urlfetcher: Drop old SUSE RPM hacking

This is for an old old distro which has seen servicepack-esque updates
that invalidate all this hacking. It's basically impossible to test
anyways.
This commit is contained in:
Cole Robinson 2013-08-09 09:33:47 -04:00
parent 7c55cfeb39
commit 737d3e60f3

View File

@ -21,7 +21,6 @@
import ConfigParser
import ftplib
import gzip
import logging
import os
import re
@ -422,10 +421,11 @@ def distroFromTreeinfo(fetcher, progresscb, uri, arch, vmtype=None,
return ob
# An image store is a base class for retrieving either a bootable
# ISO image, or a kernel+initrd pair for a particular OS distribution
class Distro:
class Distro(object):
"""
An image store is a base class for retrieving either a bootable
ISO image, or a kernel+initrd pair for a particular OS distribution
"""
name = ""
# osdict type and variant values
@ -589,8 +589,10 @@ class Distro:
class GenericDistro(Distro):
"""Generic distro store. Check well known paths for kernel locations
as a last resort if we can't recognize any actual distro"""
"""
Generic distro store. Check well known paths for kernel locations
as a last resort if we can't recognize any actual distro
"""
name = "Generic"
os_type = "linux"
@ -666,10 +668,11 @@ class GenericDistro(Distro):
return fetcher.acquireFile(self._valid_iso_path, progresscb)
# Base image store for any Red Hat related distros which have
# a common layout
class RedHatDistro(Distro):
"""
Base image store for any Red Hat related distros which have
a common layout
"""
name = "Red Hat"
os_type = "linux"
@ -686,7 +689,6 @@ class RedHatDistro(Distro):
# Fedora distro check
class FedoraDistro(RedHatDistro):
name = "Fedora"
def isValidStore(self, fetcher, progresscb):
@ -724,11 +726,9 @@ class FedoraDistro(RedHatDistro):
return ret, int(ret[6:])
# Red Hat Enterprise Linux distro check
class RHELDistro(RedHatDistro):
name = "Red Hat Enterprise Linux"
def isValidStore(self, fetcher, progresscb):
@ -807,7 +807,6 @@ class RHELDistro(RedHatDistro):
# CentOS distro check
class CentOSDistro(RHELDistro):
name = "CentOS"
def isValidStore(self, fetcher, progresscb):
@ -825,11 +824,9 @@ class CentOSDistro(RHELDistro):
return True
return False
# Scientific Linux distro check
class SLDistro(RHELDistro):
name = "Scientific Linux"
_boot_iso_paths = RHELDistro._boot_iso_paths + ["images/SL/boot.iso"]
@ -867,7 +864,6 @@ class SLDistro(RHELDistro):
# Suse image store is harder - we fetch the kernel RPM and a helper
# RPM and then munge bits together to generate a initrd
class SuseDistro(Distro):
name = "SUSE"
os_type = "linux"
method_arg = "install"
@ -903,203 +899,6 @@ class SuseDistro(Distro):
return True
return False
def acquireKernel(self, guest, fetcher, progresscb):
# If installing a fullvirt guest
if self.type is None or self.type == "hvm" or \
fetcher.hasFile("boot/%s/vmlinuz-xen" % self.arch):
return Distro.acquireKernel(self, guest, fetcher, progresscb)
# For Opensuse <= 10.2, we need to perform some heinous stuff
logging.debug("Trying Opensuse 10 PV rpm hacking")
return self._findXenRPMS(fetcher, progresscb)
def _findXenRPMS(self, fetcher, progresscb):
kernelrpm = None
installinitrdrpm = None
filelist = None
try:
# There is no predictable filename for kernel/install-initrd RPMs
# so we have to grok the filelist and find them
filelist = fetcher.acquireFile("ls-lR.gz", progresscb)
(kernelrpmname, initrdrpmname) = self._extractRPMNames(filelist)
# Now fetch the two RPMs we want
kernelrpm = fetcher.acquireFile(kernelrpmname, progresscb)
installinitrdrpm = fetcher.acquireFile(initrdrpmname, progresscb)
# Process the RPMs to extract the kernel & generate an initrd
return self._buildKernelInitrd(fetcher, kernelrpm, installinitrdrpm, progresscb)
finally:
if filelist is not None:
os.unlink(filelist)
if kernelrpm is not None:
os.unlink(kernelrpm)
if installinitrdrpm is not None:
os.unlink(installinitrdrpm)
# We need to parse the ls-lR.gz file, looking for the kernel &
# install-initrd RPM entries - capturing the directory they are
# in and the version'd filename.
def _extractRPMNames(self, filelist):
filelistData = gzip.GzipFile(filelist, mode="r")
try:
arches = [self.arch]
# On i686 arch, we also look under i585 and i386 dirs
# in case the RPM is built for a lesser arch. We also
# need the PAE variant (for Fedora dom0 at least)
if self.arch == "i386":
arches.append("i586")
arches.append("i686")
kernelname = "kernel-xenpae"
else:
kernelname = "kernel-xen"
installinitrdrpm = None
kernelrpm = None
dirname = None
while 1:
data = filelistData.readline()
if not data:
break
if dirname is None:
for arch in arches:
wantdir = "/suse/" + arch
if data == "." + wantdir + ":\n":
dirname = wantdir
break
else:
if data == "\n":
dirname = None
else:
if data[:5] != "total":
filename = re.split("\s+", data)[8]
if filename[:14] == "install-initrd":
installinitrdrpm = dirname + "/" + filename
elif filename[:len(kernelname)] == kernelname:
kernelrpm = dirname + "/" + filename
if kernelrpm is None:
raise Exception(_("Unable to determine kernel RPM path"))
if installinitrdrpm is None:
raise Exception(_("Unable to determine install-initrd RPM path"))
return (kernelrpm, installinitrdrpm)
finally:
filelistData.close()
# We have a kernel RPM and a install-initrd RPM with a generic initrd in it
# Now we have to merge the two together to build an initrd capable of
# booting the installer.
#
# Yes, this is crazy ass stuff :-)
def _buildKernelInitrd(self, fetcher, kernelrpm, installinitrdrpm, progresscb):
progresscb.start(text=_("Building initrd"), size=11)
progresscb.update(1)
cpiodir = tempfile.mkdtemp(prefix="virtinstcpio.", dir=self.scratchdir)
try:
# Extract the kernel RPM contents
os.mkdir(cpiodir + "/kernel")
cmd = "cd " + cpiodir + "/kernel && (rpm2cpio " + kernelrpm + " | cpio --quiet -idm)"
logging.debug("Running " + cmd)
os.system(cmd)
progresscb.update(2)
# Determine the raw kernel version
kernelinfo = None
for f in os.listdir(cpiodir + "/kernel/boot"):
if f.startswith("System.map-"):
kernelinfo = re.split("-", f)
kernel_override = kernelinfo[1] + "-override-" + kernelinfo[3]
kernel_version = kernelinfo[1] + "-" + kernelinfo[2] + "-" + kernelinfo[3]
logging.debug("Got kernel version " + str(kernelinfo))
# Build a list of all .ko files
modpaths = {}
for root, ignore, files in os.walk(cpiodir + "/kernel/lib/modules", topdown=False):
for name in files:
if name.endswith(".ko"):
modpaths[name] = os.path.join(root, name)
progresscb.update(3)
# Extract the install-initrd RPM contents
os.mkdir(cpiodir + "/installinitrd")
cmd = "cd " + cpiodir + "/installinitrd && (rpm2cpio " + installinitrdrpm + " | cpio --quiet -idm)"
logging.debug("Running " + cmd)
os.system(cmd)
progresscb.update(4)
# Read in list of mods required for initrd
modnames = []
fn = open(cpiodir + "/installinitrd/usr/lib/install-initrd/" + kernelinfo[3] + "/module.list", "r")
try:
while 1:
line = fn.readline()
if not line:
break
line = line[:len(line) - 1]
modnames.append(line)
finally:
fn.close()
progresscb.update(5)
# Uncompress the basic initrd
cmd = "gunzip -c " + cpiodir + "/installinitrd/usr/lib/install-initrd/initrd-base.gz > " + cpiodir + "/initrd.img"
logging.debug("Running " + cmd)
os.system(cmd)
progresscb.update(6)
# Create temp tree to hold stuff we're adding to initrd
moddir = cpiodir + "/initrd/lib/modules/" + kernel_override + "/initrd/"
moddepdir = cpiodir + "/initrd/lib/modules/" + kernel_version
os.makedirs(moddir)
os.makedirs(moddepdir)
os.symlink("../" + kernel_override, moddepdir + "/updates")
os.symlink("lib/modules/" + kernel_override + "/initrd", cpiodir + "/initrd/modules")
cmd = "cp " + cpiodir + "/installinitrd/usr/lib/install-initrd/" + kernelinfo[3] + "/module.config" + " " + moddir
logging.debug("Running " + cmd)
os.system(cmd)
progresscb.update(7)
# Copy modules we need into initrd staging dir
for modname in modnames:
if modname in modpaths:
src = modpaths[modname]
dst = moddir + "/" + modname
os.system("cp " + src + " " + dst)
progresscb.update(8)
# Run depmod across the staging area
cmd = "depmod -a -b " + cpiodir + "/initrd -F " + cpiodir + "/kernel/boot/System.map-" + kernel_version + " " + kernel_version
logging.debug("Running " + cmd)
os.system(cmd)
progresscb.update(9)
# Add the extra modules to the basic initrd
cmd = "cd " + cpiodir + "/initrd && (find . | cpio --quiet -o -H newc -A -F " + cpiodir + "/initrd.img)"
logging.debug("Running " + cmd)
os.system(cmd)
progresscb.update(10)
# Compress the final initrd
cmd = "gzip -f9N " + cpiodir + "/initrd.img"
logging.debug("Running " + cmd)
os.system(cmd)
progresscb.end(11)
# Save initrd & kernel to temp files for booting...
initrdname = fetcher.saveTemp(open(cpiodir + "/initrd.img.gz", "r"), "initrd.img")
logging.debug("Saved " + initrdname)
try:
kernelname = fetcher.saveTemp(open(cpiodir + "/kernel/boot/vmlinuz-" + kernel_version, "r"), "vmlinuz")
logging.debug("Saved " + kernelname)
return (kernelname, initrdname, "install=" + fetcher.location)
except:
os.unlink(initrdname)
finally:
# pass
os.system("rm -rf " + cpiodir)
class DebianDistro(Distro):
# ex. http://ftp.egr.msu.edu/debian/dists/sarge/main/installer-i386/
@ -1158,9 +957,8 @@ class DebianDistro(Distro):
class UbuntuDistro(DebianDistro):
name = "Ubuntu"
# regular tree:
# http://archive.ubuntu.com/ubuntu/dists/natty/main/installer-amd64/
name = "Ubuntu"
def isValidStore(self, fetcher, progresscb):
if fetcher.hasFile("%s/MANIFEST" % self._prefix):
@ -1186,8 +984,7 @@ class UbuntuDistro(DebianDistro):
class MandrivaDistro(Distro):
# Ex. ftp://ftp.uwsg.indiana.edu/linux/mandrake/official/2007.1/x86_64/
# ftp://ftp.uwsg.indiana.edu/linux/mandrake/official/2007.1/x86_64/
name = "Mandriva"
os_type = "linux"
_boot_iso_paths = ["install/images/boot.iso"]
@ -1243,7 +1040,6 @@ class ALTLinuxDistro(Distro):
# Solaris and OpenSolaris distros
class SunDistro(Distro):
name = "Solaris"
os_type = "solaris"
@ -1389,7 +1185,6 @@ class SolarisDistro(SunDistro):
class OpenSolarisDistro(SunDistro):
os_variant = "opensolaris"
kernelpath = "platform/i86xpv/kernel/unix"