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debi
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Minor update

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pull/8/head
Bohan Yang 5 years ago committed by GitHub
parent 0885d0b308
commit 499da4dd27
1 changed files with 31 additions and 31 deletions
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  1. 62
      debi.sh

62
debi.sh
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@ -2,26 +2,26 @@
set -eu
_err() {
err() {
printf 'Error: %s.\n' "$1" 1>&2
exit 1
}
_command_exists() {
command_exists() {
command -v "$1" > /dev/null 2>&1
}
late_command=
_late_command() {
run_later() {
[ -z "$late_command" ] && late_command='true'
late_command="$late_command; $1"
}
_backup() {
_late_command "[ ! -e \"$1$2\" ] && cp \"$1\" \"$1$2\""
backup() {
run_later "[ ! -e \"$1.backup\" ] && cp \"$1\" \"$1.backup\""
}
_prompt_password() {
prompt_password() {
if [ -z "$password" ]; then
read -rs -p 'Password: ' password
fi
@ -81,7 +81,7 @@ while [ $# -gt 0 ]; do
security_repository=mirror
;;
*)
_err "No such preset $2"
err "No such preset $2"
esac
shift
;;
@ -221,7 +221,7 @@ while [ $# -gt 0 ]; do
dry_run=true
;;
*)
_err "Illegal option $1"
err "Illegal option $1"
esac
shift
done
@ -233,7 +233,7 @@ save_preseed='cat'
if [ "$dry_run" != true ]; then
user="$(id -un 2>/dev/null || true)"
[ "$user" != root ] && _err 'root privilege is required'
[ "$user" != root ] && err 'root privilege is required'
rm -rf "$installer_directory"
mkdir -p "$installer_directory"
@ -282,8 +282,8 @@ d-i preseed/early_command string anna-install network-console
EOF
if [ -n "$authorized_keys_url" ]; then
_backup /etc/ssh/sshd_config .backup
_late_command 'sed -ri "s/^#?PasswordAuthentication .+/PasswordAuthentication no/" /etc/ssh/sshd_config'
backup /etc/ssh/sshd_config
run_later 'sed -ri "s/^#?PasswordAuthentication .+/PasswordAuthentication no/" /etc/ssh/sshd_config'
$save_preseed << EOF
d-i network-console/password-disabled boolean true
d-i network-console/authorized_keys_url string $authorized_keys_url
@ -313,16 +313,16 @@ d-i mirror/udeb/suite string $suite
EOF
if [ "$skip_account_setup" != true ]; then
if _command_exists mkpasswd; then
if command_exists mkpasswd; then
if [ -z "$password" ]; then
password="$(mkpasswd -m sha-512)"
else
password="$(mkpasswd -m sha-512 "$password")"
fi
elif _command_exists busybox && busybox mkpasswd --help >/dev/null 2>&1; then
_prompt_password
elif command_exists busybox && busybox mkpasswd --help >/dev/null 2>&1; then
prompt_password
password="$(busybox mkpasswd -m sha512 "$password")"
elif _command_exists python3; then
elif command_exists python3; then
if [ -z "$password" ]; then
password="$(python3 -c 'import crypt, getpass; print(crypt.crypt(getpass.getpass(), crypt.mksalt(crypt.METHOD_SHA512)))')"
else
@ -330,7 +330,7 @@ if [ "$skip_account_setup" != true ]; then
fi
else
cleartext_password=true
_prompt_password
prompt_password
fi
$save_preseed << 'EOF'
@ -341,10 +341,10 @@ EOF
if [ "$username" = root ]; then
if [ -z "$authorized_keys_url" ]; then
_backup /etc/ssh/sshd_config .backup
_late_command 'sed -ri "s/^#?PermitRootLogin .+/PermitRootLogin yes/" /etc/ssh/sshd_config'
backup /etc/ssh/sshd_config
run_later 'sed -ri "s/^#?PermitRootLogin .+/PermitRootLogin yes/" /etc/ssh/sshd_config'
else
_late_command "mkdir -m 0700 -p ~root/.ssh && busybox wget -O - \"$authorized_keys_url\" | tee -a ~root/.ssh/authorized_keys"
run_later "mkdir -m 0700 -p ~root/.ssh && busybox wget -O - \"$authorized_keys_url\" | tee -a ~root/.ssh/authorized_keys"
fi
$save_preseed << 'EOF'
@ -361,11 +361,11 @@ EOF
echo "d-i passwd/root-password-crypted password $password" | $save_preseed
fi
else
_backup /etc/ssh/sshd_config .backup
_late_command 'sed -ri "s/^#?PermitRootLogin .+/PermitRootLogin no/" /etc/ssh/sshd_config'
backup /etc/ssh/sshd_config
run_later 'sed -ri "s/^#?PermitRootLogin .+/PermitRootLogin no/" /etc/ssh/sshd_config'
if [ -n "$authorized_keys_url" ]; then
_late_command "sudo -u $username mkdir -m 0700 -p ~$username/.ssh && busybox wget -O - \"$authorized_keys_url\" | sudo -u $username tee -a ~$username/.ssh/authorized_keys"
run_later "sudo -u $username mkdir -m 0700 -p ~$username/.ssh && busybox wget -O - \"$authorized_keys_url\" | sudo -u $username tee -a ~$username/.ssh/authorized_keys"
fi
$save_preseed << EOF
@ -511,7 +511,7 @@ $save_preseed << 'EOF'
d-i finish-install/reboot_in_progress note
EOF
[ "$bbr" = true ] && _late_command '{ echo "net.core.default_qdisc=fq"; echo "net.ipv4.tcp_congestion_control=bbr"; } > /etc/sysctl.d/bbr.conf'
[ "$bbr" = true ] && run_later '{ echo "net.core.default_qdisc=fq"; echo "net.ipv4.tcp_congestion_control=bbr"; } > /etc/sysctl.d/bbr.conf'
[ -n "$late_command" ] && echo "d-i preseed/late_command string in-target bash -c '$late_command'" | $save_preseed
@ -521,33 +521,33 @@ save_grub_cfg='cat'
if [ "$dry_run" != true ]; then
if [ -z "$architecture" ]; then
architecture=amd64
_command_exists dpkg && architecture="$(dpkg --print-architecture)"
command_exists dpkg && architecture="$(dpkg --print-architecture)"
fi
base_url="$mirror_protocol://$mirror_host$mirror_directory/dists/$suite/main/installer-$architecture/current/images/netboot/debian-installer/$architecture"
if _command_exists wget; then
if command_exists wget; then
wget "$base_url/linux" "$base_url/initrd.gz"
elif _command_exists curl; then
elif command_exists curl; then
curl -O "$base_url/linux" -O "$base_url/initrd.gz"
elif _command_exists busybox; then
elif command_exists busybox; then
busybox wget "$base_url/linux" "$base_url/initrd.gz"
else
_err 'wget/curl/busybox is required to download files'
err 'wget/curl/busybox is required to download files'
fi
gunzip initrd.gz
echo preseed.cfg | cpio -H newc -o -A -F initrd
gzip initrd
if _command_exists update-grub; then
if command_exists update-grub; then
grub_cfg=/boot/grub/grub.cfg
update-grub
elif _command_exists grub2-mkconfig; then
elif command_exists grub2-mkconfig; then
grub_cfg=/boot/grub2/grub.cfg
grub2-mkconfig -o "$grub_cfg"
else
_err 'update-grub/grub2-mkconfig command not found'
err 'update-grub/grub2-mkconfig command not found'
fi
save_grub_cfg="tee -a $grub_cfg"

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