| /* |
| * 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.scm.cli.datanode; |
| |
| import com.google.common.base.Strings; |
| import org.apache.hadoop.hdds.cli.HddsVersionProvider; |
| import org.apache.hadoop.hdds.protocol.DatanodeDetails; |
| import org.apache.hadoop.hdds.protocol.proto.HddsProtos; |
| import org.apache.hadoop.hdds.scm.cli.ScmSubcommand; |
| import org.apache.hadoop.hdds.scm.client.ScmClient; |
| import org.apache.hadoop.hdds.scm.pipeline.Pipeline; |
| import picocli.CommandLine; |
| |
| import java.io.IOException; |
| import java.util.List; |
| import java.util.stream.Collectors; |
| import java.util.stream.Stream; |
| |
| /** |
| * Handler of list datanodes info command. |
| */ |
| @CommandLine.Command( |
| name = "list", |
| description = "List info of datanodes", |
| mixinStandardHelpOptions = true, |
| versionProvider = HddsVersionProvider.class) |
| public class ListInfoSubcommand extends ScmSubcommand { |
| |
| @CommandLine.Option(names = {"--ip"}, |
| description = "Show info by ip address.", |
| defaultValue = "") |
| private String ipaddress; |
| |
| @CommandLine.Option(names = {"--id"}, |
| description = "Show info by datanode UUID.", |
| defaultValue = "") |
| private String uuid; |
| |
| private List<Pipeline> pipelines; |
| |
| |
| @Override |
| public void execute(ScmClient scmClient) throws IOException { |
| pipelines = scmClient.listPipelines(); |
| if (Strings.isNullOrEmpty(ipaddress) && Strings.isNullOrEmpty(uuid)) { |
| getAllNodes(scmClient).forEach(this::printDatanodeInfo); |
| } else { |
| Stream<DatanodeWithAttributes> allNodes = getAllNodes(scmClient).stream(); |
| if (!Strings.isNullOrEmpty(ipaddress)) { |
| allNodes = allNodes.filter(p -> p.getDatanodeDetails().getIpAddress() |
| .compareToIgnoreCase(ipaddress) == 0); |
| } |
| if (!Strings.isNullOrEmpty(uuid)) { |
| allNodes = allNodes.filter(p -> |
| p.getDatanodeDetails().toString().equals(uuid)); |
| } |
| allNodes.forEach(this::printDatanodeInfo); |
| } |
| } |
| |
| private List<DatanodeWithAttributes> getAllNodes(ScmClient scmClient) |
| throws IOException { |
| List<HddsProtos.Node> nodes = scmClient.queryNode(null, |
| HddsProtos.NodeState.HEALTHY, HddsProtos.QueryScope.CLUSTER, ""); |
| |
| return nodes.stream() |
| .map(p -> new DatanodeWithAttributes( |
| DatanodeDetails.getFromProtoBuf(p.getNodeID()), |
| p.getNodeOperationalStates(0), p.getNodeStates(0))) |
| .collect(Collectors.toList()); |
| } |
| |
| private void printDatanodeInfo(DatanodeWithAttributes dna) { |
| StringBuilder pipelineListInfo = new StringBuilder(); |
| DatanodeDetails datanode = dna.getDatanodeDetails(); |
| int relatedPipelineNum = 0; |
| if (!pipelines.isEmpty()) { |
| List<Pipeline> relatedPipelines = pipelines.stream().filter( |
| p -> p.getNodes().contains(datanode)).collect(Collectors.toList()); |
| if (relatedPipelines.isEmpty()) { |
| pipelineListInfo.append("No related pipelines" + |
| " or the node is not in Healthy state."); |
| } else { |
| relatedPipelineNum = relatedPipelines.size(); |
| relatedPipelines.forEach( |
| p -> pipelineListInfo.append(p.getId().getId().toString()) |
| .append("/").append(p.getFactor().toString()).append("/") |
| .append(p.getType().toString()).append("/") |
| .append(p.getPipelineState().toString()).append("/") |
| .append(datanode.getUuid().equals(p.getLeaderId()) ? |
| "Leader" : "Follower") |
| .append(System.getProperty("line.separator"))); |
| } |
| } else { |
| pipelineListInfo.append("No pipelines in cluster."); |
| } |
| System.out.println("Datanode: " + datanode.getUuid().toString() + |
| " (" + datanode.getNetworkLocation() + "/" + datanode.getIpAddress() |
| + "/" + datanode.getHostName() + "/" + relatedPipelineNum + |
| " pipelines)"); |
| System.out.println("Operational State: " + dna.getOpState()); |
| System.out.println("Related pipelines: \n" + pipelineListInfo); |
| } |
| |
| private static class DatanodeWithAttributes { |
| private DatanodeDetails datanodeDetails; |
| private HddsProtos.NodeOperationalState operationalState; |
| private HddsProtos.NodeState healthState; |
| |
| DatanodeWithAttributes(DatanodeDetails dn, |
| HddsProtos.NodeOperationalState opState, |
| HddsProtos.NodeState healthState) { |
| this.datanodeDetails = dn; |
| this.operationalState = opState; |
| this.healthState = healthState; |
| } |
| |
| public DatanodeDetails getDatanodeDetails() { |
| return datanodeDetails; |
| } |
| |
| public HddsProtos.NodeOperationalState getOpState() { |
| return operationalState; |
| } |
| |
| public HddsProtos.NodeState getHealthState() { |
| return healthState; |
| } |
| } |
| } |