/*
*
* * RHQ Management Platform
* * Copyright (C) 2005-2013 Red Hat, Inc.
* * All rights reserved.
* *
* * This program is free software; you can redistribute it and/or modify
* * it under the terms of the GNU General Public License, version 2, as
* * published by the Free Software Foundation, and/or the GNU Lesser
* * General Public License, version 2.1, also as published by the Free
* * Software Foundation.
* *
* * This program is distributed in the hope that it will be useful,
* * but WITHOUT ANY WARRANTY; without even the implied warranty of
* * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* * GNU General Public License and the GNU Lesser General Public License
* * for more details.
* *
* * You should have received a copy of the GNU General Public License
* * and the GNU Lesser General Public License along with this program;
* * if not, write to the Free Software Foundation, Inc.,
* * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
package org.rhq.server.control.command;
import java.io.File;
import java.util.HashMap;
import java.util.Map;
import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.Options;
import org.rhq.server.control.ControlCommand;
import org.rhq.server.control.RHQControl;
import org.rhq.server.control.RHQControlException;
import org.rhq.server.control.util.ExecutorAssist;
/**
* @author John Sanda
*/
public class Start extends ControlCommand {
private Options options;
public Start() {
options = new Options().addOption(null, STORAGE_OPTION, false, "Start RHQ storage node")
.addOption(null, SERVER_OPTION, false, "Start RHQ server")
.addOption(null, AGENT_OPTION, false, "Start RHQ agent");
}
@Override
public String getName() {
return "start";
}
@Override
public String getDescription() {
return "Starts RHQ services.";
}
@Override
public Options getOptions() {
return options;
}
@Override
protected String getReadmeFilename() {
return "START_README.txt";
}
@Override
protected int exec(CommandLine commandLine) {
int rValue = RHQControl.EXIT_CODE_OK;
try {
// if no options specified, then start whatever is installed
if (commandLine.getOptions().length == 0) {
boolean storageInstalled = isStorageInstalled();
boolean serverInstalled = isServerInstalled();
boolean agentInstalled = isAgentInstalled();
if (!(storageInstalled || serverInstalled || agentInstalled)) {
log.warn("Nothing to start. No RHQ services are installed.");
rValue = RHQControl.EXIT_CODE_NOT_INSTALLED;
} else {
if (storageInstalled) {
rValue = Math.max(rValue, startStorage());
}
if (serverInstalled) {
rValue = Math.max(rValue, startRHQServer());
}
if (agentInstalled) {
rValue = Math.max(rValue, startAgent());
}
}
} else {
if (commandLine.hasOption(STORAGE_OPTION)) {
if (isStorageInstalled()) {
rValue = Math.max(rValue, startStorage());
} else {
log.warn("It appears that the storage node is not installed. The --" + STORAGE_OPTION
+ " option will be ignored.");
rValue = RHQControl.EXIT_CODE_NOT_INSTALLED;
}
}
if (commandLine.hasOption(SERVER_OPTION)) {
if (isServerInstalled()) {
rValue = Math.max(rValue, startRHQServer());
} else {
log.warn("It appears that the server is not installed. The --" + SERVER_OPTION
+ " option will be ignored.");
rValue = RHQControl.EXIT_CODE_NOT_INSTALLED;
}
}
if (commandLine.hasOption(AGENT_OPTION)) {
if (isAgentInstalled()) {
rValue = Math.max(rValue, startAgent());
} else {
log.warn("It appears that the agent is not installed. The --" + AGENT_OPTION
+ " option will be ignored.");
rValue = RHQControl.EXIT_CODE_NOT_INSTALLED;
}
}
}
} catch (Exception e) {
throw new RHQControlException("Failed to start services", e);
}
return rValue;
}
private int startStorage() throws Exception {
log.debug("Starting RHQ storage node");
org.apache.commons.exec.CommandLine commandLine;
int rValue;
// Cassandra looks for JAVA_HOME or then defaults to PATH. We want it to use the Java defined for RHQ,
// so make sure JAVA_HOME is set, and set to the RHQ Java for the executor environment.
String javaExeFilePath = System.getProperty("rhq.java-exe-file-path");
String javaHome = javaExeFilePath.replace('\\', '/');
if (javaHome.endsWith("/bin/java")) {
javaHome = javaHome.substring(0, javaExeFilePath.lastIndexOf("/bin/java"));
}
Map<String, String> env = new HashMap<String, String>(System.getenv());
env.put("JAVA_HOME", javaHome);
if (isWindows()) {
// Force CASSANDRA_HOME to prevent starting wrong instance of Cassandra (BZ 1069855)
env.put("CASSANDRA_HOME", getStorageBasedir().getAbsolutePath());
commandLine = getCommandLine("rhq-storage", "start");
rValue = ExecutorAssist.execute(getBinDir(), commandLine, env);
if (rValue != RHQControl.EXIT_CODE_OK) {
log.debug("Failed to start storage service, return value" + rValue);
}
} else {
File storageBinDir = new File(getStorageBasedir(), "bin");
File pidFile = getStoragePidFile();
// For now we are duplicating logic in the status command. This code will be
// replaced when we implement a rhq-storage.sh script.
if (isStorageRunning()) {
String pid = getStoragePid();
System.out.println("RHQ storage node (pid " + pid + ") is running");
rValue = RHQControl.EXIT_CODE_OK;
} else {
// Force CASSANDRA_INCLUDE to prevent starting wrong instance of Cassandra (BZ 1069855)
env.put("CASSANDRA_INCLUDE", storageBinDir + File.separator + "cassandra.in.sh");
commandLine = getCommandLine(false, "cassandra", "-p", pidFile.getAbsolutePath());
rValue = ExecutorAssist.execute(storageBinDir, commandLine, env);
}
}
return rValue;
}
private int startRHQServer() throws Exception {
log.debug("Starting RHQ server");
validateServerPropertiesFile();
org.apache.commons.exec.CommandLine commandLine = getCommandLine("rhq-server", "start");
int rValue;
if (isWindows()) {
try {
rValue = ExecutorAssist.execute(getBinDir(), commandLine);
} catch (Exception e) {
// Ignore, service may not exist or be running, , script returns 1
log.debug("Failed to start server service", e);
rValue = RHQControl.EXIT_CODE_OPERATION_FAILED;
}
} else {
rValue = ExecutorAssist.execute(getBinDir(), commandLine);
}
return rValue;
}
private int startAgent() throws Exception {
log.debug("Starting RHQ agent");
File agentBinDir = new File(getAgentBasedir(), "bin");
org.apache.commons.exec.CommandLine commandLine = getCommandLine("rhq-agent-wrapper", "start");
int rValue;
if (isWindows()) {
try {
rValue = ExecutorAssist.execute(agentBinDir, commandLine);
} catch (Exception e) {
// Ignore, service may not exist or be running, , script returns 1
log.debug("Failed to start agent service", e);
rValue = RHQControl.EXIT_CODE_OPERATION_FAILED;
}
} else {
rValue = ExecutorAssist.execute(agentBinDir, commandLine);
}
return rValue;
}
}