/*
* This file is part of DRBD Management Console by LINBIT HA-Solutions GmbH
* written by Rasto Levrinc.
*
* Copyright (C) 2009-2010, LINBIT HA-Solutions GmbH.
* Copyright (C) 2009-2010, Rasto Levrinc
*
* DRBD Management Console is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as published
* by the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* DRBD Management Console is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with drbd; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*/
package lcmc.crm.ui.resource;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.CountDownLatch;
import javax.inject.Inject;
import javax.inject.Named;
import javax.swing.BoxLayout;
import javax.swing.ImageIcon;
import javax.swing.JComponent;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.SpringLayout;
import javax.swing.event.DocumentEvent;
import javax.swing.event.DocumentListener;
import javax.swing.text.Document;
import lcmc.common.ui.SpringUtilities;
import lcmc.common.ui.Browser;
import lcmc.cluster.ui.ClusterBrowser;
import lcmc.common.ui.utils.SwingUtils;
import lcmc.crm.ui.CrmGraph;
import lcmc.host.ui.HostBrowser;
import lcmc.cluster.ui.widget.WidgetFactory;
import lcmc.common.domain.AccessMode;
import lcmc.common.domain.Application;
import lcmc.cluster.domain.Cluster;
import lcmc.common.domain.ColorText;
import lcmc.host.domain.Host;
import lcmc.crm.domain.ClusterStatus;
import lcmc.crm.domain.PtestData;
import lcmc.common.ui.Info;
import lcmc.common.ui.utils.ButtonCallback;
import lcmc.crm.service.CRM;
import lcmc.common.ui.utils.ComponentWithTest;
import lcmc.common.domain.ExecCallback;
import lcmc.logger.Logger;
import lcmc.logger.LoggerFactory;
import lcmc.common.ui.utils.MyButton;
import lcmc.common.domain.util.Tools;
import lcmc.common.ui.utils.UpdatableItem;
import lcmc.cluster.service.ssh.ExecCommandConfig;
import lcmc.cluster.service.ssh.Ssh;
/**
* This class holds info data for a host.
* It shows host view, just like in the host tab.
*/
@Named
public class HostInfo extends Info {
private static final Logger LOG = LoggerFactory.getLogger(HostInfo.class);
static final ImageIcon HOST_STANDBY_ICON = Tools.createImageIcon(Tools.getDefault("CRMGraph.HostStandbyIcon"));
static final ImageIcon HOST_STANDBY_OFF_ICON =
Tools.createImageIcon(Tools.getDefault("CRMGraph.HostStandbyOffIcon"));
static final ImageIcon HOST_STOP_COMM_LAYER_ICON =
Tools.createImageIcon(Tools.getDefault("CRMGraph.HostStopCommLayerIcon"));
static final ImageIcon HOST_START_COMM_LAYER_ICON =
Tools.createImageIcon(Tools.getDefault("CRMGraph.HostStartCommLayerIcon"));
private static final ColorText OFFLINE_COLOR_TEXT = new ColorText("offline", null, Color.BLUE);
private static final ColorText PENDING_COLOR_TEXT = new ColorText("pending", null, Color.BLUE);
private static final ColorText FENCED_COLOR_TEXT = new ColorText("fencing...", null, Color.RED);
private static final ColorText CORO_STOPPED_COLOR_TEXT = new ColorText("stopped", null, Color.RED);
private static final ColorText PCMK_STOPPED_COLOR_TEXT = new ColorText("pcmk stopped", null, Color.RED);
private static final ColorText UNKNOWN_COLOR_TEXT = new ColorText("wait...", null, Color.BLUE);
private static final ColorText ONLINE_COLOR_TEXT = new ColorText("online", null, Color.BLUE);
private static final ColorText STANDBY_COLOR_TEXT = new ColorText("STANDBY", null, Color.RED);
private static final ColorText STOPPING_COLOR_TEXT = new ColorText("stopping...", null, Color.RED);
private static final ColorText STARTING_COLOR_TEXT = new ColorText("starting...", null, Color.BLUE);
static final String NO_PCMK_STATUS_STRING = "cluster status is not available";
private Host host;
private volatile boolean crmInfoShowing = false;
private volatile boolean crmShowInProgress = true;
@Inject
private HostMenu hostMenu;
@Inject
private Application application;
@Inject
private SwingUtils swingUtils;
@Inject
private WidgetFactory widgetFactory;
public void init(final Host host, final Browser browser) {
super.init(host.getName(), browser);
this.host = host;
}
@Override
public HostBrowser getBrowser() {
return (HostBrowser) super.getBrowser();
}
@Override
public ImageIcon getMenuIcon(final Application.RunMode runMode) {
final Cluster cl = host.getCluster();
if (cl != null) {
return HostBrowser.HOST_IN_CLUSTER_ICON_RIGHT_SMALL;
}
return HostBrowser.HOST_ICON;
}
@Override
public String getId() {
return host.getName();
}
@Override
public ImageIcon getCategoryIcon(final Application.RunMode runMode) {
return HostBrowser.HOST_ICON;
}
@Override
public String getToolTipForGraph(final Application.RunMode runMode) {
return getBrowser().getHostToolTip(host);
}
@Override
public JComponent getInfoPanel() {
if (getBrowser().getClusterBrowser() == null) {
return new JPanel();
}
final Font f = new Font("Monospaced", Font.PLAIN, application.scaled(12));
crmShowInProgress = true;
final JTextArea ta = new JTextArea(Tools.getString("HostInfo.crmShellLoading"));
ta.setEditable(false);
ta.setFont(f);
final MyButton crmConfigureCommitButton =
widgetFactory.createButton(Tools.getString("HostInfo.crmShellCommitButton"), Browser.APPLY_ICON);
registerComponentEnableAccessMode(crmConfigureCommitButton,
new AccessMode(AccessMode.ADMIN, AccessMode.NORMAL));
final MyButton hostInfoButton = widgetFactory.createButton(Tools.getString("HostInfo.crmShellStatusButton"));
application.makeMiniButton(hostInfoButton);
final MyButton crmConfigureShowButton =
widgetFactory.createButton(Tools.getString("HostInfo.crmShellShowButton"));
application.makeMiniButton(crmConfigureShowButton);
crmConfigureCommitButton.setEnabled(false);
final ExecCallback execCallback =
new ExecCallback() {
@Override
public void done(final String answer) {
ta.setText(answer);
swingUtils.invokeLater(new Runnable() {
@Override
public void run() {
crmConfigureShowButton.setEnabled(true);
hostInfoButton.setEnabled(true);
crmShowInProgress = false;
}
});
}
@Override
public void doneError(final String answer, final int errorCode) {
ta.setText(answer);
LOG.sshError(host, "", answer, "", errorCode);
swingUtils.invokeLater(new Runnable() {
@Override
public void run() {
crmConfigureCommitButton.setEnabled(false);
}
});
}
};
hostInfoButton.addActionListener(new ActionListener() {
@Override
public void actionPerformed(final ActionEvent e) {
registerComponentEditAccessMode(ta, new AccessMode(AccessMode.GOD, AccessMode.NORMAL));
crmInfoShowing = true;
hostInfoButton.setEnabled(false);
crmConfigureCommitButton.setEnabled(false);
String command = "HostBrowser.getHostInfo";
if (!host.getHostParser().hasCorosyncInitScript()) {
command = "HostBrowser.getHostInfoHeartbeat";
}
host.execCommand(new ExecCommandConfig().commandString(command)
.execCallback(execCallback)
.silentCommand()
.silentOutput()
.sshCommandTimeout(Ssh.DEFAULT_COMMAND_TIMEOUT));
}
});
host.registerEnableOnConnect(hostInfoButton);
crmConfigureShowButton.addActionListener(new ActionListener() {
@Override
public void actionPerformed(final ActionEvent e) {
registerComponentEditAccessMode(ta, new AccessMode(AccessMode.ADMIN, AccessMode.NORMAL));
updateAdvancedPanels();
crmShowInProgress = true;
crmInfoShowing = false;
crmConfigureShowButton.setEnabled(false);
crmConfigureCommitButton.setEnabled(false);
host.execCommand(new ExecCommandConfig().commandString("HostBrowser.getCrmConfigureShow")
.execCallback(execCallback)
.sshCommandTimeout(Ssh.DEFAULT_COMMAND_TIMEOUT));
}
});
final CrmGraph crmg = getBrowser().getClusterBrowser().getCrmGraph();
final Document taDocument = ta.getDocument();
taDocument.addDocumentListener(new DocumentListener() {
private void update() {
if (!crmShowInProgress && !crmInfoShowing) {
crmConfigureCommitButton.setEnabled(true);
}
}
@Override
public void changedUpdate(final DocumentEvent e) {
update();
}
@Override
public void insertUpdate(final DocumentEvent e) {
update();
}
@Override
public void removeUpdate(final DocumentEvent e) {
update();
}
});
final ButtonCallback buttonCallback = new ButtonCallback() {
private volatile boolean mouseStillOver = false;
@Override
public boolean isEnabled() {
return !Tools.versionBeforePacemaker(host);
}
@Override
public void mouseOut(final ComponentWithTest component) {
if (!isEnabled()) {
return;
}
mouseStillOver = false;
crmg.stopTestAnimation((JComponent) component);
component.setToolTipText("");
}
@Override
public void mouseOver(final ComponentWithTest component) {
if (!isEnabled()) {
return;
}
mouseStillOver = true;
component.setToolTipText(ClusterBrowser.STARTING_PTEST_TOOLTIP);
component.setToolTipBackground(Tools.getDefaultColor("ClusterBrowser.Test.Tooltip.Background"));
Tools.sleep(250);
if (!mouseStillOver) {
return;
}
mouseStillOver = false;
final CountDownLatch startTestLatch = new CountDownLatch(1);
crmg.startTestAnimation((JComponent) component, startTestLatch);
final Host dcHost = getBrowser().getClusterBrowser().getDCHost();
getBrowser().getClusterBrowser().ptestLockAcquire();
try {
final ClusterStatus clStatus = getBrowser().getClusterBrowser().getClusterStatus();
clStatus.setPtestResult(null);
CRM.crmConfigureCommit(host, ta.getText(), Application.RunMode.TEST);
final PtestData ptestData = new PtestData(CRM.getPtest(dcHost));
component.setToolTipText(ptestData.getToolTip());
clStatus.setPtestResult(ptestData);
} finally {
getBrowser().getClusterBrowser().ptestLockRelease();
}
startTestLatch.countDown();
}
};
addMouseOverListener(crmConfigureCommitButton, buttonCallback);
crmConfigureCommitButton.addActionListener(new ActionListener() {
@Override
public void actionPerformed(final ActionEvent e) {
crmConfigureCommitButton.setEnabled(false);
final Thread thread = new Thread(
new Runnable() {
@Override
public void run() {
getBrowser().getClusterBrowser().clStatusLock();
try {
CRM.crmConfigureCommit(host, ta.getText(), Application.RunMode.LIVE);
} finally {
getBrowser().getClusterBrowser().clStatusUnlock();
}
}
}
);
thread.start();
}
});
final JPanel mainPanel = new JPanel();
mainPanel.setBackground(HostBrowser.PANEL_BACKGROUND);
mainPanel.setLayout(new BoxLayout(mainPanel, BoxLayout.PAGE_AXIS));
final JPanel buttonPanel = new JPanel(new BorderLayout());
buttonPanel.setBackground(HostBrowser.BUTTON_PANEL_BACKGROUND);
buttonPanel.setMinimumSize(new Dimension(0, 50));
buttonPanel.setPreferredSize(new Dimension(0, 50));
buttonPanel.setMaximumSize(new Dimension(Short.MAX_VALUE, 50));
mainPanel.add(buttonPanel);
/* Actions */
buttonPanel.add(getActionsButton(), BorderLayout.LINE_END);
final JPanel p = new JPanel(new SpringLayout());
p.setBackground(HostBrowser.BUTTON_PANEL_BACKGROUND);
p.add(hostInfoButton);
p.add(crmConfigureShowButton);
p.add(crmConfigureCommitButton);
p.add(new JLabel(""));
SpringUtilities.makeCompactGrid(p, 1, 3, // rows, cols
1, 1, // initX, initY
1, 1); // xPad, yPad
mainPanel.setMinimumSize(new Dimension(application.getDefaultSize("HostBrowser.ResourceInfoArea.Width"),
application.getDefaultSize("HostBrowser.ResourceInfoArea.Height")));
mainPanel.setPreferredSize(new Dimension(application.getDefaultSize("HostBrowser.ResourceInfoArea.Width"),
application.getDefaultSize("HostBrowser.ResourceInfoArea.Height")));
buttonPanel.add(p);
mainPanel.add(new JLabel(Tools.getString("HostInfo.crmShellInfo")));
mainPanel.add(new JScrollPane(ta));
String command = "HostBrowser.getHostInfo";
if (!host.getHostParser().hasCorosyncInitScript()) {
command = "HostBrowser.getHostInfoHeartbeat";
}
host.execCommand(new ExecCommandConfig().commandString(command)
.execCallback(execCallback)
.silentCommand()
.silentOutput()
.sshCommandTimeout(Ssh.DEFAULT_COMMAND_TIMEOUT));
return mainPanel;
}
public Host getHost() {
return host;
}
@Override
public String toString() {
return host.getName();
}
@Override
public String getName() {
return host.getName();
}
@Override
public List<UpdatableItem> createPopup() {
return hostMenu.getPulldownMenu(this);
}
@Override
public JPanel getGraphicalView() {
final ClusterBrowser b = getBrowser().getClusterBrowser();
if (b == null) {
return null;
}
return b.getServicesInfo().getGraphicalView();
}
/** Returns how much of this is used. */
public int getUsed() {
// TODO: maybe the load?
return -1;
}
public ColorText[] getSubtextsForGraph(final Application.RunMode runMode) {
final List<ColorText> texts = new ArrayList<ColorText>();
if (getHost().isConnected()) {
if (!getHost().isCrmStatusOk()) {
texts.add(new ColorText("waiting for Pacemaker...", null, Color.BLACK));
}
} else {
texts.add(new ColorText("connecting...", null, Color.BLACK));
}
return texts.toArray(new ColorText[texts.size()]);
}
public String getIconTextForGraph(final Application.RunMode runMode) {
if (!getHost().isConnected()) {
return Tools.getString("HostBrowser.Hb.NoInfoAvailable");
}
return null;
}
public boolean isStandby(final Application.RunMode runMode) {
final ClusterBrowser b = getBrowser().getClusterBrowser();
return b != null && b.isStandby(host, runMode);
}
ClusterStatus getClusterStatus() {
final ClusterBrowser b = getBrowser().getClusterBrowser();
if (b == null) {
return null;
}
return b.getClusterStatus();
}
public ColorText getRightCornerTextForGraph(final Application.RunMode runMode) {
if (getHost().getHostParser().isCommLayerStopping()) {
return STOPPING_COLOR_TEXT;
} else if (getHost().getHostParser().isCommLayerStarting()) {
return STARTING_COLOR_TEXT;
} else if (getHost().getHostParser().isPacemakerStarting()) {
return STARTING_COLOR_TEXT;
}
final ClusterStatus cs = getClusterStatus();
if (cs != null && cs.isFencedNode(host.getName())) {
return FENCED_COLOR_TEXT;
} else if (getHost().isCrmStatusOk()) {
if (isStandby(runMode)) {
return STANDBY_COLOR_TEXT;
} else {
return ONLINE_COLOR_TEXT;
}
} else if (getHost().isConnected()) {
final Boolean running = getHost().getHostParser().getCorosyncOrHeartbeatRunning();
if (running == null) {
return UNKNOWN_COLOR_TEXT;
} else if (!running) {
return CORO_STOPPED_COLOR_TEXT;
}
if (cs != null && cs.isPendingNode(host.getName())) {
return PENDING_COLOR_TEXT;
} else if (!getHost().getHostParser().isPacemakerRunning()) {
return PCMK_STOPPED_COLOR_TEXT;
} else if (cs != null && "no".equals(cs.isOnlineNode(host.getName()))) {
return OFFLINE_COLOR_TEXT;
} else {
return UNKNOWN_COLOR_TEXT;
}
}
return null;
}
@Override
public String getValueForConfig() {
return host.getName();
}
}