X-Git-Url: http://git.onelab.eu/?p=sface.git;a=blobdiff_plain;f=sface%2Fscreens%2Fmainscreen.py;h=0cdb3dab12c7c8b0c8feb3b302c78d5f9fbea852;hp=15f0ed019aa261b662c8cb1ff0e56b4e242ab697;hb=90a6da70989aabd72a5bd813d5c9c0539c4f0c11;hpb=69b247b9b7075f35257193dbb7df919ce6befa9e diff --git a/sface/screens/mainscreen.py b/sface/screens/mainscreen.py index 15f0ed0..0cdb3da 100644 --- a/sface/screens/mainscreen.py +++ b/sface/screens/mainscreen.py @@ -4,105 +4,460 @@ from PyQt4.QtCore import * 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 + + # 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) + + + +class NodeNameDelegate(QStyledItemDelegate): + def __init__(self, parent): + QStyledItemDelegate.__init__(self, parent) + + def paint(self, painter, option, index): + model = index.model() + status_index = model.index(index.row(), 1, index.parent()) + status_data = status_index.data().toString() + + fm = QFontMetrics(option.font) + rect = option.rect + + 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) + + x, y, h, w = rect.x(), rect.y(), rect.height(), rect.width() + + 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)) + + 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)) + + 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)) + + else: + painter.setPen(QColor.fromRgb(0, 0, 0)) + painter.drawText(option.rect, 0, QString(data)) + + else: + 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)) + + 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)) + + 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)) + + else: + painter.setPen(QColor.fromRgb(0, 0, 0)) + painter.drawText(option.rect, 0, QString(data)) + + painter.restore() class SliceWidget(QWidget): def __init__(self, parent): QWidget.__init__(self, parent) - self.nodeView = QTreeView(self) - self.nodeView.setRootIsDecorated(False) - self.nodeView.setAlternatingRowColors(True) - self.nodeView.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding) + self.network_names = [] + self.process = SfiProcess(self) + + 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) - self.nodeModel = QStandardItemModel(0, 3, self) - self.nodeModel.setHeaderData(0, Qt.Horizontal, QString("Testbed")) - self.nodeModel.setHeaderData(1, Qt.Horizontal, QString("Hostname")) - self.nodeModel.setHeaderData(2, Qt.Horizontal, QString("IsIn")) + toplayout = QHBoxLayout() + toplayout.addWidget(self.slicename, 0, Qt.AlignLeft) + toplayout.addStretch() + toplayout.addWidget(searchlabel, 0, Qt.AlignRight) + toplayout.addWidget(searchbox, 0, Qt.AlignRight) - self.nodeView.setModel(self.nodeModel) + self.nodeView = NodeView(self) + self.nodeModel = QStandardItemModel(0, 2, self) + self.filterModel = QSortFilterProxyModel(self) # enable filtering - refresh = QLabel("Refresh", self) - refresh.setScaledContents(False) - slicename = QLabel ("Slice : %s"%(config.getSlice() or "None"),self) - slicename.setScaledContents(False) + self.nodeNameDelegate = NodeNameDelegate(self) - hlayout = QHBoxLayout() - hlayout.addWidget(slicename) - hlayout.addStretch() - hlayout.addWidget(refresh) + refresh = QPushButton("Update Slice Data", self) + refresh.setSizePolicy(QSizePolicy.Maximum, QSizePolicy.Maximum) + submit = QPushButton("Submit", self) + submit.setSizePolicy(QSizePolicy.Maximum, QSizePolicy.Maximum) + + bottomlayout = QHBoxLayout() + bottomlayout.addWidget(refresh, 0, Qt.AlignLeft) + bottomlayout.addStretch() + bottomlayout.addWidget(submit, 0, Qt.AlignRight) layout = QVBoxLayout() - layout.addLayout(hlayout) + layout.addLayout(toplayout) layout.addWidget(self.nodeView) + layout.addLayout(bottomlayout) self.setLayout(layout) self.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding) - self.connect(refresh, SIGNAL('linkActivated(QString)'), self.refresh) + 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) - rspec_file = os.path.expanduser("~/.sfi/%s.rspec" % config.getSlice()) + self.updateView() + + def submitFinished(self): + self.setStatus("Slice data submitted.") + QTimer.singleShot(1000, self.refresh) + + def refreshFinished(self): + self.setStatus("Slice data updated.", timeout=5000) + self.updateView() + self.parent().signalAll("rspecUpdated") + + def readSliceRSpec(self): + rspec_file = config.getSliceRSpecFile() if os.path.exists(rspec_file): - self.updateView() + 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("There is already a process running. Please wait.") + 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 + + rspec = self.readSliceRSpec() + change = self.process_subtree(rspec, self.nodeModel.invisibleRootItem()) + + if not change: + self.setStatus("No change in slice data. Not submitting!", timeout=3000) + return + + self.disconnect(self.process, SIGNAL('finished()'), self.refreshFinished) + self.connect(self.process, SIGNAL('finished()'), self.submitFinished) + + 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("Slice not set yet!") + self.setStatus("Slice not set yet!") 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("There is already a process running. Please wait.") + 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("Slice data updated.") - self.updateView() + self.process.getRSpecFromSM() + self.setStatus("Updating slice data. This will take some time...") def updateView(self): - rspec_string = self.readSliceRSpec() - networks = rspec_get_networks(rspec_string) - networks.reverse() + global already_in_nodes + already_in_nodes = [] + self.network_names = [] + self.nodeModel.clear() + + rspec = self.readSliceRSpec() + if not rspec: + return None + rootItem = self.nodeModel.invisibleRootItem() + networks = rspec.get_network_list() for network in networks: -# nodes = self.rspec_get_sliver_nodes_from_network(rspec_string, network) -# for node in nodes: self.addNode(network, node, True) -# nodes = self.rspec_get_other_nodes_from_network(rspec_string, network) -# for node in nodes: self.addNode(network, node, False) - # hacky - i'm just gettin used to this xml navigation stuff - xml_nodes = rspec_get_xml_nodes_from_network(rspec_string, network) - from lxml import etree - # addNode inserts before, so let's start with the ones that are not in - for xml_node in xml_nodes: - if not xml_node.xpath('sliver'): - self.addNode(network, xml_node.xpath('hostname/text()')[0],False) - for xml_node in xml_nodes: - if xml_node.xpath('sliver'): - self.addNode(network, xml_node.xpath('hostname/text()')[0],True) - + 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 - def addNode(self, testbed, hostname, mark): - self.nodeModel.insertRow(0) - self.nodeModel.setData(self.nodeModel.index(0,0), QString(testbed)) - self.nodeModel.setData(self.nodeModel.index(0,1), QString(hostname)) - if mark:msg="x" - else: msg="-" - self.nodeModel.setData(self.nodeModel.index(0,2), QString(msg)) + # 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)