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Option to prepare with hostkeys left untouched

This commit is contained in:
Lutz Schwarz 2020-09-04 11:21:04 +02:00
parent ee4e7ac5c8
commit 9613c75afd
1 changed files with 12 additions and 5 deletions
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17
pishrink.sh
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@ -155,7 +155,7 @@ EOF1
help() { help() {
local help local help
read -r -d '' help << EOM read -r -d '' help << EOM
Usage: $0 [-adhrspvzZ] imagefile.img [newimagefile.img] Usage: $0 [-adhrspPvzZ] imagefile.img [newimagefile.img]
-s Don't expand filesystem when image is booted the first time -s Don't expand filesystem when image is booted the first time
-v Be verbose -v Be verbose
@ -163,7 +163,8 @@ Usage: $0 [-adhrspvzZ] imagefile.img [newimagefile.img]
-z Compress image after shrinking with gzip -z Compress image after shrinking with gzip
-Z Compress image after shrinking with xz -Z Compress image after shrinking with xz
-a Compress image in parallel using multiple cores -a Compress image in parallel using multiple cores
-p Remove logs, apt archives, dhcp leases and ssh hostkeys -p Remove logs, apt archives, dhcp leases
-P Remove logs, apt archives, dhcp leases and ssh hostkeys
-d Write debug messages in a debug log file -d Write debug messages in a debug log file
EOM EOM
echo "$help" echo "$help"
@ -176,14 +177,16 @@ repair=false
parallel=false parallel=false
verbose=false verbose=false
prep=false prep=false
prep_hostkeys=false
ziptool="" ziptool=""
while getopts ":adhprsvzZ" opt; do while getopts ":adhpPrsvzZ" opt; do
case "${opt}" in case "${opt}" in
a) parallel=true;; a) parallel=true;;
d) debug=true;; d) debug=true;;
h) help;; h) help;;
p) prep=true;; p) prep=true;;
P) prep=true; prep_hostkeys=true;;
r) repair=true;; r) repair=true;;
s) should_skip_autoexpand=true ;; s) should_skip_autoexpand=true ;;
v) verbose=true;; v) verbose=true;;
@ -305,10 +308,14 @@ else
fi fi
if [[ $prep == true ]]; then if [[ $prep == true ]]; then
info "Syspreping: Removing logs, apt archives, dhcp leases and ssh hostkeys" info "Syspreping: Removing logs, apt archives and dhcp leases"
mountdir=$(mktemp -d) mountdir=$(mktemp -d)
mount "$loopback" "$mountdir" mount "$loopback" "$mountdir"
rm -rvf $mountdir/var/cache/apt/archives/* $mountdir/var/lib/dhcpcd5/* $mountdir/var/log/* $mountdir/var/tmp/* $mountdir/tmp/* $mountdir/etc/ssh/*_host_* rm -rvf $mountdir/var/cache/apt/archives/* $mountdir/var/lib/dhcpcd5/* $mountdir/var/log/* $mountdir/var/tmp/* $mountdir/tmp/*
if [[ "$prep_hostkeys" == true ]]; then
info "Syspreping: Removing ssh hostkeys"
rm -rvf $mountdir/etc/ssh/*_host_*
fi
umount "$mountdir" umount "$mountdir"
fi fi