com.hazelcast.internal.management.operation.RunConsoleCommandOperation Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2021, Hazelcast, Inc. All Rights Reserved.
*
* Licensed 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 com.hazelcast.internal.management.operation;
import com.hazelcast.config.ManagementCenterConfig;
import com.hazelcast.core.HazelcastException;
import com.hazelcast.internal.management.ManagementCenterService;
import com.hazelcast.logging.ILogger;
import com.hazelcast.spi.impl.NodeEngineImpl;
import com.hazelcast.spi.impl.executionservice.ExecutionService;
import com.hazelcast.spi.impl.operationservice.AbstractLocalOperation;
import java.security.AccessControlException;
import java.util.concurrent.Future;
import static com.hazelcast.internal.util.ConcurrencyUtil.CALLER_RUNS;
import static com.hazelcast.internal.util.ExceptionUtil.peel;
import static com.hazelcast.internal.util.ExceptionUtil.withTryCatch;
import static com.hazelcast.internal.util.StringUtil.isNullOrEmpty;
/**
* Operation to run console command. The command is executed on {@link ExecutionService#MC_EXECUTOR} executor.
*/
public class RunConsoleCommandOperation extends AbstractLocalOperation {
private final String command;
private final String namespace;
public RunConsoleCommandOperation(String command, String namespace) {
this.command = command;
this.namespace = namespace;
}
@Override
public void run() throws Exception {
final ManagementCenterService mcs = ((NodeEngineImpl) getNodeEngine()).getManagementCenterService();
if (mcs == null) {
sendResponse(new HazelcastException("ManagementCenterService is not initialized yet"));
return;
}
final ILogger logger = getNodeEngine().getLogger(getClass());
final ExecutionService executionService = getNodeEngine().getExecutionService();
Future future = executionService.submit(
ExecutionService.MC_EXECUTOR,
() -> {
ManagementCenterConfig mcConfig = getNodeEngine().getConfig().getManagementCenterConfig();
if (!mcConfig.isConsoleEnabled()) {
throw new AccessControlException("Using Console is not allowed on this Hazelcast member.");
}
try {
final String ns = namespace;
String cmd = command;
if (!isNullOrEmpty(ns)) {
// set namespace as a part of the command
cmd = ns + "__" + cmd;
}
return mcs.runConsoleCommand(cmd);
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
throw e;
}
});
executionService.asCompletableFuture(future).whenCompleteAsync(
withTryCatch(
logger,
(output, error) -> sendResponse(error != null ? peel(error) : output)
), CALLER_RUNS
);
}
@Override
public final Object getResponse() {
throw new UnsupportedOperationException();
}
@Override
public String getServiceName() {
return ManagementCenterService.SERVICE_NAME;
}
@Override
public boolean returnsResponse() {
return false;
}
}