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package org.glassfish.loadbalancer.admin.cli;
import com.sun.enterprise.config.serverbeans.Cluster;
import com.sun.enterprise.config.serverbeans.Server;
import java.util.logging.Logger;
import java.util.List;
import org.glassfish.hk2.api.PerLookup;
import org.glassfish.internal.api.Target;
import org.jvnet.hk2.annotations.Service;
import org.jvnet.hk2.component.*;
import org.jvnet.hk2.config.*;
import org.glassfish.api.Param;
import org.glassfish.api.ActionReport;
import com.sun.enterprise.util.LocalStringManagerImpl;
import com.sun.enterprise.config.serverbeans.ServerRef;
import org.glassfish.loadbalancer.config.LbConfigs;
import org.glassfish.loadbalancer.config.LbConfig;
import org.glassfish.api.admin.*;
import org.glassfish.config.support.TargetType;
import org.glassfish.config.support.CommandTarget;
import jakarta.inject.Inject;
/**
* This is a remote command that enables lb-enabled attribute of
* server-ref
* @author Yamini K B
*/
@Service(name = "disable-http-lb-server")
@PerLookup
@TargetType(value={CommandTarget.STANDALONE_INSTANCE, CommandTarget.CLUSTER, CommandTarget.CLUSTERED_INSTANCE})
@org.glassfish.api.admin.ExecuteOn(RuntimeType.DAS)
@RestEndpoints({
@RestEndpoint(configBean=Cluster.class,
opType=RestEndpoint.OpType.POST,
path="disable-http-lb-server",
description="disable-http-lb-server",
params={
@RestParam(name="id", value="$parent")
}),
@RestEndpoint(configBean=Server.class,
opType=RestEndpoint.OpType.POST,
path="disable-http-lb-server",
description="disable-http-lb-server",
params={
@RestParam(name="id", value="$parent")
})
})
public final class DisableHTTPLBServerCommand extends LBCommandsBase
implements AdminCommand {
@Param(primary=true)
String target;
@Param(optional=true, defaultValue="30")
String timeout;
@Inject
Target tgt;
final private static LocalStringManagerImpl localStrings =
new LocalStringManagerImpl(DisableHTTPLBServerCommand.class);
@Override
public void execute(AdminCommandContext context) {
ActionReport report = context.getActionReport();
Logger logger = context.getLogger();
report.setActionExitCode(ActionReport.ExitCode.SUCCESS);
LbConfigs lbconfigs = domain.getExtensionByType(LbConfigs.class);
if (lbconfigs == null) {
String msg = localStrings.getLocalString("NoLbConfigsElement",
"Empty lb-configs");
report.setActionExitCode(ActionReport.ExitCode.FAILURE);
report.setMessage(msg);
return;
}
int t = Integer.parseInt(timeout);
if (t < 0) {
String msg = localStrings.getLocalString("InvalidTimeout", "Invalid timeout {0}",
timeout);
report.setActionExitCode(ActionReport.ExitCode.FAILURE);
report.setMessage(msg);
return;
}
if (tgt.isCluster(target)) {
//disable all servers in cluster
updateLBForCluster(report, target, "false", timeout);
} else {
boolean foundTarget = false;
List lbConfigs = lbconfigs.getLbConfig();
for (LbConfig lc:lbConfigs) {
ServerRef sRef = lc.getRefByRef(ServerRef.class, target);
if (sRef == null) {
//log a warning and continue search
logger.warning(localStrings.getLocalString("InvalidInstance",
"Server {0} does not exist in {1}", target, lc.getName()));
} else {
int curTout = Integer.parseInt(sRef.getDisableTimeoutInMinutes());
boolean enabled = sRef.getLbEnabled().equals("true");
if ((enabled == false) && (curTout == t)) {
String msg = localStrings.getLocalString("ServerDisabled",
"Server [{0}] is already disabled.", sRef.getRef());
report.setMessage(msg);
return;
}
try {
updateLbEnabled(sRef, "false", timeout);
} catch (TransactionFailure ex) {
String msg = localStrings.getLocalString("FailedToUpdateAttr",
"Failed to update lb-enabled attribute for {0}", target);
report.setMessage(msg);
report.setActionExitCode(ActionReport.ExitCode.FAILURE);
report.setFailureCause(ex);
return;
}
foundTarget = true;
}
}
// did not find server target
if (!foundTarget) {
ServerRef sRef = getServerRefFromCluster(report, target);
if (sRef == null) {
String msg = localStrings.getLocalString("InvalidServer",
"Server {0} does not exist", target);
report.setActionExitCode(ActionReport.ExitCode.FAILURE);
report.setMessage(msg);
return;
} else {
int curTout = Integer.parseInt(sRef.getDisableTimeoutInMinutes());
boolean enabled = sRef.getLbEnabled().equals("true");
if ((enabled == false) && (curTout == t)) {
String msg = localStrings.getLocalString("ServerDisabled",
"Server [{0}] is already disabled.", sRef.getRef());
report.setActionExitCode(ActionReport.ExitCode.FAILURE);
report.setMessage(msg);
return;
}
try {
updateLbEnabled(sRef, "false", timeout);
} catch (TransactionFailure ex) {
String msg = localStrings.getLocalString("FailedToUpdateAttr",
"Failed to update lb-enabled attribute for {0}", target);
report.setMessage(msg);
report.setActionExitCode(ActionReport.ExitCode.FAILURE);
report.setFailureCause(ex);
return;
}
}
}
}
}
}
