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virt-manager/virtManager/create.py
Cole Robinson 6677f677da util: move generate_name to generatename.py
2019-06-07 18:16:53 -04:00

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# 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 logging
import pkgutil
import os
import threading
import time
from gi.repository import Gdk
from gi.repository import Gtk
from gi.repository import Pango
import virtinst
import virtinst.generatename
from . import uiutil
from .addstorage import vmmAddStorage
from .asyncjob import vmmAsyncJob
from .baseclass import vmmGObjectUI
from .connmanager import vmmConnectionManager
from .domain import vmmDomainVirtinst
from .engine import vmmEngine
from .mediacombo import vmmMediaCombo
from .netlist import vmmNetworkList
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_PXE,
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 _mark_vmm_device(dev):
setattr(dev, "vmm_create_wizard_device", True)
def _get_vmm_device(guest, devkey):
for dev in getattr(guest.devices, devkey):
if hasattr(dev, "vmm_create_wizard_device"):
return dev
def _remove_vmm_device(guest, devkey):
dev = _get_vmm_device(guest, devkey)
if dev:
guest.remove_device(dev)
def is_virt_bootstrap_installed():
return pkgutil.find_loader('virtBootstrap') is not None
##############
# Main class #
##############
class vmmCreate(vmmGObjectUI):
@classmethod
def show_instance(cls, parentobj, uri=None):
try:
if not cls._instance:
cls._instance = vmmCreate()
cls._instance.show(parentobj and parentobj.topwin or None, uri=uri)
except Exception as e:
if not parentobj:
raise
parentobj.err.show_err(
_("Error launching create dialog: %s") % str(e))
def __init__(self):
vmmGObjectUI.__init__(self, "create.ui", "vmm-create")
self._cleanup_on_app_close()
self.conn = None
self._capsinfo = None
self._guest = None
self._failed_guest = 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_kernel_browse_clicked": self._browse_kernel,
"on_initrd_browse_clicked": self._browse_initrd,
"on_dtb_browse_clicked": self._browse_dtb,
"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):
logging.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():
logging.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._failed_guest = None
self._guest = None
def _cleanup(self):
if self._storage_browser:
self._storage_browser.cleanup()
self._storage_browser = None
if self._netlist:
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._guest = 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("%s: %s" % (_("Error"), error))
return False
def _show_startup_warning(self, error):
self.widget("startup-error-box").show()
self.widget("startup-error").set_markup(
"<span size='small'>%s: %s</span>" % (_("Warning"), error))
def _show_arch_warning(self, error):
self.widget("arch-warning-box").show()
self.widget("arch-warning").set_markup(
"<span size='small'>%s: %s</span>" % (_("Warning"), error))
def _init_state(self):
self.widget("create-pages").set_show_tabs(False)
self.widget("install-method-pages").set_show_tabs(False)
blue = Gdk.Color.parse("#0072A8")[1]
self.widget("header").modify_bg(Gtk.StateType.NORMAL, blue)
# 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()
if urls is None:
return
for url in urls:
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("")
self.widget("kernel").set_text("")
self.widget("initrd").set_text("")
self.widget("dtb").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()
guest = self._build_guest(None)
# Helper state
is_local = not self.conn.is_remote()
is_storage_capable = self.conn.is_storage_capable()
can_storage = (is_local or is_storage_capable)
is_pv = guest.os.is_xenpv()
is_container = self.conn.is_container()
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())
if guest.prefers_uefi():
try:
guest.set_uefi_path(guest.get_uefi_path())
installable_arch = True
logging.debug("UEFI found, setting it as default.")
except Exception as e:
installable_arch = False
logging.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_pxe = self.widget("method-pxe")
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_pxe.set_sensitive(not is_pv and installable_arch)
method_import.set_sensitive(can_storage)
virt_methods = [method_local, method_tree, method_pxe, method_import]
pxe_tt = None
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:
local_tt = _("Connection does not support storage management.")
import_tt = local_tt
if is_pv:
base = _("%s installs not available for paravirt guests.")
pxe_tt = base % "PXE"
local_tt = base % "CDROM/ISO"
if not installable_arch:
msg = (_("Architecture '%s' is not installable") %
guest.os.arch)
tree_tt = msg
local_tt = msg
pxe_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 or
[w for w in virt_methods if w.get_sensitive()]):
return self._show_startup_error(
_("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_pxe.set_tooltip_text(pxe_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)
self.widget("vz-install-box").set_visible(is_vz)
self.widget("virt-install-box").set_visible(
not is_container and not is_vz_container)
show_dtb = ("arm" in guest.os.arch or
"microblaze" in guest.os.arch or
"ppc" in guest.os.arch)
self.widget("kernel-box").set_visible(not installable_arch)
uiutil.set_grid_row_visible(self.widget("dtb"), show_dtb)
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, polliface=True,
pollnodedev=True)
self.widget("install-box").show()
self.widget("create-forward").set_sensitive(True)
self._capsinfo = None
self.conn.invalidate_caps()
self._change_caps()
is_local = not self.conn.is_remote()
if not self._capsinfo.guest.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)
# 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_xen():
has_hvm_guests = False
for g in self.conn.caps.guests:
if g.os_type == "hvm":
has_hvm_guests = True
if not has_hvm_guests:
error = _("Host is not advertising support for full "
"virtualization. Install options may be limited.")
self._show_startup_warning(error)
elif 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.
vb_installed = is_virt_bootstrap_installed()
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 w in oscontainer_widget_conf:
self.widget(w).set_visible(oscontainer_widget_conf[w])
# 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' color='#484848'>%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())
cmax = phys_cpus
if cmax <= 0:
cmax = 1
cpu_label = (_("Up to %(numcpus)d available") %
{'numcpus': int(phys_cpus)})
cpu_label = ("<span size='small' color='#484848'>%s</span>" %
cpu_label)
self.widget("cpus").set_range(1, cmax)
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.connect("changed", self._netdev_changed)
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:
self._populate_conn_state()
except Exception as e:
logging.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
logging.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
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 = []
else:
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)
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
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' color='#484848'>%s</span>"
storagesize = ""
storagepath = ""
disk = _get_vmm_device(self._guest, "disk")
if disk:
if disk.wants_storage_creation():
storagesize = "%s" % _pretty_storage(disk.get_size())
if not path:
path = disk.path
storagepath = (storagetmpl % path)
elif len(self._guest.devices.filesystem):
fs = self._guest.devices.filesystem[0]
storagepath = storagetmpl % fs.source
elif self._guest.os.is_container():
storagepath = _("Host filesystem")
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):
mem = _pretty_memory(int(self._guest.memory))
cpu = str(int(self._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_PXE:
install = _("PXE Install")
elif instmethod == INSTALL_PAGE_IMPORT:
install = _("Import existing OS image")
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(self._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()
self._netdev_changed(None)
################################
# 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-pxe").get_active():
return INSTALL_PAGE_PXE
elif self.widget("method-import").get_active():
return INSTALL_PAGE_IMPORT
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 (self._failed_guest and
self._failed_guest.installer_instance.get_created_disks(
self._failed_guest)):
def _cleanup_disks(asyncjob):
meter = asyncjob.get_meter()
self._failed_guest.installer_instance.cleanup_created_disks(
self._failed_guest, meter)
def _cleanup_disks_finished(error, details):
if error:
logging.debug("Error cleaning up disk images:"
"\nerror=%s\ndetails=%s", error, details)
self.idle_add(self._close)
progWin = vmmAsyncJob(
_cleanup_disks, [],
_cleanup_disks_finished, [],
_("Removing disk images"),
_("Removing disk images we created for this virtual machine."),
self.topwin)
progWin.run()
else:
self._close()
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
# 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)
def _browse_kernel(self, ignore):
self._browse_file("kernel")
def _browse_initrd(self, ignore):
self._browse_file("initrd")
def _browse_dtb(self, ignore):
self._browse_file("dtb")
# 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:
logging.debug("Error generating storage path on name change "
"for name=%s", newname, exc_info=True)
def _netdev_changed(self, ignore):
row = self._netlist.get_network_row()
pxe_install = (self._get_config_install_page() == INSTALL_PAGE_PXE)
ntype = row[0]
connkey = row[6]
expand = (ntype != "network" and ntype != "bridge")
no_network = ntype is None
if (no_network or ntype == virtinst.DeviceInterface.TYPE_USER):
can_pxe = False
elif ntype != virtinst.DeviceInterface.TYPE_VIRTUAL:
can_pxe = True
else:
can_pxe = self.conn.get_net(connkey).can_pxe()
if expand:
self.widget("advanced-expander").set_expanded(True)
self.widget("netdev-warn-box").set_visible(False)
def _show_netdev_warn(msg):
self.widget("advanced-expander").set_expanded(True)
self.widget("netdev-warn-box").set_visible(True)
self.widget("netdev-warn-label").set_markup(
"<small>%s</small>" % msg)
if no_network:
_show_netdev_warn(_("No network selected"))
elif not can_pxe and pxe_install:
_show_netdev_warn(_("Network selection does not support PXE"))
# 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():
if os.geteuid() == 0:
fs_dir = ['/var/lib/libvirt/filesystems/']
else:
fs_dir = [os.environ['HOME'],
'.local/share/libvirt/filesystems/']
fs = fs_dir + [self._generate_default_name(None)]
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 = ("<span color='#59B0E2'>%s</span>" %
_("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)
# PXE installs have nothing to ask for
self.widget("install-method-pages").set_visible(
instpage != INSTALL_PAGE_PXE)
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
if curpage == PAGE_NAME:
self._set_install_page()
next_page = self._get_next_pagenum(curpage)
self.widget("create-forward").grab_focus()
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:
self.err.show_err(_("Error populating summary page: %s") %
str(e))
return
self.widget("create-finish").grab_focus()
self._set_page_num_text(pagenum)
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)
############################
# Page validation routines #
############################
def _build_guest(self, variant):
guest = virtinst.Guest(self.conn.get_backend())
guest.set_capabilities_defaults(self._capsinfo)
# If no machine was selected don't clear recommended machine
machine = self._get_config_machine()
if machine:
guest.os.machine = machine
# Validation catches user manually typing an invalid value
try:
if variant:
guest.set_os_name(variant)
except ValueError as e:
self.err.val_err(_("Error setting OS information."), str(e))
return None
guest.default_graphics_type = self.config.get_graphics_type()
guest.skip_default_sound = not self.config.get_new_vm_sound()
guest.skip_default_usbredir = (
self.config.get_add_spice_usbredir() == "no")
guest.x86_cpu_default = self.config.get_default_cpu_setting()
return guest
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:
self.err.show_err(_("Uncaught error validating install "
"parameters: %s") % str(e))
return
def _validate_intro_page(self):
# We just set this here because it's needed soon after for distro
# detection. But the 'real' self._guest is created in validate_install,
# and it just uses _build_guest, so don't ever add any other guest
# altering here.
self._guest = self._build_guest(None)
if not self._guest:
return False
return True
def _generate_default_name(self, osobj):
force_num = False
if self._guest.os.is_container():
basename = "container"
force_num = True
elif not osobj:
basename = "vm"
force_num = True
else:
basename = osobj.name
if self._guest.os.arch != self.conn.caps.host.cpu.arch:
basename += "-%s" % _pretty_arch(self._guest.os.arch)
force_num = False
return virtinst.generatename.generate_name(basename,
self.conn.get_backend().lookupByName,
start_num=force_num and 1 or 2, force_num=force_num,
sep=not force_num and "-" or "",
collidelist=[vm.get_name() for vm in self.conn.list_vms()])
def _validate_install_page(self):
instmethod = self._get_config_install_page()
installer = None
location = None
extra = None
cdrom = None
install_bootdev = None
is_import = False
init = None
fs = None
template = None
osobj = self._os_list.get_selected_os()
if not self._is_container_install() and not osobj:
return self.err.val_err(_("You must select an OS.") +
"\n\n" + self._os_list.eol_text)
if instmethod == INSTALL_PAGE_ISO:
media = self._get_config_local_media()
if not media:
return self.err.val_err(
_("An install media selection is required."))
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_PXE:
install_bootdev = "network"
elif instmethod == INSTALL_PAGE_IMPORT:
is_import = True
import_path = self._get_config_import_path()
if not import_path:
return self.err.val_err(
_("A storage path to import is required."))
if not virtinst.DeviceDisk.path_definitely_exists(
self.conn.get_backend(),
import_path):
return self.err.val_err(_("The import path must point to "
"an existing storage."))
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()
# 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:
return self.err.val_err(_("Please specify password "
"for accessing source registry"))
# Validate destination path
if os.path.exists(fs):
if not os.path.isdir(fs):
return self.err.val_err(_("Destination path "
"is not directory: %s") % fs)
if not os.access(fs, os.W_OK):
return self.err.val_err(_("No write permissions for "
"directory path: %s") % fs)
if os.listdir(fs) != []:
# Show Yes/No dialog if the destination is not empty
res = 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?"))
if not res:
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."))
# Build the installer and Guest instance
try:
# Overwrite the guest
installer = virtinst.Installer(
self.conn.get_backend(),
location=location, cdrom=cdrom,
install_bootdev=install_bootdev)
variant = osobj and osobj.name or None
self._guest = self._build_guest(variant)
if not self._guest:
return False
except Exception as e:
return self.err.val_err(
_("Error setting installer parameters."), e)
# Validate media location
try:
if extra:
installer.extra_args = [extra]
if init:
self._guest.os.init = init
if fs:
fsdev = virtinst.DeviceFilesystem(self._guest.conn)
fsdev.target = "/"
fsdev.source = fs
self._guest.add_device(fsdev)
if template:
fsdev = virtinst.DeviceFilesystem(self._guest.conn)
fsdev.target = "/"
fsdev.type = "template"
fsdev.source = template
self._guest.add_device(fsdev)
except Exception as e:
return self.err.val_err(
_("Error setting install media location."), e)
# Setting kernel
if instmethod == INSTALL_PAGE_IMPORT:
kernel = self.widget("kernel").get_text() or None
kargs = self.widget("kernel-args").get_text() or None
initrd = self.widget("initrd").get_text() or None
dtb = self.widget("dtb").get_text() or None
if not self.widget("dtb").get_visible():
dtb = None
if not self.widget("kernel").get_visible():
kernel = None
initrd = None
kargs = None
self._guest.os.kernel = kernel
self._guest.os.initrd = initrd
self._guest.os.dtb = dtb
self._guest.os.kernel_args = kargs
try:
name = self._generate_default_name(self._guest.osinfo)
self.widget("create-vm-name").set_text(name)
self._guest.validate_name(self._guest.conn, name)
self._guest.name = name
except Exception as e:
return self.err.val_err(_("Error setting default name."), e)
# 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(self._guest):
self._addstorage.check_path_search(
self, self.conn, path)
res = self._guest.osinfo.get_recommended_resources()
ram = res.get_recommended_ram(self._guest.os.arch)
n_cpus = res.get_recommended_ncpus(self._guest.os.arch)
storage = res.get_recommended_storage(self._guest.os.arch)
logging.debug("Recommended resources for os=%s: "
"ram=%s ncpus=%s storage=%s",
self._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)
# Stash the installer in the _guest instance so we don't need
# to cache both objects individually
self._guest.installer_instance = installer
# 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()
# VCPUS
try:
self._guest.vcpus = int(cpus)
except Exception as e:
return self.err.val_err(_("Error setting CPUs."), e)
# Memory
try:
self._guest.currentMemory = int(mem) * 1024
self._guest.memory = int(mem) * 1024
except Exception as e:
return self.err.val_err(_("Error setting guest memory."), e)
return True
def _get_storage_path(self, vmname, do_log):
failed_disk = None
if self._failed_guest:
failed_disk = _get_vmm_device(self._failed_guest, "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.path
path_already_created = failed_disk.storage_was_created
if do_log:
logging.debug("Reusing failed disk path=%s "
"already_created=%s", path, path_already_created)
else:
path = self._addstorage.get_default_path(vmname)
if do_log:
logging.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._guest.name, do_log=True)
disk = None
storage_enabled = self.widget("enable-storage").get_active()
try:
if storage_enabled:
disk = self._addstorage.build_device(
self._guest.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._guest.installer_instance.livecd = not storage_enabled
_remove_vmm_device(self._guest, "disk")
if not storage_enabled:
return True
disk.storage_was_created = path_already_created
_mark_vmm_device(disk)
self._guest.add_device(disk)
return True
def _validate_final_page(self):
# HV + Arch selection
name = self._get_config_name()
if name != self._guest.name:
try:
self._guest.validate_name(self._guest.conn, name)
self._guest.name = name
except Exception as e:
return self.err.val_err(_("Invalid guest name"), str(e))
if self._is_default_storage():
logging.debug("User changed VM name and using default "
"storage, re-validating with new default storage path.")
# User changed the name and we are using default storage
# which depends on the VM name. Revalidate things
if not self._validate_storage_page():
return False
nettype = self._netlist.get_network_selection()[0]
if nettype is None:
# No network device available
instmethod = self._get_config_install_page()
methname = None
if instmethod == INSTALL_PAGE_PXE:
methname = "PXE"
elif instmethod == INSTALL_PAGE_URL:
methname = "URL"
if methname:
return self.err.val_err(
_("Network device required for %s install.") %
methname)
macaddr = virtinst.DeviceInterface.generate_mac(
self.conn.get_backend())
net = self._netlist.build_device(macaddr)
self._netlist.validate_device(net)
_remove_vmm_device(self._guest, "interface")
if net:
_mark_vmm_device(net)
self._guest.add_device(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
if not is_install_page:
return
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
logging.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.setDaemon(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._guest)
thread_results.set_distro(distro)
except Exception:
logging.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:
distro = None
logging.exception("Error in distro detect timeout")
spin = self.widget("install-detect-os-spinner")
spin.stop()
logging.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
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 False
logging.debug("Starting create finish() sequence")
self._failed_guest = None
guest = self._guest
try:
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.
guest.installer_instance.set_install_defaults(guest)
if not self.widget("summary-customize").get_active():
self._start_install(guest)
return
logging.debug("User requested 'customize', launching dialog")
self._show_customize_dialog(self._guest)
except Exception as e:
self.reset_finish_cursor()
self.err.show_err(_("Error starting installation: ") + 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
self._customize_window = None
window.cleanup()
def _show_customize_dialog(self, origguest):
orig_vdomain = vmmDomainVirtinst(self.conn, origguest, origguest.uuid)
def customize_finished_cb(src, vdomain):
if not self.is_visible():
return
logging.debug("User finished customize dialog, starting install")
self._failed_guest = None
self._start_install(vdomain.get_backend())
def config_canceled_cb(src):
logging.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._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):
"""
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, 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, 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
poolname = pool.name()
if poolname not in refresh_pools:
refresh_pools.append(poolname)
logging.debug("Starting background install process")
guest.installer_instance.start_install(guest, meter=meter)
logging.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(
_("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()
elif guest.installer_instance.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(poolname)
self.idle_add(pool.refresh)
except Exception:
logging.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():
logging.debug("VM crashed, cancelling install plans.")
return True
if not vm.is_shutoff():
return
if vm.get_install_abort():
logging.debug("User manually shutdown VM, not restarting "
"guest after install.")
return True
try:
logging.debug("Install should be completed, starting VM.")
vm.startup()
except Exception as e:
self.err.show_err(_("Error continue install: %s") % str(e))
return True
def _create_directory_tree(self, asyncjob, meter, bootstrap_args):
"""
Call bootstrap method from virtBootstrap and show logger messages
as state/details.
"""
import virtBootstrap
meter.start(text=_("Bootstraping container"), size=100)
def progress_update_cb(prog):
meter.text = _(prog['status'])
meter.update(prog['value'])
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']
logging.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()))
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