| /* |
| * Copyright 2017-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 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.CoreService; |
| import org.onosproject.event.ListenerRegistry; |
| import org.onosproject.openstacknetworking.api.Constants; |
| import org.onosproject.openstacknetworking.api.OpenstackNetworkAdminService; |
| import org.onosproject.openstacknetworking.api.OpenstackNetworkEvent; |
| import org.onosproject.openstacknetworking.api.OpenstackNetworkListener; |
| import org.onosproject.openstacknetworking.api.OpenstackNetworkService; |
| import org.onosproject.openstacknetworking.api.OpenstackNetworkStore; |
| import org.onosproject.openstacknetworking.api.OpenstackNetworkStoreDelegate; |
| 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.checkArgument; |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static org.onosproject.net.AnnotationKeys.PORT_NAME; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Provides implementation of administering and interfacing OpenStack network, |
| * subnet, and port. |
| */ |
| @Service |
| @Component(immediate = true) |
| public class OpenstackNetworkManager |
| extends ListenerRegistry<OpenstackNetworkEvent, OpenstackNetworkListener> |
| implements OpenstackNetworkAdminService, OpenstackNetworkService { |
| |
| protected final Logger log = getLogger(getClass()); |
| |
| private static final String MSG_NETWORK = "OpenStack network %s %s"; |
| private static final String MSG_SUBNET = "OpenStack subnet %s %s"; |
| private static final String MSG_PORT = "OpenStack port %s %s"; |
| private static final String MSG_CREATED = "created"; |
| private static final String MSG_UPDATED = "updated"; |
| private static final String MSG_REMOVED = "removed"; |
| |
| private static final String ERR_NULL_NETWORK = "OpenStack network cannot be null"; |
| private static final String ERR_NULL_NETWORK_ID = "OpenStack network ID cannot be null"; |
| private static final String ERR_NULL_NETWORK_NAME = "OpenStack network name cannot be null"; |
| private static final String ERR_NULL_SUBNET = "OpenStack subnet cannot be null"; |
| private static final String ERR_NULL_SUBNET_ID = "OpenStack subnet ID cannot be null"; |
| private static final String ERR_NULL_SUBNET_NET_ID = "OpenStack subnet network ID cannot be null"; |
| private static final String ERR_NULL_SUBNET_CIDR = "OpenStack subnet CIDR cannot be null"; |
| private static final String ERR_NULL_PORT = "OpenStack port cannot be null"; |
| private static final String ERR_NULL_PORT_ID = "OpenStack port ID cannot be null"; |
| private static final String ERR_NULL_PORT_NET_ID = "OpenStack port network ID cannot be null"; |
| |
| private static final String ERR_IN_USE = " still in use"; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected CoreService coreService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected OpenstackNetworkStore osNetworkStore; |
| |
| private final OpenstackNetworkStoreDelegate delegate = new InternalNetworkStoreDelegate(); |
| |
| @Activate |
| protected void activate() { |
| coreService.registerApplication(Constants.OPENSTACK_NETWORKING_APP_ID); |
| osNetworkStore.setDelegate(delegate); |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| protected void deactivate() { |
| osNetworkStore.unsetDelegate(delegate); |
| log.info("Stopped"); |
| } |
| |
| @Override |
| public void createNetwork(Network osNet) { |
| checkNotNull(osNet, ERR_NULL_NETWORK); |
| checkArgument(!Strings.isNullOrEmpty(osNet.getId()), ERR_NULL_NETWORK_ID); |
| |
| osNetworkStore.createNetwork(osNet); |
| log.info(String.format(MSG_NETWORK, osNet.getName(), MSG_CREATED)); |
| } |
| |
| @Override |
| public void updateNetwork(Network osNet) { |
| checkNotNull(osNet, ERR_NULL_NETWORK); |
| checkArgument(!Strings.isNullOrEmpty(osNet.getId()), ERR_NULL_NETWORK_ID); |
| |
| osNetworkStore.updateNetwork(osNet); |
| log.info(String.format(MSG_NETWORK, osNet.getId(), MSG_UPDATED)); |
| } |
| |
| @Override |
| public void removeNetwork(String netId) { |
| checkArgument(!Strings.isNullOrEmpty(netId), ERR_NULL_NETWORK_ID); |
| synchronized (this) { |
| if (isNetworkInUse(netId)) { |
| final String error = String.format(MSG_NETWORK, netId, ERR_IN_USE); |
| throw new IllegalStateException(error); |
| } |
| Network osNet = osNetworkStore.removeNetwork(netId); |
| if (osNet != null) { |
| log.info(String.format(MSG_NETWORK, osNet.getName(), MSG_REMOVED)); |
| } |
| } |
| } |
| |
| @Override |
| public void createSubnet(Subnet osSubnet) { |
| checkNotNull(osSubnet, ERR_NULL_SUBNET); |
| checkArgument(!Strings.isNullOrEmpty(osSubnet.getId()), ERR_NULL_SUBNET_ID); |
| checkArgument(!Strings.isNullOrEmpty(osSubnet.getNetworkId()), ERR_NULL_SUBNET_NET_ID); |
| checkArgument(!Strings.isNullOrEmpty(osSubnet.getCidr()), ERR_NULL_SUBNET_CIDR); |
| |
| osNetworkStore.createSubnet(osSubnet); |
| log.info(String.format(MSG_SUBNET, osSubnet.getCidr(), MSG_CREATED)); |
| } |
| |
| @Override |
| public void updateSubnet(Subnet osSubnet) { |
| checkNotNull(osSubnet, ERR_NULL_SUBNET); |
| checkArgument(!Strings.isNullOrEmpty(osSubnet.getId()), ERR_NULL_SUBNET_ID); |
| checkArgument(!Strings.isNullOrEmpty(osSubnet.getNetworkId()), ERR_NULL_SUBNET_NET_ID); |
| checkArgument(!Strings.isNullOrEmpty(osSubnet.getCidr()), ERR_NULL_SUBNET_CIDR); |
| |
| osNetworkStore.updateSubnet(osSubnet); |
| log.info(String.format(MSG_SUBNET, osSubnet.getCidr(), MSG_UPDATED)); |
| } |
| |
| @Override |
| public void removeSubnet(String subnetId) { |
| checkArgument(!Strings.isNullOrEmpty(subnetId), ERR_NULL_SUBNET_ID); |
| synchronized (this) { |
| if (isSubnetInUse(subnetId)) { |
| final String error = String.format(MSG_SUBNET, subnetId, ERR_IN_USE); |
| throw new IllegalStateException(error); |
| } |
| Subnet osSubnet = osNetworkStore.removeSubnet(subnetId); |
| if (osSubnet != null) { |
| log.info(String.format(MSG_SUBNET, osSubnet.getCidr(), MSG_REMOVED)); |
| } |
| } |
| } |
| |
| @Override |
| public void createPort(Port osPort) { |
| checkNotNull(osPort, ERR_NULL_PORT); |
| checkArgument(!Strings.isNullOrEmpty(osPort.getId()), ERR_NULL_PORT_ID); |
| checkArgument(!Strings.isNullOrEmpty(osPort.getNetworkId()), ERR_NULL_PORT_NET_ID); |
| |
| osNetworkStore.createPort(osPort); |
| log.info(String.format(MSG_PORT, osPort.getId(), MSG_CREATED)); |
| } |
| |
| @Override |
| public void updatePort(Port osPort) { |
| checkNotNull(osPort, ERR_NULL_PORT); |
| checkArgument(!Strings.isNullOrEmpty(osPort.getId()), ERR_NULL_PORT_ID); |
| checkArgument(!Strings.isNullOrEmpty(osPort.getNetworkId()), ERR_NULL_PORT_NET_ID); |
| |
| osNetworkStore.updatePort(osPort); |
| log.info(String.format(MSG_PORT, osPort.getId(), MSG_UPDATED)); |
| } |
| |
| @Override |
| public void removePort(String portId) { |
| checkArgument(!Strings.isNullOrEmpty(portId), ERR_NULL_PORT_ID); |
| synchronized (this) { |
| if (isPortInUse(portId)) { |
| final String error = String.format(MSG_PORT, portId, ERR_IN_USE); |
| throw new IllegalStateException(error); |
| } |
| Port osPort = osNetworkStore.removePort(portId); |
| if (osPort != null) { |
| log.info(String.format(MSG_PORT, osPort.getId(), MSG_REMOVED)); |
| } |
| } |
| } |
| |
| @Override |
| public void clear() { |
| osNetworkStore.clear(); |
| } |
| |
| @Override |
| public Network network(String netId) { |
| checkArgument(!Strings.isNullOrEmpty(netId), ERR_NULL_NETWORK_ID); |
| return osNetworkStore.network(netId); |
| } |
| |
| @Override |
| public Set<Network> networks() { |
| return osNetworkStore.networks(); |
| } |
| |
| @Override |
| public Subnet subnet(String subnetId) { |
| checkArgument(!Strings.isNullOrEmpty(subnetId), ERR_NULL_SUBNET_ID); |
| return osNetworkStore.subnet(subnetId); |
| } |
| |
| @Override |
| public Set<Subnet> subnets() { |
| return osNetworkStore.subnets(); |
| } |
| |
| @Override |
| public Set<Subnet> subnets(String netId) { |
| Set<Subnet> osSubnets = osNetworkStore.subnets().stream() |
| .filter(subnet -> Objects.equals(subnet.getNetworkId(), netId)) |
| .collect(Collectors.toSet()); |
| return ImmutableSet.copyOf(osSubnets); |
| } |
| |
| @Override |
| public Port port(String portId) { |
| checkArgument(!Strings.isNullOrEmpty(portId), ERR_NULL_PORT_ID); |
| return osNetworkStore.port(portId); |
| } |
| |
| @Override |
| public Port port(org.onosproject.net.Port port) { |
| String portName = port.annotations().value(PORT_NAME); |
| if (Strings.isNullOrEmpty(portName)) { |
| return null; |
| } |
| Optional<Port> osPort = osNetworkStore.ports() |
| .stream() |
| .filter(p -> p.getId().contains(portName.substring(3))) |
| .findFirst(); |
| return osPort.isPresent() ? osPort.get() : null; |
| } |
| |
| @Override |
| public Set<Port> ports() { |
| return osNetworkStore.ports(); |
| } |
| |
| @Override |
| public Set<Port> ports(String netId) { |
| Set<Port> osPorts = osNetworkStore.ports().stream() |
| .filter(port -> Objects.equals(port.getNetworkId(), netId)) |
| .collect(Collectors.toSet()); |
| return ImmutableSet.copyOf(osPorts); |
| } |
| |
| private boolean isNetworkInUse(String netId) { |
| return !subnets(netId).isEmpty() && !ports(netId).isEmpty(); |
| } |
| |
| private boolean isSubnetInUse(String subnetId) { |
| // TODO add something if needed |
| return false; |
| } |
| |
| private boolean isPortInUse(String portId) { |
| // TODO add something if needed |
| return false; |
| } |
| |
| private class InternalNetworkStoreDelegate implements OpenstackNetworkStoreDelegate { |
| |
| @Override |
| public void notify(OpenstackNetworkEvent event) { |
| if (event != null) { |
| log.trace("send oepnstack switching event {}", event); |
| process(event); |
| } |
| } |
| } |
| } |