Add Proxmox Backup Client installer script
This script installs the Proxmox Backup Client on various Linux distributions, configures it, and sets up a systemd service for automated backups.
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pbs-client-installer.sh
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611
pbs-client-installer.sh
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#!/bin/bash
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set -e
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# Colors for output
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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BLUE='\033[0;34m'
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NC='\033[0m' # No Color
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# Script configuration
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SCRIPT_VERSION="1.0.0"
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CONFIG_DIR="/etc/proxmox-backup-client"
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LOG_FILE="/var/log/pbs-client-installer.log"
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# Helper functions
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log() {
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echo -e "${GREEN}[$(date +'%Y-%m-%d %H:%M:%S')]${NC} $1"
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echo "[$(date +'%Y-%m-%d %H:%M:%S')] $1" >> "$LOG_FILE"
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}
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error() {
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echo -e "${RED}[ERROR]${NC} $1" >&2
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echo "[ERROR] $1" >> "$LOG_FILE"
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}
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warn() {
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echo -e "${YELLOW}[WARN]${NC} $1"
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echo "[WARN] $1" >> "$LOG_FILE"
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}
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info() {
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echo -e "${BLUE}[INFO]${NC} $1"
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}
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prompt() {
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local prompt_text="$1"
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local default_value="$2"
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local user_input
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if [ -n "$default_value" ]; then
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read -p "$(echo -e ${BLUE}${prompt_text}${NC} [${default_value}]: )" user_input
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echo "${user_input:-$default_value}"
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else
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read -p "$(echo -e ${BLUE}${prompt_text}${NC}: )" user_input
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echo "$user_input"
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fi
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}
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prompt_password() {
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local prompt_text="$1"
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local user_input
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read -sp "$(echo -e ${BLUE}${prompt_text}${NC}: )" user_input
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echo
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echo "$user_input"
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}
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# Check if running as root
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check_root() {
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if [ "$EUID" -ne 0 ]; then
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error "This script must be run as root (use sudo)"
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exit 1
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fi
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}
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# Detect Linux distribution
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detect_distro() {
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log "Detecting Linux distribution..."
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if [ -f /etc/os-release ]; then
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. /etc/os-release
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OS=$ID
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OS_VERSION=$VERSION_ID
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OS_PRETTY=$PRETTY_NAME
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elif [ -f /etc/lsb-release ]; then
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. /etc/lsb-release
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OS=$DISTRIB_ID
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OS_VERSION=$DISTRIB_RELEASE
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OS_PRETTY=$DISTRIB_DESCRIPTION
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else
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error "Cannot detect Linux distribution"
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exit 1
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fi
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info "Detected: $OS_PRETTY"
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# Normalize OS names
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OS=$(echo "$OS" | tr '[:upper:]' '[:lower:]')
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}
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# Install PBS client on Ubuntu
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install_ubuntu() {
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log "Installing Proxmox Backup Client on Ubuntu $OS_VERSION..."
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# Determine which repository to use
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if [[ "$OS_VERSION" == "24.04" ]] || [[ "$OS_VERSION" > "24" ]]; then
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REPO="bookworm"
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GPG_FILE="proxmox-release-bookworm.gpg"
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elif [[ "$OS_VERSION" == "22.04" ]]; then
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REPO="bullseye"
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GPG_FILE="proxmox-release-bullseye.gpg"
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# Need to add Focal security repo for libssl1.1
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NEED_FOCAL=true
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elif [[ "$OS_VERSION" == "20.04" ]]; then
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REPO="bullseye"
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GPG_FILE="proxmox-release-bullseye.gpg"
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else
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error "Unsupported Ubuntu version: $OS_VERSION"
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exit 1
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fi
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# Download and install GPG key
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log "Downloading GPG key..."
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wget -q "https://enterprise.proxmox.com/debian/${GPG_FILE}" \
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-O "/etc/apt/trusted.gpg.d/${GPG_FILE}"
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# Add PBS client repository
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log "Adding PBS client repository..."
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echo "deb [arch=amd64] http://download.proxmox.com/debian/pbs-client ${REPO} main" > \
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/etc/apt/sources.list.d/pbs-client.list
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# Add Focal security repo if needed (Ubuntu 22.04)
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if [ "$NEED_FOCAL" = true ]; then
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log "Adding Ubuntu Focal security repository for libssl1.1..."
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echo "deb [arch=amd64] http://security.ubuntu.com/ubuntu focal-security main" > \
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/etc/apt/sources.list.d/focal-security.list
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fi
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# Update and install
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log "Updating package lists..."
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apt-get update -qq
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log "Installing proxmox-backup-client..."
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apt-get install -y proxmox-backup-client
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log "PBS client installed successfully"
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}
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# Install PBS client on Debian
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install_debian() {
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log "Installing Proxmox Backup Client on Debian $OS_VERSION..."
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# Determine repository based on Debian version
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case "$OS_VERSION" in
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12*)
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REPO="bookworm"
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GPG_FILE="proxmox-release-bookworm.gpg"
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;;
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11*)
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REPO="bullseye"
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GPG_FILE="proxmox-release-bullseye.gpg"
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;;
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10*)
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REPO="buster"
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GPG_FILE="proxmox-release-buster.gpg"
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;;
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*)
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error "Unsupported Debian version: $OS_VERSION"
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exit 1
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;;
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esac
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# Download and install GPG key
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log "Downloading GPG key..."
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wget -q "https://enterprise.proxmox.com/debian/${GPG_FILE}" \
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-O "/etc/apt/trusted.gpg.d/${GPG_FILE}"
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# Add PBS client repository
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log "Adding PBS client repository..."
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echo "deb [arch=amd64] http://download.proxmox.com/debian/pbs-client ${REPO} main" > \
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/etc/apt/sources.list.d/pbs-client.list
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# Update and install
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log "Updating package lists..."
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apt-get update -qq
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log "Installing proxmox-backup-client..."
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apt-get install -y proxmox-backup-client
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log "PBS client installed successfully"
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}
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# Install PBS client on Arch Linux
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install_arch() {
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log "Installing Proxmox Backup Client on Arch Linux..."
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# Check if yay is installed
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if ! command -v yay &> /dev/null; then
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error "yay AUR helper is required but not installed"
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info "Install yay first: https://github.com/Jguer/yay"
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exit 1
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fi
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# Get the user who invoked sudo
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if [ -n "$SUDO_USER" ]; then
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REAL_USER="$SUDO_USER"
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else
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error "Cannot determine original user. Run with sudo."
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exit 1
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fi
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log "Installing proxmox-backup-client-bin from AUR..."
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sudo -u "$REAL_USER" yay -S --noconfirm proxmox-backup-client-bin
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log "PBS client installed successfully"
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}
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# Main installation function
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install_pbs_client() {
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case "$OS" in
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ubuntu)
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install_ubuntu
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;;
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debian)
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install_debian
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;;
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arch|archlinux)
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install_arch
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;;
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*)
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error "Unsupported distribution: $OS"
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info "Supported distributions: Ubuntu, Debian, Arch Linux"
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exit 1
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;;
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esac
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# Verify installation
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if command -v proxmox-backup-client &> /dev/null; then
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local version=$(proxmox-backup-client version 2>/dev/null | head -n1)
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log "Installation verified: $version"
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return 0
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else
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error "Installation verification failed"
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return 1
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fi
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}
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# Interactive configuration
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interactive_config() {
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log "Starting interactive configuration..."
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echo
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echo "======================================"
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echo " PBS Client Configuration"
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echo "======================================"
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echo
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# PBS Server details
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PBS_SERVER=$(prompt "Enter PBS server IP/hostname" "192.168.1.181")
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PBS_PORT=$(prompt "Enter PBS server port" "8007")
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PBS_DATASTORE=$(prompt "Enter datastore name" "backups")
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echo
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info "Authentication Method:"
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echo " 1) Username + Password"
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echo " 2) API Token (recommended for automation)"
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AUTH_METHOD=$(prompt "Select authentication method [1/2]" "2")
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if [ "$AUTH_METHOD" = "1" ]; then
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PBS_USERNAME=$(prompt "Enter username" "root")
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PBS_REALM=$(prompt "Enter realm" "pam")
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PBS_PASSWORD=$(prompt_password "Enter password")
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PBS_REPOSITORY="${PBS_USERNAME}@${PBS_REALM}@${PBS_SERVER}:${PBS_PORT}:${PBS_DATASTORE}"
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else
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PBS_USERNAME=$(prompt "Enter username" "backup")
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PBS_REALM=$(prompt "Enter realm" "pbs")
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PBS_TOKEN_NAME=$(prompt "Enter token name" "backup-token")
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PBS_TOKEN_SECRET=$(prompt_password "Enter token secret")
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PBS_REPOSITORY="${PBS_USERNAME}@${PBS_REALM}!${PBS_TOKEN_NAME}@${PBS_SERVER}:${PBS_PORT}:${PBS_DATASTORE}"
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PBS_PASSWORD="$PBS_TOKEN_SECRET"
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fi
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echo
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# Backup configuration
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info "Backup Configuration:"
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BACKUP_PATHS=$(prompt "Enter paths to backup (space-separated)" "/")
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EXCLUDE_PATTERNS=$(prompt "Enter exclusion patterns (space-separated)" "/tmp /var/tmp /var/cache /proc /sys /dev /run")
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echo
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info "Backup Schedule:"
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echo " 1) Hourly"
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echo " 2) Daily (recommended)"
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echo " 3) Weekly"
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echo " 4) Custom"
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SCHEDULE_TYPE=$(prompt "Select schedule type [1/2/3/4]" "2")
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case "$SCHEDULE_TYPE" in
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1)
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TIMER_SCHEDULE="hourly"
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TIMER_ONCALENDAR="hourly"
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;;
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2)
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BACKUP_HOUR=$(prompt "Enter hour for daily backup (0-23)" "2")
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TIMER_SCHEDULE="daily"
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TIMER_ONCALENDAR="*-*-* ${BACKUP_HOUR}:00:00"
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;;
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3)
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BACKUP_DOW=$(prompt "Enter day of week (Mon-Sun)" "Sun")
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BACKUP_HOUR=$(prompt "Enter hour (0-23)" "2")
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TIMER_SCHEDULE="weekly"
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TIMER_ONCALENDAR="${BACKUP_DOW} *-*-* ${BACKUP_HOUR}:00:00"
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;;
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4)
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TIMER_ONCALENDAR=$(prompt "Enter systemd OnCalendar format" "*-*-* 02:00:00")
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TIMER_SCHEDULE="custom"
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;;
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esac
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echo
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# Retention policy
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info "Retention Policy:"
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KEEP_LAST=$(prompt "Keep last N backups" "3")
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KEEP_DAILY=$(prompt "Keep daily backups for N days" "7")
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KEEP_WEEKLY=$(prompt "Keep weekly backups for N weeks" "4")
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KEEP_MONTHLY=$(prompt "Keep monthly backups for N months" "6")
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# Encryption
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echo
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ENABLE_ENCRYPTION=$(prompt "Enable encryption? (yes/no)" "yes")
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}
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# Create encryption key
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create_encryption_key() {
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if [[ "$ENABLE_ENCRYPTION" == "yes" ]]; then
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log "Creating encryption key..."
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# Create config directory for root
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mkdir -p /root/.config/proxmox-backup
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# Generate key without password (for automated backups)
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if proxmox-backup-client key create --kdf none 2>/dev/null; then
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log "Encryption key created successfully"
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# Create paper backup
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local paper_key="/root/pbs-encryption-key-$(date +%Y%m%d).txt"
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proxmox-backup-client key paperkey --output-format text > "$paper_key"
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warn "IMPORTANT: Encryption key paper backup saved to: $paper_key"
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warn "Print this file and store it securely. Lost keys = permanent data loss!"
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# Copy to config dir for service
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cp /root/.config/proxmox-backup/encryption-key.json "$CONFIG_DIR/"
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else
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error "Failed to create encryption key"
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return 1
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fi
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fi
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}
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# Test connection to PBS
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test_connection() {
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log "Testing connection to PBS server..."
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export PBS_REPOSITORY="$PBS_REPOSITORY"
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export PBS_PASSWORD="$PBS_PASSWORD"
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if proxmox-backup-client snapshot list &>/dev/null; then
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log "Connection test successful!"
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return 0
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else
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error "Connection test failed"
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error "Please verify your server details and credentials"
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return 1
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fi
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}
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# Create systemd service
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create_systemd_service() {
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log "Creating systemd service and timer..."
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# Create config directory
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mkdir -p "$CONFIG_DIR"
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# Save configuration
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cat > "$CONFIG_DIR/config" <<EOF
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# PBS Client Configuration
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PBS_REPOSITORY="${PBS_REPOSITORY}"
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PBS_PASSWORD="${PBS_PASSWORD}"
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BACKUP_PATHS="${BACKUP_PATHS}"
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EXCLUDE_PATTERNS="${EXCLUDE_PATTERNS}"
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KEEP_LAST=${KEEP_LAST}
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KEEP_DAILY=${KEEP_DAILY}
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KEEP_WEEKLY=${KEEP_WEEKLY}
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KEEP_MONTHLY=${KEEP_MONTHLY}
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EOF
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chmod 600 "$CONFIG_DIR/config"
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# Create backup script
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cat > "$CONFIG_DIR/backup.sh" <<'EOFSCRIPT'
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#!/bin/bash
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set -e
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# Load configuration
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source /etc/proxmox-backup-client/config
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# Export for PBS client
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export PBS_REPOSITORY
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export PBS_PASSWORD
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# Build backup command
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BACKUP_CMD="proxmox-backup-client backup"
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HOSTNAME=$(hostname)
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# Add each path as separate archive
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for path in $BACKUP_PATHS; do
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# Sanitize path for archive name
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archive_name=$(echo "$path" | sed 's/^\///' | sed 's/\//-/g')
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[ -z "$archive_name" ] && archive_name="root"
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BACKUP_CMD="$BACKUP_CMD ${archive_name}.pxar:${path}"
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# Add --include-dev for mount points
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if mountpoint -q "$path" 2>/dev/null; then
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BACKUP_CMD="$BACKUP_CMD --include-dev ${path}"
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fi
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done
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# Add exclusions
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for pattern in $EXCLUDE_PATTERNS; do
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BACKUP_CMD="$BACKUP_CMD --exclude=${pattern}"
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done
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# Add other options
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BACKUP_CMD="$BACKUP_CMD --skip-lost-and-found --change-detection-mode=metadata"
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# Execute backup
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echo "[$(date)] Starting backup..."
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if eval $BACKUP_CMD; then
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echo "[$(date)] Backup completed successfully"
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# Prune old backups
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echo "[$(date)] Pruning old backups..."
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proxmox-backup-client prune "host/${HOSTNAME}" \
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--keep-last $KEEP_LAST \
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--keep-daily $KEEP_DAILY \
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--keep-weekly $KEEP_WEEKLY \
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--keep-monthly $KEEP_MONTHLY
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echo "[$(date)] Prune completed"
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else
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echo "[$(date)] Backup FAILED" >&2
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exit 1
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fi
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EOFSCRIPT
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chmod 700 "$CONFIG_DIR/backup.sh"
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# Create systemd service file
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cat > /etc/systemd/system/pbs-backup.service <<EOF
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[Unit]
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Description=Proxmox Backup Client Backup
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After=network-online.target
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Wants=network-online.target
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[Service]
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Type=oneshot
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ExecStart=$CONFIG_DIR/backup.sh
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StandardOutput=journal
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StandardError=journal
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SyslogIdentifier=pbs-backup
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[Install]
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WantedBy=multi-user.target
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EOF
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# Create systemd timer file
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cat > /etc/systemd/system/pbs-backup.timer <<EOF
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[Unit]
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Description=Proxmox Backup Client Backup Timer
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Requires=pbs-backup.service
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[Timer]
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OnCalendar=${TIMER_ONCALENDAR}
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Persistent=true
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[Install]
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WantedBy=timers.target
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EOF
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# Reload systemd and enable timer
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systemctl daemon-reload
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systemctl enable pbs-backup.timer
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systemctl start pbs-backup.timer
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log "Systemd service and timer created successfully"
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# Show timer status
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info "Timer status:"
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systemctl status pbs-backup.timer --no-pager || true
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}
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# Run backup immediately
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run_backup_now() {
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echo
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RUN_NOW=$(prompt "Do you want to run a backup now? (yes/no)" "no")
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|
||||
if [[ "$RUN_NOW" == "yes" ]]; then
|
||||
log "Starting immediate backup..."
|
||||
echo
|
||||
|
||||
if systemctl start pbs-backup.service; then
|
||||
log "Backup job started"
|
||||
echo
|
||||
info "View backup progress with:"
|
||||
echo " sudo journalctl -fu pbs-backup.service"
|
||||
echo
|
||||
|
||||
# Ask if they want to follow logs
|
||||
FOLLOW_LOGS=$(prompt "Follow backup logs now? (yes/no)" "yes")
|
||||
if [[ "$FOLLOW_LOGS" == "yes" ]]; then
|
||||
journalctl -fu pbs-backup.service
|
||||
fi
|
||||
else
|
||||
error "Failed to start backup job"
|
||||
fi
|
||||
fi
|
||||
}
|
||||
|
||||
# Show summary and next steps
|
||||
show_summary() {
|
||||
echo
|
||||
echo "======================================"
|
||||
echo " Installation Complete!"
|
||||
echo "======================================"
|
||||
echo
|
||||
info "Configuration Summary:"
|
||||
echo " PBS Server: ${PBS_SERVER}:${PBS_PORT}"
|
||||
echo " Datastore: ${PBS_DATASTORE}"
|
||||
echo " Repository: ${PBS_REPOSITORY}"
|
||||
echo " Backup Paths: ${BACKUP_PATHS}"
|
||||
echo " Schedule: ${TIMER_SCHEDULE} (${TIMER_ONCALENDAR})"
|
||||
echo
|
||||
info "Useful Commands:"
|
||||
echo " Check timer status: sudo systemctl status pbs-backup.timer"
|
||||
echo " Check service logs: sudo journalctl -u pbs-backup.service"
|
||||
echo " Run backup now: sudo systemctl start pbs-backup.service"
|
||||
echo " List backups: sudo -E proxmox-backup-client snapshot list"
|
||||
echo " Disable backups: sudo systemctl disable pbs-backup.timer"
|
||||
echo
|
||||
info "Configuration Files:"
|
||||
echo " Config: $CONFIG_DIR/config"
|
||||
echo " Backup script: $CONFIG_DIR/backup.sh"
|
||||
echo " Service: /etc/systemd/system/pbs-backup.service"
|
||||
echo " Timer: /etc/systemd/system/pbs-backup.timer"
|
||||
|
||||
if [[ "$ENABLE_ENCRYPTION" == "yes" ]]; then
|
||||
echo
|
||||
warn "IMPORTANT: Backup your encryption key!"
|
||||
echo " Key location: /root/.config/proxmox-backup/encryption-key.json"
|
||||
echo " Paper backup: /root/pbs-encryption-key-*.txt"
|
||||
fi
|
||||
|
||||
echo
|
||||
log "Setup completed successfully!"
|
||||
}
|
||||
|
||||
# Main script execution
|
||||
main() {
|
||||
echo
|
||||
echo "╔════════════════════════════════════════╗"
|
||||
echo "║ Proxmox Backup Client Installer ║"
|
||||
echo "║ Version: ${SCRIPT_VERSION} ║"
|
||||
echo "╚════════════════════════════════════════╝"
|
||||
echo
|
||||
|
||||
# Create log file
|
||||
touch "$LOG_FILE"
|
||||
|
||||
# Check root
|
||||
check_root
|
||||
|
||||
# Detect distribution
|
||||
detect_distro
|
||||
|
||||
# Check if PBS client is already installed
|
||||
if command -v proxmox-backup-client &> /dev/null; then
|
||||
warn "Proxmox Backup Client is already installed"
|
||||
REINSTALL=$(prompt "Do you want to reinstall? (yes/no)" "no")
|
||||
if [[ "$REINSTALL" != "yes" ]]; then
|
||||
info "Skipping installation, proceeding to configuration..."
|
||||
else
|
||||
install_pbs_client
|
||||
fi
|
||||
else
|
||||
install_pbs_client
|
||||
fi
|
||||
|
||||
# Interactive configuration
|
||||
interactive_config
|
||||
|
||||
# Create encryption key
|
||||
create_encryption_key
|
||||
|
||||
# Test connection
|
||||
if ! test_connection; then
|
||||
error "Cannot proceed without successful connection to PBS"
|
||||
exit 1
|
||||
fi
|
||||
|
||||
# Create systemd service
|
||||
create_systemd_service
|
||||
|
||||
# Offer to run backup now
|
||||
run_backup_now
|
||||
|
||||
# Show summary
|
||||
show_summary
|
||||
}
|
||||
|
||||
# Run main function
|
||||
main "$@"
|
||||
Loading…
Reference in a new issue