/*
* JBoss, Home of Professional Open Source
* Copyright 2011 Red Hat Inc. and/or its affiliates and other contributors
* as indicated by the @author tags. All rights reserved.
* See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License, v. 2.1.
* This program is distributed in the hope that it will be useful, but WITHOUT A
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public License,
* v.2.1 along with this distribution; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
package org.jboss.as.console.client.domain.topology;
import static org.jboss.as.console.client.domain.model.ServerFlag.RELOAD_REQUIRED;
import static org.jboss.as.console.client.domain.model.ServerFlag.RESTART_REQUIRED;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.SortedSet;
import java.util.TreeSet;
import com.google.gwt.event.logical.shared.CloseEvent;
import com.google.gwt.event.logical.shared.CloseHandler;
import com.google.gwt.user.client.Random;
import com.google.gwt.user.client.ui.PopupPanel;
import com.google.gwt.user.client.ui.TextArea;
import com.google.inject.Inject;
import com.google.web.bindery.event.shared.EventBus;
import com.gwtplatform.mvp.client.Presenter;
import com.gwtplatform.mvp.client.annotations.NameToken;
import com.gwtplatform.mvp.client.annotations.ProxyCodeSplit;
import com.gwtplatform.mvp.client.proxy.Place;
import com.gwtplatform.mvp.client.proxy.PlaceManager;
import com.gwtplatform.mvp.client.proxy.PlaceRequest;
import com.gwtplatform.mvp.client.proxy.Proxy;
import org.jboss.as.console.client.Console;
import org.jboss.as.console.client.core.Footer;
import org.jboss.as.console.client.core.NameTokens;
import org.jboss.as.console.client.core.SuspendableView;
import org.jboss.as.console.client.domain.model.HostInformationStore;
import org.jboss.as.console.client.domain.model.ServerGroupStore;
import org.jboss.as.console.client.domain.model.ServerInstance;
import org.jboss.as.console.client.domain.model.SimpleCallback;
import org.jboss.as.console.client.domain.model.impl.LifecycleOperation;
import org.jboss.as.console.client.shared.BeanFactory;
import org.jboss.as.console.client.shared.flow.FunctionContext;
import org.jboss.as.console.client.shared.runtime.ext.Extension;
import org.jboss.as.console.client.shared.runtime.ext.ExtensionManager;
import org.jboss.as.console.client.shared.runtime.ext.LoadExtensionCmd;
import org.jboss.as.console.client.shared.subsys.RevealStrategy;
import org.jboss.as.console.spi.AccessControl;
import org.jboss.ballroom.client.widgets.window.DefaultWindow;
import org.jboss.dmr.client.dispatch.DispatchAsync;
import org.jboss.gwt.flow.client.Async;
import org.jboss.gwt.flow.client.Outcome;
public class TopologyPresenter extends Presenter<TopologyPresenter.MyView, TopologyPresenter.MyProxy>
implements ExtensionManager {
/**
* We cannot expect a valid {@code {selected.server}} when the access control rules are evaluated by
* the security service (race condition). So do not use them in the annotations below!
*
* @author Harald Pehl
*/
@ProxyCodeSplit
@NameToken(NameTokens.Topology)
@AccessControl(resources = {
"/server-group={addressable.group}",
"/{selected.host}/server-config=*"
//"/{selected.host}/server=*", https://issues.jboss.org/browse/WFLY-1997
}, recursive = false)
public interface MyProxy extends Proxy<TopologyPresenter>, Place {}
public interface MyView extends SuspendableView {
void setPresenter(TopologyPresenter presenter);
void updateHosts(final SortedSet<ServerGroup> groups, final int hostIndex);
void setExtensions(List<Extension> extensions);
}
public static final int VISIBLE_HOSTS_COLUMNS = 3;
private final RevealStrategy revealStrategy;
private final PlaceManager placeManager;
private final ServerGroupStore serverGroupStore;
private final HostInformationStore hostInfoStore;
private final BeanFactory beanFactory;
private final DispatchAsync dispatcher;
private final Map<String, ServerGroup> serverGroups;
private LoadExtensionCmd loadExtensionCmd;
private boolean fake;
private int hostIndex;
@Inject
public TopologyPresenter(final EventBus eventBus, final MyView view,
final MyProxy proxy, final RevealStrategy revealStrategy, final PlaceManager placeManager,
final HostInformationStore hostInfoStore, final ServerGroupStore serverGroupStore,
final BeanFactory beanFactory, DispatchAsync dispatcher) {
super(eventBus, view, proxy);
this.revealStrategy = revealStrategy;
this.placeManager = placeManager;
this.serverGroupStore = serverGroupStore;
this.hostInfoStore = hostInfoStore;
this.beanFactory = beanFactory;
this.dispatcher = dispatcher;
this.loadExtensionCmd = new LoadExtensionCmd(dispatcher, beanFactory);
this.serverGroups = new HashMap<String, ServerGroup>();
this.fake = false;
this.hostIndex = 0;
}
@Override
protected void onBind() {
super.onBind();
getView().setPresenter(this);
}
@Override
protected void revealInParent() {
revealStrategy.revealInRuntimeParent(this);
}
@Override
protected void onReset() {
super.onReset();
loadTopology();
loadExtensions();
}
@Override
public void prepareFromRequest(final PlaceRequest request) {
super.prepareFromRequest(request);
fake = Boolean.valueOf(request.getParameter("fake", "false"));
hostIndex = Integer.parseInt(request.getParameter("hostIndex", "0"));
}
// ------------------------------------------------------ presenter lifecycle
public void loadTopology() {
if (fake) {
getView().updateHosts(deriveGroups(generateFakeDomain()), hostIndex);
} else {
Outcome<FunctionContext> outcome = new Outcome<FunctionContext>() {
@Override
public void onFailure(final FunctionContext context) {
Console.error("Unable to load topology", context.getErrorMessage()); // TODO i18n
}
@Override
public void onSuccess(final FunctionContext context) {
List<HostInfo> hosts = context.pop();
getView().updateHosts(deriveGroups(hosts), hostIndex);
}
};
new Async<FunctionContext>(Footer.PROGRESS_ELEMENT).waterfall(new FunctionContext(), outcome,
new TopologyFunctions.HostsAndGroups(dispatcher),
new TopologyFunctions.ServerConfigs(dispatcher, beanFactory),
new TopologyFunctions.RunningServerInstances(dispatcher));
}
}
public void requestHostIndex(int hostIndex) {
// TODO Use the in-memory model of the topology for paging
PlaceRequest.Builder builder = new PlaceRequest.Builder().nameToken(NameTokens.Topology)
.with("hostIndex", String.valueOf(hostIndex));
if (fake) {
builder.with("fake", "true");
}
placeManager.revealPlace(builder.build());
}
public void onServerInstanceLifecycle(final String host, final String server, final LifecycleOperation op) {
ServerInstanceOp serverInstanceOp = new ServerInstanceOp(op, new TopologyCallback(), dispatcher, hostInfoStore,
host, server);
serverInstanceOp.run();
}
public void onGroupLifecycle(final String group, final LifecycleOperation op) {
ServerGroup serverGroup = serverGroups.get(group);
if (serverGroup != null) {
ServerGroupOp serverGroupOp = new ServerGroupOp(op, new TopologyCallback(), dispatcher, serverGroupStore, group,
serverGroup.serversPerHost);
serverGroupOp.run();
}
}
// ------------------------------------------------------ public presenter API
/**
* Builds {@link ServerGroup} instances and populates the map {@link #serverGroups}
*/
private SortedSet<ServerGroup> deriveGroups(List<HostInfo> hosts) {
serverGroups.clear();
for (HostInfo host : hosts) {
List<ServerInstance> serverInstances = host.getServerInstances();
for (ServerInstance server : serverInstances) {
String group = server.getGroup();
String profile = server.getProfile();
ServerGroup serverGroup = serverGroups.get(group);
if (serverGroup == null) {
serverGroup = new ServerGroup(group, profile);
serverGroup.fill(hosts);
serverGroups.put(group, serverGroup);
}
}
}
return new TreeSet<ServerGroup>(serverGroups.values());
}
private List<HostInfo> generateFakeDomain() {
String[] hostNames = new String[]{"lightning", "eeak-a-mouse", "dirty-harry"};
String[] groupNames =
new String[]{"staging", "production", "messaging-back-server-test", "uat", "messaging", "backoffice",
"starlight"};
int numHosts = 13;
final List<HostInfo> hostInfos = new ArrayList<HostInfo>();
for (int i = 0; i < numHosts; i++) {
// host info
String name = hostNames[Random.nextInt(2)] + "-" + i;
boolean isController = (i < 1);
HostInfo host = new HostInfo(name, isController);
host.setServerInstances(new ArrayList<ServerInstance>());
// server instances
for (int x = 0; x < (Random.nextInt(5) + 1); x++) {
int groupIndex = Random.nextInt(groupNames.length - 1);
ServerInstance serverInstance = beanFactory.serverInstance().as();
serverInstance.setGroup(groupNames[groupIndex]);
serverInstance.setRunning((groupIndex % 2 == 0));
if (serverInstance.isRunning()) {
if (Random.nextBoolean()) {
serverInstance.setFlag(Random.nextBoolean() ? RESTART_REQUIRED : RELOAD_REQUIRED);
} else {
serverInstance.setFlag(null);
}
}
serverInstance.setName(groupNames[groupIndex] + "-" + x);
serverInstance.setSocketBindings(Collections.<String, String>emptyMap());
serverInstance.setInterfaces(Collections.<String, String>emptyMap());
host.getServerInstances().add(serverInstance);
}
hostInfos.add(host);
}
return hostInfos;
}
public void loadExtensions() {
loadExtensionCmd.execute(new SimpleCallback<List<Extension>>() {
@Override
public void onSuccess(List<Extension> extensions) {
getView().setExtensions(extensions);
}
});
}
public void onDumpVersions() {
loadExtensionCmd.dumpVersions(new SimpleCallback<String>() {
@Override
public void onSuccess(String s) {
showVersionInfo(s);
}
});
}
// ------------------------------------------------------ helper methods
private void showVersionInfo(String json) {
DefaultWindow window = new DefaultWindow("Management Model Versions");
window.setWidth(480);
window.setHeight(360);
window.addCloseHandler(new CloseHandler<PopupPanel>() {
@Override
public void onClose(CloseEvent<PopupPanel> event) {
}
});
TextArea textArea = new TextArea();
textArea.setStyleName("fill-layout");
textArea.setText(json);
window.setWidget(textArea);
window.setGlassEnabled(true);
window.center();
}
private class TopologyCallback implements LifecycleCallback {
@Override
public void onSuccess() {
Console.info("Operation successful");
loadTopology();
}
@Override
public void onTimeout() {
Console.warning("Your request timed out.");
loadTopology();
}
@Override
public void onAbort() {
Console.warning("Operation canceled.");
loadTopology();
}
@Override
public void onError(final Throwable caught) {
Console.warning("Operation failed.");
loadTopology();
}
}
}