[partition] Adding resizing, deactivating and removing procedures for LVM VGs.

src/modules/partition/CMakeLists.txt

@@ -51,6 +51,7 @@ if ( KPMcore_FOUND )
             gui/PartitionSplitterWidget.cpp
             gui/PartitionViewStep.cpp
             gui/PrettyRadioButton.cpp
+            gui/ResizeVolumeGroupDialog.cpp
             gui/ScanningDialog.cpp
             gui/ReplaceWidget.cpp
             gui/VolumeGroupBaseDialog.cpp
@@ -59,11 +60,14 @@ if ( KPMcore_FOUND )
             jobs/CreatePartitionJob.cpp
             jobs/CreatePartitionTableJob.cpp
             jobs/CreateVolumeGroupJob.cpp
+            jobs/DeactivateVolumeGroupJob.cpp
             jobs/DeletePartitionJob.cpp
             jobs/FillGlobalStorageJob.cpp
             jobs/FormatPartitionJob.cpp
             jobs/PartitionJob.cpp
+            jobs/RemoveVolumeGroupJob.cpp
             jobs/ResizePartitionJob.cpp
+            jobs/ResizeVolumeGroupJob.cpp
             jobs/SetPartitionFlagsJob.cpp
         UI
             gui/ChoicePage.ui

src/modules/partition/core/PartitionCoreModule.cpp

@@ -34,10 +34,13 @@
 #include "jobs/CreatePartitionJob.h"
 #include "jobs/CreatePartitionTableJob.h"
 #include "jobs/CreateVolumeGroupJob.h"
+#include "jobs/DeactivateVolumeGroupJob.h"
 #include "jobs/DeletePartitionJob.h"
 #include "jobs/FillGlobalStorageJob.h"
 #include "jobs/FormatPartitionJob.h"
+#include "jobs/RemoveVolumeGroupJob.h"
 #include "jobs/ResizePartitionJob.h"
+#include "jobs/ResizeVolumeGroupJob.h"
 #include "jobs/SetPartitionFlagsJob.h"
 
 #include "Typedefs.h"
@@ -65,6 +68,7 @@ PartitionCoreModule::DeviceInfo::DeviceInfo( Device* _device )
     : device( _device )
     , partitionModel( new PartitionModel )
     , immutableDevice( new Device( *_device ) )
+    , isAvailable( true )
 {}
 
 PartitionCoreModule::DeviceInfo::~DeviceInfo()
@@ -298,6 +302,48 @@ PartitionCoreModule::createVolumeGroup( QString &vgName,
     refresh();
 }
 
+void
+PartitionCoreModule::resizeVolumeGroup( LvmDevice *device, QVector< const Partition* >& pvList )
+{
+    DeviceInfo* deviceInfo = infoForDevice( device );
+    Q_ASSERT( deviceInfo );
+
+    ResizeVolumeGroupJob* job = new ResizeVolumeGroupJob( device, pvList );
+
+    deviceInfo->jobs << Calamares::job_ptr( job );
+
+    refresh();
+}
+
+void
+PartitionCoreModule::deactivateVolumeGroup( LvmDevice *device )
+{
+    DeviceInfo* deviceInfo = infoForDevice( device );
+    Q_ASSERT( deviceInfo );
+
+    deviceInfo->isAvailable = false;
+
+    DeactivateVolumeGroupJob* job = new DeactivateVolumeGroupJob( device );
+
+    // DeactivateVolumeGroupJob needs to be immediately called
+    job->exec();
+
+    refresh();
+}
+
+void
+PartitionCoreModule::removeVolumeGroup( LvmDevice *device )
+{
+    DeviceInfo* deviceInfo = infoForDevice( device );
+    Q_ASSERT( deviceInfo );
+
+    RemoveVolumeGroupJob* job = new RemoveVolumeGroupJob( device );
+
+    deviceInfo->jobs << Calamares::job_ptr( job );
+
+    refresh();
+}
+
 void
 PartitionCoreModule::deletePartition( Device* device, Partition* partition )
 {
@@ -596,16 +642,40 @@ PartitionCoreModule::scanForLVMPVs()
 {
     m_lvmPVs.clear();
 
-    QList< Device* > devices;
+    QList< Device* > physicalDevices;
+    QList< LvmDevice* > vgDevices;
 
     for ( DeviceInfo* deviceInfo : m_deviceInfos )
-        devices << deviceInfo->device.data();
+    {
+        if ( deviceInfo->device.data()->type() == Device::Type::Disk_Device)
+            physicalDevices << deviceInfo->device.data();
+        else if ( deviceInfo->device.data()->type() == Device::Type::LVM_Device )
+        {
+            LvmDevice* device = dynamic_cast<LvmDevice*>(deviceInfo->device.data());
 
-    LvmDevice::scanSystemLVM( devices );
+            // Restoring physical volume list
+            device->physicalVolumes().clear();
+
+            vgDevices << device;
+        }
+    }
+
+    // Update LVM::pvList
+    LvmDevice::scanSystemLVM( physicalDevices );
 
     for ( auto p : LVM::pvList )
+    {
         m_lvmPVs << p.partition().data();
 
+        for ( LvmDevice* device : vgDevices )
+            if ( p.vgName() == device->name() )
+            {
+                // Adding scanned VG to PV list
+                device->physicalVolumes() << p.partition();
+                break;
+            }
+    }
+
     for ( DeviceInfo* d : m_deviceInfos )
     {
         for ( auto job : d->jobs )
@@ -693,7 +763,11 @@ PartitionCoreModule::revertAllDevices()
     for ( auto it = m_deviceInfos.begin(); it != m_deviceInfos.end(); )
     {
         // In new VGs device info, there will be always a CreateVolumeGroupJob as the first job in jobs list
-        if ( dynamic_cast<LvmDevice*>( ( *it )->device.data() ) && !( *it )->jobs.empty() )
+        if ( dynamic_cast<LvmDevice*>( ( *it )->device.data() ) )
+        {
+            ( *it )->isAvailable = true;
+
+            if ( !( *it )->jobs.empty() )
             {
                 CreateVolumeGroupJob* vgJob = dynamic_cast<CreateVolumeGroupJob*>( ( *it )->jobs[0].data() );
 
@@ -710,6 +784,7 @@ PartitionCoreModule::revertAllDevices()
                     continue;
                 }
             }
+        }
 
         revertDevice( ( *it )->device.data() );
         ++it;
@@ -736,8 +811,13 @@ PartitionCoreModule::revertDevice( Device* dev )
     m_deviceModel->swapDevice( dev, newDev );
 
     QList< Device* > devices;
-    foreach ( auto info, m_deviceInfos )
+    for ( auto info : m_deviceInfos )
+    {
+        if ( info->device.data()->type() != Device::Type::Disk_Device )
+            continue;
+        else
             devices.append( info->device.data() );
+    }
 
     m_bootLoaderModel->init( devices );
 
@@ -777,6 +857,16 @@ PartitionCoreModule::isDirty()
     return m_isDirty;
 }
 
+bool
+PartitionCoreModule::isVGdeactivated( LvmDevice *device )
+{
+    for ( DeviceInfo* deviceInfo : m_deviceInfos )
+        if ( device == deviceInfo->device.data() && !deviceInfo->isAvailable )
+            return true;
+
+    return false;
+}
+
 QList< PartitionCoreModule::SummaryInfo >
 PartitionCoreModule::createSummaryInfo() const
 {

src/modules/partition/core/PartitionCoreModule.h

@@ -114,6 +114,12 @@ public:
 
     void createVolumeGroup( QString &vgName, QVector< const Partition* > pvList, qint32 peSize );
 
+    void resizeVolumeGroup( LvmDevice* device, QVector< const Partition* >& pvList );
+
+    void deactivateVolumeGroup( LvmDevice* device );
+
+    void removeVolumeGroup( LvmDevice* device );
+
     void deletePartition( Device* device, Partition* partition );
 
     void formatPartition( Device* device, Partition* partition );
@@ -160,6 +166,8 @@ public:
 
     bool isDirty();     // true if there are pending changes, otherwise false
 
+    bool isVGdeactivated( LvmDevice* device );
+
     /**
      * To be called when a partition has been altered, but only for changes
      * which do not affect its size, because changes which affect the partition size
@@ -198,6 +206,9 @@ private:
         const QScopedPointer< Device > immutableDevice;
         QList< Calamares::job_ptr > jobs;
 
+        // To check if LVM VGs are deactivated
+        bool isAvailable;
+
         void forgetChanges();
         bool isDirty() const;
     };

src/modules/partition/gui/CreateVolumeGroupDialog.cpp

@@ -28,13 +28,16 @@
 CreateVolumeGroupDialog::CreateVolumeGroupDialog( QString& vgName,
                                                   QVector< const Partition* >& selectedPVs,
                                                   QVector< const Partition* > pvList,
-                                                  qint32& peSize,
+                                                  qint64& pSize,
                                                   QWidget* parent )
-    : VolumeGroupBaseDialog( vgName, pvList, peSize, parent )
+    : VolumeGroupBaseDialog( vgName, pvList, parent )
     , m_selectedPVs( selectedPVs )
+    , m_peSize( pSize )
 {
     setWindowTitle( "Create Volume Group" );
 
+    peSize()->setValue( pSize );
+
     vgType()->setEnabled( false );
 }
 
@@ -46,7 +49,7 @@ CreateVolumeGroupDialog::accept()
 
     m_selectedPVs << checkedItems();
 
-    qint32& pe = peSizeValue();
+    qint64& pe = m_peSize;
     pe = peSize()->value();
 
     QDialog::accept();

src/modules/partition/gui/CreateVolumeGroupDialog.h

@@ -27,13 +27,15 @@ public:
     CreateVolumeGroupDialog( QString& vgName,
                              QVector< const Partition* >& selectedPVs,
                              QVector< const Partition* > pvList,
-                             qint32& peSize,
+                             qint64& pSize,
                              QWidget* parent );
 
     void accept() override;
 
 private:
     QVector< const Partition* >& m_selectedPVs;
+
+    qint64& m_peSize;
 };
 
 #endif // CREATEVOLUMEGROUPDIALOG_H

src/modules/partition/gui/PartitionPage.cpp

@@ -30,6 +30,7 @@
 #include "gui/CreatePartitionDialog.h"
 #include "gui/CreateVolumeGroupDialog.h"
 #include "gui/EditExistingPartitionDialog.h"
+#include "gui/ResizeVolumeGroupDialog.h"
 #include "gui/ScanningDialog.h"
 
 #include "ui_PartitionPage.h"
@@ -43,6 +44,8 @@
 // KPMcore
 #include <kpmcore/core/device.h>
 #include <kpmcore/core/partition.h>
+#include <kpmcore/ops/deactivatevolumegroupoperation.h>
+#include <kpmcore/ops/removevolumegroupoperation.h>
 
 // Qt
 #include <QDebug>
@@ -101,6 +104,9 @@ PartitionPage::PartitionPage( PartitionCoreModule* core, QWidget* parent )
     connect( m_ui->partitionTreeView, &QAbstractItemView::doubleClicked, this, &PartitionPage::onPartitionViewActivated );
     connect( m_ui->revertButton, &QAbstractButton::clicked, this, &PartitionPage::onRevertClicked );
     connect( m_ui->newVolumeGroupButton, &QAbstractButton::clicked, this, &PartitionPage::onNewVolumeGroupClicked );
+    connect( m_ui->resizeVolumeGroupButton, &QAbstractButton::clicked, this, &PartitionPage::onResizeVolumeGroupClicked );
+    connect( m_ui->deactivateVolumeGroupButton, &QAbstractButton::clicked, this, &PartitionPage::onDeactivateVolumeGroupClicked );
+    connect( m_ui->removeVolumeGroupButton, &QAbstractButton::clicked, this, &PartitionPage::onRemoveVolumeGroupClicked );
     connect( m_ui->newPartitionTableButton, &QAbstractButton::clicked, this, &PartitionPage::onNewPartitionTableClicked );
     connect( m_ui->createButton, &QAbstractButton::clicked, this, &PartitionPage::onCreateClicked );
     connect( m_ui->editButton, &QAbstractButton::clicked, this, &PartitionPage::onEditClicked );
@@ -121,7 +127,8 @@ PartitionPage::~PartitionPage()
 void
 PartitionPage::updateButtons()
 {
-    bool create = false, createTable = false, edit = false, del = false;
+    bool create = false, createTable = false, edit = false, del = false, currentDeviceIsVG = false, isDeactivable = false;
+    bool isRemovable = false, isVGdeactivated = false;
 
     QModelIndex index = m_ui->partitionTreeView->currentIndex();
     if ( index.isValid() )
@@ -152,12 +159,28 @@ PartitionPage::updateButtons()
         QModelIndex deviceIndex = m_core->deviceModel()->index( m_ui->deviceComboBox->currentIndex(), 0 );
         if ( m_core->deviceModel()->deviceForIndex( deviceIndex )->type() != Device::Type::LVM_Device )
             createTable = true;
+        else
+        {
+            currentDeviceIsVG = true;
+
+            LvmDevice* lvmDevice = dynamic_cast<LvmDevice*>(m_core->deviceModel()->deviceForIndex( deviceIndex ));
+
+            isDeactivable = DeactivateVolumeGroupOperation::isDeactivatable( lvmDevice );
+            isRemovable = RemoveVolumeGroupOperation::isRemovable( lvmDevice );
+
+            isVGdeactivated = m_core->isVGdeactivated( lvmDevice );
+
+            m_ui->revertButton->setEnabled( isVGdeactivated );
+        }
     }
 
     m_ui->createButton->setEnabled( create );
     m_ui->editButton->setEnabled( edit );
     m_ui->deleteButton->setEnabled( del );
     m_ui->newPartitionTableButton->setEnabled( createTable );
+    m_ui->resizeVolumeGroupButton->setEnabled( currentDeviceIsVG && !isVGdeactivated );
+    m_ui->deactivateVolumeGroupButton->setEnabled( currentDeviceIsVG && isDeactivable && !isVGdeactivated );
+    m_ui->removeVolumeGroupButton->setEnabled( currentDeviceIsVG && isRemovable );
 }
 
 void
@@ -188,7 +211,7 @@ PartitionPage::onNewVolumeGroupClicked()
 {
     QString vgName;
     QVector< const Partition* > selectedPVs;
-    qint32 peSize = 4;
+    qint64 peSize = 4;
 
     QVector< const Partition* > availablePVs;
 
@@ -238,6 +261,59 @@ PartitionPage::onNewVolumeGroupClicked()
     delete dlg;
 }
 
+void
+PartitionPage::onResizeVolumeGroupClicked()
+{
+    QModelIndex deviceIndex = m_core->deviceModel()->index( m_ui->deviceComboBox->currentIndex(), 0 );
+    LvmDevice* device = dynamic_cast< LvmDevice* >( m_core->deviceModel()->deviceForIndex( deviceIndex ) );
+
+    Q_ASSERT( device && device->type() == Device::Type::LVM_Device );
+
+    QVector< const Partition* > availablePVs;
+    QVector< const Partition* > selectedPVs;
+
+    for ( const Partition* p : m_core->lvmPVs() )
+        if ( !m_core->isInVG( p ) )
+            availablePVs << p;
+
+    QPointer< ResizeVolumeGroupDialog > dlg = new ResizeVolumeGroupDialog( device,
+                                                                           availablePVs,
+                                                                           selectedPVs,
+                                                                           this );
+
+    if ( dlg->exec() == QDialog::Accepted )
+        m_core->resizeVolumeGroup( device, selectedPVs );
+
+    delete dlg;
+}
+
+void
+PartitionPage::onDeactivateVolumeGroupClicked()
+{
+    QModelIndex deviceIndex = m_core->deviceModel()->index( m_ui->deviceComboBox->currentIndex(), 0 );
+    LvmDevice* device = dynamic_cast< LvmDevice* >( m_core->deviceModel()->deviceForIndex( deviceIndex ) );
+
+    Q_ASSERT( device && device->type() == Device::Type::LVM_Device );
+
+    m_core->deactivateVolumeGroup( device );
+
+    updateFromCurrentDevice();
+
+    PartitionModel* model = m_core->partitionModelForDevice( device );
+    model->update();
+}
+
+void
+PartitionPage::onRemoveVolumeGroupClicked()
+{
+    QModelIndex deviceIndex = m_core->deviceModel()->index( m_ui->deviceComboBox->currentIndex(), 0 );
+    LvmDevice* device = dynamic_cast< LvmDevice* >( m_core->deviceModel()->deviceForIndex( deviceIndex ) );
+
+    Q_ASSERT( device && device->type() == Device::Type::LVM_Device );
+
+    m_core->removeVolumeGroup( device );
+}
+
 void
 PartitionPage::onCreateClicked()
 {

src/modules/partition/gui/PartitionPage.h

@@ -51,6 +51,9 @@ private:
     void updateButtons();
     void onNewPartitionTableClicked();
     void onNewVolumeGroupClicked();
+    void onResizeVolumeGroupClicked();
+    void onDeactivateVolumeGroupClicked();
+    void onRemoveVolumeGroupClicked();
     void onCreateClicked();
     void onEditClicked();
     void onDeleteClicked();

src/modules/partition/gui/PartitionPage.ui

@@ -6,7 +6,7 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>655</width>
+    <width>684</width>
     <height>304</height>
    </rect>
   </property>
@@ -88,13 +88,6 @@
        </property>
       </widget>
      </item>
-     <item>
-      <widget class="QPushButton" name="newVolumeGroupButton">
-       <property name="text">
-        <string>New Volume Group</string>
-       </property>
-      </widget>
-     </item>
      <item>
       <spacer name="horizontalSpacer">
        <property name="orientation">
@@ -131,6 +124,51 @@
      </item>
     </layout>
    </item>
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout_4">
+     <item>
+      <widget class="QPushButton" name="newVolumeGroupButton">
+       <property name="text">
+        <string>New Volume Group</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QPushButton" name="resizeVolumeGroupButton">
+       <property name="text">
+        <string>Resize Volume Group</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QPushButton" name="deactivateVolumeGroupButton">
+       <property name="text">
+        <string>Deactivate Volume Group</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QPushButton" name="removeVolumeGroupButton">
+       <property name="text">
+        <string>Remove Volume Group</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <spacer name="horizontalSpacer_4">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>40</width>
+         <height>20</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+    </layout>
+   </item>
    <item>
     <spacer name="verticalSpacer">
      <property name="orientation">

src/modules/partition/gui/ResizeVolumeGroupDialog.cpp

@@ -0,0 +1,62 @@
+/* === This file is part of Calamares - <https://github.com/calamares> ===
+ *
+ *   Copyright 2018, Caio Jordão Carvalho <caiojcarvalho@gmail.com>
+ *
+ *   Calamares 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 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   Calamares 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 Calamares. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "ResizeVolumeGroupDialog.h"
+
+#include "gui/ListPhysicalVolumeWidgetItem.h"
+
+#include <kpmcore/core/lvmdevice.h>
+#include <kpmcore/util/capacity.h>
+
+#include <QComboBox>
+#include <QLineEdit>
+#include <QListWidgetItem>
+#include <QSpinBox>
+
+ResizeVolumeGroupDialog::ResizeVolumeGroupDialog( LvmDevice *device,
+                                                  QVector< const Partition* > availablePVs,
+                                                  QVector< const Partition* >& selectedPVs,
+                                                  QWidget* parent )
+    : VolumeGroupBaseDialog( device->name(), device->physicalVolumes(), parent )
+    , m_selectedPVs( selectedPVs )
+{
+    setWindowTitle( "Resize Volume Group" );
+
+    for ( int i = 0; i < pvList()->count(); i++ )
+        pvList()->item(i)->setCheckState( Qt::Checked );
+
+    for ( const Partition* p : availablePVs )
+        pvList()->addItem( new ListPhysicalVolumeWidgetItem( p, false ) );
+
+    peSize()->setValue( device->peSize() / Capacity::unitFactor(Capacity::Unit::Byte, Capacity::Unit::MiB) );
+
+    vgName()->setEnabled( false );
+    peSize()->setEnabled( false );
+    vgType()->setEnabled( false );
+
+    setUsedSizeValue( device->allocatedPE() * device->peSize() );
+    setLVQuantity( device->partitionTable()->children().count() );
+}
+
+void
+ResizeVolumeGroupDialog::accept()
+{
+    m_selectedPVs << checkedItems();
+
+    QDialog::accept();
+}

src/modules/partition/gui/ResizeVolumeGroupDialog.h

@@ -0,0 +1,40 @@
+/* === This file is part of Calamares - <https://github.com/calamares> ===
+ *
+ *   Copyright 2018, Caio Jordão Carvalho <caiojcarvalho@gmail.com>
+ *
+ *   Calamares 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 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   Calamares 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 Calamares. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef RESIZEVOLUMEGROUPDIALOG_H
+#define RESIZEVOLUMEGROUPDIALOG_H
+
+#include "gui/VolumeGroupBaseDialog.h"
+
+class LvmDevice;
+
+class ResizeVolumeGroupDialog : public VolumeGroupBaseDialog
+{
+public:
+    ResizeVolumeGroupDialog( LvmDevice *device,
+                             QVector< const Partition* > availablePVs,
+                             QVector< const Partition* >& selectedPVs,
+                             QWidget* parent );
+
+    void accept() override;
+
+private:
+    QVector< const Partition* >& m_selectedPVs;
+};
+
+#endif // RESIZEVOLUMEGROUPDIALOG_H

src/modules/partition/gui/VolumeGroupBaseDialog.cpp

@@ -32,12 +32,10 @@
 
 VolumeGroupBaseDialog::VolumeGroupBaseDialog( QString& vgName,
                                               QVector< const Partition* > pvList,
-                                              qint32& peSize,
                                               QWidget *parent )
     : QDialog(parent)
     , ui(new Ui::VolumeGroupBaseDialog)
     , m_vgNameValue(vgName)
-    , m_peSizeValue(peSize)
     , m_totalSizeValue(0)
     , m_usedSizeValue(0)
 {
@@ -53,8 +51,6 @@ VolumeGroupBaseDialog::VolumeGroupBaseDialog( QString& vgName,
     ui->vgName->setValidator( new QRegularExpressionValidator( re, this ) );
     ui->vgName->setText( m_vgNameValue );
 
-    ui->peSize->setValue( m_peSizeValue );
-
     updateOkButton();
     updateTotalSize();
 
@@ -111,6 +107,20 @@ VolumeGroupBaseDialog::updateOkButton()
                          ui->peSize->value() > 0);
 }
 
+void
+VolumeGroupBaseDialog::setUsedSizeValue( qint64 usedSize )
+{
+    m_usedSizeValue = usedSize;
+
+    ui->usedSize->setText( Capacity::formatByteSize(m_usedSizeValue) );
+}
+
+void
+VolumeGroupBaseDialog::setLVQuantity( qint32 lvQuantity )
+{
+    ui->lvQuantity->setText( QString::number( lvQuantity ) );
+}
+
 void
 VolumeGroupBaseDialog::updateTotalSize()
 {
@@ -143,12 +153,6 @@ VolumeGroupBaseDialog::vgNameValue() const
     return m_vgNameValue;
 }
 
-qint32&
-VolumeGroupBaseDialog::peSizeValue() const
-{
-    return m_peSizeValue;
-}
-
 QLineEdit*
 VolumeGroupBaseDialog::vgName() const
 {

src/modules/partition/gui/VolumeGroupBaseDialog.h

@@ -39,13 +39,16 @@ class VolumeGroupBaseDialog : public QDialog
 public:
     explicit VolumeGroupBaseDialog( QString& vgName,
                                     QVector< const Partition* > pvList,
-                                    qint32& peSize,
                                     QWidget* parent = nullptr );
     ~VolumeGroupBaseDialog();
 
 protected:
     virtual void updateOkButton();
 
+    void setUsedSizeValue( qint64 usedSize );
+
+    void setLVQuantity( qint32 lvQuantity );
+
     void updateTotalSize();
 
     void updateTotalSectors();
@@ -56,8 +59,6 @@ protected:
 
     QString& vgNameValue() const;
 
-    qint32& peSizeValue() const;
-
     QLineEdit* vgName() const;
 
     QComboBox* vgType() const;
@@ -72,7 +73,6 @@ private:
     Ui::VolumeGroupBaseDialog* ui;
 
     QString& m_vgNameValue;
-    qint32& m_peSizeValue;
 
     qint64 m_totalSizeValue;
     qint64 m_usedSizeValue;

src/modules/partition/jobs/DeactivateVolumeGroupJob.cpp

@@ -0,0 +1,69 @@
+/* === This file is part of Calamares - <https://github.com/calamares> ===
+ *
+ *   Copyright 2018, Caio Jordão Carvalho <caiojcarvalho@gmail.com>
+ *
+ *   Calamares 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 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   Calamares 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 Calamares. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "DeactivateVolumeGroupJob.h"
+
+#include <kpmcore/core/lvmdevice.h>
+#include <kpmcore/ops/deactivatevolumegroupoperation.h>
+#include <kpmcore/util/report.h>
+
+DeactivateVolumeGroupJob::DeactivateVolumeGroupJob( LvmDevice* device )
+    : m_device( device )
+{
+
+}
+
+QString
+DeactivateVolumeGroupJob::prettyName() const
+{
+    return tr( "Deactivate volume group named %1." )
+            .arg( m_device->name() );
+}
+
+QString
+DeactivateVolumeGroupJob::prettyDescription() const
+{
+    return tr( "Deactivate volume group named <strong>%1</strong>." )
+            .arg( m_device->name() );
+}
+
+QString
+DeactivateVolumeGroupJob::prettyStatusMessage() const
+{
+    return tr( "Deactivate volume group named %1." )
+            .arg( m_device->name() );
+}
+
+Calamares::JobResult
+DeactivateVolumeGroupJob::exec()
+{
+    Report report( nullptr );
+
+    DeactivateVolumeGroupOperation op( *m_device );
+
+    op.setStatus( Operation::OperationStatus::StatusRunning );
+
+    QString message = tr( "The installer failed to deactivate a volume group named %1." ).arg( m_device->name() );
+    if ( op.execute( report ) )
+    {
+        op.preview();
+        return Calamares::JobResult::ok();
+    }
+
+    return Calamares::JobResult::error(message, report.toText());
+}

src/modules/partition/jobs/DeactivateVolumeGroupJob.h

@@ -0,0 +1,40 @@
+/* === This file is part of Calamares - <https://github.com/calamares> ===
+ *
+ *   Copyright 2018, Caio Jordão Carvalho <caiojcarvalho@gmail.com>
+ *
+ *   Calamares 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 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   Calamares 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 Calamares. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef DEACTIVATEVOLUMEGROUPJOB_H
+#define DEACTIVATEVOLUMEGROUPJOB_H
+
+#include "Job.h"
+
+class LvmDevice;
+
+class DeactivateVolumeGroupJob : public Calamares::Job
+{
+public:
+    DeactivateVolumeGroupJob( LvmDevice* device );
+
+    QString prettyName() const override;
+    QString prettyDescription() const override;
+    QString prettyStatusMessage() const override;
+    Calamares::JobResult exec() override;
+
+private:
+    LvmDevice* m_device;
+};
+
+#endif // DEACTIVATEVOLUMEGROUPJOB_H

src/modules/partition/jobs/RemoveVolumeGroupJob.cpp

@@ -0,0 +1,66 @@
+/* === This file is part of Calamares - <https://github.com/calamares> ===
+ *
+ *   Copyright 2018, Caio Jordão Carvalho <caiojcarvalho@gmail.com>
+ *
+ *   Calamares 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 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   Calamares 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 Calamares. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "RemoveVolumeGroupJob.h"
+
+#include <kpmcore/core/lvmdevice.h>
+#include <kpmcore/ops/removevolumegroupoperation.h>
+#include <kpmcore/util/report.h>
+
+RemoveVolumeGroupJob::RemoveVolumeGroupJob( LvmDevice* device )
+    : m_device( device )
+{
+
+}
+
+QString
+RemoveVolumeGroupJob::prettyName() const
+{
+    return tr( "Remove Volume Group named %1." )
+            .arg( m_device->name() );
+}
+
+QString
+RemoveVolumeGroupJob::prettyDescription() const
+{
+    return tr( "Remove Volume Group named <strong>%1</strong>.")
+            .arg( m_device->name() );
+}
+
+QString
+RemoveVolumeGroupJob::prettyStatusMessage() const
+{
+    return tr( "Remove Volume Group named %1." )
+            .arg( m_device->name() );
+}
+
+Calamares::JobResult
+RemoveVolumeGroupJob::exec()
+{
+    Report report( nullptr );
+
+    RemoveVolumeGroupOperation op( *m_device );
+
+    op.setStatus( Operation::OperationStatus::StatusRunning );
+
+    QString message = tr( "The installer failed to remove a volume group named '%1'." ).arg( m_device->name() );
+    if ( op.execute( report ) )
+        return Calamares::JobResult::ok();
+
+    return Calamares::JobResult::error(message, report.toText());
+}

src/modules/partition/jobs/RemoveVolumeGroupJob.h

@@ -0,0 +1,40 @@
+/* === This file is part of Calamares - <https://github.com/calamares> ===
+ *
+ *   Copyright 2018, Caio Jordão Carvalho <caiojcarvalho@gmail.com>
+ *
+ *   Calamares 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 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   Calamares 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 Calamares. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef REMOVEVOLUMEGROUPJOB_H
+#define REMOVEVOLUMEGROUPJOB_H
+
+#include <Job.h>
+
+class LvmDevice;
+
+class RemoveVolumeGroupJob : public Calamares::Job
+{
+public:
+    RemoveVolumeGroupJob( LvmDevice* device );
+
+    QString prettyName() const override;
+    QString prettyDescription() const override;
+    QString prettyStatusMessage() const override;
+    Calamares::JobResult exec() override;
+
+private:
+    LvmDevice* m_device;
+};
+
+#endif // REMOVEVOLUMEGROUPJOB_H

src/modules/partition/jobs/ResizeVolumeGroupJob.cpp

@@ -0,0 +1,101 @@
+/* === This file is part of Calamares - <https://github.com/calamares> ===
+ *
+ *   Copyright 2018, Caio Jordão Carvalho <caiojcarvalho@gmail.com>
+ *
+ *   Calamares 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 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   Calamares 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 Calamares. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "ResizeVolumeGroupJob.h"
+
+// KPMcore
+#include <kpmcore/core/lvmdevice.h>
+#include <kpmcore/core/partition.h>
+#include <kpmcore/ops/resizevolumegroupoperation.h>
+#include <kpmcore/util/report.h>
+
+ResizeVolumeGroupJob::ResizeVolumeGroupJob( LvmDevice* device, QVector< const Partition* >& partitionList )
+    : m_device( device )
+    , m_partitionList( partitionList )
+{
+
+}
+
+QString
+ResizeVolumeGroupJob::prettyName() const
+{
+    return tr( "Resize volume group named %1 from %2 to %3." )
+            .arg( m_device->name() )
+            .arg( currentPartitions() )
+            .arg( targetPartitions() );
+}
+
+QString
+ResizeVolumeGroupJob::prettyDescription() const
+{
+    return tr( "Resize volume group named <strong>%1</strong> from <strong>%2</strong> to <strong>%3</strong>." )
+            .arg( m_device->name() )
+            .arg( currentPartitions() )
+            .arg( targetPartitions() );
+}
+
+QString
+ResizeVolumeGroupJob::prettyStatusMessage() const
+{
+    return tr( "Resize volume group named %1 from %2 to %3." )
+            .arg( m_device->name() )
+            .arg( currentPartitions() )
+            .arg( targetPartitions() );
+}
+
+Calamares::JobResult
+ResizeVolumeGroupJob::exec()
+{
+    Report report( nullptr );
+
+    ResizeVolumeGroupOperation op( *m_device, m_partitionList );
+
+    op.setStatus( Operation::OperationStatus::StatusRunning );
+
+    QString message = tr( "The installer failed to resize a volume group named '%1'." ).arg( m_device->name() );
+    if ( op.execute( report ) )
+        return Calamares::JobResult::ok();
+
+    return Calamares::JobResult::error( message, report.toText() );
+}
+
+QString
+ResizeVolumeGroupJob::currentPartitions() const
+{
+    QString result;
+
+    for ( const Partition *p : m_device->physicalVolumes() )
+        result += p->deviceNode() + ", ";
+
+    result.chop(2);
+
+    return result;
+}
+
+QString
+ResizeVolumeGroupJob::targetPartitions() const
+{
+    QString result;
+
+    for ( const Partition *p : m_partitionList )
+        result += p->deviceNode() + ", ";
+
+    result.chop(2);
+
+    return result;
+}

src/modules/partition/jobs/ResizeVolumeGroupJob.h

@@ -0,0 +1,48 @@
+/* === This file is part of Calamares - <https://github.com/calamares> ===
+ *
+ *   Copyright 2018, Caio Jordão Carvalho <caiojcarvalho@gmail.com>
+ *
+ *   Calamares 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 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   Calamares 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 Calamares. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef RESIZEVOLUMEGROUPJOB_H
+#define RESIZEVOLUMEGROUPJOB_H
+
+#include <Job.h>
+
+#include <QVector>
+
+class LvmDevice;
+class Partition;
+
+class ResizeVolumeGroupJob : public Calamares::Job
+{
+public:
+    ResizeVolumeGroupJob( LvmDevice* device, QVector< const Partition* >& partitionList );
+
+    QString prettyName() const override;
+    QString prettyDescription() const override;
+    QString prettyStatusMessage() const override;
+    Calamares::JobResult exec() override;
+
+private:
+    QString currentPartitions() const;
+    QString targetPartitions() const;
+
+private:
+    LvmDevice* m_device;
+    QVector< const Partition* > m_partitionList;
+};
+
+#endif // RESIZEVOLUMEGROUPJOB_H