import string import os from lilo import LiloConfigFile import _silo import iutil import isys class SiloInstall: def allowSiloLocationConfig(self, fstab): bootDevice = fstab.getBootDevice() if bootDevice[0:2] == "md": self.setDevice(("raid", bootDevice)) return None return 1 def checkUFS(self, dev): f = open("/proc/mounts","r") lines = f.readlines () f.close () mounted = None ufstype = None for line in lines: fields = string.split (line) if fields[0] == '/dev/' + dev and fields[2] == 'ufs': mounted = fields[1] if not mounted: try: os.mkdir ("/tmp/ufsmntpoint") isys.makeDevInode (dev, "/tmp/" + dev) isys.mount ("/tmp/" + dev, "/tmp/ufsmntpoint", "ufs") except: try: os.remove ("/tmp/" + dev) except: pass try: os.rmdir ("/tmp/ufsmntpoint") except: pass return None root = "/tmp/ufsmntpoint" else: root = mounted if os.access (root + "/etc/system", os.X_OK): if os.access (root + "/kernel/unix", os.X_OK): ufstype = "Solaris" elif os.access (root + "/kernel/genunix", os.X_OK): ufstype = "Solaris" if os.access (root + "/vmunix", os.X_OK) or os.access (root + "/stand", os.X_OK): if os.access (root + "/bin/sh", os.X_OK): # Check if /bin/sh is a.out SPARC binary aout = None try: f = open (root + "/bin/sh", "r") aout = f.read(4) f.close() except: pass if aout and len(aout) == 4 and aout[1] == "\x03" and aout[2] == "\x01": if aout[3] == "\x07" or aout[3] == "\x08" or aout[3] == "\x0b": ufstype = "SunOS" if not mounted: try: isys.umount ("/tmp/ufsmntpoint") except: pass try: os.rmdir ("/tmp/ufsmntpoint") except: pass try: os.remove ("/tmp/" + dev) except: pass return ufstype def setSiloImages(self, images): self.siloImages = images def getSiloImages(self, fstab): (drives, raid) = fstab.raidList() # rearrange the fstab so it's indexed by device mountsByDev = {} for (mntpoint, device, fsystem, doFormat, size) in \ fstab.mountList(): mountsByDev[device] = mntpoint for (mntpoint, device, fstype, raidType, start, size, makeup) in raid: mountsByDev[device] = mntpoint drives.append(device, "", 2, 0, 0) for (device, mntpoint, fsystem, makeup) in fstab.existingRaidList(): mountsByDev[device] = mntpoint drives.append(device, "", 2, 0, 0) oldImages = {} for dev in self.siloImages.keys(): oldImages[dev] = self.siloImages[dev] self.siloImages = {} nSolaris = 0 nSunOS = 0 for (dev, devName, type, start, size) in drives: # ext2 and raid partitions get listed if # 1) they're / # 2) they're not mounted # and contain /boot of # some Linux installation # FIXME: For now only list / and UFS partitions, # for 7.0 write code which will read and parse silo.conf from other # Linux partitions and merge it in (after required device # substitions etc. # only list ext2 and ufs partitions if type != 2 and type != 6: continue if (mountsByDev.has_key(dev)): if mountsByDev[dev] == '/': self.siloImages[dev] = ("linux", 2) elif type == 6: if not oldImages.has_key(dev): self.siloImages[dev] = ("", type) else: self.siloImages[dev] = oldImages[dev] ostype = self.checkUFS(dev) if ostype == "Solaris": if nSolaris == 0: self.siloImages[dev] = ("solaris", type) else: self.siloImages[dev] = ("solaris%d" % nSolaris, type) nSolaris = nSolaris + 1 elif ostype == "SunOS": if nSunOS == 0: self.siloImages[dev] = ("sunos", type) else: self.siloImages[dev] = ("sunos%d" % nSunOS, type) nSunOS = nSunOS + 1 return (self.siloImages, self.default) def getSiloMbrDefault(self, fstab): # Check partition at cylinder 0 on the boot disk # is /, /boot or Linux swap bootpart = fstab.getBootDevice() if bootpart[:2] == "md": return "mbr" i = len (bootpart) - 1 while i > 0 and bootpart[i] in string.digits: i = i - 1 boothd = bootpart[:i+1] (drives, raid) = fstab.partitionList() for (dev, devName, type, start, size) in drives: i = len (dev) - 1 while i > 0 and dev[i] in string.digits: i = i - 1 devhd = dev[:i+1] if devhd == boothd and start == 0: if type == 5: return "mbr" elif type == 2: if dev == bootpart: return "mbr" elif dev == fstab.getRootDevice()[0]: return "mbr" return "partition" return "partition" def hasUsableFloppy(self): try: f = open("/proc/devices", "r") except: return 0 lines = f.readlines () f.close () for line in lines: if string.strip (line) == "2 fd": name = _silo.promRootName() if name and name[0:10] == 'SUNW,Ultra' and string.find(name, "Engine") == -1: # Seems like SMCC Ultra box. It is highly probable # the floppies will be unbootable return 1 return 2 return 0 def setPROM(self, linuxAlias, bootDevice): self.linuxAlias = linuxAlias self.bootDevice = bootDevice def hasAliases(self): return _silo.hasAliases() def disk2PromPath(self,dev): return _silo.disk2PromPath(dev) def makeInitrd (self, kernelTag, instRoot): initrd = "/boot/initrd%s.img" % (kernelTag, ) if not self.initrdsMade.has_key(initrd): iutil.execWithRedirect("/sbin/mkinitrd", [ "/sbin/mkinitrd", "--ifneeded", initrd, kernelTag[1:] ], stdout = None, stderr = None, searchPath = 1, root = instRoot) self.initrdsMade[kernelTag] = 1 return initrd def getMbrDevices(self, fstab): bootpart = fstab.getBootDevice() mbrdevs = [] if bootpart[:2] == "md": (devices, raid) = fstab.raidList() for (raidMntPoint, raidDevice, fsType, raidType, raidStart, raidSize, raidDevs) in raid: if raidDevice != bootpart: continue for raidDev in raidDevs: for (device, name, type, start, size) in devices: if name == raidDev: i = len(device) - 1 while i > 0 and device[i] in string.digits: i = i - 1 mbrdevs.append(device[:i+1]) else: # Do not use fstab.getMbrDevice() here i = len (bootpart) - 1 while i > 0 and bootpart[i] in string.digits: i = i - 1 mbrdevs.append(bootpart[:i+1]) return mbrdevs def getMbrDevice(self, fstab): return self.getMbrDevices(fstab)[0] def install(self, fstab, instRoot, hdList, upgrade): if not self.siloDevice: return silo = LiloConfigFile () if not self.siloImages: (images, default) = self.getSiloImages(fstab) self.setSiloImages(images) bootpart = fstab.getBootDevice() boothd = self.getMbrDevice(fstab) smpInstalled = (hdList.has_key('kernel-smp') and hdList['kernel-smp'].selected) rootDev = fstab.getRootDevice () if rootDev: # strip off the filesystem; we don't need it rootDev = rootDev[0] else: raise RuntimeError, "Installing silo, but there is no root device" args = [ "silo" ] if bootpart[:2] == "md": self.siloDevice = "mbr" else: if self.siloDevice != "mbr": args.append("-t") i = len (bootpart) - 1 while i > 0 and bootpart[i] in string.digits: i = i - 1 silo.addEntry("partition", bootpart[i+1:]) silo.addEntry("timeout", "50") silo.addEntry("root", '/dev/' + rootDev) silo.addEntry("read-only") kernelList = [] otherList = [] main = "linux" for (drive, (label, siloType)) in self.siloImages.items (): if (drive == rootDev) and label: main = label elif label: i = len(drive) - 1 while i > 0 and drive[i] in string.digits: i = i - 1 prompath = drive[:i+1] if bootpart[:2] != "md" and prompath == boothd: prompath = drive[i+1:] else: prompath = self.disk2PromPath(prompath) if prompath: if prompath[:3] == 'sd(': prompath = prompath + drive[i+1:] else: prompath = prompath + ";" + drive[i+1:] if prompath: otherList.append (label, prompath) silo.addEntry("default", main) label = main if (smpInstalled): kernelList.append((main, hdList['kernel-smp'], "smp")) label = main + "-up" kernelList.append((label, hdList['kernel'], "")) for (label, kernel, tag) in kernelList: kernelTag = "-%s-%s%s" % (kernel['version'], kernel['release'], tag) initrd = self.makeInitrd (kernelTag, instRoot) if rootDev == bootpart: kernelFile = "/boot/vmlinuz" + kernelTag initrdFile = initrd else: kernelFile = "/vmlinuz" + kernelTag initrdFile = initrd[5:] sl = LiloConfigFile() sl.addEntry("label", label) if os.access (instRoot + initrd, os.R_OK): sl.addEntry("initrd", initrdFile) if self.siloAppend: sl.addEntry('append', '"%s"' % self.siloAppend) silo.addImage ("image", kernelFile, sl) for (label, device) in otherList: sl = LiloConfigFile() sl.addEntry("label", label) silo.addImage ("other", device, sl) # for (siloType, name, config) in silo.images: # # remove entries for missing kernels (upgrade) # if siloType == "image": # if not os.access (todo.instPath + name, os.R_OK): # silo.delImage (name) # # remove entries for unbootable partitions # elif siloType == "other": # device = name[5:] # isys.makeDevInode(device, '/tmp/' + device) # if not isys.checkBoot ('/tmp/' + device): # lilo.delImage (name) # os.remove ('/tmp/' + device) # pass 2, remove duplicate entries labels = [] for (siloType, name, config) in silo.images: if not name in labels: labels.append (name) else: # duplicate entry, first entry wins silo.delImage (name) if fstab.getBootDevice() != fstab.getRootDevice()[0]: silo.write(instRoot + "/boot/silo.conf") try: os.remove(instRoot + "/etc/silo.conf") except: pass os.symlink("../boot/silo.conf", instRoot + "/etc/silo.conf") else: silo.write(instRoot + "/etc/silo.conf") if self.serial: messages = "/tmp/silo.log" else: messages = "/dev/tty3" iutil.execWithRedirect('/sbin/silo', args, stdout = None, root = instRoot) if bootpart[:2] == "md": mbrdevs = self.getMbrDevices(fstab) linuxAliases = [] for mbrdev in mbrdevs: device = mbrdev try: num = _silo.zeroBasedPart(instRoot + "/dev/" + mbrdev) if num: device = mbrdev + "%d" % num except: pass linuxAliases.append(self.disk2PromPath(device)) bootDevice = linuxAliases[0] linuxAlias = "" for alias in linuxAliases: if alias and alias != "": if linuxAlias != "": linuxAlias = linuxAlias + ";" linuxAlias = linuxAlias + alias elif self.siloDevice == "mbr": device = boothd try: num = _silo.zeroBasedPart(instRoot + "/dev/" + boothd) if num: device = boothd + "%d" % num except: pass linuxAlias = self.disk2PromPath(device) bootDevice = linuxAlias else: device = bootpart linuxAlias = self.disk2PromPath(device) bootDevice = linuxAlias if not (self.linuxAlias and self.hasAliases()): linuxAlias = "" if not self.bootDevice: bootDevice = "" if not linuxAlias: linuxAlias = "" _silo.setPromVars(linuxAlias,bootDevice) def setDevice(self, device): if (type(device) == type((1,))): self.siloDevice = device elif device != "mbr" and device != "partition" and device: raise ValueError, "device must be raid, mbr, partition, or None" self.siloDevice = device def setAppend(self, append): self.siloAppend = append def setDefault(self, default): for (label, fsType) in self.siloImages.values(): if label == default: self.default = default return raise IndexError, "unknown silo label %s" % (default,) def getLinear(self): return self.siloLinear def getDevice(self): return self.siloDevice def getAppend(self): return self.siloAppend def __init__(self, serial = 0): self.siloImages = {} self.siloDevice = 'mbr' self.siloLinear = 1 self.siloAppend = None self.default = None self.initrdsMade = {} self.serial = serial self.linuxAlias = 1 self.bootDevice = 1