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| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | scripts/mk-rescueimage.ppc | 141 |
2 files changed, 146 insertions, 0 deletions
@@ -1,3 +1,8 @@ +2006-01-05 Jeremy Katz <katzj@redhat.com> + + * scripts/mk-rescueimage.ppc: Add ppc rescue image script from + jkeating (#177003) + 2006-01-05 David Cantrell <dcantrell@redhat.com> * iw/progress_gui.py (InstallProgressWindow_NEW.getScreen): Realign diff --git a/scripts/mk-rescueimage.ppc b/scripts/mk-rescueimage.ppc new file mode 100644 index 000000000..c9d90493f --- /dev/null +++ b/scripts/mk-rescueimage.ppc @@ -0,0 +1,141 @@ +#!/usr/bin/python +# +# mk-rescueimage.ppc - builds a rescue image from an existing tree +# which can be converted into a yaboot bootable +# iso and used as a sysadmin rescue image. +# +# +# Usage: mk-rescueimage.ppc <src-tree> <dest-dir> <productname> +# +# the rescue image will be created as <dest-dir>/ppc-rescueimage +# + +import os +import sys +import string + +def usage(): + print "usage: mk-rescueimage.ppc <toplevel> <dest-dir> <productname> [<productpath>]" + sys.exit(0) + + +if len(sys.argv) < 5: + usage() + sys.exit(1) + +if not os.access("%s/ppc" % (sys.argv[2],), os.F_OK): + print "ERROR - Destination directory %s does not contain a ppc directory!" % (sys.argv[2],) + sys.exit(1) + +srcdir = sys.argv[1] +destdir = sys.argv[2]+"/ppc-rescueimage" +productname = sys.argv[3] + +if len(sys.argv) > 4: + productpath = sys.argv[4] + +# clean and create destination directory +os.system("rm -rf %s" % (destdir,)) +os.system("mkdir %s" % (destdir,)) + +# copy documentation +for pat in ["*eula*", "*EULA*", "README*", "RELEASE*", "GPL", "RPM-*"]: + os.system("cp -p %s/%s %s/ 2>/dev/null" % (srcdir, pat, destdir)) + +# cp yaboot files +os.system("cp -a %s/ppc %s/" % (srcdir, destdir)) +os.system("cp -a %s/etc %s/" % (srcdir, destdir)) + +# cp stage image +os.system("mkdir -p %s/%s/base" % (destdir, productpath)) +os.system("cp -a %s/%s/base/stage2.img %s/%s/base" % (srcdir, productpath, destdir, productpath)) + +for arch in ("ppc32", "ppc64"): + # munge various yaboot configs to have a default of rescue mode + cfgfile = open("%s/ppc/%s/yaboot.conf" % (destdir, arch), "r") + cfglines = cfgfile.readlines() + cfgfile.close() + + # backup old one + os.system("cp %s/ppc/%s/yaboot.conf %s/ppc/%s/yaboot.conf.backup" % (destdir, arch, destdir, arch)) + + cfgfile = open("%s/ppc/%s/yaboot.conf" % (destdir, arch), "w+") + fndit = 0 + for l in cfglines: + if string.find(l, "Welcome") != -1: + cfgfile.write(l.replace("installer", "rescue")) + continue + if string.find(l, "default=") != -1: + cfgfile.write("default=rescue\n") + continue + # see if we're into the stanza now + elif string.find(l, "image=") != -1: + fndit = 1 + # build up the rescue stanza based on whats in the + # default stanza as we echo it out + rescuestanza = l + " label=rescue\n" + # if we fall through then write it out + cfgfile.write(l) + else: + # we're writing out the matching stanza - if we hit the append + # line put rescue on the end of it, otherwise just echo line + if fndit: + if string.find(l, "read-only") != -1: + rescuestanza = rescuestanza + l + " append=rescue\n" + else: + if not string.find(l, "label=") != -1: + rescuestanza = rescuestanza + l + cfgfile.write(l) + + if fndit: + cfgfile.write('\n' + rescuestanza) + + cfgfile.close() + + if not fndit: + print "Could not find default stanza, did not modify yaboot.conf" + os.system("mv -f %s/ppc/%s/yaboot.conf.backup %s/ppc/%s/yaboot.conf" % (destdir, arch, destdir, arch)) + else: + os.system("rm -f %s/ppc/%s/yaboot.conf.backup" % (destdir, arch)) + +# Modify top level yaboot to indicate rescue CD instead of install CD +# + +cfgfile = open("%s/etc/yaboot.conf" % (destdir,), "r") +cfglines = cfgfile.readlines() +cfgfile.close() + +cfgfile = open("%s/etc/yaboot.conf" % (destdir,), "w") + +origlines = '' +rescuelines = '' + +# do some inline replacements of text +for l in cfglines: + if l.find("init-message") != -1: + entry = cfglines.index(l) + cfglines[entry] = cfglines[entry].replace("installer", "rescue") + cfglines[entry] = cfglines[entry].replace("linux32", "rescue32") + continue + if l.find("default=") != -1: + cfglines[cfglines.index(l)] = l.replace("linux", "rescue") + continue + if l.find("image=/ppc/ppc64") != -1: + origlines = cfglines[cfglines.index(l):] + break + +# create a big string that is easier to do replacements on +for l in origlines: + rescuelines += l + +# Do replacements on the big string +rescuelines = rescuelines.replace("label=linux64", "label=rescue64") +rescuelines = rescuelines.replace("alias=linux", "alias=rescue") +rescuelines = rescuelines.replace("label=linux32", "label=rescue32") +rescuelines = rescuelines.replace("read-only", "read-only\n append=rescue") + +for l in cfglines: + cfgfile.write(l) + +cfgfile.write('\n' + rescuelines) + |