virt-manager/virtManager/manager.py

1141 lines
40 KiB
Python

#
# Copyright (C) 2006-2008, 2013-2014 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.
#
import logging
from gi.repository import GObject
from gi.repository import Gtk
from gi.repository import Gdk
from gi.repository import GdkPixbuf
from virtinst import util
from virtManager import vmmenu
from virtManager import uiutil
from virtManager.baseclass import vmmGObjectUI
from virtManager.graphwidgets import CellRendererSparkline
import libvirt
# Number of data points for performance graphs
GRAPH_LEN = 40
# fields in the tree model data set
(ROW_HANDLE,
ROW_SORT_KEY,
ROW_MARKUP,
ROW_STATUS_ICON,
ROW_HINT,
ROW_IS_CONN,
ROW_IS_CONN_CONNECTED,
ROW_IS_VM,
ROW_IS_VM_RUNNING,
ROW_COLOR,
ROW_INSPECTION_OS_ICON) = range(11)
# Columns in the tree view
(COL_NAME,
COL_GUEST_CPU,
COL_HOST_CPU,
COL_MEM,
COL_DISK,
COL_NETWORK) = range(6)
def _style_get_prop(widget, propname):
value = GObject.Value()
value.init(GObject.TYPE_INT)
widget.style_get_property(propname, value)
return value.get_int()
def _get_inspection_icon_pixbuf(vm, w, h):
# libguestfs gives us the PNG data as a string.
png_data = vm.inspection.icon
if png_data is None:
return None
try:
pb = GdkPixbuf.PixbufLoader()
pb.set_size(w, h)
pb.write(png_data)
pb.close()
return pb.get_pixbuf()
except:
logging.exception("Error loading inspection icon data")
vm.inspection.icon = None
return None
class vmmManager(vmmGObjectUI):
__gsignals__ = {
"action-show-connect": (GObject.SignalFlags.RUN_FIRST, None, []),
"action-show-domain": (GObject.SignalFlags.RUN_FIRST, None, [str, str]),
"action-show-about": (GObject.SignalFlags.RUN_FIRST, None, []),
"action-show-host": (GObject.SignalFlags.RUN_FIRST, None, [str]),
"action-show-preferences": (GObject.SignalFlags.RUN_FIRST, None, []),
"action-show-create": (GObject.SignalFlags.RUN_FIRST, None, [str]),
"action-suspend-domain": (GObject.SignalFlags.RUN_FIRST, None, [str, str]),
"action-resume-domain": (GObject.SignalFlags.RUN_FIRST, None, [str, str]),
"action-run-domain": (GObject.SignalFlags.RUN_FIRST, None, [str, str]),
"action-shutdown-domain": (GObject.SignalFlags.RUN_FIRST, None, [str, str]),
"action-reset-domain": (GObject.SignalFlags.RUN_FIRST, None, [str, str]),
"action-reboot-domain": (GObject.SignalFlags.RUN_FIRST, None, [str, str]),
"action-destroy-domain": (GObject.SignalFlags.RUN_FIRST, None, [str, str]),
"action-save-domain": (GObject.SignalFlags.RUN_FIRST, None, [str, str]),
"action-migrate-domain": (GObject.SignalFlags.RUN_FIRST, None, [str, str]),
"action-delete-domain": (GObject.SignalFlags.RUN_FIRST, None, [str, str]),
"action-clone-domain": (GObject.SignalFlags.RUN_FIRST, None, [str, str]),
"action-exit-app": (GObject.SignalFlags.RUN_FIRST, None, []),
"manager-closed": (GObject.SignalFlags.RUN_FIRST, None, []),
"manager-opened": (GObject.SignalFlags.RUN_FIRST, None, []),
"remove-conn": (GObject.SignalFlags.RUN_FIRST, None, [str]),
"add-default-conn": (GObject.SignalFlags.RUN_FIRST, None, []),
}
def __init__(self):
vmmGObjectUI.__init__(self, "manager.ui", "vmm-manager")
self.ignore_pause = False
# Mapping of rowkey -> tree model rows to
# allow O(1) access instead of O(n)
self.rows = {}
w, h = self.config.get_manager_window_size()
self.topwin.set_default_size(w or 550, h or 550)
self.prev_position = None
self.vmmenu = vmmenu.VMActionMenu(self, self.current_vm)
self.connmenu = Gtk.Menu()
self.connmenu_items = {}
self.builder.connect_signals({
"on_menu_view_guest_cpu_usage_activate":
self.toggle_stats_visible_guest_cpu,
"on_menu_view_host_cpu_usage_activate":
self.toggle_stats_visible_host_cpu,
"on_menu_view_memory_usage_activate":
self.toggle_stats_visible_memory_usage,
"on_menu_view_disk_io_activate" :
self.toggle_stats_visible_disk,
"on_menu_view_network_traffic_activate":
self.toggle_stats_visible_network,
"on_vm_manager_delete_event": self.close,
"on_vmm_manager_configure_event": self.window_resized,
"on_menu_file_add_connection_activate": self.new_conn,
"on_menu_new_vm_activate": self.new_vm,
"on_menu_file_quit_activate": self.exit_app,
"on_menu_file_close_activate": self.close,
"on_vmm_close_clicked": self.close,
"on_vm_open_clicked": self.show_vm,
"on_vm_run_clicked": self.start_vm,
"on_vm_new_clicked": self.new_vm,
"on_vm_shutdown_clicked": self.poweroff_vm,
"on_vm_pause_clicked": self.pause_vm_button,
"on_menu_edit_details_activate": self.show_vm,
"on_menu_edit_delete_activate": self.do_delete,
"on_menu_host_details_activate": self.show_host,
"on_vm_list_row_activated": self.show_vm,
"on_vm_list_button_press_event": self.popup_vm_menu_button,
"on_vm_list_key_press_event": self.popup_vm_menu_key,
"on_menu_edit_preferences_activate": self.show_preferences,
"on_menu_help_about_activate": self.show_about,
})
# There seem to be ref counting issues with calling
# list.get_column, so avoid it
self.diskcol = None
self.netcol = None
self.memcol = None
self.guestcpucol = None
self.hostcpucol = None
self.spacer_txt = None
self.init_vmlist()
self.init_stats()
self.init_toolbar()
self.init_context_menus()
self.update_current_selection()
self.widget("vm-list").get_selection().connect(
"changed", self.update_current_selection)
self.max_disk_rate = 10.0
self.max_net_rate = 10.0
# Initialize stat polling columns based on global polling
# preferences (we want signal handlers for this)
self.enable_polling(COL_GUEST_CPU)
self.enable_polling(COL_DISK)
self.enable_polling(COL_NETWORK)
self.enable_polling(COL_MEM)
# Queue up the default connection detector
self.idle_emit("add-default-conn")
##################
# Common methods #
##################
def show(self):
vis = self.is_visible()
self.topwin.present()
if vis:
return
logging.debug("Showing manager")
if self.prev_position:
self.topwin.move(*self.prev_position)
self.prev_position = None
self.emit("manager-opened")
def close(self, src_ignore=None, src2_ignore=None):
if not self.is_visible():
return
logging.debug("Closing manager")
self.prev_position = self.topwin.get_position()
self.topwin.hide()
self.emit("manager-closed")
return 1
def _cleanup(self):
self.rows = None
self.diskcol = None
self.guestcpucol = None
self.memcol = None
self.hostcpucol = None
self.netcol = None
self.vmmenu.destroy()
self.vmmenu = None
self.connmenu.destroy()
self.connmenu = None
self.connmenu_items = None
def is_visible(self):
return bool(self.topwin.get_visible())
def set_startup_error(self, msg):
self.widget("vm-notebook").set_current_page(1)
self.widget("startup-error-label").set_text(msg)
################
# Init methods #
################
def init_stats(self):
self.add_gconf_handle(
self.config.on_vmlist_guest_cpu_usage_visible_changed(
self.toggle_guest_cpu_usage_visible_widget))
self.add_gconf_handle(
self.config.on_vmlist_host_cpu_usage_visible_changed(
self.toggle_host_cpu_usage_visible_widget))
self.add_gconf_handle(
self.config.on_vmlist_memory_usage_visible_changed(
self.toggle_memory_usage_visible_widget))
self.add_gconf_handle(
self.config.on_vmlist_disk_io_visible_changed(
self.toggle_disk_io_visible_widget))
self.add_gconf_handle(
self.config.on_vmlist_network_traffic_visible_changed(
self.toggle_network_traffic_visible_widget))
# Register callbacks with the global stats enable/disable values
# that disable the associated vmlist widgets if reporting is disabled
self.add_gconf_handle(
self.config.on_stats_enable_cpu_poll_changed(
self.enable_polling, COL_GUEST_CPU))
self.add_gconf_handle(
self.config.on_stats_enable_disk_poll_changed(
self.enable_polling, COL_DISK))
self.add_gconf_handle(
self.config.on_stats_enable_net_poll_changed(
self.enable_polling, COL_NETWORK))
self.add_gconf_handle(
self.config.on_stats_enable_memory_poll_changed(
self.enable_polling, COL_MEM))
self.toggle_guest_cpu_usage_visible_widget()
self.toggle_host_cpu_usage_visible_widget()
self.toggle_memory_usage_visible_widget()
self.toggle_disk_io_visible_widget()
self.toggle_network_traffic_visible_widget()
def init_toolbar(self):
self.widget("vm-new").set_icon_name("vm_new")
self.widget("vm-open").set_icon_name("icon_console")
menu = vmmenu.VMShutdownMenu(self, self.current_vm)
self.widget("vm-shutdown").set_icon_name("system-shutdown")
self.widget("vm-shutdown").set_menu(menu)
tool = self.widget("vm-toolbar")
tool.set_property("icon-size", Gtk.IconSize.LARGE_TOOLBAR)
for c in tool.get_children():
c.set_homogeneous(False)
def init_context_menus(self):
def add_to_menu(idx, text, icon, cb):
if text[0:3] == 'gtk':
item = Gtk.ImageMenuItem.new_from_stock(text, None)
else:
item = Gtk.ImageMenuItem.new_with_mnemonic(text)
if icon:
item.set_image(icon)
if cb:
item.connect("activate", cb)
self.connmenu.add(item)
self.connmenu_items[idx] = item
# Build connection context menu
add_to_menu("create", Gtk.STOCK_NEW, None, self.new_vm)
add_to_menu("connect", Gtk.STOCK_CONNECT, None, self.open_conn)
add_to_menu("disconnect", Gtk.STOCK_DISCONNECT, None,
self.close_conn)
self.connmenu.add(Gtk.SeparatorMenuItem())
add_to_menu("delete", Gtk.STOCK_DELETE, None, self.do_delete)
self.connmenu.add(Gtk.SeparatorMenuItem())
add_to_menu("details", _("D_etails"), None, self.show_host)
self.connmenu.show_all()
def init_vmlist(self):
vmlist = self.widget("vm-list")
self.widget("vm-notebook").set_show_tabs(False)
rowtypes = []
rowtypes.insert(ROW_HANDLE, object) # backing object
rowtypes.insert(ROW_SORT_KEY, str) # object name
rowtypes.insert(ROW_MARKUP, str) # row markup text
rowtypes.insert(ROW_STATUS_ICON, str) # status icon name
rowtypes.insert(ROW_HINT, str) # row tooltip
rowtypes.insert(ROW_IS_CONN, bool) # if object is a connection
rowtypes.insert(ROW_IS_CONN_CONNECTED, bool) # if conn is connected
rowtypes.insert(ROW_IS_VM, bool) # if row is VM
rowtypes.insert(ROW_IS_VM_RUNNING, bool) # if VM is running
rowtypes.insert(ROW_COLOR, str) # row markup color string
rowtypes.insert(ROW_INSPECTION_OS_ICON, GdkPixbuf.Pixbuf) # OS icon
model = Gtk.TreeStore(*rowtypes)
vmlist.set_model(model)
vmlist.set_tooltip_column(ROW_HINT)
vmlist.set_headers_visible(True)
vmlist.set_level_indentation(
-(_style_get_prop(vmlist, "expander-size") + 3))
nameCol = Gtk.TreeViewColumn(_("Name"))
nameCol.set_expand(True)
nameCol.set_sizing(Gtk.TreeViewColumnSizing.AUTOSIZE)
nameCol.set_spacing(6)
nameCol.set_sort_column_id(COL_NAME)
vmlist.append_column(nameCol)
status_icon = Gtk.CellRendererPixbuf()
status_icon.set_property("stock-size", Gtk.IconSize.DND)
nameCol.pack_start(status_icon, False)
nameCol.add_attribute(status_icon, 'icon-name', ROW_STATUS_ICON)
nameCol.add_attribute(status_icon, 'visible', ROW_IS_VM)
inspection_os_icon = Gtk.CellRendererPixbuf()
nameCol.pack_start(inspection_os_icon, False)
nameCol.add_attribute(inspection_os_icon, 'pixbuf',
ROW_INSPECTION_OS_ICON)
nameCol.add_attribute(inspection_os_icon, 'visible', ROW_IS_VM)
name_txt = Gtk.CellRendererText()
nameCol.pack_start(name_txt, True)
nameCol.add_attribute(name_txt, 'markup', ROW_MARKUP)
nameCol.add_attribute(name_txt, 'foreground', ROW_COLOR)
self.spacer_txt = Gtk.CellRendererText()
self.spacer_txt.set_property("ypad", 4)
self.spacer_txt.set_property("visible", False)
nameCol.pack_end(self.spacer_txt, False)
def make_stats_column(title, colnum):
col = Gtk.TreeViewColumn(title)
col.set_min_width(140)
txt = Gtk.CellRendererText()
txt.set_property("ypad", 4)
col.pack_start(txt, True)
col.add_attribute(txt, 'visible', ROW_IS_CONN)
img = CellRendererSparkline()
img.set_property("xpad", 6)
img.set_property("ypad", 12)
img.set_property("reversed", True)
col.pack_start(img, True)
col.add_attribute(img, 'visible', ROW_IS_VM)
col.set_sort_column_id(colnum)
vmlist.append_column(col)
return col
self.guestcpucol = make_stats_column(_("CPU usage"), COL_GUEST_CPU)
self.hostcpucol = make_stats_column(_("Host CPU usage"), COL_HOST_CPU)
self.memcol = make_stats_column(_("Memory usage"), COL_MEM)
self.diskcol = make_stats_column(_("Disk I/O"), COL_DISK)
self.netcol = make_stats_column(_("Network I/O"), COL_NETWORK)
model.set_sort_func(COL_NAME, self.vmlist_name_sorter)
model.set_sort_func(COL_GUEST_CPU, self.vmlist_guest_cpu_usage_sorter)
model.set_sort_func(COL_HOST_CPU, self.vmlist_host_cpu_usage_sorter)
model.set_sort_func(COL_MEM, self.vmlist_memory_usage_sorter)
model.set_sort_func(COL_DISK, self.vmlist_disk_io_sorter)
model.set_sort_func(COL_NETWORK, self.vmlist_network_usage_sorter)
model.set_sort_column_id(COL_NAME, Gtk.SortType.ASCENDING)
##################
# Helper methods #
##################
def current_row(self):
return uiutil.get_list_selection(self.widget("vm-list"), None)
def current_vm(self):
row = self.current_row()
if not row or row[ROW_IS_CONN]:
return None
return row[ROW_HANDLE]
def current_conn(self):
row = self.current_row()
if not row:
return None
handle = row[ROW_HANDLE]
if row[ROW_IS_CONN]:
return handle
else:
return handle.conn
def current_conn_uri(self, default_selection=False):
vmlist = self.widget("vm-list")
model = vmlist.get_model()
conn = self.current_conn()
if conn is None and default_selection:
# Nothing selected, use first connection row
for row in model:
if row[ROW_IS_CONN]:
conn = row[ROW_HANDLE]
break
if conn:
return conn.get_uri()
return None
####################
# Action listeners #
####################
def window_resized(self, ignore, event):
# Sometimes dimensions change when window isn't visible
if not self.is_visible():
return
self.config.set_manager_window_size(event.width, event.height)
def exit_app(self, src_ignore=None, src2_ignore=None):
self.emit("action-exit-app")
def new_conn(self, src_ignore=None):
self.emit("action-show-connect")
def new_vm(self, src_ignore=None):
self.emit("action-show-create", self.current_conn_uri())
def show_about(self, src_ignore):
self.emit("action-show-about")
def show_preferences(self, src_ignore):
self.emit("action-show-preferences")
def show_host(self, src_ignore):
uri = self.current_conn_uri(default_selection=True)
self.emit("action-show-host", uri)
def show_vm(self, ignore, ignore2=None, ignore3=None):
conn = self.current_conn()
vm = self.current_vm()
if conn is None:
return
if vm:
self.emit("action-show-domain", conn.get_uri(), vm.get_connkey())
else:
if not self.open_conn():
self.emit("action-show-host", conn.get_uri())
def do_delete(self, ignore=None):
conn = self.current_conn()
vm = self.current_vm()
if vm is None:
self._do_delete_conn(conn)
else:
self.emit("action-delete-domain", conn.get_uri(), vm.get_connkey())
def _do_delete_conn(self, conn):
if conn is None:
return
result = self.err.yes_no(_("This will remove the connection:\n\n%s\n\n"
"Are you sure?") % conn.get_uri())
if not result:
return
self.emit("remove-conn", conn.get_uri())
def set_pause_state(self, state):
src = self.widget("vm-pause")
try:
self.ignore_pause = True
src.set_active(state)
finally:
self.ignore_pause = False
def pause_vm_button(self, src):
if self.ignore_pause:
return
do_pause = src.get_active()
# Set button state back to original value: just let the status
# update function fix things for us
self.set_pause_state(not do_pause)
if do_pause:
self.pause_vm(None)
else:
self.resume_vm(None)
def start_vm(self, ignore):
vm = self.current_vm()
if vm is None:
return
self.emit("action-run-domain", vm.conn.get_uri(), vm.get_connkey())
def poweroff_vm(self, ignore):
vm = self.current_vm()
if vm is None:
return
self.emit("action-shutdown-domain",
vm.conn.get_uri(), vm.get_connkey())
def pause_vm(self, ignore):
vm = self.current_vm()
if vm is None:
return
self.emit("action-suspend-domain", vm.conn.get_uri(), vm.get_connkey())
def resume_vm(self, ignore):
vm = self.current_vm()
if vm is None:
return
self.emit("action-resume-domain", vm.conn.get_uri(), vm.get_connkey())
def close_conn(self, ignore):
conn = self.current_conn()
if not conn.is_disconnected():
conn.close()
def open_conn(self, ignore=None):
conn = self.current_conn()
if conn.is_disconnected():
conn.open()
return True
####################################
# VM add/remove management methods #
####################################
def vm_row_key(self, vm):
return vm.get_uuid() + ":" + vm.conn.get_uri()
def vm_added(self, conn, connkey):
vm = conn.get_vm(connkey)
if self.vm_row_key(vm) in self.rows:
return
vm.connect("config-changed", self.vm_config_changed)
vm.connect("status-changed", self.vm_status_changed)
vm.connect("resources-sampled", self.vm_row_updated)
vm.connect("inspection-changed", self.vm_inspection_changed)
vmlist = self.widget("vm-list")
model = vmlist.get_model()
self._append_vm(model, vm, conn)
def vm_removed(self, conn, connkey):
vmlist = self.widget("vm-list")
model = vmlist.get_model()
parent = self.rows[conn.get_uri()].iter
for row in range(model.iter_n_children(parent)):
vm = model[model.iter_nth_child(parent, row)][ROW_HANDLE]
if vm.get_connkey() == connkey:
model.remove(model.iter_nth_child(parent, row))
del self.rows[self.vm_row_key(vm)]
break
def _build_conn_hint(self, conn):
hint = conn.get_uri()
if conn.is_disconnected():
hint += " (%s)" % _("Double click to connect")
return hint
def _build_conn_markup(self, conn, name):
name = util.xml_escape(name)
text = name
if conn.is_disconnected():
text += " - " + _("Not Connected")
elif conn.is_connecting():
text += " - " + _("Connecting...")
markup = "<span size='smaller'>%s</span>" % text
return markup
def _build_conn_color(self, conn):
color = "#000000"
if conn.is_disconnected():
color = "#5b5b5b"
return color
def _build_vm_markup(self, name, status):
domtext = ("<span size='smaller' weight='bold'>%s</span>" %
util.xml_escape(name))
statetext = "<span size='smaller'>%s</span>" % status
return domtext + "\n" + statetext
def _build_row(self, conn, vm):
if conn:
name = conn.get_pretty_desc(shorthost=False)
markup = self._build_conn_markup(conn, name)
status = ("<span size='smaller'>%s</span>" %
conn.get_state_text())
status_icon = None
hint = self._build_conn_hint(conn)
color = self._build_conn_color(conn)
os_icon = None
else:
name = vm.get_name_or_title()
status = vm.run_status()
markup = self._build_vm_markup(name, status)
status_icon = vm.run_status_icon_name()
hint = vm.get_description()
color = None
os_icon = _get_inspection_icon_pixbuf(vm, 16, 16)
row = []
row.insert(ROW_HANDLE, conn or vm)
row.insert(ROW_SORT_KEY, name)
row.insert(ROW_MARKUP, markup)
row.insert(ROW_STATUS_ICON, status_icon)
row.insert(ROW_HINT, util.xml_escape(hint))
row.insert(ROW_IS_CONN, bool(conn))
row.insert(ROW_IS_CONN_CONNECTED,
bool(conn) and not conn.is_disconnected())
row.insert(ROW_IS_VM, bool(vm))
row.insert(ROW_IS_VM_RUNNING, bool(vm) and vm.is_active())
row.insert(ROW_COLOR, color)
row.insert(ROW_INSPECTION_OS_ICON, os_icon)
return row
def _append_vm(self, model, vm, conn):
row_key = self.vm_row_key(vm)
if row_key in self.rows:
return
row = self._build_row(None, vm)
parent = self.rows[conn.get_uri()].iter
_iter = model.append(parent, row)
path = model.get_path(_iter)
self.rows[row_key] = model[path]
# Expand a connection when adding a vm to it
self.widget("vm-list").expand_row(model.get_path(parent), False)
def _append_conn(self, model, conn):
row = self._build_row(conn, None)
_iter = model.append(None, row)
path = model.get_path(_iter)
self.rows[conn.get_uri()] = model[path]
return _iter
def _ensure_conn_descs_dont_collide(self):
# By default we only show hostname + hypervisor in the conn label.
# So if we have two URIs like qemu+ssh://host and qemu+tcp://host,
# we want to add the transport in the description to differentiate
connrows = [row for row in self.rows.values() if row[ROW_IS_CONN]]
for row in connrows:
conn = row[ROW_HANDLE]
connsplit = util.uri_split(conn.get_uri())
scheme = connsplit[0]
show_transport = False
show_user = False
for checkrow in connrows:
checkconn = checkrow[ROW_HANDLE]
if conn is checkconn:
continue
checkconnsplit = util.uri_split(checkconn.get_uri())
checkscheme = checkconnsplit[0]
if ((scheme.split("+")[0] == checkscheme.split("+")[0]) and
connsplit[2] == checkconnsplit[2] and
connsplit[3] == checkconnsplit[3]):
show_transport = True
if ("+" in scheme and "+" in checkscheme and
scheme.split("+")[1] == checkscheme.split("+")[1]):
show_user = True
newname = conn.get_pretty_desc(
shorthost=False, show_transport=show_transport,
show_user=show_user)
if newname != row[ROW_SORT_KEY]:
self.conn_state_changed(conn, newname=newname)
def add_conn(self, engine_ignore, conn):
# Called from engine.py signal conn-added
# Make sure error page isn't showing
self.widget("vm-notebook").set_current_page(0)
if conn.get_uri() in self.rows:
return
conn.connect("vm-added", self.vm_added)
conn.connect("vm-removed", self.vm_removed)
conn.connect("resources-sampled", self.conn_row_updated)
conn.connect("state-changed", self.conn_state_changed)
vmlist = self.widget("vm-list")
self._append_conn(vmlist.get_model(), conn)
self._ensure_conn_descs_dont_collide()
def remove_conn(self, engine_ignore, uri):
# Called from engine.py signal conn-removed
model = self.widget("vm-list").get_model()
parent = self.rows[uri].iter
if parent is None:
return
child = model.iter_children(parent)
while child is not None:
del self.rows[self.vm_row_key(model[child][ROW_HANDLE])]
model.remove(child)
child = model.iter_children(parent)
model.remove(parent)
del self.rows[uri]
#############################
# State/UI updating methods #
#############################
def vm_row_updated(self, vm):
row = self.rows.get(self.vm_row_key(vm), None)
if row is None:
return
self.widget("vm-list").get_model().row_changed(row.path, row.iter)
def vm_config_changed(self, vm):
row = self.rows.get(self.vm_row_key(vm), None)
if row is None:
return
try:
name = vm.get_name_or_title()
status = vm.run_status()
row[ROW_SORT_KEY] = name
row[ROW_STATUS_ICON] = vm.run_status_icon_name()
row[ROW_IS_VM_RUNNING] = vm.is_active()
row[ROW_MARKUP] = self._build_vm_markup(name, status)
desc = vm.get_description()
if not uiutil.can_set_row_none:
desc = desc or ""
row[ROW_HINT] = util.xml_escape(desc)
except libvirt.libvirtError, e:
if util.exception_is_libvirt_error(e, "VIR_ERR_NO_DOMAIN"):
return
raise
self.vm_row_updated(vm)
def vm_status_changed(self, vm, oldstatus, newstatus):
ignore = newstatus
ignore = oldstatus
parent = self.rows[vm.conn.get_uri()].iter
vmlist = self.widget("vm-list")
model = vmlist.get_model()
missing = True
for row in range(model.iter_n_children(parent)):
_iter = model.iter_nth_child(parent, row)
if model[_iter][ROW_HANDLE] == vm:
missing = False
break
if missing:
self._append_vm(model, vm, vm.conn)
# Update run/shutdown/pause button states
self.update_current_selection()
self.vm_config_changed(vm)
def vm_inspection_changed(self, vm):
row = self.rows.get(self.vm_row_key(vm), None)
if row is None:
return
new_icon = _get_inspection_icon_pixbuf(vm, 16, 16)
if not uiutil.can_set_row_none:
new_icon = new_icon or ""
row[ROW_INSPECTION_OS_ICON] = new_icon
self.vm_row_updated(vm)
def set_initial_selection(self, uri):
vmlist = self.widget("vm-list")
model = vmlist.get_model()
it = model.get_iter_first()
selected = None
while it:
key = model.get_value(it, ROW_HANDLE)
if key.get_uri() == uri:
vmlist.get_selection().select_iter(it)
return
if not selected:
vmlist.get_selection().select_iter(it)
selected = key
elif key.get_autoconnect() and not selected.get_autoconnect():
vmlist.get_selection().select_iter(it)
selected = key
if not uri:
return
it = model.iter_next(it)
def conn_state_changed(self, conn, newname=None):
row = self.rows[conn.get_uri()]
if newname:
row[ROW_SORT_KEY] = newname
row[ROW_MARKUP] = self._build_conn_markup(conn, row[ROW_SORT_KEY])
row[ROW_IS_CONN_CONNECTED] = not conn.is_disconnected()
row[ROW_COLOR] = self._build_conn_color(conn)
row[ROW_HINT] = self._build_conn_hint(conn)
if not conn.is_active():
# Connection went inactive, delete any VM child nodes
parent = row.iter
if parent is not None:
model = self.widget("vm-list").get_model()
child = model.iter_children(parent)
while child is not None:
vm = model[child][ROW_HANDLE]
del self.rows[self.vm_row_key(vm)]
model.remove(child)
child = model.iter_children(parent)
self.conn_row_updated(conn)
self.update_current_selection()
def conn_row_updated(self, conn):
row = self.rows[conn.get_uri()]
self.max_disk_rate = max(self.max_disk_rate, conn.disk_io_max_rate())
self.max_net_rate = max(self.max_net_rate,
conn.network_traffic_max_rate())
self.widget("vm-list").get_model().row_changed(row.path, row.iter)
def change_run_text(self, can_restore):
if can_restore:
text = _("_Restore")
else:
text = _("_Run")
strip_text = text.replace("_", "")
self.vmmenu.change_run_text(text)
self.widget("vm-run").set_label(strip_text)
def update_current_selection(self, ignore=None):
vm = self.current_vm()
show_open = bool(vm)
show_details = bool(vm)
host_details = bool(len(self.rows))
show_run = bool(vm and vm.is_runable())
is_paused = bool(vm and vm.is_paused())
if is_paused:
show_pause = bool(vm and vm.is_unpauseable())
else:
show_pause = bool(vm and vm.is_pauseable())
show_shutdown = bool(vm and vm.is_stoppable())
if vm and vm.managedsave_supported:
self.change_run_text(vm.has_managed_save())
self.widget("vm-open").set_sensitive(show_open)
self.widget("vm-run").set_sensitive(show_run)
self.widget("vm-shutdown").set_sensitive(show_shutdown)
self.widget("vm-shutdown").get_menu().update_widget_states(vm)
self.set_pause_state(is_paused)
self.widget("vm-pause").set_sensitive(show_pause)
self.widget("menu_edit_details").set_sensitive(show_details)
self.widget("menu_host_details").set_sensitive(host_details)
def popup_vm_menu_key(self, widget_ignore, event):
if Gdk.keyval_name(event.keyval) != "Menu":
return False
model, treeiter = self.widget("vm-list").get_selection().get_selected()
self.popup_vm_menu(model, treeiter, event)
return True
def popup_vm_menu_button(self, widget, event):
if event.button != 3:
return False
tup = widget.get_path_at_pos(int(event.x), int(event.y))
if tup is None:
return False
path = tup[0]
model = widget.get_model()
_iter = model.get_iter(path)
self.popup_vm_menu(model, _iter, event)
return False
def popup_vm_menu(self, model, _iter, event):
if model.iter_parent(_iter) is not None:
# Popup the vm menu
vm = model[_iter][ROW_HANDLE]
self.vmmenu.update_widget_states(vm)
self.vmmenu.popup(None, None, None, None, 0, event.time)
else:
# Pop up connection menu
conn = model[_iter][ROW_HANDLE]
disconn = conn.is_disconnected()
conning = conn.is_connecting()
self.connmenu_items["create"].set_sensitive(not disconn)
self.connmenu_items["disconnect"].set_sensitive(not (disconn or
conning))
self.connmenu_items["connect"].set_sensitive(disconn)
self.connmenu_items["delete"].set_sensitive(disconn)
self.connmenu.popup(None, None, None, None, 0, event.time)
#################
# Stats methods #
#################
def vmlist_name_sorter(self, model, iter1, iter2, ignore):
return cmp(model[iter1][ROW_SORT_KEY], model[iter2][ROW_SORT_KEY])
def vmlist_guest_cpu_usage_sorter(self, model, iter1, iter2, ignore):
obj1 = model[iter1][ROW_HANDLE]
obj2 = model[iter2][ROW_HANDLE]
return cmp(obj1.guest_cpu_time_percentage(),
obj2.guest_cpu_time_percentage())
def vmlist_host_cpu_usage_sorter(self, model, iter1, iter2, ignore):
obj1 = model[iter1][ROW_HANDLE]
obj2 = model[iter2][ROW_HANDLE]
return cmp(obj1.host_cpu_time_percentage(),
obj2.host_cpu_time_percentage())
def vmlist_memory_usage_sorter(self, model, iter1, iter2, ignore):
obj1 = model[iter1][ROW_HANDLE]
obj2 = model[iter2][ROW_HANDLE]
return cmp(obj1.stats_memory(),
obj2.stats_memory())
def vmlist_disk_io_sorter(self, model, iter1, iter2, ignore):
obj1 = model[iter1][ROW_HANDLE]
obj2 = model[iter2][ROW_HANDLE]
return cmp(obj1.disk_io_rate(), obj2.disk_io_rate())
def vmlist_network_usage_sorter(self, model, iter1, iter2, ignore):
obj1 = model[iter1][ROW_HANDLE]
obj2 = model[iter2][ROW_HANDLE]
return cmp(obj1.network_traffic_rate(), obj2.network_traffic_rate())
def enable_polling(self, column):
if column == COL_GUEST_CPU:
widgn = ["menu_view_stats_guest_cpu", "menu_view_stats_host_cpu"]
do_enable = self.config.get_stats_enable_cpu_poll()
if column == COL_DISK:
widgn = "menu_view_stats_disk"
do_enable = self.config.get_stats_enable_disk_poll()
elif column == COL_NETWORK:
widgn = "menu_view_stats_network"
do_enable = self.config.get_stats_enable_net_poll()
elif column == COL_MEM:
widgn = "menu_view_stats_memory"
do_enable = self.config.get_stats_enable_memory_poll()
for w in util.listify(widgn):
widget = self.widget(w)
tool_text = ""
if do_enable:
widget.set_sensitive(True)
else:
if widget.get_active():
widget.set_active(False)
widget.set_sensitive(False)
tool_text = _("Disabled in preferences dialog.")
widget.set_tooltip_text(tool_text)
def _toggle_graph_helper(self, do_show, col, datafunc, menu):
img = -1
for child in col.get_cells():
if isinstance(child, CellRendererSparkline):
img = child
datafunc = do_show and datafunc or None
col.set_cell_data_func(img, datafunc, None)
col.set_visible(do_show)
self.widget(menu).set_active(do_show)
any_visible = any([c.get_visible() for c in
[self.netcol, self.diskcol, self.memcol,
self.guestcpucol, self.hostcpucol]])
self.spacer_txt.set_property("visible", not any_visible)
def toggle_network_traffic_visible_widget(self):
self._toggle_graph_helper(
self.config.is_vmlist_network_traffic_visible(), self.netcol,
self.network_traffic_img, "menu_view_stats_network")
def toggle_disk_io_visible_widget(self):
self._toggle_graph_helper(
self.config.is_vmlist_disk_io_visible(), self.diskcol,
self.disk_io_img, "menu_view_stats_disk")
def toggle_memory_usage_visible_widget(self):
self._toggle_graph_helper(
self.config.is_vmlist_memory_usage_visible(), self.memcol,
self.memory_usage_img, "menu_view_stats_memory")
def toggle_guest_cpu_usage_visible_widget(self):
self._toggle_graph_helper(
self.config.is_vmlist_guest_cpu_usage_visible(), self.guestcpucol,
self.guest_cpu_usage_img, "menu_view_stats_guest_cpu")
def toggle_host_cpu_usage_visible_widget(self):
self._toggle_graph_helper(
self.config.is_vmlist_host_cpu_usage_visible(), self.hostcpucol,
self.host_cpu_usage_img, "menu_view_stats_host_cpu")
def toggle_stats_visible(self, src, stats_id):
visible = src.get_active()
set_stats = {
COL_GUEST_CPU: self.config.set_vmlist_guest_cpu_usage_visible,
COL_HOST_CPU: self.config.set_vmlist_host_cpu_usage_visible,
COL_MEM: self.config.set_vmlist_memory_usage_visible,
COL_DISK: self.config.set_vmlist_disk_io_visible,
COL_NETWORK: self.config.set_vmlist_network_traffic_visible,
}
set_stats[stats_id](visible)
def toggle_stats_visible_guest_cpu(self, src):
self.toggle_stats_visible(src, COL_GUEST_CPU)
def toggle_stats_visible_host_cpu(self, src):
self.toggle_stats_visible(src, COL_HOST_CPU)
def toggle_stats_visible_memory_usage(self, src):
self.toggle_stats_visible(src, COL_MEM)
def toggle_stats_visible_disk(self, src):
self.toggle_stats_visible(src, COL_DISK)
def toggle_stats_visible_network(self, src):
self.toggle_stats_visible(src, COL_NETWORK)
def guest_cpu_usage_img(self, column_ignore, cell, model, _iter, data):
obj = model[_iter][ROW_HANDLE]
if obj is None or not hasattr(obj, "conn"):
return
data = obj.guest_cpu_time_vector_limit(GRAPH_LEN)
cell.set_property('data_array', data)
def host_cpu_usage_img(self, column_ignore, cell, model, _iter, data):
obj = model[_iter][ROW_HANDLE]
if obj is None or not hasattr(obj, "conn"):
return
data = obj.host_cpu_time_vector_limit(GRAPH_LEN)
cell.set_property('data_array', data)
def memory_usage_img(self, column_ignore, cell, model, _iter, data):
obj = model[_iter][ROW_HANDLE]
if obj is None or not hasattr(obj, "conn"):
return
data = obj.memory_usage_vector_limit(GRAPH_LEN)
cell.set_property('data_array', data)
def disk_io_img(self, column_ignore, cell, model, _iter, data):
obj = model[_iter][ROW_HANDLE]
if obj is None or not hasattr(obj, "conn"):
return
data = obj.disk_io_vector_limit(GRAPH_LEN, self.max_disk_rate)
cell.set_property('data_array', data)
def network_traffic_img(self, column_ignore, cell, model, _iter, data):
obj = model[_iter][ROW_HANDLE]
if obj is None or not hasattr(obj, "conn"):
return
data = obj.network_traffic_vector_limit(GRAPH_LEN, self.max_net_rate)
cell.set_property('data_array', data)