# Copyright (C) 2008, 2013, 2014, 2015 Red Hat, Inc.
# Copyright (C) 2008 Cole Robinson <crobinso@redhat.com>
#
# This work is licensed under the GNU GPLv2 or later.
# See the COPYING file in the top-level directory.
import io
import pkgutil
import os
import threading
import time
from gi.repository import Gtk
from gi.repository import Pango
import virtinst
import virtinst.generatename
from virtinst import log
from .lib import uiutil
from .asyncjob import vmmAsyncJob
from .baseclass import vmmGObjectUI
from .connmanager import vmmConnectionManager
from .device.addstorage import vmmAddStorage
from .device.mediacombo import vmmMediaCombo
from .device.netlist import vmmNetworkList
from .engine import vmmEngine
from .object.domain import vmmDomainVirtinst
from .oslist import vmmOSList
from .storagebrowse import vmmStorageBrowser
from .vmwindow import vmmVMWindow
# Number of seconds to wait for media detection
DETECT_TIMEOUT = 20
DEFAULT_MEM = 1024
(PAGE_NAME,
PAGE_INSTALL,
PAGE_MEM,
PAGE_STORAGE,
PAGE_FINISH) = range(5)
(INSTALL_PAGE_ISO,
INSTALL_PAGE_URL,
INSTALL_PAGE_MANUAL,
INSTALL_PAGE_IMPORT,
INSTALL_PAGE_CONTAINER_APP,
INSTALL_PAGE_CONTAINER_OS,
INSTALL_PAGE_VZ_TEMPLATE) = range(7)
# Column numbers for os type/version list models
(OS_COL_ID,
OS_COL_LABEL,
OS_COL_IS_SEP,
OS_COL_IS_SHOW_ALL) = range(4)
#####################
# Pretty UI helpers #
#####################
def _pretty_arch(_a):
if _a == "armv7l":
return "arm"
return _a
def _pretty_storage(size):
return _("%.1f GiB") % float(size)
def _pretty_memory(mem):
return _("%d MiB") % (mem / 1024.0)
###########################################################
# Helpers for tracking devices we create from this wizard #
###########################################################
def is_virt_bootstrap_installed(conn):
ret = pkgutil.find_loader('virtBootstrap') is not None
return ret or conn.config.CLITestOptions.fake_virtbootstrap
class _GuestData:
"""
Wrapper to hold all data that will go into the Guest object,
so we can rebuild it as needed.
"""
def __init__(self, conn, capsinfo):
self.conn = conn
self.capsinfo = capsinfo
self.failed_guest = None
self.default_graphics_type = None
self.skip_default_sound = None
self.x86_cpu_default = None
self.disk = None
self.filesystem = None
self.interface = None
self.init = None
self.machine = None
self.os_variant = None
self.uefi_requested = None
self.name = None
self.vcpus = None
self.memory = None
self.currentMemory = None
self.location = None
self.cdrom = None
self.extra_args = None
self.livecd = False
def build_installer(self):
kwargs = {}
if self.location:
kwargs["location"] = self.location
if self.cdrom:
kwargs["cdrom"] = self.cdrom
installer = virtinst.Installer(self.conn, **kwargs)
if self.extra_args:
installer.set_extra_args([self.extra_args])
if self.livecd:
installer.livecd = True
return installer
def build_guest(self):
guest = virtinst.Guest(self.conn)
guest.set_capabilities_defaults(self.capsinfo)
if self.machine:
# If no machine was explicitly selected, we don't overwrite
# it, because we want to
guest.os.machine = self.machine
if self.os_variant:
guest.set_os_name(self.os_variant)
if self.uefi_requested:
guest.uefi_requested = self.uefi_requested
if self.filesystem:
guest.add_device(self.filesystem)
if self.disk:
guest.add_device(self.disk)
if self.interface:
guest.add_device(self.interface)
if self.init:
guest.os.init = self.init
if self.name:
guest.name = self.name
if self.vcpus:
guest.vcpus = self.vcpus
if self.currentMemory:
guest.currentMemory = self.currentMemory
if self.memory:
guest.memory = self.memory
return guest
##############
# Main class #
##############
class vmmCreateVM(vmmGObjectUI):
@classmethod
def show_instance(cls, parentobj, uri=None):
try:
if not cls._instance:
cls._instance = vmmCreateVM()
cls._instance.show(parentobj and parentobj.topwin or None, uri=uri)
except Exception as e: # pragma: no cover
if not parentobj:
raise
parentobj.err.show_err(
_("Error launching create dialog: %s") % str(e))
def __init__(self):
vmmGObjectUI.__init__(self, "createvm.ui", "vmm-create")
self._cleanup_on_app_close()
self.conn = None
self._capsinfo = None
self._gdata = None
# Distro detection state variables
self._detect_os_in_progress = False
self._os_already_detected_for_media = False
self._customize_window = None
self._storage_browser = None
self._netlist = None
self._addstorage = vmmAddStorage(self.conn, self.builder, self.topwin)
self.widget("storage-align").add(self._addstorage.top_box)
def _browse_file_cb(ignore, widget):
self._browse_file(widget)
self._addstorage.connect("browse-clicked", _browse_file_cb)
self._mediacombo = vmmMediaCombo(self.conn, self.builder, self.topwin)
self._mediacombo.connect("changed", self._iso_changed_cb)
self._mediacombo.connect("activate", self._iso_activated_cb)
self._mediacombo.set_mnemonic_label(
self.widget("install-iso-label"))
self.widget("install-iso-align").add(self._mediacombo.top_box)
self.builder.connect_signals({
"on_vmm_newcreate_delete_event": self._close_requested,
"on_create_cancel_clicked": self._close_requested,
"on_create_back_clicked": self._back_clicked,
"on_create_forward_clicked": self._forward_clicked,
"on_create_finish_clicked": self._finish_clicked,
"on_create_pages_switch_page": self._page_changed,
"on_create_conn_changed": self._conn_changed,
"on_method_changed": self._method_changed,
"on_xen_type_changed": self._xen_type_changed,
"on_arch_changed": self._arch_changed,
"on_virt_type_changed": self._virt_type_changed,
"on_machine_changed": self._machine_changed,
"on_vz_virt_type_changed": self._vz_virt_type_changed,
"on_install_iso_browse_clicked": self._browse_iso,
"on_install_url_entry_changed": self._url_changed,
"on_install_url_entry_activate": self._url_activated,
"on_install_import_browse_clicked": self._browse_import,
"on_install_app_browse_clicked": self._browse_app,
"on_install_oscontainer_browse_clicked": self._browse_oscontainer,
"on_install_container_source_toggle": self._container_source_toggle,
"on_install_detect_os_toggled": self._detect_os_toggled_cb,
"on_enable_storage_toggled": self._toggle_enable_storage,
"on_create_vm_name_changed": self._name_changed,
})
self.bind_escape_key_close()
self._init_state()
###########################
# Standard window methods #
###########################
def show(self, parent, uri):
log.debug("Showing new vm wizard")
if not self.is_visible():
self._reset_state(uri)
self.topwin.set_transient_for(parent)
vmmEngine.get_instance().increment_window_counter()
self.topwin.present()
def _close(self, ignore1=None, ignore2=None):
if self.is_visible():
log.debug("Closing new vm wizard")
vmmEngine.get_instance().decrement_window_counter()
self.topwin.hide()
self._cleanup_customize_window()
if self._storage_browser:
self._storage_browser.close()
self._set_conn(None)
self._gdata = None
def _cleanup(self):
if self._storage_browser:
self._storage_browser.cleanup()
self._storage_browser = None
if self._netlist: # pragma: no cover
self._netlist.cleanup()
self._netlist = None
if self._mediacombo:
self._mediacombo.cleanup()
self._mediacombo = None
if self._addstorage:
self._addstorage.cleanup()
self._addstorage = None
self.conn = None
self._capsinfo = None
self._gdata = None
##########################
# Initial state handling #
##########################
def _show_startup_error(self, error, hideinstall=True):
self.widget("startup-error-box").show()
self.widget("create-forward").set_sensitive(False)
if hideinstall:
self.widget("install-box").hide()
self.widget("arch-expander").hide()
self.widget("startup-error").set_text(_("Error: %s") % error)
return False
def _show_startup_warning(self, error):
self.widget("startup-error-box").show()
self.widget("startup-error").set_markup(
_("<span size='small'>Warning: %s</span>") % error)
def _show_arch_warning(self, error):
self.widget("arch-warning-box").show()
self.widget("arch-warning").set_markup(
_("<span size='small'>Warning: %s</span>") % error)
def _init_state(self):
self.widget("create-pages").set_show_tabs(False)
self.widget("install-method-pages").set_show_tabs(False)
# Connection list
self.widget("create-conn-label").set_text("")
self.widget("startup-error").set_text("")
conn_list = self.widget("create-conn")
conn_model = Gtk.ListStore(str, str)
conn_list.set_model(conn_model)
text = uiutil.init_combo_text_column(conn_list, 1)
text.set_property("ellipsize", Pango.EllipsizeMode.MIDDLE)
def set_model_list(widget_id):
lst = self.widget(widget_id)
model = Gtk.ListStore(str)
lst.set_model(model)
lst.set_entry_text_column(0)
# Lists for the install urls
set_model_list("install-url-combo")
# Lists for OS container bootstrap
set_model_list("install-oscontainer-source-url-combo")
# Architecture
archList = self.widget("arch")
# [label, guest.os.arch value]
archModel = Gtk.ListStore(str, str)
archList.set_model(archModel)
uiutil.init_combo_text_column(archList, 0)
archList.set_row_separator_func(
lambda m, i, ignore: m[i][0] is None, None)
# guest.os.type value for xen (hvm vs. xen)
hyperList = self.widget("xen-type")
# [label, guest.os_type value]
hyperModel = Gtk.ListStore(str, str)
hyperList.set_model(hyperModel)
uiutil.init_combo_text_column(hyperList, 0)
# guest.os.machine value
lst = self.widget("machine")
# [machine ID]
model = Gtk.ListStore(str)
lst.set_model(model)
uiutil.init_combo_text_column(lst, 0)
lst.set_row_separator_func(lambda m, i, ignore: m[i][0] is None, None)
# guest.type value for xen (qemu vs kvm)
lst = self.widget("virt-type")
# [label, guest.type value]
model = Gtk.ListStore(str, str)
lst.set_model(model)
uiutil.init_combo_text_column(lst, 0)
# OS distro list
self._os_list = vmmOSList()
self.widget("install-os-align").add(self._os_list.search_entry)
self.widget("os-label").set_mnemonic_widget(self._os_list.search_entry)
def _reset_state(self, urihint=None):
"""
Reset all UI state to default values. Conn specific state is
populated in _populate_conn_state
"""
self.reset_finish_cursor()
self.widget("create-pages").set_current_page(PAGE_NAME)
self._page_changed(None, None, PAGE_NAME)
# Name page state
self.widget("create-vm-name").set_text("")
self.widget("method-local").set_active(True)
self.widget("create-conn").set_active(-1)
activeconn = self._populate_conn_list(urihint)
self.widget("arch-expander").set_expanded(False)
self.widget("vz-virt-type-hvm").set_active(True)
if self._set_conn(activeconn) is False:
return False
# Everything from this point forward should be connection independent
# Distro/Variant
self._os_list.reset_state()
self._os_already_detected_for_media = False
def _populate_media_model(media_model, urls):
media_model.clear()
for url in (urls or []):
media_model.append([url])
# Install local
self._mediacombo.reset_state()
# Install URL
self.widget("install-urlopts-entry").set_text("")
self.widget("install-url-entry").set_text("")
self.widget("install-url-options").set_expanded(False)
urlmodel = self.widget("install-url-combo").get_model()
_populate_media_model(urlmodel, self.config.get_media_urls())
# Install import
self.widget("install-import-entry").set_text("")
# Install container app
self.widget("install-app-entry").set_text("/bin/sh")
# Install container OS
self.widget("install-oscontainer-fs").set_text("")
self.widget("install-oscontainer-source-url-entry").set_text("")
self.widget("install-oscontainer-source-user").set_text("")
self.widget("install-oscontainer-source-passwd").set_text("")
self.widget("install-oscontainer-source-insecure").set_active(False)
self.widget("install-oscontainer-bootstrap").set_active(False)
self.widget("install-oscontainer-auth-options").set_expanded(False)
self.widget("install-oscontainer-rootpw").set_text("")
src_model = (self.widget("install-oscontainer-source-url-combo")
.get_model())
_populate_media_model(src_model, self.config.get_container_urls())
# Install VZ container from template
self.widget("install-container-template").set_text("centos-7-x86_64")
# Storage
self.widget("enable-storage").set_active(True)
self._addstorage.reset_state()
self._addstorage.widget("storage-create").set_active(True)
self._addstorage.widget("storage-entry").set_text("")
# Final page
self.widget("summary-customize").set_active(False)
def _set_caps_state(self):
"""
Set state that is dependent on when capsinfo changes
"""
self.widget("arch-warning-box").hide()
self._gdata = self._build_guestdata()
guest = self._gdata.build_guest()
# Helper state
is_local = not self.conn.is_remote()
is_storage_capable = self.conn.support.conn_storage()
can_storage = (is_local or is_storage_capable)
is_pv = guest.os.is_xenpv()
is_container_only = self.conn.is_container_only()
is_vz = self.conn.is_vz()
is_vz_container = is_vz and guest.os.is_container()
can_remote_url = self.conn.get_backend().support_remote_url_install()
installable_arch = bool(guest.os.is_x86() or
guest.os.is_ppc64() or
guest.os.is_s390x())
default_efi = self.config.get_default_firmware_setting() == "uefi"
if default_efi:
log.debug("UEFI default requested via app preferences")
if guest.prefers_uefi() or default_efi:
try:
# We call this for validation
guest.enable_uefi()
self._gdata.uefi_requested = True
installable_arch = True
log.debug("UEFI found, setting it as default.")
except Exception as e:
installable_arch = False
log.debug("Error checking for UEFI default", exc_info=True)
msg = _("Failed to setup UEFI: %s\n"
"Install options are limited.") % e
self._show_arch_warning(msg)
# Install Options
method_tree = self.widget("method-tree")
method_manual = self.widget("method-manual")
method_local = self.widget("method-local")
method_import = self.widget("method-import")
method_container_app = self.widget("method-container-app")
method_tree.set_sensitive((is_local or can_remote_url) and
installable_arch)
method_local.set_sensitive(not is_pv and can_storage and
installable_arch)
method_manual.set_sensitive(not is_container_only)
method_import.set_sensitive(can_storage)
virt_methods = [method_local, method_tree,
method_manual, method_import]
local_tt = None
tree_tt = None
import_tt = None
if not is_local:
if not can_remote_url:
tree_tt = _("Libvirt version does not "
"support remote URL installs.")
if not is_storage_capable: # pragma: no cover
local_tt = _("Connection does not support storage management.")
import_tt = local_tt
if is_pv:
local_tt = _("CDROM/ISO installs not available for paravirt guests.")
if not installable_arch:
msg = (_("Architecture '%s' is not installable") %
guest.os.arch)
tree_tt = msg
local_tt = msg
if not any([w.get_active() and w.get_sensitive()
for w in virt_methods]):
for w in virt_methods:
if w.get_sensitive():
w.set_active(True)
break
if not (is_container_only or
[w for w in virt_methods if w.get_sensitive()]):
return self._show_startup_error( # pragma: no cover
_("No install methods available for this connection."),
hideinstall=False)
method_tree.set_tooltip_text(tree_tt or "")
method_local.set_tooltip_text(local_tt or "")
method_import.set_tooltip_text(import_tt or "")
# Container install options
method_container_app.set_active(True)
self.widget("container-install-box").set_visible(is_container_only)
self.widget("vz-install-box").set_visible(is_vz)
self.widget("virt-install-box").set_visible(
not is_container_only and not is_vz_container)
self.widget("kernel-info-box").set_visible(not installable_arch)
def _populate_conn_state(self):
"""
Update all state that has some dependency on the current connection
"""
self.conn.schedule_priority_tick(pollnet=True,
pollpool=True,
pollnodedev=True)
self.widget("install-box").show()
self.widget("create-forward").set_sensitive(True)
self._capsinfo = None
self.conn.invalidate_caps()
if not self.conn.caps.has_install_options():
error = _("No hypervisor options were found for this "
"connection.")
if self.conn.is_qemu():
error += "\n\n"
error += _("This usually means that QEMU or KVM is not "
"installed on your machine, or the KVM kernel "
"modules are not loaded.")
return self._show_startup_error(error)
self._change_caps()
# A bit out of order, but populate the xen/virt/arch/machine lists
# so we can work with a default.
self._populate_xen_type()
self._populate_arch()
self._populate_virt_type()
show_arch = (self.widget("xen-type").get_visible() or
self.widget("virt-type").get_visible() or
self.widget("arch").get_visible() or
self.widget("machine").get_visible())
uiutil.set_grid_row_visible(self.widget("arch-expander"), show_arch)
if self.conn.is_qemu():
if not self._capsinfo.guest.is_kvm_available():
error = _("KVM is not available. This may mean the KVM "
"package is not installed, or the KVM kernel modules "
"are not loaded. Your virtual machines may perform poorly.")
self._show_startup_warning(error)
elif self.conn.is_vz():
has_hvm_guests = False
has_exe_guests = False
for g in self.conn.caps.guests:
if g.os_type == "hvm":
has_hvm_guests = True
if g.os_type == "exe":
has_exe_guests = True
self.widget("vz-virt-type-hvm").set_sensitive(has_hvm_guests)
self.widget("vz-virt-type-exe").set_sensitive(has_exe_guests)
self.widget("vz-virt-type-hvm").set_active(has_hvm_guests)
self.widget("vz-virt-type-exe").set_active(
not has_hvm_guests and has_exe_guests)
# ISO media
# Dependent on connection so we need to do this here
self._mediacombo.set_conn(self.conn)
self._mediacombo.reset_state()
# Allow container bootstrap only for local connection and
# only if virt-bootstrap is installed. Otherwise, show message.
is_local = not self.conn.is_remote()
vb_installed = is_virt_bootstrap_installed(self.conn)
vb_enabled = is_local and vb_installed
oscontainer_widget_conf = {
"install-oscontainer-notsupport-conn": not is_local,
"install-oscontainer-notsupport": not vb_installed,
"install-oscontainer-bootstrap": vb_enabled,
"install-oscontainer-source": vb_enabled,
"install-oscontainer-rootpw-box": vb_enabled
}
for wname, val in oscontainer_widget_conf.items():
self.widget(wname).set_visible(val)
# Memory
memory = int(self.conn.host_memory_size())
mem_label = (_("Up to %(maxmem)s available on the host") %
{'maxmem': _pretty_memory(memory)})
mem_label = ("<span size='small'>%s</span>" % mem_label)
self.widget("mem").set_range(50, memory // 1024)
self.widget("phys-mem-label").set_markup(mem_label)
# CPU
phys_cpus = int(self.conn.host_active_processor_count())
cpu_label = (ngettext("Up to %(numcpus)d available",
"Up to %(numcpus)d available",
phys_cpus) %
{'numcpus': int(phys_cpus)})
cpu_label = ("<span size='small'>%s</span>" % cpu_label)
self.widget("cpus").set_range(1, max(phys_cpus, 1))
self.widget("phys-cpu-label").set_markup(cpu_label)
# Storage
self._addstorage.conn = self.conn
self._addstorage.reset_state()
# Networking
self.widget("advanced-expander").set_expanded(False)
self._netlist = vmmNetworkList(self.conn, self.builder, self.topwin)
self.widget("netdev-ui-align").add(self._netlist.top_box)
self._netlist.reset_state()
def _conn_state_changed(self, conn):
if conn.is_disconnected():
self._close()
def _set_conn(self, newconn):
self.widget("startup-error-box").hide()
self.widget("arch-warning-box").hide()
oldconn = self.conn
self.conn = newconn
if oldconn:
oldconn.disconnect_by_obj(self)
if self._netlist:
self.widget("netdev-ui-align").remove(self._netlist.top_box)
self._netlist.cleanup()
self._netlist = None
if not self.conn:
return self._show_startup_error(
_("No active connection to install on."))
self.conn.connect("state-changed", self._conn_state_changed)
try:
return self._populate_conn_state()
except Exception as e: # pragma: no cover
log.exception("Error setting create wizard conn state.")
return self._show_startup_error(str(e))
def _change_caps(self, gtype=None, arch=None, domtype=None):
"""
Change the cached capsinfo for the passed values, and trigger
all needed UI refreshing
"""
if gtype is None:
# If none specified, prefer HVM so install options aren't limited
# with a default PV choice.
for g in self.conn.caps.guests:
if g.os_type == "hvm":
gtype = "hvm"
break
capsinfo = self.conn.caps.guest_lookup(os_type=gtype,
arch=arch,
typ=domtype)
if self._capsinfo:
if (self._capsinfo.guest == capsinfo.guest and
self._capsinfo.domain == capsinfo.domain):
return
self._capsinfo = capsinfo
log.debug("Guest type set to os_type=%s, arch=%s, dom_type=%s",
self._capsinfo.os_type,
self._capsinfo.arch,
self._capsinfo.hypervisor_type)
self._populate_machine()
self._set_caps_state()
##################################################
# Helpers for populating hv/arch/machine/conn UI #
##################################################
def _populate_xen_type(self):
model = self.widget("xen-type").get_model()
model.clear()
default = 0
guests = []
if self.conn.is_xen() or self.conn.is_test():
guests = self.conn.caps.guests[:]
for guest in guests:
if not guest.domains:
continue # pragma: no cover
gtype = guest.os_type
dom = guest.domains[0]
domtype = dom.hypervisor_type
label = self.conn.pretty_hv(gtype, domtype)
# Don't add multiple rows for each arch
for m in model:
if m[0] == label:
label = None
break
if label is None:
continue
# Determine if this is the default given by guest_lookup
if (gtype == self._capsinfo.os_type and
domtype == self._capsinfo.hypervisor_type):
default = len(model)
model.append([label, gtype])
show = bool(len(model))
uiutil.set_grid_row_visible(self.widget("xen-type"), show)
if show:
self.widget("xen-type").set_active(default)
def _populate_arch(self):
model = self.widget("arch").get_model()
model.clear()
default = 0
archs = []
for guest in self.conn.caps.guests:
if guest.os_type == self._capsinfo.os_type:
archs.append(guest.arch)
# Combine x86/i686 to avoid confusion
if (self.conn.caps.host.cpu.arch == "x86_64" and
"x86_64" in archs and "i686" in archs):
archs.remove("i686")
archs.sort()
prios = ["x86_64", "i686", "aarch64", "armv7l", "ppc64", "ppc64le",
"s390x"]
if self.conn.caps.host.cpu.arch not in prios:
prios = [] # pragma: no cover
for p in prios[:]:
if p not in archs:
prios.remove(p)
else:
archs.remove(p)
if prios:
if archs:
prios += [None]
archs = prios + archs
default = 0
if self._capsinfo.arch in archs:
default = archs.index(self._capsinfo.arch)
for arch in archs:
model.append([_pretty_arch(arch), arch])
show = not (len(archs) < 2)
uiutil.set_grid_row_visible(self.widget("arch"), show)
self.widget("arch").set_active(default)
def _populate_virt_type(self):
model = self.widget("virt-type").get_model()
model.clear()
# Allow choosing between qemu and kvm for archs that traditionally
# have a decent amount of TCG usage, like armv7l. Also include
# aarch64 which can be used for arm32 VMs as well
domains = [d.hypervisor_type for d in self._capsinfo.guest.domains[:]]
if not self.conn.is_qemu():
domains = []
elif self._capsinfo.arch in ["i686", "x86_64", "ppc64", "ppc64le"]:
domains = []
default = 0
if self._capsinfo.hypervisor_type in domains:
default = domains.index(self._capsinfo.hypervisor_type)
prios = ["kvm"]
for domain in prios:
if domain not in domains:
continue
domains.remove(domain)
domains.insert(0, domain)
for domain in domains:
label = self.conn.pretty_hv(self._capsinfo.os_type, domain)
model.append([label, domain])
show = bool(len(model) > 1)
uiutil.set_grid_row_visible(self.widget("virt-type"), show)
self.widget("virt-type").set_active(default)
def _populate_machine(self):
model = self.widget("machine").get_model()
machines = self._capsinfo.machines[:]
if self._capsinfo.arch in ["i686", "x86_64"]:
machines = []
machines.sort()
defmachine = None
prios = []
recommended_machine = virtinst.Guest.get_recommended_machine(
self._capsinfo)
if recommended_machine:
defmachine = recommended_machine
prios = [defmachine]
for p in prios[:]:
if p not in machines:
prios.remove(p) # pragma: no cover
else:
machines.remove(p)
if prios:
machines = prios + [None] + machines
default = 0
if defmachine and defmachine in machines:
default = machines.index(defmachine)
self.widget("machine").disconnect_by_func(self._machine_changed)
try:
model.clear()
for m in machines:
model.append([m])
show = (len(machines) > 1)
uiutil.set_grid_row_visible(self.widget("machine"), show)
if show:
self.widget("machine").set_active(default)
finally:
self.widget("machine").connect("changed", self._machine_changed)
def _populate_conn_list(self, urihint=None):
conn_list = self.widget("create-conn")
model = conn_list.get_model()
model.clear()
default = -1
connmanager = vmmConnectionManager.get_instance()
for connobj in connmanager.conns.values():
if not connobj.is_active():
continue
if connobj.get_uri() == urihint:
default = len(model)
elif default < 0 and not connobj.is_remote():
# Favor local connections over remote connections
default = len(model)
model.append([connobj.get_uri(), connobj.get_pretty_desc()])
no_conns = (len(model) == 0)
if default < 0 and not no_conns:
default = 0 # pragma: no cover
activeuri = ""
activedesc = ""
activeconn = None
if not no_conns:
conn_list.set_active(default)
activeuri, activedesc = model[default]
activeconn = connmanager.conns[activeuri]
self.widget("create-conn-label").set_text(activedesc)
if len(model) <= 1:
self.widget("create-conn").hide()
self.widget("create-conn-label").show()
else:
self.widget("create-conn").show()
self.widget("create-conn-label").hide()
return activeconn
###############################
# Misc UI populating routines #
###############################
def _populate_summary_storage(self, path=None):
storagetmpl = "<span size='small'>%s</span>"
storagesize = ""
storagepath = ""
disk = self._gdata.disk
fs = self._gdata.filesystem
if disk:
if disk.wants_storage_creation():
storagesize = "%s" % _pretty_storage(disk.get_size())
if not path:
path = disk.get_source_path()
storagepath = (storagetmpl % path)
elif fs:
storagepath = storagetmpl % fs.source
else:
storagepath = _("None")
self.widget("summary-storage").set_markup(storagesize)
self.widget("summary-storage").set_visible(bool(storagesize))
self.widget("summary-storage-path").set_markup(storagepath)
def _populate_summary(self):
guest = self._gdata.build_guest()
mem = _pretty_memory(int(guest.memory))
cpu = str(int(guest.vcpus))
instmethod = self._get_config_install_page()
install = ""
if instmethod == INSTALL_PAGE_ISO:
install = _("Local CDROM/ISO")
elif instmethod == INSTALL_PAGE_URL:
install = _("URL Install Tree")
elif instmethod == INSTALL_PAGE_IMPORT:
install = _("Import existing OS image")
elif instmethod == INSTALL_PAGE_MANUAL:
install = _("Manual install")
elif instmethod == INSTALL_PAGE_CONTAINER_APP:
install = _("Application container")
elif instmethod == INSTALL_PAGE_CONTAINER_OS:
install = _("Operating system container")
elif instmethod == INSTALL_PAGE_VZ_TEMPLATE:
install = _("Virtuozzo container")
self.widget("summary-os").set_text(guest.osinfo.label)
self.widget("summary-install").set_text(install)
self.widget("summary-mem").set_text(mem)
self.widget("summary-cpu").set_text(cpu)
self._populate_summary_storage()
nsource = self._netlist.get_network_selection()[1]
if not nsource:
self.widget("advanced-expander").set_expanded(True)
################################
# UI state getters and helpers #
################################
def _get_config_name(self):
return self.widget("create-vm-name").get_text()
def _get_config_machine(self):
return uiutil.get_list_selection(self.widget("machine"),
check_visible=True)
def _get_config_install_page(self):
if self.widget("vz-install-box").get_visible():
if self.widget("vz-virt-type-exe").get_active():
return INSTALL_PAGE_VZ_TEMPLATE
if self.widget("virt-install-box").get_visible():
if self.widget("method-local").get_active():
return INSTALL_PAGE_ISO
elif self.widget("method-tree").get_active():
return INSTALL_PAGE_URL
elif self.widget("method-import").get_active():
return INSTALL_PAGE_IMPORT
elif self.widget("method-manual").get_active():
return INSTALL_PAGE_MANUAL
else:
if self.widget("method-container-app").get_active():
return INSTALL_PAGE_CONTAINER_APP
if self.widget("method-container-os").get_active():
return INSTALL_PAGE_CONTAINER_OS
def _is_container_install(self):
return self._get_config_install_page() in [INSTALL_PAGE_CONTAINER_APP,
INSTALL_PAGE_CONTAINER_OS,
INSTALL_PAGE_VZ_TEMPLATE]
def _get_config_oscontainer_bootstrap(self):
return self.widget("install-oscontainer-bootstrap").get_active()
def _get_config_oscontainer_source_url(self, store_media=False):
src_url = (self.widget("install-oscontainer-source-url-entry")
.get_text().strip())
if src_url and store_media:
self.config.add_container_url(src_url)
return src_url
def _get_config_oscontainer_source_username(self):
return (self.widget("install-oscontainer-source-user")
.get_text().strip())
def _get_config_oscontainer_source_password(self):
return self.widget("install-oscontainer-source-passwd").get_text()
def _get_config_oscontainer_isecure(self):
return self.widget("install-oscontainer-source-insecure").get_active()
def _get_config_oscontainer_root_password(self):
return self.widget("install-oscontainer-rootpw").get_text()
def _should_skip_disk_page(self):
return self._get_config_install_page() in [INSTALL_PAGE_IMPORT,
INSTALL_PAGE_CONTAINER_APP,
INSTALL_PAGE_CONTAINER_OS,
INSTALL_PAGE_VZ_TEMPLATE]
def _get_config_local_media(self, store_media=False):
return self._mediacombo.get_path(store_media=store_media)
def _get_config_detectable_media(self):
instpage = self._get_config_install_page()
cdrom = None
location = None
if instpage == INSTALL_PAGE_ISO:
cdrom = self._get_config_local_media()
elif instpage == INSTALL_PAGE_URL:
location = self.widget("install-url-entry").get_text()
return cdrom, location
def _get_config_url_info(self, store_media=False):
media = self.widget("install-url-entry").get_text().strip()
extra = self.widget("install-urlopts-entry").get_text().strip()
if media and store_media:
self.config.add_media_url(media)
return (media, extra)
def _get_config_import_path(self):
return self.widget("install-import-entry").get_text()
def _is_default_storage(self):
return (self._addstorage.is_default_storage() and
not self._should_skip_disk_page())
def _is_os_detect_active(self):
return self.widget("install-detect-os").get_active()
################
# UI Listeners #
################
def _close_requested(self, *ignore1, **ignore2):
"""
When user tries to close the dialog, check for any disks that
we should auto cleanup
"""
if (not self._gdata or
not self._gdata.failed_guest):
self._close()
return 1
def _cleanup_disks(asyncjob, _failed_guest):
meter = asyncjob.get_meter()
virtinst.Installer.cleanup_created_disks(_failed_guest, meter)
def _cleanup_disks_finished(error, details):
if error: # pragma: no cover
log.debug("Error cleaning up disk images:"
"\nerror=%s\ndetails=%s", error, details)
self.idle_add(self._close)
progWin = vmmAsyncJob(
_cleanup_disks, [self._gdata.failed_guest],
_cleanup_disks_finished, [],
_("Removing disk images"),
_("Removing disk images we created for this virtual machine."),
self.topwin)
progWin.run()
return 1
# Intro page listeners
def _conn_changed(self, src):
uri = uiutil.get_list_selection(src)
newconn = None
connmanager = vmmConnectionManager.get_instance()
if uri:
newconn = connmanager.conns[uri]
# If we aren't visible, let reset_state handle this for us, which
# has a better chance of reporting error
if not self.is_visible():
return
if self.conn is not newconn:
self._set_conn(newconn)
def _method_changed(self, src):
ignore = src
# Reset the page number, since the total page numbers depend
# on the chosen install method
self._set_page_num_text(0)
def _machine_changed(self, ignore):
self._set_caps_state()
def _xen_type_changed(self, ignore):
os_type = uiutil.get_list_selection(self.widget("xen-type"), column=1)
if not os_type:
return
self._change_caps(os_type)
self._populate_arch()
def _arch_changed(self, ignore):
arch = uiutil.get_list_selection(self.widget("arch"), column=1)
if not arch:
return
self._change_caps(self._capsinfo.os_type, arch)
self._populate_virt_type()
def _virt_type_changed(self, ignore):
domtype = uiutil.get_list_selection(self.widget("virt-type"), column=1)
if not domtype:
return
self._change_caps(self._capsinfo.os_type, self._capsinfo.arch, domtype)
def _vz_virt_type_changed(self, ignore):
is_hvm = self.widget("vz-virt-type-hvm").get_active()
if is_hvm:
self._change_caps("hvm")
else:
self._change_caps("exe")
# Install page listeners
def _detectable_media_widget_changed(self, widget, checkfocus=True):
self._os_already_detected_for_media = False
# If the text entry widget has focus, don't fire detect_media_os,
# it means the user is probably typing. It will be detected
# when the user activates the widget, or we try to switch pages
if (checkfocus and
hasattr(widget, "get_text") and widget.has_focus()):
return
self._start_detect_os_if_needed()
def _url_changed(self, src):
self._detectable_media_widget_changed(src)
def _url_activated(self, src):
self._detectable_media_widget_changed(src, checkfocus=False)
def _iso_changed_cb(self, mediacombo, entry):
self._detectable_media_widget_changed(entry)
def _iso_activated_cb(self, mediacombo, entry):
self._detectable_media_widget_changed(entry, checkfocus=False)
def _detect_os_toggled_cb(self, src):
if not src.is_visible():
return # pragma: no cover
# We are only here if the user explicitly changed detection UI
dodetect = src.get_active()
self._change_os_detect(not dodetect)
if dodetect:
self._os_already_detected_for_media = False
self._start_detect_os_if_needed()
def _browse_oscontainer(self, ignore):
self._browse_file("install-oscontainer-fs", is_dir=True)
def _browse_app(self, ignore):
self._browse_file("install-app-entry")
def _browse_import(self, ignore):
self._browse_file("install-import-entry")
def _browse_iso(self, ignore):
def set_path(ignore, path):
self._mediacombo.set_path(path)
self._browse_file(None, cb=set_path, is_media=True)
# Storage page listeners
def _toggle_enable_storage(self, src):
self.widget("storage-align").set_sensitive(src.get_active())
# Summary page listeners
def _name_changed(self, src):
newname = src.get_text()
if not src.is_visible():
return
if not newname:
return
try:
path, ignore = self._get_storage_path(newname, do_log=False)
self._populate_summary_storage(path=path)
except Exception: # pragma: no cover
log.debug("Error generating storage path on name change "
"for name=%s", newname, exc_info=True)
# Enable/Disable container source URL entry on checkbox click
def _container_source_toggle(self, ignore):
enable_src = self.widget("install-oscontainer-bootstrap").get_active()
self.widget("install-oscontainer-source").set_sensitive(enable_src)
self.widget("install-oscontainer-rootpw-box").set_sensitive(enable_src)
# Auto-generate a path if not specified
if enable_src and not self.widget("install-oscontainer-fs").get_text():
fs_dir = ['/var/lib/libvirt/filesystems/']
if os.geteuid() != 0:
fs_dir = [os.path.expanduser("~"),
'.local/share/libvirt/filesystems/']
guest = self._gdata.build_guest()
default_name = virtinst.Guest.generate_name(guest)
fs = fs_dir + [default_name]
self.widget("install-oscontainer-fs").set_text(os.path.join(*fs))
########################
# Misc helper routines #
########################
def _browse_file(self, cbwidget, cb=None, is_media=False, is_dir=False):
if is_media:
reason = self.config.CONFIG_DIR_ISO_MEDIA
elif is_dir:
reason = self.config.CONFIG_DIR_FS
else:
reason = self.config.CONFIG_DIR_IMAGE
if cb:
callback = cb
else:
def callback(ignore, text):
widget = cbwidget
if isinstance(cbwidget, str):
widget = self.widget(cbwidget)
widget.set_text(text)
if self._storage_browser and self._storage_browser.conn != self.conn:
self._storage_browser.cleanup()
self._storage_browser = None
if self._storage_browser is None:
self._storage_browser = vmmStorageBrowser(self.conn)
self._storage_browser.set_vm_name(self._get_config_name())
self._storage_browser.set_finish_cb(callback)
self._storage_browser.set_browse_reason(reason)
self._storage_browser.show(self.topwin)
######################
# Navigation methods #
######################
def _set_page_num_text(self, cur):
"""
Set the 'page 1 of 4' style text in the wizard header
"""
cur += 1
final = PAGE_FINISH + 1
if self._should_skip_disk_page():
final -= 1
cur = min(cur, final)
page_lbl = (_("Step %(current_page)d of %(max_page)d") %
{'current_page': cur, 'max_page': final})
self.widget("header-pagenum").set_markup(page_lbl)
def _change_os_detect(self, sensitive):
self._os_list.set_sensitive(sensitive)
if not sensitive and not self._os_list.get_selected_os():
self._os_list.search_entry.set_text(
_("Waiting for install media / source"))
def _set_install_page(self):
instpage = self._get_config_install_page()
# Setting OS value for container doesn't matter presently
self.widget("install-os-distro-box").set_visible(
not self._is_container_install())
enabledetect = False
if instpage == INSTALL_PAGE_URL:
enabledetect = True
elif instpage == INSTALL_PAGE_ISO and not self.conn.is_remote():
enabledetect = True
self.widget("install-detect-os-box").set_visible(enabledetect)
dodetect = (enabledetect and
self.widget("install-detect-os").get_active())
self._change_os_detect(not dodetect)
# Manual installs have nothing to ask for
has_install = instpage != INSTALL_PAGE_MANUAL
self.widget("install-method-pages").set_visible(has_install)
if not has_install:
self._os_list.search_entry.grab_focus()
self.widget("install-method-pages").set_current_page(instpage)
def _back_clicked(self, src_ignore):
notebook = self.widget("create-pages")
curpage = notebook.get_current_page()
next_page = curpage - 1
if curpage == PAGE_FINISH and self._should_skip_disk_page():
# Skip over storage page
next_page -= 1
notebook.set_current_page(next_page)
def _get_next_pagenum(self, curpage):
next_page = curpage + 1
if next_page == PAGE_STORAGE and self._should_skip_disk_page():
# Skip storage page for import installs
next_page += 1
return next_page
def _forward_clicked(self, src_ignore=None):
notebook = self.widget("create-pages")
curpage = notebook.get_current_page()
if curpage == PAGE_INSTALL:
# Make sure we have detected the OS before validating the page
did_start = self._start_detect_os_if_needed(
forward_after_finish=True)
if did_start:
return
if self._validate(curpage) is not True:
return
self.widget("create-forward").grab_focus()
if curpage == PAGE_NAME:
self._set_install_page()
next_page = self._get_next_pagenum(curpage)
notebook.set_current_page(next_page)
def _page_changed(self, ignore1, ignore2, pagenum):
if pagenum == PAGE_FINISH:
try:
self._populate_summary()
except Exception as e: # pragma: no cover
self.err.show_err(_("Error populating summary page: %s") %
str(e))
return
self.widget("create-finish").grab_focus()
self.widget("create-back").set_sensitive(pagenum != PAGE_NAME)
self.widget("create-forward").set_visible(pagenum != PAGE_FINISH)
self.widget("create-finish").set_visible(pagenum == PAGE_FINISH)
# Hide all other pages, so the dialog isn't all stretched out
# because of one large page.
for nr in range(self.widget("create-pages").get_n_pages()):
page = self.widget("create-pages").get_nth_page(nr)
page.set_visible(nr == pagenum)
self._set_page_num_text(pagenum)
############################
# Page validation routines #
############################
def _build_guestdata(self):
gdata = _GuestData(self.conn.get_backend(), self._capsinfo)
gdata.default_graphics_type = self.config.get_graphics_type()
gdata.x86_cpu_default = self.config.get_default_cpu_setting()
return gdata
def _validate(self, pagenum):
try:
if pagenum == PAGE_NAME:
return self._validate_intro_page()
elif pagenum == PAGE_INSTALL:
return self._validate_install_page()
elif pagenum == PAGE_MEM:
return self._validate_mem_page()
elif pagenum == PAGE_STORAGE:
return self._validate_storage_page()
elif pagenum == PAGE_FINISH:
return self._validate_final_page()
except Exception as e: # pragma: no cover
self.err.show_err(_("Uncaught error validating install "
"parameters: %s") % str(e))
return
def _validate_intro_page(self):
self._gdata.machine = self._get_config_machine()
return bool(self._gdata.build_guest())
def _validate_oscontainer_bootstrap(self, fs, src_url, user, passwd):
# Check if the source path was provided
if not src_url:
return self.err.val_err(_("Source URL is required"))
# Require username and password when authenticate
# to source registry.
if user and not passwd:
msg = _("Please specify password for accessing source registry")
return self.err.val_err(msg)
# Validate destination path
if not os.path.exists(fs):
return # pragma: no cover
if not os.path.isdir(fs):
msg = _("Destination path is not directory: %s") % fs
return self.err.val_err(msg)
if not os.access(fs, os.W_OK):
msg = _("No write permissions for directory path: %s") % fs
return self.err.val_err(msg)
if os.listdir(fs) == []:
return
# Show Yes/No dialog if the destination is not empty
return self.err.yes_no(
_("OS root directory is not empty"),
_("Creating root file system in a non-empty "
"directory might fail due to file conflicts.\n"
"Would you like to continue?"))
def _validate_install_page(self):
instmethod = self._get_config_install_page()
installer = None
location = None
extra = None
cdrom = None
is_import = False
init = None
fs = None
template = None
osobj = self._os_list.get_selected_os()
if instmethod == INSTALL_PAGE_ISO:
media = self._get_config_local_media()
if not media:
msg = _("An install media selection is required.")
return self.err.val_err(msg)
cdrom = media
elif instmethod == INSTALL_PAGE_URL:
media, extra = self._get_config_url_info()
if not media:
return self.err.val_err(_("An install tree is required."))
location = media
elif instmethod == INSTALL_PAGE_IMPORT:
is_import = True
import_path = self._get_config_import_path()
if not import_path:
msg = _("A storage path to import is required.")
return self.err.val_err(msg)
if not virtinst.DeviceDisk.path_definitely_exists(
self.conn.get_backend(),
import_path):
msg = _("The import path must point to an existing storage.")
return self.err.val_err(msg)
elif instmethod == INSTALL_PAGE_CONTAINER_APP:
init = self.widget("install-app-entry").get_text()
if not init:
return self.err.val_err(_("An application path is required."))
elif instmethod == INSTALL_PAGE_CONTAINER_OS:
fs = self.widget("install-oscontainer-fs").get_text()
if not fs:
return self.err.val_err(_("An OS directory path is required."))
if self._get_config_oscontainer_bootstrap():
src_url = self._get_config_oscontainer_source_url()
user = self._get_config_oscontainer_source_username()
passwd = self._get_config_oscontainer_source_password()
ret = self._validate_oscontainer_bootstrap(
fs, src_url, user, passwd)
if ret is False:
return False
elif instmethod == INSTALL_PAGE_VZ_TEMPLATE:
template = self.widget("install-container-template").get_text()
if not template:
return self.err.val_err(_("A template name is required."))
if not self._is_container_install() and not osobj:
msg = _("You must select an OS.")
msg += "\n\n" + self._os_list.eol_text
return self.err.val_err(msg)
# Build the installer and Guest instance
try:
if init:
self._gdata.init = init
if fs:
fsdev = virtinst.DeviceFilesystem(self._gdata.conn)
fsdev.target = "/"
fsdev.source = fs
self._gdata.filesystem = fsdev
if template:
fsdev = virtinst.DeviceFilesystem(self._gdata.conn)
fsdev.target = "/"
fsdev.type = "template"
fsdev.source = template
self._gdata.filesystem = fsdev
self._gdata.location = location
self._gdata.cdrom = cdrom
self._gdata.extra_args = extra
self._gdata.livecd = False
self._gdata.os_variant = osobj and osobj.name or None
guest = self._gdata.build_guest()
installer = self._gdata.build_installer()
except Exception as e:
msg = _("Error setting installer parameters.")
return self.err.val_err(msg, e)
try:
name = virtinst.Guest.generate_name(guest)
virtinst.Guest.validate_name(self._gdata.conn, name)
self._gdata.name = name
except Exception as e: # pragma: no cover
return self.err.val_err(_("Error setting default name."), e)
self.widget("create-vm-name").set_text(self._gdata.name)
# Kind of wonky, run storage validation now, which will assign
# the import path. Import installer skips the storage page.
if is_import:
if not self._validate_storage_page():
return False
for path in installer.get_search_paths(guest):
self._addstorage.check_path_search(
self, self.conn, path)
res = guest.osinfo.get_recommended_resources()
ram = res.get_recommended_ram(guest.os.arch)
n_cpus = res.get_recommended_ncpus(guest.os.arch)
storage = res.get_recommended_storage(guest.os.arch)
log.debug("Recommended resources for os=%s: "
"ram=%s ncpus=%s storage=%s",
guest.osinfo.name, ram, n_cpus, storage)
# Change the default values suggested to the user.
ram_size = DEFAULT_MEM
if ram:
ram_size = ram // (1024 ** 2)
self.widget("mem").set_value(ram_size)
self.widget("cpus").set_value(n_cpus or 1)
if storage:
storage_size = storage // (1024 ** 3)
self._addstorage.widget("storage-size").set_value(storage_size)
# Validation passed, store the install path (if there is one) in
# gsettings
self._get_config_oscontainer_source_url(store_media=True)
self._get_config_local_media(store_media=True)
self._get_config_url_info(store_media=True)
return True
def _validate_mem_page(self):
cpus = self.widget("cpus").get_value()
mem = self.widget("mem").get_value()
self._gdata.vcpus = int(cpus)
self._gdata.currentMemory = int(mem) * 1024
self._gdata.memory = int(mem) * 1024
return True
def _get_storage_path(self, vmname, do_log):
failed_disk = None
if self._gdata.failed_guest:
failed_disk = self._gdata.disk
path = None
path_already_created = False
if self._get_config_install_page() == INSTALL_PAGE_IMPORT:
path = self._get_config_import_path()
elif self._is_default_storage():
if failed_disk:
# Don't generate a new path if the install failed
path = failed_disk.get_source_path()
path_already_created = failed_disk.storage_was_created
if do_log:
log.debug("Reusing failed disk path=%s "
"already_created=%s", path, path_already_created)
else:
path = self._addstorage.get_default_path(vmname)
if do_log:
log.debug("Default storage path is: %s", path)
return path, path_already_created
def _validate_storage_page(self):
path, path_already_created = self._get_storage_path(
self._gdata.name, do_log=True)
disk = None
storage_enabled = self.widget("enable-storage").get_active()
try:
if storage_enabled:
disk = self._addstorage.build_device(
self._gdata.name, path=path)
if disk and self._addstorage.validate_device(disk) is False:
return False
except Exception as e:
return self.err.val_err(_("Storage parameter error."), e)
if self._get_config_install_page() == INSTALL_PAGE_ISO:
# CD/ISO install and no disks implies LiveCD
self._gdata.livecd = not storage_enabled
self._gdata.disk = disk
if not storage_enabled:
return True
disk.storage_was_created = path_already_created
return True
def _validate_final_page(self):
# HV + Arch selection
name = self._get_config_name()
if name != self._gdata.name:
try:
virtinst.Guest.validate_name(self._gdata.conn, name)
self._gdata.name = name
except Exception as e:
return self.err.val_err(_("Invalid guest name"), str(e))
if self._is_default_storage():
log.debug("User changed VM name and using default "
"storage, re-validating with new default storage path.")
if not self._validate_storage_page():
return False # pragma: no cover
macaddr = virtinst.DeviceInterface.generate_mac(
self.conn.get_backend())
net = self._netlist.build_device(macaddr)
self._netlist.validate_device(net)
self._gdata.interface = net
return True
#############################
# Distro detection handling #
#############################
def _start_detect_os_if_needed(self, forward_after_finish=False):
"""
Will kick off the OS detection thread if all conditions are met,
like we actually have media to detect, detection isn't already
in progress, etc.
Returns True if we actually start the detection process
"""
is_install_page = (self.widget("create-pages").get_current_page() ==
PAGE_INSTALL)
cdrom, location = self._get_config_detectable_media()
if self._detect_os_in_progress:
return # pragma: no cover
if not is_install_page:
return # pragma: no cover
if not cdrom and not location:
return
if not self._is_os_detect_active():
return
if self._os_already_detected_for_media:
return
self._do_start_detect_os(cdrom, location, forward_after_finish)
return True
def _do_start_detect_os(self, cdrom, location, forward_after_finish):
self._detect_os_in_progress = False
log.debug("Starting OS detection thread for cdrom=%s location=%s",
cdrom, location)
self.widget("create-forward").set_sensitive(False)
class ThreadResults(object):
"""
Helper object to track results from the detection thread
"""
_DETECT_FAILED = 1
_DETECT_INPROGRESS = 2
def __init__(self):
self._results = self._DETECT_INPROGRESS
def in_progress(self):
return self._results == self._DETECT_INPROGRESS
def set_failed(self):
self._results = self._DETECT_FAILED
def set_distro(self, distro):
self._results = distro
def get_distro(self):
if self._results == self._DETECT_FAILED:
return None
return self._results
thread_results = ThreadResults()
detectThread = threading.Thread(target=self._detect_thread_cb,
name="Actual media detection",
args=(cdrom, location, thread_results))
detectThread.daemon = True
detectThread.start()
self._os_list.search_entry.set_text(_("Detecting..."))
spin = self.widget("install-detect-os-spinner")
spin.start()
self._report_detect_os_progress(0, thread_results,
forward_after_finish)
def _detect_thread_cb(self, cdrom, location, thread_results):
"""
Thread callback that does the actual detection
"""
try:
installer = virtinst.Installer(self.conn.get_backend(),
cdrom=cdrom,
location=location)
distro = installer.detect_distro(self._gdata.build_guest())
thread_results.set_distro(distro)
except Exception:
log.exception("Error detecting distro.")
thread_results.set_failed()
def _report_detect_os_progress(self, idx, thread_results,
forward_after_finish):
"""
Checks detection progress via the _detect_os_results variable
and updates the UI labels, counts the number of iterations,
etc.
We set a hard time limit on the distro detection to avoid the
chance of the detection hanging (like slow URL lookup)
"""
try:
if (thread_results.in_progress() and
(idx < (DETECT_TIMEOUT * 2))):
# Thread is still going and we haven't hit the timeout yet,
# so update the UI labels and reschedule this function
self.timeout_add(500, self._report_detect_os_progress,
idx + 1, thread_results, forward_after_finish)
return
distro = thread_results.get_distro()
except Exception: # pragma: no cover
distro = None
log.exception("Error in distro detect timeout")
spin = self.widget("install-detect-os-spinner")
spin.stop()
log.debug("Finished UI OS detection.")
self.widget("create-forward").set_sensitive(True)
self._os_already_detected_for_media = True
self._detect_os_in_progress = False
if not self._is_os_detect_active():
# If the user changed the OS detect checkbox in the meantime,
# don't update the UI
return # pragma: no cover
if distro:
self._os_list.select_os(virtinst.OSDB.lookup_os(distro))
else:
self._os_list.reset_state()
self._os_list.search_entry.set_text(_("None detected"))
if forward_after_finish:
self.idle_add(self._forward_clicked, ())
##########################
# Guest install routines #
##########################
def _finish_clicked(self, src_ignore):
# Validate the final page
page = self.widget("create-pages").get_current_page()
if self._validate(page) is not True:
return
log.debug("Starting create finish() sequence")
self._gdata.failed_guest = None
try:
guest = self._gdata.build_guest()
installer = self._gdata.build_installer()
self.set_finish_cursor()
# This encodes all the virtinst defaults up front, so the customize
# dialog actually shows disk buses, cache values, default devices,
# etc. Not required for straight start_install but doesn't hurt.
installer.set_install_defaults(guest)
if not self.widget("summary-customize").get_active():
self._start_install(guest, installer)
return
log.debug("User requested 'customize', launching dialog")
self._show_customize_dialog(guest, installer)
except Exception as e: # pragma: no cover
self.reset_finish_cursor()
self.err.show_err(_("Error starting installation: %s") % str(e))
return
def _cleanup_customize_window(self):
if not self._customize_window:
return
# We can re-enter this: cleanup() -> close() -> "details-closed"
window = self._customize_window
virtinst_domain = self._customize_window.vm
self._customize_window = None
window.cleanup()
virtinst_domain.cleanup()
virtinst_domain = None
def _show_customize_dialog(self, origguest, installer):
orig_vdomain = vmmDomainVirtinst(self.conn,
origguest, origguest.uuid, installer)
def customize_finished_cb(src, vdomain):
if not self.is_visible():
return # pragma: no cover
log.debug("User finished customize dialog, starting install")
self._gdata.failed_guest = None
self._start_install(vdomain.get_backend(), installer)
def config_canceled_cb(src):
log.debug("User closed customize window, closing wizard")
self._close_requested()
# We specifically don't use vmmVMWindow.get_instance here since
# it's not a top level VM window
self._cleanup_customize_window()
self._customize_window = vmmVMWindow(orig_vdomain, self.topwin)
self._customize_window.connect(
"customize-finished", customize_finished_cb)
self._customize_window.connect("closed", config_canceled_cb)
self._customize_window.show()
def _install_finished_cb(self, error, details, guest, parentobj):
self.reset_finish_cursor(parentobj.topwin)
if error:
error = (_("Unable to complete install: '%s'") % error)
parentobj.err.show_err(error, details=details)
self._gdata.failed_guest = guest
return
foundvm = None
for vm in self.conn.list_vms():
if vm.get_uuid() == guest.uuid:
foundvm = vm
break
self._close()
# Launch details dialog for new VM
vmmVMWindow.get_instance(self, foundvm).show()
def _start_install(self, guest, installer):
"""
Launch the async job to start the install
"""
bootstrap_args = {}
# If creating new container and "container bootstrap" is enabled
if (guest.os.is_container() and
self._get_config_oscontainer_bootstrap()):
bootstrap_arg_keys = {
'src': self._get_config_oscontainer_source_url,
'dest': self.widget("install-oscontainer-fs").get_text,
'user': self._get_config_oscontainer_source_username,
'passwd': self._get_config_oscontainer_source_password,
'insecure': self._get_config_oscontainer_isecure,
'root_password': self._get_config_oscontainer_root_password,
}
for key, getter in bootstrap_arg_keys.items():
bootstrap_args[key] = getter()
parentobj = self._customize_window or self
progWin = vmmAsyncJob(self._do_async_install,
[guest, installer, bootstrap_args],
self._install_finished_cb, [guest, parentobj],
_("Creating Virtual Machine"),
_("The virtual machine is now being "
"created. Allocation of disk storage "
"and retrieval of the installation "
"images may take a few minutes to "
"complete."),
parentobj.topwin)
progWin.run()
def _do_async_install(self, asyncjob, guest, installer, bootstrap_args):
"""
Kick off the actual install
"""
meter = asyncjob.get_meter()
if bootstrap_args:
# Start container bootstrap
self._create_directory_tree(asyncjob, meter, bootstrap_args)
if asyncjob.has_error():
# Do not continue if virt-bootstrap failed
return
# Build a list of pools we should refresh, if we are creating storage
refresh_pools = []
for disk in guest.devices.disk:
if not disk.wants_storage_creation():
continue
pool = disk.get_parent_pool()
if not pool:
continue # pragma: no cover
poolname = pool.name()
if poolname not in refresh_pools:
refresh_pools.append(poolname)
log.debug("Starting background install process")
installer.start_install(guest, meter=meter)
log.debug("Install completed")
# Wait for VM to show up
self.conn.schedule_priority_tick(pollvm=True)
count = 0
foundvm = None
while count < 200:
for vm in self.conn.list_vms():
if vm.get_uuid() == guest.uuid:
foundvm = vm
if foundvm:
break
count += 1
time.sleep(.1)
if not foundvm:
raise RuntimeError( # pragma: no cover
_("VM '%s' didn't show up after expected time.") % guest.name)
vm = foundvm
if vm.is_shutoff():
# Domain is already shutdown, but no error was raised.
# Probably means guest had no 'install' phase, as in
# for live cds. Try to restart the domain.
vm.startup() # pragma: no cover
elif installer.has_install_phase():
# Register a status listener, which will restart the
# guest after the install has finished
def cb():
vm.connect_opt_out("state-changed",
self._check_install_status)
return False
self.idle_add(cb)
# Kick off pool updates
for poolname in refresh_pools:
try:
pool = self.conn.get_pool_by_name(poolname)
self.idle_add(pool.refresh)
except Exception: # pragma: no cover
log.debug("Error looking up pool=%s for refresh after "
"VM creation.", poolname, exc_info=True)
def _check_install_status(self, vm):
"""
Watch the domain that we are installing, waiting for the state
to change, so we can restart it as needed
"""
if vm.is_crashed(): # pragma: no cover
log.debug("VM crashed, cancelling install plans.")
return True
if not vm.is_shutoff():
return # pragma: no cover
if vm.get_install_abort():
log.debug("User manually shutdown VM, not restarting "
"guest after install.")
return True
# Hitting this from the test suite is hard because we can't force
# the test driver VM to stop behind virt-manager's back
try: # pragma: no cover
log.debug("Install should be completed, starting VM.")
vm.startup()
except Exception as e: # pragma: no cover
self.err.show_err(_("Error continuing install: %s") % str(e))
return True # pragma: no cover
def _create_directory_tree(self, asyncjob, meter, bootstrap_args):
"""
Call bootstrap method from virtBootstrap and show logger messages
as state/details.
"""
import logging
if self.conn.config.CLITestOptions.fake_virtbootstrap:
from .lib.testmock import fakeVirtBootstrap as virtBootstrap
else: # pragma: no cover
import virtBootstrap # pylint: disable=import-error
meter.start(_("Bootstraping container"), None)
def progress_update_cb(prog):
meter.start(_(prog['status']), None)
asyncjob.details_enable()
# Use logging filter to show messages of the progreess on the GUI
class SetStateFilter(logging.Filter):
def filter(self, record):
asyncjob.details_update("%s\n" % record.getMessage())
return True
# Use string buffer to store log messages
log_stream = io.StringIO()
# Get virt-bootstrap logger
vbLogger = logging.getLogger('virtBootstrap')
vbLogger.setLevel(logging.DEBUG)
# Create handler to store log messages in the string buffer
hdlr = logging.StreamHandler(log_stream)
hdlr.setFormatter(logging.Formatter('%(message)s'))
# Use logging filter to show messages on GUI
hdlr.addFilter(SetStateFilter())
vbLogger.addHandler(hdlr)
# Key word arguments to be passed
kwargs = {'uri': bootstrap_args['src'],
'dest': bootstrap_args['dest'],
'not_secure': bootstrap_args['insecure'],
'progress_cb': progress_update_cb}
if bootstrap_args['user'] and bootstrap_args['passwd']:
kwargs['username'] = bootstrap_args['user']
kwargs['password'] = bootstrap_args['passwd']
if bootstrap_args['root_password']:
kwargs['root_password'] = bootstrap_args['root_password']
log.debug('Start container bootstrap')
try:
virtBootstrap.bootstrap(**kwargs)
# Success - uncheck the 'install-oscontainer-bootstrap' checkbox
def cb():
self.widget("install-oscontainer-bootstrap").set_active(False)
self.idle_add(cb)
except Exception as err:
asyncjob.set_error("virt-bootstrap did not complete successfully",
'%s\n%s' % (err, log_stream.getvalue()))