package org.safehaus.penrose.service;
import org.safehaus.penrose.client.BaseClient;
import org.safehaus.penrose.client.PenroseClient;
import org.safehaus.penrose.service.ServiceManagerServiceMBean;
import org.safehaus.penrose.util.TextUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.log4j.Level;
import org.apache.log4j.ConsoleAppender;
import org.apache.log4j.PatternLayout;
import org.apache.log4j.BasicConfigurator;
import org.apache.log4j.xml.DOMConfigurator;
import java.util.Collection;
import java.util.ArrayList;
import java.util.Iterator;
import java.io.File;
import gnu.getopt.LongOpt;
import gnu.getopt.Getopt;
/**
* @author Endi Sukma Dewata
*/
public class ServiceManagerClient extends BaseClient implements ServiceManagerServiceMBean {
public static Logger log = LoggerFactory.getLogger(ServiceManagerClient.class);
public ServiceManagerClient(PenroseClient client) throws Exception {
super(client, "ServiceManager", getStringObjectName());
}
public Collection<String> getServiceNames() throws Exception {
return (Collection<String>)getAttribute("ServiceNames");
}
public void startServices() throws Exception {
invoke(
"startServices",
new Object[] { },
new String[] { });
}
public void stopServices() throws Exception {
invoke(
"stopServices",
new Object[] { },
new String[] { });
}
public ServiceConfig getServiceConfig(String name) throws Exception {
return (ServiceConfig)invoke(
"getServiceConfig",
new Object[] { name },
new String[] { String.class.getName() });
}
public void startService(String name) throws Exception {
invoke("startService",
new Object[] { name },
new String[] { String.class.getName() }
);
}
public void stopService(String name) throws Exception {
invoke("stopService",
new Object[] { name },
new String[] { String.class.getName() }
);
}
public void createService(ServiceConfig serviceConfig) throws Exception {
invoke("createService",
new Object[] { serviceConfig },
new String[] { ServiceConfig.class.getName() }
);
}
public void updateService(String name, ServiceConfig serviceConfig) throws Exception {
invoke("updateService",
new Object[] { name, serviceConfig },
new String[] { String.class.getName(), ServiceConfig.class.getName() }
);
}
public void removeService(String name) throws Exception {
invoke("removeService",
new Object[] { name },
new String[] { String.class.getName() }
);
}
public ServiceClient getServiceClient(String serviceName) throws Exception {
return new ServiceClient(client, serviceName);
}
public static String getStringObjectName() {
return "Penrose:name=ServiceManager";
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Command Line
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
public static void showServices(PenroseClient client) throws Exception {
ServiceManagerClient serviceManagerClient = client.getServiceManagerClient();
System.out.print(TextUtil.rightPad("PARTITION", 15)+" ");
System.out.println(TextUtil.rightPad("STATUS", 10));
System.out.print(TextUtil.repeat("-", 15)+" ");
System.out.println(TextUtil.repeat("-", 10));
for (String serviceName : serviceManagerClient.getServiceNames()) {
ServiceClient serviceClient = serviceManagerClient.getServiceClient(serviceName);
String status;
try {
status = serviceClient.getStatus();
} catch (Exception e) {
status = "STOPPED";
}
System.out.print(TextUtil.rightPad(serviceName, 15) + " ");
System.out.println(TextUtil.rightPad(status, 10));
}
}
public static void showService(PenroseClient client, String serviceName) throws Exception {
ServiceManagerClient serviceManagerClient = client.getServiceManagerClient();
ServiceClient serviceClient = serviceManagerClient.getServiceClient(serviceName);
ServiceConfig serviceConfig = serviceManagerClient.getServiceConfig(serviceName);
System.out.println("Name : "+serviceConfig.getName());
System.out.println("Class : "+serviceConfig.getServiceClass());
String description = serviceConfig.getDescription();
System.out.println("Description : "+(description == null ? "" : description));
System.out.println("Enabled : "+serviceConfig.isEnabled());
String status;
try {
status = serviceClient.getStatus();
} catch (Exception e) {
status = "STOPPED";
}
System.out.println("Status : "+status);
System.out.println();
System.out.println("Parameters: ");
for (String paramName : serviceConfig.getParameterNames()) {
String value = serviceConfig.getParameter(paramName);
System.out.println(" - " + paramName + ": " + value);
}
}
public static void processShowCommand(PenroseClient client, Iterator<String> iterator) throws Exception {
String target = iterator.next();
if ("services".equals(target)) {
showServices(client);
} else if ("service".equals(target)) {
String serviceName = iterator.next();
showService(client, serviceName);
} else {
System.out.println("Invalid target: "+target);
}
}
public static void startServices(PenroseClient client) throws Exception {
log.debug("Starting all services...");
ServiceManagerClient serviceManagerClient = client.getServiceManagerClient();
serviceManagerClient.startServices();
log.debug("All partitions started.");
}
public static void startService(PenroseClient client, String serviceName) throws Exception {
log.debug("Starting service "+serviceName+"...");
ServiceManagerClient serviceManagerClient = client.getServiceManagerClient();
ServiceClient serviceClient = serviceManagerClient.getServiceClient(serviceName);
serviceClient.start();
log.debug("Service "+serviceName+" started.");
}
public static void processStartCommand(PenroseClient client, Iterator<String> iterator) throws Exception {
String target = iterator.next();
if ("services".equals(target)) {
startServices(client);
} else if ("service".equals(target)) {
String serviceName = iterator.next();
startService(client, serviceName);
} else {
System.out.println("Invalid target: "+target);
}
}
public static void stopServices(PenroseClient client) throws Exception {
log.debug("Stopping all services...");
ServiceManagerClient serviceManagerClient = client.getServiceManagerClient();
serviceManagerClient.stopServices();
log.debug("All services stopped.");
}
public static void stopService(PenroseClient client, String serviceName) throws Exception {
log.debug("Stopping service "+serviceName+"...");
ServiceManagerClient serviceManagerClient = client.getServiceManagerClient();
ServiceClient serviceClient = serviceManagerClient.getServiceClient(serviceName);
serviceClient.stop();
log.debug("Service "+serviceName+" stopped.");
}
public static void processStopCommand(PenroseClient client, Iterator<String> iterator) throws Exception {
String target = iterator.next();
if ("services".equals(target)) {
stopServices(client);
} else if ("service".equals(target)) {
String serviceName = iterator.next();
stopService(client, serviceName);
} else {
System.out.println("Invalid target: "+target);
}
}
public static void restartServices(PenroseClient client) throws Exception {
stopServices(client);
startServices(client);
}
public static void restartService(PenroseClient client, String serviceName) throws Exception {
stopService(client, serviceName);
startService(client, serviceName);
}
public static void processRestartCommand(PenroseClient client, Iterator<String> iterator) throws Exception {
String target = iterator.next();
if ("services".equals(target)) {
restartServices(client);
} else if ("service".equals(target)) {
String serviceName = iterator.next();
restartService(client, serviceName);
} else {
System.out.println("Invalid target: "+target);
}
}
public static void invokeMethod(
PenroseClient client,
String serviceName,
String methodName,
Object[] paramValues,
String[] paramTypes
) throws Exception {
ServiceManagerClient serviceManagerClient = client.getServiceManagerClient();
ServiceClient serviceClient = serviceManagerClient.getServiceClient(serviceName);
Object returnValue = serviceClient.invoke(
methodName,
paramValues,
paramTypes
);
System.out.println("Return value: "+returnValue);
}
public static void processInvokeCommand(PenroseClient client, Iterator<String> iterator) throws Exception {
iterator.next(); // method
String methodName = iterator.next();
iterator.next(); // in
String target = iterator.next();
if ("service".equals(target)) {
String serviceName = iterator.next();
Object[] paramValues;
String[] paramTypes;
if (iterator.hasNext()) {
iterator.next(); // with
Collection<Object> values = new ArrayList<Object>();
Collection<String> types = new ArrayList<String>();
while (iterator.hasNext()) {
String value = iterator.next();
values.add(value);
types.add(String.class.getName());
}
paramValues = values.toArray(new Object[values.size()]);
paramTypes = types.toArray(new String[types.size()]);
} else {
paramValues = new Object[0];
paramTypes = new String[0];
}
invokeMethod(client, serviceName, methodName, paramValues, paramTypes);
} else {
System.out.println("Invalid target: "+target);
}
}
public static void execute(PenroseClient client, Collection<String> parameters) throws Exception {
Iterator<String> iterator = parameters.iterator();
String command = iterator.next();
log.debug("Executing "+command);
if ("show".equals(command)) {
processShowCommand(client, iterator);
} else if ("start".equals(command)) {
processStartCommand(client, iterator);
} else if ("stop".equals(command)) {
processStopCommand(client, iterator);
} else if ("restart".equals(command)) {
processRestartCommand(client, iterator);
/*
} else if ("invoke".equals(command)) {
processInvokeCommand(client, iterator);
*/
} else {
System.out.println("Invalid command: "+command);
}
}
public static void showUsage() {
System.out.println("Usage: org.safehaus.penrose.service.ServiceManagerClient [OPTION]... <COMMAND>");
System.out.println();
System.out.println("Options:");
System.out.println(" -?, --help display this help and exit");
System.out.println(" -P protocol Penrose JMX protocol");
System.out.println(" -h host Penrose server");
System.out.println(" -p port Penrose JMX port");
System.out.println(" -D username username");
System.out.println(" -w password password");
System.out.println(" -d run in debug mode");
System.out.println(" -v run in verbose mode");
System.out.println();
System.out.println("Commands:");
System.out.println();
System.out.println(" show services");
System.out.println(" show service <service name>");
System.out.println();
System.out.println(" start services");
System.out.println(" start service <service name>");
System.out.println();
System.out.println(" stop services");
System.out.println(" stop service <service name>");
System.out.println();
System.out.println(" restart services");
System.out.println(" restart service <service name>");
System.out.println();
System.out.println(" invoke method <method name> in service <service name> [with <parameter>...]");
}
public static void main(String args[]) throws Exception {
Level level = Level.WARN;
String serverType = PenroseClient.PENROSE;
String protocol = PenroseClient.DEFAULT_PROTOCOL;
String hostname = "localhost";
int portNumber = PenroseClient.DEFAULT_RMI_PORT;
int rmiTransportPort = PenroseClient.DEFAULT_RMI_TRANSPORT_PORT;
String bindDn = null;
String bindPassword = null;
LongOpt[] longopts = new LongOpt[1];
longopts[0] = new LongOpt("help", LongOpt.NO_ARGUMENT, null, '?');
Getopt getopt = new Getopt("ServiceManagerClient", args, "-:?dvt:h:p:r:P:D:w:", longopts);
Collection<String> parameters = new ArrayList<String>();
int c;
while ((c = getopt.getopt()) != -1) {
switch (c) {
case ':':
case '?':
showUsage();
System.exit(0);
break;
case 1:
parameters.add(getopt.getOptarg());
break;
case 'd':
level = Level.DEBUG;
break;
case 'v':
level = Level.INFO;
break;
case 'P':
protocol = getopt.getOptarg();
break;
case 't':
serverType = getopt.getOptarg();
break;
case 'h':
hostname = getopt.getOptarg();
break;
case 'p':
portNumber = Integer.parseInt(getopt.getOptarg());
break;
case 'r':
rmiTransportPort = Integer.parseInt(getopt.getOptarg());
break;
case 'D':
bindDn = getopt.getOptarg();
break;
case 'w':
bindPassword = getopt.getOptarg();
}
}
if (parameters.size() == 0) {
showUsage();
System.exit(0);
}
File clientHome = new File(System.getProperty("org.safehaus.penrose.client.home"));
//Logger rootLogger = Logger.getRootLogger();
//rootLogger.setLevel(Level.OFF);
org.apache.log4j.Logger logger = org.apache.log4j.Logger.getLogger("org.safehaus.penrose");
File log4jXml = new File(clientHome, "conf"+File.separator+"log4j.xml");
if (level.equals(Level.DEBUG)) {
logger.setLevel(level);
ConsoleAppender appender = new ConsoleAppender(new PatternLayout("%-20C{1} [%4L] %m%n"));
BasicConfigurator.configure(appender);
} else if (level.equals(Level.INFO)) {
logger.setLevel(level);
ConsoleAppender appender = new ConsoleAppender(new PatternLayout("[%d{MM/dd/yyyy HH:mm:ss}] %m%n"));
BasicConfigurator.configure(appender);
} else if (log4jXml.exists()) {
DOMConfigurator.configure(log4jXml.getAbsolutePath());
} else {
logger.setLevel(level);
ConsoleAppender appender = new ConsoleAppender(new PatternLayout("[%d{MM/dd/yyyy HH:mm:ss}] %m%n"));
BasicConfigurator.configure(appender);
}
try {
PenroseClient client = new PenroseClient(
serverType,
protocol,
hostname,
portNumber,
bindDn,
bindPassword
);
client.setRmiTransportPort(rmiTransportPort);
client.connect();
execute(client, parameters);
client.close();
} catch (SecurityException e) {
log.error(e.getMessage());
} catch (Exception e) {
log.error(e.getMessage(), e);
}
}
}