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diff --git a/doc/source/test-vrrp.rst b/doc/source/test-vrrp.rst new file mode 100644 index 00000000..6e3783a1 --- /dev/null +++ b/doc/source/test-vrrp.rst @@ -0,0 +1,217 @@ +=================== +Testing VRRP Module +=================== + +This page describes how to test Ryu VRRP service + +Running integrated tests +======================== + +Some testing scripts are available. + +* ryu/tests/integrated/test_vrrp_linux_multi.py +* ryu/tests/integrated/test_vrrp_multi.py + +Each files include how to run in the comment. +Please refer to it. + + +Running multiple Ryu VRRP in network namespace +============================================== + +The following command lines set up necessary bridges and interfaces. + +And then run RYU-VRRP:: + + # ip netns add gateway1 + # ip netns add gateway2 + + # brctl addbr vrrp-br0 + # brctl addbr vrrp-br1 + + # ip link add veth0 type veth peer name veth0-br0 + # ip link add veth1 type veth peer name veth1-br0 + # ip link add veth2 type veth peer name veth2-br0 + # ip link add veth3 type veth peer name veth3-br1 + # ip link add veth4 type veth peer name veth4-br1 + # ip link add veth5 type veth peer name veth5-br1 + + # brctl addif vrrp-br0 veth0-br0 + # brctl addif vrrp-br0 veth1-br0 + # brctl addif vrrp-br0 veth2-br0 + # brctl addif vrrp-br1 veth3-br1 + # brctl addif vrrp-br1 veth4-br1 + # brctl addif vrrp-br1 veth5-br1 + + # ip link set vrrp-br0 up + # ip link set vrrp-br1 up + + # ip link set veth0 up + # ip link set veth0-br0 up + # ip link set veth1-br0 up + # ip link set veth2-br0 up + # ip link set veth3-br1 up + # ip link set veth4-br1 up + # ip link set veth5 up + # ip link set veth5-br1 up + + # ip link set veth1 netns gateway1 + # ip link set veth2 netns gateway2 + # ip link set veth3 netns gateway1 + # ip link set veth4 netns gateway2 + + # ip netns exec gateway1 ip link set veth1 up + # ip netns exec gateway2 ip link set veth2 up + # ip netns exec gateway1 ip link set veth3 up + # ip netns exec gateway2 ip link set veth4 up + + # ip netns exec gateway1 .ryu-vrrp veth1 '10.0.0.2' 254 + # ip netns exec gateway2 .ryu-vrrp veth2 '10.0.0.3' 100 + + +.. admonition:: Caveats + + Please make sure that all interfaces and bridges are UP. + Don't forget interfaces in netns gateway1/gateway2. + +:: + + ^ veth5 + | + V veth5-br1 + ----------------------- + |Linux Brirge vrrp-br1| + ----------------------- + veth3-br1^ ^ veth4-br1 + | | + veth3V V veth4 + ---------- ---------- + |netns | |netns | + |gateway1| |gateway2| + |ryu-vrrp| |ryu-vrrp| + ---------- ---------- + veth1^ ^ veth2 + | | + veth1-br0V V veth2-br0 + ----------------------- + |Linux Brirge vrrp-br0| + ----------------------- + ^ veth0-br0 + | + V veth0 + + + +Here's the helper executable, ryu-vrrp:: + + #!/usr/bin/env python + # + # Copyright (C) 2013 Nippon Telegraph and Telephone Corporation. + # Copyright (C) 2013 Isaku Yamahata <yamahata at valinux co jp> + # + # Licensed under the Apache License, Version 2.0 (the "License"); + # you may not use this file except in compliance with the License. + # You may obtain a copy of the License at + # + # http://www.apache.org/licenses/LICENSE-2.0 + # + # Unless required by applicable law or agreed to in writing, software + # distributed under the License is distributed on an "AS IS" BASIS, + # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or + # implied. + # See the License for the specific language governing permissions and + # limitations under the License. + + from ryu.lib import hub + hub.patch() + + # TODO: + # Right now, we have our own patched copy of ovs python bindings + # Once our modification is upstreamed and widely deployed, + # use it + # + # NOTE: this modifies sys.path and thus affects the following imports. + # eg. oslo.config.cfg. + import ryu.contrib + + from oslo.config import cfg + import logging + import netaddr + import sys + import time + + from ryu import log + log.early_init_log(logging.DEBUG) + + from ryu import flags + from ryu import version + from ryu.base import app_manager + from ryu.controller import controller + from ryu.lib import mac as lib_mac + from ryu.lib.packet import vrrp + from ryu.services.protocols.vrrp import api as vrrp_api + from ryu.services.protocols.vrrp import event as vrrp_event + + + CONF = cfg.CONF + + _VRID = 7 + _IP_ADDRESS = '10.0.0.1' + _PRIORITY = 100 + + + class VRRPTestRouter(app_manager.RyuApp): + def __init__(self, *args, **kwargs): + super(VRRPTestRouter, self).__init__(*args, **kwargs) + print args + self.logger.debug('vrrp_config %s', args) + self._ifname = args[0] + self._primary_ip_address = args[1] + self._priority = int(args[2]) + + def start(self): + print 'start' + hub.spawn(self._main) + + def _main(self): + print self + interface = vrrp_event.VRRPInterfaceNetworkDevice( + lib_mac.DONTCARE, self._primary_ip_address, None, self._ifname) + self.logger.debug('%s', interface) + + ip_addresses = [_IP_ADDRESS] + config = vrrp_event.VRRPConfig( + version=vrrp.VRRP_VERSION_V3, vrid=_VRID, priority=self._priority, + ip_addresses=ip_addresses) + self.logger.debug('%s', config) + + rep = vrrp_api.vrrp_config(self, interface, config) + self.logger.debug('%s', rep) + + + def main(): + vrrp_config = sys.argv[-3:] + sys.argv = sys.argv[:-3] + CONF(project='ryu', version='ryu-vrrp %s' % version) + + log.init_log() + # always enable ofp for now. + app_lists = ['ryu.services.protocols.vrrp.manager', + 'ryu.services.protocols.vrrp.dumper', + 'ryu.services.protocols.vrrp.sample_manager'] + + app_mgr = app_manager.AppManager.get_instance() + app_mgr.load_apps(app_lists) + contexts = app_mgr.create_contexts() + app_mgr.instantiate_apps(**contexts) + vrrp_router = app_mgr.instantiate(VRRPTestRouter, *vrrp_config, **contexts) + vrrp_router.start() + + while True: + time.sleep(999999) + + app_mgr.close() + + + if __name__ == "__main__": + main() |