/** Returns maximum block size available in the group. */
private String getMaxBlockSize() {
final long free = blockDevInfo.getFreeInVolumeGroup() / 1024;
String maxBlockSize = "0";
try {
final long taken = Long.parseLong(blockDevInfo.getBlockDevice().getBlockSize());
final BlockDevInfo oBDI = blockDevInfo.getOtherBlockDevInfo();
long max = free + taken;
final String lvm = blockDevInfo.getBlockDevice().getName();
if (hostCheckBoxes != null) {
for (final Host h : hostCheckBoxes.keySet()) {
if (blockDevInfo.getHost() == h) {
continue;
}
if (hostCheckBoxes.get(h).isSelected()) {
for (final BlockDevice b : h.getBlockDevices()) {
if (lvm.equals(b.getName()) || (oBDI != null && oBDI.getBlockDevice() == b)) {
final long oFree = h.getFreeInVolumeGroup(b.getVolumeGroup()) / 1024;
final long oTaken = Long.parseLong(b.getBlockSize());
if (oFree + oTaken < max) {
/* take the smaller maximum. */
max = oFree + oTaken;
}
}
}
}
}
}
maxBlockSize = Long.toString(max);
} catch (final Exception e) {
Tools.appWarning("could not get max size");
/* ignore */
}
return maxBlockSize;
}
/** Check if it is DRBD device and if it could be resized. */
private boolean checkDRBD() {
if (blockDevInfo.getBlockDevice().isDrbd()) {
final DrbdVolumeInfo dvi = blockDevInfo.getDrbdVolumeInfo();
final BlockDevInfo oBDI = blockDevInfo.getOtherBlockDevInfo();
if (!dvi.isConnected(false)) {
printErrorAndRetry("Not resizing. DRBD resource is not connected.");
sizeWi.setEnabled(false);
resizeButton.setEnabled(false);
return false;
} else if (dvi.isSyncing()) {
printErrorAndRetry("Not resizing. DRBD resource is syncing.");
sizeWi.setEnabled(false);
resizeButton.setEnabled(false);
return false;
} else if (!oBDI.getBlockDevice().isAttached()) {
printErrorAndRetry(
"Not resizing. DRBD resource is not attached on " + oBDI.getHost() + ".");
sizeWi.setEnabled(false);
resizeButton.setEnabled(false);
return false;
} else if (!blockDevInfo.getBlockDevice().isAttached()) {
printErrorAndRetry(
"Not resizing. DRBD resource is not attached on " + blockDevInfo.getHost() + ".");
sizeWi.setEnabled(false);
resizeButton.setEnabled(false);
return false;
} else if (!oBDI.getBlockDevice().isPrimary() && !blockDevInfo.getBlockDevice().isPrimary()) {
printErrorAndRetry("Not resizing. Must be primary at least on one node.");
sizeWi.setEnabled(false);
resizeButton.setEnabled(false);
return false;
}
}
return true;
}
/** LVM Resize and DRBD Resize. */
private boolean resize(final String size) {
final boolean ret =
LVM.resize(blockDevInfo.getHost(), blockDevInfo.getBlockDevice().getName(), size, false);
if (ret) {
answerPaneSetText(
"Lodical volume was successfully resized on " + blockDevInfo.getHost() + ".");
/* resize lvm volume on the other node. */
final String lvm = blockDevInfo.getBlockDevice().getName();
final BlockDevInfo oBDI = blockDevInfo.getOtherBlockDevInfo();
boolean resizingFailed = false;
for (final Host h : hostCheckBoxes.keySet()) {
if (h == blockDevInfo.getHost() || !hostCheckBoxes.get(h).isSelected()) {
continue;
}
for (final BlockDevice b : h.getBlockDevices()) {
if (lvm.equals(b.getName()) || (oBDI != null && oBDI.getBlockDevice() == b)) {
/* drbd or selected other host */
final boolean oRet = LVM.resize(h, b.getName(), size, false);
if (oRet) {
answerPaneAddText(
"Lodical volume was successfully" + " resized on " + h.getName() + ".");
} else {
answerPaneAddTextError(
"Resizing of " + b.getName() + " on host " + h.getName() + " failed.");
resizingFailed = true;
}
break;
}
if (resizingFailed) {
break;
}
}
}
if (oBDI != null && !resizingFailed) {
final boolean dRet = blockDevInfo.resizeDrbd(false);
if (dRet) {
answerPaneAddText(
"DRBD resource "
+ blockDevInfo.getDrbdVolumeInfo().getName()
+ " was successfully resized.");
} else {
answerPaneAddTextError(
"DRBD resource " + blockDevInfo.getDrbdVolumeInfo().getName() + " resizing failed.");
}
}
} else {
answerPaneAddTextError(
"Resizing of "
+ blockDevInfo.getName()
+ " on host "
+ blockDevInfo.getHost()
+ " failed.");
}
return ret;
}
/** Returns the input pane. */
protected JComponent getInputPane() {
resizeButton.setEnabled(false);
final JPanel pane = new JPanel(new SpringLayout());
final JPanel inputPane = new JPanel(new SpringLayout());
inputPane.setBackground(Browser.BUTTON_PANEL_BACKGROUND);
/* old size */
final JLabel oldSizeLabel = new JLabel("Current Size");
oldSizeLabel.setEnabled(false);
final String oldBlockSize = blockDevInfo.getBlockDevice().getBlockSize();
oldSizeWi =
new TextfieldWithUnit(
Tools.convertKilobytes(oldBlockSize),
getUnits(),
Widget.NO_REGEXP,
250,
Widget.NO_ABBRV,
new AccessMode(ConfigData.AccessType.OP, !AccessMode.ADVANCED),
Widget.NO_BUTTON);
oldSizeWi.setEnabled(false);
inputPane.add(oldSizeLabel);
inputPane.add(oldSizeWi);
inputPane.add(new JLabel());
final String maxBlockSize = getMaxBlockSize();
/* size */
final String newBlockSize =
Long.toString((Long.parseLong(oldBlockSize) + Long.parseLong(maxBlockSize)) / 2);
final JLabel sizeLabel = new JLabel("New Size");
sizeWi =
new TextfieldWithUnit(
Tools.convertKilobytes(newBlockSize),
getUnits(),
Widget.NO_REGEXP,
250,
Widget.NO_ABBRV,
new AccessMode(ConfigData.AccessType.OP, !AccessMode.ADVANCED),
Widget.NO_BUTTON);
inputPane.add(sizeLabel);
inputPane.add(sizeWi);
resizeButton.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(final ActionEvent e) {
final Thread thread =
new Thread(
new Runnable() {
@Override
public void run() {
if (checkDRBD()) {
Tools.invokeAndWait(new EnableResizeRunnable(false));
disableComponents();
getProgressBar().start(RESIZE_TIMEOUT * hostCheckBoxes.size());
final boolean ret = resize(sizeWi.getStringValue());
final Host host = blockDevInfo.getHost();
host.getBrowser().getClusterBrowser().updateHWInfo(host);
setComboBoxes();
if (ret) {
progressBarDone();
} else {
progressBarDoneError();
}
enableComponents();
}
}
});
thread.start();
}
});
inputPane.add(resizeButton);
/* max size */
final JLabel maxSizeLabel = new JLabel("Max Size");
maxSizeLabel.setEnabled(false);
maxSizeWi =
new TextfieldWithUnit(
Tools.convertKilobytes(maxBlockSize),
getUnits(),
Widget.NO_REGEXP,
250,
Widget.NO_ABBRV,
new AccessMode(ConfigData.AccessType.OP, !AccessMode.ADVANCED),
Widget.NO_BUTTON);
maxSizeWi.setEnabled(false);
inputPane.add(maxSizeLabel);
inputPane.add(maxSizeWi);
inputPane.add(new JLabel());
sizeWi.addListeners(
new WidgetListener() {
@Override
public void check(final Object value) {
checkButtons();
}
});
SpringUtilities.makeCompactGrid(
inputPane, 3, 3, /* rows, cols */ 1, 1, /* initX, initY */ 1, 1); /* xPad, yPad */
pane.add(inputPane);
final JPanel hostsPane = new JPanel(new java.awt.FlowLayout(java.awt.FlowLayout.LEFT));
final Cluster cluster = blockDevInfo.getHost().getCluster();
hostCheckBoxes = Tools.getHostCheckBoxes(cluster);
hostsPane.add(new JLabel("Select Hosts: "));
final Host host = blockDevInfo.getHost();
final String lv = blockDevInfo.getBlockDevice().getLogicalVolume();
for (final Host h : hostCheckBoxes.keySet()) {
final Set<String> allLVS = h.getAllLogicalVolumes();
hostCheckBoxes
.get(h)
.addItemListener(
new ItemListener() {
@Override
public void itemStateChanged(final ItemEvent e) {
checkButtons();
}
});
if (host == h) {
hostCheckBoxes.get(h).setEnabled(false);
hostCheckBoxes.get(h).setSelected(true);
} else if (blockDevInfo.getBlockDevice().isDrbd()
&& blockDevInfo.getOtherBlockDevInfo().getHost() == h) {
hostCheckBoxes.get(h).setEnabled(false);
hostCheckBoxes.get(h).setSelected(true);
} else if (!blockDevInfo.getBlockDevice().isDrbd() && !allLVS.contains(lv)) {
hostCheckBoxes.get(h).setEnabled(false);
hostCheckBoxes.get(h).setSelected(false);
} else {
hostCheckBoxes.get(h).setEnabled(true);
hostCheckBoxes.get(h).setSelected(false);
}
hostsPane.add(hostCheckBoxes.get(h));
}
final javax.swing.JScrollPane sp = new javax.swing.JScrollPane(hostsPane);
sp.setPreferredSize(new java.awt.Dimension(0, 45));
pane.add(sp);
pane.add(getProgressBarPane(null));
pane.add(getAnswerPane(""));
SpringUtilities.makeCompactGrid(
pane, 4, 1, /* rows, cols */ 0, 0, /* initX, initY */ 0, 0); /* xPad, yPad */
checkButtons();
return pane;
}
