, Nicira Networks, Inc.
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# @author: Dan Wendlandt, Nicira Networks, Inc.
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import ConfigParser
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import logging as LOG
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import os
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import sys
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import unittest
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from quantum.quantum_plugin_base import QuantumPluginBase
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from optparse import OptionParser
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import quantum.db.api as db
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import ovs_db
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CONF_FILE = "ovs_quantum_plugin.ini"
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LOG.basicConfig(level=LOG.WARN)
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LOG.getLogger("ovs_quantum_plugin")
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def find_config(basepath):
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for root, dirs, files in os.walk(basepath):
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if CONF_FILE in files:
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return os.path.join(root, CONF_FILE)
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return None
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class VlanMap(object):
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vlans = {}
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def __init__(self):
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for x in xrange(2, 4094):
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self.vlans[x] = None
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def set(self, vlan_id, network_id):
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self.vlans[vlan_id] = network_id
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def acquire(self, network_id):
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for x in xrange(2, 4094):
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if self.vlans[x] == None:
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self.vlans[x] = network_id
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# LOG.debug("VlanMap::acquire %s -> %s" % (x, network_id))
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return x
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raise Exception("No free vlans..")
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def get(self, vlan_id):
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return self.vlans[vlan_id]
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def release(self, network_id):
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for x in self.vlans.keys():
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if self.vlans[x] == network_id:
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self.vlans[x] = None
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# LOG.debug("VlanMap::release %s" % (x))
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return
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LOG.error("No vlan found with network \"%s\"" % network_id)
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class OVSQuantumPlugin(QuantumPluginBase):
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def __init__(self, configfile=None):
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config = ConfigParser.ConfigParser()
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if configfile == None:
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if os.path.exists(CONF_FILE):
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configfile = CONF_FILE
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else:
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configfile = find_config(os.path.abspath(
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os.path.dirname(__file__)))
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if configfile == None:
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raise Exception("Configuration file \"%s\" doesn't exist" %
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(configfile))
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LOG.debug("Using configuration file: %s" % configfile)
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config.read(configfile)
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LOG.debug("Config: %s" % config)
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DB_NAME = config.get("DATABASE", "name")
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DB_USER = config.get("DATABASE", "user")
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DB_PASS = config.get("DATABASE", "pass")
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DB_HOST = config.get("DATABASE", "host")
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options = {"sql_connection": "mysql://%s:%s@%s/%s" % (DB_USER,
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DB_PASS, DB_HOST, DB_NAME)}
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db.configure_db(options)
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self.vmap = VlanMap()
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# Populate the map with anything that is already present in the
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# database
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vlans = ovs_db.get_vlans()
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for x in vlans:
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vlan_id, network_id = x
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# LOG.debug("Adding already populated vlan %s -> %s"
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# % (vlan_id, network_id))
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self.vmap.set(vlan_id, network_id)
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def get_all_networks(self, tenant_id):
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nets = []
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for x in db.network_list(tenant_id):
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LOG.debug("Adding network: %s" % x.uuid)
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d = {}
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d["net-id"] = str(x.uuid)
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d["net-name"] = x.name
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nets.append(d)
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return nets
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def create_network(self, tenant_id, net_name):
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d = {}
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try:
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res = db.network_create(tenant_id, net_name)
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LOG.debug("Created newtork: %s" % res)
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except Exception, e:
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LOG.error("Error: %s" % str(e))
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return d
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d["net-id"] = str(res.uuid)
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d["net-name"] = res.name
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vlan_id = self.vmap.acquire(str(res.uuid))
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ovs_db.add_vlan_binding(vlan_id, str(res.uuid))
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return d
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def delete_network(self, tenant_id, net_id):
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net = db.network_destroy(net_id)
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d = {}
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d["net-id"] = str(net.uuid)
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ovs_db.remove_vlan_binding(net_id)
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self.vmap.release(net_id)
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return d
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def get_network_details(self, tenant_id, net_id):
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ports = db.port_list(net_id)
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ifaces = []
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for p in ports:
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ifaces.append(p.interface_id)
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return ifaces
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def rename_network(self, tenant_id, net_id, new_name):
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try:
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net = db.network_rename(net_id, tenant_id, new_name)
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except Exception, e:
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raise Exception("Failed to rename network: %s" % str(e))
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d = {}
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d["net-id"] = str(net.uuid)
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d["net-name"] = net.name
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return d
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def get_all_ports(self, tenant_id, net_id):
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ids = []
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ports = db.port_list(net_id)
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for x in ports:
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LOG.debug("Appending port: %s" % x.uuid)
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d = {}
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d["port-id"] = str(x.uuid)
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ids.append(d)
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return ids
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def create_port(self, tenant_id, net_id, port_state=None):
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LOG.debug("Creating port with network_id: %s" % net_id)
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port = db.port_create(net_id)
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d = {}
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d["port-id"] = str(port.uuid)
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LOG.debug("-> %s" % (port.uuid))
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return d
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def delete_port(self, tenant_id, net_id, port_id):
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try:
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port = db.port_destroy(port_id)
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except Exception, e:
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raise Exception("Failed to delete port: %s" % str(e))
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d = {}
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d["port-id"] = str(port.uuid)
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return d
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def update_port(self, tenant_id, net_id, port_id, port_state):
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"""
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Updates the state of a port on the specified Virtual Network.
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"""
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LOG.debug("update_port() called\n")
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port = db.port_get(port_id)
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port['port-state'] = port_state
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return port
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def get_port_details(self, tenant_id, net_id, port_id):
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port = db.port_get(port_id)
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rv = {"port-id": port.uuid, "attachment": port.interface_id,
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"net-id": port.network_id, "port-state": "UP"}
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return rv
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def plug_interface(self, tenant_id, net_id, port_id, remote_iface_id):
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db.port_set_attachment(port_id, remote_iface_id)
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def unplug_interface(self, tenant_id, net_id, port_id):
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db.port_set_attachment(port_id, "")
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def get_interface_details(self, tenant_id, net_id, port_id):
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res = db.port_get(port_id)
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return res.interface_id
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class VlanMapTest(unittest.TestCase):
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def setUp(self):
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self.vmap = VlanMap()
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def tearDown(self):
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pass
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def testAddVlan(self):
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vlan_id = self.vmap.acquire("foobar")
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self.assertTrue(vlan_id == 2)
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def testReleaseVlan(self):
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vlan_id = self.vmap.acquire("foobar")
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self.vmap.release("foobar")
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self.assertTrue(self.vmap.get(vlan_id) == None)
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# TODO(bgh): Make the tests use a sqlite database instead of mysql
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class OVSPluginTest(unittest.TestCase):
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def setUp(self):
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self.quantum = OVSQuantumPlugin()
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self.tenant_id = "testtenant"
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def testCreateNetwork(self):
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net1 = self.quantum.create_network(self.tenant_id, "plugin_test1")
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self.assertTrue(net1["net-name"] == "plugin_test1")
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def testGetNetworks(self):
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net1 = self.quantum.create_network(self.tenant_id, "plugin_test1")
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net2 = self.quantum.create_network(self.tenant_id, "plugin_test2")
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nets = self.quantum.get_all_networks(self.tenant_id)
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count = 0
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for x in nets:
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if "plugin_test" in x["net-name"]:
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count += 1
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self.assertTrue(count == 2)
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def testDeleteNetwork(self):
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net = self.quantum.create_network(self.tenant_id, "plugin_test1")
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self.quantum.delete_network(self.tenant_id, net["net-id"])
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nets = self.quantum.get_all_networks(self.tenant_id)
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count = 0
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for x in nets:
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if "plugin_test" in x["net-name"]:
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count += 1
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self.assertTrue(count == 0)
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def testRenameNetwork(self):
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net = self.quantum.create_network(self.tenant_id, "plugin_test1")
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net = self.quantum.rename_network(self.tenant_id, net["net-id"],
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"plugin_test_renamed")
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self.assertTrue(net["net-name"] == "plugin_test_renamed")
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def testCreatePort(self):
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net1 = self.quantum.create_network(self.tenant_id, "plugin_test1")
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port = self.quantum.create_port(self.tenant_id, net1["net-id"])
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ports = self.quantum.get_all_ports(self.tenant_id, net1["net-id"])
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count = 0
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for p in ports:
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count += 1
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self.assertTrue(count == 1)
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def testDeletePort(self):
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net1 = self.quantum.create_network(self.tenant_id, "plugin_test1")
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port = self.quantum.create_port(self.tenant_id, net1["net-id"])
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ports = self.quantum.get_all_ports(self.tenant_id, net1["net-id"])
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count = 0
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for p in ports:
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count += 1
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self.assertTrue(count == 1)
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for p in ports:
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self.quantum.delete_port(self.tenant_id, id, p["port-id"])
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ports = self.quantum.get_all_ports(self.tenant_id, net1["net-id"])
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count = 0
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for p in ports:
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count += 1
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self.assertTrue(count == 0)
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def testGetPorts(self):
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pass
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def testPlugInterface(self):
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net1 = self.quantum.create_network(self.tenant_id, "plugin_test1")
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port = self.quantum.create_port(self.tenant_id, net1["net-id"])
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self.quantum.plug_interface(self.tenant_id, net1["net-id"],
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port["port-id"], "vif1.1")
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port = self.quantum.get_port_details(self.tenant_id, net1["net-id"],
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port["port-id"])
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self.assertTrue(port["attachment"] == "vif1.1")
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def testUnPlugInterface(self):
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net1 = self.quantum.create_network(self.tenant_id, "plugin_test1")
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port = self.quantum.create_port(self.tenant_id, net1["net-id"])
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self.quantum.plug_interface(self.tenant_id, net1["net-id"],
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port["port-id"], "vif1.1")
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port = self.quantum.get_port_details(self.tenant_id, net1["net-id"],
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port["port-id"])
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self.assertTrue(port["attachment"] == "vif1.1")
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self.quantum.unplug_interface(self.tenant_id, net1["net-id"],
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port["port-id"])
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port = self.quantum.get_port_details(self.tenant_id, net1["net-id"],
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port["port-id"])
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self.assertTrue(port["attachment"] == "")
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def tearDown(self):
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networks = self.quantum.get_all_networks(self.tenant_id)
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# Clean up any test networks lying around
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for net in networks:
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id = net["net-id"]
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name = net["net-name"]
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if "plugin_test" in name:
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# Clean up any test ports lying around
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ports = self.quantum.get_all_ports(self.tenant_id, id)
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for p in ports:
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self.quantum.delete_port(self.tenant_id, id, p["port-id"])
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self.quantum.delete_network(self.tenant_id, id)
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if __name__ == "__main__":
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usagestr = "Usage: %prog [OPTIONS] <command> [args]"
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parser = OptionParser(usage=usagestr)
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parser.add_option("-v", "--verbose", dest="verbose",
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action="store_true", default=False, help="turn on verbose logging")
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options, args = parser.parse_args()
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if options.verbose:
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LOG.basicConfig(level=LOG.DEBUG)
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else:
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LOG.basicConfig(level=LOG.WARN)
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# Make sqlalchemy quieter
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LOG.getLogger('sqlalchemy.engine').setLevel(LOG.WARN)
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# Run the tests
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suite = unittest.TestLoader().loadTestsFromTestCase(OVSPluginTest)
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unittest.TextTestRunner(verbosity=2).run(suite)
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suite = unittest.TestLoader().loadTestsFromTestCase(VlanMapTest)
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unittest.TextTestRunner(verbosity=2).run(suite)
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