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IGNITE-18546 Add cache clear command to control.sh (apache#10577)
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108 changes: 108 additions & 0 deletions
108
...ontrol-utility/src/main/java/org/apache/ignite/internal/commandline/cache/CacheClear.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,108 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
|
|
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| package org.apache.ignite.internal.commandline.cache; | ||
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| import java.util.Arrays; | ||
| import java.util.List; | ||
| import java.util.stream.Collectors; | ||
| import org.apache.ignite.IgniteLogger; | ||
| import org.apache.ignite.internal.client.GridClient; | ||
| import org.apache.ignite.internal.client.GridClientConfiguration; | ||
| import org.apache.ignite.internal.commandline.AbstractCommand; | ||
| import org.apache.ignite.internal.commandline.Command; | ||
| import org.apache.ignite.internal.commandline.CommandArgIterator; | ||
| import org.apache.ignite.internal.commandline.TaskExecutor; | ||
| import org.apache.ignite.internal.processors.cache.ClearCachesTask; | ||
| import org.apache.ignite.internal.processors.cache.ClearCachesTaskArg; | ||
| import org.apache.ignite.internal.processors.cache.ClearCachesTaskResult; | ||
| import org.apache.ignite.internal.util.typedef.F; | ||
| import org.apache.ignite.internal.util.typedef.internal.U; | ||
|
|
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| import static org.apache.ignite.internal.commandline.cache.CacheSubcommands.CLEAR; | ||
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| /** Command that clears specified caches. */ | ||
| public class CacheClear extends AbstractCommand<ClearCachesTaskArg> { | ||
| /** Message that contains cleared caches. */ | ||
| public static final String CLEAR_MSG = "The following caches have been cleared: %s"; | ||
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| /** Message that contains not-cleared caches (they don't exist). */ | ||
| public static final String SKIP_CLEAR_MSG = "The following caches don't exist: %s"; | ||
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| /** Comma-separated list of cache names. */ | ||
| public static final String CACHES = "--caches"; | ||
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| /** Command parsed arguments. */ | ||
| private ClearCachesTaskArg arg; | ||
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| /** {@inheritDoc} */ | ||
| @Override public Object execute(GridClientConfiguration clientCfg, IgniteLogger log) throws Exception { | ||
| try (GridClient client = Command.startClient(clientCfg)) { | ||
| ClearCachesTaskResult res = TaskExecutor.executeTask(client, ClearCachesTask.class, arg(), clientCfg); | ||
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| if (!F.isEmpty(res.clearedCaches())) | ||
| U.log(log, String.format(CLEAR_MSG, String.join(", ", res.clearedCaches()))); | ||
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| if (!F.isEmpty(res.nonExistentCaches())) | ||
| U.warn(log, String.format(SKIP_CLEAR_MSG, String.join(", ", res.nonExistentCaches()))); | ||
| } | ||
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| return null; | ||
| } | ||
|
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| /** {@inheritDoc} */ | ||
| @Override public ClearCachesTaskArg arg() { | ||
| return arg; | ||
| } | ||
|
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| /** {@inheritDoc} */ | ||
| @Override public void printUsage(IgniteLogger logger) { | ||
| usageCache( | ||
| logger, | ||
| CacheSubcommands.CLEAR, | ||
| "Clear specified caches.", | ||
| F.asMap(CACHES, "specifies a comma-separated list of cache names to be cleared.")); | ||
| } | ||
|
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| /** {@inheritDoc} */ | ||
| @Override public void parseArguments(CommandArgIterator argIter) { | ||
| String cmdArg = argIter.nextArg("Command arguments are expected."); | ||
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| if (cmdArg == null) | ||
| throw new IllegalArgumentException("Unknown argument: " + cmdArg); | ||
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| if (CACHES.equals(cmdArg)) { | ||
| String cacheNamesArg = argIter.nextArg("Expected a comma-separated cache names."); | ||
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| List<String> caches = Arrays.stream(cacheNamesArg.split(",")).collect(Collectors.toList()); | ||
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| arg = new ClearCachesTaskArg(caches); | ||
| } | ||
| else | ||
| throw new IllegalArgumentException("Unknown argument: " + cmdArg); | ||
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| if (argIter.hasNextSubArg()) { | ||
| throw new IllegalArgumentException( | ||
| "Invalid argument \"" + argIter.peekNextArg() + "\", no more arguments are expected."); | ||
| } | ||
| } | ||
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| /** {@inheritDoc} */ | ||
| @Override public String name() { | ||
| return CLEAR.text().toUpperCase(); | ||
| } | ||
| } |
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81 changes: 81 additions & 0 deletions
81
modules/core/src/main/java/org/apache/ignite/internal/processors/cache/ClearCachesTask.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,81 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
|
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| package org.apache.ignite.internal.processors.cache; | ||
|
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| import java.util.ArrayList; | ||
| import java.util.List; | ||
| import org.apache.ignite.Ignite; | ||
| import org.apache.ignite.IgniteCache; | ||
| import org.apache.ignite.IgniteException; | ||
| import org.apache.ignite.internal.processors.task.GridInternal; | ||
| import org.apache.ignite.internal.visor.VisorJob; | ||
| import org.apache.ignite.internal.visor.VisorOneNodeTask; | ||
| import org.apache.ignite.resources.IgniteInstanceResource; | ||
| import org.jetbrains.annotations.Nullable; | ||
|
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| /** Clears specified caches. */ | ||
| @GridInternal | ||
| public class ClearCachesTask extends VisorOneNodeTask<ClearCachesTaskArg, ClearCachesTaskResult> { | ||
| /** */ | ||
| private static final long serialVersionUID = 0L; | ||
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| /** */ | ||
| @Override protected VisorJob<ClearCachesTaskArg, ClearCachesTaskResult> job(ClearCachesTaskArg arg) { | ||
| return new ClearCacheJob(arg, debug); | ||
| } | ||
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| /** Job clears specified caches. */ | ||
| private static class ClearCacheJob extends VisorJob<ClearCachesTaskArg, ClearCachesTaskResult> { | ||
| /** */ | ||
| private static final long serialVersionUID = 0L; | ||
|
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| /** Local Ignite instance. */ | ||
| private Ignite ignite; | ||
|
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| /** */ | ||
| private ClearCacheJob(ClearCachesTaskArg arg, boolean debug) { | ||
| super(arg, debug); | ||
| } | ||
|
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| /** {@inheritDoc} */ | ||
| @Override protected ClearCachesTaskResult run(@Nullable ClearCachesTaskArg arg) throws IgniteException { | ||
| List<String> clearedCaches = new ArrayList<>(); | ||
| List<String> nonExistentCaches = new ArrayList<>(); | ||
|
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| for (String cache: arg.caches()) { | ||
| IgniteCache<?, ?> ignCache = ignite.cache(cache); | ||
|
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| if (ignCache == null) | ||
| nonExistentCaches.add(cache); | ||
| else { | ||
| ignCache.clear(); | ||
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| clearedCaches.add(cache); | ||
| } | ||
| } | ||
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| return new ClearCachesTaskResult(clearedCaches, nonExistentCaches); | ||
| } | ||
|
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| /** */ | ||
| @IgniteInstanceResource | ||
| public void setIgnite(Ignite ignite) { | ||
| this.ignite = ignite; | ||
| } | ||
| } | ||
| } |
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