virt-manager/virtManager/createpool.py
Cole Robinson 67ef81895e virtManager: Convert to CSS for most color usage
* Add CSS data in config.py and install it
* Strip out all hardcoded colors and use style class annotations
* Fix colors to be more theme appropriate to fix dark theme look

Signed-off-by: Cole Robinson <crobinso@redhat.com>
2020-02-03 07:05:11 -05:00

438 lines
14 KiB
Python

# Copyright (C) 2008, 2013, 2014 Red Hat, Inc.
# Copyright (C) 2008 Cole Robinson <crobinso@redhat.com>
#
# This work is licensed under the GNU GPLv2 or later.
# See the COPYING file in the top-level directory.
import os
from gi.repository import Gtk
from virtinst import log
from virtinst import StoragePool
from .lib import uiutil
from .asyncjob import vmmAsyncJob
from .baseclass import vmmGObjectUI
from .object.storagepool import vmmStoragePool
from .xmleditor import vmmXMLEditor
class vmmCreatePool(vmmGObjectUI):
__gsignals__ = {
"pool-created": (vmmGObjectUI.RUN_FIRST, None, [str]),
}
def __init__(self, conn):
vmmGObjectUI.__init__(self, "createpool.ui", "vmm-create-pool")
self.conn = conn
self._xmleditor = vmmXMLEditor(self.builder, self.topwin,
self.widget("pool-details-align"),
self.widget("pool-details"))
self._xmleditor.connect("xml-requested",
self._xmleditor_xml_requested_cb)
self.builder.connect_signals({
"on_pool_cancel_clicked": self.close,
"on_vmm_create_pool_delete_event": self.close,
"on_pool_finish_clicked": self._finish_clicked_cb,
"on_pool_type_changed": self._pool_type_changed_cb,
"on_pool_source_button_clicked": self._browse_source_cb,
"on_pool_target_button_clicked": self._browse_target_cb,
"on_pool_iqn_chk_toggled": self._iqn_toggled_cb,
})
self.bind_escape_key_close()
self._init_ui()
#######################
# Standard UI methods #
#######################
def show(self, parent):
log.debug("Showing new pool wizard")
self._reset_state()
self.topwin.set_transient_for(parent)
self.topwin.present()
def close(self, ignore1=None, ignore2=None):
log.debug("Closing new pool wizard")
self.topwin.hide()
return 1
def _cleanup(self):
self.conn = None
self._xmleditor.cleanup()
self._xmleditor = None
###########
# UI init #
###########
def _build_pool_type_list(self):
# [pool type, label]
model = Gtk.ListStore(str, str)
type_list = self.widget("pool-type")
type_list.set_model(model)
uiutil.init_combo_text_column(type_list, 1)
for typ in vmmStoragePool.list_types():
desc = vmmStoragePool.pretty_type(typ)
model.append([typ, "%s: %s" % (typ, desc)])
def _init_ui(self):
format_list = self.widget("pool-format")
format_model = Gtk.ListStore(str, str)
format_list.set_model(format_model)
uiutil.init_combo_text_column(format_list, 1)
for f in ["auto"]:
format_model.append([f, f])
combo = self.widget("pool-source-name")
# [name, label]
model = Gtk.ListStore(str, str)
model.set_sort_column_id(0, Gtk.SortType.ASCENDING)
combo.set_model(model)
combo.set_entry_text_column(0)
source_list = self.widget("pool-source-path")
# [source_path, label]
source_model = Gtk.ListStore(str, str)
source_model.set_sort_column_id(0, Gtk.SortType.ASCENDING)
source_list.set_model(source_model)
source_list.set_entry_text_column(0)
self._build_pool_type_list()
def _reset_state(self):
self._xmleditor.reset_state()
defaultname = StoragePool.find_free_name(
self.conn.get_backend(), "pool")
self.widget("pool-name").set_text(defaultname)
self.widget("pool-name").grab_focus()
self.widget("pool-target-path").set_text("")
self.widget("pool-source-path").get_child().set_text("")
self.widget("pool-hostname").set_text("")
self.widget("pool-iqn-chk").set_active(False)
self.widget("pool-iqn-chk").toggled()
self.widget("pool-iqn").set_text("")
self.widget("pool-format").set_active(0)
self.widget("pool-build").set_sensitive(True)
self.widget("pool-build").set_active(False)
uiutil.set_list_selection(self.widget("pool-type"), 0)
self._show_options_by_pool()
#################
# UI populating #
#################
def _populate_pool_sources(self):
pooltype = self._get_config_pool_type()
source_list = self.widget("pool-source-path")
source_list.get_model().clear()
name_list = self.widget("pool-source-name")
name_list.get_model().clear()
if pooltype == StoragePool.TYPE_SCSI:
host_list = self._list_scsi_adapters()
entry_list = [[h, h] for h in host_list]
use_list = source_list
elif pooltype == StoragePool.TYPE_LOGICAL:
vglist = self._list_pool_sources(pooltype)
entry_list = [[v, v] for v in vglist]
use_list = name_list
else:
return
for e in entry_list:
use_list.get_model().append(e)
if entry_list:
use_list.set_active(0)
def _list_scsi_adapters(self):
scsi_hosts = self.conn.filter_nodedevs("scsi_host")
host_list = [dev.xmlobj.host for dev in scsi_hosts]
return ["host%s" % h for h in host_list]
def _list_pool_sources(self, pool_type):
plist = []
try:
plist = StoragePool.pool_list_from_sources(
self.conn.get_backend(), pool_type)
except Exception: # pragma: no cover
log.exception("Pool enumeration failed")
return plist
def _get_build_default(self, pooltype):
""" Return (default value, whether build option can be changed)"""
if pooltype in [StoragePool.TYPE_DIR,
StoragePool.TYPE_FS,
StoragePool.TYPE_NETFS]:
# Building for these simply entails creating a directory
return (True, False)
elif pooltype in [StoragePool.TYPE_DISK]:
# This is a dangerous operation, anything (False, True)
# should be assumed to be one.
return (False, True)
return (False, False)
def _show_options_by_pool(self):
def show_row(base, do_show):
widget = self.widget(base + "-label")
uiutil.set_grid_row_visible(widget, do_show)
pool = self._make_stub_pool()
src = pool.supports_source_path()
src_b = src and not self.conn.is_remote()
tgt = pool.supports_target_path()
tgt_b = tgt and not self.conn.is_remote()
host = pool.supports_hosts()
fmt = pool.supports_format()
iqn = pool.supports_iqn()
builddef, buildsens = self._get_build_default(pool.type)
src_name = pool.supports_source_name()
is_lvm = pool.type == StoragePool.TYPE_LOGICAL
is_scsi = pool.type == StoragePool.TYPE_SCSI
# Source path browsing is meaningless for net pools
if pool.type in [StoragePool.TYPE_NETFS,
StoragePool.TYPE_ISCSI,
StoragePool.TYPE_SCSI,
StoragePool.TYPE_GLUSTER]:
src_b = False
show_row("pool-target", tgt)
show_row("pool-source", src)
show_row("pool-hostname", host)
show_row("pool-format", fmt)
show_row("pool-build", buildsens)
show_row("pool-iqn", iqn)
show_row("pool-source-name", src_name)
self.widget("pool-source-name-label").set_label(
is_lvm and _("Volg_roup Name:") or _("Sou_rce Name:"))
src_label = _("_Source Path:")
if iqn:
src_label = _("_Source IQN:")
elif is_scsi:
src_label = _("_Source Adapter:")
self.widget("pool-source-label").set_text(src_label)
self.widget("pool-source-label").set_use_underline(True)
if tgt:
self.widget("pool-target-path").set_text(
pool.default_target_path() or "")
self.widget("pool-target-button").set_sensitive(tgt_b)
self.widget("pool-source-button").set_sensitive(src_b)
self.widget("pool-build").set_active(builddef)
if src_name:
self.widget("pool-source-name").get_child().set_text(
pool.default_source_name() or "")
self._populate_pool_sources()
################
# UI accessors #
################
def _get_visible_text(self, widget_name, column=None):
widget = self.widget(widget_name)
if not widget.get_sensitive() or not widget.get_visible():
return None
if column is None:
return widget.get_text().strip()
return uiutil.get_list_selection(widget, column=column)
def _get_config_pool_type(self):
return uiutil.get_list_selection(self.widget("pool-type"))
def _get_config_target_path(self):
return self._get_visible_text("pool-target-path")
def _get_config_source_path(self):
return self._get_visible_text("pool-source-path", column=1)
def _get_config_host(self):
return self._get_visible_text("pool-hostname")
def _get_config_source_name(self):
return self._get_visible_text("pool-source-name", column=1)
def _get_config_format(self):
return uiutil.get_list_selection(self.widget("pool-format"))
def _get_config_iqn(self):
return self._get_visible_text("pool-iqn")
###################
# Object building #
###################
def _build_xmlobj_from_xmleditor(self):
xml = self._xmleditor.get_xml()
log.debug("Using XML from xmleditor:\n%s", xml)
return StoragePool(self.conn.get_backend(), parsexml=xml)
def _make_stub_pool(self):
pool = StoragePool(self.conn.get_backend())
pool.type = self._get_config_pool_type()
pool.name = self.widget("pool-name").get_text()
return pool
def _build_xmlobj_from_ui(self):
target = self._get_config_target_path()
host = self._get_config_host()
source = self._get_config_source_path()
fmt = self._get_config_format()
iqn = self._get_config_iqn()
source_name = self._get_config_source_name()
pool = self._make_stub_pool()
pool.target_path = target
if host:
hostobj = pool.hosts.add_new()
hostobj.name = host
if source:
pool.source_path = source
if fmt and pool.supports_format():
pool.format = fmt
if iqn:
pool.iqn = iqn
if source_name:
pool.source_name = source_name
return pool
def _build_xmlobj(self, check_xmleditor):
try:
xmlobj = self._build_xmlobj_from_ui()
if check_xmleditor and self._xmleditor.is_xml_selected():
xmlobj = self._build_xmlobj_from_xmleditor()
return xmlobj
except Exception as e:
self.err.show_err(_("Error building XML: %s") % str(e))
def _validate(self, pool):
pool.validate()
buildval = self.widget("pool-build").get_active()
buildsen = (self.widget("pool-build").get_sensitive() and
self.widget("pool-build").get_visible())
if buildsen and buildval:
ret = self.err.yes_no(_("Building a pool of this type will "
"format the source device. Are you "
"sure you want to 'build' this pool?"))
if not ret:
return ret
##################
# Object install #
##################
def _pool_added_cb(self, src, connkey, created_name):
if connkey == created_name:
self.emit("pool-created", connkey)
def _finish_cb(self, error, details, pool):
self.reset_finish_cursor()
if error:
error = _("Error creating pool: %s") % error
self.err.show_err(error,
details=details)
else:
self.conn.connect_once("pool-added", self._pool_added_cb,
pool.name)
self.conn.schedule_priority_tick(pollpool=True)
self.close()
def _async_pool_create(self, asyncjob, pool, build):
meter = asyncjob.get_meter()
log.debug("Starting background pool creation.")
poolobj = pool.install(create=True, meter=meter, build=build)
poolobj.setAutostart(True)
log.debug("Pool creation succeeded")
def _finish(self):
pool = self._build_xmlobj(check_xmleditor=True)
if not pool:
return
try:
if self._validate(pool) is False:
return
except Exception as e: # pragma: no cover
return self.err.show_err(_("Error validating pool: %s") % e)
self.reset_finish_cursor()
build = self.widget("pool-build").get_active()
progWin = vmmAsyncJob(self._async_pool_create, [pool, build],
self._finish_cb, [pool],
_("Creating storage pool..."),
_("Creating the storage pool may take a "
"while..."),
self.topwin)
progWin.run()
################
# UI listeners #
################
def _xmleditor_xml_requested_cb(self, src):
xmlobj = self._build_xmlobj(check_xmleditor=False)
self._xmleditor.set_xml(xmlobj and xmlobj.get_xml() or "")
def _finish_clicked_cb(self, src):
self._finish()
def _pool_type_changed_cb(self, src):
self._show_options_by_pool()
def _browse_source_cb(self, src):
source = self.err.browse_local(self.conn,
_("Choose source path"),
dialog_type=Gtk.FileChooserAction.OPEN,
start_folder="/dev")
if source:
self.widget("pool-source-path").get_child().set_text(source)
def _browse_target_cb(self, src):
current = self._get_config_target_path()
startfolder = None
if current:
startfolder = os.path.dirname(current)
target = self.err.browse_local(self.conn,
_("Choose target directory"),
dialog_type=Gtk.FileChooserAction.SELECT_FOLDER,
start_folder=startfolder)
if target:
self.widget("pool-target-path").set_text(target)
def _iqn_toggled_cb(self, src):
self.widget("pool-iqn").set_sensitive(src.get_active())