# vim: set fileencoding=utf-8 # # Copyright (C) 2012-2014 Red Hat, Inc. # # This copyrighted material is made available to anyone wishing to use, # modify, copy, or redistribute it subject to the terms and conditions of # the GNU General Public License v.2, or (at your option) any later version. # This program is distributed in the hope that it will be useful, but WITHOUT # ANY WARRANTY expressed or implied, including the implied warranties 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., 31 Milk Street #960789 Boston, MA # 02196 USA. Any Red Hat trademarks that are incorporated in the # source code or documentation are not subject to the GNU General Public # License and may only be used or replicated with the express permission of # Red Hat, Inc. # from collections import namedtuple from dasbus.structure import get_fields from pyanaconda.anaconda_loggers import get_module_logger from pyanaconda.core.i18n import C_, CN_, N_, _ from pyanaconda.core.storage import ( DEVICE_TYPES, PROTECTED_FORMAT_TYPES, SIZE_POLICY_AUTO, SIZE_POLICY_MAX, Size, ) from pyanaconda.core.string import lower_ascii from pyanaconda.modules.common.structures.device_factory import ( DeviceFactoryPermissions, DeviceFactoryRequest, ) from pyanaconda.modules.common.structures.storage import DeviceData, DeviceFormatData from pyanaconda.modules.common.structures.validation import ValidationReport from pyanaconda.ui.gui import GUIObject from pyanaconda.ui.gui.helpers import GUIDialogInputCheckHandler from pyanaconda.ui.gui.utils import fancy_set_sensitive, really_hide, really_show from pyanaconda.ui.helpers import InputCheck from pyanaconda.ui.lib.storage import size_from_input log = get_module_logger(__name__) # Default to these units when reading user input when no units given SIZE_UNITS_DEFAULT = "MiB" # If the user enters a smaller size, the UI changes it to this value. MIN_SIZE_ENTRY = Size("1 MiB") # If the user enters a larger size, the UI changes it to this value. MAX_SIZE_ENTRY = Size(2**64 - 1) # If the user enters a larger size, the UI changes it to this value. MAX_SIZE_POLICY_ENTRY = Size(2**63 - 1) NOTEBOOK_LABEL_PAGE = 0 NOTEBOOK_DETAILS_PAGE = 1 NOTEBOOK_LUKS_PAGE = 2 NOTEBOOK_UNEDITABLE_PAGE = 3 NOTEBOOK_INCOMPLETE_PAGE = 4 NEW_CONTAINER_TEXT = N_("Create a new %(container_type)s ...") CONTAINER_TOOLTIP = N_("Create or select %(container_type)s") CONTAINER_DIALOG_TITLE = N_("CONFIGURE %(container_type)s") CONTAINER_DIALOG_TEXT = N_("Please create a name for this %(container_type)s " "and select at least one disk below.") DESIRED_CAPACITY_HINT = N_( "Specify the Desired Capacity in whole or decimal numbers, with an appropriate unit.\n\n" "Spaces separating digit groups are not allowed. Units consist of a decimal or binary " "prefix, and optionally the letter B. Letter case does not matter for units. The default " "unit used when units are left out is MiB.\n\n" "Examples of valid input:\n" "'100 GiB' = 100 gibibytes\n" "'512m' = 512 megabytes\n" "'123456789' = 123 terabytes and a bit less than a half\n" ) DESIRED_CAPACITY_ERROR = DESIRED_CAPACITY_HINT ContainerType = namedtuple("ContainerType", ["name", "label"]) CONTAINER_TYPES = { DEVICE_TYPES.LVM: ContainerType( N_("Volume Group"), CN_("GUI|Custom Partitioning|Configure|Devices", "_Volume Group:")), DEVICE_TYPES.LVM_THINP: ContainerType( N_("Volume Group"), CN_("GUI|Custom Partitioning|Configure|Devices", "_Volume Group:")), DEVICE_TYPES.BTRFS: ContainerType( N_("Volume"), CN_("GUI|Custom Partitioning|Configure|Devices", "_Volume:")) } def generate_request_description(request, original=None): """Generate a description of a device factory request. :param request: a device factory request :param original: an original device factory request or None :return: a string with the description """ attributes = [] original = original or request if not isinstance(request, DeviceFactoryRequest) \ or not isinstance(original, DeviceFactoryRequest): raise ValueError("Not instances of DeviceFactoryRequest") for name, field in get_fields(request).items(): new_value = field.get_data(request) old_value = field.get_data(original) if new_value == old_value: attribute = "{} = {}".format( name, repr(new_value) ) else: attribute = "{} = {} -> {}".format( name, repr(old_value), repr(new_value) ) attributes.append(attribute) return "\n".join(["{"] + attributes + ["}"]) def get_size_from_entry(entry, lower_bound=MIN_SIZE_ENTRY, upper_bound=MAX_SIZE_ENTRY, units=SIZE_UNITS_DEFAULT): """ Get a Size object from an entry field. :param entry: an entry field with a specified size :param lower_bound: lower bound for size returned, :type lower_bound: :class:`blivet.size.Size` or NoneType :param upper_bound: upper bound for size returned, :type upper_bound: :class:`blivet.size.Size` or NoneType :param units: units to use if none obtained from entry :type units: str or NoneType :returns: a Size object corresponding to the text in the entry field :rtype: :class:`blivet.size.Size` or NoneType Units default to bytes if no units specified in entry or units. Rounds up to lower_bound, if value in entry field corresponds to a smaller value. The default for lower_bound is None, yielding no rounding. """ size_text = entry.get_text().strip() size = size_from_input(size_text, units=units) if size is None: return None if lower_bound is not None and size < lower_bound: return lower_bound if upper_bound is not None and size > upper_bound: return upper_bound return size def get_selected_raid_level(raid_level_combo): """Interpret the selection of a RAID level combo box. :return str: the selected raid level, an empty string if none selected """ if not raid_level_combo.get_property("visible"): # the combo is hidden when raid level isn't applicable return "" itr = raid_level_combo.get_active_iter() store = raid_level_combo.get_model() if not itr: return "" selected_level = store[itr][1] return selected_level def get_default_raid_level(device_type): """Returns the default RAID level for this device type. :param int device_type: an int representing the device_type :return str: the default RAID level for this device type or an empty string """ if device_type == DEVICE_TYPES.MD: return "raid1" return "" def get_supported_device_raid_levels(device_tree, device_type): """Get RAID levels supported for the given device type. It supports any RAID levels that it expects to support and that blivet supports for the given device type. Since anaconda only ever allows the user to choose RAID levels for device type DEVICE_TYPES.MD, hiding the RAID menu for all other device types, the function only returns a non-empty set for this device type. If this changes, then so should this function, but at this time it is not clear what RAID levels should be offered for other device types. :param device_tree: a proxy of a device tree :param int device_type: one of an enumeration of device types :return: a set of supported raid levels :rtype: a set of strings """ if device_type == DEVICE_TYPES.MD: supported = {"raid0", "raid1", "raid4", "raid5", "raid6", "raid10"} levels = set(device_tree.GetSupportedRaidLevels(DEVICE_TYPES.MD)) return levels.intersection(supported) return set() def get_supported_container_raid_levels(device_tree, device_type): """The raid levels anaconda supports for a container for this device_type. For LVM, anaconda supports LVM on RAID, but also allows no RAID. :param device_tree: a proxy of a device tree :param int device_type: one of an enumeration of device types :return: a set of supported raid levels :rtype: a set of strings """ if device_type in (DEVICE_TYPES.LVM, DEVICE_TYPES.LVM_THINP): supported = {"raid0", "raid1", "raid4", "raid5", "raid6", "raid10"} levels = set(device_tree.GetSupportedRaidLevels(DEVICE_TYPES.MD)) return levels.intersection(supported).union({""}) if device_type == DEVICE_TYPES.BTRFS: supported = {"raid0", "raid1", "raid10", "single"} levels = set(device_tree.GetSupportedRaidLevels(DEVICE_TYPES.BTRFS)) return levels.intersection(supported) return set() def get_container_type(device_type): return CONTAINER_TYPES.get(device_type, ContainerType(N_("container"), CN_( "GUI|Custom Partitioning|Configure|Devices", "container"))) class AddDialog(GUIObject): builderObjects = ["addDialog", "mountPointStore", "mountPointCompletion", "mountPointEntryBuffer"] mainWidgetName = "addDialog" uiFile = "spokes/lib/custom_storage_helpers.glade" def __init__(self, data, device_tree): super().__init__(data) self._device_tree = device_tree self._size = Size(0) self._mount_point = "" self._error = "" self._warning_label = self.builder.get_object("mountPointWarningLabel") self._size_entry = self.builder.get_object("addSizeEntry") self._size_entry.set_tooltip_text(_(DESIRED_CAPACITY_HINT)) self._populate_mount_points() @property def mount_point(self): """The requested mount point.""" return self._mount_point @property def size(self): """The requested size.""" return self._size def _populate_mount_points(self): mount_points = self._device_tree.CollectUnusedMountPoints() mount_point_store = self.builder.get_object("mountPointStore") for path in mount_points: mount_point_store.append([path]) entry = self.builder.get_object("addMountPointEntry") entry.set_model(mount_point_store) completion = self.builder.get_object("mountPointCompletion") completion.set_text_column(0) completion.set_popup_completion(True) def on_add_confirm_clicked(self, button, *args): self._error = "" self._set_mount_point() self._set_size() self._warning_label.set_text(self._error) self.window.show_all() if not self._error: self.window.destroy() def _set_mount_point(self): self._mount_point = self.builder.get_object("addMountPointEntry").get_active_text() if lower_ascii(self._mount_point) in ("swap", "biosboot", "prepboot"): return report = ValidationReport.from_structure( self._device_tree.ValidateMountPoint(self._mount_point) ) self._error = " ".join(report.get_messages()) def _set_size(self): self._size = get_size_from_entry(self._size_entry) or Size(0) def refresh(self): super().refresh() self._warning_label.set_text("") def run(self): while True: self._error = "" rc = self.window.run() if not self._error: return rc class ConfirmDeleteDialog(GUIObject): builderObjects = ["confirmDeleteDialog"] mainWidgetName = "confirmDeleteDialog" uiFile = "spokes/lib/custom_storage_helpers.glade" def __init__(self, data, device_tree, root_name, device_id, is_multiselection): super().__init__(data) self._device_tree = device_tree self._root_name = root_name self._device_id = device_id self._is_multiselection = is_multiselection # 设置对话框标题 - Set dialog title self.window.set_title(_("Confirm delete operation")) self._label = self.builder.get_object("confirmLabel") self._label.set_text(self._get_label_text()) self._optional_checkbox = self.builder.get_object("optionalCheckbox") self._optional_checkbox.set_label(self._get_checkbox_text()) if not self._optional_checkbox.get_label(): self._optional_checkbox.hide() @property def option_checked(self): return self._optional_checkbox.get_active() def on_delete_confirm_clicked(self, button, *args): self.window.destroy() def _get_checkbox_text(self): root_name = self._root_name if root_name and "_" in root_name: root_name = root_name.replace("_", "__") if self._is_multiselection: return C_( "GUI|Custom Partitioning|Confirm Delete Dialog", "Do _not show this dialog for other selected file systems." ) if root_name: return C_( "GUI|Custom Partitioning|Confirm Delete Dialog", "Delete _all file systems which are only used by {}." ).format(root_name) return None def _get_label_text(self): """生成确认删除对话框的标签文本""" # 生成确认删除对话框的标签文本 device_data = DeviceData.from_structure( self._device_tree.GetDeviceData(self._device_id) ) format_data = DeviceFormatData.from_structure( self._device_tree.GetFormatData(self._device_id) ) device_name = device_data.name mount_point = format_data.attrs.get("mount-point", "") if mount_point: device_name = "{} ({})".format(mount_point, device_data.name) # 确保设备名称格式正确 - Ensure device name is properly formatted if not device_name: device_name = device_data.name if format_data.type in PROTECTED_FORMAT_TYPES: # 系统启动分区的确认信息 - Confirmation message for system boot partition message = _( "{} may be a system boot partition! Deleting it may break " "other operating systems. Are you sure you want to delete it?" ).format(device_name) return message if device_data.type == "btrfs" and device_data.children: # Btrfs文件系统包含子卷的确认信息 - Confirmation message for Btrfs with subvolumes message = _( "Are you sure you want to delete all of the data on {}, including subvolumes?" ).format(device_name) return message if device_data.type == "lvmthinlv" and device_data.children: # LVM精简逻辑卷包含快照的确认信息 - Confirmation message for LVM thin LV with snapshots message = _( "Are you sure you want to delete all of the data on {}, including snapshots?" ).format(device_name) return message # 默认删除确认信息 - Default delete confirmation message message = _("Are you sure you want to delete all of the data on {}?").format(device_data.name) return message def run(self): return self.window.run() class DisksDialog(GUIObject): builderObjects = ["disks_dialog", "disk_store", "disk_view"] mainWidgetName = "disks_dialog" uiFile = "spokes/lib/custom_storage_helpers.glade" def __init__(self, data, device_tree, disks, selected_disks, is_md): super().__init__(data) self._device_tree = device_tree self._selected_disks = selected_disks self._disks = disks self.is_md = is_md self.instruction_label = self.builder.get_object("disk_selection_label") self._store = self.builder.get_object("disk_store") self._view = self.builder.get_object("disk_view") self._populate_disks() self._select_disks() self._view.set_tooltip_column(0) self._set_instruction_label() @property def selected_disks(self): """Selected disks.""" return self._selected_disks def _set_instruction_label(self): if self.is_md: self.instruction_label.set_text(_("Select all of the drives you would like the " "mount point to be created on.")) else: self.instruction_label.set_text(_("Select a drive for the mount point to be created on. " "If you select multiple, only 1 drive will be used.")) def _populate_disks(self): for disk_id in self._disks: device_data = DeviceData.from_structure( self._device_tree.GetDeviceData(disk_id) ) device_free_space = self._device_tree.GetDiskFreeSpace( [disk_id] ) self._store.append([ "{} ({})".format( device_data.description, device_data.attrs.get("serial", "") ), str(Size(device_data.size)), str(Size(device_free_space)), device_data.name, device_data.device_id ]) def _select_disks(self): model = self._view.get_model() itr = model.get_iter_first() selection = self._view.get_selection() while itr: device_id = model.get_value(itr, 4) if device_id in self._selected_disks: selection.select_iter(itr) itr = model.iter_next(itr) def on_cancel_clicked(self, button): self.window.destroy() def on_select_clicked(self, button): treeview = self.builder.get_object("disk_view") model, paths = treeview.get_selection().get_selected_rows() self._selected_disks = [] for path in paths: itr = model.get_iter(path) device_id = model.get_value(itr, 4) self._selected_disks.append(device_id) self.window.destroy() def run(self): return self.window.run() class ContainerDialog(GUIObject, GUIDialogInputCheckHandler): builderObjects = ["container_dialog", "disk_store", "container_disk_view", "containerRaidStoreFiltered", "containerRaidLevelLabel", "containerRaidLevelCombo", "raidLevelStore", "containerSizeCombo", "containerSizeEntry", "containerSizeLabel", "containerEncryptedCheckbox"] mainWidgetName = "container_dialog" uiFile = "spokes/lib/custom_storage_helpers.glade" def __init__(self, data, device_tree, request: DeviceFactoryRequest, permissions: DeviceFactoryPermissions, disks, names): GUIObject.__init__(self, data) self._device_tree = device_tree self._disks = disks self._request = request self._permissions = permissions self._original_name = request.container_name self._container_names = names self._error = "" self._title_label = self.builder.get_object("container_dialog_title_label") self._dialog_label = self.builder.get_object("container_dialog_label") self._error_label = self.builder.get_object("containerErrorLabel") self._name_entry = self.builder.get_object("container_name_entry") self._encryptCheckbutton = self.builder.get_object("containerEncryptedCheckbox") self._raidStoreFilter = self.builder.get_object("containerRaidStoreFiltered") self._store = self.builder.get_object("disk_store") self._treeview = self.builder.get_object("container_disk_view") self._sizeCombo = self.builder.get_object("containerSizeCombo") self._sizeEntry = self.builder.get_object("containerSizeEntry") self._raidLevelCombo = self.builder.get_object("containerRaidLevelCombo") self._raidLevelLabel = self.builder.get_object("containerRaidLevelLabel") self._save_button = self.builder.get_object("container_save_button") GUIDialogInputCheckHandler.__init__(self, self._save_button) self._supported_raid_levels = get_supported_container_raid_levels( self._device_tree, self._request.device_type ) self._set_labels() self._populate_disks() self._select_disks() self._populate_raid() self._set_name() self._set_size() self._set_encryption() def _set_labels(self): container_type = get_container_type(self._request.device_type) title_text = _(CONTAINER_DIALOG_TITLE) % { "container_type": _(container_type.name).upper() } self._title_label.set_text(title_text) dialog_text = _(CONTAINER_DIALOG_TEXT) % { "container_type": _(container_type.name).lower() } self._dialog_label.set_text(dialog_text) def _populate_disks(self): for disk_id in self._disks: device_data = DeviceData.from_structure( self._device_tree.GetDeviceData(disk_id) ) device_free_space = self._device_tree.GetDiskFreeSpace( [disk_id] ) self._store.append([ "{} ({})".format( device_data.description, device_data.attrs.get("serial", "") ), str(Size(device_data.size)), str(Size(device_free_space)), device_data.name, device_data.device_id ]) def _select_disks(self): model = self._treeview.get_model() itr = model.get_iter_first() selection = self._treeview.get_selection() while itr: device_id = model.get_value(itr, 4) if device_id in self._request.disks: selection.select_iter(itr) itr = model.iter_next(itr) if not self._permissions.can_modify_container(): self._treeview.set_sensitive(False) def _populate_raid(self): """Set up the raid-specific portion of the device details. Hide the RAID level menu if this device type does not support RAID. Choose a default RAID level. """ self._raidStoreFilter.set_visible_func(self._raid_level_visible) self._raidStoreFilter.refilter() if not self._supported_raid_levels: for widget in [self._raidLevelLabel, self._raidLevelCombo]: really_hide(widget) return raid_level = self._request.container_raid_level for (i, row) in enumerate(self._raidLevelCombo.get_model()): if row[1] == raid_level: self._raidLevelCombo.set_active(i) break for widget in [self._raidLevelLabel, self._raidLevelCombo]: really_show(widget) fancy_set_sensitive(self._raidLevelCombo, self._permissions.container_raid_level) def _raid_level_visible(self, model, itr, user_data): raid_level = model[itr][1] return raid_level in self._supported_raid_levels def _set_name(self): self._name_entry.set_text(self._request.container_name) self.add_check(self._name_entry, self._check_name_entry) if not self._permissions.container_name: fancy_set_sensitive(self._name_entry, False) def _check_name_entry(self, inputcheck): container_name = self.get_input(inputcheck.input_obj).strip() if container_name == self._original_name: return InputCheck.CHECK_OK if container_name in self._container_names: return _("Name is already in use.") report = ValidationReport.from_structure( self._device_tree.ValidateContainerName(container_name) ) if not report.is_valid(): return " ".join(report.get_messages()) return InputCheck.CHECK_OK def _set_size(self): if self._request.container_size_policy == SIZE_POLICY_AUTO: self._sizeCombo.set_active(0) self._sizeEntry.set_text("") elif self._request.container_size_policy == SIZE_POLICY_MAX: self._sizeCombo.set_active(1) self._sizeEntry.set_text("") else: self._sizeCombo.set_active(2) size = Size(self._request.container_size_policy) self._sizeEntry.set_text(size.human_readable(max_places=2)) if not self._permissions.container_size_policy: fancy_set_sensitive(self._sizeCombo, False) self._sizeEntry.set_sensitive(False) def _set_encryption(self): self._encryptCheckbutton.set_active(self._request.container_encrypted) if not self._permissions.container_encrypted: fancy_set_sensitive(self._encryptCheckbutton, False) def run(self): while True: self._error = "" rc = self.window.run() if rc == 1: # Save clicked and input validation passed, try saving it if self.on_ok_clicked(): self._save_clicked() # If that failed, try again if self._error: continue else: break # Save clicked with invalid input, try again else: continue else: # Cancel or something similar, just exit break self.window.destroy() return rc def _save_clicked(self): if not self._permissions.can_modify_container(): return if not self._validate_disks(): return if not self._validate_raid_level(): return self._request.disks = self._get_disks() self._request.container_name = self._name_entry.get_text().strip() self._request.container_encrypted = self._encryptCheckbutton.get_active() self._request.container_size_policy = self._get_size_policy() self._request.container_raid_level = get_selected_raid_level(self._raidLevelCombo) self._error_label.set_text("") def _validate_disks(self): if not self._get_disks(): self._error = _("No disks selected.") self._error_label.set_text(self._error) self.window.show_all() return False return True def _validate_raid_level(self): raid_level = get_selected_raid_level(self._raidLevelCombo) self._error = "" if raid_level: paths = self._treeview.get_selection().get_selected_rows()[1] report = ValidationReport.from_structure( self._device_tree.ValidateRaidLevel(raid_level, len(paths)) ) if not report.is_valid(): self._error = " ".join(report.get_messages()) self._error_label.set_text(self._error) self.window.show_all() return False return True def _get_disks(self): model, paths = self._treeview.get_selection().get_selected_rows() disks = [] for path in paths: itr = model.get_iter(path) device_id = model.get_value(itr, 4) disks.append(device_id) return disks def _get_size_policy(self): idx = self._sizeCombo.get_active() if idx == 0: return SIZE_POLICY_AUTO if idx == 1: return SIZE_POLICY_MAX original_size = Size(self._request.container_size_policy) original_entry = original_size.human_readable(max_places=2) if self._sizeEntry.get_text() == original_entry: return self._request.container_size_policy size = get_size_from_entry(self._sizeEntry, upper_bound=MAX_SIZE_POLICY_ENTRY) if size is None: return SIZE_POLICY_MAX return size.get_bytes() def on_size_changed(self, combo): active_index = combo.get_active() if active_index == 0: self._sizeEntry.set_sensitive(False) elif active_index == 1: self._sizeEntry.set_sensitive(False) else: self._sizeEntry.set_sensitive(True)