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fai-config/basefiles/mk-basefile

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#! /bin/bash
# mk-basefile, create basefiles for some distributions
#
# Thomas Lange, Uni Koeln, 2011-2022
# based on the Makefile implementation of Michael Goetze
#
# Usage example: mk-basefile -J STRETCH64
# This will create a STRETCH64.tar.xz basefile.
# Supported distributions (each i386/amd64):
# Debian GNU/Linux
# Ubuntu 14.04/16.04/20.04/22.04
# Rocky Linux 8
# CentOS 5/6/7/8
# Scientific Linux Cern 5/6
#
# Packages you might want to install to use this command:
# debootstrap, rinse, xz-utils
# Define your local mirros here
# For the first stage, set the CentOS/SLC mirror in /etc/rinse/rinse.conf
MIRROR_DEBIAN=http://deb.debian.org/debian/
MIRROR_UBUNTU=http://mirror.netcologne.de/ubuntu/
MIRROR_CENTOS=http://mirror.netcologne.de/
EXCLUDE_SQUEEZE=isc-dhcp-client,isc-dhcp-common,info
EXCLUDE_WHEEZY=info
EXCLUDE_JESSIE=info
EXCLUDE_STRETCH=info
EXCLUDE_BUSTER=
EXCLUDE_BULLSEYE=
EXCLUDE_BOOKWORM=
EXCLUDE_TRIXIE=
EXCLUDE_FORKY=
EXCLUDE_SID=
EXCLUDE_TRUSTY=dhcp3-client,dhcp3-common,info
EXCLUDE_XENIAL=udhcpc,dibbler-client,info
EXCLUDE_BIONIC=udhcpc,dibbler-client,info
EXCLUDE_FOCAL=udhcpc,dibbler-client,info
EXCLUDE_JAMMY=udhcpc,dibbler-client,info
# here you can add packages, that are needed very early
INCLUDE_DEBIAN=
setarch() {
l32=
if [ X$1 = Xi386 ]; then
l32=linux32
fi
}
check() {
if [ $(id -u) != 0 ]; then
echo "You must be root to create chroots."
exit 1
fi
mknod $xtmp/test-dev-null c 1 3
if [ $? -eq 1 ]; then
echo "Cannot create device files on $xtmp, aborting."
echo "Perhaps this directory is mounted with option nodev."
rm -rf $xtmp
exit 1
fi
echo test > $xtmp/test-dev-null
if [ $? -eq 1 ]; then
echo "Cannot create device files on $xtmp, aborting."
echo "Perhaps this directory is mounted with option nodev."
rm -rf $xtmp
exit 1
fi
rm -f $xtmp/test-dev-null
}
mkpost-centos() {
# set local mirror for rinse post script
[ -z "$MIRROR_CENTOS" ] && return
cat <<EOM > $xtmp/post
#! /bin/sh
mkdir -p $xtmp/etc/yum.repos.d/orig
cp -p $xtmp/etc/yum.repos.d/*.repo $xtmp/etc/yum.repos.d/orig
perl -pi -e 's,mirrorlist=,#mirrorlist=,; s,#baseurl=http://mirror.centos.org,baseurl=$MIRROR_CENTOS,;' $xtmp/etc/yum.repos.d/CentOS-Base.repo
EOM
chmod 555 $xtmp/post
}
mkpost-slc() {
# set local mirror for rinse post script
ver=$1
[ -z "$MIRROR_SLC" ] && return
cat <<EOM > $xtmp/post
#! /bin/sh
mkdir -p $xtmp/etc/yum.repos.d/orig
cp -p $xtmp/etc/yum.repos.d/*.repo $xtmp/etc/yum.repos.d/orig
perl -pi -e 's,baseurl=http://linuxsoft.cern.ch,baseurl=$MIRROR_SLC,;' $xtmp/etc/yum.repos.d/slc$ver-os.repo
perl -pi -e 's,baseurl=http://linuxsoft.cern.ch,baseurl=$MIRROR_SLC,;' $xtmp/etc/yum.repos.d/slc$ver-updates.repo
EOM
chmod 555 $xtmp/post
}
cleanup-deb() {
chroot $xtmp apt-get clean
rm -f $xtmp/etc/hostname $xtmp/etc/resolv.conf \
$xtmp/var/lib/apt/lists/*_* $xtmp/usr/bin/qemu-*-static \
$xtmp/etc/udev/rules.d/70-persistent-net.rules \
$xtmp/var/lib/dbus/machine-id
> $xtmp/etc/machine-id
}
cleanup-rinse() {
# check if chroot works
echo "Installed packages in chroot:"
chroot $xtmp rpm -qa|sort
echo -n "CHROOT rpm -qa: "
chroot $xtmp rpm -qa|wc -l
rm -f $xtmp/etc/resolv.conf $xtmp/post
if [ -d $xtmp/etc/yum.repos.d/orig ]; then
mv $xtmp/etc/yum.repos.d/orig/* $xtmp/etc/yum.repos.d/
rm -rf $xtmp/etc/yum.repos.d/orig
fi
}
tarit() {
tar $attributes --numeric-owner --one-file-system -C $xtmp -cf - . | $zip > $target.$ext
}
rocky() {
local arch=$1
local vers=$2
local domain=$(domainname)
check
setarch $arch
# mkpost-centos
$l32 rinse --directory $xtmp --distribution rocky-$vers --arch $arch --before-post-install $xtmp/post
domainname $domain # workaround for #613377
cleanup-rinse
tarit
}
centos() {
local arch=$1
local vers=$2
local domain=$(domainname)
check
setarch $arch
mkpost-centos
$l32 rinse --directory $xtmp --distribution centos-$vers --arch $arch --before-post-install $xtmp/post
domainname $domain # workaround for #613377
cleanup-rinse
tarit
}
slc() {
local arch=$1
local vers=$2
check
setarch $arch
mkpost-slc $vers
$l32 rinse --directory $xtmp --distribution slc-$vers --arch $arch --before-post-install $xtmp/post
cleanup-rinse
tarit
}
debgeneric() {
local DIST=$1
shift
local mirror=$1
shift
local arch=$1
dist=${DIST%%[0-9][0-9]}
local exc="EXCLUDE_$dist"
[ -n "${!exc}" ] && exc="--exclude=${!exc}" || unset exc
dist=${dist,,}
check
if [ -n "$INCLUDE_DEBIAN" ]; then
local inc="--include=$INCLUDE_DEBIAN"
fi
if [ -n "$arch" ]; then
qemu-debootstrap --arch $arch ${exc} $inc $dist $xtmp $mirror
target="${target}_${arch^^}"
else
if [[ $DIST =~ 64 ]]; then
arch=amd64
else
arch=i386
fi
debootstrap --arch $arch ${exc} $inc $dist $xtmp $mirror
fi
cleanup-deb
tarit
}
prtdists() {
echo "Available:
ROCKY8_64
CENTOS5_32 CENTOS5_64
CENTOS6_32 CENTOS6_64
CENTOS7_32 CENTOS7_64
CENTOS8_64
SLC5_32 SLC5_64
SLC6_32 SLC6_64
SLC7_64
TRUSTY32 TRUSTY64
XENIAL32 XENIAL64
BIONIC64
FOCAL64
JAMMY64
SQUEEZE32 SQUEEZE64
WHEEZY32 WHEEZY64
JESSIE32 JESSIE64
STRETCH32 STRETCH64
BUSTER32 BUSTER64
BULLSEYE32 BULLSEYE64
BOOKWORM32 BOOKWORM64
TRIXIE32 TRIXIE64
FORKY32 FORKY64
SID32 SID64
"
}
usage() {
cat <<EOF
mk-basefile, create minimal base files for a Linux distritubtion
Copyright (C) 2011-2022 by Thomas Lange
Usage: mk-basefile [OPTION] ... DISTRIBUTION
-s Show list of supported linux distributions
-f ARCH Build for foreign architecture ARCH.
-d DIR Use DIR for creating the temporary subtree structure.
-z Use zstd for compressing the tar file.
-J Use xz for compressing the tar file.
-k Keep the temporary subtree structure, do not remove it.
-h Print help.
Usage example: mk-basefile -J STRETCH64
This will create a STRETCH64.tar.xz basefile.
EOF
exit 0
}
# main routine
ext=tar
zip=cat
attributes=
cleanup=1
attributes="--xattrs --selinux --acls"
while getopts ashzJd:kf: opt ; do
case "$opt" in
a) echo "$0: Warning. -a is ignored, because xtattrs, acls and selinux are always added." ;;
d) export TMPDIR=$OPTARG ;;
f) export ARCH=$OPTARG ;;
z) zip="zstd -9"; ext=tar.zst ;;
J) zip="xz -8" ext=tar.xz ;;
k) cleanup=0 ;;
h) usage ;;
s) prtdists ; exit 0;;
?) exit 3 ;; # error in option parsing
esac
done
shift $((OPTIND - 1))
xtmp=$(mktemp --tmpdir -d basefiles.XXXXXXXX)
if [ $? -eq 1 ]; then
echo "mktemp failed. Aborting."
exit 2
fi
chmod 755 $xtmp
target=$1 # also the name of the output file
[ -z "$target" ] && usage
case "$target" in
CENTOS5_32) centos i386 5 ;;
CENTOS5_64) centos amd64 5 ;;
CENTOS6_32) centos i386 6 ;;
CENTOS6_64) centos amd64 6 ;;
CENTOS7_32) centos i386 7 ;;
CENTOS7_64) centos amd64 7 ;;
CENTOS8_64) centos amd64 8 ;;
ROCKY8_64) rocky amd64 8 ;;
SLC5_32) slc i386 5 ;;
SLC5_64) slc amd64 5 ;;
SLC6_32) slc i386 6 ;;
SLC6_64) slc amd64 6 ;;
SLC7_64) slc amd64 7 ;;
TRUSTY*|XENIAL*|BIONIC*|FOCAL*|JAMMY*)
debgeneric $target $MIRROR_UBUNTU ;;
SQUEEZE*|WHEEZY*|JESSIE*|STRETCH*|BUSTER*|BULLSEYE*|BOOKWORM*|TRIXIE*|SID*)
debgeneric $target $MIRROR_DEBIAN $ARCH;;
*) echo "Unknown distribution. Aborting."
prtdists
exit 99 ;;
esac
# cleanup
if [ $cleanup -eq 1 ]; then
rm -rf $xtmp
fi
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