virt-manager/virtManager/engine.py

984 lines
34 KiB
Python

#
# Copyright (C) 2006 Red Hat, Inc.
# Copyright (C) 2006 Daniel P. Berrange <berrange@redhat.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
# MA 02110-1301 USA.
#
# pylint: disable=E0611
from gi.repository import GLib
from gi.repository import GObject
from gi.repository import Gtk
# pylint: enable=E0611
import logging
import threading
import os
import libvirt
import virtinst
from virtManager import packageutils
from virtManager import uihelpers
from virtManager import util
from virtManager.about import vmmAbout
from virtManager.baseclass import vmmGObject
from virtManager.clone import vmmCloneVM
from virtManager.connect import vmmConnect
from virtManager.connection import vmmConnection
from virtManager.preferences import vmmPreferences
from virtManager.manager import vmmManager
from virtManager.migrate import vmmMigrateDialog
from virtManager.details import vmmDetails
from virtManager.asyncjob import vmmAsyncJob
from virtManager.create import vmmCreate
from virtManager.host import vmmHost
from virtManager.error import vmmErrorDialog
from virtManager.systray import vmmSystray
# Enable this to get a report of leaked objects on app shutdown
# gtk3/pygobject has issues here as of Fedora 18
debug_ref_leaks = False
def default_uri():
tryuri = None
if os.path.exists("/var/lib/xend") and os.path.exists("/proc/xen"):
tryuri = "xen:///"
elif (os.path.exists("/dev/kvm") or
os.path.exists("/usr/bin/qemu") or
os.path.exists("/usr/bin/qemu-kvm") or
os.path.exists("/usr/bin/kvm") or
os.path.exists("/usr/libexec/qemu-kvm")):
tryuri = "qemu:///system"
return tryuri
DETAILS_PERF = 1
DETAILS_CONFIG = 2
DETAILS_CONSOLE = 3
class vmmEngine(vmmGObject):
__gsignals__ = {
"conn-added": (GObject.SignalFlags.RUN_FIRST, None, [object]),
"conn-removed": (GObject.SignalFlags.RUN_FIRST, None, [str]),
}
def __init__(self):
vmmGObject.__init__(self)
self.windowConnect = None
self.windowPreferences = None
self.windowAbout = None
self.windowCreate = None
self.windowManager = None
self.windowMigrate = None
self.conns = {}
self.err = vmmErrorDialog()
self.timer = None
self.last_timeout = 0
self.systray = None
self.application = Gtk.Application(
application_id="com.redhat.virt-manager",
flags=0)
self.application.connect("activate", self._activate)
self._appwindow = Gtk.Window()
self._tick_thread = None
self._tick_thread_slow = False
if not self.config.support_threading:
logging.debug("Libvirt doesn't support threading, skipping.")
self.inspection = None
self._create_inspection_thread()
# Counter keeping track of how many manager and details windows
# are open. When it is decremented to 0, close the app or
# keep running in system tray if enabled
self.windows = 0
# Public bits set by virt-manager cli
self.skip_autostart = False
self.uri_at_startup = None
self.uri_cb = None
self.init_systray()
self.add_gconf_handle(
self.config.on_stats_update_interval_changed(self.reschedule_timer))
self.add_gconf_handle(
self.config.on_view_system_tray_changed(self.system_tray_changed))
self.schedule_timer()
self.load_stored_uris()
self.tick()
def _activate(self, ignore):
self.show_manager()
self.application.add_window(self._appwindow)
if self.uri_at_startup:
conn = self.add_conn_to_ui(self.uri_at_startup)
if conn and self.uri_cb:
conn.connect_opt_out("state-changed", self.uri_cb)
self.connect_to_uri(self.uri_at_startup)
if not self.skip_autostart:
self.autostart_conns()
def init_systray(self):
if self.systray:
return
self.systray = vmmSystray(self)
self.systray.connect("action-toggle-manager", self._do_toggle_manager)
self.systray.connect("action-suspend-domain", self._do_suspend_domain)
self.systray.connect("action-resume-domain", self._do_resume_domain)
self.systray.connect("action-run-domain", self._do_run_domain)
self.systray.connect("action-shutdown-domain", self._do_shutdown_domain)
self.systray.connect("action-reboot-domain", self._do_reboot_domain)
self.systray.connect("action-destroy-domain", self._do_destroy_domain)
self.systray.connect("action-reset-domain", self._do_reset_domain)
self.systray.connect("action-show-vm", self._do_show_vm)
self.systray.connect("action-exit-app", self.exit_app)
def system_tray_changed(self, *ignore):
systray_enabled = self.config.get_view_system_tray()
if self.windows == 0 and not systray_enabled:
# Show the manager so that the user can control the application
self.show_manager()
def add_default_conn(self, manager):
# Only add default if no connections are currently known
if self.config.get_conn_uris():
return
# Manager fail message
msg = _("Could not detect a default hypervisor. Make\n"
"sure the appropriate virtualization packages\n"
"are installed (kvm, qemu, libvirt, etc.), and\n"
"that libvirtd is running.\n\n"
"A hypervisor connection can be manually\n"
"added via File->Add Connection")
logging.debug("Determining default libvirt URI")
ret = None
try:
libvirt_packages = self.config.libvirt_packages
packages = self.config.hv_packages + libvirt_packages
ret = packageutils.check_packagekit(manager.err, packages, True)
except:
logging.exception("Error talking to PackageKit")
if ret is not None:
tryuri = "qemu:///system"
else:
tryuri = default_uri()
if tryuri is None:
manager.set_startup_error(msg)
return
do_start = packageutils.start_libvirtd()
warnmsg = _(
"Libvirt was just installed, so the 'libvirtd' service will\n"
"will need to be started.\n"
"virt-manager will connect to libvirt on the next application\n"
"start up.")
if not do_start:
manager.err.ok(_("Libvirt service must be started"), warnmsg)
self.connect_to_uri(tryuri, autoconnect=True, do_start=do_start)
def load_stored_uris(self):
uris = self.config.get_conn_uris()
if not uris:
return
logging.debug("About to connect to uris %s", uris)
for uri in uris:
self.add_conn_to_ui(uri)
def autostart_conns(self):
for uri in self.conns:
conn = self.conns[uri]["conn"]
if conn.get_autoconnect():
self.connect_to_uri(uri)
def _do_vm_removed(self, conn, vmuuid):
hvuri = conn.get_uri()
if vmuuid not in self.conns[hvuri]["windowDetails"]:
return
self.conns[hvuri]["windowDetails"][vmuuid].cleanup()
del(self.conns[hvuri]["windowDetails"][vmuuid])
def _do_conn_changed(self, conn):
if (conn.get_state() == conn.STATE_ACTIVE or
conn.get_state() == conn.STATE_CONNECTING):
return
hvuri = conn.get_uri()
for vmuuid in self.conns[hvuri]["windowDetails"].keys():
self.conns[hvuri]["windowDetails"][vmuuid].cleanup()
del(self.conns[hvuri]["windowDetails"][vmuuid])
if (self.windowCreate and
self.windowCreate.conn and
self.windowCreate.conn.get_uri() == hvuri):
self.windowCreate.close()
def reschedule_timer(self, ignore1, ignore2, ignore3, ignore4):
self.schedule_timer()
def schedule_timer(self):
interval = self.config.get_stats_update_interval() * 1000
if self.timer is not None:
self.remove_gobject_timeout(self.timer)
self.timer = None
self.timer = self.timeout_add(interval, self.tick)
def tick(self):
if not self.config.support_threading:
return self._tick()
if self._tick_thread and self._tick_thread.isAlive():
if not self._tick_thread_slow:
logging.debug("Tick is slow, not running at requested rate.")
self._tick_thread_slow = True
return 1
self._tick_thread = threading.Thread(name="Tick thread",
target=self._tick, args=())
self._tick_thread.daemon = True
self._tick_thread.start()
return 1
def _tick(self):
for uri in self.conns.keys():
conn = self.conns[uri]["conn"]
try:
conn.tick()
except KeyboardInterrupt:
raise
except libvirt.libvirtError, e:
from_remote = getattr(libvirt, "VIR_FROM_REMOTE", None)
from_rpc = getattr(libvirt, "VIR_FROM_RPC", None)
sys_error = getattr(libvirt, "VIR_ERR_SYSTEM_ERROR", None)
dom = e.get_error_domain()
code = e.get_error_code()
if (dom in [from_remote, from_rpc] and
code in [sys_error]):
logging.exception("Could not refresh connection %s", uri)
logging.debug("Closing connection since libvirtd "
"appears to have stopped")
else:
error_msg = _("Error polling connection '%s': %s") \
% (conn.get_uri(), e)
self.idle_add(lambda: self.err.show_err(error_msg))
self.idle_add(conn.close)
return 1
def change_timer_interval(self, ignore1, ignore2, ignore3, ignore4):
GLib.source_remove(self.timer)
self.schedule_timer()
def increment_window_counter(self, src):
ignore = src
self.windows += 1
logging.debug("window counter incremented to %s", self.windows)
def decrement_window_counter(self, src):
self.windows -= 1
logging.debug("window counter decremented to %s", self.windows)
# Don't exit if system tray is enabled
if (self.windows <= 0 and
self.systray and
not self.systray.is_visible()):
self.exit_app(src)
def _cleanup(self):
uihelpers.cleanup()
self.err = None
if self.inspection:
self.inspection.cleanup()
self.inspection = None
if self.timer is not None:
GLib.source_remove(self.timer)
if self.systray:
self.systray.cleanup()
self.systray = None
self.get_manager()
if self.windowManager:
self.windowManager.cleanup()
self.windowManager = None
if self.windowPreferences:
self.windowPreferences.cleanup()
self.windowPreferences = None
if self.windowAbout:
self.windowAbout.cleanup()
self.windowAbout = None
if self.windowConnect:
self.windowConnect.cleanup()
self.windowConnect = None
if self.windowCreate:
self.windowCreate.cleanup()
self.windowCreate = None
if self.windowMigrate:
self.windowMigrate.cleanup()
self.windowMigrate = None
# Do this last, so any manually 'disconnected' signals
# take precedence over cleanup signal removal
for uri in self.conns:
self.cleanup_conn(uri)
self.conns = {}
def exit_app(self, src):
if self.err is None:
# Already in cleanup
return
self.cleanup()
if debug_ref_leaks:
objs = self.config.get_objects()
# Engine will always appear to leak
objs.remove(self.object_key)
if src.object_key in objs:
# UI that initiates the app exit will always appear to leak
objs.remove(src.object_key)
for name in objs:
logging.debug("Leaked %s", name)
logging.debug("Exiting app normally.")
self.application.remove_window(self._appwindow)
def _create_inspection_thread(self):
if not self.config.support_inspection:
logging.debug("No inspection thread because "
"libguestfs is too old, not available, "
"or libvirt is not thread safe.")
return
from virtManager.inspection import vmmInspection
self.inspection = vmmInspection()
self.inspection.start()
self.connect("conn-added", self.inspection.conn_added)
self.connect("conn-removed", self.inspection.conn_removed)
return
def add_conn_to_ui(self, uri):
# Public method called from virt-manager.py
conn = self._check_conn(uri)
if conn:
return conn
conn = vmmConnection(uri)
self.conns[uri] = {
"conn": conn,
"windowHost": None,
"windowDetails": {},
"windowClone": None,
}
conn.connect("vm-removed", self._do_vm_removed)
conn.connect("state-changed", self._do_conn_changed)
conn.tick()
self.emit("conn-added", conn)
return conn
def connect_to_uri(self, uri, autoconnect=None, do_start=True):
try:
conn = self.add_conn_to_ui(uri)
if conn.get_uri() not in (self.config.get_conn_uris() or []):
self.config.add_conn(conn.get_uri())
if autoconnect is not None:
conn.set_autoconnect(bool(autoconnect))
self.show_manager()
if do_start:
conn.open()
return conn
except Exception:
logging.exception("Error connecting to %s", uri)
return None
def cleanup_conn(self, uri):
try:
if self.conns[uri]["windowHost"]:
self.conns[uri]["windowHost"].cleanup()
if self.conns[uri]["windowClone"]:
self.conns[uri]["windowClone"].cleanup()
details = self.conns[uri]["windowDetails"]
for win in details.values():
win.cleanup()
self.conns[uri]["conn"].cleanup()
except:
logging.exception("Error cleaning up conn in engine")
def remove_conn(self, src, uri):
ignore = src
self.cleanup_conn(uri)
del(self.conns[uri])
self.emit("conn-removed", uri)
self.config.remove_conn(uri)
def connect(self, name, callback, *args):
handle_id = vmmGObject.connect(self, name, callback, *args)
if name == "conn-added":
for uri in self.conns.keys():
self.emit("conn-added",
self.conns[uri]["conn"])
return handle_id
def _check_conn(self, uri):
conn = self.conns.get(uri)
if conn:
return conn["conn"]
return None
def _lookup_conn(self, uri):
conn = self._check_conn(uri)
if not conn:
raise RuntimeError(_("Unknown connection URI %s") % uri)
return conn
####################
# Dialog launchers #
####################
def _do_show_about(self, src):
try:
if self.windowAbout is None:
self.windowAbout = vmmAbout()
self.windowAbout.show()
except Exception, e:
src.err.show_err(_("Error launching 'About' dialog: %s") % str(e))
def _get_preferences(self):
if self.windowPreferences:
return self.windowPreferences
obj = vmmPreferences()
self.windowPreferences = obj
return self.windowPreferences
def _do_show_preferences(self, src):
try:
self._get_preferences().show(src.topwin)
except Exception, e:
src.err.show_err(_("Error launching preferences: %s") % str(e))
def _get_host_dialog(self, uri):
if self.conns[uri]["windowHost"]:
return self.conns[uri]["windowHost"]
con = self._lookup_conn(uri)
obj = vmmHost(con)
obj.connect("action-exit-app", self.exit_app)
obj.connect("action-view-manager", self._do_show_manager)
obj.connect("action-restore-domain", self._do_restore_domain)
obj.connect("host-opened", self.increment_window_counter)
obj.connect("host-closed", self.decrement_window_counter)
self.conns[uri]["windowHost"] = obj
return self.conns[uri]["windowHost"]
def _do_show_host(self, src, uri):
try:
self._get_host_dialog(uri).show()
except Exception, e:
src.err.show_err(_("Error launching host dialog: %s") % str(e))
def _get_connect_dialog(self):
if self.windowConnect:
return self.windowConnect
def completed(src, uri, autoconnect):
ignore = src
return self.connect_to_uri(uri, autoconnect)
def cancelled(src):
if len(self.conns.keys()) == 0:
self.exit_app(src)
obj = vmmConnect()
obj.connect("completed", completed)
obj.connect("cancelled", cancelled)
self.windowConnect = obj
return self.windowConnect
def _do_show_connect(self, src):
try:
self._get_connect_dialog().show(src.topwin)
except Exception, e:
src.err.show_err(_("Error launching connect dialog: %s") % str(e))
def _get_details_dialog(self, uri, uuid):
if uuid in self.conns[uri]["windowDetails"]:
return self.conns[uri]["windowDetails"][uuid]
con = self._lookup_conn(uri)
obj = vmmDetails(con.get_vm(uuid))
obj.connect("action-save-domain", self._do_save_domain)
obj.connect("action-destroy-domain", self._do_destroy_domain)
obj.connect("action-reset-domain", self._do_reset_domain)
obj.connect("action-suspend-domain", self._do_suspend_domain)
obj.connect("action-resume-domain", self._do_resume_domain)
obj.connect("action-run-domain", self._do_run_domain)
obj.connect("action-shutdown-domain", self._do_shutdown_domain)
obj.connect("action-reboot-domain", self._do_reboot_domain)
obj.connect("action-exit-app", self.exit_app)
obj.connect("action-view-manager", self._do_show_manager)
obj.connect("action-migrate-domain", self._do_show_migrate)
obj.connect("action-clone-domain", self._do_show_clone)
obj.connect("details-opened", self.increment_window_counter)
obj.connect("details-closed", self.decrement_window_counter)
self.conns[uri]["windowDetails"][uuid] = obj
return self.conns[uri]["windowDetails"][uuid]
def _show_vm_helper(self, src, uri, uuid, page=None, forcepage=False):
try:
details = self._get_details_dialog(uri, uuid)
if forcepage or not details.is_visible():
if page == DETAILS_PERF:
details.activate_performance_page()
elif page == DETAILS_CONFIG:
details.activate_config_page()
elif page == DETAILS_CONSOLE:
details.activate_console_page()
elif page is None:
details.activate_default_page()
details.show()
return details
except Exception, e:
src.err.show_err(_("Error launching details: %s") % str(e))
def _do_show_vm(self, src, uri, uuid):
self._show_vm_helper(src, uri, uuid)
def get_manager(self):
if self.windowManager:
return self.windowManager
obj = vmmManager()
obj.connect("action-suspend-domain", self._do_suspend_domain)
obj.connect("action-resume-domain", self._do_resume_domain)
obj.connect("action-run-domain", self._do_run_domain)
obj.connect("action-shutdown-domain", self._do_shutdown_domain)
obj.connect("action-reboot-domain", self._do_reboot_domain)
obj.connect("action-destroy-domain", self._do_destroy_domain)
obj.connect("action-reset-domain", self._do_reset_domain)
obj.connect("action-save-domain", self._do_save_domain)
obj.connect("action-migrate-domain", self._do_show_migrate)
obj.connect("action-clone-domain", self._do_show_clone)
obj.connect("action-show-vm", self._do_show_vm)
obj.connect("action-show-preferences", self._do_show_preferences)
obj.connect("action-show-create", self._do_show_create)
obj.connect("action-show-about", self._do_show_about)
obj.connect("action-show-host", self._do_show_host)
obj.connect("action-show-connect", self._do_show_connect)
obj.connect("action-exit-app", self.exit_app)
obj.connect("manager-opened", self.increment_window_counter)
obj.connect("manager-closed", self.decrement_window_counter)
obj.connect("remove-conn", self.remove_conn)
obj.connect("add-default-conn", self.add_default_conn)
self.connect("conn-added", obj.add_conn)
self.connect("conn-removed", obj.remove_conn)
self.windowManager = obj
return self.windowManager
def _do_toggle_manager(self, ignore):
manager = self.get_manager()
if manager.is_visible():
manager.close()
else:
manager.show()
def _do_show_manager(self, src):
try:
manager = self.get_manager()
manager.show()
except Exception, e:
if not src:
raise
src.err.show_err(_("Error launching manager: %s") % str(e))
def _get_create_dialog(self):
if self.windowCreate:
return self.windowCreate
obj = vmmCreate(self)
obj.connect("action-show-vm", self._do_show_vm)
self.windowCreate = obj
return self.windowCreate
def _do_show_create(self, src, uri):
try:
self._get_create_dialog().show(src.topwin, uri)
except Exception, e:
src.err.show_err(_("Error launching manager: %s") % str(e))
def _do_show_migrate(self, src, uri, uuid):
try:
conn = self._lookup_conn(uri)
vm = conn.get_vm(uuid)
if not self.windowMigrate:
self.windowMigrate = vmmMigrateDialog(vm, self)
self.windowMigrate.set_state(vm)
self.windowMigrate.show(src.topwin)
except Exception, e:
src.err.show_err(_("Error launching migrate dialog: %s") % str(e))
def _do_show_clone(self, src, uri, uuid):
con = self._lookup_conn(uri)
orig_vm = con.get_vm(uuid)
clone_window = self.conns[uri]["windowClone"]
try:
if clone_window is None:
clone_window = vmmCloneVM(orig_vm)
self.conns[uri]["windowClone"] = clone_window
else:
clone_window.set_orig_vm(orig_vm)
clone_window.show(src.topwin)
except Exception, e:
src.err.show_err(_("Error setting clone parameters: %s") % str(e))
##########################################
# Window launchers from virt-manager cli #
##########################################
def show_manager(self):
self._do_show_manager(None)
def show_connect(self):
self._do_show_connect(self.get_manager())
def show_host_summary(self, uri):
self._do_show_host(self.get_manager(), uri)
def show_domain_creator(self, uri):
self._do_show_create(self.get_manager(), uri)
def show_domain_console(self, uri, uuid):
self._show_vm_helper(self.get_manager(), uri, uuid,
page=DETAILS_CONSOLE, forcepage=True)
def show_domain_editor(self, uri, uuid):
self._show_vm_helper(self.get_manager(), uri, uuid,
page=DETAILS_CONFIG, forcepage=True)
def show_domain_performance(self, uri, uuid):
self._show_vm_helper(self.get_manager(), uri, uuid,
page=DETAILS_PERF, forcepage=True)
#######################################
# Domain actions run/destroy/save ... #
#######################################
def _do_save_domain(self, src, uri, uuid):
conn = self._lookup_conn(uri)
vm = conn.get_vm(uuid)
managed = bool(vm.managedsave_supported)
if not managed and conn.is_remote():
src.err.val_err(_("Saving virtual machines over remote "
"connections is not supported with this "
"libvirt version or hypervisor."))
return
if not util.chkbox_helper(src, self.config.get_confirm_poweroff,
self.config.set_confirm_poweroff,
text1=_("Are you sure you want to save '%s'?" % vm.get_name())):
return
path = None
if not managed:
path = util.browse_local(src.topwin,
_("Save Virtual Machine"),
conn,
dialog_type=Gtk.FileChooserAction.SAVE,
browse_reason=self.config.CONFIG_DIR_SAVE)
if not path:
return
_cancel_back = None
_cancel_args = []
if vm.getjobinfo_supported:
_cancel_back = self._save_cancel
_cancel_args = [vm]
progWin = vmmAsyncJob(self._save_callback,
[vm, path],
_("Saving Virtual Machine"),
_("Saving virtual machine memory to disk "),
src.topwin,
cancel_back=_cancel_back,
cancel_args=_cancel_args)
error, details = progWin.run()
if error is not None:
error = _("Error saving domain: %s") % error
src.err.show_err(error, details=details)
def _save_cancel(self, asyncjob, vm):
logging.debug("Cancelling save job")
if not vm:
return
try:
vm.abort_job()
except Exception, e:
logging.exception("Error cancelling save job")
asyncjob.show_warning(_("Error cancelling save job: %s") % str(e))
return
asyncjob.job_canceled = True
return
def _save_callback(self, asyncjob, vm, file_to_save):
conn = util.dup_conn(vm.conn)
newvm = conn.get_vm(vm.get_uuid())
meter = asyncjob.get_meter()
newvm.save(file_to_save, meter=meter)
def _do_restore_domain(self, src, uri):
conn = self._lookup_conn(uri)
if conn.is_remote():
src.err.val_err(_("Restoring virtual machines over remote "
"connections is not yet supported"))
return
path = util.browse_local(src.topwin,
_("Restore Virtual Machine"),
conn,
browse_reason=self.config.CONFIG_DIR_RESTORE)
if not path:
return
def cb():
newconn = util.dup_conn(conn)
newconn.restore(path)
vmmAsyncJob.simple_async_noshow(cb, [], src,
_("Error restoring domain"))
def _do_destroy_domain(self, src, uri, uuid):
conn = self._lookup_conn(uri)
vm = conn.get_vm(uuid)
if not util.chkbox_helper(src, self.config.get_confirm_forcepoweroff,
self.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"))
def _do_suspend_domain(self, src, uri, uuid):
conn = self._lookup_conn(uri)
vm = conn.get_vm(uuid)
if not util.chkbox_helper(src, self.config.get_confirm_pause,
self.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"))
def _do_resume_domain(self, src, uri, uuid):
conn = self._lookup_conn(uri)
vm = conn.get_vm(uuid)
logging.debug("Unpausing vm '%s'", vm.get_name())
vmmAsyncJob.simple_async_noshow(vm.resume, [], src,
_("Error unpausing domain"))
def _do_run_domain(self, src, uri, uuid):
conn = self._lookup_conn(uri)
vm = conn.get_vm(uuid)
logging.debug("Starting vm '%s'", vm.get_name())
if vm.hasSavedImage():
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,
async=False)
if not res:
return
try:
vm.removeSavedImage()
self._do_run_domain(src, uri, uuid)
except Exception, 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,
[], title, text, src, "", errorcb=errorcb)
else:
# Regular startup
errorintro = _("Error starting domain")
vmmAsyncJob.simple_async_noshow(vm.startup, [], src, errorintro)
def _do_shutdown_domain(self, src, uri, uuid):
conn = self._lookup_conn(uri)
vm = conn.get_vm(uuid)
if not util.chkbox_helper(src, self.config.get_confirm_poweroff,
self.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"))
def _do_reboot_domain(self, src, uri, uuid):
conn = self._lookup_conn(uri)
vm = conn.get_vm(uuid)
if not util.chkbox_helper(src, self.config.get_confirm_poweroff,
self.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())
def reboot_cb():
no_support = False
reboot_err = None
try:
vm.reboot()
except Exception, reboot_err:
no_support = virtinst.support.is_error_nosupport(reboot_err)
if not no_support:
raise RuntimeError(_("Error rebooting domain: %s" %
str(reboot_err)))
if not no_support:
return
# Reboot isn't supported. Let's try to emulate it
logging.debug("Hypervisor doesn't support reboot, let's fake it")
try:
vm.manual_reboot()
except:
logging.exception("Could not fake a reboot")
# Raise the original error message
raise RuntimeError(_("Error rebooting domain: %s" %
str(reboot_err)))
vmmAsyncJob.simple_async_noshow(reboot_cb, [], src, "")
def _do_reset_domain(self, src, uri, uuid):
conn = self._lookup_conn(uri)
vm = conn.get_vm(uuid)
if not util.chkbox_helper(src, self.config.get_confirm_forcepoweroff,
self.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"))