content: /*
   * 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
   *
   *     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.apache.cassandra.tools.nodetool;
  
  import org.apache.cassandra.tools.NodeProbe;
  import picocli.CommandLine.Command;
  import picocli.CommandLine.Option;
  
  @Command(name = "decommission", description = "Decommission the *node I am connecting to*")
  public class Decommission extends AbstractCommand
  {
  
      @Option(paramLabel = "force",
              names = { "-f", "--force" },
              description = "Force decommission of this node even when it reduces the number of replicas to below configured RF")
      private boolean force = false;
  
      @Override
      public void execute(NodeProbe probe)
      {
          try
          {
              if (probe.getStorageService().isDecommissioning())
              {
                  probe.output().out.println("This node is still decommissioning.");
                  return;
              }
              if ("DECOMMISSIONED".equals(probe.getStorageService().getBootstrapState()))
              {
                  probe.output().out.println("Node was already decommissioned.");
                  return;
              }
              probe.decommission(force);
          } catch (InterruptedException e)
          {
              throw new RuntimeException("Error decommissioning node", e);
          } catch (UnsupportedOperationException e)
          {
              throw new IllegalStateException("Unsupported operation: " + e.getMessage(), e);
          }
      }
  
      @Command(name = "abortdecommission", description = "Abort an ongoing, failed decommission")
      public static class Abort extends AbstractCommand
      {
          @Option(paramLabel = "nodeId", names = { "--node" })
          private String nodeId;
  
          @Override
          protected void execute(NodeProbe probe)
          {
              probe.abortDecommission(nodeId);
          }
      }
  }
  