/*
* 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.accumulo.core.util.shell.commands;
import java.io.IOException;
import java.util.Arrays;
import java.util.SortedSet;
import java.util.TreeSet;
import org.apache.accumulo.core.client.TableNotFoundException;
import org.apache.accumulo.core.conf.AccumuloConfiguration;
import org.apache.accumulo.core.conf.ConfigurationCopy;
import org.apache.accumulo.core.util.TableDiskUsage;
import org.apache.accumulo.core.util.shell.Shell;
import org.apache.accumulo.core.util.shell.Shell.Command;
import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.Option;
import org.apache.commons.cli.Options;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
public class DUCommand extends Command {
private Option optTablePattern;
public int execute(String fullCommand, CommandLine cl, Shell shellState) throws IOException, TableNotFoundException {
SortedSet<String> tablesToFlush = new TreeSet<String>(Arrays.asList(cl.getArgs()));
if (cl.hasOption(optTablePattern.getOpt())) {
for (String table : shellState.getConnector().tableOperations().list())
if (table.matches(cl.getOptionValue(optTablePattern.getOpt())))
tablesToFlush.add(table);
}
try {
AccumuloConfiguration acuConf = new ConfigurationCopy(shellState.getConnector().instanceOperations().getSystemConfiguration());
TableDiskUsage.printDiskUsage(acuConf, tablesToFlush, FileSystem.get(new Configuration()), shellState.getConnector());
} catch (Exception ex) {
throw new RuntimeException(ex);
}
return 0;
}
@Override
public String description() {
return "Prints how much space is used by files referenced by a table. When multiple tables are specified it prints how much space is used by files shared between tables, if any.";
}
@Override
public Options getOptions() {
Options o = new Options();
optTablePattern = new Option("p", "pattern", true, "regex pattern of table names");
optTablePattern.setArgName("pattern");
o.addOption(optTablePattern);
return o;
}
@Override
public String usage() {
return getName() + " <table>{ <table>}";
}
@Override
public int numArgs() {
return Shell.NO_FIXED_ARG_LENGTH_CHECK;
}
}