212 lines
8.8 KiB
Bash
212 lines
8.8 KiB
Bash
#!/usr/bin/env bash
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# lib/build.func — shared host-side helpers for ct/*.sh
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#
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# Sourced via:
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# source <(curl -fsSL https://gitea.luki-net.org/luki-net/proxmox-scripts/raw/branch/main/lib/build.func)
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#
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# Caller (ct/<app>.sh) is expected to set:
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# APP short app name (used for filenames, banner)
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# APP_DESCRIPTION one-line description (shown in banner)
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# INSTALL_SCRIPT_URL URL of the matching install/<app>-install.sh
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# and may override the DEFAULT_* values below.
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#
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# Caller may define print_app_summary() to customize the trailing summary.
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# ── colors / logging ─────────────────────────────────────────────────────────
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if [[ -z "${_COLORS_LOADED:-}" ]]; then
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RED="\033[0;31m"; GREEN="\033[0;32m"; YELLOW="\033[1;33m"; BLUE="\033[0;34m"; NC="\033[0m"
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_COLORS_LOADED=1
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fi
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msg_info() { echo -e "${BLUE}[i]${NC} $*"; }
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msg_ok() { echo -e "${GREEN}[✓]${NC} $*"; }
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msg_warn() { echo -e "${YELLOW}[!]${NC} $*"; }
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msg_err() { echo -e "${RED}[✗]${NC} $*" >&2; }
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# ── defaults (per-script overridable before sourcing or via env) ─────────────
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DEFAULT_HOSTNAME="${DEFAULT_HOSTNAME:-lxc}"
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DEFAULT_DISK="${DEFAULT_DISK:-8}"
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DEFAULT_CORES="${DEFAULT_CORES:-2}"
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DEFAULT_RAM="${DEFAULT_RAM:-1024}"
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DEFAULT_BRIDGE="${DEFAULT_BRIDGE:-vmbr0}"
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DEFAULT_TEMPLATE_STORAGE="${DEFAULT_TEMPLATE_STORAGE:-local}"
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DEFAULT_ROOTFS_STORAGE="${DEFAULT_ROOTFS_STORAGE:-local-lvm}"
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DEFAULT_TEMPLATE_PATTERN="${DEFAULT_TEMPLATE_PATTERN:-debian-12-standard}"
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# ── error trap ───────────────────────────────────────────────────────────────
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_on_error() {
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local exit_code=$?
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msg_err "Installation failed (exit $exit_code)"
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if [[ -n "${CTID:-}" ]] && pct status "$CTID" >/dev/null 2>&1; then
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msg_warn "LXC $CTID was created. To clean up: pct stop $CTID && pct destroy $CTID"
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fi
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exit "$exit_code"
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}
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# ── checks ───────────────────────────────────────────────────────────────────
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preflight_pve() {
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[[ "$EUID" -eq 0 ]] || { msg_err "Must run as root"; exit 1; }
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command -v pveversion >/dev/null 2>&1 || { msg_err "Not a Proxmox VE host (pveversion not found)"; exit 1; }
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}
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show_header() {
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local app="$1" desc="${2:-}"
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clear
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echo "═══════════════════════════════════════════════════════════════"
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echo " ${app} · Proxmox LXC installer"
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[[ -n "$desc" ]] && echo " ${desc}"
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echo " luki-net/proxmox-scripts"
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echo "═══════════════════════════════════════════════════════════════"
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echo
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}
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# ── prompts ──────────────────────────────────────────────────────────────────
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# Each prompt is skipped if the corresponding variable is already set in env.
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prompt_lxc_config() {
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if [[ -z "${CTID:-}" ]]; then
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read -rp "Container ID [auto]: " CTID
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[[ -z "${CTID:-}" ]] && CTID=$(pvesh get /cluster/nextid)
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fi
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echo " → CTID: $CTID"
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if [[ -z "${HOSTNAME:-}" ]]; then
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read -rp "Hostname [$DEFAULT_HOSTNAME]: " HOSTNAME
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HOSTNAME="${HOSTNAME:-$DEFAULT_HOSTNAME}"
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fi
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if [[ -z "${DISK_SIZE:-}" ]]; then
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read -rp "Disk size in GB [$DEFAULT_DISK]: " DISK_SIZE
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DISK_SIZE="${DISK_SIZE:-$DEFAULT_DISK}"
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fi
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if [[ -z "${CORES:-}" ]]; then
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read -rp "vCPU cores [$DEFAULT_CORES]: " CORES
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CORES="${CORES:-$DEFAULT_CORES}"
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fi
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if [[ -z "${RAM:-}" ]]; then
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read -rp "RAM in MB [$DEFAULT_RAM]: " RAM
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RAM="${RAM:-$DEFAULT_RAM}"
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fi
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if [[ -z "${BRIDGE:-}" ]]; then
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read -rp "Bridge [$DEFAULT_BRIDGE]: " BRIDGE
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BRIDGE="${BRIDGE:-$DEFAULT_BRIDGE}"
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fi
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if [[ -z "${TEMPLATE_STORAGE:-}" ]]; then
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read -rp "Template storage [$DEFAULT_TEMPLATE_STORAGE]: " TEMPLATE_STORAGE
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TEMPLATE_STORAGE="${TEMPLATE_STORAGE:-$DEFAULT_TEMPLATE_STORAGE}"
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fi
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if [[ -z "${ROOTFS_STORAGE:-}" ]]; then
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read -rp "Rootfs storage [$DEFAULT_ROOTFS_STORAGE]: " ROOTFS_STORAGE
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ROOTFS_STORAGE="${ROOTFS_STORAGE:-$DEFAULT_ROOTFS_STORAGE}"
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fi
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if [[ -z "${IPCFG:-}" ]]; then
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read -rp "Network: IP/CIDR or 'dhcp' [dhcp]: " IPCFG
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IPCFG="${IPCFG:-dhcp}"
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fi
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GATEWAY="${GATEWAY:-}"
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if [[ "$IPCFG" != "dhcp" && -z "$GATEWAY" ]]; then
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read -rp "Gateway: " GATEWAY
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fi
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}
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# ── template ─────────────────────────────────────────────────────────────────
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resolve_debian_template() {
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msg_info "Resolving template ($DEFAULT_TEMPLATE_PATTERN)..."
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pveam update >/dev/null 2>&1 || true
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TEMPLATE=$(pveam available --section system \
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| awk -v t="$DEFAULT_TEMPLATE_PATTERN" '$2 ~ t {print $2}' \
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| sort -V | tail -n1)
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[[ -n "$TEMPLATE" ]] || { msg_err "No template matching '$DEFAULT_TEMPLATE_PATTERN' found"; exit 1; }
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if ! pveam list "$TEMPLATE_STORAGE" 2>/dev/null | grep -q "$TEMPLATE"; then
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msg_info "Downloading template $TEMPLATE to $TEMPLATE_STORAGE..."
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pveam download "$TEMPLATE_STORAGE" "$TEMPLATE"
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fi
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msg_ok "Template: $TEMPLATE"
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}
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# ── LXC ──────────────────────────────────────────────────────────────────────
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create_lxc() {
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ROOT_PASSWORD=$(openssl rand -base64 18)
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local net_opts="name=eth0,bridge=$BRIDGE"
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if [[ "$IPCFG" == "dhcp" ]]; then
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net_opts+=",ip=dhcp"
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else
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net_opts+=",ip=$IPCFG,gw=$GATEWAY"
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fi
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msg_info "Creating unprivileged LXC $CTID ($HOSTNAME)..."
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pct create "$CTID" "$TEMPLATE_STORAGE:vztmpl/$TEMPLATE" \
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--hostname "$HOSTNAME" \
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--cores "$CORES" \
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--memory "$RAM" \
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--swap 512 \
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--rootfs "$ROOTFS_STORAGE:$DISK_SIZE" \
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--net0 "$net_opts" \
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--features nesting=1 \
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--unprivileged 1 \
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--onboot 1 \
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--ostype debian \
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--password "$ROOT_PASSWORD"
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msg_ok "LXC $CTID created"
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msg_info "Starting LXC..."
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pct start "$CTID"
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sleep 5
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msg_info "Waiting for network..."
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local i
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for i in {1..30}; do
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if pct exec "$CTID" -- getent hosts deb.debian.org >/dev/null 2>&1; then
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break
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fi
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sleep 2
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done
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msg_ok "Network up"
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}
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# ── bootstrap installer inside the container ─────────────────────────────────
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bootstrap_install_script() {
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local url="$1"
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msg_info "Installing curl in container..."
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pct exec "$CTID" -- bash -c "apt-get update -qq && apt-get install -y -qq curl ca-certificates >/dev/null"
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msg_info "Running installer ($url)..."
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pct exec "$CTID" -- bash -c "curl -fsSL '$url' -o /root/${APP}-install.sh && bash /root/${APP}-install.sh"
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}
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# ── summary ──────────────────────────────────────────────────────────────────
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get_container_ip() {
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pct exec "$CTID" -- bash -c "hostname -I | awk '{print \$1}'" | tr -d '\r\n'
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}
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# Override in ct/<app>.sh for app-specific output.
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print_app_summary() {
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echo " (no app-specific summary defined)"
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}
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print_summary() {
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IP_CT=$(get_container_ip)
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echo
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msg_ok "Installation complete!"
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echo
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echo "─────────────────────────────────────────────────────────────"
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echo " $APP LXC #$CTID — $HOSTNAME"
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echo "─────────────────────────────────────────────────────────────"
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print_app_summary
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echo
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echo " LXC root password: $ROOT_PASSWORD"
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echo "─────────────────────────────────────────────────────────────"
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echo
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}
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# ── orchestrator ─────────────────────────────────────────────────────────────
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run_installer() {
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trap _on_error ERR
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preflight_pve
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show_header "$APP" "${APP_DESCRIPTION:-}"
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prompt_lxc_config
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resolve_debian_template
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create_lxc
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bootstrap_install_script "$INSTALL_SCRIPT_URL"
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print_summary
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}
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