# Install method for disk image installs (CD & NFS) from comps import ComponentSet, HeaderList, HeaderListFromFile from installmethod import InstallMethod import os import isys import iutil import rpm import string from translate import _, cat, N_ import todo FILENAME = 1000000 # Install from a set of files laid out on the hard drive like a CD class OldHardDriveInstallMethod(InstallMethod): def mountMedia(self): if (self.isMounted): raise SystemError, "trying to mount already-mounted image!" f = open("/proc/mounts", "r") l = f.readlines() f.close() for line in l: s = string.split(line) if s[0] == "/tmp/" + self.device: self.tree = s[1] + "/" return isys.mount(self.device, "/tmp/hdimage", fstype = self.fstype, readOnly = 1); self.tree = "/tmp/hdimage/" self.isMounted = 1 def umountMedia(self): if self.isMounted: isys.umount(self.tree) self.tree = None self.isMounted = 0 def readComps(self, hdlist): self.mountMedia() cs = ComponentSet(self.tree + self.path + '/RedHat/base/comps', hdlist) self.umountMedia() return cs def getFilename(self, h, timer): return self.tree + self.path + "/RedHat/RPMS/" + self.fnames[h] def readHeaders(self): self.mountMedia() hl = [] path = self.tree + self.path + "/RedHat/RPMS" for n in os.listdir(path): fd = os.open(path + "/" + n, 0) try: (h, isSource) = rpm.headerFromPackage(fd) if (h and not isSource): self.fnames[h] = n hl.append(h) except: pass os.close(fd) self.umountMedia() return HeaderList(hl) def mergeFullHeaders(self, hdlist): # since we read headers from the disk, we don't need to do this pass def systemMounted(self, fstab, mntPoint, selected): self.mountMedia() def filesDone(self): self.umountMedia() def protectedPartitions(self): rc = [] rc.append(self.device) return rc def __init__(self, device, type, path): InstallMethod.__init__(self) self.device = device self.path = path self.fstype = type self.fnames = {} self.isMounted = 0 # Install from one or more iso images class HardDriveInstallMethod(InstallMethod): # mounts disc image cdNum under self.tree def mountMedia(self, cdNum): if (self.mediaIsMounted): raise SystemError, "trying to mount already-mounted iso image!" self.mountDirectory() isoImage = self.isoDir + '/' + self.path + '/' + self.discImages[cdNum] isys.makeDevInode("loop2", "/tmp/loop2") isys.losetup("/tmp/loop2", isoImage, readOnly = 1) isys.mount("loop2", "/tmp/hdimage", fstype = 'iso9660', readOnly = 1); self.tree = "/tmp/hdimage/" self.mediaIsMounted = cdNum def umountMedia(self): if self.mediaIsMounted: isys.umount(self.tree) isys.makeDevInode("loop2", "/tmp/loop2") isys.unlosetup("/tmp/loop2") self.umountDirectory() self.tree = None self.mediaIsMounted = 0 # This mounts the directory containing the iso images, and places the # mount point in self.isoDir. It's only used directly by __init__; # everything else goes through mountMedia def mountDirectory(self): if (self.isoDirIsMounted): raise SystemError, "trying to mount already-mounted image!" f = open("/proc/mounts", "r") l = f.readlines() f.close() for line in l: s = string.split(line) if s[0] == "/tmp/" + self.device: self.isoDir = s[1] + "/" return isys.mount(self.device, "/tmp/isodir", fstype = self.fstype, readOnly = 1); self.isoDir = "/tmp/isodir/" self.isoDirIsMounted = 1 def umountDirectory(self): if self.isoDirIsMounted: isys.umount(self.isoDir) self.tree = None self.isoDirIsMounted = 0 def readComps(self, hdlist): self.mountMedia(1) cs = ComponentSet(self.tree + '/RedHat/base/comps', hdlist) self.umountMedia() return cs def getFilename(self, h, timer): if self.mediaIsMounted != h[1000002]: self.umountMedia() self.mountMedia(h[1000002]) return self.tree + "/RedHat/RPMS/" + h[1000000] def readHeaders(self): self.mountMedia(1) hl = HeaderListFromFile(self.tree + "/RedHat/base/hdlist") self.umountMedia() # Make sure all of the correct CD images are available for h in hl.values(): import sys if not self.discImages.has_key(h[1000002]): self.messageWindow(_("Error"), _("Missing CD #%d, which is required for the " "install.") % h[1000002]) sys.exit(0) return hl def mergeFullHeaders(self, hdlist): self.mountMedia(1) hdlist.mergeFullHeaders(self.tree + "/RedHat/base/hdlist2") self.umountMedia() def systemMounted(self, fstab, mntPoint, selected): self.mountMedia(1) def filesDone(self): self.umountMedia() def protectedPartitions(self): rc = [] rc.append(self.device) return rc def __init__(self, device, type, path, messageWindow): InstallMethod.__init__(self) self.device = device self.path = path self.fstype = type self.fnames = {} self.isoDirIsMounted = 0 self.mediaIsMounted = 0 self.discImages = {} self.messageWindow = messageWindow # Go ahead and poke through the directory looking for interesting # iso images self.mountDirectory() files = os.listdir(self.isoDir + '/' + self.path) arch = iutil.getArch() for file in files: what = self.isoDir + '/' + self.path + '/' + file if not isys.isIsoImage(what): continue isys.makeDevInode("loop2", "/tmp/loop2") try: isys.losetup("/tmp/loop2", what, readOnly = 1) except SystemError: continue try: isys.mount("loop2", "/mnt/cdimage", fstype = "iso9660", readOnly = 1) for num in range(1, 10): discTag = "/mnt/cdimage/.disc%d-%s" % (num, arch) if os.access(discTag, os.R_OK): import stat # warn user if images appears to be wrong size if os.stat(what)[stat.ST_SIZE] % 2048: rc = messageWindow(_("Warning"), "The ISO image %s has a size which is not " "a multiple of 2048 bytes. This may mean " "it was corrupted on transfer to this computer." "\n\nPress OK to continue (but installation will " "probably fail), or Cancel to exit the " "installer (RECOMMENDED). " % file, type = "okcancel").getrc() if rc: import sys sys.exit(0) self.discImages[num] = file isys.umount("/mnt/cdimage") except SystemError: pass isys.makeDevInode("loop2", '/tmp/' + "loop2") isys.unlosetup("/tmp/loop2") self.umountDirectory()