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Warning on shutting down a VM that attached blk devices to other VMs

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This commit is contained in:
Agnieszka Kostrzewa 2012-05-25 13:59:58 +02:00
parent 42828835cc
commit d2a75bae4c
2 changed files with 20 additions and 2 deletions
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3
qubesmanager/backup.py
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@ -182,6 +182,9 @@ class BackupVMsWindow(Ui_Backup, QWizard):
if len(vms) == 0:
return;
for vm in vms:
self.blk_manager.check_if_serves_as_backend(vm)
reply = QMessageBox.question(None, "VM Shutdown Confirmation",
"Are you sure you want to power down the following VMs: <b>{0}</b>?<br>"
"<small>This will shutdown all the running applications within them.</small>".format(', '.join(names)),

19
qubesmanager/main.py
View File

@ -1218,6 +1218,8 @@ class VmManagerWindow(Ui_VmManagerWindow, QMainWindow):
vm = self.get_selected_vm()
assert vm.is_running()
self.blk_manager.check_if_serves_as_backend(vm)
reply = QMessageBox.question(None, "VM Shutdown Confirmation",
"Are you sure you want to power down the VM <b>'{0}'</b>?<br>"
"<small>This will shutdown all the running applications within this VM.</small>".format(vm.name),
@ -1554,7 +1556,7 @@ class VmManagerWindow(Ui_VmManagerWindow, QMainWindow):
if self.blk_menu.isEmpty():
self.blk_menu.setEnabled(False)
self.context_menu.exec_(self.table.mapToGlobal(point))
@pyqtSlot('QAction *')
@ -1576,7 +1578,7 @@ class VmManagerWindow(Ui_VmManagerWindow, QMainWindow):
self.blk_manager.attach_device(vm, dev)
self.blk_manager.blk_lock.release()
class QubesBlockDevicesManager():
def __init__(self, qvm_collection):
self.qvm_collection = qvm_collection
@ -1689,6 +1691,19 @@ class QubesBlockDevicesManager():
vm_xid = self.attached_devs[dev_name]['attached_to']['xid']
trayIcon.showMessage ("Qubes VM Manager", "{0} - detaching {1}".format(vm.name, dev_name), msecs=3000)
qubesutils.block_detach(None, dev_id, vm_xid)
def check_if_serves_as_backend(self, vm):
serves_for = []
for d in self.attached_devs:
if self.attached_devs[d]['backend_name'] == vm.name:
serves_for.append((self.attached_devs[d]['dev'], self.attached_devs[d]['attached_to']['vm']))
if len(serves_for) > 0:
msg = "VM <b>" + vm.name + "</b> attaches block devices to other VMs: "
msg += ', '.join(["<b>"+v+"</b>("+d+")" for (d,v) in serves_for ])
msg += ".<br><br> Shutting the VM down will dettach the devices from them."
QMessageBox.warning (None, "Warning!", msg)
class QubesTrayIcon(QSystemTrayIcon):