556 lines
19 KiB
Python
556 lines
19 KiB
Python
#
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# 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 program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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# MA 02110-1301 USA.
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#
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import logging
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from gi.repository import Gdk
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from gi.repository import GObject
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from gi.repository import Gtk
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from virtinst import StoragePool
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from .baseclass import vmmGObjectUI
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from .asyncjob import vmmAsyncJob
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from . import uiutil
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PAGE_NAME = 0
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PAGE_FORMAT = 1
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class vmmCreatePool(vmmGObjectUI):
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__gsignals__ = {
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"pool-created": (GObject.SignalFlags.RUN_FIRST, None, [str]),
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}
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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._pool = None
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self.builder.connect_signals({
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"on_pool_forward_clicked": self.forward,
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"on_pool_back_clicked": self.back,
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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.forward,
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"on_pool_pages_change_page": self.page_changed,
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"on_pool_source_button_clicked": self.browse_source_path,
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"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()
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def close(self, ignore1=None, ignore2=None):
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logging.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._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]
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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.init_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.init_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)
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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)
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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.populate_pool_type()
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def reset_state(self):
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self.widget("pool-pages").set_current_page(0)
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self.widget("pool-forward").show()
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self.widget("pool-finish").hide()
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self.widget("pool-back").set_sensitive(False)
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self.widget("pool-name").set_text("")
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self.widget("pool-name").grab_focus()
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self.widget("pool-type").set_active(0)
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self.widget("pool-target-path").get_child().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(-1)
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self.widget("pool-build").set_sensitive(True)
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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):
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# If a hostname was entered, try to lookup valid pool sources.
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self.populate_pool_sources()
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def iqn_toggled(self, src):
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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()
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for f in formats:
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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()
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source_model.clear()
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target_list = self.widget("pool-target-path")
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target_model = target_list.get_model()
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target_model.clear()
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use_list = source_list
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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
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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]
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for p in pool_list]
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use_list = target_list
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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()
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use_list = source_list
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use_model = source_model
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elif self._pool.type == StoragePool.TYPE_NETFS:
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host = self.get_config_host()
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if host:
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pool_list = self.list_pool_sources(host=host)
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entry_list = [[p.source_path, p.source_path, p]
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for p in pool_list]
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use_list = source_list
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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.filter_nodedevs("scsi_host")
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host_list = [dev.xmlobj.host for dev in scsi_hosts]
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clean_list = []
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for h in host_list:
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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)
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return clean_list
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def list_disk_devs(self):
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devs = self.conn.filter_nodedevs("storage")
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devlist = []
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for dev in devs:
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if dev.xmlobj.drive_type != "disk" or not dev.xmlobj.block:
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continue
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devlist.append(dev.xmlobj.block)
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devlist.sort()
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clean_list = []
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for dev in devlist:
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tmppool = self._make_stub_pool()
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tmppool.source_path = dev
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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)
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return clean_list
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def list_pool_sources(self, host=None):
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pool_type = 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(),
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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")
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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")
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src_b = src and not self.conn.is_remote()
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tgt = self._pool.supports_property("target_path")
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tgt_b = tgt and not self.conn.is_remote()
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host = self._pool.supports_property("hosts")
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fmt = self._pool.supports_property("formats")
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iqn = self._pool.supports_property("iqn")
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builddef, buildsens = self.get_build_default()
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# We don't show source_name for logical pools, since we use
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# pool-sources to avoid the need for it
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src_name = (self._pool.supports_property("source_name") and
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self._pool.type != self._pool.TYPE_LOGICAL)
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# Source path browsing is meaningless for net pools
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if self._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-build", buildsens)
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show_row("pool-iqn", iqn)
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show_row("pool-source-name", src_name)
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if iqn:
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self.widget("pool-source-label").set_label(_("_Source IQN:"))
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else:
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self.widget("pool-source-label").set_label(_("_Source Path:"))
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if tgt:
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self.widget("pool-target-path").get_child().set_text(
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self._pool.target_path)
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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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self.widget("pool-build").set_active(builddef)
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if src_name:
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self.widget("pool-source-name").set_text(self._pool.source_name)
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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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return uiutil.get_list_selection(self.widget("pool-type"))
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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
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ret = uiutil.get_list_selection(src, column=1)
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if ret is not None:
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return ret
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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
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ret = uiutil.get_list_selection(src, column=1)
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if ret is not None:
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return ret
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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
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def get_config_source_name(self):
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name = self.widget("pool-source-name")
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if name.get_sensitive():
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return name.get_text().strip()
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return None
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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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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()
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return None
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def get_build_default(self):
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""" Return (default value, whether build option can be changed)"""
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if not self._pool:
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return (False, False)
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if self._pool.type 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, False)
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elif self._pool.type in [StoragePool.TYPE_LOGICAL,
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StoragePool.TYPE_DISK]:
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# This is a dangerous operation, anything (False, True)
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# should be assumed to be one.
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return (False, True)
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else:
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return (False, False)
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def browse_source_path(self, ignore1=None):
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source = self._browse_file(_("Choose source path"),
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startfolder="/dev", foldermode=False)
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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_path(self, ignore1=None):
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startfolder = StoragePool.get_default_dir(self.conn.get_backend())
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target = self._browse_file(_("Choose target directory"),
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startfolder=startfolder,
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foldermode=True)
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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
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if notebook.get_current_page() == PAGE_FORMAT:
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self.finish()
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else:
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notebook.next_page()
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except Exception as e:
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self.err.show_err(_("Uncaught error validating input: %s") % str(e))
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return
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def back(self, ignore=None):
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self.widget("pool-pages").prev_page()
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def _signal_pool_added(self, src, connkey, created_name):
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ignore = src
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if connkey == created_name:
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self.emit("pool-created", connkey)
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def _finish_cb(self, error, details):
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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.connect_once("pool-added", self._signal_pool_added,
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self._pool.name)
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self.conn.schedule_priority_tick(pollpool=True)
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self.close()
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def finish(self):
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self.reset_finish_cursor()
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build = self.widget("pool-build").get_active()
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progWin = vmmAsyncJob(self._async_pool_create, [build],
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self._finish_cb, [],
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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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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.")
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poolobj = self._pool.install(create=True, meter=meter, build=build)
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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
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page_lbl = ("<span color='#59B0E2'>%s</span>" %
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_("Step %(current_page)d of %(max_page)d") %
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{'current_page': page_number + 1,
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'max_page': PAGE_FORMAT + 1})
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self.widget("header-pagenum").set_markup(page_lbl)
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isfirst = (page_number == PAGE_NAME)
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islast = (page_number == PAGE_FORMAT)
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self.widget("pool-back").set_sensitive(not isfirst)
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self.widget("pool-finish").set_visible(islast)
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self.widget("pool-forward").set_visible(not islast)
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self.widget(islast and "pool-finish" or "pool-forward").grab_focus()
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self.widget("pool-details-grid").set_visible(islast)
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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):
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self.set_page(page_number)
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def get_pool_to_validate(self):
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"""
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Return a pool instance to use for parameter assignment validation.
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For most pools this will be the one we built after step 1, but for
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pools we find via FindPoolSources, this will be different
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"""
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source_list = self.widget("pool-source-path")
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target_list = self.widget("pool-target-path")
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pool = uiutil.get_list_selection(source_list, column=2,
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check_entry=False)
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if pool is None:
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pool = uiutil.get_list_selection(target_list, column=2,
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check_entry=False)
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return pool
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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_type()
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return pool
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def _validate_page_name(self, usepool=None):
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try:
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if usepool:
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self._pool = usepool
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else:
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self._pool = self._make_stub_pool()
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self._pool.name = self.get_config_name()
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except ValueError as e:
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return self.err.val_err(_("Pool Parameter Error"), e)
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return True
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def _validate_page_format(self):
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target = self.get_config_target_path()
|
|
host = self.get_config_host()
|
|
source = self.get_config_source_path()
|
|
fmt = self.get_config_format()
|
|
iqn = self.get_config_iqn()
|
|
source_name = self.get_config_source_name()
|
|
|
|
if not self._validate_page_name(self.get_pool_to_validate()):
|
|
return
|
|
|
|
try:
|
|
self._pool.target_path = target
|
|
if host:
|
|
self._pool.add_host(host)
|
|
if source:
|
|
self._pool.source_path = source
|
|
if fmt:
|
|
self._pool.format = fmt
|
|
if iqn:
|
|
self._pool.iqn = iqn
|
|
if source_name:
|
|
self._pool.source_name = source_name
|
|
|
|
self._pool.validate()
|
|
except ValueError as 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
|
|
self.widget("pool-build").get_visible())
|
|
if buildsen and buildval:
|
|
ret = self.err.yes_no(_("Building a pool of this type will "
|
|
"format the source device. Are you "
|
|
"sure you want to 'build' this pool?"))
|
|
if not ret:
|
|
return ret
|
|
|
|
return True
|
|
|
|
def validate(self, page):
|
|
if page == PAGE_NAME:
|
|
return self._validate_page_name()
|
|
elif page == PAGE_FORMAT:
|
|
return self._validate_page_format()
|
|
|
|
def _browse_file(self, dialog_name, startfolder=None, foldermode=False):
|
|
mode = Gtk.FileChooserAction.OPEN
|
|
if foldermode:
|
|
mode = Gtk.FileChooserAction.SELECT_FOLDER
|
|
|
|
return self.err.browse_local(self.conn, dialog_name,
|
|
dialog_type=mode, start_folder=startfolder)
|