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# Install method for disk image installs (CD & NFS)
from comps import ComponentSet, HeaderListFromFile
from installmethod import InstallMethod
import iutil
import os
import isys
import time
import kudzu
import string
from translate import _
from log import log
class ImageInstallMethod(InstallMethod):
def readComps(self, hdlist):
return ComponentSet(self.tree + '/RedHat/base/comps', hdlist)
def getFilename(self, h, timer):
return self.tree + "/RedHat/RPMS/" + h[1000000]
def readHeaders(self):
return HeaderListFromFile(self.tree + "/RedHat/base/hdlist")
def mergeFullHeaders(self, hdlist):
hdlist.mergeFullHeaders(self.tree + "/RedHat/base/hdlist2")
def writeCleanupPath(self, f):
isys.makeDevInode("loop0", "/tmp/loop0")
f.write("umount /mnt/runtime\n")
f.write("lounsetup /tmp/loop0\n")
def __init__(self, tree):
InstallMethod.__init__(self)
self.tree = tree
class CdromInstallMethod(ImageInstallMethod):
def systemUnmounted(self):
if self.loopbackFile:
isys.makeDevInode("loop0", "/tmp/loop")
isys.lochangefd("/tmp/loop",
"%s/RedHat/base/stage2.img" % self.tree)
self.loopbackFile = None
def systemMounted(self, fsset, chroot, selected):
changeloop=0
for p in selected:
if p[1000002] and p[1000002] > 1:
changeloop=1
break
if changeloop == 0:
return
self.loopbackFile = "%s%s%s" % (chroot,
fsset.filesystemSpace(chroot)[0][0],
"/rhinstall-stage2.img")
try:
iutil.copyFile("%s/RedHat/base/stage2.img" % self.tree,
self.loopbackFile,
(self.progressWindow, _("Copying File"),
_("Transferring install image to hard drive...")))
except:
self.messageWindow(_("Error"),
_("An error occured transferring the install image "
"to your hard drive. You are probably out of disk "
"space."))
os.unlink(self.loopbackFile)
return 1
isys.makeDevInode("loop0", "/tmp/loop")
isys.lochangefd("/tmp/loop", self.loopbackFile)
def getFilename(self, h, timer):
if h[1000002] == None:
log ("header for %s has no disc location tag, assuming it's"
"on the current CD", h[1000000])
elif h[1000002] != self.currentDisc:
timer.stop()
key = ".disc%d-%s" % (self.currentDisc, iutil.getArch())
f = open("/mnt/source/" + key)
timestamp = f.readline()
f.close()
self.currentDisc = h[1000002]
isys.umount("/mnt/source")
done = 0
key = "/mnt/source/.disc%d-%s" % (self.currentDisc, iutil.getArch())
cdlist = []
for (dev, something, descript) in \
kudzu.probe(kudzu.CLASS_CDROM, kudzu.BUS_UNSPEC, 0):
if dev != self.device:
cdlist.append(dev)
for dev in cdlist:
try:
if not isys.mount(dev, "/mnt/source", fstype = "iso9660",
readOnly = 1):
if os.access(key, os.O_RDONLY):
f = open(key)
newStamp = f.readline()
f.close()
if newStamp == timestamp:
done = 1
if not done:
isys.umount("/mnt/source")
except:
pass
if not done:
isys.ejectCdrom(self.device)
while not done:
self.messageWindow(_("Change CDROM"),
_("Please insert disc %d to continue.") % self.currentDisc)
try:
if isys.mount(self.device, "/mnt/source",
fstype = "iso9660", readOnly = 1):
time.sleep(3)
isys.mount(self.device, "/mnt/source",
fstype = "iso9660", readOnly = 1)
if os.access(key, os.O_RDONLY):
f = open(key)
newStamp = f.readline()
f.close()
if newStamp == timestamp:
done = 1
if not done:
self.messageWindow(_("Wrong CDROM"),
_("That's not the correct Red Hat CDROM."))
isys.umount("/mnt/source")
isys.ejectCdrom(self.device)
except:
self.messageWindow(_("Error"),
_("The CDROM could not be mounted."))
timer.start()
return self.tree + "/RedHat/RPMS/" + h[1000000]
def filesDone(self):
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 writeCleanupPath(self, f):
isys.makeDevInode("loop0", "/tmp/loop0")
isys.makeDevInode(self.device, "/tmp/cdrom")
f.write("umount /mnt/runtime\n")
f.write("lounsetup /tmp/loop0\n")
f.write("umount /mnt/source\n")
f.write("eject /tmp/cdrom\n")
def __init__(self, url, messageWindow, progressWindow):
(self.device, tree) = string.split(url, "/", 1)
self.messageWindow = messageWindow
self.progressWindow = progressWindow
self.currentDisc = 1
self.loopbackFile = None
ImageInstallMethod.__init__(self, "/" + tree)
class NfsInstallMethod(ImageInstallMethod):
def __init__(self, tree):
ImageInstallMethod.__init__(self, tree)
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