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