virt-manager/virtManager/vmmenu.py

332 lines
12 KiB
Python

# Copyright (C) 2009, 2013, 2014 Red Hat, Inc.
# Copyright (C) 2009 Cole Robinson <crobinso@redhat.com>
#
# This work is licensed under the GNU GPLv2 or later.
# See the COPYING file in the top-level directory.
import logging
from gi.repository import Gtk
from .asyncjob import vmmAsyncJob
####################################################################
# Build toolbar shutdown button menu (manager and details toolbar) #
####################################################################
class _VMMenu(Gtk.Menu):
def __init__(self, src, current_vm_cb, show_open=True):
Gtk.Menu.__init__(self)
self._parent = src
self._current_vm_cb = current_vm_cb
self._show_open = show_open
self._init_state()
def _add_action(self, label, widgetname, cb,
iconname="system-shutdown"):
if label.startswith("gtk-"):
item = Gtk.ImageMenuItem.new_from_stock(label, None)
else:
item = Gtk.ImageMenuItem.new_with_mnemonic(label)
if iconname:
if iconname.startswith("gtk-"):
icon = Gtk.Image.new_from_stock(iconname, Gtk.IconSize.MENU)
else:
icon = Gtk.Image.new_from_icon_name(iconname,
Gtk.IconSize.MENU)
item.set_image(icon)
item.vmm_widget_name = widgetname
if cb:
def _cb(_menuitem):
_vm = self._current_vm_cb()
if _vm:
return cb(self._parent, _vm)
item.connect("activate", _cb)
self.add(item)
return item
def _init_state(self):
raise NotImplementedError()
def update_widget_states(self, vm):
raise NotImplementedError()
class VMShutdownMenu(_VMMenu):
"""
Shutdown submenu for reboot, forceoff, reset, etc.
"""
def _init_state(self):
self._add_action(_("_Reboot"), "reboot", VMActionUI.reboot)
self._add_action(_("_Shut Down"), "shutdown", VMActionUI.shutdown)
self._add_action(_("F_orce Reset"), "reset", VMActionUI.reset)
self._add_action(_("_Force Off"), "destroy", VMActionUI.destroy)
self.add(Gtk.SeparatorMenuItem())
self._add_action(_("Sa_ve"), "save", VMActionUI.save,
iconname=Gtk.STOCK_SAVE)
self.show_all()
def update_widget_states(self, vm):
statemap = {
"reboot": bool(vm and vm.is_stoppable()),
"shutdown": bool(vm and vm.is_stoppable()),
"reset": bool(vm and vm.is_stoppable()),
"destroy": bool(vm and vm.is_destroyable()),
"save": bool(vm and vm.is_destroyable()),
}
for child in self.get_children():
name = getattr(child, "vmm_widget_name", None)
if name in statemap:
child.set_sensitive(statemap[name])
if name == "reset":
child.set_tooltip_text(None)
if vm and not vm.conn.check_support(
vm.conn.SUPPORT_CONN_DOMAIN_RESET):
child.set_tooltip_text(_("Hypervisor does not support "
"domain reset."))
child.set_sensitive(False)
class VMActionMenu(_VMMenu):
"""
VM submenu for run, pause, shutdown, clone, etc
"""
def _init_state(self):
self._add_action(_("_Run"), "run", VMActionUI.run,
iconname=Gtk.STOCK_MEDIA_PLAY)
self._add_action(_("_Pause"), "suspend", VMActionUI.suspend,
Gtk.STOCK_MEDIA_PAUSE)
self._add_action(_("R_esume"), "resume", VMActionUI.resume,
Gtk.STOCK_MEDIA_PAUSE)
s = self._add_action(_("_Shut Down"), "shutdown", None)
s.set_submenu(VMShutdownMenu(self._parent, self._current_vm_cb))
self.add(Gtk.SeparatorMenuItem())
self._add_action(_("Clone..."), "clone",
VMActionUI.clone, iconname=None)
self._add_action(_("Migrate..."), "migrate",
VMActionUI.migrate, iconname=None)
self._add_action(_("_Delete"), "delete",
VMActionUI.delete, iconname=Gtk.STOCK_DELETE)
if self._show_open:
self.add(Gtk.SeparatorMenuItem())
self._add_action(Gtk.STOCK_OPEN, "show",
VMActionUI.show, iconname=None)
self.show_all()
def update_widget_states(self, vm):
statemap = {
"run": bool(vm and vm.is_runable()),
"shutdown": bool(vm and vm.is_stoppable()),
"suspend": bool(vm and vm.is_stoppable()),
"resume": bool(vm and vm.is_paused()),
"migrate": bool(vm and vm.is_stoppable()),
"clone": bool(vm and vm.is_clonable()),
}
vismap = {
"suspend": bool(vm and not vm.is_paused()),
"resume": bool(vm and vm.is_paused()),
}
for child in self.get_children():
name = getattr(child, "vmm_widget_name", None)
if child.get_submenu():
child.get_submenu().update_widget_states(vm)
if name in statemap:
child.set_sensitive(statemap[name])
if name in vismap:
child.set_visible(vismap[name])
def change_run_text(self, text):
for child in self.get_children():
if getattr(child, "vmm_widget_name", None) == "run":
child.get_child().set_label(text)
class VMActionUI(object):
"""
Singleton object for handling VM actions, asking for confirmation,
showing errors/progress dialogs, etc.
"""
@staticmethod
def save_cancel(asyncjob, vm):
logging.debug("Cancelling save job")
if not vm:
return
try:
vm.abort_job()
except Exception as e:
logging.exception("Error cancelling save job")
asyncjob.show_warning(_("Error cancelling save job: %s") % str(e))
return
asyncjob.job_canceled = True
return
@staticmethod
def save(src, vm):
if not src.err.chkbox_helper(src.config.get_confirm_poweroff,
src.config.set_confirm_poweroff,
text1=_("Are you sure you want to save '%s'?") % vm.get_name()):
return
_cancel_cb = None
if vm.getjobinfo_supported:
_cancel_cb = (VMActionUI.save_cancel, vm)
def cb(asyncjob):
vm.save(meter=asyncjob.get_meter())
def finish_cb(error, details):
if error is not None:
error = _("Error saving domain: %s") % error
src.err.show_err(error, details=details)
progWin = vmmAsyncJob(cb, [],
finish_cb, [],
_("Saving Virtual Machine"),
_("Saving virtual machine memory to disk "),
src.topwin, cancel_cb=_cancel_cb)
progWin.run()
@staticmethod
def destroy(src, vm):
if not src.err.chkbox_helper(
src.config.get_confirm_forcepoweroff,
src.config.set_confirm_forcepoweroff,
text1=_("Are you sure you want to force poweroff '%s'?" %
vm.get_name()),
text2=_("This will immediately poweroff the VM without "
"shutting down the OS and may cause data loss.")):
return
logging.debug("Destroying vm '%s'", vm.get_name())
vmmAsyncJob.simple_async_noshow(vm.destroy, [], src,
_("Error shutting down domain"))
@staticmethod
def suspend(src, vm):
if not src.err.chkbox_helper(src.config.get_confirm_pause,
src.config.set_confirm_pause,
text1=_("Are you sure you want to pause '%s'?" %
vm.get_name())):
return
logging.debug("Pausing vm '%s'", vm.get_name())
vmmAsyncJob.simple_async_noshow(vm.suspend, [], src,
_("Error pausing domain"))
@staticmethod
def resume(src, vm):
logging.debug("Unpausing vm '%s'", vm.get_name())
vmmAsyncJob.simple_async_noshow(vm.resume, [], src,
_("Error unpausing domain"))
@staticmethod
def run(src, vm):
logging.debug("Starting vm '%s'", vm.get_name())
if vm.has_managed_save():
def errorcb(error, details):
# This is run from the main thread
res = src.err.show_err(
_("Error restoring domain") + ": " + error,
details=details,
text2=_(
"The domain could not be restored. Would you like\n"
"to remove the saved state and perform a regular\n"
"start up?"),
dialog_type=Gtk.MessageType.WARNING,
buttons=Gtk.ButtonsType.YES_NO,
modal=True)
if not res:
return
try:
vm.remove_saved_image()
VMActionUI.run(src, vm)
except Exception as e:
src.err.show_err(_("Error removing domain state: %s")
% str(e))
# VM will be restored, which can take some time, so show progress
title = _("Restoring Virtual Machine")
text = _("Restoring virtual machine memory from disk")
vmmAsyncJob.simple_async(vm.startup, [], src,
title, text, "", errorcb=errorcb)
else:
# Regular startup
errorintro = _("Error starting domain")
vmmAsyncJob.simple_async_noshow(vm.startup, [], src, errorintro)
@staticmethod
def shutdown(src, vm):
if not src.err.chkbox_helper(src.config.get_confirm_poweroff,
src.config.set_confirm_poweroff,
text1=_("Are you sure you want to poweroff '%s'?" %
vm.get_name())):
return
logging.debug("Shutting down vm '%s'", vm.get_name())
vmmAsyncJob.simple_async_noshow(vm.shutdown, [], src,
_("Error shutting down domain"))
@staticmethod
def reboot(src, vm):
if not src.err.chkbox_helper(src.config.get_confirm_poweroff,
src.config.set_confirm_poweroff,
text1=_("Are you sure you want to reboot '%s'?" %
vm.get_name())):
return
logging.debug("Rebooting vm '%s'", vm.get_name())
vmmAsyncJob.simple_async_noshow(vm.reboot, [], src,
_("Error rebooting domain"))
@staticmethod
def reset(src, vm):
if not src.err.chkbox_helper(
src.config.get_confirm_forcepoweroff,
src.config.set_confirm_forcepoweroff,
text1=_("Are you sure you want to force reset '%s'?" %
vm.get_name()),
text2=_("This will immediately reset the VM without "
"shutting down the OS and may cause data loss.")):
return
logging.debug("Resetting vm '%s'", vm.get_name())
vmmAsyncJob.simple_async_noshow(vm.reset, [], src,
_("Error resetting domain"))
@staticmethod
def delete(src, vm):
from .delete import vmmDeleteDialog
vmmDeleteDialog.show_instance(src, vm)
@staticmethod
def migrate(src, vm):
from .migrate import vmmMigrateDialog
vmmMigrateDialog.show_instance(src, vm)
@staticmethod
def clone(src, vm):
from .clone import vmmCloneVM
vmmCloneVM.show_instance(src, vm)
@staticmethod
def show(src, vm):
from .details import vmmDetails
vmmDetails.get_instance(src, vm).show()