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The Apache Cassandra Project develops a highly scalable second-generation distributed database, bringing together Dynamo's fully distributed design and Bigtable's ColumnFamily-based data model.
/*
* 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;
import static com.google.common.base.Throwables.getStackTraceAsString;
import static com.google.common.collect.Iterables.toArray;
import static com.google.common.collect.Lists.newArrayList;
import static java.lang.Integer.parseInt;
import static java.lang.String.format;
import static org.apache.cassandra.io.util.File.WriteMode.APPEND;
import static org.apache.commons.lang3.ArrayUtils.EMPTY_STRING_ARRAY;
import static org.apache.commons.lang3.StringUtils.EMPTY;
import static org.apache.commons.lang3.StringUtils.isEmpty;
import static org.apache.commons.lang3.StringUtils.isNotEmpty;
import java.io.Console;
import org.apache.cassandra.io.util.File;
import org.apache.cassandra.io.util.FileWriter;
import java.io.FileNotFoundException;
import java.io.IOError;
import java.io.IOException;
import java.net.UnknownHostException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Date;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Scanner;
import java.util.SortedMap;
import javax.management.InstanceNotFoundException;
import com.google.common.base.Joiner;
import com.google.common.base.Throwables;
import org.apache.cassandra.locator.EndpointSnitchInfoMBean;
import org.apache.cassandra.tools.nodetool.*;
import org.apache.cassandra.utils.FBUtilities;
import com.google.common.collect.Maps;
import io.airlift.airline.Cli;
import io.airlift.airline.Help;
import io.airlift.airline.Option;
import io.airlift.airline.OptionType;
import io.airlift.airline.ParseArgumentsMissingException;
import io.airlift.airline.ParseArgumentsUnexpectedException;
import io.airlift.airline.ParseCommandMissingException;
import io.airlift.airline.ParseCommandUnrecognizedException;
import io.airlift.airline.ParseOptionConversionException;
import io.airlift.airline.ParseOptionMissingException;
import io.airlift.airline.ParseOptionMissingValueException;
public class NodeTool
{
static
{
FBUtilities.preventIllegalAccessWarnings();
}
private static final String HISTORYFILE = "nodetool.history";
private final INodeProbeFactory nodeProbeFactory;
private final Output output;
public static void main(String... args)
{
System.exit(new NodeTool(new NodeProbeFactory(), Output.CONSOLE).execute(args));
}
public NodeTool(INodeProbeFactory nodeProbeFactory, Output output)
{
this.nodeProbeFactory = nodeProbeFactory;
this.output = output;
}
public int execute(String... args)
{
List> commands = newArrayList(
Assassinate.class,
CassHelp.class,
CfHistograms.class,
CfStats.class,
CIDRFilteringStats.class,
Cleanup.class,
ClearSnapshot.class,
ClientStats.class,
Compact.class,
CompactionHistory.class,
CompactionStats.class,
DataPaths.class,
Decommission.class,
DescribeCluster.class,
DescribeRing.class,
DisableAuditLog.class,
DisableAutoCompaction.class,
DisableBackup.class,
DisableBinary.class,
DisableFullQueryLog.class,
DisableGossip.class,
DisableHandoff.class,
DisableHintsForDC.class,
DisableOldProtocolVersions.class,
Drain.class,
DropCIDRGroup.class,
EnableAuditLog.class,
EnableAutoCompaction.class,
EnableBackup.class,
EnableBinary.class,
EnableFullQueryLog.class,
EnableGossip.class,
EnableHandoff.class,
EnableHintsForDC.class,
EnableOldProtocolVersions.class,
FailureDetectorInfo.class,
Flush.class,
GarbageCollect.class,
GcStats.class,
GetAuditLog.class,
GetAuthCacheConfig.class,
GetBatchlogReplayTrottle.class,
GetCIDRGroupsOfIP.class,
GetColumnIndexSize.class,
GetCompactionThreshold.class,
GetCompactionThroughput.class,
GetConcurrency.class,
GetConcurrentCompactors.class,
GetConcurrentViewBuilders.class,
GetDefaultKeyspaceRF.class,
GetEndpoints.class,
GetFullQueryLog.class,
GetInterDCStreamThroughput.class,
GetLoggingLevels.class,
GetMaxHintWindow.class,
GetSSTables.class,
GetSeeds.class,
GetSnapshotThrottle.class,
GetStreamThroughput.class,
GetTimeout.class,
GetTraceProbability.class,
GossipInfo.class,
Import.class,
Info.class,
InvalidateCIDRPermissionsCache.class,
InvalidateCounterCache.class,
InvalidateCredentialsCache.class,
InvalidateJmxPermissionsCache.class,
ReloadCIDRGroupsCache.class,
InvalidateKeyCache.class,
InvalidateNetworkPermissionsCache.class,
InvalidatePermissionsCache.class,
InvalidateRolesCache.class,
InvalidateRowCache.class,
Join.class,
ListCIDRGroups.class,
ListPendingHints.class,
ListSnapshots.class,
Move.class,
NetStats.class,
PauseHandoff.class,
ProfileLoad.class,
ProxyHistograms.class,
RangeKeySample.class,
Rebuild.class,
RebuildIndex.class,
RecompressSSTables.class,
Refresh.class,
RefreshSizeEstimates.class,
ReloadLocalSchema.class,
ReloadSeeds.class,
ReloadSslCertificates.class,
ReloadTriggers.class,
RelocateSSTables.class,
RemoveNode.class,
Repair.class,
ReplayBatchlog.class,
ResetFullQueryLog.class,
ResetLocalSchema.class,
ResumeHandoff.class,
Ring.class,
Scrub.class,
SetAuthCacheConfig.class,
SetBatchlogReplayThrottle.class,
SetCacheCapacity.class,
SetCacheKeysToSave.class,
SetColumnIndexSize.class,
SetCompactionThreshold.class,
SetCompactionThroughput.class,
SetConcurrency.class,
SetConcurrentCompactors.class,
SetConcurrentViewBuilders.class,
SetDefaultKeyspaceRF.class,
SetHintedHandoffThrottleInKB.class,
SetInterDCStreamThroughput.class,
SetLoggingLevel.class,
SetMaxHintWindow.class,
SetSnapshotThrottle.class,
SetStreamThroughput.class,
SetTimeout.class,
SetTraceProbability.class,
Sjk.class,
Snapshot.class,
Status.class,
StatusAutoCompaction.class,
StatusBackup.class,
StatusBinary.class,
StatusGossip.class,
StatusHandoff.class,
Stop.class,
StopDaemon.class,
TableHistograms.class,
TableStats.class,
TopPartitions.class,
TpStats.class,
TruncateHints.class,
UpdateCIDRGroup.class,
UpgradeSSTable.class,
Verify.class,
Version.class,
ViewBuildStatus.class,
ForceCompact.class
);
Cli.CliBuilder builder = Cli.builder("nodetool");
builder.withDescription("Manage your Cassandra cluster")
.withDefaultCommand(CassHelp.class)
.withCommands(commands);
// bootstrap commands
builder.withGroup("bootstrap")
.withDescription("Monitor/manage node's bootstrap process")
.withDefaultCommand(CassHelp.class)
.withCommand(BootstrapResume.class);
builder.withGroup("repair_admin")
.withDescription("list and fail incremental repair sessions")
.withDefaultCommand(RepairAdmin.ListCmd.class)
.withCommand(RepairAdmin.ListCmd.class)
.withCommand(RepairAdmin.CancelCmd.class)
.withCommand(RepairAdmin.CleanupDataCmd.class)
.withCommand(RepairAdmin.SummarizePendingCmd.class)
.withCommand(RepairAdmin.SummarizeRepairedCmd.class);
Cli parser = builder.build();
int status = 0;
try
{
NodeToolCmdRunnable parse = parser.parse(args);
printHistory(args);
parse.run(nodeProbeFactory, output);
} catch (IllegalArgumentException |
IllegalStateException |
ParseArgumentsMissingException |
ParseArgumentsUnexpectedException |
ParseOptionConversionException |
ParseOptionMissingException |
ParseOptionMissingValueException |
ParseCommandMissingException |
ParseCommandUnrecognizedException e)
{
badUse(e);
status = 1;
} catch (Throwable throwable)
{
err(Throwables.getRootCause(throwable));
status = 2;
}
return status;
}
private static void printHistory(String... args)
{
//don't bother to print if no args passed (meaning, nodetool is just printing out the sub-commands list)
if (args.length == 0)
return;
String cmdLine = Joiner.on(" ").skipNulls().join(args);
cmdLine = cmdLine.replaceFirst("(?<=(-pw|--password))\\s+\\S+", " ");
try (FileWriter writer = new File(FBUtilities.getToolsOutputDirectory(), HISTORYFILE).newWriter(APPEND))
{
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss,SSS");
writer.append(sdf.format(new Date())).append(": ").append(cmdLine).append(System.lineSeparator());
}
catch (IOException | IOError ioe)
{
//quietly ignore any errors about not being able to write out history
}
}
protected void badUse(Exception e)
{
output.out.println("nodetool: " + e.getMessage());
output.out.println("See 'nodetool help' or 'nodetool help '.");
}
protected void err(Throwable e)
{
// CASSANDRA-11537: friendly error message when server is not ready
if (e instanceof InstanceNotFoundException)
throw new IllegalArgumentException("Server is not initialized yet, cannot run nodetool.");
output.err.println("error: " + e.getMessage());
output.err.println("-- StackTrace --");
output.err.println(getStackTraceAsString(e));
}
public static class CassHelp extends Help implements NodeToolCmdRunnable
{
public void run(INodeProbeFactory nodeProbeFactory, Output output)
{
run();
}
}
interface NodeToolCmdRunnable
{
void run(INodeProbeFactory nodeProbeFactory, Output output);
}
public static abstract class NodeToolCmd implements NodeToolCmdRunnable
{
@Option(type = OptionType.GLOBAL, name = {"-h", "--host"}, description = "Node hostname or ip address")
private String host = "127.0.0.1";
@Option(type = OptionType.GLOBAL, name = {"-p", "--port"}, description = "Remote jmx agent port number")
private String port = "7199";
@Option(type = OptionType.GLOBAL, name = {"-u", "--username"}, description = "Remote jmx agent username")
private String username = EMPTY;
@Option(type = OptionType.GLOBAL, name = {"-pw", "--password"}, description = "Remote jmx agent password")
private String password = EMPTY;
@Option(type = OptionType.GLOBAL, name = {"-pwf", "--password-file"}, description = "Path to the JMX password file")
private String passwordFilePath = EMPTY;
@Option(type = OptionType.GLOBAL, name = { "-pp", "--print-port"}, description = "Operate in 4.0 mode with hosts disambiguated by port number", arity = 0)
protected boolean printPort = false;
private INodeProbeFactory nodeProbeFactory;
protected Output output;
@Override
public void run(INodeProbeFactory nodeProbeFactory, Output output)
{
this.nodeProbeFactory = nodeProbeFactory;
this.output = output;
runInternal();
}
public void runInternal()
{
if (isNotEmpty(username)) {
if (isNotEmpty(passwordFilePath))
password = readUserPasswordFromFile(username, passwordFilePath);
if (isEmpty(password))
password = promptAndReadPassword();
}
try (NodeProbe probe = connect())
{
execute(probe);
if (probe.isFailed())
throw new RuntimeException("nodetool failed, check server logs");
}
catch (IOException e)
{
throw new RuntimeException("Error while closing JMX connection", e);
}
}
private String readUserPasswordFromFile(String username, String passwordFilePath) {
String password = EMPTY;
File passwordFile = new File(passwordFilePath);
try (Scanner scanner = new Scanner(passwordFile.toJavaIOFile()).useDelimiter("\\s+"))
{
while (scanner.hasNextLine())
{
if (scanner.hasNext())
{
String jmxRole = scanner.next();
if (jmxRole.equals(username) && scanner.hasNext())
{
password = scanner.next();
break;
}
}
scanner.nextLine();
}
}
catch (FileNotFoundException e)
{
throw new RuntimeException(e);
}
return password;
}
private String promptAndReadPassword()
{
String password = EMPTY;
Console console = System.console();
if (console != null)
password = String.valueOf(console.readPassword("Password:"));
return password;
}
protected abstract void execute(NodeProbe probe);
private NodeProbe connect()
{
NodeProbe nodeClient = null;
try
{
if (username.isEmpty())
nodeClient = nodeProbeFactory.create(host, parseInt(port));
else
nodeClient = nodeProbeFactory.create(host, parseInt(port), username, password);
nodeClient.setOutput(output);
} catch (IOException | SecurityException e)
{
Throwable rootCause = Throwables.getRootCause(e);
output.err.println(format("nodetool: Failed to connect to '%s:%s' - %s: '%s'.", host, port, rootCause.getClass().getSimpleName(), rootCause.getMessage()));
System.exit(1);
}
return nodeClient;
}
protected enum KeyspaceSet
{
ALL, NON_SYSTEM, NON_LOCAL_STRATEGY
}
protected List parseOptionalKeyspace(List cmdArgs, NodeProbe nodeProbe)
{
return parseOptionalKeyspace(cmdArgs, nodeProbe, KeyspaceSet.ALL);
}
protected List parseOptionalKeyspace(List cmdArgs, NodeProbe nodeProbe, KeyspaceSet defaultKeyspaceSet)
{
List keyspaces = new ArrayList<>();
if (cmdArgs == null || cmdArgs.isEmpty())
{
if (defaultKeyspaceSet == KeyspaceSet.NON_LOCAL_STRATEGY)
keyspaces.addAll(keyspaces = nodeProbe.getNonLocalStrategyKeyspaces());
else if (defaultKeyspaceSet == KeyspaceSet.NON_SYSTEM)
keyspaces.addAll(keyspaces = nodeProbe.getNonSystemKeyspaces());
else
keyspaces.addAll(nodeProbe.getKeyspaces());
}
else
{
keyspaces.add(cmdArgs.get(0));
}
for (String keyspace : keyspaces)
{
if (!nodeProbe.getKeyspaces().contains(keyspace))
throw new IllegalArgumentException("Keyspace [" + keyspace + "] does not exist.");
}
return Collections.unmodifiableList(keyspaces);
}
protected String[] parseOptionalTables(List cmdArgs)
{
return cmdArgs.size() <= 1 ? EMPTY_STRING_ARRAY : toArray(cmdArgs.subList(1, cmdArgs.size()), String.class);
}
protected String[] parsePartitionKeys(List cmdArgs)
{
return cmdArgs.size() <= 2 ? EMPTY_STRING_ARRAY : toArray(cmdArgs.subList(2, cmdArgs.size()), String.class);
}
}
public static SortedMap getOwnershipByDcWithPort(NodeProbe probe, boolean resolveIp,
Map tokenToEndpoint,
Map ownerships)
{
SortedMap ownershipByDc = Maps.newTreeMap();
EndpointSnitchInfoMBean epSnitchInfo = probe.getEndpointSnitchInfoProxy();
try
{
for (Entry tokenAndEndPoint : tokenToEndpoint.entrySet())
{
String dc = epSnitchInfo.getDatacenter(tokenAndEndPoint.getValue());
if (!ownershipByDc.containsKey(dc))
ownershipByDc.put(dc, new SetHostStatWithPort(resolveIp));
ownershipByDc.get(dc).add(tokenAndEndPoint.getKey(), tokenAndEndPoint.getValue(), ownerships);
}
}
catch (UnknownHostException e)
{
throw new RuntimeException(e);
}
return ownershipByDc;
}
}
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