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efbc815a60
virt-manager/virtManager/uihelpers.py
Cole Robinson efbc815a60 addhardware: Modernize 'graphics' UI 
- Drop SDL, it doesn't mesh with modern libvirt
- Drop keymap, modern qemu/virt-manager handle this automagically
- Drop big text fields
- Misc other cleanups and simplifications
2013-09-02 11:59:02 -04:00

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#
# Copyright (C) 2009, 2013 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
import statvfs
# pylint: disable=E0611
from gi.repository import GObject
from gi.repository import Gtk
# pylint: enable=E0611
import libvirt
import virtinst
from virtinst import util
from virtManager import config
OPTICAL_DEV_PATH = 0
OPTICAL_LABEL = 1
OPTICAL_IS_MEDIA_PRESENT = 2
OPTICAL_DEV_KEY = 3
OPTICAL_MEDIA_KEY = 4
OPTICAL_IS_VALID = 5
try:
import gi
gi.check_version("3.7.4")
can_set_row_none = True
except (ValueError, AttributeError):
can_set_row_none = False
vm_status_icons = {
libvirt.VIR_DOMAIN_BLOCKED: "state_running",
libvirt.VIR_DOMAIN_CRASHED: "state_shutoff",
libvirt.VIR_DOMAIN_PAUSED: "state_paused",
libvirt.VIR_DOMAIN_RUNNING: "state_running",
libvirt.VIR_DOMAIN_SHUTDOWN: "state_shutoff",
libvirt.VIR_DOMAIN_SHUTOFF: "state_shutoff",
libvirt.VIR_DOMAIN_NOSTATE: "state_running",
# VIR_DOMAIN_PMSUSPENDED
7: "state_paused",
}
############################################################
# Helpers for shared storage UI between create/addhardware #
############################################################
def set_sparse_tooltip(widget):
sparse_str = _("Fully allocating storage may take longer now, "
"but the OS install phase will be quicker. \n\n"
"Skipping allocation can also cause space issues on "
"the host machine, if the maximum image size exceeds "
"available storage space. \n\n"
"Tip: Storage format qcow2 and qed "
"do not support full allocation.")
widget.set_tooltip_text(sparse_str)
def host_disk_space(conn):
pool = get_default_pool(conn)
path = get_default_dir(conn)
avail = 0
if pool and pool.is_active():
# FIXME: make sure not inactive?
# FIXME: use a conn specific function after we send pool-added
pool.refresh()
avail = int(util.xpath(pool.get_xml(), "/pool/available"))
elif not conn.is_remote() and os.path.exists(path):
vfs = os.statvfs(os.path.dirname(path))
avail = vfs[statvfs.F_FRSIZE] * vfs[statvfs.F_BAVAIL]
return float(avail / 1024.0 / 1024.0 / 1024.0)
def update_host_space(conn, widget):
try:
max_storage = host_disk_space(conn)
except:
logging.exception("Error determining host disk space")
return
def pretty_storage(size):
return "%.1f GB" % float(size)
hd_label = ("%s available in the default location" %
pretty_storage(max_storage))
hd_label = ("<span color='#484848'>%s</span>" % hd_label)
widget.set_markup(hd_label)
def check_default_pool_active(err, conn):
default_pool = get_default_pool(conn)
if default_pool and not default_pool.is_active():
res = err.yes_no(_("Default pool is not active."),
_("Storage pool '%s' is not active. "
"Would you like to start the pool "
"now?") % default_pool.get_name())
if not res:
return False
# Try to start the pool
try:
default_pool.start()
logging.info("Started pool '%s'", default_pool.get_name())
except Exception, e:
return err.show_err(_("Could not start storage_pool "
"'%s': %s") %
(default_pool.get_name(), str(e)))
return True
#####################################################
# Hardware model list building (for details, addhw) #
#####################################################
def build_video_combo(vm, video_dev, no_default=None):
video_dev_model = Gtk.ListStore(str, str)
video_dev.set_model(video_dev_model)
text = Gtk.CellRendererText()
video_dev.pack_start(text, True)
video_dev.add_attribute(text, 'text', 1)
video_dev_model.set_sort_column_id(1, Gtk.SortType.ASCENDING)
populate_video_combo(vm, video_dev, no_default)
def populate_video_combo(vm, video_dev, no_default=None):
video_dev_model = video_dev.get_model()
has_spice = bool([g for g in vm.get_graphics_devices()
if g.type == g.TYPE_SPICE])
has_qxl = bool([v for v in vm.get_video_devices()
if v.model == "qxl"])
video_dev_model.clear()
tmpdev = virtinst.VirtualVideoDevice(vm.conn.get_backend())
for m in tmpdev.MODELS:
if not vm.rhel6_defaults():
if m == "qxl" and not has_spice and not has_qxl:
# Only list QXL video option when VM has SPICE video
continue
if m == tmpdev.MODEL_DEFAULT and no_default:
continue
video_dev_model.append([m, tmpdev.pretty_model(m)])
if len(video_dev_model) > 0:
video_dev.set_active(0)
def build_sound_combo(vm, combo, no_default=False):
dev_model = Gtk.ListStore(str)
combo.set_model(dev_model)
text = Gtk.CellRendererText()
combo.pack_start(text, True)
combo.add_attribute(text, 'text', 0)
dev_model.set_sort_column_id(0, Gtk.SortType.ASCENDING)
disable_rhel = not vm.rhel6_defaults()
rhel_soundmodels = ["ich6", "ac97"]
for m in virtinst.VirtualAudio.MODELS:
if m == virtinst.VirtualAudio.MODEL_DEFAULT and no_default:
continue
if (disable_rhel and m not in rhel_soundmodels):
continue
dev_model.append([m])
if len(dev_model) > 0:
combo.set_active(0)
def build_watchdogmodel_combo(vm, combo, no_default=False):
ignore = vm
dev_model = Gtk.ListStore(str)
combo.set_model(dev_model)
text = Gtk.CellRendererText()
combo.pack_start(text, True)
combo.add_attribute(text, 'text', 0)
dev_model.set_sort_column_id(0, Gtk.SortType.ASCENDING)
for m in virtinst.VirtualWatchdog.MODELS:
if m == virtinst.VirtualAudio.MODEL_DEFAULT and no_default:
continue
dev_model.append([m])
if len(dev_model) > 0:
combo.set_active(0)
def build_watchdogaction_combo(vm, combo, no_default=False):
ignore = vm
dev_model = Gtk.ListStore(str, str)
combo.set_model(dev_model)
text = Gtk.CellRendererText()
combo.pack_start(text, True)
combo.add_attribute(text, 'text', 1)
dev_model.set_sort_column_id(0, Gtk.SortType.ASCENDING)
for m in virtinst.VirtualWatchdog.ACTIONS:
if m == virtinst.VirtualWatchdog.ACTION_DEFAULT and no_default:
continue
dev_model.append([m, virtinst.VirtualWatchdog.get_action_desc(m)])
if len(dev_model) > 0:
combo.set_active(0)
def build_source_mode_combo(vm, combo):
source_mode = Gtk.ListStore(str, str)
combo.set_model(source_mode)
text = Gtk.CellRendererText()
combo.pack_start(text, True)
combo.add_attribute(text, 'text', 1)
populate_source_mode_combo(vm, combo)
combo.set_active(0)
def populate_source_mode_combo(vm, combo):
ignore = vm
model = combo.get_model()
model.clear()
# [xml value, label]
model.append([None, "Default"])
model.append(["vepa", "VEPA"])
model.append(["bridge", "Bridge"])
model.append(["private", "Private"])
model.append(["passthrough", "Passthrough"])
def build_smartcard_mode_combo(vm, combo):
dev_model = Gtk.ListStore(str, str)
combo.set_model(dev_model)
text = Gtk.CellRendererText()
combo.pack_start(text, True)
combo.add_attribute(text, 'text', 1)
dev_model.set_sort_column_id(0, Gtk.SortType.ASCENDING)
populate_smartcard_mode_combo(vm, combo)
idx = -1
for rowid in range(len(combo.get_model())):
idx = 0
row = combo.get_model()[rowid]
if row[0] == virtinst.VirtualSmartCardDevice.MODE_DEFAULT:
idx = rowid
break
combo.set_active(idx)
def populate_smartcard_mode_combo(vm, combo):
ignore = vm
model = combo.get_model()
model.clear()
# [xml value, label]
model.append(["passthrough", "Passthrough"])
model.append(["host", "Host"])
def build_redir_type_combo(vm, combo):
source_mode = Gtk.ListStore(str, str, bool)
combo.set_model(source_mode)
text = Gtk.CellRendererText()
combo.pack_start(text, True)
combo.add_attribute(text, 'text', 1)
populate_redir_type_combo(vm, combo)
combo.set_active(0)
def populate_redir_type_combo(vm, combo):
ignore = vm
model = combo.get_model()
model.clear()
# [xml value, label, conn details]
model.append(["spicevmc", "Spice channel", False])
model.append(["tcp", "TCP", True])
def build_tpm_type_combo(vm, combo):
dev_model = Gtk.ListStore(str, str)
combo.set_model(dev_model)
text = Gtk.CellRendererText()
combo.pack_start(text, True)
combo.add_attribute(text, 'text', 1)
dev_model.set_sort_column_id(0, Gtk.SortType.ASCENDING)
populate_tpm_type_combo(vm, combo)
idx = -1
for rowid in range(len(combo.get_model())):
idx = 0
row = combo.get_model()[rowid]
if row[0] == virtinst.VirtualTPMDevice.TYPE_DEFAULT:
idx = rowid
break
combo.set_active(idx)
def populate_tpm_type_combo(vm, combo):
ignore = vm
types = combo.get_model()
types.clear()
# [xml value, label]
for t in virtinst.VirtualTPMDevice.TYPES:
types.append([t, virtinst.VirtualTPMDevice.get_pretty_type(t)])
def build_netmodel_combo(vm, combo):
dev_model = Gtk.ListStore(str, str)
combo.set_model(dev_model)
text = Gtk.CellRendererText()
combo.pack_start(text, True)
combo.add_attribute(text, 'text', 1)
dev_model.set_sort_column_id(0, Gtk.SortType.ASCENDING)
populate_netmodel_combo(vm, combo)
combo.set_active(0)
def populate_netmodel_combo(vm, combo):
model = combo.get_model()
model.clear()
# [xml value, label]
model.append([None, _("Hypervisor default")])
if vm.is_hvm():
mod_list = ["rtl8139", "ne2k_pci", "pcnet", "e1000"]
if vm.get_hv_type() in ["kvm", "qemu", "test"]:
mod_list.append("virtio")
if (vm.get_hv_type() == "kvm" and
vm.get_machtype() == "pseries"):
mod_list.append("spapr-vlan")
if vm.get_hv_type() in ["xen", "test"]:
mod_list.append("netfront")
mod_list.sort()
for m in mod_list:
model.append([m, m])
def build_cache_combo(vm, combo, no_default=False):
ignore = vm
dev_model = Gtk.ListStore(str, str)
combo.set_model(dev_model)
text = Gtk.CellRendererText()
combo.pack_start(text, True)
combo.add_attribute(text, 'text', 1)
dev_model.set_sort_column_id(0, Gtk.SortType.ASCENDING)
combo.set_active(-1)
for m in virtinst.VirtualDisk.cache_types:
dev_model.append([m, m])
if not no_default:
dev_model.append([None, "default"])
combo.set_active(0)
def build_io_combo(vm, combo, no_default=False):
ignore = vm
dev_model = Gtk.ListStore(str, str)
combo.set_model(dev_model)
text = Gtk.CellRendererText()
combo.pack_start(text, True)
combo.add_attribute(text, 'text', 1)
dev_model.set_sort_column_id(0, Gtk.SortType.ASCENDING)
combo.set_active(-1)
for m in virtinst.VirtualDisk.io_modes:
dev_model.append([m, m])
if not no_default:
dev_model.append([None, "default"])
combo.set_active(0)
def build_disk_bus_combo(vm, combo, no_default=False):
ignore = vm
dev_model = Gtk.ListStore(str, str)
combo.set_model(dev_model)
text = Gtk.CellRendererText()
combo.pack_start(text, True)
combo.add_attribute(text, 'text', 1)
dev_model.set_sort_column_id(0, Gtk.SortType.ASCENDING)
if not no_default:
dev_model.append([None, "default"])
combo.set_active(-1)
def build_vnc_keymap_combo(vm, combo, no_default=False):
ignore = vm
model = Gtk.ListStore(str, str)
combo.set_model(model)
text = Gtk.CellRendererText()
combo.pack_start(text, True)
combo.add_attribute(text, 'text', 1)
if not no_default:
model.append([None, "default"])
else:
model.append([None, "Auto"])
model.append([virtinst.VirtualGraphics.KEYMAP_LOCAL,
"Copy local keymap"])
for k in virtinst.VirtualGraphics.valid_keymaps():
model.append([k, k])
combo.set_active(-1)
#####################################
# Storage format list/combo helpers #
#####################################
def update_storage_format_combo(vm, combo, create):
dev_model = Gtk.ListStore(str)
combo.set_model(dev_model)
combo.set_entry_text_column(0)
formats = ["raw", "qcow2", "qed"]
no_create_formats = []
if vm.rhel6_defaults():
formats.append("vmdk")
no_create_formats.append("vdi")
for m in formats:
dev_model.append([m])
if not create:
for m in no_create_formats:
dev_model.append([m])
if create:
# TODO: make the default storage format configurable
combo.set_active(0)
#######################################################################
# Widgets for listing network device options (in create, addhardware) #
#######################################################################
def pretty_network_desc(nettype, source=None, netobj=None):
if nettype == virtinst.VirtualNetworkInterface.TYPE_USER:
return _("Usermode networking")
extra = None
if nettype == virtinst.VirtualNetworkInterface.TYPE_BRIDGE:
ret = _("Bridge")
elif nettype == virtinst.VirtualNetworkInterface.TYPE_VIRTUAL:
ret = _("Virtual network")
if netobj:
extra = ": %s" % netobj.pretty_forward_mode()
else:
ret = nettype.capitalize()
if source:
ret += " '%s'" % source
if extra:
ret += " %s" % extra
return ret
def init_network_list(net_list, bridge_box,
source_mode_box=None, source_mode_label=None,
vport_expander=None):
# [ network type, source name, label, sensitive?, net is active,
# manual bridge, net instance]
net_model = Gtk.ListStore(str, str, str, bool, bool, bool, object)
net_list.set_model(net_model)
net_list.connect("changed", net_list_changed, bridge_box, source_mode_box,
source_mode_label, vport_expander)
text = Gtk.CellRendererText()
net_list.pack_start(text, True)
net_list.add_attribute(text, 'text', 2)
net_list.add_attribute(text, 'sensitive', 3)
def net_list_changed(net_list, bridge_box,
source_mode_box, source_mode_label, vport_expander):
active = net_list.get_active()
if active < 0:
return
if not bridge_box:
return
row = net_list.get_model()[active]
if source_mode_box is not None:
show_source_mode = (row[0] ==
virtinst.VirtualNetworkInterface.TYPE_DIRECT)
source_mode_box.set_visible(show_source_mode)
source_mode_label.set_visible(show_source_mode)
vport_expander.set_visible(show_source_mode)
show_bridge = row[5]
bridge_box.set_visible(show_bridge)
def get_network_selection(net_list, bridge_entry):
idx = net_list.get_active()
if idx == -1:
return None, None
row = net_list.get_model()[net_list.get_active()]
net_type = row[0]
net_src = row[1]
net_check_bridge = row[5]
if net_check_bridge and bridge_entry:
net_type = virtinst.VirtualNetworkInterface.TYPE_BRIDGE
net_src = bridge_entry.get_text()
return net_type, net_src
def populate_network_list(net_list, conn, show_direct_interfaces=True):
model = net_list.get_model()
model.clear()
vnet_bridges = []
vnet_dict = {}
bridge_dict = {}
iface_dict = {}
def build_row(nettype, name, label, is_sensitive, is_running,
manual_bridge=False, key=None):
return [nettype, name, label,
is_sensitive, is_running, manual_bridge,
key]
def set_active(idx):
net_list.set_active(idx)
def add_dict(indict, model):
keylist = indict.keys()
keylist.sort()
rowlist = [indict[k] for k in keylist]
for row in rowlist:
model.append(row)
# For qemu:///session
if conn.is_qemu_session():
nettype = virtinst.VirtualNetworkInterface.TYPE_USER
r = build_row(nettype, None, pretty_network_desc(nettype), True, True)
model.append(r)
set_active(0)
return
hasNet = False
netIdxLabel = None
# Virtual Networks
for uuid in conn.list_net_uuids():
net = conn.get_net(uuid)
nettype = virtinst.VirtualNetworkInterface.TYPE_VIRTUAL
label = pretty_network_desc(nettype, net.get_name(), net)
if not net.is_active():
label += " (%s)" % _("Inactive")
hasNet = True
# FIXME: Should we use 'default' even if it's inactive?
# FIXME: This preference should be configurable
if net.get_name() == "default":
netIdxLabel = label
vnet_dict[label] = build_row(nettype, net.get_name(), label, True,
net.is_active(), key=net.get_uuid())
# Build a list of vnet bridges, so we know not to list them
# in the physical interface list
vnet_bridge = net.get_bridge_device()
if vnet_bridge:
vnet_bridges.append(vnet_bridge)
if not hasNet:
label = _("No virtual networks available")
vnet_dict[label] = build_row(None, None, label, False, False)
vnet_taps = []
for vm in conn.vms.values():
for nic in vm.get_network_devices(refresh_if_nec=False):
if nic.target_dev and nic.target_dev not in vnet_taps:
vnet_taps.append(nic.target_dev)
skip_ifaces = ["lo"]
# Physical devices
hasShared = False
brIdxLabel = None
for name in conn.list_net_device_paths():
br = conn.get_net_device(name)
bridge_name = br.get_bridge()
nettype = virtinst.VirtualNetworkInterface.TYPE_BRIDGE
if ((bridge_name in vnet_bridges) or
(br.get_name() in vnet_bridges) or
(br.get_name() in vnet_taps) or
(br.get_name() in [v + "-nic" for v in vnet_bridges]) or
(br.get_name() in skip_ifaces)):
# Don't list this, as it is basically duplicating virtual net info
continue
if br.is_shared():
sensitive = True
if br.get_bridge():
hasShared = True
brlabel = "(%s)" % pretty_network_desc(nettype, bridge_name)
else:
bridge_name = name
brlabel = _("(Empty bridge)")
else:
if (show_direct_interfaces and
conn.check_conn_support(
conn.SUPPORT_CONN_HV_DIRECT_INTERFACE)):
sensitive = True
nettype = virtinst.VirtualNetworkInterface.TYPE_DIRECT
bridge_name = name
brlabel = ": %s" % _("macvtap")
else:
sensitive = False
brlabel = "(%s)" % _("Not bridged")
label = _("Host device %s %s") % (br.get_name(), brlabel)
if hasShared and not brIdxLabel:
brIdxLabel = label
row = build_row(nettype, bridge_name, label, sensitive, True,
key=br.get_name())
if sensitive:
bridge_dict[label] = row
else:
iface_dict[label] = row
add_dict(bridge_dict, model)
add_dict(vnet_dict, model)
add_dict(iface_dict, model)
# If there is a bridge device, default to that
# If not, use 'default' network
# If not present, use first list entry
# If list empty, use no network devices
return_warn = False
label = brIdxLabel or netIdxLabel
for idx in range(len(model)):
row = model[idx]
is_inactive = not row[4]
if label:
if row[2] == label:
default = idx
return_warn = is_inactive
break
else:
if row[3] is True:
default = idx
return_warn = is_inactive
break
else:
return_warn = True
row = build_row(None, None, _("No networking"), True, False)
model.insert(0, row)
default = 0
# After all is said and done, add a manual bridge option
manual_row = build_row(None, None, _("Specify shared device name"),
True, False, manual_bridge=True)
model.append(manual_row)
set_active(default)
return return_warn
def validate_network(err, conn, nettype, devname, macaddr, model=None):
net = None
if nettype is None:
return None
# Make sure VirtualNetwork is running
netobj = None
if nettype == virtinst.VirtualNetworkInterface.TYPE_VIRTUAL:
for net in conn.nets.values():
if net.get_name() == devname:
netobj = net
break
if netobj and not netobj.is_active():
res = err.yes_no(_("Virtual Network is not active."),
_("Virtual Network '%s' is not active. "
"Would you like to start the network "
"now?") % devname)
if not res:
return False
# Try to start the network
try:
netobj.start()
netobj.tick()
logging.info("Started network '%s'", devname)
except Exception, e:
return err.show_err(_("Could not start virtual network "
"'%s': %s") % (devname, str(e)))
# Create network device
try:
bridge = None
netname = None
if nettype == virtinst.VirtualNetworkInterface.TYPE_VIRTUAL:
netname = devname
elif nettype == virtinst.VirtualNetworkInterface.TYPE_BRIDGE:
bridge = devname
elif nettype == virtinst.VirtualNetworkInterface.TYPE_DIRECT:
bridge = devname
elif nettype == virtinst.VirtualNetworkInterface.TYPE_USER:
pass
net = virtinst.VirtualNetworkInterface(conn.get_backend())
net.type = nettype
net.bridge = bridge
net.network = netname
net.macaddr = macaddr
net.model = model
if net.model == "spapr-vlan":
net.address.set_addrstr("spapr-vio")
except Exception, e:
return err.val_err(_("Error with network parameters."), e)
# Make sure there is no mac address collision
isfatal, errmsg = net.is_conflict_net(conn.get_backend(), net.macaddr)
if isfatal:
return err.val_err(_("Mac address collision."), errmsg)
elif errmsg is not None:
retv = err.yes_no(_("Mac address collision."),
_("%s Are you sure you want to use this "
"address?") % errmsg)
if not retv:
return False
return net
############################################
# Populate media widget (choosecd, create) #
############################################
def init_mediadev_combo(widget):
# [Device path, pretty label, has_media?, device key, media key,
# vmmMediaDevice, is valid device]
model = Gtk.ListStore(str, str, bool, str, str, bool)
widget.set_model(model)
model.clear()
text = Gtk.CellRendererText()
widget.pack_start(text, True)
widget.add_attribute(text, 'text', OPTICAL_LABEL)
widget.add_attribute(text, 'sensitive', OPTICAL_IS_VALID)
def populate_mediadev_combo(conn, widget, devtype):
sigs = []
model = widget.get_model()
model.clear()
set_mediadev_default(model)
sigs.append(conn.connect("mediadev-added", mediadev_added, widget, devtype))
sigs.append(conn.connect("mediadev-removed", mediadev_removed, widget))
widget.set_active(-1)
mediadev_set_default_selection(widget)
return sigs
def set_mediadev_default(model):
if len(model) == 0:
model.append([None, _("No device present"), False, None, None, False])
def set_row_from_object(row, obj):
row[OPTICAL_DEV_PATH] = obj.get_path()
row[OPTICAL_LABEL] = obj.pretty_label()
row[OPTICAL_IS_MEDIA_PRESENT] = obj.has_media()
row[OPTICAL_DEV_KEY] = obj.get_key()
row[OPTICAL_MEDIA_KEY] = obj.get_media_key()
row[OPTICAL_IS_VALID] = True
def mediadev_removed(ignore_helper, key, widget):
model = widget.get_model()
active = widget.get_active()
idx = 0
for row in model:
if row[OPTICAL_DEV_KEY] == key:
# Whole device removed
del(model[idx])
if idx > active and active != -1:
widget.set_active(active - 1)
elif idx == active:
widget.set_active(-1)
idx += 1
set_mediadev_default(model)
mediadev_set_default_selection(widget)
def mediadev_added(ignore_helper, newobj, widget, devtype):
model = widget.get_model()
if newobj.get_media_type() != devtype:
return
if model is None:
return
if len(model) == 1 and model[0][OPTICAL_IS_VALID] is False:
# Only entry is the 'No device' entry
model.clear()
newobj.connect("media-added", mediadev_media_changed, widget)
newobj.connect("media-removed", mediadev_media_changed, widget)
# Brand new device
row = [None, None, None, None, None, None]
set_row_from_object(row, newobj)
model.append(row)
mediadev_set_default_selection(widget)
def mediadev_media_changed(newobj, widget):
model = widget.get_model()
active = widget.get_active()
idx = 0
# Search for the row with matching device node and
# fill in info about inserted media. If model has no current
# selection, select the new media.
for row in model:
if row[OPTICAL_DEV_PATH] == newobj.get_path():
set_row_from_object(row, newobj)
has_media = row[OPTICAL_IS_MEDIA_PRESENT]
if has_media and active == -1:
widget.set_active(idx)
elif not has_media and active == idx:
widget.set_active(-1)
idx = idx + 1
mediadev_set_default_selection(widget)
def mediadev_set_default_selection(widget):
# Set the first active cdrom device as selected, otherwise none
model = widget.get_model()
idx = 0
active = widget.get_active()
if active != -1:
# already a selection, don't change it
return
for row in model:
if row[OPTICAL_IS_MEDIA_PRESENT] is True:
widget.set_active(idx)
return
idx += 1
widget.set_active(-1)
####################################################################
# Build toolbar shutdown button menu (manager and details toolbar) #
####################################################################
def build_shutdown_button_menu(widget, shutdown_cb, reboot_cb, reset_cb,
destroy_cb, save_cb):
widget.set_icon_name("system-shutdown")
menu = Gtk.Menu()
widget.set_menu(menu)
rebootimg = Gtk.Image.new_from_icon_name("system-shutdown",
Gtk.IconSize.MENU)
shutdownimg = Gtk.Image.new_from_icon_name("system-shutdown",
Gtk.IconSize.MENU)
destroyimg = Gtk.Image.new_from_icon_name("system-shutdown",
Gtk.IconSize.MENU)
resetimg = Gtk.Image.new_from_icon_name("system-shutdown",
Gtk.IconSize.MENU)
saveimg = Gtk.Image.new_from_icon_name(Gtk.STOCK_SAVE, Gtk.IconSize.MENU)
reboot = Gtk.ImageMenuItem.new_with_mnemonic(_("_Reboot"))
reboot.set_image(rebootimg)
reboot.show()
reboot.connect("activate", reboot_cb)
menu.add(reboot)
shutdown = Gtk.ImageMenuItem.new_with_mnemonic(_("_Shut Down"))
shutdown.set_image(shutdownimg)
shutdown.show()
shutdown.connect("activate", shutdown_cb)
menu.add(shutdown)
reset = Gtk.ImageMenuItem.new_with_mnemonic(_("_Force Reset"))
reset.set_image(resetimg)
reset.show()
reset.connect("activate", reset_cb)
menu.add(reset)
destroy = Gtk.ImageMenuItem.new_with_mnemonic(_("_Force Off"))
destroy.set_image(destroyimg)
destroy.show()
destroy.connect("activate", destroy_cb)
menu.add(destroy)
sep = Gtk.SeparatorMenuItem()
sep.show()
menu.add(sep)
save = Gtk.ImageMenuItem.new_with_mnemonic(_("Sa_ve"))
save.set_image(saveimg)
save.show()
save.connect("activate", save_cb)
menu.add(save)
#####################################
# Path permissions checker for qemu #
#####################################
def check_path_search_for_qemu(err, conn, path):
if conn.is_remote() or not conn.is_qemu_system():
return
user = config.running_config.default_qemu_user
skip_paths = config.running_config.get_perms_fix_ignore()
broken_paths = virtinst.VirtualDisk.check_path_search_for_user(
conn.get_backend(),
path, user)
for p in broken_paths:
if p in skip_paths:
broken_paths.remove(p)
if not broken_paths:
return
logging.debug("No search access for dirs: %s", broken_paths)
resp, chkres = err.warn_chkbox(
_("The emulator may not have search permissions "
"for the path '%s'.") % path,
_("Do you want to correct this now?"),
_("Don't ask about these directories again."),
buttons=Gtk.ButtonsType.YES_NO)
if chkres:
config.running_config.add_perms_fix_ignore(broken_paths)
if not resp:
return
logging.debug("Attempting to correct permission issues.")
errors = virtinst.VirtualDisk.fix_path_search_for_user(conn.get_backend(),
path, user)
if not errors:
return
errmsg = _("Errors were encountered changing permissions for the "
"following directories:")
details = ""
for path, error in errors.items():
if path not in broken_paths:
continue
details += "%s : %s\n" % (path, error)
logging.debug("Permission errors:\n%s", details)
ignore, chkres = err.err_chkbox(errmsg, details,
_("Don't ask about these directories again."))
if chkres:
config.running_config.add_perms_fix_ignore(errors.keys())
######################################
# Interface startmode widget builder #
######################################
def build_startmode_combo(start_list):
start_model = Gtk.ListStore(str)
start_list.set_model(start_model)
text = Gtk.CellRendererText()
start_list.pack_start(text, True)
start_list.add_attribute(text, 'text', 0)
start_model.append(["none"])
start_model.append(["onboot"])
start_model.append(["hotplug"])
#########################
# Console keycombo menu #
#########################
def build_keycombo_menu(cb):
menu = Gtk.Menu()
def make_item(name, combo):
item = Gtk.MenuItem.new_with_mnemonic(name)
item.connect("activate", cb, combo)
menu.add(item)
make_item("Ctrl+Alt+_Backspace", ["Control_L", "Alt_L", "BackSpace"])
make_item("Ctrl+Alt+_Delete", ["Control_L", "Alt_L", "Delete"])
menu.add(Gtk.SeparatorMenuItem())
for i in range(1, 13):
make_item("Ctrl+Alt+F_%d" % i, ["Control_L", "Alt_L", "F%d" % i])
menu.add(Gtk.SeparatorMenuItem())
make_item("_Printscreen", ["Print"])
menu.show_all()
return menu
#############
# Misc bits #
#############
def spin_get_helper(widget):
adj = widget.get_adjustment()
txt = widget.get_text()
try:
ret = int(txt)
except:
ret = adj.get_value()
return ret
def get_default_pool_path(conn):
if conn.is_session_uri():
return os.path.expanduser("~/VirtualMachines")
return "/var/lib/libvirt/images"
def get_default_pool_name(conn):
ignore = conn
return "default"
def build_default_pool(vmmconn):
"""
Helper to build the 'default' storage pool
"""
conn = vmmconn.get_backend()
path = get_default_pool_path(vmmconn)
name = get_default_pool_name(vmmconn)
pool = None
try:
pool = conn.storagePoolLookupByName(name)
except libvirt.libvirtError:
pass
if pool:
return
try:
logging.debug("Attempting to build default pool with target '%s'",
path)
defpool = virtinst.Storage.DirectoryPool(conn=conn,
name=name,
target_path=path)
newpool = defpool.install(build=True, create=True)
newpool.setAutostart(True)
except Exception, e:
raise RuntimeError(_("Couldn't create default storage pool '%s': %s") %
(path, str(e)))
def get_ideal_path_info(conn, name):
path = get_default_dir(conn)
suffix = ".img"
return (path, name, suffix)
def get_ideal_path(conn, name):
target, name, suffix = get_ideal_path_info(conn, name)
return os.path.join(target, name) + suffix
def get_default_pool(conn):
pool = None
default_name = get_default_pool_name(conn)
for uuid in conn.list_pool_uuids():
p = conn.get_pool(uuid)
if p.get_name() == default_name:
pool = p
return pool
def get_default_dir(conn):
pool = get_default_pool(conn)
if pool:
return pool.get_target_path()
else:
return config.running_config.get_default_image_dir(conn)
def get_default_path(conn, name, collidelist=None):
collidelist = collidelist or []
pool = get_default_pool(conn)
default_dir = get_default_dir(conn)
def path_exists(p):
return os.path.exists(p) or p in collidelist
if not pool:
# Use old generating method
origf = os.path.join(default_dir, name + ".img")
f = origf
n = 1
while path_exists(f) and n < 100:
f = os.path.join(default_dir, name +
"-" + str(n) + ".img")
n += 1
if path_exists(f):
f = origf
path = f
else:
target, ignore, suffix = get_ideal_path_info(conn, name)
# Sanitize collidelist to work with the collision checker
newcollidelist = []
for c in collidelist:
if c and os.path.dirname(c) == pool.get_target_path():
newcollidelist.append(os.path.basename(c))
path = virtinst.Storage.StorageVolume.find_free_name(name,
pool_object=pool.get_backend(), suffix=suffix,
collidelist=newcollidelist)
path = os.path.join(target, path)
return path
def browse_local(parent, dialog_name, conn, start_folder=None,
_type=None, dialog_type=None,
confirm_func=None, browse_reason=None,
choose_button=None, default_name=None):
"""
Helper function for launching a filechooser
@param parent: Parent window for the filechooser
@param dialog_name: String to use in the title bar of the filechooser.
@param conn: vmmConnection used by calling class
@param start_folder: Folder the filechooser is viewing at startup
@param _type: File extension to filter by (e.g. "iso", "png")
@param dialog_type: Maps to FileChooserDialog 'action'
@param confirm_func: Optional callback function if file is chosen.
@param browse_reason: The vmmConfig.CONFIG_DIR* reason we are browsing.
If set, this will override the 'folder' parameter with the gconf
value, and store the user chosen path.
"""
# Initial setup
overwrite_confirm = False
if dialog_type is None:
dialog_type = Gtk.FileChooserAction.OPEN
if dialog_type == Gtk.FileChooserAction.SAVE:
if choose_button is None:
choose_button = Gtk.STOCK_SAVE
overwrite_confirm = True
if choose_button is None:
choose_button = Gtk.STOCK_OPEN
fcdialog = Gtk.FileChooserDialog(title=dialog_name,
parent=parent,
action=dialog_type,
buttons=(Gtk.STOCK_CANCEL,
Gtk.ResponseType.CANCEL,
choose_button,
Gtk.ResponseType.ACCEPT))
fcdialog.set_default_response(Gtk.ResponseType.ACCEPT)
if default_name:
fcdialog.set_current_name(default_name)
# If confirm is set, warn about a file overwrite
if confirm_func:
overwrite_confirm = True
fcdialog.connect("confirm-overwrite", confirm_func)
fcdialog.set_do_overwrite_confirmation(overwrite_confirm)
# Set file match pattern (ex. *.png)
if _type is not None:
pattern = _type
name = None
if type(_type) is tuple:
pattern = _type[0]
name = _type[1]
f = Gtk.FileFilter()
f.add_pattern("*." + pattern)
if name:
f.set_name(name)
fcdialog.set_filter(f)
# Set initial dialog folder
if browse_reason:
start_folder = config.running_config.get_default_directory(conn,
browse_reason)
if start_folder is not None:
if os.access(start_folder, os.R_OK):
fcdialog.set_current_folder(start_folder)
# Run the dialog and parse the response
ret = None
if fcdialog.run() == Gtk.ResponseType.ACCEPT:
ret = fcdialog.get_filename()
fcdialog.destroy()
# Store the chosen directory in gconf if necessary
if ret and browse_reason and not ret.startswith("/dev"):
config.running_config.set_default_directory(os.path.dirname(ret),
browse_reason)
return ret
def pretty_hv(gtype, domtype):
"""
Convert XML <domain type='foo'> and <os><type>bar</type>
into a more human relevant string.
"""
gtype = gtype.lower()
domtype = domtype.lower()
label = domtype
if domtype == "kvm":
if gtype == "xen":
label = "xenner"
elif domtype == "xen":
if gtype == "xen":
label = "xen (paravirt)"
elif gtype == "hvm":
label = "xen (fullvirt)"
elif domtype == "test":
if gtype == "xen":
label = "test (xen)"
elif gtype == "hvm":
label = "test (hvm)"
return label
def iface_in_use_by(conn, name):
use_str = ""
for i in conn.list_interface_names():
iface = conn.get_interface(i)
if name in iface.get_slave_names():
if use_str:
use_str += ", "
use_str += iface.get_name()
return use_str
def chkbox_helper(src, getcb, setcb, text1, text2=None,
alwaysrecord=False,
default=True,
chktext=_("Don't ask me again")):
"""
Helper to prompt user about proceeding with an operation
Returns True if the 'yes' or 'ok' button was selected, False otherwise
@alwaysrecord: Don't require user to select 'yes' to record chkbox value
@default: What value to return if getcb tells us not to prompt
"""
do_prompt = getcb()
if not do_prompt:
return default
res = src.err.warn_chkbox(text1=text1, text2=text2,
chktext=chktext,
buttons=Gtk.ButtonsType.YES_NO)
response, skip_prompt = res
if alwaysrecord or response:
setcb(not skip_prompt)
return response
def get_list_selection(widget):
selection = widget.get_selection()
active = selection.get_selected()
treestore, treeiter = active
if treeiter is not None:
return treestore[treeiter]
return None
def set_list_selection(widget, rownum):
path = str(rownum)
selection = widget.get_selection()
selection.unselect_all()
widget.set_cursor(path)
selection.select_path(path)
def child_get_property(parent, child, propname):
# Wrapper for child_get_property, which pygobject doesn't properly
# introspect
value = GObject.Value()
value.init(GObject.TYPE_INT)
parent.child_get_property(child, propname, value)
return value.get_int()
def set_grid_row_visible(child, visible):
# For the passed widget, find its parent GtkGrid, and hide/show all
# elements that are in the same row as it. Simplifies having to name
# every element in a row when we want to dynamically hide things
# based on UI interraction
parent = child.get_parent()
if not type(parent) is Gtk.Grid:
raise RuntimeError("Programming error, parent must be grid, "
"not %s" % type(parent))
row = child_get_property(parent, child, "top-attach")
for child in parent.get_children():
if child_get_property(parent, child, "top-attach") == row:
child.set_visible(visible)
def default_uri(always_system=False):
if os.path.exists('/var/lib/xend'):
if (os.path.exists('/dev/xen/evtchn') or
os.path.exists("/proc/xen")):
return 'xen:///'
if (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")):
if always_system or os.geteuid() == 0:
return "qemu:///system"
else:
return "qemu:///session"
return None
def exception_is_libvirt_error(e, error):
return (hasattr(libvirt, error) and
e.get_error_code() == getattr(libvirt, error))
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