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|
#
# backend.py: Interface for installation backends
#
# Paul Nasrat <pnasrat@redhat.com>
# Jeremy Katz <katzj@redhat.com>
#
# Copyright (c) 2005 Red Hat, Inc.
#
# This software may be freely redistributed under the terms of the GNU
# general public license.
#
# 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., 675 Mass Ave, Cambridge, MA 02139, USA.
#
import iutil
import os, sys
import logging
from syslogd import syslog
from rhpl.translate import _
from flags import flags
log = logging.getLogger("anaconda")
class AnacondaBackend:
def __init__(self, method, instPath):
"""Abstract backend class all backends should inherit from this
@param method: Object of InstallMethod type
@param instPath: root path for the installation to occur"""
self.method = method
self.instPath = instPath
self.instLog = None
self.modeText = ""
def doPreSelection(self, intf, id, instPath):
pass
def doPostSelection(self, intf, id, instPath):
pass
def doPreInstall(self, intf, id, instPath, dir):
pass
def doPostInstall(self, intf, id, instPath):
sys.stdout.flush()
if flags.setupFilesystems:
syslog.stop()
def doInstall(self, intf, id, instPath):
pass
def initLog(self, id, instPath):
upgrade = id.getUpgrade()
if upgrade:
logname = '/root/upgrade.log'
else:
logname = '/root/install.log'
instLogName = instPath + logname
try:
iutil.rmrf (instLogName)
except OSError:
pass
instLog = open(instLogName, "w+")
if upgrade:
logname = '/root/upgrade.log'
else:
logname = '/root/install.log'
instLogName = instPath + logname
try:
iutil.rmrf (instLogName)
except OSError:
pass
self.instLog = open(instLogName, "w+")
# dont start syslogd if we arent creating filesystems
if flags.setupFilesystems:
syslogname = "%s%s.syslog" % (instPath, logname)
try:
iutil.rmrf (syslogname)
except OSError:
pass
syslog.start (instPath, syslogname)
else:
syslogname = None
if upgrade:
self.modeText = _("Upgrading %s-%s-%s.%s.\n")
else:
self.modeText = _("Installing %s-%s-%s.%s.\n")
def kernelVersionList(self):
pass
def doInitialSetup(self, id, instPath):
pass
def doRepoSetup(self, intf, instPath):
log.warning("doRepoSetup not implemented for backend!")
pass
def groupExists(self, group):
log.warning("groupExists not implemented for backend!")
pass
def selectGroup(self, group, *args):
log.warning("selectGroup not implemented for backend!")
pass
def deselectGroup(self, group, *args):
log.warning("deselectGroup not implemented for backend!")
pass
def packageExists(self, pkg):
log.warning("packageExists not implemented for backend!")
pass
def selectPackage(self, pkg, *args):
log.warning("selectPackage not implemented for backend!")
pass
def deselectPackage(self, pkg, *args):
log.warning("deselectPackage not implemented for backend!")
pass
def getDefaultGroups(self):
log.warning("getDefaultGroups not implemented for backend!")
pass
def writePackagesKS(self, f):
log.warning("writePackagesKS not implemented for backend!")
pass
def writeConfiguration(self):
log.warning("writeConfig not implemented for backend!")
pass
def doRepoSetup(backend, intf, id, instPath):
backend.doInitialSetup(id, instPath)
backend.doRepoSetup(intf, instPath)
def doPostSelection(backend, intf, id, instPath):
backend.doPostSelection(intf, id, instPath)
def doPreInstall(backend, intf, id, instPath, dir):
backend.doPreInstall(intf, id, instPath, dir)
def doPostInstall(backend, intf, id, instPath):
backend.doPostInstall(intf, id, instPath)
def doInstall(backend, intf, id, instPath):
backend.doInstall(intf, id, instPath)
# does this need to be per-backend? we'll just leave here until it does :)
def doBasePackageSelect(backend, instClass):
instClass.setPackageSelection(backend)
instClass.setGroupSelection(backend)
def writeConfiguration(backend, id, instPath):
log.info("Writing main configuration")
if not flags.test:
backend.writeConfiguration()
id.write(instPath)
|
