670 lines
23 KiB
Python
670 lines
23 KiB
Python
# Copyright (C) 2015 Red Hat, Inc.
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#
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# This work is licensed under the GNU GPLv2 or later.
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# See the COPYING file in the top-level directory.
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from gi.repository import Gdk
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from gi.repository import Gtk
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from gi.repository import Pango
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from virtinst import DeviceDisk
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from virtinst import log
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from .lib import uiutil
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from .asyncjob import vmmAsyncJob
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from .baseclass import vmmGObjectUI
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from .createpool import vmmCreatePool
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from .createvol import vmmCreateVolume
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from .object.storagepool import vmmStoragePool
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from .xmleditor import vmmXMLEditor
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EDIT_POOL_IDS = (
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EDIT_POOL_NAME,
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EDIT_POOL_AUTOSTART,
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EDIT_POOL_XML,
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) = list(range(3))
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VOL_NUM_COLUMNS = 7
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(VOL_COLUMN_HANDLE,
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VOL_COLUMN_NAME,
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VOL_COLUMN_CAPACITY,
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VOL_COLUMN_SIZESTR,
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VOL_COLUMN_FORMAT,
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VOL_COLUMN_INUSEBY,
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VOL_COLUMN_SENSITIVE) = range(VOL_NUM_COLUMNS)
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POOL_NUM_COLUMNS = 4
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(POOL_COLUMN_HANDLE,
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POOL_COLUMN_LABEL,
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POOL_COLUMN_ISACTIVE,
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POOL_COLUMN_PERCENT) = range(POOL_NUM_COLUMNS)
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ICON_RUNNING = "state_running"
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ICON_SHUTOFF = "state_shutoff"
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def _get_pool_size_percent(pool):
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cap = pool.get_capacity()
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alloc = pool.get_allocation()
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per = 0
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if cap and alloc is not None:
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per = int(((float(alloc) / float(cap)) * 100))
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return "<span size='small'>%s%%</span>" % int(per)
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class vmmHostStorage(vmmGObjectUI):
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__gsignals__ = {
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"browse-clicked": (vmmGObjectUI.RUN_FIRST, None, []),
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"volume-chosen": (vmmGObjectUI.RUN_FIRST, None, [object]),
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"cancel-clicked": (vmmGObjectUI.RUN_FIRST, None, []),
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}
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def __init__(self, conn, builder, topwin, vol_sensitive_cb=None):
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vmmGObjectUI.__init__(self, "hoststorage.ui",
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None, builder=builder, topwin=topwin)
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self.conn = conn
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# Callback function for setting volume row sensitivity. Used
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# by storage browser to disallow selecting certain volumes
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self._vol_sensitive_cb = vol_sensitive_cb
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# Name hint passed to addvol. Set by storagebrowser
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self._name_hint = None
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self._active_edits = set()
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self._addpool = None
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self._addvol = None
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self._volmenu = None
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self._xmleditor = None
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self.top_box = self.widget("storage-grid")
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self.builder.connect_signals({
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"on_pool_add_clicked": self._pool_add_cb,
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"on_pool_stop_clicked": self._pool_stop_cb,
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"on_pool_start_clicked": self._pool_start_cb,
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"on_pool_delete_clicked": self._pool_delete_cb,
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"on_pool_refresh_clicked": self._pool_refresh_cb,
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"on_pool_apply_clicked": (lambda *x: self._pool_apply()),
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"on_vol_delete_clicked": self._vol_delete_cb,
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"on_vol_list_button_press_event": self._vol_popup_menu_cb,
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"on_vol_list_changed": self._vol_selected_cb,
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"on_vol_add_clicked": self._vol_add_cb,
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"on_browse_cancel_clicked": self._cancel_clicked_cb,
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"on_browse_local_clicked": self._browse_local_clicked_cb,
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"on_choose_volume_clicked": self._choose_volume_clicked_cb,
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"on_vol_list_row_activated": self._vol_list_row_activated_cb,
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"on_pool_name_changed": (lambda *x:
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self._enable_pool_apply(EDIT_POOL_NAME)),
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"on_pool_autostart_toggled": self._pool_autostart_changed_cb,
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})
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self._init_ui()
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self._populate_pools()
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self._refresh_conn_state()
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self.conn.connect("pool-added", self._conn_pools_changed_cb)
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self.conn.connect("pool-removed", self._conn_pools_changed_cb)
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self.conn.connect("state-changed", self._conn_state_changed_cb)
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#######################
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# Standard UI methods #
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#######################
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def _cleanup(self):
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try:
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self.conn.disconnect_by_obj(self)
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except Exception: # pragma: no cover
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pass
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self.conn = None
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if self._addpool:
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self._addpool.cleanup()
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self._addpool = None
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if self._addvol:
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self._addvol.cleanup()
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self._addvol = None
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self._volmenu.destroy()
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self._volmenu = None
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self._xmleditor.cleanup()
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self._xmleditor = None
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def close(self, ignore1=None, ignore2=None):
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if self._addvol:
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self._addvol.close()
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if self._addpool:
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self._addpool.close()
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if self._volmenu:
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self._volmenu.hide()
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###########
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# UI init #
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###########
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def _cap_sort_func_cb(self, model, iter1, iter2, userdata):
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def _cmp(a, b):
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return ((a > b) - (a < b))
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return _cmp(int(model[iter1][VOL_COLUMN_CAPACITY]),
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int(model[iter2][VOL_COLUMN_CAPACITY]))
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def _init_ui(self):
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self.widget("storage-pages").set_show_tabs(False)
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self._xmleditor = vmmXMLEditor(self.builder, self.topwin,
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self.widget("pool-details-align"),
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self.widget("pool-details"))
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self._xmleditor.connect("changed",
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lambda s: self._enable_pool_apply(EDIT_POOL_XML))
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self._xmleditor.connect("xml-requested",
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self._xmleditor_xml_requested_cb)
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self._xmleditor.connect("xml-reset",
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self._xmleditor_xml_reset_cb)
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# These are enabled in storagebrowser.py
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self.widget("browse-local").set_visible(False)
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self.widget("browse-cancel").set_visible(False)
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self.widget("choose-volume").set_visible(False)
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# Volume list popup menu
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self._volmenu = Gtk.Menu()
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volCopyPath = Gtk.MenuItem.new_with_mnemonic(_("Copy Volume Path"))
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volCopyPath.show()
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volCopyPath.connect("activate", self._vol_copy_path_cb)
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self._volmenu.add(volCopyPath)
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# Volume list
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# [obj, name, sizestr, capacity, format, in use by string, sensitive]
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volListModel = Gtk.ListStore(object, str, str, str, str, str, bool)
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self.widget("vol-list").set_model(volListModel)
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volCol = Gtk.TreeViewColumn(_("Volumes"))
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vol_txt1 = Gtk.CellRendererText()
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volCol.pack_start(vol_txt1, True)
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volCol.add_attribute(vol_txt1, 'text', VOL_COLUMN_NAME)
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volCol.add_attribute(vol_txt1, 'sensitive', VOL_COLUMN_SENSITIVE)
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volCol.set_sort_column_id(VOL_COLUMN_NAME)
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self.widget("vol-list").append_column(volCol)
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volSizeCol = Gtk.TreeViewColumn(_("Size"))
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vol_txt2 = Gtk.CellRendererText()
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volSizeCol.pack_start(vol_txt2, False)
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volSizeCol.add_attribute(vol_txt2, 'text', VOL_COLUMN_SIZESTR)
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volSizeCol.add_attribute(vol_txt2, 'sensitive', VOL_COLUMN_SENSITIVE)
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volSizeCol.set_sort_column_id(VOL_COLUMN_CAPACITY)
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self.widget("vol-list").append_column(volSizeCol)
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volListModel.set_sort_func(VOL_COLUMN_CAPACITY, self._cap_sort_func_cb)
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volFormatCol = Gtk.TreeViewColumn(_("Format"))
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vol_txt3 = Gtk.CellRendererText()
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volFormatCol.pack_start(vol_txt3, False)
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volFormatCol.add_attribute(vol_txt3, 'text', VOL_COLUMN_FORMAT)
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volFormatCol.add_attribute(vol_txt3, 'sensitive', VOL_COLUMN_SENSITIVE)
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volFormatCol.set_sort_column_id(VOL_COLUMN_FORMAT)
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self.widget("vol-list").append_column(volFormatCol)
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volUseCol = Gtk.TreeViewColumn(_("Used By"))
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vol_txt4 = Gtk.CellRendererText()
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volUseCol.pack_start(vol_txt4, False)
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volUseCol.add_attribute(vol_txt4, 'text', VOL_COLUMN_INUSEBY)
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volUseCol.add_attribute(vol_txt4, 'sensitive', VOL_COLUMN_SENSITIVE)
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volUseCol.set_sort_column_id(VOL_COLUMN_INUSEBY)
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self.widget("vol-list").append_column(volUseCol)
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volListModel.set_sort_column_id(VOL_COLUMN_NAME,
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Gtk.SortType.ASCENDING)
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# Init pool list
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# [pool object, label, pool.is_active(), percent string]
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pool_list = self.widget("pool-list")
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poolListModel = Gtk.ListStore(object, str, bool, str)
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pool_list.set_model(poolListModel)
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poolCol = Gtk.TreeViewColumn(_("Storage Pools"))
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pool_txt = Gtk.CellRendererText()
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pool_txt.set_property("ellipsize", Pango.EllipsizeMode.END)
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pool_per = Gtk.CellRendererText()
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poolCol.pack_start(pool_per, False)
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poolCol.pack_start(pool_txt, True)
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poolCol.add_attribute(pool_txt, 'markup', POOL_COLUMN_LABEL)
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poolCol.add_attribute(pool_txt, 'sensitive', POOL_COLUMN_ISACTIVE)
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poolCol.add_attribute(pool_per, 'markup', POOL_COLUMN_PERCENT)
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pool_list.append_column(poolCol)
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poolListModel.set_sort_column_id(POOL_COLUMN_LABEL,
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Gtk.SortType.ASCENDING)
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pool_list.get_selection().connect("changed", self._pool_selected_cb)
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pool_list.get_selection().set_select_function(
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(lambda *x: self._confirm_changes()), None)
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###############
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# Public APIs #
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###############
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def refresh_page(self):
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self._populate_vols()
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self.conn.schedule_priority_tick(pollpool=True)
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def set_name_hint(self, val):
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self._name_hint = val
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#################
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# UI populating #
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#################
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def _refresh_conn_state(self):
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conn_active = self.conn.is_active()
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self.widget("pool-add").set_sensitive(conn_active and
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self.conn.support.conn_storage())
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if conn_active and not self.conn.support.conn_storage():
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self._set_error_page( # pragma: no cover
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_("Libvirt connection does not support storage management."))
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if conn_active:
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uiutil.set_list_selection_by_number(self.widget("pool-list"), 0)
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return
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self._populate_pools()
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self._set_error_page(_("Connection not active."))
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def _current_pool(self):
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return uiutil.get_list_selection(self.widget("pool-list"))
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def _current_vol(self):
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pool = self._current_pool()
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if not pool:
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return None # pragma: no cover
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return uiutil.get_list_selection(self.widget("vol-list"))
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def _update_pool_row(self, pool):
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for row in self.widget("pool-list").get_model():
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if row[POOL_COLUMN_HANDLE] != pool:
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continue
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# Update active sensitivity and percent available for passed key
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row[POOL_COLUMN_ISACTIVE] = pool.is_active()
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row[POOL_COLUMN_PERCENT] = _get_pool_size_percent(pool)
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break
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curpool = self._current_pool()
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if curpool == pool:
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self._refresh_current_pool()
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def _populate_pool_state(self, pool):
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auto = pool.get_autostart()
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active = pool.is_active()
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# Set pool details state
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self.widget("pool-details").set_sensitive(True)
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self.widget("pool-name-entry").set_text(pool.get_name())
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self.widget("pool-name-entry").set_editable(not active)
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self.widget("pool-sizes").set_markup(
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_("%(bytesfree)s Free / <i>%(bytesinuse)s In Use</i>") %
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{"bytesfree": pool.get_pretty_available(),
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"bytesinuse": pool.get_pretty_allocation()})
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self.widget("pool-location").set_text(
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pool.get_target_path())
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self.widget("pool-state-icon").set_from_icon_name(
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((active and ICON_RUNNING) or ICON_SHUTOFF),
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Gtk.IconSize.BUTTON)
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self.widget("pool-state").set_text(pool.run_status())
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self.widget("pool-autostart").set_label(_("On Boot"))
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self.widget("pool-autostart").set_active(auto)
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self.widget("vol-list").set_sensitive(active)
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self._populate_vols()
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self.widget("pool-delete").set_sensitive(not active)
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self.widget("pool-stop").set_sensitive(active)
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self.widget("pool-start").set_sensitive(not active)
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self.widget("pool-refresh").set_sensitive(active)
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self.widget("vol-add").set_sensitive(active)
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self.widget("vol-add").set_tooltip_text(_("Create new volume"))
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self.widget("vol-delete").set_sensitive(False)
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if (active and
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not vmmStoragePool.supports_volume_creation(pool.get_type())):
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self.widget("vol-add").set_sensitive(False)
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self.widget("vol-add").set_tooltip_text(
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_("Pool does not support volume creation"))
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self._xmleditor.set_xml_from_libvirtobject(pool)
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def _set_error_page(self, msg):
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self.widget("storage-pages").set_current_page(1)
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self.widget("storage-error-label").set_text(msg)
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self.widget("pool-delete").set_sensitive(False)
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self.widget("pool-stop").set_sensitive(False)
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self.widget("pool-start").set_sensitive(False)
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self._disable_pool_apply()
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def _refresh_current_pool(self):
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pool = self._current_pool()
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if not pool:
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self._set_error_page(_("No storage pool selected."))
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return
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self.widget("storage-pages").set_current_page(0)
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try:
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self._populate_pool_state(pool)
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except Exception as e: # pragma: no cover
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log.exception(e)
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self._set_error_page(_("Error selecting pool: %s") % e)
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self._disable_pool_apply()
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def _populate_pools(self):
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pool_list = self.widget("pool-list")
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curpool = self._current_pool()
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model = pool_list.get_model()
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# Prevent events while the model is modified
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pool_list.set_model(None)
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try:
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pool_list.get_selection().unselect_all()
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model.clear()
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for pool in self.conn.list_pools():
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pool.disconnect_by_obj(self)
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pool.connect("state-changed", self._pool_changed_cb)
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pool.connect("refreshed", self._pool_changed_cb)
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name = pool.get_name()
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typ = vmmStoragePool.pretty_type(pool.get_type())
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label = "%s\n<span size='small'>%s</span>" % (name, typ)
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row = [None] * POOL_NUM_COLUMNS
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row[POOL_COLUMN_HANDLE] = pool
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row[POOL_COLUMN_LABEL] = label
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row[POOL_COLUMN_ISACTIVE] = pool.is_active()
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row[POOL_COLUMN_PERCENT] = _get_pool_size_percent(pool)
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model.append(row)
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finally:
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pool_list.set_model(model)
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uiutil.set_list_selection(pool_list, curpool)
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def _populate_vols(self):
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list_widget = self.widget("vol-list")
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pool = self._current_pool()
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vols = pool and pool.get_volumes() or []
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model = list_widget.get_model()
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list_widget.get_selection().unselect_all()
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model.clear()
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vadj = self.widget("vol-scroll").get_vadjustment()
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vscroll_percent = vadj.get_value() // max(vadj.get_upper(), 1)
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for vol in vols:
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try:
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path = vol.get_target_path()
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name = vol.get_pretty_name(pool.get_type())
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cap = str(vol.get_capacity())
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sizestr = vol.get_pretty_capacity()
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fmt = vol.get_format() or ""
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except Exception: # pragma: no cover
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log.debug("Error getting volume info for '%s', "
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"hiding it", vol, exc_info=True)
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continue
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namestr = None
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try:
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if path:
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names = DeviceDisk.path_in_use_by(vol.conn.get_backend(),
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path)
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namestr = ", ".join(names)
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if not namestr:
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namestr = None
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except Exception: # pragma: no cover
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log.exception("Failed to determine if storage volume in "
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"use.")
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sensitive = True
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if self._vol_sensitive_cb:
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sensitive = self._vol_sensitive_cb(fmt)
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row = [None] * VOL_NUM_COLUMNS
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row[VOL_COLUMN_HANDLE] = vol
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row[VOL_COLUMN_NAME] = name
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row[VOL_COLUMN_SIZESTR] = sizestr
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row[VOL_COLUMN_CAPACITY] = cap
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row[VOL_COLUMN_FORMAT] = fmt
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row[VOL_COLUMN_INUSEBY] = namestr
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row[VOL_COLUMN_SENSITIVE] = sensitive
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model.append(row)
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def _reset_vscroll_position():
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vadj.set_value(vadj.get_upper() * vscroll_percent)
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self.idle_add(_reset_vscroll_position)
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##########################
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# Pool lifecycle actions #
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##########################
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def _pool_stop_cb(self, src):
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pool = self._current_pool()
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if pool is None:
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return # pragma: no cover
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log.debug("Stopping pool '%s'", pool.get_name())
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vmmAsyncJob.simple_async_noshow(pool.stop, [], self,
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_("Error stopping pool '%s'") % pool.get_name())
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def _pool_start_cb(self, src):
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pool = self._current_pool()
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if pool is None:
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return # pragma: no cover
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log.debug("Starting pool '%s'", pool.get_name())
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vmmAsyncJob.simple_async_noshow(pool.start, [], self,
|
|
_("Error starting pool '%s'") % pool.get_name())
|
|
|
|
def _pool_add_cb(self, src):
|
|
log.debug("Launching 'Add Pool' wizard")
|
|
|
|
try:
|
|
if self._addpool is None:
|
|
self._addpool = vmmCreatePool(self.conn)
|
|
self._addpool.show(self.topwin)
|
|
except Exception as e: # pragma: no cover
|
|
self.err.show_err(_("Error launching pool wizard: %s") % str(e))
|
|
|
|
def _pool_delete_cb(self, src):
|
|
pool = self._current_pool()
|
|
if pool is None:
|
|
return # pragma: no cover
|
|
|
|
result = self.err.yes_no(_("Are you sure you want to permanently "
|
|
"delete the pool %s?") % pool.get_name())
|
|
if not result:
|
|
return
|
|
|
|
log.debug("Deleting pool '%s'", pool.get_name())
|
|
vmmAsyncJob.simple_async_noshow(pool.delete, [], self,
|
|
_("Error deleting pool '%s'") % pool.get_name())
|
|
|
|
def _pool_refresh_cb(self, src):
|
|
pool = self._current_pool()
|
|
if pool is None:
|
|
return # pragma: no cover
|
|
|
|
self._confirm_changes()
|
|
|
|
log.debug("Refresh pool '%s'", pool.get_name())
|
|
vmmAsyncJob.simple_async_noshow(pool.refresh, [], self,
|
|
_("Error refreshing pool '%s'") % pool.get_name())
|
|
|
|
|
|
###########################
|
|
# Volume action listeners #
|
|
###########################
|
|
|
|
def _vol_copy_path_cb(self, src):
|
|
vol = self._current_vol()
|
|
if not vol:
|
|
return # pragma: no cover
|
|
|
|
clipboard = Gtk.Clipboard.get(Gdk.SELECTION_CLIPBOARD)
|
|
target_path = vol.get_target_path()
|
|
if target_path:
|
|
clipboard.set_text(target_path, -1)
|
|
|
|
def _vol_add_cb(self, src):
|
|
pool = self._current_pool()
|
|
if pool is None:
|
|
return # pragma: no cover
|
|
|
|
log.debug("Launching 'Add Volume' wizard for pool '%s'",
|
|
pool.get_name())
|
|
try:
|
|
if self._addvol is None:
|
|
self._addvol = vmmCreateVolume(self.conn, pool)
|
|
self._addvol.connect("vol-created", self._vol_created_cb)
|
|
else:
|
|
self._addvol.set_parent_pool(pool)
|
|
self._addvol.set_modal(self.topwin.get_modal())
|
|
self._addvol.set_name_hint(self._name_hint)
|
|
self._addvol.show(self.topwin)
|
|
except Exception as e: # pragma: no cover
|
|
self.err.show_err(_("Error launching volume wizard: %s") % str(e))
|
|
|
|
def _vol_delete_cb(self, src):
|
|
vol = self._current_vol()
|
|
if vol is None:
|
|
return # pragma: no cover
|
|
|
|
pool = self._current_pool()
|
|
result = self.err.yes_no(_("Are you sure you want to permanently "
|
|
"delete the volume %s?") % vol.get_name())
|
|
if not result:
|
|
return
|
|
|
|
def cb():
|
|
vol.delete()
|
|
def idlecb():
|
|
pool.refresh()
|
|
self.idle_add(idlecb)
|
|
|
|
log.debug("Deleting volume '%s'", vol.get_name())
|
|
vmmAsyncJob.simple_async_noshow(cb, [], self,
|
|
_("Error deleting volume '%s'") % vol.get_name())
|
|
|
|
|
|
#############################
|
|
# pool apply/config actions #
|
|
#############################
|
|
|
|
def _pool_apply(self):
|
|
pool = self._current_pool()
|
|
if pool is None:
|
|
return # pragma: no cover
|
|
|
|
log.debug("Applying changes for pool '%s'", pool.get_name())
|
|
try:
|
|
if EDIT_POOL_AUTOSTART in self._active_edits:
|
|
auto = self.widget("pool-autostart").get_active()
|
|
pool.set_autostart(auto)
|
|
|
|
if EDIT_POOL_NAME in self._active_edits:
|
|
pool.define_name(self.widget("pool-name-entry").get_text())
|
|
self.idle_add(self._populate_pools)
|
|
|
|
if EDIT_POOL_XML in self._active_edits:
|
|
pool.define_xml(self._xmleditor.get_xml())
|
|
except Exception as e:
|
|
self.err.show_err(_("Error changing pool settings: %s") % str(e))
|
|
return
|
|
|
|
self._disable_pool_apply()
|
|
|
|
def _enable_pool_apply(self, edittype):
|
|
self._active_edits.add(edittype)
|
|
self.widget("pool-apply").set_sensitive(True)
|
|
self._xmleditor.details_changed = True
|
|
|
|
def _disable_pool_apply(self):
|
|
self._active_edits = set()
|
|
self.widget("pool-apply").set_sensitive(False)
|
|
self._xmleditor.details_changed = False
|
|
|
|
def _confirm_changes(self):
|
|
if (self.is_visible() and
|
|
self._active_edits and
|
|
self.err.confirm_unapplied_changes()):
|
|
self._pool_apply()
|
|
|
|
self._disable_pool_apply()
|
|
return True
|
|
|
|
|
|
#############
|
|
# Listeners #
|
|
#############
|
|
|
|
def _browse_local_clicked_cb(self, src):
|
|
self.emit("browse-clicked")
|
|
|
|
def _choose_volume_clicked_cb(self, src):
|
|
self.emit("volume-chosen", self._current_vol())
|
|
|
|
def _vol_list_row_activated_cb(self, src, treeiter, viewcol):
|
|
self.emit("volume-chosen", self._current_vol())
|
|
|
|
def _vol_created_cb(self, src, pool, vol):
|
|
# The vol list will have already been updated, since this
|
|
# signal arrives only after pool-refreshed. So all we do here is
|
|
# select the vol we just created.
|
|
curpool = self._current_pool()
|
|
if curpool != pool:
|
|
return # pragma: no cover
|
|
uiutil.set_list_selection(self.widget("vol-list"), vol)
|
|
|
|
def _pool_autostart_changed_cb(self, src):
|
|
self._enable_pool_apply(EDIT_POOL_AUTOSTART)
|
|
|
|
def _vol_selected_cb(self, src):
|
|
model, treeiter = src.get_selected()
|
|
self.widget("vol-delete").set_sensitive(bool(treeiter))
|
|
|
|
can_choose = bool(treeiter and model[treeiter][VOL_COLUMN_SENSITIVE])
|
|
self.widget("choose-volume").set_sensitive(can_choose)
|
|
|
|
def _vol_popup_menu_cb(self, src, event):
|
|
if event.button != 3:
|
|
return
|
|
|
|
self._volmenu.popup_at_pointer(event)
|
|
|
|
def _cancel_clicked_cb(self, src):
|
|
self.emit("cancel-clicked")
|
|
|
|
def _pool_changed_cb(self, pool):
|
|
self._update_pool_row(pool)
|
|
|
|
def _conn_state_changed_cb(self, conn):
|
|
self._refresh_conn_state()
|
|
|
|
def _conn_pools_changed_cb(self, src, pool):
|
|
self._populate_pools()
|
|
|
|
def _pool_selected_cb(self, selection):
|
|
self._refresh_current_pool()
|
|
|
|
def _xmleditor_xml_requested_cb(self, src):
|
|
self._refresh_current_pool()
|
|
|
|
def _xmleditor_xml_reset_cb(self, src):
|
|
self._refresh_current_pool()
|