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virt-manager/virtManager/clone.py
Cole Robinson 6869760732 asyncjob: Fix issues with multiple dialogs (bz 1003101) 
Basically, drop usage of nested main loops. As has been documented in
other commit messages, we use nested main loops in ways they aren't
supposed to be used. They gave us async behavior that would block
callers, but had weird behavior in some edge cases.

Switch to having async dialogs be 100% async, requiring the user to
pass in a completion callback which is triggered after the async
action is complete.
2013-09-06 21:30:19 -04:00

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#
# Copyright (C) 2009 Red Hat, Inc.
# Copyright (C) 2009 Cole Robinson <crobinso@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.
#
import logging
import os
# pylint: disable=E0611
from gi.repository import Gtk
from gi.repository import Gdk
# pylint: enable=E0611
from virtManager.baseclass import vmmGObjectUI
from virtManager.asyncjob import vmmAsyncJob
from virtManager.storagebrowse import vmmStorageBrowser
import virtinst
from virtinst import Cloner
from virtinst import VirtualNetworkInterface
STORAGE_COMBO_CLONE = 0
STORAGE_COMBO_SHARE = 1
STORAGE_COMBO_SEP = 2
STORAGE_COMBO_DETAILS = 3
STORAGE_INFO_ORIG_PATH = 0
STORAGE_INFO_NEW_PATH = 1
STORAGE_INFO_TARGET = 2
STORAGE_INFO_SIZE = 3
STORAGE_INFO_DEVTYPE = 4
STORAGE_INFO_DO_CLONE = 5
STORAGE_INFO_CAN_CLONE = 6
STORAGE_INFO_CAN_SHARE = 7
STORAGE_INFO_DO_DEFAULT = 8
STORAGE_INFO_DEFINFO = 9
STORAGE_INFO_FAILINFO = 10
STORAGE_INFO_COMBO = 11
STORAGE_INFO_MANUAL_PATH = 12
NETWORK_INFO_LABEL = 0
NETWORK_INFO_ORIG_MAC = 1
NETWORK_INFO_NEW_MAC = 2
# XXX: Some method to check all storage size
# XXX: What to do for cleanup if clone fails?
# XXX: Disable mouse scroll for combo boxes
def can_we_clone(conn, vol, path):
"""Is the passed path even clone-able"""
ret = True
msg = None
if not path:
msg = _("No storage to clone.")
elif vol:
# Managed storage
if not conn.check_pool_support(conn,
conn.SUPPORT_STORAGE_CREATEVOLFROM):
if conn.is_remote() or not os.access(path, os.R_OK):
msg = _("Connection does not support managed storage cloning.")
else:
is_dev = path.startswith("/dev")
if conn.is_remote():
msg = _("Cannot clone unmanaged remote storage.")
elif not os.access(path, os.R_OK):
if is_dev:
msg = _("Block devices to clone must be libvirt\n"
"managed storage volumes.")
else:
msg = _("No write access to parent directory.")
elif not os.path.exists(path):
msg = _("Path does not exist.")
if msg:
ret = False
return (ret, msg)
def do_we_default(conn, vol, path, ro, shared, devtype):
""" Returns (do we clone by default?, info string if not)"""
ignore = conn
info = ""
def append_str(str1, str2, delim=", "):
if not str2:
return str1
if str1:
str1 += delim
str1 += str2
return str1
if (devtype == virtinst.VirtualDisk.DEVICE_CDROM or
devtype == virtinst.VirtualDisk.DEVICE_FLOPPY):
info = append_str(info, _("Removable"))
if ro:
info = append_str(info, _("Read Only"))
elif not vol and path and not os.access(path, os.W_OK):
info = append_str(info, _("No write access"))
if shared:
info = append_str(info, _("Shareable"))
return (not info, info)
class vmmCloneVM(vmmGObjectUI):
def __init__(self, orig_vm):
vmmGObjectUI.__init__(self, "vmm-clone.ui", "vmm-clone")
self.orig_vm = orig_vm
self.conn = self.orig_vm.conn
self.clone_design = None
self.storage_list = {}
self.target_list = []
self.net_list = {}
self.mac_list = []
self.storage_browser = None
self.change_mac = self.widget("vmm-change-mac")
self.change_mac.set_transient_for(self.topwin)
self.change_storage = self.widget("vmm-change-storage")
self.change_storage.set_transient_for(self.topwin)
self.builder.connect_signals({
"on_clone_delete_event" : self.close,
"on_clone_cancel_clicked" : self.close,
"on_clone_ok_clicked" : self.finish,
# Change mac dialog
"on_vmm_change_mac_delete_event": self.change_mac_close,
"on_change_mac_cancel_clicked" : self.change_mac_close,
"on_change_mac_ok_clicked" : self.change_mac_finish,
# Change storage dialog
"on_vmm_change_storage_delete_event": self.change_storage_close,
"on_change_storage_cancel_clicked" : self.change_storage_close,
"on_change_storage_ok_clicked" : self.change_storage_finish,
"on_change_storage_doclone_toggled" : self.change_storage_doclone_toggled,
"on_change_storage_browse_clicked" : self.change_storage_browse,
})
self.bind_escape_key_close()
finish_img = Gtk.Image.new_from_stock(Gtk.STOCK_NEW,
Gtk.IconSize.BUTTON)
self.widget("clone-ok").set_image(finish_img)
self.set_initial_state()
def show(self, parent):
logging.debug("Showing clone wizard")
self.reset_state()
self.topwin.set_transient_for(parent)
self.topwin.resize(1, 1)
self.topwin.present()
def close(self, ignore1=None, ignore2=None):
logging.debug("Closing clone wizard")
self.change_mac_close()
self.change_storage_close()
self.topwin.hide()
self.orig_vm = None
self.clone_design = None
self.storage_list = {}
self.target_list = []
self.net_list = {}
self.mac_list = []
return 1
def _cleanup(self):
self.conn = None
self.change_mac.destroy()
self.change_mac = None
self.change_storage.destroy()
self.change_storage = None
if self.storage_browser:
self.storage_browser.cleanup()
self.storage_browser = None
def change_mac_close(self, ignore1=None, ignore2=None):
self.change_mac.hide()
return 1
def change_storage_close(self, ignore1=None, ignore2=None):
self.change_storage.hide()
return 1
# First time setup
def set_initial_state(self):
blue = Gdk.Color.parse("#0072A8")[1]
self.widget("clone-header").modify_bg(Gtk.StateType.NORMAL, blue)
context = self.topwin.get_style_context()
defcolor = context.get_background_color(Gtk.StateType.NORMAL)
self.widget("storage-viewport").override_background_color(Gtk.StateType.NORMAL,
defcolor)
box = self.widget("clone-vm-icon-box")
image = Gtk.Image.new_from_icon_name("vm_clone_wizard",
Gtk.IconSize.DIALOG)
image.show()
box.pack_end(image, False, False, False)
# Populate state
def reset_state(self):
self.widget("clone-cancel").grab_focus()
# Populate default clone values
self.setup_clone_info()
cd = self.clone_design
self.widget("clone-orig-name").set_text(cd.original_guest)
self.widget("clone-new-name").set_text(cd.clone_name)
# We need to determine which disks fail (and why).
self.storage_list, self.target_list = self.check_all_storage()
self.populate_storage_lists()
self.populate_network_list()
return
def setup_clone_info(self):
self.clone_design = self.build_new_clone_design()
def build_new_clone_design(self, new_name=None):
design = Cloner(self.conn.get_backend())
design.original_guest = self.orig_vm.get_name()
if not new_name:
new_name = design.generate_clone_name()
design.clone_name = new_name
# Erase any clone_policy from the original design, so that we
# get the entire device list.
design.clone_policy = []
return design
def populate_network_list(self):
net_box = self.widget("clone-network-box")
for c in net_box.get_children():
net_box.remove(c)
c.destroy()
self.net_list = {}
self.mac_list = []
def build_net_row(labelstr, origmac, newmac):
label = Gtk.Label(label=labelstr + " (%s)" % origmac)
label.set_alignment(0, .5)
button = Gtk.Button(_("Details..."))
button.connect("clicked", self.net_change_mac, origmac)
hbox = Gtk.HBox()
hbox.set_spacing(12)
hbox.pack_start(label, True, True, 0)
hbox.pack_end(button, False, False, False)
hbox.show_all()
net_box.pack_start(hbox, False, False, False)
net_row = []
net_row.insert(NETWORK_INFO_LABEL, labelstr)
net_row.insert(NETWORK_INFO_ORIG_MAC, origmac)
net_row.insert(NETWORK_INFO_NEW_MAC, newmac)
self.net_list[origmac] = net_row
self.mac_list.append(origmac)
for net in self.orig_vm.get_network_devices():
mac = net.macaddr
net_dev = net.get_source()
net_type = net.type
# Generate a new MAC
newmac = VirtualNetworkInterface.generate_mac(
self.conn.get_backend())
# [ interface type, device name, origmac, newmac, label ]
if net_type == VirtualNetworkInterface.TYPE_USER:
label = _("Usermode")
elif net_type == VirtualNetworkInterface.TYPE_VIRTUAL:
net = self.orig_vm.conn.get_net_by_name(net_dev)
if net:
label = ""
desc = net.pretty_forward_mode()
label += "%s" % desc
else:
label = (_("Virtual Network") +
(net_dev and " %s" % net_dev or ""))
else:
# 'bridge' or anything else
label = (net_type.capitalize() +
(net_dev and (" %s" % net_dev) or ""))
build_net_row(label, mac, newmac)
no_net = bool(len(self.net_list.keys()) == 0)
self.widget("clone-network-box").set_visible(not no_net)
self.widget("clone-no-net").set_visible(no_net)
def check_all_storage(self):
"""
Determine which storage is cloneable, and which isn't
"""
diskinfos = self.orig_vm.get_disk_devices()
cd = self.clone_design
storage_list = {}
# We need to determine which disks fail (and why).
all_targets = [d.target for d in diskinfos]
for disk in diskinfos:
force_target = disk.target
path = disk.path
ro = disk.read_only
shared = disk.shareable
devtype = disk.device
size = None
clone_path = None
failinfo = ""
definfo = ""
storage_row = []
storage_row.insert(STORAGE_INFO_ORIG_PATH, path or "-")
storage_row.insert(STORAGE_INFO_NEW_PATH, clone_path)
storage_row.insert(STORAGE_INFO_TARGET, force_target)
storage_row.insert(STORAGE_INFO_SIZE, size)
storage_row.insert(STORAGE_INFO_DEVTYPE, devtype)
storage_row.insert(STORAGE_INFO_DO_CLONE, False)
storage_row.insert(STORAGE_INFO_CAN_CLONE, False)
storage_row.insert(STORAGE_INFO_CAN_SHARE, False)
storage_row.insert(STORAGE_INFO_DO_DEFAULT, False)
storage_row.insert(STORAGE_INFO_DEFINFO, definfo)
storage_row.insert(STORAGE_INFO_FAILINFO, failinfo)
storage_row.insert(STORAGE_INFO_COMBO, None)
storage_row.insert(STORAGE_INFO_MANUAL_PATH, False)
skip_targets = all_targets[:]
skip_targets.remove(force_target)
vol = self.conn.get_vol_by_path(path)
default, definfo = do_we_default(self.conn, vol, path, ro, shared,
devtype)
def storage_add(failinfo=None):
storage_row[STORAGE_INFO_DEFINFO] = definfo
storage_row[STORAGE_INFO_DO_DEFAULT] = default
storage_row[STORAGE_INFO_CAN_SHARE] = bool(definfo)
if failinfo:
storage_row[STORAGE_INFO_FAILINFO] = failinfo
storage_row[STORAGE_INFO_DO_CLONE] = False
storage_list[force_target] = storage_row
# If origdisk is empty, deliberately make it fail
if not path:
storage_add(_("Nothing to clone."))
continue
try:
cd.skip_target = skip_targets
cd.setup_original()
except Exception, e:
logging.exception("Disk target '%s' caused clone error",
force_target)
storage_add(str(e))
continue
can_clone, cloneinfo = can_we_clone(self.conn, vol, path)
if not can_clone:
storage_add(cloneinfo)
continue
try:
# Generate disk path, make sure that works
clone_path = self.generate_clone_path_name(path)
logging.debug("Original path: %s\nGenerated clone path: %s",
path, clone_path)
cd.clone_paths = clone_path
size = cd.original_disks[0].size
except Exception, e:
logging.exception("Error setting generated path '%s'",
clone_path)
storage_add(str(e))
storage_row[STORAGE_INFO_CAN_CLONE] = True
storage_row[STORAGE_INFO_NEW_PATH] = clone_path
storage_row[STORAGE_INFO_SIZE] = self.pretty_storage(size)
storage_add()
return storage_list, all_targets
def generate_clone_path_name(self, origpath, newname=None):
cd = self.clone_design
if not newname:
newname = cd.clone_name
clone_path = cd.generate_clone_disk_path(origpath,
newname=newname)
return clone_path
def set_paths_from_clone_name(self):
cd = self.clone_design
newname = self.widget("clone-new-name").get_text()
if not newname:
return
if cd.clone_name == newname:
return
for row in self.storage_list.values():
origpath = row[STORAGE_INFO_ORIG_PATH]
if row[STORAGE_INFO_MANUAL_PATH]:
continue
if not row[STORAGE_INFO_DO_CLONE]:
return
try:
newpath = self.generate_clone_path_name(origpath, newname)
row[STORAGE_INFO_NEW_PATH] = newpath
except Exception, e:
logging.debug("Generating new path from clone name failed: "
+ str(e))
def build_storage_entry(self, disk, storage_box):
origpath = disk[STORAGE_INFO_ORIG_PATH]
devtype = disk[STORAGE_INFO_DEVTYPE]
size = disk[STORAGE_INFO_SIZE]
can_clone = disk[STORAGE_INFO_CAN_CLONE]
do_clone = disk[STORAGE_INFO_DO_CLONE]
can_share = disk[STORAGE_INFO_CAN_SHARE]
is_default = disk[STORAGE_INFO_DO_DEFAULT]
definfo = disk[STORAGE_INFO_DEFINFO]
failinfo = disk[STORAGE_INFO_FAILINFO]
target = disk[STORAGE_INFO_TARGET]
orig_name = self.orig_vm.get_name()
disk_label = os.path.basename(origpath)
info_label = None
if not can_clone:
info_label = Gtk.Label()
info_label.set_alignment(0, .5)
info_label.set_markup("<span size='small'>%s</span>" % failinfo)
if not is_default:
disk_label += (definfo and " (%s)" % definfo or "")
# Build icon
icon = Gtk.Image()
if devtype == virtinst.VirtualDisk.DEVICE_FLOPPY:
iconname = "media-floppy"
elif devtype == virtinst.VirtualDisk.DEVICE_CDROM:
iconname = "media-optical"
else:
iconname = "drive-harddisk"
icon.set_from_icon_name(iconname, Gtk.IconSize.MENU)
disk_name_label = Gtk.Label(label=disk_label)
disk_name_label.set_alignment(0, .5)
disk_name_box = Gtk.HBox(spacing=9)
disk_name_box.pack_start(icon, False, False, 0)
disk_name_box.pack_start(disk_name_label, True, True, 0)
def sep_func(model, it, combo):
ignore = combo
return model[it][2]
# [String, sensitive, is sep]
model = Gtk.ListStore(str, bool, bool)
option_combo = Gtk.ComboBox()
option_combo.set_model(model)
text = Gtk.CellRendererText()
option_combo.pack_start(text, True)
option_combo.add_attribute(text, "text", 0)
option_combo.add_attribute(text, "sensitive", 1)
option_combo.set_row_separator_func(sep_func, option_combo)
option_combo.connect("changed", self.storage_combo_changed, target)
vbox = Gtk.VBox(spacing=1)
if can_clone or can_share:
model.insert(STORAGE_COMBO_CLONE,
[(_("Clone this disk") +
(size and " (%s)" % size or "")),
can_clone, False])
model.insert(STORAGE_COMBO_SHARE,
[_("Share disk with %s") % orig_name, can_share,
False])
model.insert(STORAGE_COMBO_SEP, ["", False, True])
model.insert(STORAGE_COMBO_DETAILS,
[_("Details..."), True, False])
if (can_clone and is_default) or do_clone:
option_combo.set_active(STORAGE_COMBO_CLONE)
else:
option_combo.set_active(STORAGE_COMBO_SHARE)
else:
model.insert(STORAGE_COMBO_CLONE,
[_("Storage cannot be shared or cloned."),
False, False])
option_combo.set_active(STORAGE_COMBO_CLONE)
vbox.pack_start(disk_name_box, False, False, 0)
vbox.pack_start(option_combo, False, False, 0)
if info_label:
vbox.pack_start(info_label, False, False, 0)
storage_box.pack_start(vbox, False, False, 0)
disk[STORAGE_INFO_COMBO] = option_combo
def populate_storage_lists(self):
storage_box = self.widget("clone-storage-box")
for c in storage_box.get_children():
storage_box.remove(c)
c.destroy()
for target in self.target_list:
disk = self.storage_list[target]
self.build_storage_entry(disk, storage_box)
num_c = min(len(self.target_list), 3)
if num_c:
scroll = self.widget("clone-storage-scroll")
scroll.set_size_request(-1, 80 * num_c)
storage_box.show_all()
no_storage = not bool(len(self.target_list))
self.widget("clone-storage-box").set_visible(not no_storage)
self.widget("clone-no-storage-pass").set_visible(no_storage)
skip_targets = []
new_disks = []
for target in self.target_list:
do_clone = self.storage_list[target][STORAGE_INFO_DO_CLONE]
new_path = self.storage_list[target][STORAGE_INFO_NEW_PATH]
if do_clone:
new_disks.append(new_path)
else:
skip_targets.append(target)
self.clone_design.skip_target = skip_targets
self.clone_design.clone_paths = new_disks
# If any storage cannot be cloned or shared, don't allow cloning
clone = True
tooltip = ""
for row in self.storage_list.values():
can_clone = row[STORAGE_INFO_CAN_CLONE]
can_share = row[STORAGE_INFO_CAN_SHARE]
if not (can_clone or can_share):
clone = False
tooltip = _("One or more disks cannot be cloned or shared.")
break
ok_button = self.widget("clone-ok")
ok_button.set_sensitive(clone)
ok_button.set_tooltip_text(tooltip)
def net_change_mac(self, ignore, origmac):
row = self.net_list[origmac]
orig_mac = row[NETWORK_INFO_ORIG_MAC]
new_mac = row[NETWORK_INFO_NEW_MAC]
typ = row[NETWORK_INFO_LABEL]
self.widget("change-mac-orig").set_text(orig_mac)
self.widget("change-mac-type").set_text(typ)
self.widget("change-mac-new").set_text(new_mac)
self.change_mac.show_all()
def storage_combo_changed(self, src, target):
idx = src.get_active()
row = self.storage_list[target]
if idx == STORAGE_COMBO_CLONE:
row[STORAGE_INFO_DO_CLONE] = True
return
elif idx == STORAGE_COMBO_SHARE:
row[STORAGE_INFO_DO_CLONE] = False
return
elif idx != STORAGE_COMBO_DETAILS:
return
do_clone = row[STORAGE_INFO_DO_CLONE]
if do_clone:
src.set_active(STORAGE_COMBO_CLONE)
else:
src.set_active(STORAGE_COMBO_SHARE)
# Show storage
row = self.storage_change_path(row)
def change_storage_doclone_toggled(self, src):
do_clone = src.get_active()
self.widget("change-storage-new").set_sensitive(do_clone)
self.widget("change-storage-browse").set_sensitive(do_clone)
def storage_change_path(self, row):
# If storage paths are dependent on manually entered clone name,
# make sure they are up to date
self.set_paths_from_clone_name()
orig = row[STORAGE_INFO_ORIG_PATH]
new = row[STORAGE_INFO_NEW_PATH]
tgt = row[STORAGE_INFO_TARGET]
size = row[STORAGE_INFO_SIZE]
can_clone = row[STORAGE_INFO_CAN_CLONE]
can_share = row[STORAGE_INFO_CAN_SHARE]
do_clone = row[STORAGE_INFO_DO_CLONE]
self.widget("change-storage-doclone").set_active(True)
self.widget("change-storage-doclone").toggled()
self.widget("change-storage-orig").set_text(orig)
self.widget("change-storage-target").set_text(tgt)
self.widget("change-storage-size").set_text(size or "-")
self.widget("change-storage-doclone").set_active(do_clone)
if can_clone:
self.widget("change-storage-new").set_text(new or "")
else:
self.widget("change-storage-new").set_text("")
self.widget("change-storage-doclone").set_sensitive(can_clone and
can_share)
self.widget("vmm-change-storage").show_all()
def set_orig_vm(self, new_orig):
self.orig_vm = new_orig
self.conn = self.orig_vm.conn
def change_mac_finish(self, ignore):
orig = self.widget("change-mac-orig").get_text()
new = self.widget("change-mac-new").get_text()
row = self.net_list[orig]
try:
ignore, msg = VirtualNetworkInterface.is_conflict_net(
self.conn.get_backend(), new)
if msg:
raise RuntimeError(msg)
row[NETWORK_INFO_NEW_MAC] = new
except Exception, e:
self.err.show_err(_("Error changing MAC address: %s") % str(e))
return
self.change_mac_close()
def change_storage_finish(self, ignore):
target = self.widget("change-storage-target").get_text()
row = self.storage_list[target]
# Sync 'do clone' checkbox, and main dialog combo
combo = row[STORAGE_INFO_COMBO]
do_clone = self.widget("change-storage-doclone").get_active()
if do_clone:
combo.set_active(STORAGE_COMBO_CLONE)
else:
combo.set_active(STORAGE_COMBO_SHARE)
row[STORAGE_INFO_DO_CLONE] = do_clone
if not do_clone:
self.change_storage_close()
return
new_path = self.widget("change-storage-new").get_text()
if virtinst.VirtualDisk.path_exists(self.clone_design.conn,
new_path):
res = self.err.yes_no(_("Cloning will overwrite the existing "
"file"),
_("Using an existing image will overwrite "
"the path during the clone process. Are "
"you sure you want to use this path?"))
if not res:
return
try:
self.clone_design.clone_paths = new_path
self.populate_storage_lists()
row[STORAGE_INFO_NEW_PATH] = new_path
row[STORAGE_INFO_MANUAL_PATH] = True
except Exception, e:
self.err.show_err(_("Error changing storage path: %s") % str(e))
return
self.change_storage_close()
def pretty_storage(self, size):
if not size:
return ""
return "%.1f GB" % float(size)
# Listeners
def validate(self):
self.set_paths_from_clone_name()
name = self.widget("clone-new-name").get_text()
# Make another clone_design
cd = self.build_new_clone_design(name)
# Set MAC addresses
clonemacs = []
for mac in self.mac_list:
row = self.net_list[mac]
clonemacs.append(row[NETWORK_INFO_NEW_MAC])
cd.clone_macs = clonemacs
skip_targets = []
new_paths = []
warn_str = ""
for target in self.target_list:
path = self.storage_list[target][STORAGE_INFO_ORIG_PATH]
new_path = self.storage_list[target][STORAGE_INFO_NEW_PATH]
do_clone = self.storage_list[target][STORAGE_INFO_DO_CLONE]
do_default = self.storage_list[target][STORAGE_INFO_DO_DEFAULT]
if do_clone:
new_paths.append(new_path)
else:
skip_targets.append(target)
if not path or path == '-':
continue
if not do_default:
continue
warn_str += "%s: %s\n" % (target, path)
cd.skip_target = skip_targets
cd.setup_original()
cd.clone_paths = new_paths
if warn_str:
res = self.err.ok_cancel(
_("Skipping disks may cause data to be overwritten."),
_("The following disk devices will not be cloned:\n\n%s\n"
"Running the new guest could overwrite data in these "
"disk images.")
% warn_str)
if not res:
return False
cd.setup_clone()
self.clone_design = cd
return True
def _finish_cb(self, error, details):
self.topwin.set_sensitive(True)
self.topwin.get_window().set_cursor(
Gdk.Cursor.new(Gdk.CursorType.TOP_LEFT_ARROW))
if error is not None:
error = (_("Error creating virtual machine clone '%s': %s") %
(self.clone_design.clone_name, error))
self.err.show_err(error, details=details)
else:
self.close()
self.conn.schedule_priority_tick(pollvm=True)
def finish(self, src_ignore):
try:
if not self.validate():
return
except Exception, e:
self.err.show_err(_("Uncaught error validating input: %s") % str(e))
return
self.topwin.set_sensitive(False)
self.topwin.get_window().set_cursor(
Gdk.Cursor.new(Gdk.CursorType.WATCH))
title = (_("Creating virtual machine clone '%s'") %
self.clone_design.clone_name)
text = title
if self.clone_design.clone_disks:
text = title + _(" and selected storage (this may take a while)")
progWin = vmmAsyncJob(self._async_clone, [], self._finish_cb, [],
title, text, self.topwin)
progWin.run()
def _async_clone(self, asyncjob):
try:
self.orig_vm.set_cloning(True)
meter = asyncjob.get_meter()
self.clone_design.setup()
self.clone_design.start_duplicate(meter)
finally:
self.orig_vm.set_cloning(False)
def change_storage_browse(self, ignore):
def callback(src_ignore, txt):
self.widget("change-storage-new").set_text(txt)
if self.storage_browser is None:
self.storage_browser = vmmStorageBrowser(self.conn)
self.storage_browser.connect("storage-browse-finish", callback)
self.storage_browser.show(self.topwin, self.conn)
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