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fsdetails: Rework XML building logic

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Make it work more like gfxdetails. The problem with the current
approach is that it requires effectively rebuilding the whole device
to match the original device when we want to edit a single field,
which is error prone.

Signed-off-by: Cole Robinson <crobinso@redhat.com>
This commit is contained in:
Cole Robinson 2020-11-13 17:04:50 -05:00
parent fca338d2d1
commit 488f153655
6 changed files with 191 additions and 156 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
tests/uitests/test_addhardware.py
View File

@ -507,8 +507,8 @@ def testAddLXCFilesystem(app):
# Add File+nbd share
tab = _select_hw(addhw, "Filesystem", "filesystem-tab")
tab.combo_select("Type:", "File")
tab.combo_select("Driver:", "Nbd")
tab.combo_select("Type:", "file")
tab.combo_select("Driver:", "nbd")
tab.combo_select("Format:", "qcow2")
source = tab.find("Source path:", "text")
@ -539,7 +539,7 @@ def testAddLXCFilesystem(app):
# Add RAM type
_open_addhw(app, details)
tab = _select_hw(addhw, "Filesystem", "filesystem-tab")
tab.combo_select("Type:", "Ram")
tab.combo_select("Type:", "ram")
tab.find("Usage:", "spin button").set_text("12345")
tab.find("Target path:", "text").set_text("/mem")
_finish(addhw, check=details)

30
ui/fsdetails.ui
View File

@ -248,15 +248,21 @@
</packing>
</child>
<child>
<object class="GtkComboBox" id="fs-mode-combo">
<object class="GtkComboBox" id="fs-type-combo">
<property name="visible">True</property>
<property name="can-focus">False</property>
<property name="halign">start</property>
<signal name="changed" handler="on_fs_mode_combo_changed" swapped="no"/>
<property name="has-entry">True</property>
<signal name="changed" handler="on_fs_type_combo_changed" swapped="no"/>
<child internal-child="entry">
<object class="GtkEntry">
<property name="can-focus">False</property>
</object>
</child>
</object>
<packing>
<property name="left-attach">1</property>
<property name="top-attach">3</property>
<property name="top-attach">0</property>
</packing>
</child>
<child>
@ -264,7 +270,13 @@
<property name="visible">True</property>
<property name="can-focus">False</property>
<property name="halign">start</property>
<property name="has-entry">True</property>
<signal name="changed" handler="on_fs_driver_combo_changed" swapped="no"/>
<child internal-child="entry">
<object class="GtkEntry">
<property name="can-focus">False</property>
</object>
</child>
</object>
<packing>
<property name="left-attach">1</property>
@ -272,15 +284,21 @@
</packing>
</child>
<child>
<object class="GtkComboBox" id="fs-type-combo">
<object class="GtkComboBox" id="fs-mode-combo">
<property name="visible">True</property>
<property name="can-focus">False</property>
<property name="halign">start</property>
<signal name="changed" handler="on_fs_type_combo_changed" swapped="no"/>
<property name="has-entry">True</property>
<signal name="changed" handler="on_fs_mode_combo_changed" swapped="no"/>
<child internal-child="entry">
<object class="GtkEntry">
<property name="can-focus">False</property>
</object>
</child>
</object>
<packing>
<property name="left-attach">1</property>
<property name="top-attach">0</property>
<property name="top-attach">3</property>
</packing>
</child>
</object>

2
virtManager/addhardware.py
View File

@ -1538,7 +1538,7 @@ class vmmAddHardware(vmmGObjectUI):
return dev
def _build_filesystem(self):
return self._fsdetails.build_xmlobj()
return self._fsdetails.build_device()
def _build_smartcard(self):
mode = uiutil.get_list_selection(self.widget("smartcard-mode"))

3
virtManager/details/details.py
View File

@ -1645,7 +1645,7 @@ class vmmDetails(vmmGObjectUI):
kwargs = {}
if self._edited(EDIT_FS):
kwargs["newdev"] = self.fsDetails.build_xmlobj()
kwargs["newdev"] = self.fsDetails.update_device(devobj)
return vmmAddHardware.change_config_helper(self.vm.define_filesystem,
kwargs, self.vm, self.err,
@ -2269,7 +2269,6 @@ class vmmDetails(vmmGObjectUI):
def _refresh_filesystem_page(self, dev):
self.fsDetails.set_dev(dev)
self.fsDetails.update_fs_rows()
def _refresh_boot_page(self):
# Refresh autostart

303
virtManager/device/fsdetails.py
View File

@ -14,6 +14,19 @@ from ..baseclass import vmmGObjectUI
from ..storagebrowse import vmmStorageBrowser
_EDIT_FS_ENUM = range(1, 9)
(
_EDIT_FS_TYPE,
_EDIT_FS_DRIVER,
_EDIT_FS_SOURCE,
_EDIT_FS_RAM_SOURCE,
_EDIT_FS_MODE,
_EDIT_FS_READONLY,
_EDIT_FS_TARGET,
_EDIT_FS_FORMAT,
) = _EDIT_FS_ENUM
class vmmFSDetails(vmmGObjectUI):
__gsignals__ = {
"changed": (vmmGObjectUI.RUN_FIRST, None, [])
@ -26,54 +39,54 @@ class vmmFSDetails(vmmGObjectUI):
self.vm = vm
self.conn = vm.conn
self._dev = None
self.storage_browser = None
self._storage_browser = None
self._active_edits = []
def _e(edittype):
def signal_cb(*args):
self._change_cb(edittype)
return signal_cb
self.builder.connect_signals({
"on_fs_type_combo_changed": self.change_field,
"on_fs_driver_combo_changed": self.change_field,
"on_fs_source_browse_clicked": self.browse_fs_source,
"on_fs_mode_combo_changed": self.notify_change,
"on_fs_readonly_toggled": self.notify_change,
"on_fs_format_combo_changed": self.notify_change,
"on_fs_source_changed": self.notify_change,
"on_fs_ram_source_changed": self.notify_change,
"on_fs_target_changed": self.notify_change,
"on_fs_source_browse_clicked": self._browse_fs_source_cb,
"on_fs_type_combo_changed": _e(_EDIT_FS_TYPE),
"on_fs_driver_combo_changed": _e(_EDIT_FS_DRIVER),
"on_fs_mode_combo_changed": _e(_EDIT_FS_MODE),
"on_fs_readonly_toggled": _e(_EDIT_FS_READONLY),
"on_fs_format_combo_changed": _e(_EDIT_FS_FORMAT),
"on_fs_source_changed": _e(_EDIT_FS_SOURCE),
"on_fs_ram_source_changed": _e(_EDIT_FS_RAM_SOURCE),
"on_fs_target_changed": _e(_EDIT_FS_TARGET),
})
self.set_initial_state()
self._init_ui()
self.top_box = self.widget("vmm-fs-details")
def _cleanup(self):
self.vm = None
self.conn = None
self._dev = None
if self.storage_browser:
self.storage_browser.cleanup()
self.storage_browser = None
if self._storage_browser:
self._storage_browser.cleanup()
self._storage_browser = None
##########################
# Initialization methods #
##########################
def set_initial_state(self):
def simple_store_set(comboname, values, sort=True, capitalize=True):
def _init_ui(self):
def simple_store_set(comboname, values):
combo = self.widget(comboname)
# [XML value, label]
model = Gtk.ListStore(str, str)
combo.set_model(model)
uiutil.init_combo_text_column(combo, 1)
if sort:
model.set_sort_column_id(0, Gtk.SortType.ASCENDING)
for xmlval in values:
label = xmlval
if xmlval is None:
label = "Default"
if capitalize:
label = label.capitalize()
label = _("Hypervisor default")
model.append([xmlval, label])
# Filesystem widgets
@ -82,24 +95,72 @@ class vmmFSDetails(vmmGObjectUI):
[DeviceFilesystem.TYPE_MOUNT,
DeviceFilesystem.TYPE_FILE,
DeviceFilesystem.TYPE_BLOCK,
DeviceFilesystem.TYPE_RAM], sort=False)
DeviceFilesystem.TYPE_RAM])
else:
simple_store_set("fs-type-combo", [DeviceFilesystem.TYPE_MOUNT])
simple_store_set("fs-mode-combo", DeviceFilesystem.MODES + [None])
simple_store_set("fs-mode-combo",
[DeviceFilesystem.MODE_MAPPED,
DeviceFilesystem.MODE_SQUASH,
None])
drivers = []
if self.conn.is_lxc() or self.conn.is_test():
drivers += [DeviceFilesystem.DRIVER_LOOP,
DeviceFilesystem.DRIVER_NBD]
simple_store_set("fs-driver-combo", drivers + [None])
simple_store_set("fs-driver-combo",
[DeviceFilesystem.DRIVER_LOOP,
DeviceFilesystem.DRIVER_NBD,
None])
simple_store_set("fs-format-combo", ["raw", "qcow2"], capitalize=False)
simple_store_set("fs-format-combo", ["raw", "qcow2"])
self.widget("fs-readonly").set_visible(
self.conn.is_qemu() or
self.conn.is_test() or
self.conn.is_lxc())
##############
# UI syncing #
##############
def _sync_ui(self):
fstype = uiutil.get_list_selection(self.widget("fs-type-combo"))
fsdriver = uiutil.get_list_selection(self.widget("fs-driver-combo"))
ismount = bool(fstype == DeviceFilesystem.TYPE_MOUNT)
show_mode = bool(ismount)
uiutil.set_grid_row_visible(self.widget("fs-mode-combo"), show_mode)
show_ram_source = fstype == DeviceFilesystem.TYPE_RAM
uiutil.set_grid_row_visible(
self.widget("fs-ram-source-box"), show_ram_source)
uiutil.set_grid_row_visible(
self.widget("fs-source-box"), not show_ram_source)
show_format = bool(
fsdriver == DeviceFilesystem.DRIVER_NBD)
uiutil.set_grid_row_visible(
self.widget("fs-format-combo"), show_format)
show_driver_combo = fstype == DeviceFilesystem.TYPE_FILE
show_mode_combo = (fstype == DeviceFilesystem.TYPE_MOUNT and
(self.conn.is_qemu() or self.conn.is_test()))
if fstype == DeviceFilesystem.TYPE_TEMPLATE:
source_text = _("Te_mplate:")
else:
source_text = _("_Source path:")
self.widget("fs-source-title").set_text(source_text)
self.widget("fs-source-title").set_use_underline(True)
uiutil.set_grid_row_visible(
self.widget("fs-mode-combo"), show_mode_combo)
uiutil.set_grid_row_visible(
self.widget("fs-driver-combo"), show_driver_combo)
##############
# Public API #
##############
def reset_state(self):
self.widget("fs-type-combo").set_active(0)
self.widget("fs-mode-combo").set_active(0)
@ -108,30 +169,11 @@ class vmmFSDetails(vmmGObjectUI):
self.widget("fs-source").set_text("")
self.widget("fs-target").set_text("")
self.widget("fs-readonly").set_active(False)
self._sync_ui()
self._active_edits = []
# Getters
def get_config_fs_mode(self):
return uiutil.get_list_selection(self.widget("fs-mode-combo"),
check_visible=True)
def get_config_fs_type(self):
return uiutil.get_list_selection(self.widget("fs-type-combo"),
check_visible=True)
def get_config_fs_readonly(self):
return self.widget("fs-readonly").get_active()
def get_config_fs_driver(self):
return uiutil.get_list_selection(self.widget("fs-driver-combo"),
check_visible=True)
def get_config_fs_format(self):
return uiutil.get_list_selection(self.widget("fs-format-combo"),
check_visible=True)
# Setters
def set_dev(self, dev):
self._dev = dev
self.reset_state()
uiutil.set_list_selection(
self.widget("fs-type-combo"), dev.type)
@ -149,58 +191,68 @@ class vmmFSDetails(vmmGObjectUI):
self.widget("fs-target").set_text(dev.target or "")
self.widget("fs-readonly").set_active(dev.readonly)
uiutil.set_grid_row_visible(
self.widget("fs-type-combo"), self.conn.is_container_only())
self._active_edits = []
# listeners
def notify_change(self, ignore):
self.emit("changed")
###################
# Device building #
###################
def browse_fs_source(self, ignore1):
self._browse_file(self.widget("fs-source"), isdir=True)
def _set_values(self, dev):
fstype = uiutil.get_list_selection(self.widget("fs-type-combo"))
usage = uiutil.spin_get_helper(self.widget("fs-ram-source-spin"))
def update_fs_rows(self):
fstype = self.get_config_fs_type()
fsdriver = self.get_config_fs_driver()
ismount = bool(
fstype == DeviceFilesystem.TYPE_MOUNT or
self.conn.is_qemu() or self.conn.is_test())
source = self.widget("fs-source").get_text()
target = self.widget("fs-target").get_text()
readonly = self.widget("fs-readonly").get_active()
show_mode = bool(ismount)
uiutil.set_grid_row_visible(self.widget("fs-mode-combo"), show_mode)
fsformat = uiutil.get_list_selection(self.widget("fs-format-combo"))
if not self.widget("fs-format-combo").get_visible():
fsformat = None
show_ram_source = fstype == DeviceFilesystem.TYPE_RAM
uiutil.set_grid_row_visible(
self.widget("fs-ram-source-box"), show_ram_source)
uiutil.set_grid_row_visible(
self.widget("fs-source-box"), not show_ram_source)
mode = uiutil.get_list_selection(self.widget("fs-mode-combo"))
if not self.widget("fs-mode-combo").get_visible():
mode = None
show_format = bool(
fsdriver == DeviceFilesystem.DRIVER_NBD)
uiutil.set_grid_row_visible(
self.widget("fs-format-combo"), show_format)
driver = uiutil.get_list_selection(self.widget("fs-driver-combo"))
if not self.widget("fs-driver-combo").get_visible():
driver = None
show_mode_combo = False
show_driver_combo = False
if fstype == DeviceFilesystem.TYPE_TEMPLATE:
source_text = _("Te_mplate:")
else:
source_text = _("_Source path:")
show_mode_combo = self.conn.is_qemu() or self.conn.is_test()
show_driver_combo = (self.conn.is_lxc() or
self.conn.is_test())
if _EDIT_FS_TYPE in self._active_edits:
dev.type = fstype
if (_EDIT_FS_RAM_SOURCE in self._active_edits or
_EDIT_FS_SOURCE in self._active_edits):
if fstype == DeviceFilesystem.TYPE_RAM:
dev.source = usage
dev.source_units = 'MiB'
else:
dev.source = source
if _EDIT_FS_TARGET in self._active_edits:
dev.target = target
if _EDIT_FS_MODE in self._active_edits:
dev.accessmode = mode
if _EDIT_FS_READONLY in self._active_edits:
dev.readonly = readonly
if _EDIT_FS_DRIVER in self._active_edits:
dev.driver_type = driver
if _EDIT_FS_FORMAT in self._active_edits:
dev.driver_format = fsformat
self.widget("fs-source-title").set_text(source_text)
self.widget("fs-source-title").set_use_underline(True)
uiutil.set_grid_row_visible(
self.widget("fs-mode-combo"), show_mode_combo)
uiutil.set_grid_row_visible(
self.widget("fs-driver-combo"), show_driver_combo)
def build_device(self):
self._active_edits = _EDIT_FS_ENUM[:]
def change_field(self, src):
self.update_fs_rows()
self.notify_change(src)
conn = self.conn.get_backend()
dev = DeviceFilesystem(conn)
self._set_values(dev)
dev.validate_target(dev.target)
dev.validate()
return dev
def update_device(self, dev):
newdev = DeviceFilesystem(dev.conn, parsexml=dev.get_xml())
self._set_values(newdev)
return newdev
####################
@ -216,54 +268,23 @@ class vmmFSDetails(vmmGObjectUI):
self.config.CONFIG_DIR_FS or
self.config.CONFIG_DIR_IMAGE)
if self.storage_browser is None:
self.storage_browser = vmmStorageBrowser(self.conn)
if self._storage_browser is None:
self._storage_browser = vmmStorageBrowser(self.conn)
self.storage_browser.set_finish_cb(set_storage_cb)
self.storage_browser.set_browse_reason(reason)
self.storage_browser.show(self.topwin.get_ancestor(Gtk.Window))
self._storage_browser.set_finish_cb(set_storage_cb)
self._storage_browser.set_browse_reason(reason)
self._storage_browser.show(self.topwin.get_ancestor(Gtk.Window))
###################
# Device building #
###################
#############
# Listeners #
#############
def _build_xmlobj(self):
conn = self.conn.get_backend()
source = self.widget("fs-source").get_text()
target = self.widget("fs-target").get_text()
usage = uiutil.spin_get_helper(self.widget("fs-ram-source-spin"))
mode = self.get_config_fs_mode()
fstype = self.get_config_fs_type()
readonly = self.get_config_fs_readonly()
driver = self.get_config_fs_driver()
fsformat = self.get_config_fs_format()
def _change_cb(self, edittype):
self._sync_ui()
if edittype not in self._active_edits:
self._active_edits.append(edittype)
self.emit("changed")
dev = DeviceFilesystem(conn)
if fstype == DeviceFilesystem.TYPE_RAM:
dev.source = usage
dev.source_units = 'MiB'
else:
dev.source = source
dev.target = target
dev.validate_target(target)
if mode:
dev.accessmode = mode
if fstype:
dev.type = fstype
if readonly:
dev.readonly = readonly
if driver:
dev.driver_type = driver
if driver == DeviceFilesystem.DRIVER_LOOP:
dev.driver_format = "raw"
elif driver == DeviceFilesystem.DRIVER_NBD:
dev.driver_format = fsformat
dev.validate()
return dev
def build_xmlobj(self):
self._dev = self._build_xmlobj()
return self._dev
def _browse_fs_source_cb(self, src):
self._browse_file(self.widget("fs-source"), isdir=True)

3
virtinst/devices/filesystem.py
View File

@ -19,15 +19,12 @@ class DeviceFilesystem(Device):
TYPE_BLOCK = "block"
TYPE_RAM = "ram"
MODE_PASSTHROUGH = "passthrough"
MODE_MAPPED = "mapped"
MODE_SQUASH = "squash"
MODES = [MODE_PASSTHROUGH, MODE_MAPPED, MODE_SQUASH]
DRIVER_LOOP = "loop"
DRIVER_NBD = "nbd"
_type_prop = XMLProperty("./@type")
accessmode = XMLProperty("./@accessmode")
model = XMLProperty("./@model")