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#
# urlinstall.py - URL based install source method
#
# Erik Troan <ewt@redhat.com>
#
# Copyright 1999-2007 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.
#
from installmethod import InstallMethod
import os
import time
import shutil
import string
import socket
import urlparse
import urlgrabber.grabber as grabber
import isys
from snack import *
from constants import *
from rhpl.translate import _
import logging
log = logging.getLogger("anaconda")
class UrlInstallMethod(InstallMethod):
def systemMounted(self, fsset, chroot):
if self.tree is None:
return
if not os.path.exists("%s/images/stage2.img" %(self.tree,)):
log.debug("Not copying stage2.img as we can't find it")
return
self.loopbackFile = "%s%s%s" % (chroot,
fsset.filesystemSpace(chroot)[0][0],
"/rhinstall-stage2.img")
try:
win = self.waitWindow (_("Copying File"),
_("Transferring install image to hard drive..."))
shutil.copyfile("%s/images/stage2.img" % (self.tree,),
self.loopbackFile)
win.pop()
except Exception, e:
if win:
win.pop()
log.critical("error transferring stage2.img: %s" %(e,))
self.messageWindow(_("Error"),
_("An error occurred transferring the install image "
"to your hard drive. You are probably out of disk "
"space."))
os.unlink(self.loopbackFile)
return 1
isys.lochangefd("/dev/loop0", self.loopbackFile)
def getMethodUri(self):
return self.baseUrl
def unmountCD(self):
if not self.tree:
return
done = 0
while done == 0:
try:
isys.umount("/mnt/source")
break
except Exception, e:
log.error("exception in unmountCD: %s" %(e,))
self.messageWindow(_("Error"),
_("An error occurred unmounting the disc. "
"Please make sure you're not accessing "
"%s from the shell on tty2 "
"and then click OK to retry.")
% ("/mnt/source",))
def filesDone(self):
# we're trying to unmount the CD here. if it fails, oh well,
# they'll reboot soon enough I guess :)
try:
isys.umount("/mnt/source")
except Exception:
pass
if not self.loopbackFile: return
try:
# this isn't the exact right place, but it's close enough
os.unlink(self.loopbackFile)
except SystemError:
pass
def __init__(self, url, rootPath, intf):
InstallMethod.__init__(self, url, rootPath, intf)
(scheme, netloc, path, query, fragid) = urlparse.urlsplit(url)
try:
socket.inet_pton(socket.AF_INET6, netloc)
netloc = '[' + netloc + ']'
except:
pass
# encoding fun so that we can handle absolute paths
if scheme == "ftp" and path and path.startswith("//"):
path = "/%2F" + path[1:]
self.baseUrl = urlparse.urlunsplit((scheme,netloc,path,query,fragid))
self.pkgUrl = self.baseUrl
self.currentMedia = []
self.messageWindow = intf.messageWindow
self.progressWindow = intf.progressWindow
self.waitWindow = intf.waitWindow
self.loopbackFile = None
self.tree = "/mnt/source"
for path in ("/tmp/ramfs/stage2.img", "/tmp/ramfs/minstg2.img"):
if os.access(path, os.R_OK):
# we used a remote stage2. no need to worry about ejecting CDs
self.tree = None
break
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