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/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2016-2017 Payara Foundation and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://github.com/payara/Payara/blob/master/LICENSE.txt
* See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at glassfish/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* The Payara Foundation designates this particular file as subject to the "Classpath"
* exception as provided by the Payara Foundation in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
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* only the GPL Version 2, indicate your decision by adding "[Contributor]
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package fish.payara.nucleus.healthcheck.admin;
import com.sun.enterprise.util.ColumnFormatter;
import com.sun.enterprise.util.LocalStringManagerImpl;
import fish.payara.nucleus.healthcheck.configuration.HealthCheckServiceConfiguration;
import fish.payara.nucleus.healthcheck.preliminary.BaseHealthCheck;
import org.glassfish.api.ActionReport;
import org.glassfish.api.I18n;
import org.glassfish.api.admin.*;
import org.glassfish.config.support.CommandTarget;
import org.glassfish.config.support.TargetType;
import org.glassfish.hk2.api.PerLookup;
import org.glassfish.hk2.api.ServiceHandle;
import org.glassfish.hk2.api.ServiceLocator;
import org.jvnet.hk2.annotations.Service;
import javax.inject.Inject;
import java.util.List;
/**
* Admin command to list the names of all available health check services
*
* @author mertcaliskan
*/
@Service(name = "healthcheck-list-services")
@PerLookup
@CommandLock(CommandLock.LockType.NONE)
@I18n("healthcheck.list.services")
@ExecuteOn(RuntimeType.INSTANCE)
@TargetType(value = {CommandTarget.DAS, CommandTarget.STANDALONE_INSTANCE, CommandTarget.CLUSTER})
@RestEndpoints({
@RestEndpoint(configBean = HealthCheckServiceConfiguration.class,
opType = RestEndpoint.OpType.GET,
path = "healthcheck-list-services",
description = "Lists the names of all available health check services")
})
public class HealthCheckServiceLister implements AdminCommand {
final private static LocalStringManagerImpl strings = new LocalStringManagerImpl(HealthCheckServiceLister.class);
final static String serviceHeaders[] = {"Name", "Description"};
@Inject
ServiceLocator habitat;
@Override
public void execute(AdminCommandContext context) {
ColumnFormatter serviceListerColumnFormatter = new ColumnFormatter(serviceHeaders);
final ActionReport report = context.getActionReport();
List> allServiceHandles = habitat.getAllServiceHandles(BaseHealthCheck.class);
if (allServiceHandles.isEmpty()) {
report.appendMessage(strings.getLocalString("healthcheck.list.services.warning",
"No registered health check service found."));
report.setActionExitCode(ActionReport.ExitCode.WARNING);
} else {
StringBuffer sb = new StringBuffer();
sb.append(strings.getLocalString("healthcheck.list.services.availability.info",
"Available Health Check Services") + ":\n");
for (ServiceHandle serviceHandle : allServiceHandles) {
Object values[] = new Object[2];
values[0] = serviceHandle.getActiveDescriptor().getName();
values[1] = serviceHandle.getService().resolveDescription();
serviceListerColumnFormatter.addRow(values);
}
sb.append(serviceListerColumnFormatter.toString());
report.setMessage(sb.toString());
report.setActionExitCode(ActionReport.ExitCode.SUCCESS);
}
}
}