| /* |
| * 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 com.google.common.collect.ImmutableSet; |
| 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.onosproject.core.ApplicationId; |
| import org.onosproject.core.CoreService; |
| import org.onosproject.event.ListenerRegistry; |
| import org.onosproject.net.Host; |
| import org.onosproject.net.HostId; |
| import org.onosproject.net.config.NetworkConfigService; |
| import org.onosproject.net.host.HostService; |
| import org.opencord.cordvtn.api.Constants; |
| import org.opencord.cordvtn.api.config.CordVtnConfig; |
| import org.opencord.cordvtn.api.config.OpenStackConfig; |
| import org.opencord.cordvtn.api.config.XosConfig; |
| import org.opencord.cordvtn.api.core.CordVtnAdminService; |
| import org.opencord.cordvtn.api.core.CordVtnService; |
| import org.opencord.cordvtn.api.core.CordVtnStore; |
| import org.opencord.cordvtn.api.core.CordVtnStoreDelegate; |
| import org.opencord.cordvtn.api.instance.Instance; |
| import org.opencord.cordvtn.api.net.NetworkId; |
| import org.opencord.cordvtn.api.net.NetworkService; |
| import org.opencord.cordvtn.api.net.PortId; |
| import org.opencord.cordvtn.api.net.ServiceNetwork; |
| import org.opencord.cordvtn.api.net.ServiceNetworkService; |
| import org.opencord.cordvtn.api.net.ServicePort; |
| import org.opencord.cordvtn.api.net.SubnetId; |
| import org.opencord.cordvtn.api.net.VtnNetwork; |
| import org.opencord.cordvtn.api.net.VtnNetworkEvent; |
| import org.opencord.cordvtn.api.net.VtnNetworkListener; |
| import org.opencord.cordvtn.api.net.VtnPort; |
| import org.opencord.cordvtn.impl.external.OpenStackNetworking; |
| import org.opencord.cordvtn.impl.external.XosServiceNetworking; |
| 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.HashSet; |
| import java.util.Objects; |
| import java.util.Optional; |
| import java.util.Set; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| 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, NetworkService, |
| ServiceNetworkService { |
| |
| 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_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 NetworkConfigService configService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected CoreService coreService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected HostService hostService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected CordVtnStore store; |
| |
| private final CordVtnStoreDelegate delegate = new InternalCordVtnStoreDelegate(); |
| private ApplicationId appId; |
| |
| @Activate |
| protected void activate() { |
| appId = coreService.registerApplication(Constants.CORDVTN_APP_ID); |
| store.setDelegate(delegate); |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| protected void deactivate() { |
| store.unsetDelegate(delegate); |
| log.info("Stopped"); |
| } |
| |
| @Override |
| public void purgeStates() { |
| store.clear(); |
| } |
| |
| @Override |
| public void syncStates() { |
| syncNetwork(); |
| syncServiceNetwork(); |
| } |
| |
| @Override |
| public void createServiceNetwork(ServiceNetwork serviceNet) { |
| checkNotNull(serviceNet, ERR_NULL_SERVICE_NET); |
| synchronized (this) { |
| Network network = store.network(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.network(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 updateServiceNetwork(ServiceNetwork serviceNet) { |
| checkNotNull(serviceNet, ERR_NULL_SERVICE_NET); |
| synchronized (this) { |
| VtnNetwork existing = store.vtnNetwork(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 removeServiceNetwork(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 createServicePort(ServicePort servicePort) { |
| checkNotNull(servicePort, ERR_NULL_SERVICE_PORT); |
| synchronized (this) { |
| Port port = store.port(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 updateServicePort(ServicePort servicePort) { |
| checkNotNull(servicePort, ERR_NULL_SERVICE_PORT); |
| synchronized (this) { |
| VtnPort vtnPort = store.vtnPort(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 removeServicePort(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.network(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.network(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); |
| } |
| removeServicePort(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.network(NetworkId.of(subnet.getNetworkId())) == null) { |
| final String error = ERR_SYNC + subnet.getNetworkId() + ERR_NOT_FOUND; |
| throw new IllegalStateException(error); |
| } |
| |
| Subnet existing = getSubnet(NetworkId.of(subnet.getNetworkId())); |
| if (existing != null && !Objects.equals(existing.getId(), subnet.getId())) { |
| // 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.network(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) { |
| removeServiceNetwork(NetworkId.of(store.subnet(subnetId).getNetworkId())); |
| store.removeSubnet(subnetId); |
| log.info(String.format(MSG_SUBNET, REMOVED, subnetId)); |
| } |
| } |
| |
| @Override |
| public VtnNetwork vtnNetwork(NetworkId netId) { |
| checkNotNull(netId, ERR_NULL_NET_ID); |
| |
| // return default VTN network if the network and subnet exist |
| VtnNetwork vtnNet = store.vtnNetwork(netId); |
| return vtnNet == null ? getDefaultVtnNetwork(netId) : vtnNet; |
| } |
| |
| @Override |
| public Set<VtnNetwork> vtnNetworks() { |
| // TODO implement |
| return ImmutableSet.of(); |
| } |
| |
| @Override |
| public VtnPort vtnPort(PortId portId) { |
| checkNotNull(portId, ERR_NULL_PORT_ID); |
| |
| // return default VTN port if the port exists |
| VtnPort vtnPort = store.vtnPort(portId); |
| return vtnPort == null ? getDefaultPort(portId) : vtnPort; |
| } |
| |
| @Override |
| public VtnPort vtnPort(String portName) { |
| Optional<Port> port = store.ports() |
| .stream() |
| .filter(p -> p.getId().contains(portName.substring(3))) |
| .findFirst(); |
| if (!port.isPresent()) { |
| return null; |
| } |
| return vtnPort(PortId.of(port.get().getId())); |
| } |
| |
| @Override |
| public Set<VtnPort> vtnPorts() { |
| // TODO implement |
| return ImmutableSet.of(); |
| } |
| |
| @Override |
| public ServiceNetwork serviceNetwork(NetworkId netId) { |
| checkNotNull(netId, ERR_NULL_NET_ID); |
| return store.vtnNetwork(netId); |
| } |
| |
| @Override |
| public Set<ServiceNetwork> serviceNetworks() { |
| return new HashSet<>(store.vtnNetworks()); |
| } |
| |
| @Override |
| public ServicePort servicePort(PortId portId) { |
| checkNotNull(portId, ERR_NULL_PORT_ID); |
| return store.vtnPort(portId); |
| } |
| |
| @Override |
| public Set<ServicePort> servicePorts() { |
| return new HashSet<>(store.vtnPorts()); |
| } |
| |
| @Override |
| public Network network(NetworkId netId) { |
| checkNotNull(netId, ERR_NULL_NET_ID); |
| return store.network(netId); |
| } |
| |
| @Override |
| public Set<Network> networks() { |
| return store.networks(); |
| } |
| |
| @Override |
| public Port port(PortId portId) { |
| checkNotNull(portId, ERR_NULL_PORT_ID); |
| return store.port(portId); |
| } |
| |
| @Override |
| public Set<Port> ports() { |
| return store.ports(); |
| } |
| |
| @Override |
| public Subnet subnet(SubnetId subnetId) { |
| checkNotNull(subnetId, ERR_NULL_SUBNET_ID); |
| return store.subnet(subnetId); |
| } |
| |
| @Override |
| public Set<Subnet> subnets() { |
| return store.subnets(); |
| } |
| |
| private void syncNetwork() { |
| CordVtnConfig config = configService.getConfig(appId, CordVtnConfig.class); |
| if (config == null) { |
| final String error = "Failed to read network configurations"; |
| throw new IllegalArgumentException(error); |
| } |
| |
| OpenStackConfig osConfig = config.openStackConfig(); |
| NetworkService netService = OpenStackNetworking.builder() |
| .endpoint(osConfig.endpoint()) |
| .tenant(osConfig.tenant()) |
| .user(osConfig.user()) |
| .password(osConfig.password()) |
| .build(); |
| |
| netService.networks().forEach(this::createNetwork); |
| netService.subnets().forEach(this::createSubnet); |
| netService.ports().forEach(this::createPort); |
| } |
| |
| private void syncServiceNetwork() { |
| CordVtnConfig config = configService.getConfig(appId, CordVtnConfig.class); |
| if (config == null) { |
| final String error = "Failed to read network configurations"; |
| throw new IllegalArgumentException(error); |
| } |
| |
| XosConfig xosConfig = config.xosConfig(); |
| ServiceNetworkService snetService = XosServiceNetworking.builder() |
| .endpoint(xosConfig.endpoint()) |
| .user(xosConfig.user()) |
| .password(xosConfig.password()) |
| .build(); |
| |
| snetService.serviceNetworks().forEach(this::createServiceNetwork); |
| snetService.servicePorts().forEach(this::createServicePort); |
| } |
| |
| private Instance getInstance(PortId portId) { |
| VtnPort vtnPort = vtnPort(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); |
| } |
| |
| private VtnNetwork getDefaultVtnNetwork(NetworkId netId) { |
| Network network = network(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 = port(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 = subnets().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); |
| } |
| } |
| } |
| } |