diff options
Diffstat (limited to 'framework/src/onos/apps/openstackswitching/app/src/main/java/org/onosproject/openstackswitching/OpenstackSwitchingManager.java')
| -rw-r--r-- | framework/src/onos/apps/openstackswitching/app/src/main/java/org/onosproject/openstackswitching/OpenstackSwitchingManager.java | 374 |
1 files changed, 374 insertions, 0 deletions
diff --git a/framework/src/onos/apps/openstackswitching/app/src/main/java/org/onosproject/openstackswitching/OpenstackSwitchingManager.java b/framework/src/onos/apps/openstackswitching/app/src/main/java/org/onosproject/openstackswitching/OpenstackSwitchingManager.java new file mode 100644 index 00000000..d881d81c --- /dev/null +++ b/framework/src/onos/apps/openstackswitching/app/src/main/java/org/onosproject/openstackswitching/OpenstackSwitchingManager.java @@ -0,0 +1,374 @@ +/* + * Copyright 2015 Open Networking Laboratory + * + * 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. + */ +package org.onosproject.openstackswitching; + +import com.google.common.collect.ImmutableSet; +import com.google.common.collect.Lists; +import org.apache.felix.scr.annotations.Activate; +import org.apache.felix.scr.annotations.Component; +import org.apache.felix.scr.annotations.Deactivate; +import org.apache.felix.scr.annotations.Reference; +import org.apache.felix.scr.annotations.ReferenceCardinality; +import org.apache.felix.scr.annotations.Service; +import org.onlab.packet.Ethernet; +import org.onlab.packet.Ip4Address; +import org.onosproject.core.ApplicationId; +import org.onosproject.core.CoreService; +import org.onosproject.dhcp.DhcpService; +import org.onosproject.net.Device; +import org.onosproject.net.DeviceId; +import org.onosproject.net.Port; +import org.onosproject.net.config.ConfigFactory; +import org.onosproject.net.config.NetworkConfigEvent; +import org.onosproject.net.config.NetworkConfigListener; +import org.onosproject.net.config.NetworkConfigRegistry; +import org.onosproject.net.device.DeviceEvent; +import org.onosproject.net.device.DeviceListener; +import org.onosproject.net.device.DeviceService; +import org.onosproject.net.driver.DriverService; +import org.onosproject.net.flowobjective.FlowObjectiveService; +import org.onosproject.net.packet.InboundPacket; +import org.onosproject.net.packet.PacketContext; +import org.onosproject.net.packet.PacketProcessor; +import org.onosproject.net.packet.PacketService; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import java.util.List; +import java.util.Collection; +import java.util.Set; +import java.util.concurrent.ExecutorService; +import java.util.concurrent.Executors; +import java.util.stream.Collectors; + +import static org.onosproject.net.config.basics.SubjectFactories.APP_SUBJECT_FACTORY; + +@SuppressWarnings("ALL") +@Service +@Component(immediate = true) +/** + * Populates forwarding rules for VMs created by Openstack. + */ +public class OpenstackSwitchingManager implements OpenstackSwitchingService { + + private static Logger log = LoggerFactory + .getLogger(OpenstackSwitchingManager.class); + + @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) + protected CoreService coreService; + + @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) + protected PacketService packetService; + + @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) + protected DeviceService deviceService; + + @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) + protected FlowObjectiveService flowObjectiveService; + + @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) + protected DhcpService dhcpService; + + @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) + protected NetworkConfigRegistry cfgService; + + @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) + protected DriverService driverService; + + private ApplicationId appId; + private boolean doNotPushFlows; + private Ip4Address neutronServer; + private Ip4Address keystoneServer; + private String userName; + private String password; + private OpenstackArpHandler arpHandler; + private OpenstackRestHandler restHandler; + + private ExecutorService deviceEventExcutorService = Executors.newFixedThreadPool(10); + + private InternalPacketProcessor internalPacketProcessor = new InternalPacketProcessor(); + private InternalDeviceListener internalDeviceListener = new InternalDeviceListener(); + private InternalConfigListener internalConfigListener = new InternalConfigListener(); + private final Set<ConfigFactory> factories = ImmutableSet.of( + new ConfigFactory<ApplicationId, OpenstackSwitchingConfig>(APP_SUBJECT_FACTORY, + OpenstackSwitchingConfig.class, + "openstackswitching") { + @Override + public OpenstackSwitchingConfig createConfig() { + return new OpenstackSwitchingConfig(); + } + } + ); + + @Activate + protected void activate() { + appId = coreService + .registerApplication("org.onosproject.openstackswitching"); + + factories.forEach(cfgService::registerConfigFactory); + packetService.addProcessor(internalPacketProcessor, PacketProcessor.director(1)); + deviceService.addListener(internalDeviceListener); + cfgService.addListener(internalConfigListener); + + internalConfigListener.configureNetwork(); + + log.info("Started"); + } + + @Deactivate + protected void deactivate() { + packetService.removeProcessor(internalPacketProcessor); + deviceService.removeListener(internalDeviceListener); + cfgService.removeListener(internalConfigListener); + + deviceEventExcutorService.shutdown(); + + log.info("Stopped"); + } + + @Override + public void createPorts(OpenstackPort openstackPort) { + registerDhcpInfo(openstackPort); + } + + @Override + public void deletePorts() { + + } + + @Override + public void updatePorts() { + + } + + @Override + public void createNetwork(OpenstackNetwork openstackNetwork) { + } + + @Override + public void createSubnet(OpenstackSubnet openstackSubnet) { + } + + @Override + public Collection<OpenstackPort> ports(String networkId) { + Collection<OpenstackPort> ports = restHandler.getPorts(); + List<OpenstackPort> portList = ports.stream() + .filter(p -> p.networkId().equals(networkId)) + .collect(Collectors.toList()); + + return portList; + } + + @Override + public OpenstackPort port(Port port) { + Collection<OpenstackPort> ports = restHandler.getPorts(); + String uuid = port.annotations().value("portName").substring(3); + return ports.stream() + .filter(p -> p.id().startsWith(uuid)) + .findFirst().orElse(null); + } + + @Override + public OpenstackPort port(String portId) { + Collection<OpenstackPort> ports = restHandler.getPorts(); + return ports.stream() + .filter(p -> p.id().equals(portId)) + .findFirst().orElse(null); + } + + @Override + public OpenstackNetwork network(String networkId) { + Collection<OpenstackNetwork> networks = restHandler.getNetworks(); + return networks.stream() + .filter(n -> n.id().equals(networkId)) + .findFirst().orElse(null); + } + + private void processDeviceAdded(Device device) { + log.debug("device {} is added", device.id()); + } + + private void processPortAdded(Device device, Port port) { + if (!port.annotations().value("portName").equals("vxlan")) { + OpenstackSwitchingRulePopulator rulePopulator = + new OpenstackSwitchingRulePopulator(appId, flowObjectiveService, + deviceService, restHandler, driverService); + rulePopulator.populateSwitchingRules(device, port); + } + } + + private void processPortRemoved(Device device, Port port) { + // TODO: Remove flow rules for the VM removed + log.debug("port {} is removed", port.toString()); + } + + private void registerDhcpInfo(OpenstackPort openstackPort) { + Ip4Address ip4Address; + Ip4Address subnetMask; + Ip4Address dhcpServer; + Ip4Address gatewayIPAddress; + Ip4Address domainServer; + OpenstackSubnet openstackSubnet; + + ip4Address = (Ip4Address) openstackPort.fixedIps().values().toArray()[0]; + + openstackSubnet = restHandler.getSubnets().stream() + .filter(n -> n.networkId().equals(openstackPort.networkId())) + .findFirst().get(); + + subnetMask = Ip4Address.valueOf(buildSubnetMask(openstackSubnet.cidr())); + gatewayIPAddress = Ip4Address.valueOf(openstackSubnet.gatewayIp()); + dhcpServer = gatewayIPAddress; + // TODO: supports multiple DNS servers + if (openstackSubnet.dnsNameservers().isEmpty()) { + domainServer = Ip4Address.valueOf("8.8.8.8"); + } else { + domainServer = openstackSubnet.dnsNameservers().get(0); + } + List<Ip4Address> options = Lists.newArrayList(); + options.add(subnetMask); + options.add(dhcpServer); + options.add(gatewayIPAddress); + options.add(domainServer); + + dhcpService.setStaticMapping(openstackPort.macAddress(), ip4Address, true, options); + } + + private byte[] buildSubnetMask(String cidr) { + int prefix; + String[] parts = cidr.split("/"); + prefix = Integer.parseInt(parts[1]); + int mask = 0xffffffff << (32 - prefix); + byte[] bytes = new byte[]{(byte) (mask >>> 24), + (byte) (mask >> 16 & 0xff), (byte) (mask >> 8 & 0xff), (byte) (mask & 0xff)}; + + return bytes; + } + + + + private class InternalPacketProcessor implements PacketProcessor { + + @Override + public void process(PacketContext context) { + + if (context.isHandled()) { + return; + } + + InboundPacket pkt = context.inPacket(); + Ethernet ethernet = pkt.parsed(); + + if (ethernet.getEtherType() == Ethernet.TYPE_ARP) { + arpHandler.processPacketIn(pkt); + } + } + } + + private class InternalDeviceListener implements DeviceListener { + + @Override + public void event(DeviceEvent deviceEvent) { + deviceEventExcutorService.execute(new InternalEventHandler(deviceEvent)); + } + } + + private class InternalEventHandler implements Runnable { + + volatile DeviceEvent deviceEvent; + + InternalEventHandler(DeviceEvent deviceEvent) { + this.deviceEvent = deviceEvent; + } + + @Override + public void run() { + + if (doNotPushFlows) { + return; + } + + switch (deviceEvent.type()) { + case DEVICE_ADDED: + processDeviceAdded((Device) deviceEvent.subject()); + break; + case DEVICE_UPDATED: + Port port = (Port) deviceEvent.subject(); + if (port.isEnabled()) { + processPortAdded((Device) deviceEvent.subject(), deviceEvent.port()); + } + break; + case DEVICE_AVAILABILITY_CHANGED: + Device device = (Device) deviceEvent.subject(); + if (deviceService.isAvailable(device.id())) { + processDeviceAdded(device); + } + break; + case PORT_ADDED: + processPortAdded((Device) deviceEvent.subject(), deviceEvent.port()); + break; + case PORT_UPDATED: + processPortAdded((Device) deviceEvent.subject(), deviceEvent.port()); + break; + case PORT_REMOVED: + processPortRemoved((Device) deviceEvent.subject(), deviceEvent.port()); + break; + default: + break; + } + } + } + + private class InternalConfigListener implements NetworkConfigListener { + + public void configureNetwork() { + OpenstackSwitchingConfig cfg = + cfgService.getConfig(appId, OpenstackSwitchingConfig.class); + if (cfg == null) { + log.error("There is no openstack server information in config."); + return; + } + doNotPushFlows = cfg.doNotPushFlows(); + restHandler = new OpenstackRestHandler(cfg); + arpHandler = new OpenstackArpHandler(restHandler, packetService); + } + + @Override + public void event(NetworkConfigEvent event) { + if (((event.type() == NetworkConfigEvent.Type.CONFIG_ADDED || + event.type() == NetworkConfigEvent.Type.CONFIG_UPDATED)) && + event.configClass().equals(OpenstackSwitchingConfig.class)) { + configureNetwork(); + } + } + + } + + private final class PortInfo { + DeviceId deviceId; + String portName; + Ip4Address fixedIp; + Ip4Address hostIp; + + private PortInfo(DeviceId deviceId, String portName, Ip4Address fixedIp, + Ip4Address hostIp) { + this.deviceId = deviceId; + this.portName = portName; + this.fixedIp = fixedIp; + this.hostIp = hostIp; + } + } + +}
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