202 lines
6.9 KiB
Bash
202 lines
6.9 KiB
Bash
#!/usr/bin/env bash
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set -Eeuo pipefail
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readonly SWAPFILE="/swapfile"
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readonly SWAPSIZE="2G"
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readonly SWAPPINESS="20"
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readonly SYSCTL_FILE="/etc/sysctl.d/60-hermes-swap.conf"
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readonly CONFIG_DIR="/etc/ochenstarik-server"
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readonly LOCALE_BACKUP="${CONFIG_DIR}/locale-before-russian.conf"
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readonly LOCALE_ABSENT_MARKER="${CONFIG_DIR}/locale-before-russian.absent"
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readonly LOCALE_PACKAGES="${CONFIG_DIR}/russian-locale-installed-packages.list"
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log() { printf '[+] %s\n' "$*"; }
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warn() { printf '[!] %s\n' "$*" >&2; }
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die() { printf '[x] %s\n' "$*" >&2; exit 1; }
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ask_yes_no() {
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local prompt="$1" default_answer="${2:-no}" answer suffix
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[[ "$default_answer" == yes || "$default_answer" == no ]] \
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|| die "Invalid default answer: $default_answer"
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[[ "$default_answer" == yes ]] && suffix='[Y/n]' || suffix='[y/N]'
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while :; do
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read -rp "$prompt $suffix " answer || die "Input was interrupted"
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answer="${answer:-$default_answer}"
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case "${answer,,}" in
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y|yes|д|да) return 0 ;;
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n|no|н|нет) return 1 ;;
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*) warn "Ответьте yes/no или да/нет" ;;
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esac
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done
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}
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package_is_installed() {
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dpkg-query -W -f='${Status}' "$1" 2>/dev/null | grep -Fqx 'install ok installed'
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}
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install_russian_terminal_locale() {
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local package_name
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local -a packages=(locales) newly_installed=()
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ask_yes_no "Установить русскую локаль терминала ru_RU.UTF-8?" no || {
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log "Русификация терминала пропущена"
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return 0
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}
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for package_name in apt-get apt-cache dpkg-query; do
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command -v "$package_name" >/dev/null 2>&1 \
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|| die "Required command not found: $package_name"
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done
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log "Обновление списка пакетов для русификации"
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apt-get update
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install -d -m 700 -o root -g root "$CONFIG_DIR"
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if [[ ! -e "$LOCALE_BACKUP" && ! -e "$LOCALE_ABSENT_MARKER" ]]; then
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if [[ -f /etc/default/locale && ! -L /etc/default/locale ]]; then
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cp -a -- /etc/default/locale "$LOCALE_BACKUP"
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chmod 600 "$LOCALE_BACKUP"
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else
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: > "$LOCALE_ABSENT_MARKER"
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chmod 600 "$LOCALE_ABSENT_MARKER"
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fi
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fi
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for package_name in language-pack-ru manpages-ru; do
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if apt-cache show "$package_name" >/dev/null 2>&1; then
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packages+=("$package_name")
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fi
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done
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for package_name in "${packages[@]}"; do
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package_is_installed "$package_name" || newly_installed+=("$package_name")
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done
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log "Установка пакетов русской локали"
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export DEBIAN_FRONTEND=noninteractive
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apt-get install -y "${packages[@]}"
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locale-gen ru_RU.UTF-8
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update-locale LANG=ru_RU.UTF-8 LANGUAGE=ru_RU:ru LC_MESSAGES=ru_RU.UTF-8
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touch "$LOCALE_PACKAGES"
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for package_name in "${newly_installed[@]}"; do
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grep -Fqx -- "$package_name" "$LOCALE_PACKAGES" \
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|| printf '%s\n' "$package_name" >> "$LOCALE_PACKAGES"
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done
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chown root:root "$LOCALE_PACKAGES"
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chmod 600 "$LOCALE_PACKAGES"
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log "Русская локаль включена. Она применится при следующем входе в терминал"
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}
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choose_numbered_option() {
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local prompt="$1" result_variable="$2" answer index
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shift 2
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local -a options=("$@")
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((${#options[@]} > 0)) || die "No options are available for: ${prompt}"
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while :; do
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printf '\n%s\n' "$prompt"
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for index in "${!options[@]}"; do
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printf ' %d) %s\n' "$((index + 1))" "${options[index]}"
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done
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read -rp "Enter the option number: " answer || die "Input was interrupted"
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if [[ "$answer" =~ ^[0-9]+$ ]] && ((answer >= 1 && answer <= ${#options[@]})); then
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printf -v "$result_variable" '%s' "${options[answer - 1]}"
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return 0
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fi
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warn "Enter a number from 1 to ${#options[@]}"
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done
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}
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choose_timezone_from_full_list() {
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local result_variable="$1" region selected_timezone
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local -a regions region_timezones
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mapfile -t regions < <(timedatectl list-timezones | awk -F/ 'NF > 1 && !seen[$1]++ { print $1 }')
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choose_numbered_option "Select a region:" region "${regions[@]}"
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mapfile -t region_timezones < <(timedatectl list-timezones | awk -F/ -v selected_region="$region" '$1 == selected_region')
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choose_numbered_option "Select a timezone in ${region}:" selected_timezone "${region_timezones[@]}"
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printf -v "$result_variable" '%s' "$selected_timezone"
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}
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choose_timezone() {
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local current_timezone timezone candidate
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local full_list_option="Other timezone (select by region)"
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local -a timezone_options=()
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current_timezone="$(timedatectl show --property=Timezone --value 2>/dev/null || true)"
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current_timezone="${current_timezone:-Asia/Novosibirsk}"
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for candidate in \
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"$current_timezone" \
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UTC \
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Europe/Moscow \
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Europe/Kaliningrad \
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Asia/Yekaterinburg \
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Asia/Omsk \
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Asia/Novosibirsk \
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Asia/Krasnoyarsk \
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Asia/Irkutsk \
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Asia/Yakutsk \
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Asia/Vladivostok \
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Asia/Magadan \
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Asia/Kamchatka; do
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if timedatectl list-timezones | grep -Fqx -- "$candidate" &&
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[[ ! " ${timezone_options[*]} " =~ " ${candidate} " ]]; then
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timezone_options+=("$candidate")
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fi
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done
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timezone_options+=("$full_list_option")
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choose_numbered_option "Select the server timezone (current: ${current_timezone}):" timezone "${timezone_options[@]}"
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if [[ "$timezone" == "$full_list_option" ]]; then
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choose_timezone_from_full_list timezone
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fi
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timedatectl list-timezones | grep -Fqx -- "$timezone" || die "Unknown timezone: $timezone"
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timedatectl set-timezone "$timezone"
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log "Timezone set to ${timezone}"
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}
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[[ "$EUID" -eq 0 ]] || die "Run this script as root"
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for command_name in awk blkid fallocate grep mkswap swapon sysctl timedatectl; do
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command -v "$command_name" >/dev/null 2>&1 || die "Required command not found: $command_name"
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done
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choose_timezone
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install_russian_terminal_locale
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log "Configuring ${SWAPSIZE} swap file"
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if [[ ! -e "$SWAPFILE" ]]; then
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fallocate -l "$SWAPSIZE" "$SWAPFILE"
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chmod 600 "$SWAPFILE"
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mkswap "$SWAPFILE"
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elif [[ ! -f "$SWAPFILE" || -L "$SWAPFILE" ]]; then
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die "$SWAPFILE exists but is not a regular non-symlink file"
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else
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chmod 600 "$SWAPFILE"
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swap_type="$(blkid -p -s TYPE -o value "$SWAPFILE" 2>/dev/null || true)"
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[[ "$swap_type" == swap ]] || die "$SWAPFILE exists but does not contain a swap signature"
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fi
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if ! swapon --show=NAME --noheadings | awk '{$1=$1}; $0 == "/swapfile" { found=1 } END { exit !found }'; then
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swapon "$SWAPFILE"
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fi
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if ! awk '$1 == "/swapfile" && $3 == "swap" { found=1 } END { exit !found }' /etc/fstab; then
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cp -a /etc/fstab "/etc/fstab.bak.$(date +%F-%H%M%S-%N)"
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printf '%s none swap sw 0 0\n' "$SWAPFILE" >> /etc/fstab
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fi
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cat > "$SYSCTL_FILE" <<EOF
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# Managed by ochenstarik-server-1.sh
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vm.swappiness=${SWAPPINESS}
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EOF
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chmod 644 "$SYSCTL_FILE"
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sysctl -p "$SYSCTL_FILE" >/dev/null
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log "Server memory setup is complete"
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printf 'Timezone: %s\n' "$(timedatectl show --property=Timezone --value)"
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swapon --show
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printf '\nNow run ochenstarik-server-2.sh as root.\n'
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