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#
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# Copyright (C) 2008, 2013 Red Hat, Inc.
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# 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.
#
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# pylint: disable=E0611
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from gi . repository import Gtk
from gi . repository import Gdk
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# pylint: enable=E0611
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import logging
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from virtManager . baseclass import vmmGObjectUI
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from virtManager . asyncjob import vmmAsyncJob
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from virtManager import uiutil
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from virtinst import StoragePool
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PAGE_NAME = 0
PAGE_FORMAT = 1
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class vmmCreatePool ( vmmGObjectUI ) :
def __init__ ( self , conn ) :
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vmmGObjectUI . __init__ ( self , " createpool.ui " , " vmm-create-pool " )
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self . conn = conn
self . _pool = None
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self . builder . connect_signals ( {
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" on_pool_forward_clicked " : self . forward ,
" on_pool_back_clicked " : self . back ,
" on_pool_cancel_clicked " : self . close ,
" on_vmm_create_pool_delete_event " : self . close ,
" on_pool_finish_clicked " : self . forward ,
" on_pool_pages_change_page " : self . page_changed ,
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" on_pool_source_button_clicked " : self . browse_source_path ,
" on_pool_target_button_clicked " : self . browse_target_path ,
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" on_pool_name_activate " : self . forward ,
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" on_pool_hostname_activate " : self . hostname_changed ,
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" on_pool_iqn_chk_toggled " : self . iqn_toggled ,
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} )
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self . bind_escape_key_close ( )
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self . set_initial_state ( )
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self . set_page ( PAGE_NAME )
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def show ( self , parent ) :
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logging . debug ( " Showing new pool wizard " )
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self . reset_state ( )
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self . topwin . set_transient_for ( parent )
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self . topwin . present ( )
def close ( self , ignore1 = None , ignore2 = None ) :
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logging . debug ( " Closing new pool wizard " )
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self . topwin . hide ( )
return 1
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def _cleanup ( self ) :
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self . conn = None
self . _pool = None
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def set_initial_state ( self ) :
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self . widget ( " pool-pages " ) . set_show_tabs ( False )
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blue = Gdk . Color . parse ( " #0072A8 " ) [ 1 ]
self . widget ( " header " ) . modify_bg ( Gtk . StateType . NORMAL , blue )
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type_list = self . widget ( " pool-type " )
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type_model = Gtk . ListStore ( str , str )
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type_list . set_model ( type_model )
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uiutil . set_combo_text_column ( type_list , 1 )
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format_list = self . widget ( " pool-format " )
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format_model = Gtk . ListStore ( str , str )
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format_list . set_model ( format_model )
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uiutil . set_combo_text_column ( format_list , 1 )
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# Target path combo box entry
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target_list = self . widget ( " pool-target-path " )
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# target_path, Label, pool class instance
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target_model = Gtk . ListStore ( str , str , object )
target_model . set_sort_column_id ( 0 , Gtk . SortType . ASCENDING )
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target_list . set_model ( target_model )
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target_list . set_entry_text_column ( 0 )
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# Source path combo box entry
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source_list = self . widget ( " pool-source-path " )
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# source_path, Label, pool class instance
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source_model = Gtk . ListStore ( str , str , object )
source_model . set_sort_column_id ( 0 , Gtk . SortType . ASCENDING )
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source_list . set_model ( source_model )
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source_list . set_entry_text_column ( 0 )
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self . populate_pool_type ( )
def reset_state ( self ) :
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self . widget ( " pool-pages " ) . set_current_page ( 0 )
self . widget ( " pool-forward " ) . show ( )
self . widget ( " pool-finish " ) . hide ( )
self . widget ( " pool-back " ) . set_sensitive ( False )
self . widget ( " pool-name " ) . set_text ( " " )
self . widget ( " pool-name " ) . grab_focus ( )
self . widget ( " pool-type " ) . set_active ( 0 )
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self . widget ( " pool-target-path " ) . get_child ( ) . set_text ( " " )
self . widget ( " pool-source-path " ) . get_child ( ) . set_text ( " " )
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self . widget ( " pool-hostname " ) . set_text ( " " )
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self . widget ( " pool-iqn-chk " ) . set_active ( False )
self . widget ( " pool-iqn-chk " ) . toggled ( )
self . widget ( " pool-iqn " ) . set_text ( " " )
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self . widget ( " pool-format " ) . set_active ( - 1 )
self . widget ( " pool-build " ) . set_sensitive ( True )
self . widget ( " pool-build " ) . set_active ( False )
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self . widget ( " pool-details-grid " ) . set_visible ( False )
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def hostname_changed ( self , ignore ) :
# If a hostname was entered, try to lookup valid pool sources.
self . populate_pool_sources ( )
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def iqn_toggled ( self , src ) :
self . widget ( " pool-iqn " ) . set_sensitive ( src . get_active ( ) )
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def populate_pool_type ( self ) :
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model = self . widget ( " pool-type " ) . get_model ( )
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model . clear ( )
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types = StoragePool . get_pool_types ( )
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types . sort ( )
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for typ in types :
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model . append ( [ typ , " %s : %s " %
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( typ , StoragePool . get_pool_type_desc ( typ ) ) ] )
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def populate_pool_format ( self , formats ) :
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model = self . widget ( " pool-format " ) . get_model ( )
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model . clear ( )
for f in formats :
model . append ( [ f , f ] )
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def populate_pool_sources ( self ) :
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source_list = self . widget ( " pool-source-path " )
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source_model = source_list . get_model ( )
source_model . clear ( )
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target_list = self . widget ( " pool-target-path " )
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target_model = target_list . get_model ( )
target_model . clear ( )
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use_list = source_list
use_model = source_model
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entry_list = [ ]
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if self . _pool . type == StoragePool . TYPE_SCSI :
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entry_list = self . list_scsi_adapters ( )
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use_list = source_list
use_model = source_model
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elif self . _pool . type == StoragePool . TYPE_LOGICAL :
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pool_list = self . list_pool_sources ( )
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entry_list = [ [ p . target_path , p . target_path , p ]
for p in pool_list ]
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use_list = target_list
use_model = target_model
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elif self . _pool . type == StoragePool . TYPE_DISK :
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entry_list = self . list_disk_devs ( )
use_list = source_list
use_model = source_model
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elif self . _pool . type == StoragePool . TYPE_NETFS :
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host = self . get_config_host ( )
if host :
pool_list = self . list_pool_sources ( host = host )
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entry_list = [ [ p . source_path , p . source_path , p ]
for p in pool_list ]
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use_list = source_list
use_model = source_model
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for e in entry_list :
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use_model . append ( e )
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if entry_list :
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use_list . set_active ( 0 )
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def list_scsi_adapters ( self ) :
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scsi_hosts = self . conn . get_nodedevs ( " scsi_host " )
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host_list = [ dev . host for dev in scsi_hosts ]
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clean_list = [ ]
for h in host_list :
name = " host %s " % h
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tmppool = self . _make_stub_pool ( )
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tmppool . source_path = name
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entry = [ name , name , tmppool ]
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if name not in [ l [ 0 ] for l in clean_list ] :
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clean_list . append ( entry )
return clean_list
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def list_disk_devs ( self ) :
devs = self . conn . get_nodedevs ( " storage " )
devlist = [ ]
for dev in devs :
if dev . drive_type != " disk " or not dev . block :
continue
devlist . append ( dev . block )
devlist . sort ( )
clean_list = [ ]
for dev in devlist :
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tmppool = self . _make_stub_pool ( )
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tmppool . source_path = dev
entry = [ dev , dev , tmppool ]
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if dev not in [ l [ 0 ] for l in clean_list ] :
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clean_list . append ( entry )
return clean_list
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def list_pool_sources ( self , host = None ) :
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pool_type = self . _pool . type
plist = [ ]
try :
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plist = StoragePool . pool_list_from_sources (
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self . conn . get_backend ( ) ,
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pool_type ,
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host = host )
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except Exception :
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logging . exception ( " Pool enumeration failed " )
return plist
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def show_options_by_pool ( self ) :
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def show_row ( base , do_show ) :
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widget = self . widget ( base + " -label " )
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uiutil . set_grid_row_visible ( widget , do_show )
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src = self . _pool . supports_property ( " source_path " )
src_b = src and not self . conn . is_remote ( )
tgt = self . _pool . supports_property ( " target_path " )
tgt_b = tgt and not self . conn . is_remote ( )
host = self . _pool . supports_property ( " host " )
fmt = self . _pool . supports_property ( " formats " )
iqn = self . _pool . supports_property ( " iqn " )
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builddef , buildsens = self . get_build_default ( )
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# Source path broswing is meaningless for net pools
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if self . _pool . type in [ StoragePool . TYPE_NETFS ,
StoragePool . TYPE_ISCSI ,
StoragePool . TYPE_SCSI ] :
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src_b = False
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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 )
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show_row ( " pool-iqn " , iqn )
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self . widget ( " pool-target-path " ) . get_child ( ) . set_text (
self . _pool . target_path )
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self . widget ( " pool-target-button " ) . set_sensitive ( tgt_b )
self . widget ( " pool-source-button " ) . set_sensitive ( src_b )
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self . widget ( " pool-build " ) . set_active ( builddef )
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self . widget ( " pool-format " ) . set_active ( - 1 )
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if fmt :
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self . populate_pool_format ( self . _pool . list_formats ( " formats " ) )
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self . widget ( " pool-format " ) . set_active ( 0 )
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self . populate_pool_sources ( )
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def get_config_type ( self ) :
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typ = self . widget ( " pool-type " )
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if typ . get_active_iter ( ) is not None :
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return typ . get_model ( ) . get_value ( typ . get_active_iter ( ) , 0 )
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return None
def get_config_name ( self ) :
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return self . widget ( " pool-name " ) . get_text ( )
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def get_config_target_path ( self ) :
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src = self . widget ( " pool-target-path " )
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if not src . get_sensitive ( ) :
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return None
# If we provide the user with a drop down
model = src . get_model ( )
selection = src . get_active ( )
if selection != - 1 :
return model [ selection ] [ 1 ]
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return src . get_child ( ) . get_text ( )
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def get_config_source_path ( self ) :
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src = self . widget ( " pool-source-path " )
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if not src . get_sensitive ( ) :
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return None
# If we provide the user with a drop down
model = src . get_model ( )
selection = src . get_active ( )
if selection != - 1 :
return model [ selection ] [ 1 ]
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return src . get_child ( ) . get_text ( ) . strip ( )
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def get_config_host ( self ) :
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host = self . widget ( " pool-hostname " )
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if host . get_sensitive ( ) :
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return host . get_text ( ) . strip ( )
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return None
def get_config_format ( self ) :
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format_combo = self . widget ( " pool-format " )
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model = format_combo . get_model ( )
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if format_combo . get_active_iter ( ) is not None :
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model = format_combo . get_model ( )
return model . get_value ( format_combo . get_active_iter ( ) , 0 )
return None
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def get_config_iqn ( self ) :
iqn = self . widget ( " pool-iqn " )
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if iqn . get_sensitive ( ) and iqn . get_visible ( ) :
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return iqn . get_text ( ) . strip ( )
return None
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def get_build_default ( self ) :
""" Return (default value, whether build option can be changed) """
if not self . _pool :
return ( False , False )
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if self . _pool . type in [ StoragePool . TYPE_DIR ,
StoragePool . TYPE_FS ,
StoragePool . TYPE_NETFS ] :
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# Building for these simply entails creating a directory
return ( True , False )
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elif self . _pool . type in [ StoragePool . TYPE_LOGICAL ,
StoragePool . TYPE_DISK ] :
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# This is a dangerous operation, anything (False, True)
# should be assumed to be one.
return ( False , True )
else :
return ( False , False )
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def browse_source_path ( self , ignore1 = None ) :
source = self . _browse_file ( _ ( " Choose source path " ) ,
startfolder = " /dev " , foldermode = False )
if source :
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self . widget ( " pool-source-path " ) . get_child ( ) . set_text ( source )
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def browse_target_path ( self , ignore1 = None ) :
target = self . _browse_file ( _ ( " Choose target directory " ) ,
startfolder = " /var/lib/libvirt " ,
foldermode = True )
if target :
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self . widget ( " pool-target-path " ) . get_child ( ) . set_text ( target )
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def forward ( self , ignore = None ) :
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notebook = self . widget ( " pool-pages " )
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try :
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if self . validate ( notebook . get_current_page ( ) ) is not True :
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return
if notebook . get_current_page ( ) == PAGE_FORMAT :
self . finish ( )
else :
notebook . next_page ( )
except Exception , e :
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self . err . show_err ( _ ( " Uncaught error validating input: %s " ) % str ( e ) )
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return
def back ( self , ignore = None ) :
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self . widget ( " pool-pages " ) . prev_page ( )
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def _finish_cb ( self , error , details ) :
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self . topwin . set_sensitive ( True )
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self . topwin . get_window ( ) . set_cursor (
Gdk . Cursor . new ( Gdk . CursorType . TOP_LEFT_ARROW ) )
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if error :
error = _ ( " Error creating pool: %s " ) % error
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self . err . show_err ( error ,
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details = details )
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else :
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self . conn . schedule_priority_tick ( pollpool = True )
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self . close ( )
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def finish ( self ) :
self . topwin . set_sensitive ( False )
self . topwin . get_window ( ) . set_cursor (
Gdk . Cursor . new ( Gdk . CursorType . WATCH ) )
build = self . widget ( " pool-build " ) . get_active ( )
progWin = vmmAsyncJob ( self . _async_pool_create , [ build ] ,
self . _finish_cb , [ ] ,
_ ( " Creating storage pool... " ) ,
_ ( " Creating the storage pool may take a "
" while... " ) ,
self . topwin )
progWin . run ( )
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def _async_pool_create ( self , asyncjob , build ) :
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meter = asyncjob . get_meter ( )
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logging . debug ( " Starting backround pool creation. " )
poolobj = self . _pool . install ( create = True , meter = meter , build = build )
poolobj . setAutostart ( True )
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logging . debug ( " Pool creation succeeded " )
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def set_page ( self , page_number ) :
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# Update page number
page_lbl = ( " <span color= ' #59B0E2 ' > %s </span> " %
_ ( " Step %(current_page)d of %(max_page)d " ) %
{ ' current_page ' : page_number + 1 ,
' max_page ' : PAGE_FORMAT + 1 } )
self . widget ( " header-pagenum " ) . set_markup ( page_lbl )
isfirst = ( page_number == PAGE_NAME )
islast = ( page_number == PAGE_FORMAT )
self . widget ( " pool-back " ) . set_sensitive ( not isfirst )
self . widget ( " pool-finish " ) . set_visible ( islast )
self . widget ( " pool-forward " ) . set_visible ( not islast )
self . widget ( islast and " pool-finish " or " pool-forward " ) . grab_focus ( )
self . widget ( " pool-details-grid " ) . set_visible ( islast )
if islast :
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self . show_options_by_pool ( )
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def page_changed ( self , notebook_ignore , page_ignore , page_number ) :
self . set_page ( page_number )
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def get_pool_to_validate ( self ) :
"""
Return a pool instance to use for parameter assignment validation .
For most pools this will be the one we built after step 1 , but for
pools we find via FindPoolSources , this will be different
"""
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source_list = self . widget ( " pool-source-path " )
target_list = self . widget ( " pool-target-path " )
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pool = None
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if source_list . get_active ( ) != - 1 :
pool = source_list . get_model ( ) [ source_list . get_active ( ) ] [ 2 ]
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elif target_list . get_active ( ) != - 1 :
pool = target_list . get_model ( ) [ target_list . get_active ( ) ] [ 2 ]
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return pool
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def _make_stub_pool ( self ) :
pool = StoragePool ( self . conn . get_backend ( ) )
pool . type = self . get_config_type ( )
return pool
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def _validate_page_name ( self , usepool = None ) :
try :
if usepool :
self . _pool = usepool
else :
self . _pool = self . _make_stub_pool ( )
self . _pool . name = self . get_config_name ( )
except ValueError , e :
return self . err . val_err ( _ ( " Pool Parameter Error " ) , e )
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return True
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def _validate_page_format ( 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 ( )
if not self . _validate_page_name ( self . get_pool_to_validate ( ) ) :
return
try :
self . _pool . target_path = target
if host :
self . _pool . host = host
if source :
self . _pool . source_path = source
if fmt :
self . _pool . format = fmt
if iqn :
self . _pool . iqn = iqn
self . _pool . validate ( )
except ValueError , e :
return self . err . val_err ( _ ( " Pool Parameter Error " ) , e )
buildval = self . widget ( " pool-build " ) . get_active ( )
buildsen = ( self . widget ( " pool-build " ) . get_sensitive ( ) and
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self . widget ( " pool-build " ) . get_visible ( ) )
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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
return True
def validate ( self , page ) :
if page == PAGE_NAME :
return self . _validate_page_name ( )
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elif page == PAGE_FORMAT :
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return self . _validate_page_format ( )
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def _browse_file ( self , dialog_name , startfolder = None , foldermode = False ) :
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mode = Gtk . FileChooserAction . OPEN
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if foldermode :
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mode = Gtk . FileChooserAction . SELECT_FOLDER
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return self . err . browse_local ( self . conn , dialog_name ,
dialog_type = mode , start_folder = startfolder )