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Mini Shell
Mini Shell
#
# Copyright (C) 2006, 2012-2015 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 os
import logging
from gi.repository import Gio
from gi.repository import GLib
from gi.repository import Gtk
from virtinst import CPU
from .keyring import vmmKeyring, vmmSecret
RUNNING_CONFIG = None
class SettingsWrapper(object):
"""
Wrapper class to simplify interacting with gsettings APIs.
Basically it allows simple get/set of gconf style paths, and
we internally convert it to the settings nested hierarchy. Makes
client code much smaller.
"""
def __init__(self, settings_id, schemadir, test_first_run):
self._root = settings_id
os.environ["GSETTINGS_SCHEMA_DIR"] = schemadir
if test_first_run:
os.environ["GSETTINGS_BACKEND"] = "memory"
self._settings = Gio.Settings.new(self._root)
self._settingsmap = {"": self._settings}
self._handler_map = {}
for child in self._settings.list_children():
childschema = self._root + "." + child
self._settingsmap[child] = Gio.Settings.new(childschema)
###################
# Private helpers #
###################
def _parse_key(self, key):
value = key.strip("/")
settingskey = ""
if "/" in value:
settingskey, value = value.rsplit("/", 1)
return settingskey, value
def _find_settings(self, key):
settingskey, value = self._parse_key(key)
return self._settingsmap[settingskey], value
###############
# Public APIs #
###############
def make_vm_settings(self, key):
"""
Initialize per-VM relocatable schema if necessary
"""
settingskey = self._parse_key(key)[0]
if settingskey in self._settingsmap:
return True
schema = self._root + ".vm"
path = "/" + self._root.replace(".", "/") + key.rsplit("/", 1)[0] + "/"
self._settingsmap[settingskey] = Gio.Settings.new_with_path(
schema, path)
return True
def make_conn_settings(self, key):
"""
Initialize per-conn relocatable schema if necessary
"""
settingskey = self._parse_key(key)[0]
if settingskey in self._settingsmap:
return True
schema = self._root + ".connection"
path = "/" + self._root.replace(".", "/") + key.rsplit("/", 1)[0] + "/"
self._settingsmap[settingskey] = Gio.Settings.new_with_path(
schema, path)
return True
def notify_add(self, key, cb, *args, **kwargs):
settings, key = self._find_settings(key)
def wrapcb(*ignore):
return cb(*args, **kwargs)
ret = settings.connect("changed::%s" % key, wrapcb, *args, **kwargs)
self._handler_map[ret] = settings
return ret
def notify_remove(self, h):
settings = self._handler_map.pop(h)
return settings.disconnect(h)
def get(self, key):
settings, key = self._find_settings(key)
return settings.get_value(key).unpack()
def set(self, key, value, *args, **kwargs):
settings, key = self._find_settings(key)
fmt = settings.get_value(key).get_type_string()
return settings.set_value(key, GLib.Variant(fmt, value),
*args, **kwargs)
class vmmConfig(object):
# key names for saving last used paths
CONFIG_DIR_IMAGE = "image"
CONFIG_DIR_ISO_MEDIA = "isomedia"
CONFIG_DIR_FLOPPY_MEDIA = "floppymedia"
CONFIG_DIR_SCREENSHOT = "screenshot"
CONFIG_DIR_FS = "fs"
# Metadata mapping for browse types. Prob shouldn't go here, but works
# for now.
browse_reason_data = {
CONFIG_DIR_IMAGE: {
"enable_create": True,
"storage_title": _("Locate or create storage volume"),
"local_title": _("Locate existing storage"),
"dialog_type": Gtk.FileChooserAction.SAVE,
"choose_button": Gtk.STOCK_OPEN,
},
CONFIG_DIR_ISO_MEDIA: {
"enable_create": False,
"storage_title": _("Locate ISO media volume"),
"local_title": _("Locate ISO media"),
},
CONFIG_DIR_FLOPPY_MEDIA: {
"enable_create": False,
"storage_title": _("Locate floppy media volume"),
"local_title": _("Locate floppy media"),
},
CONFIG_DIR_FS: {
"enable_create": False,
"storage_title": _("Locate directory volume"),
"local_title": _("Locate directory volume"),
"dialog_type": Gtk.FileChooserAction.SELECT_FOLDER,
},
}
CONSOLE_SCALE_NEVER = 0
CONSOLE_SCALE_FULLSCREEN = 1
CONSOLE_SCALE_ALWAYS = 2
def __init__(self, appname, CLIConfig, test_first_run):
self.appname = appname
self.appversion = CLIConfig.version
self.conf_dir = "/org/virt-manager/%s/" % self.appname
self.ui_dir = CLIConfig.ui_dir
self.test_first_run = bool(test_first_run)
self.conf = SettingsWrapper("org.virt-manager.virt-manager",
CLIConfig.gsettings_dir, self.test_first_run)
# We don't create it straight away, since we don't want
# to block the app pending user authorization to access
# the keyring
self.keyring = None
self.default_qemu_user = CLIConfig.default_qemu_user
self.preferred_distros = CLIConfig.preferred_distros
self.hv_packages = CLIConfig.hv_packages
self.libvirt_packages = CLIConfig.libvirt_packages
self.askpass_package = CLIConfig.askpass_package
self.default_graphics_from_config = CLIConfig.default_graphics
self.default_hvs = CLIConfig.default_hvs
self.cli_usbredir = None
if self.test_first_run:
# Populate some package defaults to simplify git testing
if not self.libvirt_packages:
self.libvirt_packages = ["libvirt-daemon",
"libvirt-daemon-config-network"]
if not self.hv_packages:
self.hv_packages = ["qemu-kvm"]
self.default_storage_format_from_config = "qcow2"
self.cpu_default_from_config = CPU.SPECIAL_MODE_HOST_MODEL_ONLY
self.default_console_resizeguest = 0
self.default_add_spice_usbredir = "yes"
self._objects = []
self.support_inspection = self.check_inspection()
self._spice_error = None
global RUNNING_CONFIG
RUNNING_CONFIG = self
def check_inspection(self):
try:
# Check we can open the Python guestfs module.
from guestfs import GuestFS # pylint: disable=import-error
g = GuestFS(close_on_exit=False)
return bool(getattr(g, "add_libvirt_dom", None))
except Exception:
return False
# General app wide helpers (gsettings agnostic)
def get_appname(self):
return self.appname
def get_appversion(self):
return self.appversion
def get_ui_dir(self):
return self.ui_dir
def embeddable_graphics(self):
ret = ["vnc", "spice"]
return ret
def remove_notifier(self, h):
self.conf.notify_remove(h)
# Used for debugging reference leaks, we keep track of all objects
# come and go so we can do a leak report at app shutdown
def add_object(self, obj):
self._objects.append(obj)
def remove_object(self, obj):
self._objects.remove(obj)
def get_objects(self):
return self._objects[:]
#####################################
# Wrappers for setting per-VM value #
#####################################
def _make_pervm_key(self, uuid, key):
return "/vms/%s%s" % (uuid.replace("-", ""), key)
def listen_pervm(self, uuid, key, *args, **kwargs):
key = self._make_pervm_key(uuid, key)
self.conf.make_vm_settings(key)
return self.conf.notify_add(key, *args, **kwargs)
def set_pervm(self, uuid, key, *args, **kwargs):
key = self._make_pervm_key(uuid, key)
self.conf.make_vm_settings(key)
ret = self.conf.set(key, *args, **kwargs)
return ret
def get_pervm(self, uuid, key):
key = self._make_pervm_key(uuid, key)
self.conf.make_vm_settings(key)
return self.conf.get(key)
########################################
# Wrappers for setting per-conn values #
########################################
def _make_perconn_key(self, uri, key):
return "/conns/%s%s" % (uri.replace("/", ""), key)
def listen_perconn(self, uri, key, *args, **kwargs):
key = self._make_perconn_key(uri, key)
self.conf.make_conn_settings(key)
return self.conf.notify_add(key, *args, **kwargs)
def set_perconn(self, uri, key, *args, **kwargs):
key = self._make_perconn_key(uri, key)
self.conf.make_conn_settings(key)
ret = self.conf.set(key, *args, **kwargs)
return ret
def get_perconn(self, uri, key):
key = self._make_perconn_key(uri, key)
self.conf.make_conn_settings(key)
return self.conf.get(key)
###################
# General helpers #
###################
# Manager stats view preferences
def is_vmlist_guest_cpu_usage_visible(self):
return self.conf.get("/vmlist-fields/cpu-usage")
def is_vmlist_host_cpu_usage_visible(self):
return self.conf.get("/vmlist-fields/host-cpu-usage")
def is_vmlist_memory_usage_visible(self):
return self.conf.get("/vmlist-fields/memory-usage")
def is_vmlist_disk_io_visible(self):
return self.conf.get("/vmlist-fields/disk-usage")
def is_vmlist_network_traffic_visible(self):
return self.conf.get("/vmlist-fields/network-traffic")
def set_vmlist_guest_cpu_usage_visible(self, state):
self.conf.set("/vmlist-fields/cpu-usage", state)
def set_vmlist_host_cpu_usage_visible(self, state):
self.conf.set("/vmlist-fields/host-cpu-usage", state)
def set_vmlist_memory_usage_visible(self, state):
self.conf.set("/vmlist-fields/memory-usage", state)
def set_vmlist_disk_io_visible(self, state):
self.conf.set("/vmlist-fields/disk-usage", state)
def set_vmlist_network_traffic_visible(self, state):
self.conf.set("/vmlist-fields/network-traffic", state)
def on_vmlist_guest_cpu_usage_visible_changed(self, cb):
return self.conf.notify_add("/vmlist-fields/cpu-usage", cb)
def on_vmlist_host_cpu_usage_visible_changed(self, cb):
return self.conf.notify_add("/vmlist-fields/host-cpu-usage", cb)
def on_vmlist_memory_usage_visible_changed(self, cb):
return self.conf.notify_add("/vmlist-fields/memory-usage", cb)
def on_vmlist_disk_io_visible_changed(self, cb):
return self.conf.notify_add("/vmlist-fields/disk-usage", cb)
def on_vmlist_network_traffic_visible_changed(self, cb):
return self.conf.notify_add("/vmlist-fields/network-traffic", cb)
# Keys preferences
def get_keys_combination(self):
ret = self.conf.get("/console/grab-keys")
if not ret:
# Left Control + Left Alt
return "65507,65513"
return ret
def set_keys_combination(self, val):
# Val have to be a list of integers
val = ','.join([str(v) for v in val])
self.conf.set("/console/grab-keys", val)
def on_keys_combination_changed(self, cb):
return self.conf.notify_add("/console/grab-keys", cb)
# This key is not intended to be exposed in the UI yet
def get_keyboard_grab_default(self):
return self.conf.get("/console/grab-keyboard")
def set_keyboard_grab_default(self, val):
self.conf.set("/console/grab-keyboard", val)
def on_keyboard_grab_default_changed(self, cb):
return self.conf.notify_add("/console/grab-keyboard", cb)
# Confirmation preferences
def get_confirm_forcepoweroff(self):
return self.conf.get("/confirm/forcepoweroff")
def get_confirm_poweroff(self):
return self.conf.get("/confirm/poweroff")
def get_confirm_pause(self):
return self.conf.get("/confirm/pause")
def get_confirm_removedev(self):
return self.conf.get("/confirm/removedev")
def get_confirm_interface(self):
return self.conf.get("/confirm/interface-power")
def get_confirm_unapplied(self):
return self.conf.get("/confirm/unapplied-dev")
def get_confirm_delstorage(self):
return self.conf.get("/confirm/delete-storage")
def set_confirm_forcepoweroff(self, val):
self.conf.set("/confirm/forcepoweroff", val)
def set_confirm_poweroff(self, val):
self.conf.set("/confirm/poweroff", val)
def set_confirm_pause(self, val):
self.conf.set("/confirm/pause", val)
def set_confirm_removedev(self, val):
self.conf.set("/confirm/removedev", val)
def set_confirm_interface(self, val):
self.conf.set("/confirm/interface-power", val)
def set_confirm_unapplied(self, val):
self.conf.set("/confirm/unapplied-dev", val)
def set_confirm_delstorage(self, val):
self.conf.set("/confirm/delete-storage", val)
# System tray visibility
def on_view_system_tray_changed(self, cb):
return self.conf.notify_add("/system-tray", cb)
def get_view_system_tray(self):
return self.conf.get("/system-tray")
def set_view_system_tray(self, val):
self.conf.set("/system-tray", val)
# Stats history and interval length
def get_stats_history_length(self):
return 120
def get_stats_update_interval(self):
interval = self.conf.get("/stats/update-interval")
if interval < 1:
return 1
return interval
def set_stats_update_interval(self, interval):
self.conf.set("/stats/update-interval", interval)
def on_stats_update_interval_changed(self, cb):
return self.conf.notify_add("/stats/update-interval", cb)
# Disable/Enable different stats polling
def get_stats_enable_cpu_poll(self):
return self.conf.get("/stats/enable-cpu-poll")
def get_stats_enable_disk_poll(self):
return self.conf.get("/stats/enable-disk-poll")
def get_stats_enable_net_poll(self):
return self.conf.get("/stats/enable-net-poll")
def get_stats_enable_memory_poll(self):
return self.conf.get("/stats/enable-memory-poll")
def set_stats_enable_cpu_poll(self, val):
self.conf.set("/stats/enable-cpu-poll", val)
def set_stats_enable_disk_poll(self, val):
self.conf.set("/stats/enable-disk-poll", val)
def set_stats_enable_net_poll(self, val):
self.conf.set("/stats/enable-net-poll", val)
def set_stats_enable_memory_poll(self, val):
self.conf.set("/stats/enable-memory-poll", val)
def on_stats_enable_cpu_poll_changed(self, cb, row=None):
return self.conf.notify_add("/stats/enable-cpu-poll", cb, row)
def on_stats_enable_disk_poll_changed(self, cb, row=None):
return self.conf.notify_add("/stats/enable-disk-poll", cb, row)
def on_stats_enable_net_poll_changed(self, cb, row=None):
return self.conf.notify_add("/stats/enable-net-poll", cb, row)
def on_stats_enable_memory_poll_changed(self, cb, row=None):
return self.conf.notify_add("/stats/enable-memory-poll", cb, row)
# VM Console preferences
def on_console_accels_changed(self, cb):
return self.conf.notify_add("/console/enable-accels", cb)
def get_console_accels(self):
console_pref = self.conf.get("/console/enable-accels")
if console_pref is None:
console_pref = False
return console_pref
def set_console_accels(self, pref):
self.conf.set("/console/enable-accels", pref)
def on_console_scaling_changed(self, cb):
return self.conf.notify_add("/console/scaling", cb)
def get_console_scaling(self):
return self.conf.get("/console/scaling")
def set_console_scaling(self, pref):
self.conf.set("/console/scaling", pref)
def on_console_resizeguest_changed(self, cb):
return self.conf.notify_add("/console/resize-guest", cb)
def get_console_resizeguest(self):
val = self.conf.get("/console/resize-guest")
if val == -1:
val = self.default_console_resizeguest
return val
def set_console_resizeguest(self, pref):
self.conf.set("/console/resize-guest", pref)
def get_auto_redirection(self):
if self.cli_usbredir is not None:
return self.cli_usbredir
return self.conf.get("/console/auto-redirect")
def set_auto_redirection(self, state):
self.conf.set("/console/auto-redirect", state)
# Show VM details toolbar
def get_details_show_toolbar(self):
res = self.conf.get("/details/show-toolbar")
if res is None:
res = True
return res
def set_details_show_toolbar(self, state):
self.conf.set("/details/show-toolbar", state)
# VM details default size
def get_details_window_size(self):
w = self.conf.get("/details/window_width")
h = self.conf.get("/details/window_height")
return (w, h)
def set_details_window_size(self, w, h):
self.conf.set("/details/window_width", w)
self.conf.set("/details/window_height", h)
# New VM preferences
def get_new_vm_sound(self):
return self.conf.get("/new-vm/add-sound")
def set_new_vm_sound(self, state):
self.conf.set("/new-vm/add-sound", state)
def get_graphics_type(self, raw=False):
ret = self.conf.get("/new-vm/graphics-type")
if ret not in ["system", "vnc", "spice"]:
ret = "system"
if ret == "system" and not raw:
return self.default_graphics_from_config
return ret
def set_graphics_type(self, gtype):
self.conf.set("/new-vm/graphics-type", gtype.lower())
def get_add_spice_usbredir(self, raw=False):
ret = self.conf.get("/new-vm/add-spice-usbredir")
if ret not in ["system", "yes", "no"]:
ret = "system"
if not raw and self.get_graphics_type() != "spice":
return "no"
if ret == "system" and not raw:
return self.default_add_spice_usbredir
return ret
def set_add_spice_usbredir(self, val):
self.conf.set("/new-vm/add-spice-usbredir", val)
def get_default_storage_format(self, raw=False):
ret = self.conf.get("/new-vm/storage-format")
if ret not in ["default", "raw", "qcow2"]:
ret = "default"
if ret == "default" and not raw:
return self.default_storage_format_from_config
return ret
def set_storage_format(self, typ):
self.conf.set("/new-vm/storage-format", typ.lower())
def get_default_cpu_setting(self, raw=False, for_cpu=False):
ret = self.conf.get("/new-vm/cpu-default")
whitelist = [CPU.SPECIAL_MODE_HOST_MODEL_ONLY,
CPU.SPECIAL_MODE_HOST_MODEL,
CPU.SPECIAL_MODE_HV_DEFAULT]
if ret not in whitelist:
ret = "default"
if ret == "default" and not raw:
ret = self.cpu_default_from_config
if ret not in whitelist:
ret = whitelist[0]
if for_cpu and ret == CPU.SPECIAL_MODE_HOST_MODEL:
# host-model has known issues, so use our 'copy cpu'
# behavior until host-model does what we need
ret = CPU.SPECIAL_MODE_HOST_COPY
return ret
def set_default_cpu_setting(self, val):
self.conf.set("/new-vm/cpu-default", val.lower())
# URL/Media path history
def _url_add_helper(self, gsettings_path, url):
maxlength = 10
urls = self.conf.get(gsettings_path)
if urls is None:
urls = []
if urls.count(url) == 0 and len(url) > 0 and not url.isspace():
# The url isn't already in the list, so add it
urls.insert(0, url)
if len(urls) > maxlength:
del urls[len(urls) - 1]
self.conf.set(gsettings_path, urls)
def add_container_url(self, url):
self._url_add_helper("/urls/containers", url)
def add_media_url(self, url):
self._url_add_helper("/urls/urls", url)
def add_iso_path(self, path):
self._url_add_helper("/urls/isos", path)
def get_container_urls(self):
return self.conf.get("/urls/containers")
def get_media_urls(self):
return self.conf.get("/urls/urls")
def get_iso_paths(self):
return self.conf.get("/urls/isos")
# Whether to ask about fixing path permissions
def add_perms_fix_ignore(self, pathlist):
current_list = self.get_perms_fix_ignore() or []
for path in pathlist:
if path in current_list:
continue
current_list.append(path)
self.conf.set("/paths/perms-fix-ignore", current_list)
def get_perms_fix_ignore(self):
return self.conf.get("/paths/perms-fix-ignore")
# Manager view connection list
def add_conn(self, uri):
uris = self.conf.get("/connections/uris")
if uris is None:
uris = []
if uris.count(uri) == 0:
uris.insert(len(uris) - 1, uri)
self.conf.set("/connections/uris", uris)
def remove_conn(self, uri):
uris = self.conf.get("/connections/uris")
if uris is None:
return
if uris.count(uri) != 0:
uris.remove(uri)
self.conf.set("/connections/uris", uris)
if self.get_conn_autoconnect(uri):
uris = self.conf.get("/connections/autoconnect")
uris.remove(uri)
self.conf.set("/connections/autoconnect", uris)
def get_conn_uris(self):
return self.conf.get("/connections/uris")
# Manager default window size
def get_manager_window_size(self):
w = self.conf.get("/manager-window-width")
h = self.conf.get("/manager-window-height")
return (w, h)
def set_manager_window_size(self, w, h):
self.conf.set("/manager-window-width", w)
self.conf.set("/manager-window-height", h)
# URI autoconnect
def get_conn_autoconnect(self, uri):
uris = self.conf.get("/connections/autoconnect")
return ((uris is not None) and (uri in uris))
def set_conn_autoconnect(self, uri, val):
uris = self.conf.get("/connections/autoconnect")
if uris is None:
uris = []
if not val and uri in uris:
uris.remove(uri)
elif val and uri not in uris:
uris.append(uri)
self.conf.set("/connections/autoconnect", uris)
# Default directory location dealings
def _get_default_dir_key(self, _type):
if (_type in [self.CONFIG_DIR_ISO_MEDIA,
self.CONFIG_DIR_FLOPPY_MEDIA]):
return "media"
if (_type in [self.CONFIG_DIR_IMAGE,
self.CONFIG_DIR_SCREENSHOT]):
return _type
return None
def get_default_directory(self, conn, _type):
ignore = conn
key = self._get_default_dir_key(_type)
path = None
if key:
path = self.conf.get("/paths/%s-default" % key)
if not path:
if (_type == self.CONFIG_DIR_IMAGE or
_type == self.CONFIG_DIR_ISO_MEDIA or
_type == self.CONFIG_DIR_FLOPPY_MEDIA):
path = os.getcwd()
logging.debug("directory for type=%s returning=%s", _type, path)
return path
def set_default_directory(self, folder, _type):
key = self._get_default_dir_key(_type)
if not key:
return
logging.debug("saving directory for type=%s to %s", key, folder)
self.conf.set("/paths/%s-default" % key, folder)
# Keyring / VNC password dealings
def get_secret_name(self, vm):
return "vm-console-" + vm.get_uuid()
def has_keyring(self):
if self.keyring is None:
self.keyring = vmmKeyring()
return self.keyring.is_available()
def get_console_password(self, vm):
if not self.has_keyring():
return ("", "")
username, keyid = vm.get_console_password()
if keyid == -1:
return ("", "")
secret = self.keyring.get_secret(keyid)
if secret is None or secret.get_name() != self.get_secret_name(vm):
return ("", "")
if (secret.attributes.get("hvuri", None) != vm.conn.get_uri() or
secret.attributes.get("uuid", None) != vm.get_uuid()):
return ("", "")
return (secret.get_secret(), username or "")
def set_console_password(self, vm, password, username=""):
if not self.has_keyring():
return
secret = vmmSecret(self.get_secret_name(vm), password,
{"uuid": vm.get_uuid(),
"hvuri": vm.conn.get_uri()})
keyid = self.keyring.add_secret(secret)
if keyid is None:
return
vm.set_console_password(username, keyid)
def del_console_password(self, vm):
if not self.has_keyring():
return
ignore, keyid = vm.get_console_password()
if keyid == -1:
return
self.keyring.del_secret(keyid)
vm.del_console_password()
Zerion Mini Shell 1.0