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#! /bin/sh -e
. /usr/share/debconf/confmodule
. /lib/kickseed/kickseed.sh
. /lib/kickseed/cmdline.sh
. /lib/preseed/preseed.sh
ks_log () {
logger -t kickseed "$@"
}
ks_preseed () {
echo "$@" >> "$SPOOL/parse/preseed.cfg"
}
# No support for chrooting here, as /target isn't available yet and %pre
# scripts don't need it.
ks_run_script () {
TYPE="$1"
INTERPRETER="$2"
SCRIPT="$4"
logger -t kickseed "Running $TYPE script $SCRIPT using interpreter $INTERPRETER:"
log-output -t kickseed --pass-stdout "$INTERPRETER" "$SCRIPT"
}
ks_write_script () {
if [ "${1%/*}" != "$1" ]; then
mkdir -p "${1%/*}"
fi
cat > "$1"
chmod +x "$1"
}
preseed_fetch () {
ln -sf "$1" "$2"
}
preseed_relative () {
if [ -z "${1##/*}" ]; then
return 1
else
return 0
fi
}
FETCH_ERROR=
fetch_url () {
local url="$1"
local file="$2"
iters=0
while [ $iters -lt 3 ]; do
# TODO proxy support? Would it be useful?
# TODO add progress bar
if FETCH_ERROR="$(wget -q "$url" -O "$file" 2>&1)"; then
return 0
fi
echo "$FETCH_ERROR" | logger -t kickseed
iters=$(($iters + 1))
done
return 1
}
KS="$(kickseed_cmdline /proc/cmdline ks)"
KSCFG="$(kickseed_file "$KS")"
case $KS in
ftp://*/*|http://*/*|https://*/*)
logger -t kickseed "Downloading kickstart file from $KS"
if ! fetch_url "$KS" "$KSCFG"; then
logger -t kickseed "... failed"
db_subst initrd-kickseed/wget-failed URL "$KS"
db_subst initrd-kickseed/wget-failed \
ERROR "$FETCH_ERROR"
db_input high initrd-kickseed/wget-failed || true
db_go
exit 1
fi
;;
nfs:*:/*)
logger -t kickseed "Retrieving kickstart file from $KS"
file="${KS#nfs:}"
server="${file%%:*}"
file="${file#*:}"
if ! mount -t nfs -o ro,intr,nolock \
"$server:${file%/*}" "${KSCFG%/*}"; then
logger -t kickseed "... failed"
db_subst initrd-kickseed/nfs-mount-failed \
DIR "${file%/*}"
db_subst initrd-kickseed/nfs-mount-failed \
SERVER "$server"
db_input high initrd-kickseed/nfs-mount-failed || true
db_go
exit 1
fi
trap "umount '${KSCFG%/*}' || true" \
EXIT HUP INT QUIT TERM
;;
esac
case $KSCFG in
/floppy/*)
mountmedia floppy || true
KSCFG="/media/${KSCFG#/floppy/}"
trap 'umount /media || true' EXIT HUP INT QUIT TERM
;;
/media/*)
device="${KSCFG#/media/}"
device="${device%%/*}"
# TODO: relies on having non-devfs compatibility paths
if log-output -t kickseed \
mount "/dev/$device" "/media/$device"; then
trap "umount '/media/$device' || true" \
EXIT HUP INT QUIT TERM
fi
;;
esac
case $KSCFG in
'')
# not handled in initrd (yet?)
: ;;
*)
logger -t kickseed "Reading kickstart file from $KSCFG"
kickseed "$KSCFG"
if [ -s "$SPOOL/parse/preseed.cfg" ]; then
preseed_location "$SPOOL/parse/preseed.cfg"
fi
;;
esac
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