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#
# Copyright (C) 2008, 2013 Red Hat, Inc.
# Copyright (C) 2008 Cole Robinson <crobinso@redhat.com>
#
# 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
# pylint: disable=E0611
from gi.repository import GObject
from gi.repository import Gtk
from gi.repository import Gdk
# pylint: enable=E0611
from virtManager import uihelpers
from virtManager.baseclass import vmmGObjectUI
from virtManager.asyncjob import vmmAsyncJob
from virtinst import StorageVolume
class vmmCreateVolume(vmmGObjectUI):
__gsignals__ = {
"vol-created": (GObject.SignalFlags.RUN_FIRST, None, []),
}
def __init__(self, conn, parent_pool):
vmmGObjectUI.__init__(self, "createvol.ui", "vmm-create-vol")
self.conn = conn
self.parent_pool = parent_pool
self.name_hint = None
self.vol = None
self.builder.connect_signals({
"on_vmm_create_vol_delete_event" : self.close,
"on_vol_cancel_clicked" : self.close,
"on_vol_create_clicked" : self.finish,
"on_vol_name_changed" : self.vol_name_changed,
"on_vol_allocation_value_changed" : self.vol_allocation_changed,
"on_vol_capacity_value_changed" : self.vol_capacity_changed,
})
self.bind_escape_key_close()
self._init_state()
self.reset_state()
def show(self, parent):
logging.debug("Showing new volume wizard")
self.reset_state()
self.topwin.set_transient_for(parent)
self.topwin.present()
def close(self, ignore1=None, ignore2=None):
logging.debug("Closing new volume wizard")
self.topwin.hide()
self.set_modal(False)
return 1
def _cleanup(self):
self.conn = None
self.parent_pool = None
def set_name_hint(self, hint):
self.name_hint = hint
def set_modal(self, modal):
self.topwin.set_modal(bool(modal))
def set_parent_pool(self, conn, pool):
self.conn = conn
self.parent_pool = pool
def default_vol_name(self):
if not self.name_hint:
return ""
suffix = self.default_suffix()
ret = ""
try:
ret = StorageVolume.find_free_name(self.name_hint,
pool_object=self.parent_pool.get_backend(),
suffix=suffix)
except:
logging.exception("Error finding a default vol name")
return ret
def default_suffix(self):
suffix = ""
if self.vol.file_type == self.vol.TYPE_FILE:
suffix = ".img"
return suffix
def _init_state(self):
blue = Gdk.color_parse("#0072A8")
self.widget("header").modify_bg(Gtk.StateType.NORMAL, blue)
format_list = self.widget("vol-format")
format_model = Gtk.ListStore(str, str)
format_list.set_model(format_model)
text2 = Gtk.CellRendererText()
format_list.pack_start(text2, False)
format_list.add_attribute(text2, 'text', 1)
def _make_stub_vol(self):
self.vol = StorageVolume(self.conn.get_backend())
self.vol.pool = self.parent_pool.get_backend()
def reset_state(self):
self._make_stub_vol()
self.widget("vol-name").set_text("")
self.widget("vol-name").grab_focus()
self.vol_name_changed(self.widget("vol-name"))
self.populate_vol_format()
hasformat = bool(len(self.vol.list_formats()))
uihelpers.set_grid_row_visible(self.widget("vol-format"), hasformat)
if hasformat:
self.widget("vol-format").set_active(0)
default_alloc = 0
default_cap = 8
islogical = (self.parent_pool.get_type() == "logical")
alloc = default_alloc
if islogical:
# Sparse LVM volumes don't auto grow, so alloc=0 is useless
alloc = default_alloc
uihelpers.set_grid_row_visible(self.widget("vol-allocation"),
not islogical)
self.widget("vol-allocation").set_range(0,
int(self.parent_pool.get_available() / 1024 / 1024 / 1024))
self.widget("vol-allocation").set_value(alloc)
self.widget("vol-capacity").set_range(1,
int(self.parent_pool.get_available() / 1024 / 1024 / 1024))
self.widget("vol-capacity").set_value(default_cap)
self.widget("vol-parent-name").set_markup(
"<b>" + self.parent_pool.get_name() + "'s</b>")
self.widget("vol-parent-space").set_text(
self.parent_pool.get_pretty_available())
def get_config_format(self):
format_combo = self.widget("vol-format")
model = format_combo.get_model()
if format_combo.get_active_iter() is not None:
model = format_combo.get_model()
return model.get_value(format_combo.get_active_iter(), 0)
return None
def populate_vol_format(self):
rhel6_file_whitelist = ["raw", "qcow2", "qed"]
model = self.widget("vol-format").get_model()
model.clear()
formats = self.vol.list_formats()
if self.vol.list_create_formats() is not None:
formats = self.vol.list_create_formats()
if (self.vol.file_type == self.vol.TYPE_FILE and
not self.conn.rhel6_defaults_caps()):
newfmts = []
for f in rhel6_file_whitelist:
if f in formats:
newfmts.append(f)
formats = newfmts
for f in formats:
model.append([f, f])
def vol_name_changed(self, src):
text = src.get_text()
suffix = self.default_suffix()
if "." in text:
suffix = ""
self.widget("vol-name-suffix").set_text(suffix)
self.widget("vol-create").set_sensitive(bool(text))
def vol_allocation_changed(self, src):
cap_widget = self.widget("vol-capacity")
alloc = src.get_value()
cap = cap_widget.get_value()
if alloc > cap:
cap_widget.set_value(alloc)
def vol_capacity_changed(self, src):
alloc_widget = self.widget("vol-allocation")
cap = src.get_value()
alloc = self.widget("vol-allocation").get_value()
if cap < alloc:
alloc_widget.set_value(cap)
def _finish_cb(self, error, details):
self.topwin.set_sensitive(True)
self.topwin.get_window().set_cursor(
Gdk.Cursor.new(Gdk.CursorType.TOP_LEFT_ARROW))
if error:
error = _("Error creating vol: %s") % error
self.show_err(error,
details=details)
else:
# vol-created will refresh the parent pool
self.emit("vol-created")
self.close()
def finish(self, src_ignore):
try:
if not self.validate():
return
except Exception, e:
self.show_err(_("Uncaught error validating input: %s") % str(e))
return
logging.debug("Creating volume with xml:\n%s",
self.vol.get_xml_config())
self.topwin.set_sensitive(False)
self.topwin.get_window().set_cursor(
Gdk.Cursor.new(Gdk.CursorType.WATCH))
progWin = vmmAsyncJob(self._async_vol_create, [],
self._finish_cb, [],
_("Creating storage volume..."),
_("Creating the storage volume may take a "
"while..."),
self.topwin)
progWin.run()
def _async_vol_create(self, asyncjob):
conn = self.conn.get_backend()
# Lookup different pool obj
newpool = conn.storagePoolLookupByName(self.parent_pool.get_name())
self.vol.pool = newpool
meter = asyncjob.get_meter()
logging.debug("Starting backround vol creation.")
self.vol.install(meter=meter)
logging.debug("vol creation complete.")
def validate(self):
name = self.widget("vol-name").get_text()
suffix = self.widget("vol-name-suffix").get_text()
volname = name + suffix
fmt = self.get_config_format()
alloc = self.widget("vol-allocation").get_value()
cap = self.widget("vol-capacity").get_value()
if not self.widget("vol-allocation").get_visible():
alloc = cap
try:
self._make_stub_vol()
self.vol.capacity = cap
self.vol.name = volname
self.vol.allocation = (alloc * 1024 * 1024 * 1024)
self.vol.capacity = (cap * 1024 * 1024 * 1024)
if fmt:
self.vol.format = fmt
self.vol.validate()
except ValueError, e:
return self.val_err(_("Volume Parameter Error"), e)
return True
def show_err(self, info, details=None):
self.err.show_err(info, details, modal=self.topwin.get_modal())
def val_err(self, info, details):
modal = self.topwin.get_modal()
ret = False
try:
self.topwin.set_modal(False)
ret = self.err.val_err(info, details, modal=modal)
finally:
self.topwin.set_modal(modal)
return ret
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