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566 lines
14 KiB
566 lines
14 KiB
#!/bin/bash |
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set -eu |
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_err() { |
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printf 'Error: %s.\n' "$1" 1>&2 |
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exit 1 |
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} |
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_command_exists() { |
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command -v "$1" > /dev/null 2>&1 |
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} |
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late_command= |
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_late_command() { |
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[ -z "$late_command" ] && late_command='true' |
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late_command="$late_command; $1" |
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} |
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_backup() { |
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_late_command "[ ! -e \"$1$2\" ] && cp \"$1\" \"$1$2\"" |
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} |
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_prompt_password() { |
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if [ -z "$password" ]; then |
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read -rs -p 'Password: ' password |
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fi |
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} |
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ip= |
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netmask= |
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gateway= |
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dns='8.8.8.8 8.8.4.4' |
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hostname= |
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installer_ssh=false |
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installer_password= |
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authorized_keys_url= |
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suite=buster |
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mirror_protocol=http |
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mirror_host=deb.debian.org |
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mirror_directory=/debian |
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security_repository=http://security.debian.org/debian-security |
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skip_account_setup=false |
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username=debian |
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password= |
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cleartext_password=false |
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timezone=UTC |
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ntp=0.debian.pool.ntp.org |
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skip_partitioning=false |
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partitioning_method=regular |
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disk= |
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force_gpt=true |
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efi= |
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filesystem=ext4 |
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kernel= |
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install_recommends=true |
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install= |
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upgrade= |
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kernel_params= |
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bbr=false |
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power_off=false |
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architecture= |
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boot_directory=/boot/ |
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dry_run=false |
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while [ $# -gt 0 ]; do |
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case $1 in |
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--preset) |
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case "$2" in |
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china) |
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dns='223.5.5.5 223.6.6.6' |
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mirror_protocol=https |
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mirror_host=mirrors.aliyun.com |
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ntp=ntp.aliyun.com |
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security_repository=mirror |
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;; |
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cloud) |
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dns='1.1.1.1 1.0.0.1' |
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mirror_protocol=https |
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mirror_host=deb.debian.org |
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security_repository=mirror |
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;; |
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*) |
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_err "No such preset $2" |
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esac |
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shift |
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;; |
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--ip) |
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ip=$2 |
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shift |
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;; |
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--netmask) |
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netmask=$2 |
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shift |
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;; |
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--gateway) |
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gateway=$2 |
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shift |
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;; |
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--dns) |
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dns=$2 |
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shift |
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;; |
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--hostname) |
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hostname=$2 |
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shift |
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;; |
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--installer-password) |
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installer_ssh=true |
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installer_password=$2 |
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shift |
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;; |
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--authorized-keys-url) |
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installer_ssh=true |
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authorized_keys_url=$2 |
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shift |
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;; |
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--suite) |
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suite=$2 |
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shift |
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;; |
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--mirror-protocol) |
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mirror_protocol=$2 |
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shift |
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;; |
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--mirror-host) |
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mirror_host=$2 |
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shift |
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;; |
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--mirror-directory) |
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mirror_directory=${2%/} |
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shift |
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;; |
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--security-repository) |
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security_repository=$2 |
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shift |
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;; |
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--skip-account-setup) |
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skip_account_setup=true |
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;; |
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--username) |
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username=$2 |
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shift |
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;; |
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--password) |
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password=$2 |
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shift |
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;; |
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--timezone) |
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timezone=$2 |
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shift |
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;; |
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--ntp) |
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ntp=$2 |
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shift |
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;; |
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--skip-partitioning) |
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skip_partitioning=true |
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;; |
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--partitioning-method) |
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partitioning_method=$2 |
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shift |
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;; |
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--disk) |
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disk=$2 |
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shift |
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;; |
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--force-gpt) |
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force_gpt=true |
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;; |
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--no-force-gpt) |
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force_gpt=false |
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;; |
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--bios) |
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efi=false |
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;; |
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--efi) |
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efi=true |
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;; |
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--filesystem) |
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filesystem=$2 |
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shift |
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;; |
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--kernel) |
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kernel=$2 |
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shift |
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;; |
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--cloud-kernel) |
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kernel=linux-image-cloud-amd64 |
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;; |
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--no-install-recommends) |
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install_recommends=false |
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;; |
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--install) |
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install=$2 |
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shift |
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;; |
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--safe-upgrade) |
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upgrade=safe-upgrade |
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;; |
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--full-upgrade) |
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upgrade=full-upgrade |
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;; |
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--eth) |
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kernel_params=' net.ifnames=0 biosdevname=0' |
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;; |
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--bbr) |
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bbr=true |
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;; |
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--power-off) |
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power_off=true |
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;; |
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--architecture) |
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architecture=$2 |
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shift |
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;; |
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--boot-partition) |
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boot_directory=/ |
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;; |
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--dry-run) |
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dry_run=true |
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;; |
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*) |
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_err "Illegal option $1" |
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esac |
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shift |
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done |
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installer="debian-$suite" |
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installer_directory="/boot/$installer" |
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save_preseed='cat' |
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if [ "$dry_run" != true ]; then |
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user="$(id -un 2>/dev/null || true)" |
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[ "$user" != root ] && _err 'root privilege is required' |
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rm -rf "$installer_directory" |
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mkdir -p "$installer_directory" |
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cd "$installer_directory" |
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save_preseed='tee -a preseed.cfg' |
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fi |
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$save_preseed << 'EOF' |
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# Localization |
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d-i debian-installer/locale string en_US.UTF-8 |
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d-i keyboard-configuration/xkb-keymap select us |
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# Network configuration |
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d-i netcfg/choose_interface select auto |
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EOF |
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if [ -n "$ip" ]; then |
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echo 'd-i netcfg/disable_autoconfig boolean true' | $save_preseed |
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echo "d-i netcfg/get_ipaddress string $ip" | $save_preseed |
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[ -n "$netmask" ] && echo "d-i netcfg/get_netmask string $netmask" | $save_preseed |
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[ -n "$gateway" ] && echo "d-i netcfg/get_gateway string $gateway" | $save_preseed |
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[ -n "$dns" ] && echo "d-i netcfg/get_nameservers string $dns" | $save_preseed |
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echo 'd-i netcfg/confirm_static boolean true' | $save_preseed |
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fi |
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$save_preseed << 'EOF' |
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d-i netcfg/get_hostname string debian |
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d-i netcfg/get_domain string |
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EOF |
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if [ -n "$hostname" ]; then |
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echo "d-i netcfg/hostname string $hostname" | $save_preseed |
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fi |
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echo 'd-i hw-detect/load_firmware boolean true' | $save_preseed |
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if [ "$installer_ssh" = true ]; then |
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$save_preseed << 'EOF' |
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# Network console |
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d-i anna/choose_modules string network-console |
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d-i preseed/early_command string anna-install network-console |
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EOF |
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if [ -n "$authorized_keys_url" ]; then |
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_backup /etc/ssh/sshd_config .backup |
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_late_command 'sed -ri "s/^#?PasswordAuthentication .+/PasswordAuthentication no/" /etc/ssh/sshd_config' |
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$save_preseed << EOF |
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d-i network-console/password-disabled boolean true |
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d-i network-console/authorized_keys_url string $authorized_keys_url |
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EOF |
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elif [ -n "$installer_password" ]; then |
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$save_preseed << EOF |
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d-i network-console/password-disabled boolean false |
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d-i network-console/password password $installer_password |
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d-i network-console/password-again password $installer_password |
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EOF |
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fi |
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echo 'd-i network-console/start select Continue' | $save_preseed |
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fi |
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$save_preseed << EOF |
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# Mirror settings |
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d-i mirror/country string manual |
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d-i mirror/protocol string $mirror_protocol |
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d-i mirror/$mirror_protocol/hostname string $mirror_host |
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d-i mirror/$mirror_protocol/directory string $mirror_directory |
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d-i mirror/$mirror_protocol/proxy string |
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d-i mirror/suite string $suite |
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d-i mirror/udeb/suite string $suite |
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EOF |
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if [ "$skip_account_setup" != true ]; then |
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if _command_exists mkpasswd; then |
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if [ -z "$password" ]; then |
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password="$(mkpasswd -m sha-512)" |
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else |
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password="$(mkpasswd -m sha-512 "$password")" |
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fi |
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elif _command_exists busybox && busybox mkpasswd --help >/dev/null 2>&1; then |
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_prompt_password |
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password="$(busybox mkpasswd -m sha512 "$password")" |
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elif _command_exists python3; then |
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if [ -z "$password" ]; then |
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password="$(python3 -c 'import crypt, getpass; print(crypt.crypt(getpass.getpass(), crypt.mksalt(crypt.METHOD_SHA512)))')" |
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else |
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password="$(python3 -c "import crypt; print(crypt.crypt('$password', crypt.mksalt(crypt.METHOD_SHA512)))")" |
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fi |
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else |
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cleartext_password=true |
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_prompt_password |
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fi |
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$save_preseed << 'EOF' |
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# Account setup |
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EOF |
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if [ "$username" = root ]; then |
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if [ -z "$authorized_keys_url" ]; then |
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_backup /etc/ssh/sshd_config .backup |
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_late_command 'sed -ri "s/^#?PermitRootLogin .+/PermitRootLogin yes/" /etc/ssh/sshd_config' |
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else |
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_late_command "mkdir -m 0700 -p ~root/.ssh && busybox wget -O - \"$authorized_keys_url\" | tee -a ~root/.ssh/authorized_keys" |
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fi |
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$save_preseed << 'EOF' |
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d-i passwd/root-login boolean true |
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d-i passwd/make-user boolean false |
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EOF |
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if [ "$cleartext_password" = true ]; then |
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$save_preseed << EOF |
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d-i passwd/root-password password $password |
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d-i passwd/root-password-again password $password |
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EOF |
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else |
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echo "d-i passwd/root-password-crypted password $password" | $save_preseed |
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fi |
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else |
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_backup /etc/ssh/sshd_config .backup |
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_late_command 'sed -ri "s/^#?PermitRootLogin .+/PermitRootLogin no/" /etc/ssh/sshd_config' |
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if [ -n "$authorized_keys_url" ]; then |
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_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" |
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fi |
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$save_preseed << EOF |
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d-i passwd/root-login boolean false |
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d-i passwd/make-user boolean true |
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d-i passwd/user-fullname string |
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d-i passwd/username string $username |
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EOF |
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if [ "$cleartext_password" = true ]; then |
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$save_preseed << EOF |
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d-i passwd/user-password password $password |
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d-i passwd/user-password-again password $password |
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EOF |
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else |
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echo "d-i passwd/user-password-crypted password $password" | $save_preseed |
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fi |
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fi |
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fi |
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$save_preseed << EOF |
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# Clock and time zone setup |
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d-i time/zone string $timezone |
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d-i clock-setup/utc boolean true |
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d-i clock-setup/ntp boolean true |
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d-i clock-setup/ntp-server string $ntp |
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EOF |
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if [ "$skip_partitioning" != true ]; then |
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$save_preseed << 'EOF' |
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# Partitioning |
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EOF |
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if [ -n "$disk" ]; then |
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echo "d-i partman-auto/disk string $disk" | $save_preseed |
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fi |
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echo "d-i partman-auto/method string $partitioning_method" | $save_preseed |
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if [ "$partitioning_method" = regular ]; then |
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[ "$force_gpt" = true ] && $save_preseed << 'EOF' |
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d-i partman-partitioning/default_label string gpt |
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EOF |
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echo "d-i partman/default_filesystem string $filesystem" | $save_preseed |
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if [ -z "$efi" ]; then |
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efi=false |
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[ -d /sys/firmware/efi ] && efi=true |
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fi |
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$save_preseed << 'EOF' |
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d-i partman-auto/expert_recipe string \ |
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naive :: \ |
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EOF |
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if [ "$efi" = true ]; then |
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$save_preseed << 'EOF' |
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538 538 1075 free \ |
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$iflabel{ gpt } \ |
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$reusemethod{ } \ |
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method{ efi } \ |
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format{ } \ |
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. \ |
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EOF |
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else |
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$save_preseed << 'EOF' |
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1 1 1 free \ |
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$iflabel{ gpt } \ |
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$reusemethod{ } \ |
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method{ biosgrub } \ |
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. \ |
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EOF |
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fi |
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$save_preseed << 'EOF' |
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2149 2150 -1 $default_filesystem \ |
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method{ format } \ |
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format{ } \ |
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use_filesystem{ } \ |
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$default_filesystem{ } \ |
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mountpoint{ / } \ |
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. |
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EOF |
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echo "d-i partman-auto/choose_recipe select naive" | $save_preseed |
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fi |
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$save_preseed << 'EOF' |
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d-i partman-basicfilesystems/no_swap boolean false |
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d-i partman/choose_partition select finish |
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d-i partman/confirm boolean true |
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EOF |
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fi |
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$save_preseed << 'EOF' |
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# Base system installation |
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EOF |
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[ "$install_recommends" = false ] && echo "d-i base-installer/install-recommends boolean $install_recommends" | $save_preseed |
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[ -n "$kernel" ] && echo "d-i base-installer/kernel/image string $kernel" | $save_preseed |
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[ "$security_repository" = mirror ] && security_repository=$mirror_protocol://$mirror_host${mirror_directory%/*}/debian-security |
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$save_preseed << EOF |
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# Apt setup |
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d-i apt-setup/services-select multiselect updates, backports |
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d-i apt-setup/local0/repository string $security_repository $suite/updates main |
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d-i apt-setup/local0/source boolean true |
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EOF |
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$save_preseed << 'EOF' |
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# Package selection |
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tasksel tasksel/first multiselect ssh-server |
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EOF |
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[ -n "$install" ] && echo "d-i pkgsel/include string $install" | $save_preseed |
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[ -n "$upgrade" ] && echo "d-i pkgsel/upgrade select $upgrade" | $save_preseed |
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$save_preseed << 'EOF' |
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popularity-contest popularity-contest/participate boolean false |
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# Boot loader installation |
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d-i grub-installer/bootdev string default |
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EOF |
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[ -n "$kernel_params" ] && echo "d-i debian-installer/add-kernel-opts string$kernel_params" | $save_preseed |
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$save_preseed << 'EOF' |
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# Finishing up the installation |
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d-i finish-install/reboot_in_progress note |
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EOF |
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[ "$bbr" = true ] && _late_command '{ echo "net.core.default_qdisc=fq"; echo "net.ipv4.tcp_congestion_control=bbr"; } > /etc/sysctl.d/bbr.conf' |
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[ -n "$late_command" ] && echo "d-i preseed/late_command string in-target bash -c '$late_command'" | $save_preseed |
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[ "$power_off" = true ] && echo 'd-i debian-installer/exit/poweroff boolean true' | $save_preseed |
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save_grub_cfg='cat' |
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if [ "$dry_run" != true ]; then |
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if [ -z "$architecture" ]; then |
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architecture=amd64 |
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_command_exists dpkg && architecture="$(dpkg --print-architecture)" |
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fi |
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base_url="$mirror_protocol://$mirror_host$mirror_directory/dists/$suite/main/installer-$architecture/current/images/netboot/debian-installer/$architecture" |
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if _command_exists wget; then |
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wget "$base_url/linux" "$base_url/initrd.gz" |
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elif _command_exists curl; then |
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curl -O "$base_url/linux" -O "$base_url/initrd.gz" |
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elif _command_exists busybox; then |
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busybox wget "$base_url/linux" "$base_url/initrd.gz" |
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else |
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_err 'wget/curl/busybox is required to download files' |
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fi |
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gunzip initrd.gz |
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echo preseed.cfg | cpio -H newc -o -A -F initrd |
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gzip initrd |
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if _command_exists update-grub; then |
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grub_cfg=/boot/grub/grub.cfg |
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update-grub |
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elif _command_exists grub2-mkconfig; then |
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grub_cfg=/boot/grub2/grub.cfg |
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grub2-mkconfig -o "$grub_cfg" |
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else |
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_err 'update-grub/grub2-mkconfig command not found' |
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fi |
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save_grub_cfg="tee -a $grub_cfg" |
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fi |
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installer_directory="$boot_directory$installer" |
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$save_grub_cfg << EOF |
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menuentry 'Debian Installer' --id debi { |
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insmod part_msdos |
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insmod part_gpt |
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insmod ext2 |
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linux $installer_directory/linux$kernel_params |
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initrd $installer_directory/initrd.gz |
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} |
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EOF
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