| /* |
| * Copyright 2016-present 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.opencord.cordvtn.impl; |
| |
| 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.util.Tools; |
| import org.onosproject.event.ListenerRegistry; |
| import org.onosproject.net.Host; |
| import org.onosproject.net.HostId; |
| import org.onosproject.net.host.HostService; |
| import org.opencord.cordvtn.api.CordVtnAdminService; |
| import org.opencord.cordvtn.api.CordVtnService; |
| import org.opencord.cordvtn.api.CordVtnStore; |
| import org.opencord.cordvtn.api.CordVtnStoreDelegate; |
| import org.opencord.cordvtn.api.Instance; |
| import org.opencord.cordvtn.api.NetworkId; |
| import org.opencord.cordvtn.api.PortId; |
| import org.opencord.cordvtn.api.ServiceNetwork; |
| import org.opencord.cordvtn.api.ServicePort; |
| import org.opencord.cordvtn.api.SubnetId; |
| import org.opencord.cordvtn.api.VtnNetwork; |
| import org.opencord.cordvtn.api.VtnNetworkEvent; |
| import org.opencord.cordvtn.api.VtnNetworkListener; |
| import org.opencord.cordvtn.api.VtnPort; |
| import org.openstack4j.model.network.Network; |
| import org.openstack4j.model.network.Port; |
| import org.openstack4j.model.network.Subnet; |
| import org.slf4j.Logger; |
| |
| import java.util.Objects; |
| import java.util.Optional; |
| import java.util.Set; |
| import java.util.stream.Collectors; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static org.opencord.cordvtn.api.Instance.NETWORK_ID; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Provides implementation of administering and interfacing VTN networks. |
| */ |
| @Component(immediate = true) |
| @Service |
| public class CordVtnManager extends ListenerRegistry<VtnNetworkEvent, VtnNetworkListener> |
| implements CordVtnAdminService, CordVtnService { |
| |
| protected final Logger log = getLogger(getClass()); |
| |
| private static final String MSG_SERVICE_NET = "VTN network %s %s"; |
| private static final String MSG_SERVICE_PORT = "VTN port %s %s"; |
| private static final String MSG_NET = "Network %s %s"; |
| private static final String MSG_PORT = "Port %s %s"; |
| private static final String MSG_SUBNET = "Subnet %s %s"; |
| |
| private static final String CREATED = "created"; |
| private static final String UPDATED = "updated"; |
| private static final String REMOVED = "removed"; |
| |
| private static final String ERR_NULL_SERVICE_PORT = "Service port cannot be null"; |
| private static final String ERR_NULL_SERVICE_NET = "Service network cannot be null"; |
| private static final String ERR_NULL_PORT = "Port cannot be null"; |
| private static final String ERR_NULL_NET = "Network cannot be null"; |
| private static final String ERR_NULL_SUBNET = "Subnet cannot be null"; |
| private static final String ERR_NULL_PORT_ID = "Port ID cannot be null"; |
| private static final String ERR_NULL_NET_ID = "Network ID cannot be null"; |
| private static final String ERR_NULL_SUBNET_ID = "Subnet ID cannot be null"; |
| |
| private static final String ERR_SYNC = "VTN store is out of sync: "; |
| private static final String ERR_NOT_FOUND = " does not exist"; |
| private static final String ERR_IN_USE_INSTANCE = "There are instances still in use on the network %s"; |
| private static final String ERR_IN_USE_NETWORK = "There are subscribers still in use on the network %s"; |
| private static final String ERR_IN_USE_PORT = "There are ports still in use on the network %s"; |
| private static final String ERR_SUBNET_DUPLICATE = "Subnet already exists for network %s"; |
| |
| private static final String PORT = "port "; |
| private static final String NETWORK = "network "; |
| private static final String SUBNET = "subnet for "; |
| private static final String PROVIDER = "provider "; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected HostService hostService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected CordVtnStore store; |
| |
| private CordVtnStoreDelegate delegate = new InternalCordVtnStoreDelegate(); |
| |
| @Activate |
| protected void activate() { |
| store.setDelegate(delegate); |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| protected void deactivate() { |
| store.unsetDelegate(delegate); |
| log.info("Stopped"); |
| } |
| |
| @Override |
| public void createVtnNetwork(ServiceNetwork serviceNet) { |
| checkNotNull(serviceNet, ERR_NULL_SERVICE_NET); |
| synchronized (this) { |
| Network network = store.getNetwork(serviceNet.id()); |
| if (network == null) { |
| final String error = ERR_SYNC + NETWORK + serviceNet.id() + ERR_NOT_FOUND; |
| throw new IllegalStateException(error); |
| } |
| |
| Subnet subnet = getSubnet(serviceNet.id()); |
| if (subnet == null) { |
| final String error = ERR_SYNC + SUBNET + serviceNet.id() + ERR_NOT_FOUND; |
| throw new IllegalStateException(error); |
| } |
| |
| // TODO check VTN network instead of network |
| serviceNet.providers().stream().forEach(provider -> { |
| if (store.getNetwork(provider.id()) == null) { |
| final String error = ERR_SYNC + PROVIDER + provider.id() + ERR_NOT_FOUND; |
| throw new IllegalStateException(error); |
| } |
| }); |
| |
| store.createVtnNetwork(VtnNetwork.of(network, subnet, serviceNet)); |
| log.info(String.format(MSG_SERVICE_NET, CREATED, serviceNet.id())); |
| } |
| } |
| |
| @Override |
| public void updateVtnNetwork(ServiceNetwork serviceNet) { |
| checkNotNull(serviceNet, ERR_NULL_SERVICE_NET); |
| synchronized (this) { |
| VtnNetwork existing = store.getVtnNetwork(serviceNet.id()); |
| if (existing == null) { |
| final String error = ERR_SYNC + NETWORK + serviceNet.id() + ERR_NOT_FOUND; |
| throw new IllegalStateException(error); |
| } |
| // only providers update is allowed |
| VtnNetwork updated = VtnNetwork.builder(existing) |
| .providers(serviceNet.providers()) |
| .build(); |
| store.updateVtnNetwork(updated); |
| log.info(String.format(MSG_SERVICE_NET, UPDATED, serviceNet.id())); |
| } |
| } |
| |
| @Override |
| public void removeVtnNetwork(NetworkId netId) { |
| checkNotNull(netId, ERR_NULL_NET_ID); |
| // TODO check if the network still exists? |
| store.removeVtnNetwork(netId); |
| log.info(String.format(MSG_SERVICE_NET, REMOVED, netId)); |
| } |
| |
| @Override |
| public void createVtnPort(ServicePort servicePort) { |
| checkNotNull(servicePort, ERR_NULL_SERVICE_PORT); |
| synchronized (this) { |
| Port port = store.getPort(servicePort.id()); |
| if (port == null) { |
| final String error = ERR_SYNC + PORT + servicePort.id() + ERR_NOT_FOUND; |
| throw new IllegalStateException(error); |
| } |
| store.createVtnPort(VtnPort.of(port, servicePort)); |
| log.info(String.format(MSG_SERVICE_PORT, CREATED, servicePort.id())); |
| } |
| } |
| |
| @Override |
| public void updateVtnPort(ServicePort servicePort) { |
| checkNotNull(servicePort, ERR_NULL_SERVICE_PORT); |
| synchronized (this) { |
| VtnPort vtnPort = store.getVtnPort(servicePort.id()); |
| if (vtnPort == null) { |
| final String error = ERR_SYNC + PORT + servicePort.id() + ERR_NOT_FOUND; |
| throw new IllegalStateException(error); |
| } |
| store.updateVtnPort(VtnPort.of(vtnPort, servicePort)); |
| log.info(String.format(MSG_SERVICE_PORT, UPDATED, servicePort.id())); |
| } |
| } |
| |
| @Override |
| public void removeVtnPort(PortId portId) { |
| checkNotNull(portId, ERR_NULL_PORT_ID); |
| store.removeVtnPort(portId); |
| log.info(String.format(MSG_SERVICE_PORT, REMOVED, portId)); |
| } |
| |
| @Override |
| public void createNetwork(Network network) { |
| checkNotNull(network, ERR_NULL_NET); |
| store.createNetwork(network); |
| log.info(String.format(MSG_NET, CREATED, network.getId())); |
| } |
| |
| @Override |
| public void updateNetwork(Network network) { |
| checkNotNull(network, ERR_NULL_NET); |
| store.updateNetwork(network); |
| log.info(String.format(MSG_NET, UPDATED, network.getId())); |
| } |
| |
| @Override |
| public void removeNetwork(NetworkId netId) { |
| checkNotNull(netId, ERR_NULL_NET_ID); |
| // FIXME Neutron removes network anyway even if there's an exception here |
| store.removeNetwork(netId); |
| log.info(String.format(MSG_NET, REMOVED, netId)); |
| } |
| |
| @Override |
| public void createPort(Port port) { |
| checkNotNull(port, ERR_NULL_PORT); |
| synchronized (this) { |
| if (store.getNetwork(NetworkId.of(port.getNetworkId())) == null) { |
| final String error = ERR_SYNC + port.getNetworkId() + ERR_NOT_FOUND; |
| throw new IllegalStateException(error); |
| } |
| store.createPort(port); |
| log.info(String.format(MSG_PORT, CREATED, port.getId())); |
| } |
| } |
| |
| @Override |
| public void updatePort(Port port) { |
| checkNotNull(port, ERR_NULL_PORT); |
| synchronized (this) { |
| if (store.getNetwork(NetworkId.of(port.getNetworkId())) == null) { |
| final String error = ERR_SYNC + port.getNetworkId() + ERR_NOT_FOUND; |
| throw new IllegalStateException(error); |
| } |
| store.updatePort(port); |
| log.info(String.format(MSG_PORT, UPDATED, port.getId())); |
| } |
| } |
| |
| @Override |
| public void removePort(PortId portId) { |
| checkNotNull(portId, ERR_NULL_PORT_ID); |
| synchronized (this) { |
| if (getInstance(portId) != null) { |
| final String error = String.format(ERR_IN_USE_PORT, portId); |
| throw new IllegalStateException(error); |
| } |
| removeVtnPort(portId); |
| store.removePort(portId); |
| log.info(String.format(MSG_PORT, REMOVED, portId)); |
| } |
| } |
| |
| @Override |
| public void createSubnet(Subnet subnet) { |
| checkNotNull(subnet, ERR_NULL_SUBNET); |
| synchronized (this) { |
| if (store.getNetwork(NetworkId.of(subnet.getNetworkId())) == null) { |
| final String error = ERR_SYNC + subnet.getNetworkId() + ERR_NOT_FOUND; |
| throw new IllegalStateException(error); |
| } |
| |
| if (getSubnet(NetworkId.of(subnet.getNetworkId())) != null) { |
| // CORD does not allow multiple subnets for a network |
| final String error = String.format(ERR_SUBNET_DUPLICATE, subnet.getNetworkId()); |
| throw new IllegalStateException(error); |
| } |
| store.createSubnet(subnet); |
| log.info(String.format(MSG_SUBNET, CREATED, subnet.getId())); |
| } |
| } |
| |
| @Override |
| public void updateSubnet(Subnet subnet) { |
| checkNotNull(subnet, ERR_NULL_SUBNET); |
| synchronized (this) { |
| if (store.getNetwork(NetworkId.of(subnet.getNetworkId())) == null) { |
| final String error = ERR_SYNC + subnet.getNetworkId() + ERR_NOT_FOUND; |
| throw new IllegalStateException(error); |
| } |
| store.updateSubnet(subnet); |
| log.info(String.format(MSG_SUBNET, UPDATED, subnet.getId())); |
| } |
| } |
| |
| @Override |
| public void removeSubnet(SubnetId subnetId) { |
| checkNotNull(subnetId, ERR_NULL_SUBNET_ID); |
| // FIXME Neutron removes network anyway even if there's an exception here |
| synchronized (this) { |
| removeVtnNetwork(NetworkId.of(store.getSubnet(subnetId).getNetworkId())); |
| store.removeSubnet(subnetId); |
| log.info(String.format(MSG_SUBNET, REMOVED, subnetId)); |
| } |
| } |
| |
| @Override |
| public VtnNetwork getVtnNetwork(NetworkId netId) { |
| checkNotNull(netId, ERR_NULL_NET_ID); |
| return store.getVtnNetwork(netId); |
| } |
| |
| @Override |
| public VtnNetwork getVtnNetworkOrDefault(NetworkId netId) { |
| checkNotNull(netId, ERR_NULL_NET_ID); |
| |
| // return default VTN network if the network and subnet exist |
| VtnNetwork vtnNet = store.getVtnNetwork(netId); |
| return vtnNet == null ? getDefaultVtnNetwork(netId) : vtnNet; |
| } |
| |
| @Override |
| public Set<VtnNetwork> getVtnNetworks() { |
| return store.getVtnNetworks(); |
| } |
| |
| @Override |
| public VtnPort getVtnPort(PortId portId) { |
| checkNotNull(portId, ERR_NULL_PORT_ID); |
| return store.getVtnPort(portId); |
| } |
| |
| @Override |
| public VtnPort getVtnPortOrDefault(PortId portId) { |
| checkNotNull(portId, ERR_NULL_PORT_ID); |
| |
| // return default VTN port if the port exists |
| VtnPort vtnPort = store.getVtnPort(portId); |
| return vtnPort == null ? getDefaultPort(portId) : vtnPort; |
| } |
| |
| @Override |
| public VtnPort getVtnPort(String portName) { |
| Optional<Port> port = store.getPorts() |
| .stream() |
| .filter(p -> p.getId().contains(portName.substring(3))) |
| .findFirst(); |
| if (!port.isPresent()) { |
| return null; |
| } |
| return getVtnPortOrDefault(PortId.of(port.get().getId())); |
| } |
| |
| @Override |
| public Set<VtnPort> getVtnPorts() { |
| return store.getVtnPorts(); |
| } |
| |
| @Override |
| public Network getNetwork(NetworkId netId) { |
| checkNotNull(netId, ERR_NULL_NET_ID); |
| return store.getNetwork(netId); |
| } |
| |
| @Override |
| public Set<Network> getNetworks() { |
| return store.getNetworks(); |
| } |
| |
| @Override |
| public Port getPort(PortId portId) { |
| checkNotNull(portId, ERR_NULL_PORT_ID); |
| return store.getPort(portId); |
| } |
| |
| @Override |
| public Set<Port> getPorts() { |
| return store.getPorts(); |
| } |
| |
| @Override |
| public Subnet getSubnet(SubnetId subnetId) { |
| checkNotNull(subnetId, ERR_NULL_SUBNET_ID); |
| return store.getSubnet(subnetId); |
| } |
| |
| @Override |
| public Set<Subnet> getSubnets() { |
| return store.getSubnets(); |
| } |
| |
| @Override |
| public Instance getInstance(PortId portId) { |
| VtnPort vtnPort = getVtnPortOrDefault(portId); |
| if (vtnPort == null) { |
| final String error = "Failed to build VTN port for " + portId.id(); |
| throw new IllegalStateException(error); |
| } |
| |
| Host host = hostService.getHost(HostId.hostId(vtnPort.mac())); |
| if (host == null) { |
| return null; |
| } |
| return Instance.of(host); |
| } |
| |
| @Override |
| public Set<Instance> getInstances(NetworkId netId) { |
| return Tools.stream(hostService.getHosts()) |
| .filter(host -> Objects.equals( |
| host.annotations().value(NETWORK_ID), |
| netId.id())) |
| .map(Instance::of) |
| .collect(Collectors.toSet()); |
| } |
| |
| private VtnNetwork getDefaultVtnNetwork(NetworkId netId) { |
| Network network = getNetwork(netId); |
| Subnet subnet = getSubnet(netId); |
| if (network == null || subnet == null) { |
| return null; |
| } |
| return VtnNetwork.of(network, subnet, null); |
| } |
| |
| private VtnPort getDefaultPort(PortId portId) { |
| Port port = getPort(portId); |
| if (port == null) { |
| return null; |
| } |
| return VtnPort.of(port, null); |
| } |
| |
| private Subnet getSubnet(NetworkId netId) { |
| // TODO fix networking-onos to send Network UPDATE when subnet created |
| Optional<Subnet> subnet = getSubnets().stream() |
| .filter(s -> Objects.equals(s.getNetworkId(), netId.id())) |
| .findFirst(); |
| return subnet.orElse(null); |
| } |
| |
| private class InternalCordVtnStoreDelegate implements CordVtnStoreDelegate { |
| |
| @Override |
| public void notify(VtnNetworkEvent event) { |
| if (event != null) { |
| log.trace("send service network event {}", event); |
| process(event); |
| } |
| } |
| } |
| } |