linux_usr/gui/palacios/vm_creation_wizard.cpp

   1 /*
   2  * newvmwizard.cpp
   3  *
   4  *  Created on: Sep 20, 2012
   5  *      Author: abhinav
   6  */
   7
   8 #include <QMessageBox>
   9 #include "vm_creation_wizard.h"
  10
  11 NewVmWizard::NewVmWizard(QWidget* parent) :
  12                 QWizard(parent) {
  13
  14         setPage(Page_Intro, new IntroPage);
  15         setPage(Page_Image_File, new GuestImagePage);
  16         setPage(Page_Final, new FinalPage);
  17         setStartId(Page_Intro);
  18
  19         setOptions(QWizard::NoBackButtonOnLastPage);
  20         setWindowTitle(tr("New Virtual Machine"));
  21 }
  22
  23 NewVmWizard::~NewVmWizard() {
  24 }
  25
  26 IntroPage::IntroPage(QWidget* parent) :
  27                 QWizardPage(parent) {
  28         setTitle(tr("Introduction"));
  29         setPixmap(QWizard::WatermarkPixmap, QPixmap(":/images/images/palacios.png"));
  30
  31         topLabel = new QLabel(
  32                         tr("This wizard will help you to create a new virtual machine"));
  33         topLabel->setWordWrap(true);
  34
  35         QVBoxLayout *layout = new QVBoxLayout;
  36         layout->addWidget(topLabel);
  37         setLayout(layout);
  38 }
  39
  40 IntroPage::~IntroPage() {
  41         delete topLabel;
  42 }
  43
  44 int IntroPage::nextId() const {
  45         return NewVmWizard::Page_Image_File;
  46 }
  47
  48 GuestImagePage::GuestImagePage(QWidget* parent) :
  49                 QWizardPage(parent) {
  50         setTitle(tr("VM Creation"));
  51         setSubTitle(
  52                         tr(
  53                                         "Please fill all the fields. Make sure all file paths are correct"));
  54
  55         guestNameLabel = new QLabel(tr("Enter a name for the guest"));
  56         guestName = new QLineEdit();
  57         guestNameLabel->setBuddy(guestName);
  58
  59         configLocLabel = new QLabel(tr("Enter path of config file"));
  60         configLoc = new QLineEdit();
  61         configLocLabel->setBuddy(configLoc);
  62
  63         imageLocLabel = new QLabel(tr("Enter path of image file"));
  64         imageLoc = new QLineEdit();
  65         imageLocLabel->setBuddy(imageLoc);
  66
  67         browseConfig = new QPushButton(tr("Browse"));
  68         browseImage = new QPushButton(tr("Browse"));
  69
  70         registerField("guestName*", guestName);
  71         registerField("configLoc*", configLoc);
  72         registerField("imageLoc*", imageLoc);
  73         //registerField("memory*", memory);
  74
  75         connect(browseConfig, SIGNAL(clicked()), this, SLOT(locateConfigFile()));
  76         connect(browseImage, SIGNAL(clicked()), this, SLOT(locateImageFile()));
  77
  78         QGridLayout* layout = new QGridLayout();
  79         layout->addWidget(guestNameLabel, 0, 0);
  80         layout->addWidget(guestName, 0, 1);
  81         layout->addWidget(configLocLabel, 1, 0);
  82         layout->addWidget(configLoc, 1, 1);
  83         layout->addWidget(browseConfig, 1, 2);
  84         layout->addWidget(imageLocLabel, 2, 0);
  85         layout->addWidget(imageLoc, 2, 1);
  86         layout->addWidget(browseImage, 2, 2);
  87
  88         setLayout(layout);
  89 }
  90
  91 GuestImagePage::~GuestImagePage() {
  92         delete guestNameLabel;
  93         delete guestName;
  94         delete configLocLabel;
  95         delete configLoc;
  96         delete imageLocLabel;
  97         delete imageLoc;
  98         delete browseConfig;
  99         delete browseImage;
 100 }
 101
 102 void GuestImagePage::locateConfigFile() {
 103         QString configFile = QFileDialog::getOpenFileName(this, tr("Open file"), ".",
 104                         "XML file (*.xml)");
 105         configLoc->setText(configFile);
 106 }
 107
 108 void GuestImagePage::locateImageFile() {
 109         QString imageFile = QFileDialog::getOpenFileName(this, tr("Open file"), ".",
 110                         "Image file (*.img *.bZ)");
 111         imageLoc->setText(imageFile);
 112 }
 113
 114 int GuestImagePage::nextId() const {
 115         return NewVmWizard::Page_Final;
 116 }
 117
 118 bool GuestImagePage::validatePage() {
 119         v3Proc = new QProcess();
 120         v3Proc->setProcessChannelMode(QProcess::MergedChannels);
 121         v3Proc->start("cat /proc/v3vee/v3-guests");
 122         v3Proc->waitForFinished();
 123         qDebug() << "Reply from proc to check for new VM creation: " << v3Proc->readAllStandardOutput();
 124         QString name = field("guestName").toString();
 125         QByteArray temp = name.toLocal8Bit();
 126         const char* vmEntry = temp.data();
 127         bool exists = false;
 128
 129         QByteArray val = v3Proc->readAllStandardOutput();
 130         if (!val.isNull()) {
 131                 QList<QByteArray> procLine = val.split('\n');
 132                 if (procLine.size() > 0) {
 133                         for (int i=0; i<procLine.size(); i++) {
 134                                 if (procLine[i].contains(vmEntry)) {
 135                                         exists = true;
 136                                         break;
 137                                 }
 138                         }
 139                 }
 140         }
 141
 142         if (exists) {
 143                 QMessageBox warning;
 144                 warning.setText("A Virtual Machine with this name already exists! Please use another name");
 145                 warning.setIcon(QMessageBox::Critical);
 146                 warning.setStandardButtons(
 147                                 QMessageBox::Ok);
 148                 warning.exec();
 149                 return false;
 150         }
 151
 152         delete v3Proc;
 153         return true;
 154 }
 155
 156 FinalPage::FinalPage(QWidget* parent) :
 157                 QWizardPage(parent) {
 158         this->setCommitPage(true);
 159         this->setFinalPage(true);
 160         setTitle(tr("Status"));
 161         setPixmap(QWizard::WatermarkPixmap, QPixmap(":/images/images/palacios.png"));
 162
 163         finalLabel = new QLabel("VM Creation Successful");
 164
 165         QVBoxLayout* layout = new QVBoxLayout();
 166         layout->addWidget(finalLabel);
 167
 168         setLayout(layout);
 169 }
 170
 171 FinalPage::~FinalPage() {
 172         delete finalLabel;
 173 }
 174
 175 int FinalPage::nextId() const {
 176         return -1;
 177 }