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Add support for mkosi-initrd #132

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Add support for mkosi-initrd #132

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75 changes: 66 additions & 9 deletions sbin/transactional-update.in
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Original file line number Diff line number Diff line change
Expand Up @@ -74,6 +74,7 @@ SYSTEM_MANIFEST_FILE="@libdir@/sysimage/tu/system.manifest"
ZYPPER_AUTO_IMPORT_KEYS=0
ETC_OVERLAY_PATTERN='^[^[:space:]]\+[[:space:]]\+\/etc[[:space:]]\+overlay[[:space:]]\+\([^[:space:]]*,\|\)workdir=\/sysroot\/var\/lib\/overlay\/work-etc[,[:space:]]'
NON_ROOTFS_WHITELIST=("/var/lib/YaST2/cookies" "/var/lib/rpm" "/var/lib/systemd/migrated" "/var/run/zypp.pid")
INITRD_GENERATOR=""
DRACUT_OPTS=""
TUKIT_OPTS=""

Expand Down Expand Up @@ -271,6 +272,48 @@ is_bls() {
[ -e "/usr/bin/sdbootutil" ] && /usr/bin/sdbootutil is-installed
}

find_initrd_generator() {
INITRD_GENERATOR="$(. /etc/sysconfig/bootloader 2>/dev/null && echo "$INITRD_GENERATOR")"

# dracut is the default initrd generator
if [ -z "$INITRD_GENERATOR" ]; then
INITRD_GENERATOR="dracut"
elif [ "$INITRD_GENERATOR" = "mkosi" ]; then
INITRD_GENERATOR="mkosi-initrd"
fi

[ "$INITRD_GENERATOR" = "dracut" ] || [ "$INITRD_GENERATOR" = "mkosi-initrd" ] || {
log_error "ERROR: the initrd generator \"$INITRD_GENERATOR\" configured in /etc/sysconfig/bootloader is not supported."
return 1
}

return 0
}

mkosi_initrd_call() {
local tmp_file

tmp_file=$(mktemp -p /etc -t mkosi-initrd-callXXXXXXXX)
if [ ! -f "$tmp_file" ]; then
log_error "ERROR: failed to create temporary file for the mkosi-initrd call"
return
fi

# FIXME: mkosi-initrd does not provide anything like --regenerate-all yet
cat >> "$tmp_file"<<EOF
ret=0
for d in /lib/modules/*; do
[ -d "\$d" ] || continue
kver=\${d##*/}
mkosi-initrd --kernel-version "\$kver" -O "/boot" -o "initrd-\$kver"
((ret += \$?))
done
exit "\$ret"
EOF

echo -n "$tmp_file"
}

rebuild_kdump_initrd() {
if tukit -q call "$1" systemctl is-enabled --quiet kdump.service; then
tukit ${TUKIT_OPTS} call "$1" /sbin/mkdumprd |& tee -a ${LOGFILE} 1>&${origstdout}
Expand Down Expand Up @@ -1690,15 +1733,29 @@ if [ -n "${ZYPPER_ARG}" -o ${REWRITE_GRUB_CFG} -eq 1 \
fi

if [ ${REWRITE_INITRD} -eq 1 ]; then
log_info "Creating new initrd"
tukit ${TUKIT_OPTS} call "${SNAPSHOT_ID}" dracut ${DRACUT_OPTS} --force --regenerate-all |& tee -a ${LOGFILE} 1>&${origstdout}
if [ $? -ne 0 ]; then
log_error "ERROR: initrd creation failed!"
EXITCODE=1
else
REBUILD_KDUMP_INITRD=1
fi
set_reboot_level "kexec"
if find_initrd_generator; then
log_info "Creating new initrd using $INITRD_GENERATOR"
case "$INITRD_GENERATOR" in
"dracut")
tukit ${TUKIT_OPTS} call "${SNAPSHOT_ID}" dracut ${DRACUT_OPTS} --force --regenerate-all |& tee -a ${LOGFILE} 1>&${origstdout}
[ $? -eq 0 ] || EXITCODE=1
;;
"mkosi-initrd")
tmp_bash_file="$(mkosi_initrd_call)"
tukit ${TUKIT_OPTS} call "${SNAPSHOT_ID}" bash "$tmp_bash_file" |& tee -a ${LOGFILE} 1>&${origstdout}
[ $? -eq 0 ] || EXITCODE=1
rm -f "$tmp_bash_file"
;;
esac
if [ $EXITCODE -ne 0 ]; then
log_error "ERROR: initrd creation failed!"
else
REBUILD_KDUMP_INITRD=1
fi
else
EXITCODE=1
fi
set_reboot_level "kexec"
fi

if [ ${REBUILD_KDUMP_INITRD} -eq 1 ]; then
Expand Down