/usr/share/virt-manager/virtManager/createpool.py is in virt-manager 0.9.1-1ubuntu5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Copyright (C) 2008 Red Hat, Inc.
# Copyright (C) 2008 Cole Robinson <crobinso@redhat.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
# MA 02110-1301 USA.
#
import gtk
import copy
import logging
from virtManager import util
from virtManager.baseclass import vmmGObjectUI
from virtManager.asyncjob import vmmAsyncJob
from virtManager.createmeter import vmmCreateMeter
from virtinst import Storage
PAGE_NAME = 0
PAGE_FORMAT = 1
class vmmCreatePool(vmmGObjectUI):
def __init__(self, conn):
vmmGObjectUI.__init__(self,
"vmm-create-pool.glade",
"vmm-create-pool")
self.conn = conn
self._pool = None
self._pool_class = Storage.StoragePool
self.window.signal_autoconnect({
"on_pool_forward_clicked" : self.forward,
"on_pool_back_clicked" : self.back,
"on_pool_cancel_clicked" : self.close,
"on_vmm_create_pool_delete_event" : self.close,
"on_pool_finish_clicked" : self.forward,
"on_pool_pages_change_page" : self.page_changed,
"on_pool_source_button_clicked" : self.browse_source_path,
"on_pool_target_button_clicked" : self.browse_target_path,
"on_pool_name_activate": self.forward,
"on_pool_hostname_activate" : self.hostname_changed,
"on_pool_iqn_chk_toggled": self.iqn_toggled,
"on_pool_name_focus_in_event": (self.update_doc, "name",
"pool-info1"),
# I cannot for the life of me get a combobox to abide
# focus-in, button-pressed, motion-over, etc.
"on_pool_type_focus": (self.update_doc, "type", "pool-info1"),
"on_pool_type_changed": (self.update_doc_changed, "type",
"pool-info1"),
"on_pool_format_focus": (self.update_doc, "format", "pool-info2"),
"on_pool_format_changed": (self.update_doc_changed, "format",
"pool-info2"),
"on_pool_target_path_focus_in_event": (self.update_doc,
"target_path",
"pool-info2"),
"on_pool_target_path_focus": (self.update_doc, "target_path",
"pool-info2"),
"on_pool_target_path_changed": (self.update_doc_changed,
"target_path",
"pool-info2"),
"on_pool_source_path_focus_in_event": (self.update_doc,
"source_path",
"pool-info2"),
"on_pool_source_path_focus": (self.update_doc, "source_path",
"pool-info2"),
"on_pool_source_path_changed": (self.update_doc_changed,
"source_path",
"pool-info2"),
"on_pool_hostname_focus_in_event": (self.update_doc, "host",
"pool-info2"),
"on_pool_build_focus_in_event": (self.update_build_doc),
"on_pool_iqn_focus_in_event": (self.update_doc, "iqn",
"pool-info2"),
})
self.bind_escape_key_close()
# XXX: Help docs useless/out of date
self.widget("pool-help").hide()
finish_img = gtk.image_new_from_stock(gtk.STOCK_QUIT,
gtk.ICON_SIZE_BUTTON)
self.widget("pool-finish").set_image(finish_img)
self.set_initial_state()
def show(self, parent):
logging.debug("Showing new pool wizard")
self.reset_state()
self.topwin.set_transient_for(parent)
self.topwin.present()
def close(self, ignore1=None, ignore2=None):
logging.debug("Closing new pool wizard")
self.topwin.hide()
return 1
def _cleanup(self):
self.close()
self.conn = None
self._pool = None
def set_initial_state(self):
self.widget("pool-pages").set_show_tabs(False)
type_list = self.widget("pool-type")
type_model = gtk.ListStore(str, str)
type_list.set_model(type_model)
text1 = gtk.CellRendererText()
type_list.pack_start(text1, True)
type_list.add_attribute(text1, 'text', 1)
format_list = self.widget("pool-format")
format_model = gtk.ListStore(str, str)
format_list.set_model(format_model)
text2 = gtk.CellRendererText()
format_list.pack_start(text2, False)
format_list.add_attribute(text2, 'text', 1)
# Target path combo box entry
target_list = self.widget("pool-target-path")
# target_path, Label, pool class instance
target_model = gtk.ListStore(str, str, object)
target_model.set_sort_column_id(0, gtk.SORT_ASCENDING)
target_list.set_model(target_model)
target_list.set_text_column(0)
target_list.child.connect("focus-in-event", self.update_doc,
"target_path", "pool-info2")
# Source path combo box entry
source_list = self.widget("pool-source-path")
# source_path, Label, pool class instance
source_model = gtk.ListStore(str, str, object)
source_model.set_sort_column_id(0, gtk.SORT_ASCENDING)
source_list.set_model(source_model)
source_list.set_text_column(0)
source_list.child.connect("focus-in-event", self.update_doc,
"source_path", "pool-info2")
self.populate_pool_type()
self.widget("pool-info-box1").modify_bg(gtk.STATE_NORMAL,
gtk.gdk.color_parse("grey"))
self.widget("pool-info-box2").modify_bg(gtk.STATE_NORMAL,
gtk.gdk.color_parse("grey"))
def reset_state(self):
self.widget("pool-pages").set_current_page(0)
self.widget("pool-forward").show()
self.widget("pool-finish").hide()
self.widget("pool-back").set_sensitive(False)
self.widget("pool-name").set_text("")
self.widget("pool-name").grab_focus()
self.widget("pool-type").set_active(0)
self.widget("pool-target-path").child.set_text("")
self.widget("pool-source-path").child.set_text("")
self.widget("pool-hostname").set_text("")
self.widget("pool-iqn-chk").set_active(False)
self.widget("pool-iqn-chk").toggled()
self.widget("pool-iqn").set_text("")
self.widget("pool-format").set_active(-1)
self.widget("pool-build").set_sensitive(True)
self.widget("pool-build").set_active(False)
def hostname_changed(self, ignore):
# If a hostname was entered, try to lookup valid pool sources.
self.populate_pool_sources()
def iqn_toggled(self, src):
self.widget("pool-iqn").set_sensitive(src.get_active())
def populate_pool_type(self):
model = self.widget("pool-type").get_model()
model.clear()
types = Storage.StoragePool.get_pool_types()
types.sort()
for typ in types:
model.append([typ, "%s: %s" %
(typ, Storage.StoragePool.get_pool_type_desc(typ))])
def populate_pool_format(self, formats):
model = self.widget("pool-format").get_model()
model.clear()
for f in formats:
model.append([f, f])
def populate_pool_sources(self):
source_list = self.widget("pool-source-path")
source_model = source_list.get_model()
source_model.clear()
target_list = self.widget("pool-target-path")
target_model = target_list.get_model()
target_model.clear()
use_list = source_list
use_model = source_model
entry_list = []
if self._pool.type == Storage.StoragePool.TYPE_SCSI:
entry_list = self.list_scsi_adapters()
use_list = source_list
use_model = source_model
elif self._pool.type == Storage.StoragePool.TYPE_LOGICAL:
pool_list = self.list_pool_sources()
entry_list = map(lambda p: [p.target_path, p.target_path, p],
pool_list)
use_list = target_list
use_model = target_model
elif self._pool.type == Storage.StoragePool.TYPE_DISK:
entry_list = self.list_disk_devs()
use_list = source_list
use_model = source_model
elif self._pool.type == Storage.StoragePool.TYPE_NETFS:
host = self.get_config_host()
if host:
pool_list = self.list_pool_sources(host=host)
entry_list = map(lambda p: [p.source_path, p.source_path, p],
pool_list)
use_list = source_list
use_model = source_model
for e in entry_list:
use_model.append(e)
if entry_list:
use_list.set_active(0)
def list_scsi_adapters(self):
scsi_hosts = self.conn.get_nodedevs("scsi_host")
host_list = map(lambda dev: dev.host, scsi_hosts)
clean_list = []
for h in host_list:
tmppool = copy.copy(self._pool)
name = "host%s" % h
tmppool.source_path = name
entry = [name, name, tmppool]
if name not in map(lambda l: l[0], clean_list):
clean_list.append(entry)
return clean_list
def list_disk_devs(self):
devs = self.conn.get_nodedevs("storage")
devlist = []
for dev in devs:
if dev.drive_type != "disk" or not dev.block:
continue
devlist.append(dev.block)
devlist.sort()
clean_list = []
for dev in devlist:
tmppool = copy.copy(self._pool)
tmppool.source_path = dev
entry = [dev, dev, tmppool]
if dev not in map(lambda l: l[0], clean_list):
clean_list.append(entry)
return clean_list
def list_pool_sources(self, host=None):
name = self.get_config_name()
pool_type = self._pool.type
plist = []
try:
plist = Storage.StoragePool.pool_list_from_sources(self.conn.vmm,
name, pool_type,
host=host)
except Exception:
logging.exception("Pool enumeration failed")
return plist
def show_options_by_pool(self):
def show_row(base, do_show):
self.widget(base + "-label").set_property("visible", do_show)
self.widget(base + "-box").set_property("visible", do_show)
src = hasattr(self._pool, "source_path")
src_b = src and not self.conn.is_remote()
tgt = hasattr(self._pool, "target_path")
tgt_b = tgt and not self.conn.is_remote()
host = hasattr(self._pool, "host")
fmt = hasattr(self._pool, "formats")
iqn = hasattr(self._pool, "iqn")
builddef, buildsens = self.get_build_default()
# Source path broswing is meaningless for net pools
if self._pool.type in [Storage.StoragePool.TYPE_NETFS,
Storage.StoragePool.TYPE_ISCSI,
Storage.StoragePool.TYPE_SCSI]:
src_b = False
show_row("pool-target", tgt)
show_row("pool-source", src)
show_row("pool-hostname", host)
show_row("pool-format", fmt)
show_row("pool-build", buildsens)
show_row("pool-iqn", iqn)
self.widget("pool-target-path").child.set_text(self._pool.target_path)
self.widget("pool-target-button").set_sensitive(tgt_b)
self.widget("pool-source-button").set_sensitive(src_b)
self.widget("pool-build").set_active(builddef)
self.widget("pool-format").set_active(-1)
if fmt:
self.populate_pool_format(getattr(self._pool, "formats"))
self.widget("pool-format").set_active(0)
self.populate_pool_sources()
def get_config_type(self):
typ = self.widget("pool-type")
if typ.get_active_iter() != None:
return typ.get_model().get_value(typ.get_active_iter(), 0)
return None
def get_config_name(self):
return self.widget("pool-name").get_text()
def get_config_target_path(self):
src = self.widget("pool-target-path")
if not src.get_property("sensitive"):
return None
# If we provide the user with a drop down
model = src.get_model()
selection = src.get_active()
if selection != -1:
return model[selection][1]
return src.child.get_text()
def get_config_source_path(self):
src = self.widget("pool-source-path")
if not src.get_property("sensitive"):
return None
# If we provide the user with a drop down
model = src.get_model()
selection = src.get_active()
if selection != -1:
return model[selection][1]
return src.child.get_text().strip()
def get_config_host(self):
host = self.widget("pool-hostname")
if host.get_property("sensitive"):
return host.get_text().strip()
return None
def get_config_format(self):
format_combo = self.widget("pool-format")
model = format_combo.get_model()
if format_combo.get_active_iter() != None:
model = format_combo.get_model()
return model.get_value(format_combo.get_active_iter(), 0)
return None
def get_config_iqn(self):
iqn = self.widget("pool-iqn")
if iqn.get_property("sensitive") and iqn.get_property("visible"):
return iqn.get_text().strip()
return None
def get_build_default(self):
""" Return (default value, whether build option can be changed)"""
if not self._pool:
return (False, False)
if self._pool.type in [Storage.StoragePool.TYPE_DIR,
Storage.StoragePool.TYPE_FS,
Storage.StoragePool.TYPE_NETFS]:
# Building for these simply entails creating a directory
return (True, False)
elif self._pool.type in [Storage.StoragePool.TYPE_LOGICAL,
Storage.StoragePool.TYPE_DISK]:
# This is a dangerous operation, anything (False, True)
# should be assumed to be one.
return (False, True)
else:
return (False, False)
def browse_source_path(self, ignore1=None):
source = self._browse_file(_("Choose source path"),
startfolder="/dev", foldermode=False)
if source:
self.widget("pool-source-path").child.set_text(source)
def browse_target_path(self, ignore1=None):
target = self._browse_file(_("Choose target directory"),
startfolder="/var/lib/libvirt",
foldermode=True)
if target:
self.widget("pool-target-path").child.set_text(target)
def forward(self, ignore=None):
notebook = self.widget("pool-pages")
try:
if(self.validate(notebook.get_current_page()) != True):
return
if notebook.get_current_page() == PAGE_FORMAT:
self.finish()
else:
self.widget("pool-forward").grab_focus()
notebook.next_page()
except Exception, e:
self.err.show_err(_("Uncaught error validating input: %s") % str(e))
return
def back(self, ignore=None):
self.widget("pool-finish").hide()
self.widget("pool-forward").show()
self.widget("pool-pages").prev_page()
def finish(self):
self.topwin.set_sensitive(False)
self.topwin.window.set_cursor(gtk.gdk.Cursor(gtk.gdk.WATCH))
progWin = vmmAsyncJob(self._async_pool_create, [],
_("Creating storage pool..."),
_("Creating the storage pool may take a "
"while..."),
self.topwin)
error, details = progWin.run()
self.topwin.set_sensitive(True)
self.topwin.window.set_cursor(gtk.gdk.Cursor(gtk.gdk.TOP_LEFT_ARROW))
if error:
error = _("Error creating pool: %s") % error
self.err.show_err(error,
details=details)
else:
self.close()
def _async_pool_create(self, asyncjob):
newconn = None
# Open a seperate connection to install on since this is async
newconn = util.dup_lib_conn(self._pool.conn)
meter = vmmCreateMeter(asyncjob)
self._pool.conn = newconn
logging.debug("Starting backround pool creation.")
build = self.widget("pool-build").get_active()
poolobj = self._pool.install(create=True, meter=meter, build=build)
poolobj.setAutostart(True)
logging.debug("Pool creation succeeded")
def page_changed(self, notebook_ignore, page_ignore, page_number):
if page_number == PAGE_NAME:
self.widget("pool-back").set_sensitive(False)
self.widget("pool-finish").hide()
self.widget("pool-forward").show()
self.widget("pool-forward").grab_focus()
elif page_number == PAGE_FORMAT:
self.widget("pool-back").set_sensitive(True)
self.widget("pool-finish").show()
self.widget("pool-finish").grab_focus()
self.widget("pool-forward").hide()
self.show_options_by_pool()
def get_pool_to_validate(self):
"""
Return a pool instance to use for parameter assignment validation.
For most pools this will be the one we built after step 1, but for
pools we find via FindPoolSources, this will be different
"""
source_list = self.widget("pool-source-path")
target_list = self.widget("pool-target-path")
pool = copy.copy(self._pool)
if source_list.get_active() != -1:
pool = source_list.get_model()[source_list.get_active()][2]
elif target_list.get_active() != -1:
pool = target_list.get_model()[target_list.get_active()][2]
return pool
def validate(self, page):
if page == PAGE_NAME:
typ = self.get_config_type()
name = self.get_config_name()
conn = self.conn.vmm
try:
self._pool_class = Storage.StoragePool.get_pool_class(typ)
self._pool = self._pool_class(name=name, conn=conn)
except ValueError, e:
return self.err.val_err(_("Pool Parameter Error"), e)
return True
elif page == PAGE_FORMAT:
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()
tmppool = self.get_pool_to_validate()
try:
tmppool.target_path = target
if host:
tmppool.host = host
if source:
tmppool.source_path = source
if fmt:
tmppool.format = fmt
if iqn:
tmppool.iqn = iqn
tmppool.get_xml_config()
except ValueError, e:
return self.err.val_err(_("Pool Parameter Error"), e)
buildval = self.widget("pool-build").get_active()
buildsen = (self.widget("pool-build").get_property("sensitive") and
self.widget("pool-build-box").get_property("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
self._pool = tmppool
return True
def update_doc(self, ignore1, ignore2, param, infobox):
doc = self._build_doc_str(param)
self.widget(infobox).set_markup(doc)
def update_build_doc(self, ignore1, ignore2):
doc = ""
docstr = ""
if self._pool.type == Storage.StoragePool.TYPE_DISK:
docstr = _("Format the source device.")
elif self._pool.type == Storage.StoragePool.TYPE_LOGICAL:
docstr = _("Create a logical volume group from the source device.")
if docstr:
doc = self._build_doc_str("build", docstr)
self.widget("pool-info2").set_markup(doc)
def update_doc_changed(self, ignore1, param, infobox):
# Wrapper for update_doc and 'changed' signal
self.update_doc(None, None, param, infobox)
def _build_doc_str(self, param, docstr=None):
doc = ""
doctmpl = "<i><u>%s</u>: %s</i>"
prettyname = param.replace("_", " ").capitalize()
if docstr:
doc = doctmpl % (prettyname, docstr)
elif hasattr(self._pool_class, param):
doc = doctmpl % (prettyname,
getattr(self._pool_class, param).__doc__)
return doc
def _browse_file(self, dialog_name, startfolder=None, foldermode=False):
mode = gtk.FILE_CHOOSER_ACTION_OPEN
if foldermode:
mode = gtk.FILE_CHOOSER_ACTION_SELECT_FOLDER
return util.browse_local(self.topwin, dialog_name, self.conn,
dialog_type=mode,
start_folder=startfolder)
vmmGObjectUI.type_register(vmmCreatePool)
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