Initial commit of manager app
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berrange@roquette.boston.redhat.com
commit
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#!/usr/bin/python
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import gtk
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import gobject
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import gtk.gdk
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import gtk.glade
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import re
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import os
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import os.path
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import libvirt
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tickrate = 5000
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# Ought not to hardcode stuff as being in /usr
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gladedir = "/usr/share/gnome-vm-manager"
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# Hack for dev purposes
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if os.path.exists("./gnome-vm-manager.glade"):
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gladedir = "."
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class vmmAbout:
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def __init__(self):
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self.window = gtk.glade.XML(gladedir + "/gnome-vm-manager.glade", "vm-about")
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self.window.get_widget("vm-about").hide()
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def show(self):
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dialog = self.window.get_widget("vm-about")
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dialog.set_version("0.1")
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dialog.show_all()
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class vmmManager:
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def __init__(self):
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self.window = gtk.glade.XML(gladedir + "/gnome-vm-manager.glade", "vm-manager")
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self.vmm = libvirt.openReadOnly(None)
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#self.vmm = libvirt.open(None)
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self.stats = {}
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self.record_stats()
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self.populate_vms()
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self.tickrate = 5000
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self.about = None;
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self.timer = gobject.timeout_add(self.tickrate, self.refresh_stats)
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self.window.signal_autoconnect({
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"on_menu_view_status_activate" : self.toggle_status_column,
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"on_menu_view_cpu_usage_activate" : self.toggle_cpu_column,
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"on_menu_view_memory_usage_activate" : self.toggle_memory_column,
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"on_menu_view_disk_usage_activate" : self.toggle_disk_column,
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"on_menu_view_network_traffic_activate" : self.toggle_network_column,
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"on_vm_manager_delete_event": self.exit_app,
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"on_menu_file_quit_activate": self.exit_app,
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"on_vmm_close_clicked": self.exit_app,
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"on_menu_help_about_activate": self.show_about,
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})
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def exit_app(self, ignore=None,ignore2=None):
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gtk.main_quit()
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def show_about(self, ignore=None):
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if self.about == None:
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self.about = vmmAbout()
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self.about.show()
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def refresh_stats(self):
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self.record_stats()
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self.timer = gobject.timeout_add(self.tickrate, self.refresh_stats)
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vmlist = self.window.get_widget("vm-list")
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model = vmlist.get_model()
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print "Refresh " + str(model.iter_n_children(None))
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for row in range(model.iter_n_children(None)):
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model.row_changed(str(row), model.iter_nth_child(None, row))
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def record_stats(self):
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print "Record"
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doms = self.vmm.listDomainsID()
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if doms != None:
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for id in self.vmm.listDomainsID():
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vm = self.vmm.lookupByID(id)
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info = vm.info()
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name = vm.name()
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if not(self.stats.has_key(name)):
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self.stats[name] = []
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if len(self.stats[name]) > 4:
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self.stats[name] = (self.stats[name])[1:len(self.stats[name])]
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self.stats[name].append(info)
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# XXX why is max-mem wrong for Domain-0 when run as root ?!?!?!
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#print info
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def populate_vms(self):
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vmlist = self.window.get_widget("vm-list")
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model = gtk.ListStore(str)
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vmlist.set_model(model)
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nameCol = gtk.TreeViewColumn("Name")
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statusCol = gtk.TreeViewColumn("Status")
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cpuUsageCol = gtk.TreeViewColumn("CPU usage")
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memoryUsageCol = gtk.TreeViewColumn("Memory usage")
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diskUsageCol = gtk.TreeViewColumn("Disk usage")
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networkUsageCol = gtk.TreeViewColumn("Network traffic")
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name_txt = gtk.CellRendererText()
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nameCol.pack_start(name_txt, True)
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nameCol.add_attribute(name_txt, 'text', 0)
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vmlist.append_column(nameCol)
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vmlist.append_column(statusCol)
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vmlist.append_column(cpuUsageCol)
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vmlist.append_column(memoryUsageCol)
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vmlist.append_column(diskUsageCol)
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vmlist.append_column(networkUsageCol)
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status_txt = gtk.CellRendererText()
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statusCol.pack_start(status_txt, True)
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statusCol.set_cell_data_func(status_txt, self.status_text, None)
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cpuUsage_txt = gtk.CellRendererText()
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cpuUsageCol.pack_start(cpuUsage_txt, True)
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cpuUsageCol.set_cell_data_func(cpuUsage_txt, self.cpu_usage_text, None)
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memoryUsage_txt = gtk.CellRendererText()
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memoryUsageCol.pack_start(memoryUsage_txt, True)
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memoryUsageCol.set_cell_data_func(memoryUsage_txt, self.memory_usage_text, None)
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diskUsage_txt = gtk.CellRendererText()
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diskUsageCol.pack_start(diskUsage_txt, True)
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diskUsageCol.set_cell_data_func(diskUsage_txt, self.disk_usage_text, None)
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networkUsage_txt = gtk.CellRendererText()
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networkUsageCol.pack_start(networkUsage_txt, True)
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networkUsageCol.set_cell_data_func(networkUsage_txt, self.network_usage_text, None)
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doms = self.vmm.listDomainsID()
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if doms != None:
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for id in self.vmm.listDomainsID():
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vm = self.vmm.lookupByID(id)
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model.append([vm.name()])
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def toggle_status_column(self,menu):
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vmlist = self.window.get_widget("vm-list")
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col = vmlist.get_column(1)
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col.set_visible(menu.get_active())
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def toggle_cpu_column(self,menu):
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vmlist = self.window.get_widget("vm-list")
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col = vmlist.get_column(2)
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col.set_visible(menu.get_active())
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def toggle_memory_column(self,menu):
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vmlist = self.window.get_widget("vm-list")
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col = vmlist.get_column(3)
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col.set_visible(menu.get_active())
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def toggle_disk_column(self,menu):
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vmlist = self.window.get_widget("vm-list")
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col = vmlist.get_column(4)
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col.set_visible(menu.get_active())
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def toggle_network_column(self,menu):
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vmlist = self.window.get_widget("vm-list")
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col = vmlist.get_column(5)
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col.set_visible(menu.get_active())
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def status_text(self, column, cell, model, iter, data):
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name = model.get_value(iter, 0)
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statusRecord = self.stats[name]
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info = statusRecord[len(statusRecord)-1]
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if info[0] == libvirt.VIR_DOMAIN_NOSTATE:
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cell.set_property('text', "Unknown")
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elif info[0] == libvirt.VIR_DOMAIN_RUNNING:
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cell.set_property('text', "Running")
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elif info[0] == libvirt.VIR_DOMAIN_BLOCKED:
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cell.set_property('text', "Blocked")
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elif info[0] == libvirt.VIR_DOMAIN_PAUSED:
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cell.set_property('text', "Paused")
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elif info[0] == libvirt.VIR_DOMAIN_SHUTDOWN:
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cell.set_property('text', "Shutdown")
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elif info[0] == libvirt.VIR_DOMAIN_SHUTOFF:
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cell.set_property('text', "Shutoff")
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elif info[0] == libvirt.VIR_DOMAIN_CRASHED:
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cell.set_property('text', "Crashed")
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def cpu_usage_text(self, column, cell, model, iter, data):
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name = model.get_value(iter, 0)
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statusRecord = self.stats[name]
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nSample = len(statusRecord)
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if nSample < 2:
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cell.set_property('text', "-")
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else:
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total = 0
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for dom in self.stats.keys():
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last = self.stats[dom][len(self.stats[dom])-2]
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current = self.stats[dom][len(self.stats[dom])-1]
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total += current[4] - last[4]
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last = statusRecord[len(statusRecord)-2]
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current = statusRecord[len(statusRecord)-1]
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fraction = current[4] - last[4]
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percentage = fraction * 100.0 / total
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cell.set_property('text',"%2.2f %%" % percentage)
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def memory_usage_text(self, column, cell, model, iter, data):
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name = model.get_value(iter, 0)
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statusRecord = self.stats[name]
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current = statusRecord[len(statusRecord)-1]
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cell.set_property('text', "%s of %s" % (self.pretty_mem(current[2]), self.pretty_mem(current[1])))
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#cell.set_property('text', self.pretty_mem(current[2]))
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def pretty_mem(self, mem):
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if mem > (1024*1024):
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return "%2.2f GB" % (mem/(1024.0*1024.0))
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else:
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return "%2.2f MB" % (mem/1024.0)
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def disk_usage_text(self, column, cell, model, iter, data):
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#cell.set_property('text', "600 MB of 1 GB")
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cell.set_property('text', "-")
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def network_usage_text(self, column, cell, model, iter, data):
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#cell.set_property('text', "100 bytes/sec")
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cell.set_property('text', "-")
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# Run me!
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def main():
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window = vmmManager()
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gtk.main()
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if __name__ == "__main__":
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main()
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