/*
* This file is part of Linux Cluster Management Console by Rasto Levrinc.
*
* Copyright (C) 2012, Rasto Levrinc
*
* LCMC 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.vm.ui.resource;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import javax.inject.Inject;
import javax.inject.Named;
import javax.swing.ImageIcon;
import javax.swing.JComponent;
import javax.swing.JPanel;
import lcmc.common.domain.AccessMode;
import lcmc.common.domain.Application;
import lcmc.common.ui.treemenu.TreeMenuController;
import lcmc.common.ui.utils.SwingUtils;
import lcmc.host.domain.Host;
import lcmc.common.domain.StringValue;
import lcmc.vm.domain.VmsXml;
import lcmc.vm.domain.data.FilesystemData;
import lcmc.common.domain.Value;
import lcmc.common.ui.Browser;
import lcmc.drbd.ui.resource.BlockDevInfo;
import lcmc.cluster.ui.widget.Widget;
import lcmc.cluster.ui.widget.WidgetFactory;
import lcmc.common.ui.utils.MyButton;
import lcmc.common.domain.util.Tools;
import org.w3c.dom.Node;
/**
* This class holds info about Virtual filesystem.
*/
@Named
public final class FilesystemInfo extends HardwareInfo {
/** Parameters. */
private static final String[] PARAMETERS = {FilesystemData.TYPE,
FilesystemData.SOURCE_DIR,
FilesystemData.SOURCE_NAME,
FilesystemData.TARGET_DIR};
/** Whether the parameter is enabled only in advanced mode. */
private static final Collection<String> IS_ENABLED_ONLY_IN_ADVANCED =
new HashSet<String>(Arrays.asList(new String[]{}));
/** Whether the parameter is required. */
private static final Collection<String> IS_REQUIRED =
new HashSet<String>(Arrays.asList(new String[]{
FilesystemData.TYPE,
FilesystemData.TARGET_DIR}));
/** Field type. */
private static final Map<String, Widget.Type> FIELD_TYPES =
new HashMap<String, Widget.Type>();
/** Short name. */
private static final Map<String, String> SHORTNAME_MAP =
new HashMap<String, String>();
/** Preferred values. */
private static final Map<String, Value> PREFERRED_MAP =
new HashMap<String, Value>();
/** Possible values. */
private static final Map<String, Value[]> POSSIBLE_VALUES =
new HashMap<String, Value[]>();
/** Filesystem types. */
public static final Value MOUNT_TYPE = new StringValue("mount", "Mount");
/** Filesystem types. */
public static final Value TEMPLATE_TYPE =
new StringValue("template", "Template");
/** LXC source dir. */
private static final String LXC_SOURCE_DIR = "/var/lib/lxc";
static {
FIELD_TYPES.put(FilesystemData.TYPE, Widget.Type.RADIOGROUP);
FIELD_TYPES.put(FilesystemData.SOURCE_DIR, Widget.Type.COMBOBOX);
FIELD_TYPES.put(FilesystemData.SOURCE_NAME, Widget.Type.TEXTFIELD);
FIELD_TYPES.put(FilesystemData.TARGET_DIR, Widget.Type.COMBOBOX);
}
static {
SHORTNAME_MAP.put(FilesystemData.TYPE, "Type");
SHORTNAME_MAP.put(FilesystemData.SOURCE_DIR, "Source Dir");
SHORTNAME_MAP.put(FilesystemData.SOURCE_NAME, "Source Name");
SHORTNAME_MAP.put(FilesystemData.TARGET_DIR, "Target Dir");
}
static {
POSSIBLE_VALUES.put(FilesystemData.TYPE,
new Value[]{MOUNT_TYPE, TEMPLATE_TYPE});
POSSIBLE_VALUES.put(FilesystemData.TARGET_DIR, new Value[]{new StringValue("/")});
PREFERRED_MAP.put(FilesystemData.TYPE, new StringValue("mount"));
PREFERRED_MAP.put(FilesystemData.TARGET_DIR, new StringValue("/"));
}
@Inject
private Application application;
@Inject
private SwingUtils swingUtils;
@Inject
private WidgetFactory widgetFactory;
/** Source file combo box, so that it can be disabled, depending on type. */
private final Map<String, Widget> sourceDirWi =
new HashMap<String, Widget>();
/** Source block combo box, so that it can be disabled, depending on type.*/
private final Map<String, Widget> sourceNameWi =
new HashMap<String, Widget>();
/** Choices for source directories. */
private Value[] sourceDirs;
/** Table panel. */
private JComponent tablePanel = null;
@Inject
private TreeMenuController treeMenuController;
void init(final String name, final Browser browser, final DomainInfo domainInfo) {
super.init(name, browser, domainInfo);
final List<Host> hosts = getVMSVirtualDomainInfo().getDefinedOnHosts();
final Set<Value> sds = new LinkedHashSet<Value>();
sds.add(new StringValue());
for (final Host h : hosts) {
for (final String guiOps : h.getHostParser().getGuiOptions(Host.VM_FILESYSTEM_SOURCE_DIR_LXC)) {
sds.add(new StringValue(guiOps));
}
}
sourceDirs = sds.toArray(new Value[sds.size()]);
}
/** Adds fs table with only this fs to the main panel. */
@Override
protected void addHardwareTable(final JPanel mainPanel) {
tablePanel = getTablePanel("Filesystem",
DomainInfo.FILESYSTEM_TABLE,
getVMSVirtualDomainInfo().getNewFilesystemBtn());
if (getResource().isNew()) {
swingUtils.invokeLater(new Runnable() {
@Override
public void run() {
tablePanel.setVisible(false);
}
});
}
mainPanel.add(tablePanel);
}
/** Returns service icon in the menu. */
@Override
public ImageIcon getMenuIcon(final Application.RunMode runMode) {
return BlockDevInfo.HARDDISK_ICON;
}
/** Returns long description of the specified parameter. */
@Override
protected String getParamLongDesc(final String param) {
return getParamShortDesc(param);
}
/** Returns short description of the specified parameter. */
@Override
protected String getParamShortDesc(final String param) {
final String name = SHORTNAME_MAP.get(param);
if (name == null) {
return param;
}
return name;
}
/** Returns preferred value for specified parameter. */
@Override
protected Value getParamPreferred(final String param) {
return PREFERRED_MAP.get(param);
}
/** Returns default value for specified parameter. */
@Override
protected Value getParamDefault(final String param) {
return null;
}
/** Returns parameters. */
@Override
public String[] getParametersFromXML() {
return PARAMETERS.clone();
}
/** Returns real parameters. */
@Override
public String[] getRealParametersFromXML() {
return PARAMETERS.clone();
}
/** Returns possible choices for drop down lists. */
@Override
protected Value[] getParamPossibleChoices(final String param) {
if (FilesystemData.SOURCE_DIR.equals(param)) {
return sourceDirs;
}
return POSSIBLE_VALUES.get(param);
}
/** Returns section to which the specified parameter belongs. */
@Override
protected String getSection(final String param) {
return "Filesystem Options";
}
/** Returns true if the specified parameter is required. */
@Override
protected boolean isRequired(final String param) {
final Value type = getComboBoxValue(FilesystemData.TYPE);
if ((FilesystemData.SOURCE_DIR.equals(param)
&& MOUNT_TYPE.equals(type))
|| (FilesystemData.SOURCE_NAME.equals(param)
&& TEMPLATE_TYPE.equals(type))) {
return true;
}
return IS_REQUIRED.contains(param);
}
/** Returns true if the specified parameter is integer. */
@Override
protected boolean isInteger(final String param) {
return false;
}
/** Returns true if the specified parameter is label. */
@Override
protected boolean isLabel(final String param) {
return false;
}
/** Returns true if the specified parameter is of time type. */
@Override
protected boolean isTimeType(final String param) {
return false;
}
/** Returns whether parameter is checkbox. */
@Override
protected boolean isCheckBox(final String param) {
return false;
}
/** Returns the type of the parameter. */
@Override
protected String getParamType(final String param) {
return "undef"; // TODO:
}
/** Returns type of the field. */
@Override
protected Widget.Type getFieldType(final String param) {
return FIELD_TYPES.get(param);
}
/** Returns device parameters. */
@Override
protected Map<String, String> getHWParameters(final boolean allParams) {
swingUtils.invokeAndWait(new Runnable() {
@Override
public void run() {
getInfoPanel();
}
});
final String[] params = getRealParametersFromXML();
final Map<String, String> parameters = new HashMap<String, String>();
for (final String param : params) {
final Value value = getComboBoxValue(param);
if (allParams) {
if (Tools.areEqual(getParamDefault(param), value)) {
parameters.put(param, null);
} else {
parameters.put(param, value.getValueForConfig());
}
} else if (!Tools.areEqual(getParamSaved(param), value)) {
if (Tools.areEqual(getParamDefault(param), value)) {
parameters.put(param, null);
} else {
parameters.put(param, value.getValueForConfig());
}
}
}
parameters.put(FilesystemData.SAVED_TARGET_DIR, getName());
setName(getParamSavedForConfig(FilesystemData.TARGET_DIR));
return parameters;
}
/** Applies the changes. */
@Override
void apply(final Application.RunMode runMode) {
if (Application.isTest(runMode)) {
return;
}
swingUtils.invokeAndWait(new Runnable() {
@Override
public void run() {
getApplyButton().setEnabled(false);
getRevertButton().setEnabled(false);
getInfoPanel();
}
});
waitForInfoPanel();
final Map<String, String> parameters =
getHWParameters(getResource().isNew());
final String[] params = getRealParametersFromXML();
for (final Host h : getVMSVirtualDomainInfo().getDefinedOnHosts()) {
final VmsXml vmsXml = getBrowser().getVmsXml(h);
if (vmsXml != null) {
final String domainName =
getVMSVirtualDomainInfo().getDomainName();
final Node domainNode = vmsXml.getDomainNode(domainName);
modifyXML(vmsXml, domainNode, domainName, parameters);
final String virshOptions =
getVMSVirtualDomainInfo().getVirshOptions();
vmsXml.saveAndDefine(domainNode, domainName, virshOptions);
}
}
getResource().setNew(false);
treeMenuController.reloadNode(getNode(), false);
getBrowser().periodicalVmsUpdate(
getVMSVirtualDomainInfo().getDefinedOnHosts());
swingUtils.invokeLater(new Runnable() {
@Override
public void run() {
tablePanel.setVisible(true);
}
});
if (Application.isLive(runMode)) {
storeComboBoxValues(params);
}
checkResourceFields(null, params);
}
/** Modify device xml. */
@Override
protected void modifyXML(final VmsXml vmsXml,
final Node node,
final String domainName,
final Map<String, String> params) {
if (vmsXml != null) {
vmsXml.modifyFilesystemXML(node, domainName, params);
}
}
/** Returns data for the table. */
@Override
protected Object[][] getTableData(final String tableName) {
if (DomainInfo.HEADER_TABLE.equals(tableName)) {
return getVMSVirtualDomainInfo().getMainTableData();
} else if (DomainInfo.FILESYSTEM_TABLE.equals(tableName)) {
if (getResource().isNew()) {
return new Object[][]{};
}
return new Object[][]{
getVMSVirtualDomainInfo().getFilesystemDataRow(
getName(),
null,
getVMSVirtualDomainInfo().getFilesystems(),
true)};
}
return new Object[][]{};
}
/** Returns whether this parameter is advanced. */
@Override
protected boolean isAdvanced(final String param) {
return false;
}
/** Returns access type of this parameter. */
@Override
protected AccessMode.Type getAccessType(final String param) {
return AccessMode.ADMIN;
}
/** Returns true if the value of the parameter is ok. */
@Override
protected boolean checkParam(final String param, final Value newValue) {
if (FilesystemData.TYPE.equals(param)) {
swingUtils.invokeLater(new Runnable() {
@Override
public void run() {
for (final Map.Entry<String, Widget> entry : sourceDirWi.entrySet()) {
entry.getValue().setVisible(
MOUNT_TYPE.equals(newValue));
}
for (final Map.Entry<String, Widget> entry : sourceNameWi.entrySet()) {
entry.getValue().setVisible(
TEMPLATE_TYPE.equals(newValue));
}
}
});
}
return !isRequired(param)
|| (newValue != null && newValue.getValueForConfig() != null && !newValue.getValueForConfig().isEmpty());
}
/** Whether the parameter should be enabled. */
@Override
protected String isEnabled(final String param) {
return null;
}
/** Whether the parameter should be enabled only in advanced mode. */
@Override
protected AccessMode.Mode isEnabledOnlyInAdvancedMode(final String param) {
return IS_ENABLED_ONLY_IN_ADVANCED.contains(param) ? AccessMode.ADVANCED : AccessMode.NORMAL;
}
/** Updates parameters. */
@Override
void updateParameters() {
final Map<String, FilesystemData> filesystems =
getVMSVirtualDomainInfo().getFilesystems();
if (filesystems != null) {
final FilesystemData filesystemData = filesystems.get(getName());
if (filesystemData != null) {
for (final String param : getParametersFromXML()) {
final Value oldValue = getParamSaved(param);
Value value = getParamSaved(param);
final Widget wi = getWidget(param, null);
for (final Host h
: getVMSVirtualDomainInfo().getDefinedOnHosts()) {
final VmsXml vmsXml = getBrowser().getVmsXml(h);
if (vmsXml != null) {
final Value savedValue =
filesystemData.getValue(param);
if (savedValue != null) {
value = savedValue;
}
}
}
if (!Tools.areEqual(value, oldValue)) {
getResource().setValue(param, value);
if (wi != null) {
/* only if it is not changed by user. */
wi.setValue(value);
}
}
}
}
}
updateTable(DomainInfo.HEADER_TABLE);
updateTable(DomainInfo.FILESYSTEM_TABLE);
setApplyButtons(null, getRealParametersFromXML());
}
/** Removes this fs without confirmation dialog. */
@Override
protected void removeMyselfNoConfirm(final Application.RunMode runMode) {
final String virshOptions = getVMSVirtualDomainInfo().getVirshOptions();
for (final Host h : getVMSVirtualDomainInfo().getDefinedOnHosts()) {
final VmsXml vmsXml = getBrowser().getVmsXml(h);
if (vmsXml != null) {
final Map<String, String> parameters =
new HashMap<String, String>();
parameters.put(FilesystemData.SAVED_TARGET_DIR, getName());
vmsXml.removeFilesystemXML(
getVMSVirtualDomainInfo().getDomainName(),
parameters,
virshOptions);
}
}
getBrowser().periodicalVmsUpdate(
getVMSVirtualDomainInfo().getDefinedOnHosts());
treeMenuController.removeNode(getNode());
}
/** Returns string representation. */
@Override
public String toString() {
final StringBuilder s = new StringBuilder(30);
final String name = getName();
if (name == null) {
return "new FS...";
}
final Value saved;
final Value type = getComboBoxValue(FilesystemData.TYPE);
if (MOUNT_TYPE.equals(type)) {
saved = getParamSaved(FilesystemData.SOURCE_DIR);
} else {
saved = getParamSaved(FilesystemData.SOURCE_NAME);
}
if (saved == null) {
s.append("new...");
} else {
s.append(saved.getValueForConfig());
}
s.append(" -> ");
s.append(name);
return s.toString();
}
/**
* Returns whether this item is removeable (null), or string why it isn't.
*/
@Override
protected String isRemoveable() {
return null;
}
/** Returns combo box for parameter. */
@Override
protected Widget createWidget(final String param, final String prefix, final int width) {
if (FilesystemData.SOURCE_DIR.equals(param)) {
final Value sourceDir = getParamSaved(FilesystemData.SOURCE_DIR);
final MyButton fileChooserBtn = widgetFactory.createButton("Browse...");
application.makeMiniButton(fileChooserBtn);
final String regexp = ".*[^/]?$";
final Widget paramWi = widgetFactory.createInstance(
getFieldType(param),
sourceDir,
getParamPossibleChoices(param),
regexp,
width,
Widget.NO_ABBRV,
new AccessMode(getAccessType(param), AccessMode.NORMAL),
fileChooserBtn);
paramWi.setAlwaysEditable(true);
if (prefix == null) {
sourceDirWi.put("", paramWi);
} else {
sourceDirWi.put(prefix, paramWi);
}
if (Tools.isWindows()) {
paramWi.setTFButtonEnabled(false);
}
fileChooserBtn.addActionListener(new ActionListener() {
@Override
public void actionPerformed(final ActionEvent e) {
final Thread t = new Thread(new Runnable() {
@Override
public void run() {
final String file;
final String oldFile = paramWi.getStringValue();
if (oldFile == null || oldFile.isEmpty()) {
file = LXC_SOURCE_DIR;
} else {
file = oldFile;
}
startFileChooser(paramWi,
file,
FILECHOOSER_DIR_ONLY);
}
});
t.start();
}
});
widgetAdd(param, prefix, paramWi);
return paramWi;
} else if (FilesystemData.SOURCE_NAME.equals(param)) {
final Value sourceName = getParamSaved(FilesystemData.SOURCE_NAME);
final Widget paramWi = widgetFactory.createInstance(
getFieldType(param),
sourceName,
getParamPossibleChoices(param),
Widget.NO_REGEXP,
width,
Widget.NO_ABBRV,
new AccessMode(getAccessType(param), AccessMode.NORMAL),
Widget.NO_BUTTON);
paramWi.setAlwaysEditable(true);
if (prefix == null) {
sourceNameWi.put("", paramWi);
} else {
sourceNameWi.put(prefix, paramWi);
}
widgetAdd(param, prefix, paramWi);
return paramWi;
} else {
final Widget paramWi = super.createWidget(param, prefix, width);
if (FilesystemData.SOURCE_DIR.equals(param)
|| FilesystemData.TARGET_DIR.equals(param)) {
paramWi.setAlwaysEditable(true);
}
return paramWi;
}
}
}