from PyQt4.QtGui import *
from sfa.util.rspecHelper import RSpec
-from sface.sfahelper import *
-from sface.sficonfig import config
+from sface.config import config
from sface.sfiprocess import SfiProcess
from sface.screens.sfascreen import SfaScreen
+already_in_nodes = []
+
+node_status = { "in": "Already Selected",
+ "out": "Not Selected",
+ "add": "To be Added",
+ "remove": "To be Removed"}
+
+tag_status = { "in": "Already Set",
+ "out": "Not Set",
+ "add": "To be Added",
+ "remove": "To be Removed"}
+
+default_tags = "Default tags"
+settable_tags = ['delegations', 'initscript']
+
+def itemType(index):
+ if index.parent().parent().isValid():
+ return "tag"
+ else:
+ return "node"
+
+
class NodeView(QTreeView):
def __init__(self, parent):
QTreeView.__init__(self, parent)
+ self.setAnimated(True)
self.setItemsExpandable(True)
self.setRootIsDecorated(True)
self.setAlternatingRowColors(True)
+# self.setSelectionMode(self.MultiSelection)
+ self.setAttribute(Qt.WA_MacShowFocusRect, 0)
self.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
+ self.setToolTip("Double click on a row to change its status. Right click on a host to add a tag.")
+
+ def mouseDoubleClickEvent(self, event):
+ index = self.currentIndex()
+ model = index.model()
+ status_index = model.index(index.row(), 1, index.parent())
+ status_data = status_index.data().toString()
+ node_index = model.index(index.row(), 0, index.parent())
+ node_data = node_index.data().toString()
+
+ if itemType(node_index) == "tag":
+ data = node_index.data().toString()
+ tagname, value = data.split(": ")
+ if tagname not in settable_tags:
+ # Pop up error msg
+ QMessageBox.warning(self, "Not settable", "Insufficient permission to change '%s' tag" % tagname)
+ return
+ if status_data == tag_status['in']:
+ model.setData(status_index, QString(tag_status['remove']))
+ elif status_data == tag_status['add']:
+ model.setData(status_index, QString(tag_status['out']))
+ elif status_data == tag_status['remove']:
+ model.setData(status_index, QString(tag_status['in']))
+ else: model.setData(status_index, QString(node_status['out']))
+ else:
+ # This is a hostname
+ if status_data == node_status['in']:
+ model.setData(status_index, QString(node_status['remove']))
+ elif status_data == node_status['out']:
+ model.setData(status_index, QString(node_status['add']))
+ elif status_data in (node_status['add'], node_status['remove']):
+ if node_data in already_in_nodes: model.setData(status_index, QString(node_status['in']))
+ else: model.setData(status_index, QString(node_status['out']))
+
+ model.emit(SIGNAL("dataChanged(QModelIndex, QModelIndex)"), node_index, node_index)
+
+ def mousePressEvent(self, event):
+ QTreeView.mousePressEvent(self, event)
+ if event.button() == Qt.LeftButton:
+ return
-class TreeItem:
- def __init__(self, data, parent=None):
- self.parentItem = parent
- self.itemData = data
- self.childItems = []
+ # Right click
+ index = self.currentIndex()
+ model = index.model()
+ status_index = model.index(index.row(), 1, index.parent())
+ status_data = status_index.data().toString()
+ node_index = model.index(index.row(), 0, index.parent())
+ node_data = node_index.data().toString()
+
+ if itemType(node_index) == "node":
+ # This is a hostname
+ if status_data in (node_status['in'], node_status['add'], ""):
+ # Pop up a dialog box for adding a new attribute
+ tagname, ok = QInputDialog.getItem(self, "Add tag",
+ "Tag name:", settable_tags)
+ if ok:
+ value, ok = QInputDialog.getText(self, "Add tag",
+ "Value for tag '%s'" % tagname)
+ if ok:
+ # Add a new row to the model for the tag
+
+ # For testing with the QStandardItemModel
+ #nodeItem = model.itemFromIndex(index)
+ #tagstring = QString("%s: %s" % (tagname, value))
+ #tagItem = QStandardItem(tagstring)
+ #status = QStandardItem(QString(tag_status['add']))
+ #nodeItem.appendRow([tagItem, status])
+
+ # We're using the QSortFilterProxyModel here
+ src_index = model.mapToSource(index)
+ src_model = src_index.model()
+ nodeItem = src_model.itemFromIndex(src_index)
+ tagstring = QString("%s: %s" % (tagname, value))
+ tagItem = QStandardItem(tagstring)
+ status = QStandardItem(QString(tag_status['add']))
+ nodeItem.appendRow([tagItem, status])
+
+ elif status_data in (node_status['out'], node_status['remove']):
+ QMessageBox.warning(self, "Not selected", "Can only add tags to selected nodes")
+ return
+
+ model.emit(SIGNAL("dataChanged(QModelIndex, QModelIndex)"), node_index, node_index)
+
+ def currentChanged(self, current, previous):
+ model = current.model()
+ node_index = model.index(current.row(), 0, current.parent())
+ node_data = node_index.data().toString()
+ self.emit(SIGNAL('hostnameClicked(QString)'), node_data)
+
+
- def clear(self):
- for child in self.childItems:
- child.clear()
- del child
- del self.childItems
- self.childItems = []
+class NodeNameDelegate(QStyledItemDelegate):
+ def __init__(self, parent):
+ QStyledItemDelegate.__init__(self, parent)
- def appendChild(self, child):
- self.childItems.append(child)
+ def paint(self, painter, option, index):
+ model = index.model()
+ status_index = model.index(index.row(), 1, index.parent())
+ status_data = status_index.data().toString()
- def child(self, row):
- return self.childItems[row]
-
- def childCount(self):
- return len(self.childItems)
+ fm = QFontMetrics(option.font)
+ rect = option.rect
- def columnCount(self):
- return len(self.itemData)
+ data = index.data().toString()
+ rect.setHeight(rect.height() - 2)
+ rect.setWidth(fm.width(QString(data)) + 6)
+ rect.setX(rect.x() + 5)
+ rect.setY(rect.y() - 1)
- def data(self, column):
- return self.itemData[column]
+ x, y, h, w = rect.x(), rect.y(), rect.height(), rect.width()
- def row(self):
- if (self.parentItem):
- try:
- return self.parentItem.childItems.index(self)
- except ValueError:
- return 0
- return 0
-
- def parent(self):
- return self.parentItem
+ path = QPainterPath()
+ path.addRoundedRect(x - 1, y + 1, w, h, 4, 4)
+ painter.save()
+ painter.setRenderHint(QPainter.Antialiasing)
+ if itemType(index) == "node":
+ if status_data == node_status['in']: # already in the slice
+ painter.fillPath(path, QColor("cyan"))
+ painter.setPen(QColor.fromRgb(0, 0, 0))
+ painter.drawText(option.rect, 0, QString(data))
-class NodeModel(QAbstractItemModel):
- def __init__(self, parent):
- QAbstractItemModel.__init__(self, parent)
- self.__initRoot()
+ elif status_data == node_status['add']: # newly added to the slice
+ painter.fillPath(path, QColor.fromRgb(0, 250, 0))
+ painter.setPen(QColor.fromRgb(0, 0, 0))
+ painter.drawText(option.rect, 0, QString(data))
- def clear(self):
- self.rootItem.clear()
- self.__initRoot()
+ elif status_data == node_status['remove']: # removed from the slice
+ painter.fillPath(path, QColor.fromRgb(250, 0, 0))
+ painter.setPen(QColor.fromRgb(0, 0, 0))
+ painter.drawText(option.rect, 0, QString(data))
- def __initRoot(self):
- self.rootItem = TreeItem([QString("Testbed"), QString("Hostname")])
+ else:
+ painter.setPen(QColor.fromRgb(0, 0, 0))
+ painter.drawText(option.rect, 0, QString(data))
- def columnCount(self, parent):
- if parent.isValid():
- return parent.internalPointer().columnCount()
else:
- return self.rootItem.columnCount()
+ if status_data == tag_status['in']: # already in the slice
+ painter.fillPath(path, QColor("cyan"))
+ painter.setPen(QColor.fromRgb(0, 0, 0))
+ painter.drawText(option.rect, 0, QString(data))
- def data(self, index, role):
- if not index.isValid():
- return QVariant()
+ elif status_data == tag_status['add']: # newly added to the slice
+ painter.fillPath(path, QColor.fromRgb(0, 250, 0))
+ painter.setPen(QColor.fromRgb(0, 0, 0))
+ painter.drawText(option.rect, 0, QString(data))
- if role != Qt.DisplayRole:
- return QVariant()
+ elif status_data == tag_status['remove']: # removed from the slice
+ painter.fillPath(path, QColor.fromRgb(250, 0, 0))
+ painter.setPen(QColor.fromRgb(0, 0, 0))
+ painter.drawText(option.rect, 0, QString(data))
- item = index.internalPointer()
- return item.data(index.column())
+ else:
+ painter.setPen(QColor.fromRgb(0, 0, 0))
+ painter.drawText(option.rect, 0, QString(data))
- def headerData(self, section, orientation, role):
- if orientation == Qt.Horizontal and role == Qt.DisplayRole:
- return self.rootItem.data(section)
- return QVariant()
+ painter.restore()
- def flags(self, index):
- if not index.isValid():
- return 0
- return Qt.ItemIsEnabled | Qt.ItemIsSelectable
-
- def index(self, row, column, parent):
- if not self.hasIndex(row, column, parent):
- return QModelIndex()
+class SliceWidget(QWidget):
+ def __init__(self, parent):
+ QWidget.__init__(self, parent)
- parentItem = None
- if not parent.isValid():
- parentItem = self.rootItem
- else:
- parentItem = parent.internalPointer()
-
- childItem = parentItem.child(row)
- if childItem:
- return self.createIndex(row, column, childItem)
- else:
- return QModelIndex()
+ self.network_names = []
+ self.process = SfiProcess(self)
- def parent(self, index):
- if not index.isValid():
- return QModelIndex()
+ self.slicename = QLabel("", self)
+ self.updateSliceName()
+ self.slicename.setScaledContents(False)
+ searchlabel = QLabel ("Search: ", self)
+ searchlabel.setScaledContents(False)
+ searchbox = QLineEdit(self)
+ searchbox.setAttribute(Qt.WA_MacShowFocusRect, 0)
- childItem = index.internalPointer()
- parentItem = childItem.parent()
+ toplayout = QHBoxLayout()
+ toplayout.addWidget(self.slicename, 0, Qt.AlignLeft)
+ toplayout.addStretch()
+ toplayout.addWidget(searchlabel, 0, Qt.AlignRight)
+ toplayout.addWidget(searchbox, 0, Qt.AlignRight)
- if not parentItem:
- return QModelIndex()
+ self.nodeView = NodeView(self)
+ self.nodeModel = QStandardItemModel(0, 2, self)
+ self.filterModel = QSortFilterProxyModel(self) # enable filtering
- if parentItem is self.rootItem:
- return QModelIndex()
+ self.nodeNameDelegate = NodeNameDelegate(self)
- return self.createIndex(parentItem.row(), 0, parentItem)
+ refresh = QPushButton("Update Slice Data", self)
+ refresh.setSizePolicy(QSizePolicy.Maximum, QSizePolicy.Maximum)
+ submit = QPushButton("Submit", self)
+ submit.setSizePolicy(QSizePolicy.Maximum, QSizePolicy.Maximum)
- def rowCount(self, parent):
- if parent.column() > 0:
- return 0
+ bottomlayout = QHBoxLayout()
+ bottomlayout.addWidget(refresh, 0, Qt.AlignLeft)
+ bottomlayout.addStretch()
+ bottomlayout.addWidget(submit, 0, Qt.AlignRight)
- parentItem = None
- if not parent.isValid():
- parentItem = self.rootItem
- else:
- parentItem = parent.internalPointer()
+ layout = QVBoxLayout()
+ layout.addLayout(toplayout)
+ layout.addWidget(self.nodeView)
+ layout.addLayout(bottomlayout)
+ self.setLayout(layout)
+ self.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
- return parentItem.childCount()
+ self.connect(refresh, SIGNAL('clicked()'), self.refresh)
+ self.connect(submit, SIGNAL('clicked()'), self.submit)
+ self.connect(searchbox, SIGNAL('textChanged(QString)'), self.filter)
+ self.connect(self.nodeView, SIGNAL('hostnameClicked(QString)'),
+ self.nodeSelectionChanged)
+ self.updateView()
-class SliceWidget(QWidget):
- def __init__(self, parent):
- QWidget.__init__(self, parent)
+ def submitFinished(self):
+ self.setStatus("<font color='green'>Slice data submitted.</font>")
+ QTimer.singleShot(1000, self.refresh)
- self.nodeView = NodeView(self)
- self.nodeModel = NodeModel(self)
- self.nodeView.setModel(self.nodeModel)
+ def refreshFinished(self):
+ self.setStatus("<font color='green'>Slice data updated.</font>", timeout=5000)
+ self.updateView()
+ self.parent().signalAll("rspecUpdated")
- refresh = QLabel("<a href='refresh'>Refresh</a>", self)
- refresh.setScaledContents(False)
- slicename = QLabel ("Slice : %s"%(config.getSlice() or "None"),self)
- slicename.setScaledContents(False)
+ def readSliceRSpec(self):
+ rspec_file = config.getSliceRSpecFile()
+ if os.path.exists(rspec_file):
+ xml = open(rspec_file).read()
+ return RSpec(xml)
+ return None
+
+ def setStatus(self, msg, timeout=None):
+ self.parent().setStatus(msg, timeout)
+
+ def checkRunningProcess(self):
+ if self.process.isRunning():
+ self.setStatus("<font color='red'>There is already a process running. Please wait.</font>")
+ return True
+ return False
+
+ def filter(self, filter_string):
+ # for hierarchical models QSortFilterProxyModel applies the
+ # sort recursively. if the parent doesn't match the criteria
+ # we won't be able to match the children. so we need to match
+ # parent (by matching the network_names)
+ networks = ["^%s$" % n for n in self.network_names]
+ filters = networks + [str(filter_string)]
+ self.filterModel.setFilterRegExp(QRegExp('|'.join(filters)))
+
+ def itemStatus(self, item):
+ statusItem = item.parent().child(item.row(), 1)
+ return statusItem.data(Qt.DisplayRole).toString()
+
+ def itemText(self, item):
+ return item.data(Qt.DisplayRole).toString()
+
+ # Recursively walk the tree, making changes to the RSpec
+ def process_subtree(self, rspec, item, depth = 0):
+ change = False
+ model = self.nodeModel
+
+ if depth in [0, 1]:
+ pass
+ elif depth == 2: # Hostname
+ hostname = self.itemText(item)
+ testbed = self.itemText(item.parent())
+ status = self.itemStatus(item)
+ if status == node_status['add']:
+ print "Add hostname: %s" % hostname
+ rspec.add_sliver(hostname, testbed)
+ change = True
+ elif status == node_status['remove']:
+ print "Remove hostname: %s" % hostname
+ rspec.remove_sliver(hostname, testbed)
+ change = True
+ elif depth == 3: # Tag
+ tag, value = self.itemText(item).split(": ")
+ status = self.itemStatus(item)
+ tag = "%s" % tag # Prevent weird error from lxml
+ value = "%s" % value # Prevent weird error from lxml
+ node = self.itemText(item.parent())
+ testbed = self.itemText(item.parent().parent())
+ if status == tag_status['add']:
+ print "Add tag to (%s, %s): %s/%s " % (testbed, node, tag, value)
+ if node.startsWith(default_tags):
+ rspec.add_default_sliver_attribute(tag, value, testbed)
+ else:
+ rspec.add_sliver_attribute(node, tag, value, testbed)
+ change = True
+ elif status == tag_status['remove']:
+ print "Remove tag from (%s, %s): %s/%s " % (testbed, node, tag, value)
+ if node.startsWith(default_tags):
+ rspec.remove_default_sliver_attribute(tag, value, testbed)
+ else:
+ rspec.remove_sliver_attribute(node, tag, value, testbed)
+ change = True
+
+ children = item.rowCount()
+ for row in range(0, children):
+ status = self.process_subtree(rspec, item.child(row), depth + 1)
+ change = change or status
+
+ return change
+
+ def submit(self):
+ if self.checkRunningProcess():
+ return
- hlayout = QHBoxLayout()
- hlayout.addWidget(slicename)
- hlayout.addStretch()
- hlayout.addWidget(refresh)
+ rspec = self.readSliceRSpec()
+ change = self.process_subtree(rspec, self.nodeModel.invisibleRootItem())
- layout = QVBoxLayout()
- layout.addLayout(hlayout)
- layout.addWidget(self.nodeView)
- self.setLayout(layout)
- self.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
+ if not change:
+ self.setStatus("<font color=red>No change in slice data. Not submitting!</font>", timeout=3000)
+ return
- self.connect(refresh, SIGNAL('linkActivated(QString)'), self.refresh)
+ self.disconnect(self.process, SIGNAL('finished()'), self.refreshFinished)
+ self.connect(self.process, SIGNAL('finished()'), self.submitFinished)
- rspec_file = os.path.expanduser("~/.sfi/%s.rspec" % config.getSlice())
- if os.path.exists(rspec_file):
- self.updateView()
+ self.process.applyRSpec(rspec)
+ self.setStatus("Sending slice data (RSpec). This will take some time...")
- def readSliceRSpec(self):
- rspec_file = os.path.expanduser("~/.sfi/%s.rspec" % config.getSlice())
- xml = open(rspec_file).read()
- return xml
- def refresh(self, link=None):
+ def refresh(self):
if not config.getSlice():
- self.parent().setStatus("<font color='red'>Slice not set yet!</font>")
+ self.setStatus("<font color='red'>Slice not set yet!</font>")
return
- self.process = SfiProcess()
- outfile = self.process.getRSpecFromSM()
- self.parent().setStatus("Updating slice data. This may take some time...")
-
+ if self.process.isRunning():
+ self.setStatus("<font color='red'>There is already a process running. Please wait.</font>")
+ return
+
+ self.disconnect(self.process, SIGNAL('finished()'), self.submitFinished)
self.connect(self.process, SIGNAL('finished()'), self.refreshFinished)
- def refreshFinished(self):
- del self.process
- self.parent().setStatus("<font color='green'>Slice data updated.</font>")
- self.updateView()
+ self.process.getRSpecFromSM()
+ self.setStatus("Updating slice data. This will take some time...")
def updateView(self):
+ global already_in_nodes
+ already_in_nodes = []
+ self.network_names = []
self.nodeModel.clear()
- rspec_string = self.readSliceRSpec()
- networks = rspec_get_networks(rspec_string)
-
- for network in networks:
- networkItem = TreeItem([QString(network), QString("")], self.nodeModel.rootItem)
- all_nodes = rspec_get_nodes_from_network(rspec_string, network)
- for node in all_nodes:
- nodeItem = TreeItem([QString(""), QString(node)], networkItem)
- networkItem.appendChild(nodeItem)
-
- self.nodeModel.rootItem.appendChild(networkItem)
+ rspec = self.readSliceRSpec()
+ if not rspec:
+ return None
+ rootItem = self.nodeModel.invisibleRootItem()
+ networks = rspec.get_network_list()
+ for network in networks:
+ self.network_names.append(network)
+ networkItem = QStandardItem(QString(network))
+ rootItem.appendRow([networkItem, QStandardItem(QString(""))])
+
+ all_nodes = rspec.get_node_list(network)
+ sliver_nodes = rspec.get_sliver_list(network)
+ available_nodes = filter(lambda x:x not in sliver_nodes, all_nodes)
+
+ already_in_nodes += sliver_nodes
+
+ # Add default slice tags
+ nodeItem = QStandardItem(QString("%s for %s" % (default_tags, network)))
+ statusItem = QStandardItem(QString(""))
+ networkItem.appendRow([nodeItem, statusItem])
+ attrs = rspec.get_default_sliver_attributes(network)
+ for (name, value) in attrs:
+ tagstring = QString("%s: %s" % (name, value))
+ tagItem = QStandardItem(tagstring)
+ status = QStandardItem(QString(tag_status['in']))
+ nodeItem.appendRow([tagItem, status])
+
+ for node in sliver_nodes:
+ nodeItem = QStandardItem(QString(node))
+ statusItem = QStandardItem(QString(node_status['in']))
+ networkItem.appendRow([nodeItem, statusItem])
+
+ attrs = rspec.get_sliver_attributes(node, network)
+ for (name, value) in attrs:
+ tagstring = QString("%s: %s" % (name, value))
+ tagItem = QStandardItem(tagstring)
+ statusItem = QStandardItem(QString(tag_status['in']))
+ nodeItem.appendRow([tagItem, statusItem])
+
+ for node in available_nodes:
+ nodeItem = QStandardItem(QString(node))
+ statusItem = QStandardItem(QString(node_status['out']))
+ networkItem.appendRow([nodeItem, statusItem])
+
+ self.filterModel.setSourceModel(self.nodeModel)
+ self.filterModel.setFilterKeyColumn(-1)
+ self.filterModel.setDynamicSortFilter(True)
+
+ headers = QStringList() << "Hostname or Tag" << "Status"
+ self.nodeModel.setHorizontalHeaderLabels(headers)
+
+ self.nodeView.setItemDelegateForColumn(0, self.nodeNameDelegate)
+ self.nodeView.setModel(self.filterModel)
self.nodeView.expandAll()
+ self.nodeView.resizeColumnToContents(0)
+ self.nodeView.collapseAll()
+
+ def updateSliceName(self):
+ self.slicename.setText("Slice : %s" % (config.getSlice() or "None"))
+ def nodeSelectionChanged(self, hostname):
+ self.parent().nodeSelectionChanged(hostname)
class MainScreen(SfaScreen):
def __init__(self, parent):
SfaScreen.__init__(self, parent)
slice = SliceWidget(self)
- self.init(slice, "Main Window", "PlanetLab Federation GUI")
+ self.init(slice, "Main Window", "OneLab Federation GUI")
+
+ def rspecUpdated(self):
+ self.mainwin.rspecWindow.updateView()
+
+ def configurationChanged(self):
+ self.widget.updateSliceName()
+ self.widget.updateView()
+ self.mainwin.rspecWindow.updateView()
+
+ def nodeSelectionChanged(self, hostname):
+ self.mainwin.nodeSelectionChanged(hostname)