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package org.glassfish.admin.rest.resources;
import org.glassfish.admin.rest.utils.ProxyImpl;
import org.jvnet.hk2.component.Habitat;
import javax.ws.rs.core.UriBuilder;
import javax.ws.rs.core.UriInfo;
import javax.ws.rs.core.Context;
import java.net.URL;
import java.util.Properties;
import java.util.TreeMap;
import javax.ws.rs.Consumes;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import javax.ws.rs.GET;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.PathParam;
import com.sun.enterprise.config.serverbeans.Domain;
import com.sun.enterprise.config.serverbeans.Server;
import com.sun.jersey.api.client.Client;
import org.glassfish.admin.rest.results.ActionReportResult;
import org.glassfish.admin.rest.utils.xml.RestActionReporter;
import org.glassfish.external.statistics.Statistic;
import org.glassfish.external.statistics.Stats;
import org.glassfish.flashlight.datatree.TreeNode;
import org.glassfish.flashlight.MonitoringRuntimeDataRegistry;
import static org.glassfish.admin.rest.provider.ProviderUtil.*;
/**
* @author rajeshwar patil
*/
//@Path("monitoring{path:.*}")
@Path("domain{path:.*}")
@Produces({"text/html;qs=2",MediaType.APPLICATION_JSON,MediaType.APPLICATION_XML, MediaType.APPLICATION_FORM_URLENCODED})
@Consumes({MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML, MediaType.APPLICATION_FORM_URLENCODED})
public class MonitoringResource {
@PathParam("path")
String path;
@Context
protected UriInfo uriInfo;
@Context
protected Habitat habitat;
@Context
protected Client client;
@GET
@Produces({MediaType.APPLICATION_JSON,MediaType.APPLICATION_XML,"text/html;qs=2"})
public ActionReportResult getChildNodes() {
List list = new ArrayList();
RestActionReporter ar = new RestActionReporter();
ar.setActionDescription("Monitoring Data");
ar.setMessage("");
ar.setSuccess();
// ar.getExtraProperties().put("jmxServiceUrls", jmxUrls);
ActionReportResult result = new ActionReportResult(ar);
MonitoringRuntimeDataRegistry monitoringRegistry =habitat.getComponent(MonitoringRuntimeDataRegistry.class);
if (path == null) {
//FIXME - Return appropriate message to the user
//return Response.status(400).entity("match pattern is invalid or null").build();
return result;
}
if (monitoringRegistry == null) {
//FIXME - Return appropriate message to the user
//return Response.status(404).entity("monitoring facility not installed").build();
return result;
}
String currentInstanceName = System.getProperty("com.sun.aas.instanceName");
if ((path.equals("")) || (path.equals("/"))) {
//Return the sub-resource list of root nodes
TreeNode serverNode = monitoringRegistry.get(currentInstanceName);
if (serverNode != null) {
//check to make sure we do not display empty server resource
// - http://host:port/monitoring/domain/server
//When you turn monitoring levels HIGH and then turn them OFF,
//you may see empty server resource. This is because server tree
//node has children (disabled) even when all the monitoring
//levels are turned OFF.
//Issue: 9921
if (!serverNode.getEnabledChildNodes().isEmpty()) {
list.add(serverNode);
constructEntity(list, ar);
Domain domain = habitat.getComponent(Domain.class);
Map links = (Map) ar.getExtraProperties().get("childResources");
for (Server s : domain.getServers().getServer()) {
if (!s.getName().equals("server")) {// add all non 'server' instances
links.put(s.getName(), getElementLink(uriInfo, s.getName()));
}
}
}
return result;
} else {
//No root node available, so nothing to list
//FIXME - Return appropriate message to the user
///return Response.status(404).entity("No monitoring data. Please check monitoring levels are configured").build();
return result;
}
}
//ignore the starting slash
if (path.startsWith("/")) {
path = path.substring(1);
}
if(!path.startsWith(currentInstanceName)) {
//TODO need to make sure we are actually running on DAS else do not try to forward.
// forward the request to instance
Properties proxiedResponse = new MonitoringProxyImpl().proxyRequest(uriInfo, client, habitat);
ar.setExtraProperties(proxiedResponse);
return result;
}
//replace all . with \. Monitoring code expects a '.' to be escaped to distinguish from normal field seperator
path = path.replaceAll("\\.", "\\\\.");
String dottedName = path.replace('/', '.');
String root;
int index = dottedName.indexOf('.');
if (index != -1) {
root = dottedName.substring(0, index);
dottedName = dottedName.substring(index + 1 );
} else {
root = dottedName;
dottedName = "";
}
TreeNode rootNode = monitoringRegistry.get(root);
if (rootNode == null) {
//No monitoring data, so nothing to list
//FIXME - Return appropriate message to the user
///return Response.status(404).entity("No monitoring data. Please check monitoring levels are configured").build();
return result;
}
TreeNode currentNode;
if (dottedName.length() > 0) {
currentNode = rootNode.getNode(dottedName);
} else {
currentNode = rootNode;
}
if (currentNode == null) {
//No monitoring data, so nothing to list
return result;
///return Response.status(404).entity("Monitoring object not found").build();
}
if (currentNode.hasChildNodes()) {
//print(currentNode.getChildNodes());
//TreeNode.getChildNodes() is returning disabled nodes too.
//Switching to new api TreeNode.getEnabledChildNodes() which returns
//only the enabled nodes. Reference Issue: 9921
list.addAll(currentNode.getEnabledChildNodes());
} else {
Object r = currentNode.getValue();
System.out.println("result: " + r);
list.add(currentNode);
}
constructEntity(list, ar);
return result;
}
private void constructEntity(List nodeList, RestActionReporter ar) {
Map map = new TreeMap();
for (TreeNode node : nodeList) {
//process only the leaf nodes, if any
if (!node.hasChildNodes()) {
//getValue() on leaf node will return one of the following -
//Statistic object, String object or the object for primitive type
Object value = node.getValue();
if (value == null) {
return;
}
try {
if (value instanceof Statistic) {
Statistic statisticObject = (Statistic) value;
Map data = getStatistic(statisticObject);
map.put(node.getName(), data);
} else if (value instanceof Stats) {
Map subMap = new TreeMap();
for (Statistic statistic : ((Stats) value).getStatistics()) {
Map data2 = getStatistic(statistic);
subMap.put(statistic.getName(), data2);
}
map.put(node.getName(), subMap);
} else {
map.put(node.getName(), jsonValue(value));
}
} catch (Exception exception) {
//log exception message as warning
}
}
}
ar.getExtraProperties().put("entity", map);
Map links = new TreeMap();
for (TreeNode node : nodeList) {
//process only the non-leaf nodes, if any
if (node.hasChildNodes()) {
String name = node.getName();
// Grizzly will barf if it sees backslash
name = name.replace("\\.", ".");
links.put(name, getElementLink(uriInfo, name));
}
}
ar.getExtraProperties().put("childResources", links);
}
private static class MonitoringProxyImpl extends ProxyImpl {
@Override
public UriBuilder constructTargetURLPath(UriInfo sourceUriInfo, URL responseURLReceivedFromTarget) {
return sourceUriInfo.getBaseUriBuilder().replacePath(responseURLReceivedFromTarget.getFile());
}
@Override
public UriBuilder constructForwardURLPath(UriInfo sourceUriInfo) {
//forward to URL that has same path as source request.
return sourceUriInfo.getAbsolutePathBuilder();
}
@Override
public String extractTargetInstanceName(UriInfo uriInfo) {
return uriInfo.getPathSegments().get(1).getPath(); //pathSegment[0] == "monitoring"
}
}
}
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