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// Portions Copyright [2019] Payara Foundation and/or affiliates
package org.glassfish.loadbalancer.admin.cli.helper;
import com.sun.enterprise.config.serverbeans.Domain;
import org.glassfish.internal.data.ApplicationRegistry;
import org.glassfish.loadbalancer.admin.cli.LbLogUtil;
import org.glassfish.loadbalancer.admin.cli.beans.Loadbalancer;
import org.glassfish.loadbalancer.admin.cli.reader.api.ClusterReader;
import org.glassfish.loadbalancer.admin.cli.reader.api.InstanceReader;
import org.glassfish.loadbalancer.admin.cli.reader.api.LoadbalancerReader;
import org.glassfish.loadbalancer.admin.cli.reader.api.WebModuleReader;
import org.glassfish.loadbalancer.admin.cli.reader.impl.LoadbalancerReaderImpl;
import org.glassfish.loadbalancer.admin.cli.transform.LoadbalancerVisitor;
import org.glassfish.loadbalancer.config.LbConfig;
import org.glassfish.loadbalancer.config.LbConfigs;
import org.glassfish.loadbalancer.config.LoadBalancer;
import org.glassfish.loadbalancer.config.LoadBalancers;
import java.io.OutputStream;
import java.util.Date;
import java.util.Properties;
import java.util.StringTokenizer;
/**
* Export support class
*
* @author Kshitiz Saxena
*/
public class LbConfigHelper {
/**
* exports the loadbalancer.xml from the config to the outputstream provided
* @param ctx ConfigContext
* @param lbConfigName name of lb-config
* @param out OutputStream into which the loadbalancer.xml is written
*/
public static LoadbalancerReader getLbReader(Domain domain, ApplicationRegistry appRegistry,
String lbConfigName) throws Exception {
// reads the load balancer related data
LbConfigs lbConfigs = domain.getExtensionByType(LbConfigs.class);
if (lbConfigs == null) {
throw new Exception(LbLogUtil.getStringManager().getString("UnableToGetLbConfig", lbConfigName));
}
LbConfig lbConfig = lbConfigs.getLbConfig(lbConfigName);
if (lbConfig == null) {
throw new Exception(LbLogUtil.getStringManager().getString("UnableToGetLbConfig", lbConfigName));
}
return new LoadbalancerReaderImpl(domain, appRegistry, lbConfig);
}
public static LoadBalancer getLoadBalancer(Domain domain, String lbName) throws Exception {
LoadBalancers loadBalancers = domain.getExtensionByType(LoadBalancers.class);
if (loadBalancers == null) {
throw new Exception(LbLogUtil.getStringManager().getString("UnableToGetLoadbalancer", lbName));
}
LoadBalancer loadBalancer = loadBalancers.getLoadBalancer(lbName);
if (loadBalancer == null) {
throw new Exception(LbLogUtil.getStringManager().getString("UnableToGetLoadbalancer", lbName));
}
return loadBalancer;
}
/**
* exports the loadbalancer.xml from the config to the outputstream provided
* @param ctx ConfigContext
* @param lbConfigName name of lb-config
* @param out OutputStream into which the loadbalancer.xml is written
*/
public static void exportXml(LoadbalancerReader lbRdr, OutputStream out)
throws Exception {
// tranform the data using visitor pattern
Loadbalancer _lb = new Loadbalancer();
LoadbalancerVisitor lbVstr = new LoadbalancerVisitor(_lb);
lbRdr.accept(lbVstr);
try {
String footer = LbLogUtil.getStringManager().getString("GeneratedFileFooter",
new Date().toString());
// write the header
_lb.graphManager().setDoctype(PUBLICID, SYSTEMID);
_lb.write(out);
out.write(footer.getBytes());
} finally {
if (out != null) {
out.close();
out = null;
}
}
}
/**
* exports the workser.properties from the config to the outputstream provided
* @param ctx ConfigContext
* @param lbConfigName name of lb-config
* @param out OutputStream into which the loadbalancer.xml is written
*/
public static void exportWorkerProperties(LoadbalancerReader lbRdr, OutputStream out)
throws Exception {
// tranform the data using visitor pattern
Loadbalancer _lb = new Loadbalancer();
Properties props = new Properties();
String WORKER = "worker";
String SEPARATOR = ".";
String HOST = "host";
String PORT = "port";
String LIST = "list";
String TYPE = "type";
String TYPE_VALUE = "ajp13";
String LBFACTOR = "lbfactor";
String LBFACTOR_VALUE = "1";
String SOCKET_KEEPALIVE = "socket_keepalive";
String SOCKET_TIMEOUT = "socket_timeout";
String SOCKET_KEEPALIVE_VALUE = "1";
String SOCKET_TIMEOUT_VALUE = "300";
String LOADBALANCER = "-lb";
String BALANCER_WORKERS = "balance_workers";
String LB = "lb";
String CONTEXT_ROOT_MAPPING="CONTEXT_ROOT_MAPPING";
String APP="APP";
StringBuilder buffer = new StringBuilder();
String workerList = "";
LoadbalancerVisitor lbVstr = new LoadbalancerVisitor(_lb);
lbRdr.accept(lbVstr);
ClusterReader clusterReaders[] = lbRdr.getClusters();
int c;
buffer.append("worker.properties");
for(int i=0;i 0 ? "," : "").append(listenerHost).append(":").append(listenerPort);
}
props.setProperty(CLUSTER+SEPARATOR+clusterName+SEPARATOR+LISTENER,clusterHostList.toString());
for (int m=0; m 0 ? "," : "") + webmoduleReaders[m].getContextRoot();
}
props.setProperty(CLUSTER+SEPARATOR+clusterName+SEPARATOR+WEB,clusterWebList);
}
try {
props.store(out,buffer.toString());
} finally {
if (out != null) {
out.close();
out = null;
}
}
}
private static final String PUBLICID =
"-//Sun Microsystems Inc.//DTD Sun Java System Application Server 9.1//EN";
private static final String SYSTEMID = "glassfish-loadbalancer_1_3.dtd";
}