mirror of
https://github.com/virt-manager/virt-manager.git
synced 2025-03-11 16:58:31 +03:00
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.
260 lines
11 KiB
Python
260 lines
11 KiB
Python
# addnetwork.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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from snack import Checkbox
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from snack import Entry
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from snack import Label
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from snack import RadioBar
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from IPy import IP
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import logging
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import re
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from vmmconfigscreen import VmmTuiConfigScreen
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from networkconfig import NetworkConfig
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NETWORK_NAME_PAGE = 1
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IPV4_ADDRESS_PAGE = 2
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PUBLIC_NETWORK_ALERT_PAGE = 3
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NETWORK_DETAILS_PAGE = 4
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DHCP_RANGE_PAGE = 5
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NETWORK_TYPE_PAGE = 6
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SELECT_PHYSICAL_NETWORK_PAGE = 7
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SUMMARY_PAGE = 8
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class AddNetworkConfigScreen(VmmTuiConfigScreen):
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def __init__(self):
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VmmTuiConfigScreen.__init__(self, "Create A Virtual Network Interface")
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self.__config = NetworkConfig()
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self.__end_address = None
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self.__start_address = None
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self.__name = None
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self.__isolated_network = None
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self.__physical_devices = None
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self.__ipv4_address = None
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def get_elements_for_page(self, screen, page):
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if page is NETWORK_NAME_PAGE:
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return self.get_network_name_page(screen)
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elif page is IPV4_ADDRESS_PAGE:
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return self.get_ipv4_address_page(screen)
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elif page is PUBLIC_NETWORK_ALERT_PAGE:
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return self.get_public_network_alert_page(screen)
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elif page is NETWORK_DETAILS_PAGE:
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return self.get_network_details_page(screen)
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elif page is DHCP_RANGE_PAGE:
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return self.get_dhcp_range_page(screen)
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elif page is NETWORK_TYPE_PAGE:
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return self.get_network_type_page(screen)
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elif page is SELECT_PHYSICAL_NETWORK_PAGE:
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return self.get_select_physical_network_page(screen)
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elif page is SUMMARY_PAGE:
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return self.get_summary_page(screen)
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def validate_input(self, page, errors):
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if page is NETWORK_NAME_PAGE:
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if len(self.__name.value()) > 0:
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if re.match("^[a-zA-Z0-9_]*$", self.__name.value()):
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return True
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else:
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errors.append("The network name can only contain letters, numbers and the underscore, and no spaces.")
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else:
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errors.append("Network name must be non-blank and less than 50 characters")
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elif page is IPV4_ADDRESS_PAGE:
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if len(self.__ipv4_address.value()) > 0:
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try:
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self.__config.set_ipv4_address(self.__ipv4_address.value())
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return True
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except Exception, error:
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errors.append("The network address could not be understood: %s" % str(error))
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else:
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errors.append("Network must be entered in the format 1.2.3.4/8")
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elif page is PUBLIC_NETWORK_ALERT_PAGE:
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return True
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elif page is NETWORK_DETAILS_PAGE:
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return True
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elif page is DHCP_RANGE_PAGE:
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try:
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if len(self.__start_address.value()) > 0 and len(self.__end_address.value()) > 0:
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start = IP(self.__start_address.value(), )
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end = IP(self.__end_address.value())
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if not self.__config.is_bad_address(start) and not self.__config.is_bad_address(end):
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return True
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else:
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errors.append("Start and/or end address are outside of the choosen network.")
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else:
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errors.append("Start and end address must be non-blank.")
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except Exception, error:
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logging.error(str(error))
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errors.append("The start and/or end addresses could not be understood.")
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elif page is NETWORK_TYPE_PAGE:
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return True
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elif page is SELECT_PHYSICAL_NETWORK_PAGE:
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return True
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elif page is SUMMARY_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 NETWORK_NAME_PAGE:
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self.__config.set_name(self.__name.value())
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elif page is DHCP_RANGE_PAGE:
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self.__config.set_ipv4_start_address(self.__start_address.value())
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self.__config.set_ipv4_end_address(self.__end_address.value())
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elif page is NETWORK_TYPE_PAGE:
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self.__config.set_isolated_network(self.__isolated_network.value())
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elif page is SELECT_PHYSICAL_NETWORK_PAGE:
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self.__config.set_physical_device(self.__physical_devices.getSelection())
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elif page is SUMMARY_PAGE:
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self.get_libvirt().define_network(self.__config)
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self.set_finished()
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def get_next_page(self, page):
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if page is IPV4_ADDRESS_PAGE:
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if self.__config.is_public_ipv4_network():
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return PUBLIC_NETWORK_ALERT_PAGE
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else:
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return NETWORK_DETAILS_PAGE
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if page is NETWORK_TYPE_PAGE:
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if self.__config.is_isolated_network():
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return SUMMARY_PAGE
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else:
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return SELECT_PHYSICAL_NETWORK_PAGE
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return VmmTuiConfigScreen.get_next_page(self, page)
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def get_back_page(self, page):
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if page is NETWORK_DETAILS_PAGE:
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return IPV4_ADDRESS_PAGE
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if page is SUMMARY_PAGE:
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if self.__config.is_isolated_network():
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return NETWORK_TYPE_PAGE
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else:
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return SELECT_PHYSICAL_NETWORK_PAGE
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return VmmTuiConfigScreen.get_back_page(self, page)
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def page_has_finish(self, page):
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if page is SUMMARY_PAGE:
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return True
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return False
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def page_has_next(self, page):
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if page < SUMMARY_PAGE:
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return True
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def page_has_back(self, page):
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if page > NETWORK_NAME_PAGE:
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return True
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return False
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def get_network_name_page(self, screen):
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ignore = screen
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self.__name = Entry(50, self.__config.get_name())
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fields = []
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fields.append(("Network name", self.__name))
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return [Label("Please choose a name for your virtual network"),
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self.create_grid_from_fields(fields)]
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def get_ipv4_address_page(self, screen):
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ignore = screen
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self.__ipv4_address = Entry(18, self.__config.get_ipv4_address())
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fields = []
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fields.append(("Network", self.__ipv4_address))
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return [Label("You will need to choose an IPv4 address space for the virtual network"),
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self.create_grid_from_fields(fields)]
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def get_network_details_page(self, screen):
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ignore = screen
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fields = []
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fields.append(("Network details", None))
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fields.append(("Network", self.__config.get_ipv4_address()))
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fields.append(("Netmask", self.__config.get_ipv4_netmask()))
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fields.append(("Broadcast", self.__config.get_ipv4_broadcast()))
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fields.append(("Gateway", self.__config.get_ipv4_gateway()))
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fields.append(("Size", "%i" % self.__config.get_ipv4_max_addresses()))
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fields.append(("Type", self.__config.get_ipv4_network_type()))
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return [self.create_grid_from_fields(fields)]
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def get_public_network_alert_page(self, screen):
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ignore = screen
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return [Label("Check Network Address"),
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Label("The network should normally use a private IPv4 address."),
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Label("Use this non-private address anyway?")]
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def get_dhcp_range_page(self, screen):
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ignore = screen
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self.__start_address = Entry(15, self.__config.get_ipv4_start_address())
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self.__end_address = Entry(15, self.__config.get_ipv4_end_address())
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fields = []
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fields.append(("Select the DHCP range", None))
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fields.append(("Start", self.__start_address))
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fields.append(("End", self.__end_address))
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return [Label("Selecting The DHCP Range"),
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self.create_grid_from_fields(fields),
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Label("TIP: Unless you wish to reserve some addresses to allow static network"),
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Label("configuration in virtual machines, these paraemters can be left with"),
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Label("their default values.")]
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def get_network_type_page(self, screen):
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ignore = screen
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self.__isolated_network = Checkbox("Isolated virtual network",
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self.__config.is_isolated_network())
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fields = []
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fields.append((self.__isolated_network, None))
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return [Label("Please indicate whether this virtual network should be"),
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Label("connected to the physical network."),
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self.create_grid_from_fields(fields)]
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def get_select_physical_network_page(self, screen):
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ignore = screen
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devices = []
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devices.append(["NAT to any physical device", "", self.__config.get_physical_device() == ""])
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for device in self.get_libvirt().list_network_devices():
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devices.append(["NAT to physical device %s" % device, device, self.__config.get_physical_device() == device])
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self.__physical_devices = RadioBar(screen, (devices))
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fields = []
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fields.append(("Forward to physical network", self.__physical_devices))
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return [Label("Connecting To Physical Network"),
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self.create_grid_from_fields(fields)]
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def get_summary_page(self, screen):
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ignore = screen
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fields = []
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fields.append(("Summary", None))
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fields.append(("Network name", self.__config.get_name()))
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fields.append(("IPv4 network", None))
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fields.append(("Network", self.__config.get_ipv4_address()))
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fields.append(("Gateway", self.__config.get_ipv4_gateway()))
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fields.append(("Netmask", self.__config.get_ipv4_netmask()))
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fields.append(("DHCP", None))
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fields.append(("Start address", self.__config.get_ipv4_start_address()))
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fields.append(("End address", self.__config.get_ipv4_end_address()))
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fields.append(("Forwarding", None))
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forwarding = "Isolated virtual network"
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if not self.__config.is_isolated_network():
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forwarding = "NAT to %s" % self.__config.get_physical_device_text()
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fields.append(("Connectivity", forwarding))
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return [Label("Ready To Create Network"),
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self.create_grid_from_fields(fields)]
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def AddNetwork():
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screen = AddNetworkConfigScreen()
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screen.start()
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