| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 |
| * <p> |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * <p> |
| * 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.apache.hadoop.hdds.protocol; |
| |
| import org.apache.hadoop.hdds.protocol.proto.HddsProtos; |
| |
| import java.io.IOException; |
| import java.net.ServerSocket; |
| import java.util.Random; |
| import java.util.UUID; |
| import java.util.concurrent.ThreadLocalRandom; |
| |
| /** |
| * Provides {@link DatanodeDetails} factory methods for testing. |
| */ |
| public final class MockDatanodeDetails { |
| |
| /** |
| * Creates DatanodeDetails with random UUID and random IP address. |
| * |
| * @return DatanodeDetails |
| */ |
| public static DatanodeDetails randomDatanodeDetails() { |
| return createDatanodeDetails(UUID.randomUUID()); |
| } |
| |
| /** |
| * Creates DatanodeDetails with random UUID, specific hostname and network |
| * location. |
| * |
| * @return DatanodeDetails |
| */ |
| public static DatanodeDetails createDatanodeDetails(String hostname, |
| String loc) { |
| Random random = ThreadLocalRandom.current(); |
| String ipAddress = random.nextInt(256) |
| + "." + random.nextInt(256) |
| + "." + random.nextInt(256) |
| + "." + random.nextInt(256); |
| return createDatanodeDetails(UUID.randomUUID().toString(), hostname, |
| ipAddress, loc); |
| } |
| |
| /** |
| * Creates DatanodeDetails using the given UUID. |
| * |
| * @param uuid Datanode's UUID |
| * |
| * @return DatanodeDetails |
| */ |
| public static DatanodeDetails createDatanodeDetails(UUID uuid) { |
| Random random = ThreadLocalRandom.current(); |
| String ipAddress = random.nextInt(256) |
| + "." + random.nextInt(256) |
| + "." + random.nextInt(256) |
| + "." + random.nextInt(256); |
| return createDatanodeDetails(uuid.toString(), "localhost" + "-" + ipAddress, |
| ipAddress, null); |
| } |
| |
| /** |
| * Creates DatanodeDetails with the given information. |
| * |
| * @param uuid Datanode's UUID |
| * @param hostname hostname of Datanode |
| * @param ipAddress ip address of Datanode |
| * |
| * @return DatanodeDetails |
| */ |
| public static DatanodeDetails createDatanodeDetails(String uuid, |
| String hostname, String ipAddress, String networkLocation) { |
| return createDatanodeDetails(uuid, hostname, ipAddress, networkLocation, 0); |
| } |
| |
| public static DatanodeDetails createDatanodeDetails(String uuid, |
| String hostname, String ipAddress, String networkLocation, int port) { |
| DatanodeDetails.Port containerPort = DatanodeDetails.newPort( |
| DatanodeDetails.Port.Name.STANDALONE, port); |
| DatanodeDetails.Port ratisPort = DatanodeDetails.newPort( |
| DatanodeDetails.Port.Name.RATIS, port); |
| DatanodeDetails.Port restPort = DatanodeDetails.newPort( |
| DatanodeDetails.Port.Name.REST, port); |
| return DatanodeDetails.newBuilder() |
| .setUuid(UUID.fromString(uuid)) |
| .setHostName(hostname) |
| .setIpAddress(ipAddress) |
| .addPort(containerPort) |
| .addPort(ratisPort) |
| .addPort(restPort) |
| .setNetworkLocation(networkLocation) |
| .setPersistedOpState(HddsProtos.NodeOperationalState.IN_SERVICE) |
| .setPersistedOpStateExpiry(0) |
| .build(); |
| } |
| |
| /** |
| * Creates DatanodeDetails with random UUID and valid local address and port. |
| * |
| * @return DatanodeDetails |
| */ |
| public static DatanodeDetails randomLocalDatanodeDetails() |
| throws IOException { |
| try (ServerSocket socket = new ServerSocket(0)) { |
| return createDatanodeDetails(UUID.randomUUID().toString(), |
| socket.getInetAddress().getHostName(), |
| socket.getInetAddress().getHostAddress(), null, |
| socket.getLocalPort()); |
| } |
| } |
| |
| private MockDatanodeDetails() { |
| throw new UnsupportedOperationException("no instances"); |
| } |
| } |