src/java/org/apache/cassandra/tools/nodetool/RepairAdmin.java - cassandra - Git at Google

 /*
  * 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 java.io.PrintStream;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
 import javax.management.openmbean.CompositeData;

 import com.google.common.base.Joiner;
 import com.google.common.collect.Iterables;
 import com.google.common.collect.Lists;
 import org.apache.commons.lang3.StringUtils;

 import io.airlift.airline.Arguments;
 import io.airlift.airline.Command;
 import io.airlift.airline.Option;
 import org.apache.cassandra.repair.consistent.LocalSessionInfo;
 import org.apache.cassandra.repair.consistent.admin.CleanupSummary;
 import org.apache.cassandra.repair.consistent.admin.PendingStats;
 import org.apache.cassandra.repair.consistent.admin.RepairStats;
 import org.apache.cassandra.tools.NodeProbe;
 import org.apache.cassandra.tools.NodeTool;
 import org.apache.cassandra.utils.FBUtilities;

 /**
  * Supports listing and failing incremental repair sessions
  */
 public abstract class RepairAdmin extends NodeTool.NodeToolCmd
 {
     @Command(name = "list", description = "list repair sessions")
     public static class ListCmd extends RepairAdmin
     {
         @Option(title = "all", name = {"-a", "--all"}, description = "include completed and failed sessions")
         private boolean all;

         @Option(title = "start_token", name = {"-st", "--start-token"}, description = "Use -st to specify a token at which the repair range starts")
         private String startToken = StringUtils.EMPTY;

         @Option(title = "end_token", name = {"-et", "--end-token"}, description = "Use -et to specify a token at which repair range ends")
         private String endToken = StringUtils.EMPTY;

         protected void execute(NodeProbe probe)
         {
             PrintStream out = probe.output().out;
             List<Map<String, String>> sessions = probe.getRepairServiceProxy().getSessions(all, getRangeString(startToken, endToken));
             if (sessions.isEmpty())
             {
                 out.println("no sessions");
             }
             else
             {
                 List<List<String>> rows = new ArrayList<>();
                 rows.add(Lists.newArrayList("id",
                                             "state",
                                             "last activity",
                                             "coordinator",
                                             "participants",
                                             "participants_wp"));
                 int now = FBUtilities.nowInSeconds();
                 for (Map<String, String> session : sessions)
                 {
                     int updated = Integer.parseInt(session.get(LocalSessionInfo.LAST_UPDATE));
                     List<String> values = Lists.newArrayList(session.get(LocalSessionInfo.SESSION_ID),
                                                              session.get(LocalSessionInfo.STATE),
                                                              (now - updated) + " (s)",
                                                              session.get(LocalSessionInfo.COORDINATOR),
                                                              session.get(LocalSessionInfo.PARTICIPANTS),
                                                              session.get(LocalSessionInfo.PARTICIPANTS_WP));
                     rows.add(values);
                 }

                 printTable(rows, out);
             }
         }
     }
     @Command(name = "summarize-pending", description = "report the amount of data marked pending repair for the given token " +
                                                        "range (or all replicated range if no tokens are provided")
     public static class SummarizePendingCmd extends RepairAdmin
     {
         @Option(title = "verbose", name = {"-v", "--verbose"}, description = "print additional info ")
         private boolean verbose;

         @Option(title = "start_token", name = {"-st", "--start-token"}, description = "Use -st to specify a token at which the repair range starts")
         private String startToken = StringUtils.EMPTY;

         @Option(title = "end_token", name = {"-et", "--end-token"}, description = "Use -et to specify a token at which repair range ends")
         private String endToken = StringUtils.EMPTY;

         @Arguments(usage = "[<keyspace> <tables>...]", description = "The keyspace followed by one or many tables")
         private List<String> schemaArgs = new ArrayList<>();

         protected void execute(NodeProbe probe)
         {
             List<CompositeData> cds = probe.getRepairServiceProxy().getPendingStats(schemaArgs, getRangeString(startToken, endToken));
             List<PendingStats> stats = new ArrayList<>(cds.size());
             cds.forEach(cd -> stats.add(PendingStats.fromComposite(cd)));

             stats.sort((l, r) -> {
                 int cmp = l.keyspace.compareTo(r.keyspace);
                 if (cmp != 0)
                     return cmp;

                 return l.table.compareTo(r.table);
             });

             List<String> header = Lists.newArrayList("keyspace", "table", "total");
             if (verbose)
             {
                 header.addAll(Lists.newArrayList("pending", "finalized", "failed"));
             }

             List<List<String>> rows = new ArrayList<>(stats.size() + 1);
             rows.add(header);

             for (PendingStats stat : stats)
             {
                 List<String> row = new ArrayList<>(header.size());

                 row.add(stat.keyspace);
                 row.add(stat.table);
                 row.add(stat.total.sizeString());
                 if (verbose)
                 {
                     row.add(stat.pending.sizeString());
                     row.add(stat.finalized.sizeString());
                     row.add(stat.failed.sizeString());
                 }
                 rows.add(row);
             }

             printTable(rows, probe.output().out);
         }
     }

     @Command(name = "summarize-repaired", description = "return the most recent repairedAt timestamp for the given token range " +
                                                         "(or all replicated ranges if no tokens are provided)")
     public static class SummarizeRepairedCmd extends RepairAdmin
     {
         @Option(title = "verbose", name = {"-v", "--verbose"}, description = "print additional info ")
         private boolean verbose = false;

         @Option(title = "start_token", name = {"-st", "--start-token"}, description = "Use -st to specify a token at which the repair range starts")
         private String startToken = StringUtils.EMPTY;

         @Option(title = "end_token", name = {"-et", "--end-token"}, description = "Use -et to specify a token at which repair range ends")
         private String endToken = StringUtils.EMPTY;

         @Arguments(usage = "[<keyspace> <tables>...]", description = "The keyspace followed by one or many tables")
         private List<String> schemaArgs = new ArrayList<>();

         protected void execute(NodeProbe probe)
         {
             PrintStream out = probe.output().out;
             List<CompositeData> compositeData = probe.getRepairServiceProxy().getRepairStats(schemaArgs, getRangeString(startToken, endToken));

             if (compositeData.isEmpty())
             {
                 out.println("no stats");
                 return;
             }

             List<RepairStats> stats = new ArrayList<>(compositeData.size());
             compositeData.forEach(cd -> stats.add(RepairStats.fromComposite(cd)));

             stats.sort((l, r) -> {
                 int cmp = l.keyspace.compareTo(r.keyspace);
                 if (cmp != 0)
                     return cmp;

                 return l.table.compareTo(r.table);
             });

             List<String> header = Lists.newArrayList("keyspace", "table", "min_repaired", "max_repaired");
             if (verbose)
                 header.add("detail");

             List<List<String>> rows = new ArrayList<>(stats.size() + 1);
             rows.add(header);

             for (RepairStats stat : stats)
             {
                 List<String> row = Lists.newArrayList(stat.keyspace,
                                                       stat.table,
                                                       Long.toString(stat.minRepaired),
                                                       Long.toString(stat.maxRepaired));
                 if (verbose)
                 {
                     row.add(Joiner.on(", ").join(Iterables.transform(stat.sections, RepairStats.Section::toString)));
                 }
                 rows.add(row);
             }

             printTable(rows, out);
         }
     }

     @Command(name = "cleanup", description = "cleans up pending data from completed sessions. " +
                                              "This happens automatically, but the command is provided " +
                                              "for situations where it needs to be expedited." +
                                             " Use --force to cancel compactions that are preventing promotion")
     public static class CleanupDataCmd extends RepairAdmin
     {
         @Option(title = "force", name = {"-f", "--force"}, description = "Force a cleanup.")
         private boolean force = false;

         @Option(title = "start_token", name = {"-st", "--start-token"}, description = "Use -st to specify a token at which the repair range starts")
         private String startToken = StringUtils.EMPTY;

         @Option(title = "end_token", name = {"-et", "--end-token"}, description = "Use -et to specify a token at which repair range ends")
         private String endToken = StringUtils.EMPTY;

         @Arguments(usage = "[<keyspace> <tables>...]", description = "The keyspace followed by one or many tables")
         private List<String> schemaArgs = new ArrayList<>();

         protected void execute(NodeProbe probe)
         {
             PrintStream out = probe.output().out;
             out.println("Cleaning up data from completed sessions...");
             List<CompositeData> compositeData = probe.getRepairServiceProxy().cleanupPending(schemaArgs, getRangeString(startToken, endToken), force);

             List<CleanupSummary> summaries = new ArrayList<>(compositeData.size());
             compositeData.forEach(cd -> summaries.add(CleanupSummary.fromComposite(cd)));

             summaries.sort((l, r) -> {
                 int cmp = l.keyspace.compareTo(r.keyspace);
                 if (cmp != 0)
                     return cmp;

                 return l.table.compareTo(r.table);
             });

             List<String> header = Lists.newArrayList("keyspace", "table", "successful sessions", "unsuccessful sessions");
             List<List<String>> rows = new ArrayList<>(summaries.size() + 1);
             rows.add(header);

             boolean hasFailures = false;
             for (CleanupSummary summary : summaries)
             {
                 List<String> row = Lists.newArrayList(summary.keyspace,
                                                       summary.table,
                                                       Integer.toString(summary.successful.size()),
                                                       Integer.toString(summary.unsuccessful.size()));

                 hasFailures |= !summary.unsuccessful.isEmpty();
                 rows.add(row);
             }

             if (hasFailures)
                 out.println("Some tables couldn't be cleaned up completely");

             printTable(rows, out);
         }
     }

     @Command(name = "cancel", description = "cancel an incremental repair session." +
                                             " Use --force to cancel from a node other than the repair coordinator" +
                                             " Attempting to cancel FINALIZED or FAILED sessions is an error.")
     public static class CancelCmd extends RepairAdmin
     {
         @Option(title = "force", name = {"-f", "--force"}, description = "Force a cancellation.")
         private boolean force = false;

         @Option(title = "session", name = {"-s", "--session"}, description = "The session to cancel", required = true)
         private String sessionToCancel;

         protected void execute(NodeProbe probe)
         {
             probe.getRepairServiceProxy().failSession(sessionToCancel, force);
         }
     }

     private static void printTable(List<List<String>> rows, PrintStream out)
     {
         if (rows.isEmpty())
             return;

         // get max col widths
         int[] widths = new int[rows.get(0).size()];
         for (List<String> row : rows)
         {
             assert row.size() == widths.length;
             for (int i = 0; i < widths.length; i++)
             {
                 widths[i] = Math.max(widths[i], row.get(i).length());
             }
         }

         List<String> fmts = new ArrayList<>(widths.length);
         for (int i = 0; i < widths.length; i++)
         {
             fmts.add("%-" + widths[i] + "s");
         }

         // print
         for (List<String> row : rows)
         {
             List<String> formatted = new ArrayList<>(row.size());
             for (int i = 0; i < widths.length; i++)
             {
                 formatted.add(String.format(fmts.get(i), row.get(i)));
             }
             out.println(Joiner.on(" | ").join(formatted));
         }
     }

     static String getRangeString(String startToken, String endToken)
     {
         String rangeStr = null;
         if (!startToken.isEmpty() || !endToken.isEmpty())
             rangeStr = startToken + ':' + endToken;
         return rangeStr;
     }
 }
	/*
	* 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 java.io.PrintStream;
	import java.util.ArrayList;
	import java.util.List;
	import java.util.Map;
	import javax.management.openmbean.CompositeData;

	import com.google.common.base.Joiner;
	import com.google.common.collect.Iterables;
	import com.google.common.collect.Lists;
	import org.apache.commons.lang3.StringUtils;

	import io.airlift.airline.Arguments;
	import io.airlift.airline.Command;
	import io.airlift.airline.Option;
	import org.apache.cassandra.repair.consistent.LocalSessionInfo;
	import org.apache.cassandra.repair.consistent.admin.CleanupSummary;
	import org.apache.cassandra.repair.consistent.admin.PendingStats;
	import org.apache.cassandra.repair.consistent.admin.RepairStats;
	import org.apache.cassandra.tools.NodeProbe;
	import org.apache.cassandra.tools.NodeTool;
	import org.apache.cassandra.utils.FBUtilities;

	/**
	* Supports listing and failing incremental repair sessions
	*/
	public abstract class RepairAdmin extends NodeTool.NodeToolCmd
	{
	@Command(name = "list", description = "list repair sessions")
	public static class ListCmd extends RepairAdmin
	{
	@Option(title = "all", name = {"-a", "--all"}, description = "include completed and failed sessions")
	private boolean all;

	@Option(title = "start_token", name = {"-st", "--start-token"}, description = "Use -st to specify a token at which the repair range starts")
	private String startToken = StringUtils.EMPTY;

	@Option(title = "end_token", name = {"-et", "--end-token"}, description = "Use -et to specify a token at which repair range ends")
	private String endToken = StringUtils.EMPTY;

	protected void execute(NodeProbe probe)
	{
	PrintStream out = probe.output().out;
	List<Map<String, String>> sessions = probe.getRepairServiceProxy().getSessions(all, getRangeString(startToken, endToken));
	if (sessions.isEmpty())
	{
	out.println("no sessions");
	}
	else
	{
	List<List<String>> rows = new ArrayList<>();
	rows.add(Lists.newArrayList("id",
	"state",
	"last activity",
	"coordinator",
	"participants",
	"participants_wp"));
	int now = FBUtilities.nowInSeconds();
	for (Map<String, String> session : sessions)
	{
	int updated = Integer.parseInt(session.get(LocalSessionInfo.LAST_UPDATE));
	List<String> values = Lists.newArrayList(session.get(LocalSessionInfo.SESSION_ID),
	session.get(LocalSessionInfo.STATE),
	(now - updated) + " (s)",
	session.get(LocalSessionInfo.COORDINATOR),
	session.get(LocalSessionInfo.PARTICIPANTS),
	session.get(LocalSessionInfo.PARTICIPANTS_WP));
	rows.add(values);
	}

	printTable(rows, out);
	}
	}
	}
	@Command(name = "summarize-pending", description = "report the amount of data marked pending repair for the given token " +
	"range (or all replicated range if no tokens are provided")
	public static class SummarizePendingCmd extends RepairAdmin
	{
	@Option(title = "verbose", name = {"-v", "--verbose"}, description = "print additional info ")
	private boolean verbose;

	@Option(title = "start_token", name = {"-st", "--start-token"}, description = "Use -st to specify a token at which the repair range starts")
	private String startToken = StringUtils.EMPTY;

	@Option(title = "end_token", name = {"-et", "--end-token"}, description = "Use -et to specify a token at which repair range ends")
	private String endToken = StringUtils.EMPTY;

	@Arguments(usage = "[<keyspace> <tables>...]", description = "The keyspace followed by one or many tables")
	private List<String> schemaArgs = new ArrayList<>();

	protected void execute(NodeProbe probe)
	{
	List<CompositeData> cds = probe.getRepairServiceProxy().getPendingStats(schemaArgs, getRangeString(startToken, endToken));
	List<PendingStats> stats = new ArrayList<>(cds.size());
	cds.forEach(cd -> stats.add(PendingStats.fromComposite(cd)));

	stats.sort((l, r) -> {
	int cmp = l.keyspace.compareTo(r.keyspace);
	if (cmp != 0)
	return cmp;

	return l.table.compareTo(r.table);
	});

	List<String> header = Lists.newArrayList("keyspace", "table", "total");
	if (verbose)
	{
	header.addAll(Lists.newArrayList("pending", "finalized", "failed"));
	}

	List<List<String>> rows = new ArrayList<>(stats.size() + 1);
	rows.add(header);

	for (PendingStats stat : stats)
	{
	List<String> row = new ArrayList<>(header.size());

	row.add(stat.keyspace);
	row.add(stat.table);
	row.add(stat.total.sizeString());
	if (verbose)
	{
	row.add(stat.pending.sizeString());
	row.add(stat.finalized.sizeString());
	row.add(stat.failed.sizeString());
	}
	rows.add(row);
	}

	printTable(rows, probe.output().out);
	}
	}

	@Command(name = "summarize-repaired", description = "return the most recent repairedAt timestamp for the given token range " +
	"(or all replicated ranges if no tokens are provided)")
	public static class SummarizeRepairedCmd extends RepairAdmin
	{
	@Option(title = "verbose", name = {"-v", "--verbose"}, description = "print additional info ")
	private boolean verbose = false;

	@Option(title = "start_token", name = {"-st", "--start-token"}, description = "Use -st to specify a token at which the repair range starts")
	private String startToken = StringUtils.EMPTY;

	@Option(title = "end_token", name = {"-et", "--end-token"}, description = "Use -et to specify a token at which repair range ends")
	private String endToken = StringUtils.EMPTY;

	@Arguments(usage = "[<keyspace> <tables>...]", description = "The keyspace followed by one or many tables")
	private List<String> schemaArgs = new ArrayList<>();

	protected void execute(NodeProbe probe)
	{
	PrintStream out = probe.output().out;
	List<CompositeData> compositeData = probe.getRepairServiceProxy().getRepairStats(schemaArgs, getRangeString(startToken, endToken));

	if (compositeData.isEmpty())
	{
	out.println("no stats");
	return;
	}

	List<RepairStats> stats = new ArrayList<>(compositeData.size());
	compositeData.forEach(cd -> stats.add(RepairStats.fromComposite(cd)));

	stats.sort((l, r) -> {
	int cmp = l.keyspace.compareTo(r.keyspace);
	if (cmp != 0)
	return cmp;

	return l.table.compareTo(r.table);
	});

	List<String> header = Lists.newArrayList("keyspace", "table", "min_repaired", "max_repaired");
	if (verbose)
	header.add("detail");

	List<List<String>> rows = new ArrayList<>(stats.size() + 1);
	rows.add(header);

	for (RepairStats stat : stats)
	{
	List<String> row = Lists.newArrayList(stat.keyspace,
	stat.table,
	Long.toString(stat.minRepaired),
	Long.toString(stat.maxRepaired));
	if (verbose)
	{
	row.add(Joiner.on(", ").join(Iterables.transform(stat.sections, RepairStats.Section::toString)));
	}
	rows.add(row);
	}

	printTable(rows, out);
	}
	}

	@Command(name = "cleanup", description = "cleans up pending data from completed sessions. " +
	"This happens automatically, but the command is provided " +
	"for situations where it needs to be expedited." +
	" Use --force to cancel compactions that are preventing promotion")
	public static class CleanupDataCmd extends RepairAdmin
	{
	@Option(title = "force", name = {"-f", "--force"}, description = "Force a cleanup.")
	private boolean force = false;

	@Option(title = "start_token", name = {"-st", "--start-token"}, description = "Use -st to specify a token at which the repair range starts")
	private String startToken = StringUtils.EMPTY;

	@Option(title = "end_token", name = {"-et", "--end-token"}, description = "Use -et to specify a token at which repair range ends")
	private String endToken = StringUtils.EMPTY;

	@Arguments(usage = "[<keyspace> <tables>...]", description = "The keyspace followed by one or many tables")
	private List<String> schemaArgs = new ArrayList<>();

	protected void execute(NodeProbe probe)
	{
	PrintStream out = probe.output().out;
	out.println("Cleaning up data from completed sessions...");
	List<CompositeData> compositeData = probe.getRepairServiceProxy().cleanupPending(schemaArgs, getRangeString(startToken, endToken), force);

	List<CleanupSummary> summaries = new ArrayList<>(compositeData.size());
	compositeData.forEach(cd -> summaries.add(CleanupSummary.fromComposite(cd)));

	summaries.sort((l, r) -> {
	int cmp = l.keyspace.compareTo(r.keyspace);
	if (cmp != 0)
	return cmp;

	return l.table.compareTo(r.table);
	});

	List<String> header = Lists.newArrayList("keyspace", "table", "successful sessions", "unsuccessful sessions");
	List<List<String>> rows = new ArrayList<>(summaries.size() + 1);
	rows.add(header);

	boolean hasFailures = false;
	for (CleanupSummary summary : summaries)
	{
	List<String> row = Lists.newArrayList(summary.keyspace,
	summary.table,
	Integer.toString(summary.successful.size()),
	Integer.toString(summary.unsuccessful.size()));

	hasFailures \|= !summary.unsuccessful.isEmpty();
	rows.add(row);
	}

	if (hasFailures)
	out.println("Some tables couldn't be cleaned up completely");

	printTable(rows, out);
	}
	}

	@Command(name = "cancel", description = "cancel an incremental repair session." +
	" Use --force to cancel from a node other than the repair coordinator" +
	" Attempting to cancel FINALIZED or FAILED sessions is an error.")
	public static class CancelCmd extends RepairAdmin
	{
	@Option(title = "force", name = {"-f", "--force"}, description = "Force a cancellation.")
	private boolean force = false;

	@Option(title = "session", name = {"-s", "--session"}, description = "The session to cancel", required = true)
	private String sessionToCancel;

	protected void execute(NodeProbe probe)
	{
	probe.getRepairServiceProxy().failSession(sessionToCancel, force);
	}
	}

	private static void printTable(List<List<String>> rows, PrintStream out)
	{
	if (rows.isEmpty())
	return;

	// get max col widths
	int[] widths = new int[rows.get(0).size()];
	for (List<String> row : rows)
	{
	assert row.size() == widths.length;
	for (int i = 0; i < widths.length; i++)
	{
	widths[i] = Math.max(widths[i], row.get(i).length());
	}
	}

	List<String> fmts = new ArrayList<>(widths.length);
	for (int i = 0; i < widths.length; i++)
	{
	fmts.add("%-" + widths[i] + "s");
	}

	// print
	for (List<String> row : rows)
	{
	List<String> formatted = new ArrayList<>(row.size());
	for (int i = 0; i < widths.length; i++)
	{
	formatted.add(String.format(fmts.get(i), row.get(i)));
	}
	out.println(Joiner.on(" \| ").join(formatted));
	}
	}

	static String getRangeString(String startToken, String endToken)
	{
	String rangeStr = null;
	if (!startToken.isEmpty() \|\| !endToken.isEmpty())
	rangeStr = startToken + ':' + endToken;
	return rangeStr;
	}
	}