149 lines
5.7 KiB
Python
149 lines
5.7 KiB
Python
# zFCP configuration dialog
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#
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# Copyright (C) 2013 Red Hat, Inc.
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#
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# This copyrighted material is made available to anyone wishing to use,
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# modify, copy, or redistribute it subject to the terms and conditions of
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# the GNU General Public License v.2, or (at your option) any later version.
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# This program is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY expressed or implied, including the implied warranties of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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# Public License for more details. You should have received a copy of the
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# GNU General Public License along with this program; if not, write to the
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# Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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# 02110-1301, USA. Any Red Hat trademarks that are incorporated in the
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# source code or documentation are not subject to the GNU General Public
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# License and may only be used or replicated with the express permission of
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# Red Hat, Inc.
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#
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# Red Hat Author(s): Samantha N. Bueno <sbueno@redhat.com>
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#
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from pyanaconda.ui.gui import GUIObject
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from pyanaconda.ui.gui.utils import gtk_action_nowait
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from blivet.zfcp import ZFCPDevice
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__all__ = ["ZFCPDialog"]
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class ZFCPDialog(GUIObject):
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""" Gtk dialog which allows users to manually add zFCP devices without
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having previously specified them in a parm file.
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"""
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builderObjects = ["zfcpDialog"]
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mainWidgetName = "zfcpDialog"
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uiFile = "spokes/advstorage/zfcp.glade"
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def __init__(self, data, storage):
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GUIObject.__init__(self, data)
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self.storage = storage
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self.zfcp = self.storage.zfcp()
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self._discoveryError = None
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self._update_devicetree = False
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# grab all of the ui objects
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self._zfcpNotebook = self.builder.get_object("zfcpNotebook")
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self._configureGrid = self.builder.get_object("configureGrid")
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self._conditionNotebook = self.builder.get_object("conditionNotebook")
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self._startButton = self.builder.get_object("startButton")
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self._okButton = self.builder.get_object("okButton")
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self._cancelButton = self.builder.get_object("cancelButton")
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self._deviceEntry = self.builder.get_object("deviceEntry")
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self._wwpnEntry = self.builder.get_object("wwpnEntry")
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self._lunEntry = self.builder.get_object("lunEntry")
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def refresh(self):
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self._deviceEntry.set_text("")
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self._deviceEntry.set_sensitive(True)
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self._startButton.set_sensitive(True)
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def run(self):
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rc = self.window.run()
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self.window.destroy()
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# We need to call this to get the device nodes to show up
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# in our devicetree.
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if self._update_devicetree:
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self.storage.devicetree.populate()
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return rc
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def _set_configure_sensitive(self, sensitivity):
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""" Set entries to a given sensitivity. """
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for child in self._configureGrid.get_children():
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child.set_sensitive(sensitivity)
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def on_start_clicked(self, *args):
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""" Go through the process of validating entry contents and then
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attempt to add the device.
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"""
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# First update widgets
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self._startButton.hide()
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self._cancelButton.set_sensitive(False)
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self._okButton.set_sensitive(False)
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self._conditionNotebook.set_current_page(1)
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self._set_configure_sensitive(False)
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self._deviceEntry.set_sensitive(False)
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# Make a zFCP object with some dummy credentials so we can validate our
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# actual input
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self._conditionNotebook.set_current_page(1)
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dev = ZFCPDevice("0.0.0000", "0x0000000000000000", "0x0000000000000000")
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# below really, really is ugly and needs to be re-factored, but this
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# should give a good base idea as far as expected behavior should go
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try:
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device = dev.sanitizeDeviceInput(self._deviceEntry.get_text())
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wwpn = dev.sanitizeWWPNInput(self._wwpnEntry.get_text())
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lun = dev.sanitizeFCPLInput(self._lunEntry.get_text())
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except ValueError as e:
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_config_error = str(e)
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self.builder.get_object("deviceErrorLabel").set_text(_config_error)
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self._conditionNotebook.set_current_page(2)
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spinner = self.builder.get_object("waitSpinner")
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spinner.start()
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self._discover(device, wwpn, lun)
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self._check_discover()
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@gtk_action_nowait
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def _check_discover(self, *args):
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""" After the zFCP discover thread runs, check to see whether a valid
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device was discovered. Display an error message if not.
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"""
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spinner = self.builder.get_object("waitSpinner")
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spinner.stop()
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if self._discoveryError:
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# Failure, display a message and leave the user on the dialog so
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# they can try again (or cancel)
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self.builder.get_object("deviceErrorLabel").set_text(self._discoveryError)
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self._discoveryError = None
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self._conditionNotebook.set_current_page(2)
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self._set_configure_sensitive(True)
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else:
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# Great success. Just return to the advanced storage window and let the
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# UI update with the newly-added device
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self.window.response(1)
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return True
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self._cancelButton.set_sensitive(True)
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return False
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def _discover(self, *args):
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""" Given the configuration options from a user, attempt to discover
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a zFCP device. This includes searching black-listed devices.
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"""
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# attempt to add the device
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try:
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self.zfcp.addFCP(args[0], args[1], args[2])
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self._update_devicetree = True
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except ValueError as e:
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self._discoveryError = str(e)
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return
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