| /* |
| * 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.cluster.impl; |
| |
| import static java.net.NetworkInterface.getNetworkInterfaces; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| import java.net.Inet4Address; |
| import java.net.InetAddress; |
| import java.net.NetworkInterface; |
| import java.util.Collections; |
| import java.util.Set; |
| import java.util.concurrent.atomic.AtomicReference; |
| import java.util.function.Function; |
| |
| 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.onlab.packet.IpAddress; |
| import org.onosproject.cluster.ClusterMetadata; |
| import org.onosproject.cluster.ClusterMetadataProvider; |
| import org.onosproject.cluster.ClusterMetadataProviderRegistry; |
| import org.onosproject.cluster.ControllerNode; |
| import org.onosproject.cluster.DefaultControllerNode; |
| import org.onosproject.cluster.DefaultPartition; |
| import org.onosproject.cluster.NodeId; |
| import org.onosproject.cluster.Partition; |
| import org.onosproject.cluster.PartitionId; |
| import org.onosproject.net.provider.ProviderId; |
| import org.onosproject.store.service.Versioned; |
| import org.slf4j.Logger; |
| |
| import com.google.common.collect.ImmutableSet; |
| |
| /** |
| * Provider of default {@link ClusterMetadata cluster metadata}. |
| */ |
| @Component(immediate = true) |
| public class DefaultClusterMetadataProvider implements ClusterMetadataProvider { |
| |
| private final Logger log = getLogger(getClass()); |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected ClusterMetadataProviderRegistry providerRegistry; |
| |
| private static final String ONOS_IP = "ONOS_IP"; |
| private static final String ONOS_INTERFACE = "ONOS_INTERFACE"; |
| private static final String ONOS_ALLOW_IPV6 = "ONOS_ALLOW_IPV6"; |
| private static final String DEFAULT_ONOS_INTERFACE = "eth0"; |
| private static final int DEFAULT_ONOS_PORT = 9876; |
| private static final ProviderId PROVIDER_ID = new ProviderId("default", "none"); |
| private final AtomicReference<Versioned<ClusterMetadata>> cachedMetadata = new AtomicReference<>(); |
| |
| @Activate |
| public void activate() { |
| String localIp = getSiteLocalAddress(); |
| ControllerNode localNode = |
| new DefaultControllerNode(new NodeId(localIp), IpAddress.valueOf(localIp), DEFAULT_ONOS_PORT); |
| // partition 1 |
| Partition partition = new DefaultPartition(PartitionId.from(1), ImmutableSet.of(localNode.id())); |
| ClusterMetadata metadata = new ClusterMetadata(PROVIDER_ID, |
| "default", |
| ImmutableSet.of(localNode), |
| ImmutableSet.of(partition)); |
| long version = System.currentTimeMillis(); |
| cachedMetadata.set(new Versioned<>(metadata, version)); |
| providerRegistry.register(this); |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| public void deactivate() { |
| providerRegistry.unregister(this); |
| log.info("Stopped"); |
| } |
| |
| @Override |
| public ProviderId id() { |
| return PROVIDER_ID; |
| } |
| |
| @Override |
| public Versioned<ClusterMetadata> getClusterMetadata() { |
| return cachedMetadata.get(); |
| } |
| |
| @Override |
| public void setClusterMetadata(ClusterMetadata metadata) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public void addActivePartitionMember(PartitionId partitionId, NodeId nodeId) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public void removeActivePartitionMember(PartitionId partitionId, NodeId nodeId) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public Set<NodeId> getActivePartitionMembers(PartitionId partitionId) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public boolean isAvailable() { |
| return true; |
| } |
| |
| private static String getSiteLocalAddress() { |
| |
| /* |
| * If the IP ONOS should use is set via the environment variable we will assume it is valid and should be used. |
| * Setting the IP address takes presidence over setting the interface via the environment. |
| */ |
| String useOnosIp = System.getenv(ONOS_IP); |
| if (useOnosIp != null) { |
| return useOnosIp; |
| } |
| |
| // Read environment variables for IP interface information or set to default |
| String useOnosInterface = System.getenv(ONOS_INTERFACE); |
| if (useOnosInterface == null) { |
| useOnosInterface = DEFAULT_ONOS_INTERFACE; |
| } |
| |
| // Capture if they want to limit IP address selection to only IPv4 (default). |
| boolean allowIPv6 = (System.getenv(ONOS_ALLOW_IPV6) != null); |
| |
| Function<NetworkInterface, IpAddress> ipLookup = nif -> { |
| IpAddress fallback = null; |
| |
| // nif can be null if the interface name specified doesn't exist on the node's host |
| if (nif != null) { |
| for (InetAddress address : Collections.list(nif.getInetAddresses())) { |
| if (address.isSiteLocalAddress() && (allowIPv6 || address instanceof Inet4Address)) { |
| return IpAddress.valueOf(address); |
| } |
| if (fallback == null && !address.isLoopbackAddress() && !address.isMulticastAddress() |
| && (allowIPv6 || address instanceof Inet4Address)) { |
| fallback = IpAddress.valueOf(address); |
| } |
| } |
| } |
| return fallback; |
| }; |
| try { |
| IpAddress ip = ipLookup.apply(NetworkInterface.getByName(useOnosInterface)); |
| if (ip != null) { |
| return ip.toString(); |
| } |
| for (NetworkInterface nif : Collections.list(getNetworkInterfaces())) { |
| if (!nif.getName().equals(useOnosInterface)) { |
| ip = ipLookup.apply(nif); |
| if (ip != null) { |
| return ip.toString(); |
| } |
| } |
| } |
| } catch (Exception e) { |
| throw new IllegalStateException("Unable to get network interfaces", e); |
| } |
| |
| return IpAddress.valueOf(InetAddress.getLoopbackAddress()).toString(); |
| } |
| } |