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#
# dispatch.py: install/upgrade master flow control
#
# Erik Troan <ewt@redhat.com>
#
# Copyright 2001-2002 Red Hat, Inc.
#
# This software may be freely redistributed under the terms of the GNU
# library public license.
#
# You should have received a copy of the GNU Library Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#
import string
from types import *
from constants import *
from packages import handleX11Packages, writeConfiguration, writeXConfiguration
from packages import writeKSConfiguration, turnOnFilesystems
from packages import doMigrateFilesystems
from packages import queryUpgradeContinue
from packages import doPostAction
from packages import handleMiscPackages, copyAnacondaLogs
from autopart import doAutoPartition
from packages import firstbootConfiguration
from packages import betaNagScreen
from packages import selectLanguageSupportGroups
from packages import setupTimezone
from packages import setFileCons
from packages import fixupConditionals
from partitioning import partitionObjectsInitialize
from partitioning import partitioningComplete
from floppy import makeBootdisk
from bootloader import writeBootloader, bootloaderSetupChoices
from flags import flags
from upgrade import upgradeMountFilesystems
from upgrade import upgradeSwapSuggestion, upgradeMigrateFind
from upgrade import findRootParts
from network import networkDeviceCheck
from installmethod import doMethodComplete
from backend import doPreSelection, doPostSelection
from backend import doPreInstall, doPostInstall, doInstall
import logging
log = logging.getLogger("anaconda")
# These are all of the install steps, in order. Note that upgrade and
# install steps are the same thing! Upgrades skip install steps, while
# installs skip upgrade steps.
#
# items are one of
#
# ( name, tuple)
# ( name, Function, tuple)
#
# in the second case, the function is called directly from the dispatcher
installSteps = [
("welcome", ()),
("betanag", betaNagScreen, ("intf", "dir")),
("language", ("intf", "id.instLanguage")),
("keyboard", ("id.instLanguage.getDefaultKeyboard()", "id.keyboard")),
("findrootparts", findRootParts, ("intf", "id", "dispatch", "dir", "instPath")),
("findinstall", ("dispatch", "intf", "id", "instPath")),
("installtype", ("dispatch", "id", "method", "intf")),
("zfcpconfig", ("id.zfcp", "id.diskset", "intf")),
("partitionobjinit", partitionObjectsInitialize, ("id.diskset",
"id.partitions",
"dir", "intf",
"dispatch")),
("parttype", ("id.diskset", "id.partitions", "intf", "dispatch")),
("autopartitionexecute", doAutoPartition, ("dir", "id.diskset",
"id.partitions", "intf",
"id.instClass", "dispatch")),
("partition", ("id.fsset", "id.diskset", "id.partitions", "intf")),
("upgrademount", upgradeMountFilesystems, ("intf", "id.upgradeRoot",
"id.fsset", "instPath")),
("upgradecontinue", queryUpgradeContinue, ("intf", "dir")),
("upgradeswapsuggestion", upgradeSwapSuggestion, ("dispatch", "id",
"instPath")),
("addswap", ("intf", "id.fsset", "instPath",
"id.upgradeSwapInfo", "dispatch")),
("partitiondone", partitioningComplete, ("id.bootloader", "id.fsset",
"id.diskset", "id.partitions",
"intf", "instPath", "dir")),
("upgrademigfind", upgradeMigrateFind, ("dispatch", "id.fsset")),
("upgrademigratefs", ("id.fsset",)),
("upgbootloader", ("dispatch", "id.bootloader")),
("bootloadersetup", bootloaderSetupChoices, ("dispatch", "id.bootloader",
"id.fsset", "id.diskset",
"dir")),
("bootloader", ("dispatch", "id.bootloader", "id.fsset", "id.diskset")),
("bootloaderadvanced", ("dispatch", "id.bootloader", "id.fsset",
"id.diskset")),
("networkdevicecheck", networkDeviceCheck, ("id.network", "dispatch")),
("network", ("id.network", "dir", "intf", "id")),
("timezone", ("id.instLanguage", "id.timezone")),
("accounts", ("intf", "id.rootPassword")),
("preselection", doPreSelection, ("backend","intf", "id", "instPath")),
("group-selection", ("backend", "intf")),
("postselection", doPostSelection, ("backend", "intf", "id", "instPath")),
#("desktopchoice", ("intf", "id.instClass", "dispatch", "id.grpset")),
#("findpackages", upgradeFindPackages, ("intf", "method", "id", "instPath", "dir")),
#("selectlangpackages", selectLanguageSupportGroups, ("id.grpset","id.instLanguage")),
#("package-selection", ("id.grpset", "id.instLanguage", "id.instClass", "dispatch")),
#("indivpackage", ("id.grpset",)),
#("handleX11pkgs", handleX11Packages, ("dir", "intf", "dispatch",
# "id", "instPath")),
#("handlemiscpkgs", handleMiscPackages, ("intf", "id", "dir")),
#("fixupconditionals", fixupConditionals, ("id.grpset",)),
#("postselection", doPostSelection, ("backend", "intf", "id", "instPath")),
#XXX: factor to backend
#("checkdeps", checkDependencies, ("dir", "intf", "dispatch", "id", "instPath")),
#("dependencies", ("id.grpset", "id.dependencies")),
("confirminstall", ("intf", "id",)),
("confirmupgrade", ("intf", "id",)),
("install", ("dir", "intf", "id")),
("enablefilesystems", turnOnFilesystems, ("dir", "id.fsset",
"id.diskset", "id.partitions",
"id.upgrade", "instPath")),
("migratefilesystems", doMigrateFilesystems, ("dir", "id.fsset",
"id.diskset", "id.upgrade",
"instPath")),
("setuptime", setupTimezone, ("id.timezone", "id.upgrade", "instPath",
"dir")),
("preinstallconfig", doPreInstall, ("backend", "intf", "id", "instPath", "dir")),
("installpackages", doInstall, ("backend", "intf", "id", "instPath")),
("postinstallconfig", doPostInstall, ("backend", "intf", "id", "instPath")),
("writeconfig", writeConfiguration, ("id", "instPath")),
("firstboot", firstbootConfiguration, ("id", "instPath")),
("instbootloader", writeBootloader, ("intf", "instPath", "id.fsset",
"id.bootloader", "id.instLanguage",
"backend")),
("writexconfig", writeXConfiguration, ("id", "instPath")),
("writeksconfig", writeKSConfiguration, ("id", "instPath")),
("setfilecon", setFileCons, ("instPath","id.partitions")),
("copylogs", copyAnacondaLogs, ("instPath",)),
("dopostaction", doPostAction, ("id", "instPath")),
("methodcomplete", doMethodComplete, ("method", "id.fsset")),
("complete", ()),
]
class Dispatcher:
def gotoPrev(self):
self.dir = -1
self.moveStep()
def gotoNext(self):
self.dir = 1
self.moveStep()
def canGoBack(self):
# begin with the step before this one. If all steps are skipped,
# we can not go backwards from this screen
i = self.step - 1
while i >= self.firstStep:
if not self.skipSteps.has_key(installSteps[i][0]):
return 1
i = i - 1
return 0
def setStepList(self, *steps):
# only remove non-permanently skipped steps from our skip list
for step, state in self.skipSteps.items():
if state == 1:
del self.skipSteps[step]
stepExists = {}
for step in installSteps:
name = step[0]
if not name in steps:
self.skipSteps[name] = 1
stepExists[name] = 1
for name in steps:
if not stepExists.has_key(name):
#XXX: hack for yum support
#raise KeyError, ("step %s does not exist" % name)
log.warning("step %s does not exist", name)
def stepInSkipList(self, step):
return self.skipSteps.has_key(step)
def skipStep(self, stepToSkip, skip = 1, permanent = 0):
for step in installSteps:
name = step[0]
if name == stepToSkip:
if skip:
if permanent:
self.skipSteps[name] = 2
elif not self.skipSteps.has_key(name):
self.skipSteps[name] = 1
elif self.skipSteps.has_key(name):
# if marked as permanent then dont change
if self.skipSteps[name] != 2:
del self.skipSteps[name]
return
#raise KeyError, ("unknown step %s" % stepToSkip)
log.warning("step %s does not exist", name)
def moveStep(self):
if self.step == None:
self.step = self.firstStep
else:
self.step = self.step + self.dir
if self.step >= len(installSteps):
return None
while ((self.step >= self.firstStep
and self.step < len(installSteps))
and (self.skipSteps.has_key(installSteps[self.step][0])
or (type(installSteps[self.step][1]) == FunctionType))):
info = installSteps[self.step]
if ((type(info[1]) == FunctionType)
and (not self.skipSteps.has_key(info[0]))):
log.info("moving (%d) to step %s" %(self.dir, info[0]))
(func, args) = info[1:]
rc = apply(func, self.bindArgs(args))
if rc == DISPATCH_BACK:
self.dir = -1
elif rc == DISPATCH_FORWARD:
self.dir = 1
# if anything else, leave self.dir alone
self.step = self.step + self.dir
if self.step == len(installSteps):
return None
if (self.step < 0):
# pick the first step not in the skip list
self.step = 0
while self.skipSteps.has_key(installSteps[self.step][0]):
self.step = self.step + 1
elif self.step >= len(installSteps):
self.step = len(installSteps) - 1
while self.skipSteps.has_key(installSteps[self.step][0]):
self.step = self.step - 1
log.info("moving (%d) to step %s" %(self.dir, installSteps[self.step][0]))
def bindArgs(self, args):
newArgs = ()
for arg in args:
obj = self
for item in string.split(arg, '.'):
if not obj.__dict__.has_key(item):
exec "obj = self.%s" %(arg,)
break
obj = obj.__dict__[item]
newArgs = newArgs + (obj,)
return newArgs
def currentStep(self):
if self.step == None:
self.gotoNext()
elif self.step >= len(installSteps):
return (None, None)
stepInfo = installSteps[self.step]
step = stepInfo[0]
args = self.bindArgs(stepInfo[1])
return (step, args)
def __init__(self, intf, id, method, instPath, backend):
self.dir = DISPATCH_FORWARD
self.step = None
self.skipSteps = {}
self.id = id
self.flags = flags
self.intf = intf
self.method = method
self.dispatch = self
self.instPath = instPath
self.backend = backend
self.firstStep = 0
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