| /* |
| * Copyright 2016-present Open Networking Foundation |
| * |
| * 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.openstacknetworking.impl; |
| |
| import com.google.common.base.Strings; |
| import com.google.common.collect.ImmutableSet; |
| import com.google.common.collect.Sets; |
| import org.onlab.packet.Ethernet; |
| import org.onlab.packet.IpAddress; |
| import org.onlab.packet.MacAddress; |
| import org.onlab.packet.VlanId; |
| import org.onosproject.cluster.ClusterService; |
| import org.onosproject.cluster.LeadershipService; |
| import org.onosproject.cluster.NodeId; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.core.CoreService; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.device.DeviceService; |
| import org.onosproject.net.flow.DefaultTrafficSelector; |
| import org.onosproject.net.flow.DefaultTrafficTreatment; |
| import org.onosproject.net.flow.TrafficSelector; |
| import org.onosproject.net.flow.TrafficTreatment; |
| import org.onosproject.net.packet.PacketService; |
| import org.onosproject.openstacknetworking.api.Constants; |
| import org.onosproject.openstacknetworking.api.ExternalPeerRouter; |
| import org.onosproject.openstacknetworking.api.InstancePort; |
| import org.onosproject.openstacknetworking.api.InstancePortAdminService; |
| import org.onosproject.openstacknetworking.api.InstancePortEvent; |
| import org.onosproject.openstacknetworking.api.InstancePortListener; |
| import org.onosproject.openstacknetworking.api.OpenstackFlowRuleService; |
| import org.onosproject.openstacknetworking.api.OpenstackNetworkEvent; |
| import org.onosproject.openstacknetworking.api.OpenstackNetworkListener; |
| import org.onosproject.openstacknetworking.api.OpenstackNetworkService; |
| import org.onosproject.openstacknetworking.api.OpenstackRouterAdminService; |
| import org.onosproject.openstacknetworking.api.OpenstackRouterEvent; |
| import org.onosproject.openstacknetworking.api.OpenstackRouterListener; |
| import org.onosproject.openstacknetworking.api.PreCommitPortService; |
| import org.onosproject.openstacknode.api.OpenstackNode; |
| import org.onosproject.openstacknode.api.OpenstackNodeEvent; |
| import org.onosproject.openstacknode.api.OpenstackNodeListener; |
| import org.onosproject.openstacknode.api.OpenstackNodeService; |
| import org.openstack4j.model.network.NetFloatingIP; |
| import org.openstack4j.model.network.Network; |
| import org.openstack4j.model.network.NetworkType; |
| import org.openstack4j.model.network.Port; |
| import org.openstack4j.openstack.networking.domain.NeutronFloatingIP; |
| import org.osgi.service.component.annotations.Activate; |
| import org.osgi.service.component.annotations.Component; |
| import org.osgi.service.component.annotations.Deactivate; |
| import org.osgi.service.component.annotations.Reference; |
| import org.osgi.service.component.annotations.ReferenceCardinality; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.Objects; |
| import java.util.Set; |
| import java.util.concurrent.ExecutorService; |
| |
| import static java.util.concurrent.Executors.newSingleThreadExecutor; |
| import static org.onlab.util.Tools.groupedThreads; |
| import static org.onosproject.openstacknetworking.api.Constants.GW_COMMON_TABLE; |
| import static org.onosproject.openstacknetworking.api.Constants.OPENSTACK_NETWORKING_APP_ID; |
| import static org.onosproject.openstacknetworking.api.Constants.PRIORITY_EXTERNAL_FLOATING_ROUTING_RULE; |
| import static org.onosproject.openstacknetworking.api.Constants.PRIORITY_FLOATING_EXTERNAL; |
| import static org.onosproject.openstacknetworking.api.Constants.ROUTING_TABLE; |
| import static org.onosproject.openstacknetworking.api.InstancePort.State.REMOVE_PENDING; |
| import static org.onosproject.openstacknetworking.api.InstancePortEvent.Type.OPENSTACK_INSTANCE_MIGRATION_ENDED; |
| import static org.onosproject.openstacknetworking.api.InstancePortEvent.Type.OPENSTACK_INSTANCE_MIGRATION_STARTED; |
| import static org.onosproject.openstacknetworking.api.OpenstackNetworkEvent.Type.OPENSTACK_PORT_PRE_REMOVE; |
| import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.associatedFloatingIp; |
| import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.externalPeerRouterForNetwork; |
| import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.getGwByComputeDevId; |
| import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.getGwByInstancePort; |
| import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.isAssociatedWithVM; |
| import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.processGarpPacketForFloatingIp; |
| import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.swapStaleLocation; |
| import static org.onosproject.openstacknetworking.util.RulePopulatorUtil.buildExtension; |
| import static org.onosproject.openstacknode.api.OpenstackNode.NodeType.GATEWAY; |
| |
| /** |
| * Handles OpenStack floating IP events. |
| */ |
| @Component(immediate = true) |
| public class OpenstackRoutingFloatingIpHandler { |
| |
| private final Logger log = LoggerFactory.getLogger(getClass()); |
| |
| private static final String ERR_FLOW = "Failed set flows for floating IP %s: "; |
| private static final String ERR_UNSUPPORTED_NET_TYPE = "Unsupported network type %s"; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected CoreService coreService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected DeviceService deviceService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected LeadershipService leadershipService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected ClusterService clusterService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected OpenstackNodeService osNodeService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected InstancePortAdminService instancePortService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected OpenstackRouterAdminService osRouterAdminService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected OpenstackNetworkService osNetworkService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected OpenstackFlowRuleService osFlowRuleService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected PreCommitPortService preCommitPortService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected PacketService packetService; |
| |
| private final ExecutorService eventExecutor = newSingleThreadExecutor( |
| groupedThreads(this.getClass().getSimpleName(), "event-handler", log)); |
| private final OpenstackRouterListener floatingIpListener = new InternalFloatingIpListener(); |
| private final InstancePortListener instancePortListener = new InternalInstancePortListener(); |
| private final OpenstackNodeListener osNodeListener = new InternalNodeListener(); |
| private final OpenstackNetworkListener osNetworkListener = new InternalOpenstackNetworkListener(); |
| private final InstancePortListener instPortListener = new InternalInstancePortListener(); |
| |
| private ApplicationId appId; |
| private NodeId localNodeId; |
| |
| @Activate |
| protected void activate() { |
| appId = coreService.registerApplication(OPENSTACK_NETWORKING_APP_ID); |
| localNodeId = clusterService.getLocalNode().id(); |
| leadershipService.runForLeadership(appId.name()); |
| osRouterAdminService.addListener(floatingIpListener); |
| osNodeService.addListener(osNodeListener); |
| instancePortService.addListener(instancePortListener); |
| osNodeService.addListener(osNodeListener); |
| osNetworkService.addListener(osNetworkListener); |
| instancePortService.addListener(instPortListener); |
| |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| protected void deactivate() { |
| instancePortService.removeListener(instancePortListener); |
| instancePortService.removeListener(instPortListener); |
| osNetworkService.removeListener(osNetworkListener); |
| osNodeService.removeListener(osNodeListener); |
| osRouterAdminService.removeListener(floatingIpListener); |
| leadershipService.withdraw(appId.name()); |
| eventExecutor.shutdown(); |
| |
| log.info("Stopped"); |
| } |
| |
| private void setFloatingIpRules(NetFloatingIP floatingIp, InstancePort instPort, |
| OpenstackNode gateway, boolean install) { |
| |
| if (instPort == null) { |
| log.debug("No instance port found"); |
| return; |
| } |
| |
| Network osNet = osNetworkService.network(instPort.networkId()); |
| |
| ExternalPeerRouter externalPeerRouter = externalPeerRouterForNetwork(osNet, |
| osNetworkService, osRouterAdminService); |
| if (externalPeerRouter == null) { |
| final String errorFormat = ERR_FLOW + "no external peer router found"; |
| throw new IllegalStateException(errorFormat); |
| } |
| |
| if (install) { |
| preCommitPortService.subscribePreCommit(instPort.portId(), |
| OPENSTACK_PORT_PRE_REMOVE, this.getClass().getName()); |
| log.info("Subscribed the port {} on listening pre-remove event", instPort.portId()); |
| } else { |
| preCommitPortService.unsubscribePreCommit(instPort.portId(), |
| OPENSTACK_PORT_PRE_REMOVE, instancePortService, this.getClass().getName()); |
| log.info("Unsubscribed the port {} on listening pre-remove event", instPort.portId()); |
| } |
| |
| updateComputeNodeRules(instPort, osNet, gateway, install); |
| updateGatewayNodeRules(floatingIp, instPort, osNet, externalPeerRouter, gateway, install); |
| |
| // TODO: need to refactor setUpstreamRules if possible |
| setUpstreamRules(floatingIp, osNet, instPort, externalPeerRouter, install); |
| |
| log.trace("Succeeded to set flow rules for floating ip {}:{} and install: {}", |
| floatingIp.getFloatingIpAddress(), |
| floatingIp.getFixedIpAddress(), |
| install); |
| } |
| |
| private synchronized void updateGatewayNodeRules(NetFloatingIP fip, |
| InstancePort instPort, |
| Network osNet, |
| ExternalPeerRouter router, |
| OpenstackNode gateway, |
| boolean install) { |
| |
| Set<OpenstackNode> completedGws = osNodeService.completeNodes(GATEWAY); |
| Set<OpenstackNode> finalGws = Sets.newConcurrentHashSet(); |
| finalGws.addAll(ImmutableSet.copyOf(completedGws)); |
| |
| |
| if (gateway == null) { |
| // these are floating IP related cases... |
| setDownstreamExternalRulesHelper(fip, osNet, instPort, router, |
| ImmutableSet.copyOf(finalGws), install); |
| |
| } else { |
| // these are openstack node related cases... |
| if (install) { |
| if (completedGws.contains(gateway)) { |
| if (completedGws.size() > 1) { |
| finalGws.remove(gateway); |
| if (fip.getPortId() != null) { |
| setDownstreamExternalRulesHelper(fip, osNet, instPort, router, |
| ImmutableSet.copyOf(finalGws), false); |
| finalGws.add(gateway); |
| } |
| } |
| if (fip.getPortId() != null) { |
| setDownstreamExternalRulesHelper(fip, osNet, instPort, router, |
| ImmutableSet.copyOf(finalGws), true); |
| } |
| } else { |
| log.warn("Detected node should be included in completed gateway set"); |
| } |
| } else { |
| if (!completedGws.contains(gateway)) { |
| if (completedGws.size() >= 1) { |
| if (fip.getPortId() != null) { |
| setDownstreamExternalRulesHelper(fip, osNet, instPort, router, |
| ImmutableSet.copyOf(finalGws), true); |
| } |
| } |
| } else { |
| log.warn("Detected node should NOT be included in completed gateway set"); |
| } |
| } |
| } |
| } |
| |
| private synchronized void updateComputeNodeRules(InstancePort instPort, |
| Network osNet, |
| OpenstackNode gateway, |
| boolean install) { |
| |
| Set<OpenstackNode> completedGws = osNodeService.completeNodes(GATEWAY); |
| Set<OpenstackNode> finalGws = Sets.newConcurrentHashSet(); |
| finalGws.addAll(ImmutableSet.copyOf(completedGws)); |
| |
| if (gateway == null) { |
| // these are floating IP related cases... |
| setComputeNodeToGatewayHelper(instPort, osNet, |
| ImmutableSet.copyOf(finalGws), install); |
| |
| } else { |
| // these are openstack node related cases... |
| if (install) { |
| if (completedGws.contains(gateway)) { |
| if (completedGws.size() > 1) { |
| finalGws.remove(gateway); |
| setComputeNodeToGatewayHelper(instPort, osNet, |
| ImmutableSet.copyOf(finalGws), false); |
| finalGws.add(gateway); |
| } |
| |
| setComputeNodeToGatewayHelper(instPort, osNet, |
| ImmutableSet.copyOf(finalGws), true); |
| } else { |
| log.warn("Detected node should be included in completed gateway set"); |
| } |
| } else { |
| if (!completedGws.contains(gateway)) { |
| finalGws.add(gateway); |
| setComputeNodeToGatewayHelper(instPort, osNet, |
| ImmutableSet.copyOf(finalGws), false); |
| finalGws.remove(gateway); |
| if (completedGws.size() >= 1) { |
| setComputeNodeToGatewayHelper(instPort, osNet, |
| ImmutableSet.copyOf(finalGws), true); |
| } |
| } else { |
| log.warn("Detected node should NOT be included in completed gateway set"); |
| } |
| } |
| } |
| } |
| |
| // a helper method |
| private void setComputeNodeToGatewayHelper(InstancePort instPort, |
| Network osNet, |
| Set<OpenstackNode> gateways, |
| boolean install) { |
| |
| TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder() |
| .matchEthType(Ethernet.TYPE_IPV4) |
| .matchIPSrc(instPort.ipAddress().toIpPrefix()) |
| .matchEthDst(Constants.DEFAULT_GATEWAY_MAC); |
| |
| TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); |
| |
| OpenstackNode selectedGatewayNode = getGwByComputeDevId(gateways, instPort.deviceId()); |
| |
| if (selectedGatewayNode == null) { |
| log.warn(ERR_FLOW + "no gateway node selected"); |
| return; |
| } |
| |
| switch (osNet.getNetworkType()) { |
| case VXLAN: |
| if (osNodeService.node(instPort.deviceId()).tunnelPortNum() == null) { |
| log.warn(ERR_FLOW + "no tunnel port"); |
| return; |
| } |
| sBuilder.matchTunnelId(Long.parseLong(osNet.getProviderSegID())); |
| tBuilder.extension(buildExtension( |
| deviceService, |
| instPort.deviceId(), |
| selectedGatewayNode.dataIp().getIp4Address()), |
| instPort.deviceId()) |
| .setOutput(osNodeService.node(instPort.deviceId()).tunnelPortNum()); |
| break; |
| case VLAN: |
| if (osNodeService.node(instPort.deviceId()).vlanPortNum() == null) { |
| log.warn(ERR_FLOW + "no vlan port"); |
| return; |
| } |
| sBuilder.matchVlanId(VlanId.vlanId(osNet.getProviderSegID())); |
| tBuilder.setOutput(osNodeService.node(instPort.deviceId()).vlanPortNum()); |
| break; |
| default: |
| log.warn(ERR_FLOW + "no supported network type"); |
| } |
| |
| osFlowRuleService.setRule( |
| appId, |
| instPort.deviceId(), |
| sBuilder.build(), |
| tBuilder.build(), |
| PRIORITY_EXTERNAL_FLOATING_ROUTING_RULE, |
| ROUTING_TABLE, |
| install); |
| log.trace("Succeeded to set flow rules from compute node to gateway on compute node"); |
| } |
| |
| private void setDownstreamExternalRulesHelper(NetFloatingIP floatingIp, |
| Network osNet, |
| InstancePort instPort, |
| ExternalPeerRouter externalPeerRouter, |
| Set<OpenstackNode> gateways, boolean install) { |
| OpenstackNode cNode = osNodeService.node(instPort.deviceId()); |
| if (cNode == null) { |
| final String error = String.format("Cannot find openstack node for device %s", |
| instPort.deviceId()); |
| throw new IllegalStateException(error); |
| } |
| if (osNet.getNetworkType() == NetworkType.VXLAN && cNode.dataIp() == null) { |
| final String errorFormat = ERR_FLOW + "VXLAN mode is not ready for %s"; |
| final String error = String.format(errorFormat, floatingIp, cNode.hostname()); |
| throw new IllegalStateException(error); |
| } |
| if (osNet.getNetworkType() == NetworkType.VLAN && cNode.vlanIntf() == null) { |
| final String errorFormat = ERR_FLOW + "VLAN mode is not ready for %s"; |
| final String error = String.format(errorFormat, floatingIp, cNode.hostname()); |
| throw new IllegalStateException(error); |
| } |
| |
| IpAddress floating = IpAddress.valueOf(floatingIp.getFloatingIpAddress()); |
| |
| OpenstackNode selectedGatewayNode = getGwByComputeDevId(gateways, instPort.deviceId()); |
| |
| if (selectedGatewayNode == null) { |
| final String errorFormat = ERR_FLOW + "no gateway node selected"; |
| throw new IllegalStateException(errorFormat); |
| } |
| |
| TrafficSelector.Builder externalSelectorBuilder = DefaultTrafficSelector.builder() |
| .matchEthType(Ethernet.TYPE_IPV4) |
| .matchInPort(selectedGatewayNode.uplinkPortNum()) |
| .matchIPDst(floating.toIpPrefix()); |
| |
| TrafficTreatment.Builder externalTreatmentBuilder = DefaultTrafficTreatment.builder() |
| .setEthSrc(Constants.DEFAULT_GATEWAY_MAC) |
| .setEthDst(instPort.macAddress()) |
| .setIpDst(instPort.ipAddress().getIp4Address()); |
| |
| if (!externalPeerRouter.vlanId().equals(VlanId.NONE)) { |
| externalSelectorBuilder.matchVlanId(externalPeerRouter.vlanId()).build(); |
| externalTreatmentBuilder.popVlan(); |
| } |
| |
| switch (osNet.getNetworkType()) { |
| case VXLAN: |
| externalTreatmentBuilder.setTunnelId(Long.valueOf(osNet.getProviderSegID())) |
| .extension(buildExtension( |
| deviceService, |
| selectedGatewayNode.intgBridge(), |
| cNode.dataIp().getIp4Address()), |
| selectedGatewayNode.intgBridge()) |
| .setOutput(selectedGatewayNode.tunnelPortNum()); |
| break; |
| case VLAN: |
| externalTreatmentBuilder.pushVlan() |
| .setVlanId(VlanId.vlanId(osNet.getProviderSegID())) |
| .setOutput(selectedGatewayNode.vlanPortNum()); |
| break; |
| default: |
| final String error = String.format(ERR_UNSUPPORTED_NET_TYPE, |
| osNet.getNetworkType()); |
| throw new IllegalStateException(error); |
| } |
| |
| osFlowRuleService.setRule( |
| appId, |
| selectedGatewayNode.intgBridge(), |
| externalSelectorBuilder.build(), |
| externalTreatmentBuilder.build(), |
| PRIORITY_FLOATING_EXTERNAL, |
| GW_COMMON_TABLE, |
| install); |
| } |
| |
| private void setUpstreamRules(NetFloatingIP floatingIp, Network osNet, |
| InstancePort instPort, |
| ExternalPeerRouter externalPeerRouter, |
| boolean install) { |
| IpAddress floating = IpAddress.valueOf(floatingIp.getFloatingIpAddress()); |
| TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder() |
| .matchEthType(Ethernet.TYPE_IPV4) |
| .matchIPSrc(instPort.ipAddress().toIpPrefix()); |
| |
| switch (osNet.getNetworkType()) { |
| case VXLAN: |
| sBuilder.matchTunnelId(Long.valueOf(osNet.getProviderSegID())); |
| break; |
| case VLAN: |
| sBuilder.matchVlanId(VlanId.vlanId(osNet.getProviderSegID())); |
| break; |
| default: |
| final String error = String.format(ERR_UNSUPPORTED_NET_TYPE, |
| osNet.getNetworkType()); |
| throw new IllegalStateException(error); |
| } |
| |
| TrafficSelector selector = sBuilder.build(); |
| |
| osNodeService.completeNodes(GATEWAY).forEach(gNode -> { |
| TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder() |
| .setIpSrc(floating.getIp4Address()) |
| .setEthSrc(instPort.macAddress()) |
| .setEthDst(externalPeerRouter.macAddress()); |
| |
| if (osNet.getNetworkType().equals(NetworkType.VLAN)) { |
| tBuilder.popVlan(); |
| } |
| |
| if (!externalPeerRouter.vlanId().equals(VlanId.NONE)) { |
| tBuilder.pushVlan().setVlanId(externalPeerRouter.vlanId()); |
| } |
| osFlowRuleService.setRule( |
| appId, |
| gNode.intgBridge(), |
| selector, |
| tBuilder.setOutput(gNode.uplinkPortNum()).build(), |
| PRIORITY_FLOATING_EXTERNAL, |
| GW_COMMON_TABLE, |
| install); |
| }); |
| log.trace("Succeeded to set flow rules for upstream on gateway nodes"); |
| } |
| |
| private void associateFloatingIp(NetFloatingIP osFip) { |
| InstancePort instPort = instancePortService.instancePort(osFip.getPortId()); |
| |
| if (instPort == null) { |
| log.warn("Failed to insert floating IP rule for {} due to missing of port info.", |
| osFip.getFloatingIpAddress()); |
| return; |
| } |
| |
| // set floating IP rules only if the port is associated to a VM |
| if (!Strings.isNullOrEmpty(instPort.deviceId().toString())) { |
| setFloatingIpRules(osFip, instPort, null, true); |
| processGratuitousArpPacket(osFip, instPort); |
| |
| } |
| } |
| |
| private void processGratuitousArpPacket(NetFloatingIP floatingIP, |
| InstancePort instancePort) { |
| Set<OpenstackNode> gws = ImmutableSet.copyOf(osNodeService.completeNodes(GATEWAY)); |
| |
| Network osNet = osNetworkService.network(instancePort.networkId()); |
| |
| |
| OpenstackNode selectedGw = getGwByInstancePort(gws, instancePort); |
| ExternalPeerRouter externalPeerRouter = |
| externalPeerRouterForNetwork(osNet, osNetworkService, osRouterAdminService); |
| if (externalPeerRouter == null) { |
| log.error("Failed to process GARP packet for floating ip {} " + |
| "because no external peer router found"); |
| return; |
| } |
| |
| processGarpPacketForFloatingIp(floatingIP, instancePort, |
| externalPeerRouter.vlanId(), selectedGw, packetService); |
| |
| } |
| |
| private void disassociateFloatingIp(NetFloatingIP osFip, String portId) { |
| InstancePort instPort = instancePortService.instancePort(portId); |
| |
| if (instPort == null) { |
| log.warn("Failed to remove floating IP rule for {} due to missing of port info.", |
| osFip.getFloatingIpAddress()); |
| return; |
| } |
| |
| // set floating IP rules only if the port is associated to a VM |
| if (!Strings.isNullOrEmpty(instPort.deviceId().toString())) { |
| setFloatingIpRules(osFip, instPort, null, false); |
| } |
| } |
| |
| private class InternalFloatingIpListener implements OpenstackRouterListener { |
| |
| @Override |
| public boolean isRelevant(OpenstackRouterEvent event) { |
| return event.floatingIp() != null; |
| } |
| |
| private boolean isRelevantHelper() { |
| return Objects.equals(localNodeId, leadershipService.getLeader(appId.name())); |
| } |
| |
| @Override |
| public void event(OpenstackRouterEvent event) { |
| switch (event.type()) { |
| case OPENSTACK_FLOATING_IP_ASSOCIATED: |
| eventExecutor.execute(() -> { |
| |
| if (!isRelevantHelper()) { |
| return; |
| } |
| |
| NetFloatingIP osFip = event.floatingIp(); |
| if (instancePortService.instancePort(osFip.getPortId()) != null) { |
| associateFloatingIp(osFip); |
| log.info("Associated floating IP {}:{}", |
| osFip.getFloatingIpAddress(), |
| osFip.getFixedIpAddress()); |
| } |
| }); |
| break; |
| case OPENSTACK_FLOATING_IP_DISASSOCIATED: |
| eventExecutor.execute(() -> { |
| |
| if (!isRelevantHelper()) { |
| return; |
| } |
| |
| NetFloatingIP osFip = event.floatingIp(); |
| if (instancePortService.instancePort(event.portId()) != null) { |
| disassociateFloatingIp(osFip, event.portId()); |
| log.info("Disassociated floating IP {}:{}", |
| osFip.getFloatingIpAddress(), |
| osFip.getFixedIpAddress()); |
| } |
| }); |
| break; |
| case OPENSTACK_FLOATING_IP_CREATED: |
| eventExecutor.execute(() -> { |
| |
| if (!isRelevantHelper()) { |
| return; |
| } |
| |
| NetFloatingIP osFip = event.floatingIp(); |
| String portId = osFip.getPortId(); |
| if (!Strings.isNullOrEmpty(portId) && |
| instancePortService.instancePort(portId) != null) { |
| associateFloatingIp(event.floatingIp()); |
| } |
| log.info("Created floating IP {}", osFip.getFloatingIpAddress()); |
| }); |
| break; |
| case OPENSTACK_FLOATING_IP_REMOVED: |
| eventExecutor.execute(() -> { |
| |
| if (!isRelevantHelper()) { |
| return; |
| } |
| |
| NetFloatingIP osFip = event.floatingIp(); |
| String portId = osFip.getPortId(); |
| if (!Strings.isNullOrEmpty(osFip.getPortId())) { |
| // in case the floating IP is not associated with any port due to |
| // port removal, we simply do not execute floating IP disassociation |
| if (osNetworkService.port(portId) != null && |
| instancePortService.instancePort(portId) != null) { |
| disassociateFloatingIp(osFip, portId); |
| } |
| |
| // since we skip floating IP disassociation, we need to |
| // manually unsubscribe the port pre-remove event |
| preCommitPortService.unsubscribePreCommit(osFip.getPortId(), |
| OPENSTACK_PORT_PRE_REMOVE, instancePortService, |
| this.getClass().getName()); |
| log.info("Unsubscribed the port {} on listening pre-remove event", |
| osFip.getPortId()); |
| } |
| log.info("Removed floating IP {}", osFip.getFloatingIpAddress()); |
| }); |
| break; |
| case OPENSTACK_FLOATING_IP_UPDATED: |
| case OPENSTACK_ROUTER_CREATED: |
| case OPENSTACK_ROUTER_UPDATED: |
| case OPENSTACK_ROUTER_REMOVED: |
| case OPENSTACK_ROUTER_INTERFACE_ADDED: |
| case OPENSTACK_ROUTER_INTERFACE_UPDATED: |
| case OPENSTACK_ROUTER_INTERFACE_REMOVED: |
| default: |
| // do nothing for the other events |
| break; |
| } |
| } |
| } |
| |
| private class InternalNodeListener implements OpenstackNodeListener { |
| |
| @Override |
| public boolean isRelevant(OpenstackNodeEvent event) { |
| return event.subject().type() == GATEWAY; |
| } |
| |
| private boolean isRelevantHelper() { |
| return Objects.equals(localNodeId, leadershipService.getLeader(appId.name())); |
| } |
| |
| @Override |
| public void event(OpenstackNodeEvent event) { |
| |
| switch (event.type()) { |
| case OPENSTACK_NODE_COMPLETE: |
| eventExecutor.execute(() -> { |
| |
| if (!isRelevantHelper()) { |
| return; |
| } |
| |
| for (NetFloatingIP fip : osRouterAdminService.floatingIps()) { |
| |
| if (Strings.isNullOrEmpty(fip.getPortId())) { |
| continue; |
| } |
| |
| Port osPort = osNetworkService.port(fip.getPortId()); |
| InstancePort instPort = instancePortService.instancePort(fip.getPortId()); |
| |
| // we check both Openstack Port and Instance Port |
| if (osPort == null || instPort == null) { |
| continue; |
| } |
| |
| setFloatingIpRules(fip, instPort, event.subject(), true); |
| } |
| }); |
| break; |
| case OPENSTACK_NODE_INCOMPLETE: |
| eventExecutor.execute(() -> { |
| |
| if (!isRelevantHelper()) { |
| return; |
| } |
| |
| for (NetFloatingIP fip : osRouterAdminService.floatingIps()) { |
| if (Strings.isNullOrEmpty(fip.getPortId())) { |
| continue; |
| } |
| Port osPort = osNetworkService.port(fip.getPortId()); |
| if (osPort == null) { |
| log.warn("Failed to set floating IP {}", fip.getId()); |
| continue; |
| } |
| Network osNet = osNetworkService.network(osPort.getNetworkId()); |
| if (osNet == null) { |
| final String errorFormat = ERR_FLOW + "no network(%s) exists"; |
| final String error = String.format(errorFormat, |
| fip.getFloatingIpAddress(), |
| osPort.getNetworkId()); |
| throw new IllegalStateException(error); |
| } |
| MacAddress srcMac = MacAddress.valueOf(osPort.getMacAddress()); |
| log.trace("Mac address of openstack port: {}", srcMac); |
| InstancePort instPort = instancePortService.instancePort(srcMac); |
| |
| if (instPort == null) { |
| final String errorFormat = ERR_FLOW + "no host(MAC:%s) found"; |
| final String error = String.format(errorFormat, |
| fip.getFloatingIpAddress(), srcMac); |
| throw new IllegalStateException(error); |
| } |
| |
| ExternalPeerRouter externalPeerRouter = externalPeerRouterForNetwork(osNet, |
| osNetworkService, osRouterAdminService); |
| if (externalPeerRouter == null) { |
| final String errorFormat = ERR_FLOW + "no external peer router found"; |
| throw new IllegalStateException(errorFormat); |
| } |
| |
| updateComputeNodeRules(instPort, osNet, event.subject(), false); |
| updateGatewayNodeRules(fip, instPort, osNet, |
| externalPeerRouter, event.subject(), false); |
| } |
| }); |
| break; |
| default: |
| // do nothing |
| break; |
| } |
| } |
| } |
| |
| private class InternalInstancePortListener implements InstancePortListener { |
| |
| private boolean isRelevantHelper(InstancePortEvent event) { |
| |
| if (event.type() == OPENSTACK_INSTANCE_MIGRATION_ENDED || |
| event.type() == OPENSTACK_INSTANCE_MIGRATION_STARTED) { |
| Set<NetFloatingIP> ips = osRouterAdminService.floatingIps(); |
| NetFloatingIP fip = associatedFloatingIp(event.subject(), ips); |
| |
| // we check the possible NPE to avoid duplicated null check |
| // for OPENSTACK_INSTANCE_MIGRATION_ENDED and |
| // OPENSTACK_INSTANCE_MIGRATION_STARTED cases |
| if (fip == null || !isAssociatedWithVM(osNetworkService, fip)) { |
| return false; |
| } |
| } |
| |
| return Objects.equals(localNodeId, leadershipService.getLeader(appId.name())); |
| } |
| |
| @Override |
| public void event(InstancePortEvent event) { |
| InstancePort instPort = event.subject(); |
| |
| switch (event.type()) { |
| case OPENSTACK_INSTANCE_PORT_DETECTED: |
| |
| eventExecutor.execute(() -> { |
| |
| if (!isRelevantHelper(event)) { |
| return; |
| } |
| |
| if (instPort != null && instPort.portId() != null) { |
| osRouterAdminService.floatingIps().stream() |
| .filter(f -> f.getPortId() != null) |
| .filter(f -> f.getPortId().equals(instPort.portId())) |
| .forEach(f -> setFloatingIpRules(f, |
| instPort, null, true)); |
| } |
| }); |
| break; |
| |
| case OPENSTACK_INSTANCE_MIGRATION_STARTED: |
| |
| eventExecutor.execute(() -> { |
| |
| if (!isRelevantHelper(event)) { |
| return; |
| } |
| |
| Set<OpenstackNode> gateways = osNodeService.completeNodes(GATEWAY); |
| Set<NetFloatingIP> ips = osRouterAdminService.floatingIps(); |
| NetFloatingIP fip = associatedFloatingIp(event.subject(), ips); |
| |
| if (fip == null) { |
| return; |
| } |
| |
| Port osPort = osNetworkService.port(fip.getPortId()); |
| Network osNet = osNetworkService.network(osPort.getNetworkId()); |
| ExternalPeerRouter externalPeerRouter = externalPeerRouterForNetwork(osNet, |
| osNetworkService, osRouterAdminService); |
| |
| if (externalPeerRouter == null) { |
| final String errorFormat = ERR_FLOW + "no external peer router found"; |
| throw new IllegalStateException(errorFormat); |
| } |
| |
| // since DownstreamExternal rules should only be placed in |
| // corresponding gateway node, we need to install new rule to |
| // the corresponding gateway node |
| setDownstreamExternalRulesHelper(fip, osNet, |
| event.subject(), externalPeerRouter, gateways, true); |
| |
| // since ComputeNodeToGateway rules should only be placed in |
| // corresponding compute node, we need to install new rule to |
| // the target compute node, and remove rules from original node |
| setComputeNodeToGatewayHelper(event.subject(), osNet, gateways, true); |
| }); |
| break; |
| case OPENSTACK_INSTANCE_MIGRATION_ENDED: |
| |
| eventExecutor.execute(() -> { |
| |
| if (!isRelevantHelper(event)) { |
| return; |
| } |
| |
| InstancePort oldInstPort = swapStaleLocation(event.subject()); |
| |
| Set<NetFloatingIP> ips = osRouterAdminService.floatingIps(); |
| NetFloatingIP fip = associatedFloatingIp(oldInstPort, ips); |
| |
| if (fip == null) { |
| return; |
| } |
| |
| Set<OpenstackNode> gateways = osNodeService.completeNodes(GATEWAY); |
| Port osPort = osNetworkService.port(fip.getPortId()); |
| Network osNet = osNetworkService.network(osPort.getNetworkId()); |
| ExternalPeerRouter externalPeerRouter = externalPeerRouterForNetwork(osNet, |
| osNetworkService, osRouterAdminService); |
| |
| if (externalPeerRouter == null) { |
| final String errorFormat = ERR_FLOW + "no external peer router found"; |
| throw new IllegalStateException(errorFormat); |
| } |
| |
| // We need to remove the old ComputeNodeToGateway rules from |
| // original compute node |
| setComputeNodeToGatewayHelper(oldInstPort, osNet, gateways, false); |
| |
| // If we only have one gateway, we simply do not remove any |
| // flow rules from either gateway or compute node |
| if (gateways.size() == 1) { |
| return; |
| } |
| |
| // Checks whether the destination compute node's device id |
| // has identical gateway hash or not |
| // if it is true, we simply do not remove the rules, as |
| // it has been overwritten at port detention event |
| // if it is false, we will remove the rules |
| DeviceId newDeviceId = event.subject().deviceId(); |
| DeviceId oldDeviceId = oldInstPort.deviceId(); |
| |
| OpenstackNode oldGateway = getGwByComputeDevId(gateways, oldDeviceId); |
| OpenstackNode newGateway = getGwByComputeDevId(gateways, newDeviceId); |
| |
| if (oldGateway != null && oldGateway.equals(newGateway)) { |
| return; |
| } |
| |
| // Since DownstreamExternal rules should only be placed in |
| // corresponding gateway node, we need to remove old rule from |
| // the corresponding gateway node |
| setDownstreamExternalRulesHelper(fip, osNet, oldInstPort, |
| externalPeerRouter, gateways, false); |
| }); |
| break; |
| default: |
| break; |
| } |
| } |
| } |
| |
| private class InternalOpenstackNetworkListener implements OpenstackNetworkListener { |
| |
| private boolean isRelevantHelper() { |
| return Objects.equals(localNodeId, leadershipService.getLeader(appId.name())); |
| } |
| |
| @Override |
| public void event(OpenstackNetworkEvent event) { |
| switch (event.type()) { |
| case OPENSTACK_PORT_PRE_REMOVE: |
| eventExecutor.execute(() -> { |
| |
| if (!isRelevantHelper()) { |
| return; |
| } |
| |
| processPortPreRemove(event); |
| }); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| private void processPortPreRemove(OpenstackNetworkEvent event) { |
| InstancePort instPort = instancePortService.instancePort( |
| event.port().getId()); |
| if (instPort == null) { |
| return; |
| } |
| NetFloatingIP fip = associatedFloatingIp(instPort, |
| osRouterAdminService.floatingIps()); |
| |
| if (fip != null) { |
| instancePortService.updateInstancePort( |
| instPort.updateState(REMOVE_PENDING)); |
| updateFipStore(event.port().getId()); |
| } else { |
| instancePortService.removeInstancePort(instPort.portId()); |
| } |
| } |
| |
| private void updateFipStore(String portId) { |
| |
| if (portId == null) { |
| return; |
| } |
| |
| Set<NetFloatingIP> ips = osRouterAdminService.floatingIps(); |
| for (NetFloatingIP fip : ips) { |
| if (Strings.isNullOrEmpty(fip.getFixedIpAddress())) { |
| continue; |
| } |
| if (Strings.isNullOrEmpty(fip.getFloatingIpAddress())) { |
| continue; |
| } |
| if (fip.getPortId().equals(portId)) { |
| NeutronFloatingIP neutronFip = (NeutronFloatingIP) fip; |
| // invalidate bound fixed IP and port |
| neutronFip.setFixedIpAddress(null); |
| neutronFip.setPortId(null); |
| |
| // Following update will in turn trigger |
| // OPENSTACK_FLOATING_IP_DISASSOCIATED event |
| osRouterAdminService.updateFloatingIp(neutronFip); |
| log.info("Updated floating IP {}, due to host removal", |
| neutronFip.getFloatingIpAddress()); |
| } |
| } |
| } |
| } |
| } |