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/*
* 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.asterix.event.management;
import java.io.BufferedInputStream;
import java.io.File;
import java.io.IOException;
import java.io.StringWriter;
import java.util.ArrayList;
import java.util.List;
import org.apache.asterix.event.driver.EventDriver;
import org.apache.asterix.event.schema.cluster.Cluster;
import org.apache.asterix.event.schema.cluster.Node;
import org.apache.asterix.event.schema.cluster.Property;
import org.apache.asterix.event.schema.pattern.Pattern;
import org.apache.asterix.event.service.AsterixEventServiceUtil;
import org.apache.commons.io.IOUtils;
public class EventExecutor {
private static final String EXECUTE_SCRIPT = "execute.sh";
private static final String IP_LOCATION = "IP_LOCATION";
private static final String CLUSTER_ENV = "ENV";
private static final String SCRIPT = "SCRIPT";
private static final String ARGS = "ARGS";
private static final String DAEMON = "DAEMON";
public void executeEvent(Node node, String script, List<String> args, boolean isDaemon, Cluster cluster,
Pattern pattern, IOutputHandler outputHandler, AsterixEventServiceClient client) throws IOException {
List<String> pargs = new ArrayList<>();
pargs.add("/bin/bash");
pargs.add(client.getEventsHomeDir() + File.separator + AsterixEventServiceUtil.EVENT_DIR + File.separator
+ EXECUTE_SCRIPT);
StringBuilder envBuffer = new StringBuilder(IP_LOCATION + "=" + node.getClusterIp() + " ");
boolean isMasterNode = node.getId().equals(cluster.getMasterNode().getId());
if (!node.getId().equals(EventDriver.CLIENT_NODE_ID) && cluster.getEnv() != null) {
for (Property p : cluster.getEnv().getProperty()) {
if (p.getKey().equals("JAVA_HOME")) {
String val = node.getJavaHome() == null ? p.getValue() : node.getJavaHome();
envBuffer.append(p.getKey() + "=" + val + " ");
} else if (p.getKey().equals(EventUtil.NC_JAVA_OPTS)) {
if (!isMasterNode) {
appendJavaOpts(node, envBuffer, p);
}
} else if (p.getKey().equals(EventUtil.CC_JAVA_OPTS)) {
if (isMasterNode) {
appendJavaOpts(node, envBuffer, p);
}
} else if (p.getKey().equals("LOG_DIR")) {
String val = node.getLogDir() == null ? p.getValue() : node.getLogDir();
envBuffer.append(p.getKey() + "=" + val + " ");
} else {
envBuffer.append(p.getKey() + "=" + p.getValue() + " ");
}
}
pargs.add(cluster.getUsername() == null ? System.getProperty("user.name") : cluster.getUsername());
}
StringBuilder argBuffer = new StringBuilder();
if (args != null && args.size() > 0) {
for (String arg : args) {
argBuffer.append(arg + " ");
}
}
ProcessBuilder pb = new ProcessBuilder(pargs);
pb.environment().put(IP_LOCATION, node.getClusterIp());
pb.environment().put(CLUSTER_ENV, envBuffer.toString());
pb.environment().put(SCRIPT, script);
pb.environment().put(ARGS, argBuffer.toString());
pb.environment().put(DAEMON, Boolean.toString(isDaemon));
Process p = pb.start();
if (!isDaemon) {
BufferedInputStream bis = new BufferedInputStream(p.getInputStream());
StringWriter writer = new StringWriter();
IOUtils.copy(bis, writer, "UTF-8");
String result = writer.getBuffer().toString();
OutputAnalysis analysis = outputHandler.reportEventOutput(pattern.getEvent(), result);
if (!analysis.isExpected()) {
throw new IOException(analysis.getErrorMessage() + result);
}
}
}
protected void appendJavaOpts(Node node, StringBuilder envBuffer, Property p) {
StringBuilder builder = new StringBuilder();
builder.append("\"");
String javaOpts = p.getValue();
if (javaOpts != null) {
builder.append(javaOpts);
}
if (node.getDebugPort() != null) {
int debugPort = node.getDebugPort().intValue();
if (javaOpts == null || !javaOpts.contains("-Xdebug")) {
builder.append(" -Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=").append(debugPort);
}
}
builder.append("\"");
envBuffer.append("JAVA_OPTS=").append(builder.toString()).append(" ");
}
}