Files
Ubuntu24_LXC/install/ubuntu-install.sh
martin 4e612b51e5 🐛 fix: Odstránenie závislosti na jq — parsovanie JSON cez grep/sed
Proxmox host nemá jq nainštalované. Parsovanie users.json
prepísané na grep/sed/awk v ct/ubuntu.sh aj ubuntu-install.sh.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-16 15:35:28 +01:00

148 lines
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#!/usr/bin/env bash
# Inštalačný skript pre Ubuntu 24.04 LXC kontajner
# Beží VNÚTRI kontajnera po jeho vytvorení
source /dev/stdin <<<"$FUNCTIONS_FILE_PATH"
color
verb_ip6
catch_errors
setting_up_container
network_check
update_os
# =============================================================================
# Inštalácia balíčkov
# =============================================================================
msg_info "Inštalujem dodatočné balíčky"
$STD apt-get install -y mc wget git curl openssh-server
msg_ok "Balíčky nainštalované"
# =============================================================================
# Vytvorenie užívateľov z USERS_JSON + SELECTED_USERS
# =============================================================================
if [[ -n "${USERS_JSON:-}" && -n "${SELECTED_USERS:-}" ]]; then
msg_info "Vytváram užívateľov"
# Parsovanie SELECTED_USERS (whiptail vracia "user1" "user2" formát)
selected_list=$(echo "$SELECTED_USERS" | tr -d '"')
# Parsovanie users.json bez jq — cez grep/sed/awk
# Prechádzame každý blok užívateľa
current_user=""
current_sudo="false"
current_keys=()
in_keys=false
while IFS= read -r line; do
# Detekcia username
if echo "$line" | grep -q '"username"'; then
# Ak máme predchádzajúceho užívateľa, spracuj ho
if [[ -n "$current_user" ]]; then
# Kontrola, či bol užívateľ vybraný
if echo "$selected_list" | grep -qw "$current_user"; then
# Vytvorenie užívateľa s náhodným heslom
random_pw=$(openssl rand -base64 16)
useradd -m -s /bin/bash "$current_user"
echo "${current_user}:${random_pw}" | chpasswd
# SSH kľúče
user_home="/home/${current_user}"
mkdir -p "${user_home}/.ssh"
chmod 700 "${user_home}/.ssh"
for key in "${current_keys[@]}"; do
echo "$key" >> "${user_home}/.ssh/authorized_keys"
done
chmod 600 "${user_home}/.ssh/authorized_keys"
chown -R "${current_user}:${current_user}" "${user_home}/.ssh"
# Sudo bez hesla
if [[ "$current_sudo" == "true" ]]; then
echo "${current_user} ALL=(ALL) NOPASSWD: ALL" > "/etc/sudoers.d/${current_user}"
chmod 440 "/etc/sudoers.d/${current_user}"
fi
msg_ok "Užívateľ vytvorený: ${current_user}"
fi
fi
current_user=$(echo "$line" | sed 's/.*"username"[[:space:]]*:[[:space:]]*"\([^"]*\)".*/\1/')
current_sudo="false"
current_keys=()
in_keys=false
fi
# Detekcia sudo
if echo "$line" | grep -q '"sudo"'; then
if echo "$line" | grep -q 'true'; then
current_sudo="true"
fi
fi
# Detekcia SSH kľúčov
if echo "$line" | grep -q '"ssh_keys"'; then
in_keys=true
continue
fi
if [[ "$in_keys" == true ]]; then
if echo "$line" | grep -q '\]'; then
in_keys=false
continue
fi
local key
key=$(echo "$line" | sed 's/.*"\(ssh-[^"]*\)".*/\1/')
[[ -n "$key" && "$key" != "$line" ]] && current_keys+=("$key")
fi
done <<< "$USERS_JSON"
# Spracuj posledného užívateľa
if [[ -n "$current_user" ]]; then
if echo "$selected_list" | grep -qw "$current_user"; then
random_pw=$(openssl rand -base64 16)
useradd -m -s /bin/bash "$current_user"
echo "${current_user}:${random_pw}" | chpasswd
user_home="/home/${current_user}"
mkdir -p "${user_home}/.ssh"
chmod 700 "${user_home}/.ssh"
for key in "${current_keys[@]}"; do
echo "$key" >> "${user_home}/.ssh/authorized_keys"
done
chmod 600 "${user_home}/.ssh/authorized_keys"
chown -R "${current_user}:${current_user}" "${user_home}/.ssh"
if [[ "$current_sudo" == "true" ]]; then
echo "${current_user} ALL=(ALL) NOPASSWD: ALL" > "/etc/sudoers.d/${current_user}"
chmod 440 "/etc/sudoers.d/${current_user}"
fi
msg_ok "Užívateľ vytvorený: ${current_user}"
fi
fi
fi
# =============================================================================
# SSH Hardening
# =============================================================================
msg_info "Konfigurujem SSH"
# Záloha pôvodnej konfigurácie
cp /etc/ssh/sshd_config /etc/ssh/sshd_config.bak
# Zakázať root login a prihlásenie heslom
sed -i 's/^#\?PermitRootLogin.*/PermitRootLogin no/' /etc/ssh/sshd_config
sed -i 's/^#\?PasswordAuthentication.*/PasswordAuthentication no/' /etc/ssh/sshd_config
sed -i 's/^#\?PubkeyAuthentication.*/PubkeyAuthentication yes/' /etc/ssh/sshd_config
sed -i 's/^#\?ChallengeResponseAuthentication.*/ChallengeResponseAuthentication no/' /etc/ssh/sshd_config
# Reštart SSH
systemctl enable ssh
systemctl restart ssh
msg_ok "SSH nakonfigurované (len kľúče, root zakázaný)"
# =============================================================================
# Štandardné dokončenie
# =============================================================================
motd_ssh
customize
cleanup_lxc