# # Copyright (C) 2008, 2013, 2014, 2015 Red Hat, Inc. # Copyright (C) 2008 Cole Robinson # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, # MA 02110-1301 USA. # import logging import threading import time from gi.repository import GObject from gi.repository import Gtk from gi.repository import Gdk from gi.repository import Pango import virtinst from virtinst import util from . import uiutil from .baseclass import vmmGObjectUI from .asyncjob import vmmAsyncJob from .storagebrowse import vmmStorageBrowser from .details import vmmDetails from .domain import vmmDomainVirtinst from .netlist import vmmNetworkList from .mediacombo import vmmMediaCombo from .addstorage import vmmAddStorage # 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 guest.get_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) ############## # Main class # ############## class vmmCreate(vmmGObjectUI): __gsignals__ = { "action-show-domain": (GObject.SignalFlags.RUN_FIRST, None, [str, str]), "create-opened": (GObject.SignalFlags.RUN_FIRST, None, []), "create-closed": (GObject.SignalFlags.RUN_FIRST, None, []), } def __init__(self, engine): vmmGObjectUI.__init__(self, "create.ui", "vmm-create") self.engine = engine 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._show_all_os_was_selected = False self._customize_window = None self._storage_browser = None self._netlist = None self._mediacombo = 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.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_cdrom_radio_toggled": self._local_media_toggled, "on_install_iso_entry_changed": self._iso_changed, "on_install_iso_entry_activate": self._iso_activated, "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_detect_os_toggled": self._toggle_detect_os, "on_install_os_type_changed": self._change_os_type, "on_install_os_version_changed": self._change_os_version, "on_install_detect_os_box_show": self._os_detect_visibility_changed, "on_install_detect_os_box_hide": self._os_detect_visibility_changed, "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 is_visible(self): return self.topwin.get_visible() def show(self, parent, uri=None): logging.debug("Showing new vm wizard") if not self.is_visible(): self._reset_state(uri) self.topwin.set_transient_for(parent) self.emit("create-opened") self.topwin.present() def _close(self, ignore1=None, ignore2=None): if self.is_visible(): logging.debug("Closing new vm wizard") self.emit("create-closed") self.topwin.hide() self._cleanup_customize_window() if self._storage_browser: self._storage_browser.close() def _cleanup(self): self.conn = None self._capsinfo = None self._guest = None if self._storage_browser: self._storage_browser.cleanup() self._storage_browser = None if self._netlist: self._netlist.cleanup() self._netlist = 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 ########################## # 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( "%s: %s" % (_("Warning"), error)) def _show_arch_warning(self, error): self.widget("arch-warning-box").show() self.widget("arch-warning").set_markup( "%s: %s" % (_("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) # ISO media list iso_list = self.widget("install-iso-combo") iso_model = Gtk.ListStore(str) iso_list.set_model(iso_model) iso_list.set_entry_text_column(0) # Lists for the install urls media_url_list = self.widget("install-url-combo") media_url_model = Gtk.ListStore(str) media_url_list.set_model(media_url_model) media_url_list.set_entry_text_column(0) def sep_func(model, it, combo): ignore = combo return model[it][OS_COL_IS_SEP] def make_os_model(): # [os value, os label, is seperator, is 'show all'] cols = [] cols.insert(OS_COL_ID, str) cols.insert(OS_COL_LABEL, str) cols.insert(OS_COL_IS_SEP, bool) cols.insert(OS_COL_IS_SHOW_ALL, bool) return Gtk.TreeStore(*cols) def make_completion_model(): # [os value, os label] cols = [] cols.insert(OS_COL_ID, str) cols.insert(OS_COL_LABEL, str) return Gtk.ListStore(*cols) # Lists for distro type + variant os_type_list = self.widget("install-os-type") os_type_model = make_os_model() os_type_list.set_model(os_type_model) uiutil.init_combo_text_column(os_type_list, 1) os_type_list.set_row_separator_func(sep_func, os_type_list) os_variant_list = self.widget("install-os-version") os_variant_model = make_os_model() os_variant_list.set_model(os_variant_model) uiutil.init_combo_text_column(os_variant_list, 1) os_variant_list.set_row_separator_func(sep_func, os_variant_list) entry = self.widget("install-os-version-entry") completion = Gtk.EntryCompletion() entry.set_completion(completion) completion.set_text_column(1) completion.set_inline_completion(True) completion.set_model(make_completion_model()) # Archtecture 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) def _reset_state(self, urihint=None): """ Reset all UI state to default values. Conn specific state is populated in _populate_conn_state """ self._failed_guest = None self._guest = None self._show_all_os_was_selected = False 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._toggle_detect_os(self.widget("install-detect-os")) self._populate_os_type_model() self.widget("install-os-type").set_active(0) def _populate_media_model(media_model, urls): media_model.clear() if urls is None: return for url in urls: media_model.append([url]) self.widget("install-iso-entry").set_text("") iso_model = self.widget("install-iso-combo").get_model() _populate_media_model(iso_model, self.config.get_iso_paths()) # 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()) self._set_distro_labels("-", "-") # 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("") # 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._populate_machine() self.widget("arch-warning-box").hide() # 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 = (self._capsinfo.os_type == "xen") is_container = self.conn.is_container() is_vz = self.conn.is_vz() is_vz_container = (is_vz and self._capsinfo.os_type == "exe") can_remote_url = self.conn.get_backend().support_remote_url_install() installable_arch = (self._capsinfo.arch in ["i686", "x86_64", "ppc64", "ppc64le", "s390x"]) if self._capsinfo.arch == "aarch64": try: guest = self.conn.caps.build_virtinst_guest(self._capsinfo) guest.set_uefi_default() installable_arch = True logging.debug("UEFI found for aarch64, setting it as default.") except Exception as e: installable_arch = False logging.debug("Error checking for aarch64 UEFI default", exc_info=True) msg = _("Failed to setup UEFI for AArch64: %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") % self._capsinfo.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 self._capsinfo.arch or "microblaze" in self._capsinfo.arch or "ppc" in self._capsinfo.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() 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) # Install local iso_option = self.widget("install-iso-radio") cdrom_option = self.widget("install-cdrom-radio") if self._mediacombo: self.widget("install-cdrom-align").remove( self._mediacombo.top_box) self._mediacombo.cleanup() self._mediacombo = None self._mediacombo = vmmMediaCombo(self.conn, self.builder, self.topwin, vmmMediaCombo.MEDIA_CDROM) self._mediacombo.combo.connect("changed", self._cdrom_changed) self._mediacombo.reset_state() self.widget("install-cdrom-align").add( self._mediacombo.top_box) # Don't select physical CDROM if no valid media is present cdrom_option.set_active(self._mediacombo.has_media()) iso_option.set_active(not self._mediacombo.has_media()) enable_phys = not self._stable_defaults() cdrom_option.set_sensitive(enable_phys) cdrom_option.set_tooltip_text("" if enable_phys else _("Physical CDROM passthrough not supported with this hypervisor")) # Only allow ISO option for remote VM is_local = not self.conn.is_remote() if not is_local or not enable_phys: iso_option.set_active(True) self._local_media_toggled(cdrom_option) # Memory memory = int(self.conn.host_memory_size()) mem_label = (_("Up to %(maxmem)s available on the host") % {'maxmem': _pretty_memory(memory)}) mem_label = ("%s" % 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 = ("%s" % 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) if self._netlist: self.widget("netdev-ui-align").remove(self._netlist.top_box) self._netlist.cleanup() self._netlist = None 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 _set_conn(self, newconn): self.widget("startup-error-box").hide() self.widget("arch-warning-box").hide() self.conn = newconn if not self.conn: return self._show_startup_error( _("No active connection to install on.")) 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._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() model.clear() machines = self._capsinfo.machines[:] if self._capsinfo.arch in ["i686", "x86_64"]: machines = [] machines.sort() defmachine = None prios = [] recommended_machine = self._capsinfo.get_recommended_machine() 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) 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) else: self.widget("machine").emit("changed") def _populate_conn_list(self, urihint=None): conn_list = self.widget("create-conn") model = conn_list.get_model() model.clear() default = -1 for c in self.engine.conns.values(): connobj = c["conn"] 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 = self.engine.conns[activeuri]["conn"] 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 ############################################# # Helpers for populating OS type/variant UI # ############################################# def _add_os_row(self, model, name="", label="", sep=False, action=False, parent=None): """ Helper for building an os type/version row and adding it to the list model if necessary """ row = [] row.insert(OS_COL_ID, name) row.insert(OS_COL_LABEL, label) row.insert(OS_COL_IS_SEP, sep) row.insert(OS_COL_IS_SHOW_ALL, action) return model.append(parent, row) def _add_completion_row(self, model, name, label): row = [] row.insert(OS_COL_ID, name) row.insert(OS_COL_LABEL, label) model.append(row) def _populate_os_type_model(self): widget = self.widget("install-os-type") model = widget.get_model() model.clear() # Kind of a hack, just show linux + windows by default since # that's all 98% of people care about supported = {"generic", "linux", "windows"} # Move 'generic' to the front of the list types = virtinst.OSDB.list_types() types.remove("generic") types.insert(0, "generic") # Pretty names for OSes. If a new OS is not found here, # its capitalized name is used. oses = { "bsd": _("BSD"), "generic": _("Generic"), "linux": _("Linux"), "macos": _("macOS"), "other": _("Others"), "solaris": _("Solaris"), "windows": _("Windows"), } # When only the "supported" types are requested, # filter them. if not self._show_all_os_was_selected: types = [t for t in types if t in supported] for typename in types: try: typelabel = oses[typename] except KeyError: typelabel = typename.capitalize() self._add_os_row(model, typename, typelabel) if not self._show_all_os_was_selected: self._add_os_row(model, sep=True) self._add_os_row(model, label=_("Show all OS options"), action=True) # Select 'generic' by default widget.set_active(0) def _populate_os_variant_model(self, _type): widget = self.widget("install-os-version") model = widget.get_model() model.clear() completion_model = self.widget("install-os-version-entry").get_completion().get_model() completion_model.clear() preferred = self.config.preferred_distros # All the subgroups for top-level types. Distributions not # belonging to these groups will be shown either in a "Others" # group, or top-level if there are no other groups. groups = { "altlinux": _("ALT Linux"), "centos": _("CentOS"), "debian": _("Debian"), "fedora": _("Fedora"), "freebsd": _("FreeBSD"), "mageia": _("Mageia"), "netbsd": _("NetBSD"), "openbsd": _("OpenBSD"), "opensuse": _("openSUSE"), "rhel": _("Red Hat Enterprise Linux"), "sled": _("SUSE Linux Enterprise Desktop"), "sles": _("SUSE Linux Enterprise Server"), "ubuntu": _("Ubuntu"), } if self._show_all_os_was_selected: # List all the OSes, and determine which OSes have groups, # and which do not. variants = virtinst.OSDB.list_os(typename=_type, sortpref=preferred) all_distros = set([os.distro for os in variants]) distros = [os for os in all_distros if os in groups] distros.sort() other_distros = [os for os in all_distros if os not in groups] parents = dict() if len(distros) > 0: # We have groups for the OSes, so create them. for d in distros: parents[d] = self._add_os_row(model, "", groups[d]) # Create the "Others" group at the end, for the OSes # without a group. if len(other_distros): others_parent = self._add_os_row(model, "", _('Others')) for d in other_distros: parents[d] = others_parent else: # No groups, so assume the top-level will be the parent # all the OSes. for d in other_distros: parents[d] = None for v in variants: self._add_os_row(model, v.name, v.label, parent=parents[v.distro]) self._add_completion_row(completion_model, v.name, v.label) else: # We are showing only the supported systems, so query them, # and add them directly to their type. variants = virtinst.OSDB.list_os(typename=_type, sortpref=preferred, only_supported=True) for v in variants: self._add_os_row(model, v.name, v.label) self._add_completion_row(completion_model, v.name, v.label) # Add the menu entries to show all the OSes self._add_os_row(model, sep=True) self._add_os_row(model, label=_("Show all OS options"), action=True) widget.set_active(0) def _set_distro_labels(self, distro, ver): self.widget("install-os-type-label").set_text(distro) self.widget("install-os-version-label").set_text(ver) def _set_os_id_in_ui(self, os_widget, os_id): """ Helper method to set the os type/version widgets to the passed OS ID value """ model = os_widget.get_model() def find_row(): def cmp_func(model, path, it, user_data): ignore = path if model.get_value(it, OS_COL_ID) == os_id: os_widget.set_active_iter(it) user_data[0] = model.get_value(it, OS_COL_LABEL) return True return False data = [None] model.foreach(cmp_func, data) label = data[0] if not label: os_widget.set_active(0) return label label = None if os_id: label = find_row() if not label and not self._show_all_os_was_selected: # We didn't find the OS in the variant UI, but we are only # showing the reduced OS list. Trigger the _show_all_os option, # and try again. os_widget.set_active(len(model) - 1) label = find_row() return label or _("Unknown") def _set_distro_selection(self, variant): """ Update the UI with the distro that was detected from the detection thread. """ if not self._is_os_detect_active(): # If the user changed the OS detect checkbox inbetween, don't # update the UI return distro_type = None distro_var = None if variant: osclass = virtinst.OSDB.lookup_os(variant) distro_type = osclass.get_typename() distro_var = osclass.name dl = self._set_os_id_in_ui( self.widget("install-os-type"), distro_type) vl = self._set_os_id_in_ui( self.widget("install-os-version"), distro_var) self._set_distro_labels(dl, vl) ############################### # Misc UI populating routines # ############################### def _populate_summary_storage(self, path=None): storagetmpl = "%s" 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.get_devices("filesystem")): fs = self._guest.get_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): distro, version, ignore1, dlabel, vlabel = self._get_config_os_info() 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") osstr = "" have_os = True if self._guest.os.is_container(): osstr = _("Linux") elif not distro: osstr = _("Generic") have_os = False elif not version: osstr = _("Generic") + " " + dlabel have_os = False else: osstr = vlabel self.widget("finish-warn-os").set_visible(not have_os) self.widget("summary-os").set_text(osstr) 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 _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_os_info(self): drow = uiutil.get_list_selected_row(self.widget("install-os-type")) distro = None dlabel = None variant = None entry = self.widget("install-os-version-entry") vlabel = entry.get_text() for row in entry.get_completion().get_model(): if row[OS_COL_LABEL] == vlabel: variant = row[OS_COL_ID] break if not variant: return (None, None, False, None, None) if drow: distro = drow[OS_COL_ID] dlabel = drow[OS_COL_LABEL] return (distro and str(distro), str(variant), True, str(dlabel), str(vlabel)) def _get_config_local_media(self, store_media=False): if self.widget("install-cdrom-radio").get_active(): return self._mediacombo.get_path() else: ret = self.widget("install-iso-entry").get_text() if ret and store_media: self.config.add_iso_path(ret) return ret def _get_config_detectable_media(self): instpage = self._get_config_install_page() media = "" if instpage == INSTALL_PAGE_ISO: media = self._get_config_local_media() elif instpage == INSTALL_PAGE_URL: media = self.widget("install-url-entry").get_text() elif instpage == INSTALL_PAGE_IMPORT: media = self.widget("install-import-entry").get_text() return media 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.get_created_disks()): def _cleanup_disks(asyncjob): meter = asyncjob.get_meter() self._failed_guest.cleanup_created_disks(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 if uri: newconn = self.engine.conns[uri]["conn"] # 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): machine = self._get_config_machine() show_dtb_virtio = (self._capsinfo.arch == "armv7l" and machine in ["vexpress-a9", "vexpress-15"]) uiutil.set_grid_row_visible( self.widget("dtb-warn-virtio"), show_dtb_virtio) 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(self, src): self._detectable_media_widget_changed(src) def _iso_activated(self, src): self._detectable_media_widget_changed(src, checkfocus=False) def _cdrom_changed(self, src): self._detectable_media_widget_changed(src) def _toggle_detect_os(self, src): dodetect = src.get_active() self.widget("install-os-type-label").set_visible(dodetect) self.widget("install-os-version-label").set_visible(dodetect) self.widget("install-os-type").set_visible(not dodetect) self.widget("install-os-version").set_visible(not dodetect) if dodetect: self.widget("install-os-version-entry").set_text("") self._os_already_detected_for_media = False self._start_detect_os_if_needed() def _selected_os_row(self): return uiutil.get_list_selected_row(self.widget("install-os-type")) def _change_os_type(self, box): ignore = box row = self._selected_os_row() if not row: return _type = row[OS_COL_ID] self._populate_os_variant_model(_type) if not row[OS_COL_IS_SHOW_ALL]: return self._show_all_os_was_selected = True self._populate_os_type_model() def _change_os_version(self, box): show_all = uiutil.get_list_selection(box, column=OS_COL_IS_SHOW_ALL, check_entry=False) if not show_all: return # 'show all OS' was clicked # Get previous type to reselect it later type_row = self._selected_os_row() if not type_row: return old_type = type_row[OS_COL_ID] self._show_all_os_was_selected = True self._populate_os_type_model() # Reselect previous type row os_type_list = self.widget("install-os-type") os_type_model = os_type_list.get_model() for idx, row in enumerate(os_type_model): if row[OS_COL_ID] == old_type: os_type_list.set_active(idx) break def _local_media_toggled(self, src): usecdrom = src.get_active() self.widget("install-cdrom-align").set_sensitive(usecdrom) self.widget("install-iso-combo").set_sensitive(not usecdrom) self.widget("install-iso-browse").set_sensitive(not usecdrom) if usecdrom: self._cdrom_changed(self._mediacombo.combo) else: self._iso_changed(self.widget("install-iso-entry")) def _os_detect_visibility_changed(self, src, ignore=None): is_visible = src.get_visible() detect_chkbox = self.widget("install-detect-os") nodetect_label = self.widget("install-nodetect-label") detect_chkbox.set_active(is_visible) detect_chkbox.toggled() if is_visible: nodetect_label.hide() else: nodetect_label.show() 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.widget("install-iso-entry").set_text(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: 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.VirtualNetworkInterface.TYPE_USER): can_pxe = False elif ntype != virtinst.VirtualNetworkInterface.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( "%s" % 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")) ######################## # Misc helper routines # ######################## def _stable_defaults(self): emu = None if self._guest: emu = self._guest.emulator elif self._capsinfo: emu = self._capsinfo.emulator ret = self.conn.stable_defaults(emu) return ret 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 type(cbwidget) is 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_stable_defaults(self._stable_defaults()) 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 = ("%s" % _("Step %(current_page)d of %(max_page)d") % {'current_page': cur, 'max_page': final}) self.widget("header-pagenum").set_markup(page_lbl) def _set_install_page(self): instnotebook = self.widget("install-method-pages") detectbox = self.widget("install-detect-os-box") osbox = self.widget("install-os-distro-box") instpage = self._get_config_install_page() # Setting OS value for a container guest doesn't really matter # at the moment iscontainer = instpage in [INSTALL_PAGE_CONTAINER_APP, INSTALL_PAGE_CONTAINER_OS] osbox.set_visible(iscontainer) enabledetect = (instpage == INSTALL_PAGE_ISO and self.conn and not self.conn.is_remote() or self._get_config_install_page() == INSTALL_PAGE_URL) detectbox.set_visible(enabledetect) if instpage == INSTALL_PAGE_PXE: # Hide the install notebook for pxe, since there isn't anything # to ask for instnotebook.hide() else: instnotebook.show() instnotebook.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_INSTALL: self.widget("install-os-distro-box").set_visible( not self._is_container_install()) # Kick off distro detection when we switch to the install # page, to detect the default selected media self._start_detect_os_if_needed(check_install_page=False) elif 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 = self.conn.caps.build_virtinst_guest(self._capsinfo) # If no machine was selected don't clear recommended machine machine = self._get_config_machine() if machine: guest.os.machine = machine # Generate UUID (makes customize dialog happy) try: guest.uuid = util.randomUUID(guest.conn) except Exception as e: self.err.show_err(_("Error setting UUID: %s") % str(e)) return None # OS distro/variant validation try: if variant: guest.os_variant = variant except ValueError as e: self.err.val_err(_("Error setting OS information."), str(e)) return None if guest.os.is_arm64(): try: guest.set_uefi_default() except: # If this errors we will have already informed the user # on page 1. pass # Set up default devices try: 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( for_cpu=True) guest.add_default_devices() except Exception as e: self.err.show_err(_("Error setting up default devices:") + str(e)) return None 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, distro, variant): force_num = False if self._guest.os.is_container(): basename = "container" force_num = True elif not distro: basename = "vm" force_num = True elif not variant: basename = distro else: basename = variant if self._guest.os.arch != self.conn.caps.host.cpu.arch: basename += "-%s" % _pretty_arch(self._guest.os.arch) force_num = False return util.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 = False is_import = False init = None fs = None template = None distro, variant, valid, ignore1, ignore2 = self._get_config_os_info() if not valid: return self.err.val_err(_("Please specify a valid OS variant.")) if instmethod == INSTALL_PAGE_ISO: instclass = virtinst.DistroInstaller media = self._get_config_local_media() if not media: return self.err.val_err( _("An install media selection is required.")) location = media cdrom = True elif instmethod == INSTALL_PAGE_URL: instclass = virtinst.DistroInstaller 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: instclass = virtinst.PXEInstaller elif instmethod == INSTALL_PAGE_IMPORT: instclass = virtinst.ImportInstaller 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.VirtualDisk.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: instclass = virtinst.ContainerInstaller 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: instclass = virtinst.ContainerInstaller fs = self.widget("install-oscontainer-fs").get_text() if not fs: return self.err.val_err(_("An OS directory path is required.")) elif instmethod == INSTALL_PAGE_VZ_TEMPLATE: instclass = virtinst.ContainerInstaller 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 = instclass(self.conn.get_backend()) self._guest = self._build_guest(variant or distro) if not self._guest: return False self._guest.installer = installer except Exception as e: return self.err.val_err( _("Error setting installer parameters."), e) # Validate media location try: if location is not None: self._guest.installer.location = location if cdrom: self._guest.installer.cdrom = True if extra: self._guest.installer.extraargs = [extra] if init: self._guest.os.init = init if fs: fsdev = virtinst.VirtualFilesystem(self._guest.conn) fsdev.target = "/" fsdev.source = fs self._guest.add_device(fsdev) if template: fsdev = virtinst.VirtualFilesystem(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 require_kernel = ("arm" in self._capsinfo.arch) if require_kernel and not kernel: return self.err.val_err( _("A kernel is required for %s guests.") % self._capsinfo.arch) try: name = self._generate_default_name(distro, variant) self.widget("create-vm-name").set_text(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 if self._guest.installer.scratchdir_required(): path = util.make_scratchdir(self._guest.conn, self._guest.type) elif instmethod == INSTALL_PAGE_ISO: path = self._guest.installer.location else: path = None if path: self._addstorage.check_path_search( self, self.conn, path) res = None osobj = virtinst.OSDB.lookup_os(variant) if osobj: res = osobj.get_recommended_resources(self._guest) logging.debug("Recommended resources for variant=%s: %s", variant, res) # Change the default values suggested to the user. ram_size = DEFAULT_MEM if res and res.get("ram") > 0: ram_size = res["ram"] / (1024 ** 2) self.widget("mem").set_value(ram_size) n_cpus = 1 if res and res.get("n-cpus") > 0: n_cpus = res["n-cpus"] self.widget("cpus").set_value(n_cpus) if res and res.get("storage"): storage_size = int(res["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_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.memory = int(mem) * 1024 self._guest.maxmemory = 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.validate_storage(self._guest.name, path=path) except Exception as e: return self.err.val_err(_("Storage parameter error."), e) if disk is False: return False if self._get_config_install_page() == INSTALL_PAGE_ISO: # CD/ISO install and no disks implies LiveCD self._guest.installer.livecd = not storage_enabled if disk and self._addstorage.validate_disk_object(disk) is False: return False _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.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.VirtualNetworkInterface.generate_mac( self.conn.get_backend()) nic = self._netlist.validate_network(macaddr) if nic is False: return False _remove_vmm_device(self._guest, "interface") if nic: _mark_vmm_device(nic) self._guest.add_device(nic) return True ############################# # Distro detection handling # ############################# def _start_detect_os_if_needed(self, forward_after_finish=False, check_install_page=True): """ 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) media = self._get_config_detectable_media() if self._detect_os_in_progress: return if check_install_page and not is_install_page: return if not media: return if not self._is_os_detect_active(): return if self._os_already_detected_for_media: return self._do_start_detect_os(media, forward_after_finish) return True def _do_start_detect_os(self, media, forward_after_finish): self._detect_os_in_progress = False logging.debug("Starting OS detection thread for media=%s", media) 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=(media, thread_results)) detectThread.setDaemon(True) detectThread.start() self._report_detect_os_progress(0, thread_results, forward_after_finish) def _detect_thread_cb(self, media, thread_results): """ Thread callback that does the actual detection """ try: installer = virtinst.DistroInstaller(self.conn.get_backend()) installer.location = media distro = installer.detect_distro(self._guest) thread_results.set_distro(distro) except: 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: base = _("Detecting") 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 detect_str = base + ("." * ((idx % 3) + 1)) self._set_distro_labels(detect_str, detect_str) self.timeout_add(500, self._report_detect_os_progress, idx + 1, thread_results, forward_after_finish) return distro = thread_results.get_distro() except: distro = None logging.exception("Error in distro detect timeout") 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 self._set_distro_selection(distro) 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") guest = self._guest # Start the install self._failed_guest = None self.set_finish_cursor() if not self.widget("summary-customize").get_active(): self._start_install(guest) return logging.debug("User requested 'customize', launching dialog") try: self._show_customize_dialog(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, guest): virtinst_guest = vmmDomainVirtinst(self.conn, guest, self._guest.uuid) def start_install_wrapper(ignore, guest): if not self.is_visible(): return logging.debug("User finished customize dialog, starting install") self._failed_guest = None guest.update_defaults() self._start_install(guest) def config_canceled(ignore): logging.debug("User closed customize window, closing wizard") self._close_requested() self._cleanup_customize_window() self._customize_window = vmmDetails(virtinst_guest, self.topwin) self._customize_window.connect( "customize-finished", start_install_wrapper, guest) self._customize_window.connect("details-closed", config_canceled) self._customize_window.show() def _install_finished_cb(self, error, details, 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 = self._guest return self._close() # Launch details dialog for new VM self.emit("action-show-domain", self.conn.get_uri(), self._guest.name) def _start_install(self, guest): """ Launch the async job to start the install """ parentobj = self._customize_window or self progWin = vmmAsyncJob(self._do_async_install, [guest], self._install_finished_cb, [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): """ Kick off the actual install """ meter = asyncjob.get_meter() # Build a list of pools we should refresh, if we are creating storage refresh_pools = [] for disk in guest.get_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.start_install(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 < 100: 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.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: 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