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https://github.com/virt-manager/virt-manager.git
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9d05583c26
Despite being a known quantity, autotools is so overkill for our needs, so let's drop it and replace it with a much simpler and easy to customize system.
195 lines
8.4 KiB
Python
195 lines
8.4 KiB
Python
# addvolume.py - Copyright (C) 2009 Red Hat, Inc.
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# Written by Darryl L. Pierce <dpierce@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; version 2 of the License.
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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. A copy of the GNU General Public License is
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# also available at http://www.gnu.org/copyleft/gpl.html.
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import snack
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from createmeter import CreateMeter
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from storagelistconfigscreen import StorageListConfigScreen
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from volumeconfig import StorageVolumeConfig
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from newt_syrup import utils
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SELECT_POOL_PAGE = 1
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VOLUME_NAME_PAGE = 2
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VOLUME_FORMAT_PAGE = 3
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MAX_CAPACITY_PAGE = 4
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CONFIRM_PAGE = 5
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class AddVolumeConfigScreen(StorageListConfigScreen):
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def __init__(self):
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StorageListConfigScreen.__init__(self, "Add A New Storage Volume")
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self.__config = StorageVolumeConfig()
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self.__name = None
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self.__capacity = None
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self.__allocation = None
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self.__formats = None
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def get_elements_for_page(self, screen, page):
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if page is SELECT_POOL_PAGE:
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return self.get_storage_pool_list_page(screen)
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elif page is VOLUME_NAME_PAGE:
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return self.get_volume_name_page(screen)
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elif page is VOLUME_FORMAT_PAGE:
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return self.get_volume_format_page(screen)
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elif page is MAX_CAPACITY_PAGE:
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return self.get_max_capacity_page(screen)
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elif page is CONFIRM_PAGE:
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return self.get_confirm_page(screen)
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def page_has_next(self, page):
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if page is SELECT_POOL_PAGE:
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return self.has_selectable_pools()
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else:
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if page < CONFIRM_PAGE:
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return True
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return False
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def page_has_back(self, page):
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if page > SELECT_POOL_PAGE:
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return True
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return False
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def page_has_finish(self, page):
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return page is CONFIRM_PAGE
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def get_next_page(self, page):
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if page is VOLUME_NAME_PAGE:
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if self.__config.needs_format():
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return VOLUME_FORMAT_PAGE
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else:
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return MAX_CAPACITY_PAGE
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return StorageListConfigScreen.get_next_page(self, page)
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def get_back_page(self, page):
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if page is MAX_CAPACITY_PAGE:
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if self.__config.needs_format():
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return VOLUME_FORMAT_PAGE
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else:
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return VOLUME_NAME_PAGE
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return StorageListConfigScreen.get_back_page(self, page)
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def validate_input(self, page, errors):
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if page is SELECT_POOL_PAGE:
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if self.get_selected_pool() is not None:
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return True
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else:
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errors.append("You must select a storage pool.")
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elif page is VOLUME_NAME_PAGE:
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if utils.string_is_not_blank(self.__name.value()):
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return True
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else:
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errors.append("Storage object name can only contain alphanumeric, '_', '.', or '-' characters.")
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elif page is VOLUME_FORMAT_PAGE:
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if self.__formats.current() is not None:
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return True
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else:
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errors.append("You must select a volume format.")
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elif page is MAX_CAPACITY_PAGE:
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if utils.string_is_not_blank(self.__capacity.value()):
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if utils.string_is_not_blank(self.__allocation.value()):
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capacity = int(self.__capacity.value())
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allocation = int(self.__allocation.value())
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if capacity > 0:
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if capacity <= self.__config.get_pool().info()[3] / (1024 ** 2):
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if allocation >= 0:
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if allocation <= capacity:
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return True
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else:
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errors.append("Allocation cannot exceed the maximum capacity.")
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else:
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errors.append("The allocation must be greater than or equal to 0.")
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else:
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errors.append("The maximum capacity cannot exceed the storage pool size.")
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else:
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errors.append("The capacity must be greater than zero.")
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else:
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errors.append("An allocation value must be entered.")
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else:
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errors.append("A maximum volume capacity must be entered.")
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elif page is CONFIRM_PAGE:
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return True
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return False
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def process_input(self, page):
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if page is SELECT_POOL_PAGE:
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self.__config.set_pool(self.get_libvirt().get_storage_pool(self.get_selected_pool()))
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elif page is VOLUME_NAME_PAGE:
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self.__config.set_name(self.__name.value())
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elif page is VOLUME_FORMAT_PAGE:
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self.__config.set_format(self.__formats.current())
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elif page is MAX_CAPACITY_PAGE:
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self.__config.set_max_capacity(int(self.__capacity.value()))
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self.__config.set_allocation(int(self.__allocation.value()))
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elif page is CONFIRM_PAGE:
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self.get_libvirt().define_storage_volume(self.__config, CreateMeter())
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self.set_finished()
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def get_volume_name_page(self, screen):
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ignore = screen
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self.__name = snack.Entry(50, self.__config.get_name())
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grid = snack.Grid(2, 1)
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grid.setField(snack.Label("Name:"), 0, 0, anchorRight=1)
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grid.setField(self.__name, 1, 0, anchorLeft=1)
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return [snack.Label("New Storage Volume"),
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grid,
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snack.Label("Name of the volume to create. File extension may be appended.")]
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def get_volume_format_page(self, screen):
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ignore = screen
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self.__formats = snack.Listbox(0)
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for fmt in self.__config.get_formats_for_pool():
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self.__formats.append(fmt, fmt)
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grid = snack.Grid(1, 1)
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grid.setField(self.__formats, 0, 0)
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return [snack.Label("Select The Volume Format"),
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grid]
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def get_max_capacity_page(self, screen):
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ignore = screen
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self.__capacity = snack.Entry(6, str(self.__config.get_max_capacity()))
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self.__allocation = snack.Entry(6, str(self.__config.get_allocation()))
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grid = snack.Grid(2, 2)
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grid.setField(snack.Label("Max. Capacity (MB):"), 0, 0, anchorRight=1)
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grid.setField(self.__capacity, 1, 0, anchorLeft=1)
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grid.setField(snack.Label("Allocation (MB):"), 0, 1, anchorRight=1)
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grid.setField(self.__allocation, 1, 1, anchorLeft=1)
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return [snack.Label("Storage Volume Quota"),
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snack.Label("%s's available space: %s" % (self.__config.get_pool().name(),
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utils.size_as_mb_or_gb(self.__config.get_pool().info()[3]))),
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grid]
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def get_confirm_page(self, screen):
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ignore = screen
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grid = snack.Grid(2, 5)
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grid.setField(snack.Label("Volume Name:"), 0, 0, anchorRight=1)
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grid.setField(snack.Label("%s (%s)" % (self.__config.get_name(), self.__config.get_pool().name())), 1, 0, anchorLeft=1)
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if self.__config.needs_format():
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grid.setField(snack.Label("Format:"), 0, 1, anchorRight=1)
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grid.setField(snack.Label(self.__config.get_format()), 1, 1, anchorLeft=1)
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# NOTE: here we multiply the sizes by 1024^2 since the size_as_mb_or_gb is expect bytes
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grid.setField(snack.Label("Max. Capacity:"), 0, 2, anchorRight=1)
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grid.setField(snack.Label("%s" % (utils.size_as_mb_or_gb(self.__config.get_max_capacity() * (1024 ** 2)))), 1, 2, anchorLeft=1)
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grid.setField(snack.Label("Allocation:"), 0, 3, anchorRight=1)
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grid.setField(snack.Label("%s" % (utils.size_as_mb_or_gb(self.__config.get_allocation() * (1024 ** 2)))), 1, 3, anchorLeft=1)
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return [snack.Label("Ready To Allocation New Storage Volume"),
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grid]
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def AddStorageVolume():
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screen = AddVolumeConfigScreen()
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screen.start()
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