mirror of
https://github.com/rcourtman/Pulse.git
synced 2026-05-22 03:02:35 +00:00
9d74cadc68
Move service stop to happen before attempting to copy the binary file. This prevents the error when the binary is still in use by the running service. Added 2-second delay to ensure process fully releases the file.
469 lines
No EOL
14 KiB
Bash
Executable file
469 lines
No EOL
14 KiB
Bash
Executable file
#!/usr/bin/env bash
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# Pulse Installer Script for Go Version
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# Supports: Ubuntu 20.04+, Debian 11+, Proxmox VE 7+
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set -euo pipefail
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# Colors
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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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# Configuration
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INSTALL_DIR="/opt/pulse"
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CONFIG_DIR="/etc/pulse" # All config and data goes here for manual installs
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SERVICE_NAME="pulse"
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GITHUB_REPO="rcourtman/Pulse"
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REQUIRED_GO_VERSION="1.21"
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# Detect existing service name (pulse or pulse-backend)
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detect_service_name() {
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if systemctl list-unit-files --no-legend | grep -q "^pulse-backend.service"; then
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echo "pulse-backend"
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elif systemctl list-unit-files --no-legend | grep -q "^pulse.service"; then
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echo "pulse"
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else
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echo "pulse" # Default for new installations
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fi
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}
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# Functions
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print_header() {
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echo -e "${BLUE}=================================================${NC}"
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echo -e "${BLUE} Pulse Installation Script${NC}"
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echo -e "${BLUE}=================================================${NC}"
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echo
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}
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print_error() {
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echo -e "${RED}[ERROR] $1${NC}" >&2
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}
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print_success() {
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echo -e "${GREEN}[SUCCESS] $1${NC}"
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}
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print_info() {
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echo -e "${YELLOW}[INFO] $1${NC}"
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}
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check_root() {
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if [[ $EUID -ne 0 ]]; then
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print_error "This script must be run as root"
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exit 1
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fi
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}
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check_pre_v4_installation() {
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# Check for Node.js version indicators (pre-v4 used Node.js)
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# Note: pulse-backend.service is NOT a reliable indicator as v4 can use it too
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if [[ -f "$INSTALL_DIR/.env" ]] || \
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[[ -d "$INSTALL_DIR/node_modules" ]] || \
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[[ -f "$INSTALL_DIR/package.json" ]] || \
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[[ -f "$INSTALL_DIR/server.js" ]] || \
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[[ -d "$INSTALL_DIR/backend" ]] || \
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[[ -d "$INSTALL_DIR/frontend" ]]; then
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echo
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print_error "Pre-v4 Pulse Installation Detected"
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echo
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echo -e "${BLUE}=========================================================${NC}"
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echo -e "${YELLOW}Pulse v4 is a complete rewrite that requires migration${NC}"
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echo -e "${BLUE}=========================================================${NC}"
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echo
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echo "Your current installation appears to be a pre-v4 version."
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echo "Due to fundamental architecture changes, automatic upgrade is not supported."
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echo
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echo -e "${GREEN}Recommended approach:${NC}"
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echo "1. Create a fresh LXC container or VM"
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echo "2. Install Pulse v4 in the new environment"
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echo "3. Configure your nodes through the new web UI"
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echo "4. Reference your old .env file for credentials if needed"
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echo
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echo -e "${YELLOW}Your existing data is preserved at: $INSTALL_DIR${NC}"
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echo
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echo "For more information, see:"
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echo "https://github.com/rcourtman/Pulse/releases/v4.0.0"
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echo -e "${BLUE}=========================================================${NC}"
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echo
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exit 1
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fi
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}
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detect_os() {
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if [[ -f /etc/os-release ]]; then
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. /etc/os-release
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OS=$ID
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VER=$VERSION_ID
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else
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print_error "Cannot detect OS"
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exit 1
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fi
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}
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check_existing_installation() {
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if systemctl is-active --quiet $SERVICE_NAME 2>/dev/null; then
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print_info "Pulse is currently running"
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return 0
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elif [[ -f "$INSTALL_DIR/pulse" ]]; then
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print_info "Pulse is installed but not running"
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return 0
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else
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return 1
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fi
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}
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install_dependencies() {
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print_info "Installing dependencies..."
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apt-get update -qq
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apt-get install -y -qq curl wget git build-essential
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# Install Go if not present or version is too old
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if ! command -v go &> /dev/null; then
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print_info "Installing Go..."
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wget -q -O go.tar.gz https://go.dev/dl/go1.22.5.linux-amd64.tar.gz
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tar -C /usr/local -xzf go.tar.gz
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rm go.tar.gz
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export PATH=$PATH:/usr/local/go/bin
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echo 'export PATH=$PATH:/usr/local/go/bin' >> /etc/profile
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fi
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# Install Node.js for frontend build
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if ! command -v node &> /dev/null; then
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print_info "Installing Node.js..."
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curl -fsSL https://deb.nodesource.com/setup_20.x | bash -
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apt-get install -y nodejs
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fi
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}
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create_user() {
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if ! id -u pulse &>/dev/null; then
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print_info "Creating pulse user..."
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useradd --system --home-dir $INSTALL_DIR --shell /bin/false pulse
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fi
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}
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backup_existing() {
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if [[ -d "$CONFIG_DIR" ]]; then
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print_info "Backing up existing configuration..."
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cp -a "$CONFIG_DIR" "${CONFIG_DIR}.backup.$(date +%Y%m%d-%H%M%S)"
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fi
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}
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download_pulse() {
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print_info "Downloading Pulse..."
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# Check for forced version first
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if [[ -n "${FORCE_VERSION}" ]]; then
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LATEST_RELEASE="${FORCE_VERSION}"
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print_info "Installing specific version: $LATEST_RELEASE"
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# Verify the version exists
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if ! curl -fsS "https://api.github.com/repos/$GITHUB_REPO/releases/tags/$LATEST_RELEASE" > /dev/null 2>&1; then
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print_error "Version $LATEST_RELEASE not found"
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exit 1
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fi
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else
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# Check if user has RC channel configured
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UPDATE_CHANNEL="stable"
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# Allow override via command line
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if [[ -n "${FORCE_CHANNEL}" ]]; then
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UPDATE_CHANNEL="${FORCE_CHANNEL}"
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print_info "Using $UPDATE_CHANNEL channel from command line"
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elif [[ -f "$CONFIG_DIR/system.json" ]]; then
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CONFIGURED_CHANNEL=$(cat "$CONFIG_DIR/system.json" 2>/dev/null | grep -o '"updateChannel"[[:space:]]*:[[:space:]]*"[^"]*"' | sed 's/.*"\([^"]*\)"$/\1/')
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if [[ "$CONFIGURED_CHANNEL" == "rc" ]]; then
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UPDATE_CHANNEL="rc"
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print_info "RC channel detected in configuration"
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fi
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fi
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# Get appropriate release based on channel
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if [[ "$UPDATE_CHANNEL" == "rc" ]]; then
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# Get all releases and find the latest (including pre-releases)
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LATEST_RELEASE=$(curl -s https://api.github.com/repos/$GITHUB_REPO/releases | grep '"tag_name":' | head -1 | sed -E 's/.*"([^"]+)".*/\1/')
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else
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# Get latest stable release only
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LATEST_RELEASE=$(curl -s https://api.github.com/repos/$GITHUB_REPO/releases/latest | grep '"tag_name":' | sed -E 's/.*"([^"]+)".*/\1/')
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fi
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if [[ -z "$LATEST_RELEASE" ]]; then
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print_error "Could not determine latest release"
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exit 1
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fi
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print_info "Latest version: $LATEST_RELEASE"
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fi
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# Detect architecture
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ARCH=$(uname -m)
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case $ARCH in
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x86_64)
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PULSE_ARCH="amd64"
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;;
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aarch64)
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PULSE_ARCH="arm64"
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;;
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armv7l)
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PULSE_ARCH="armv7"
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;;
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*)
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print_error "Unsupported architecture: $ARCH"
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exit 1
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;;
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esac
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print_info "Detected architecture: $ARCH ($PULSE_ARCH)"
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# Download architecture-specific release
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DOWNLOAD_URL="https://github.com/$GITHUB_REPO/releases/download/$LATEST_RELEASE/pulse-${LATEST_RELEASE}-linux-${PULSE_ARCH}.tar.gz"
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print_info "Downloading from: $DOWNLOAD_URL"
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# Detect and stop existing service BEFORE downloading (to free the binary)
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EXISTING_SERVICE=$(detect_service_name)
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if systemctl is-active --quiet $EXISTING_SERVICE; then
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print_info "Stopping existing Pulse service ($EXISTING_SERVICE)..."
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systemctl stop $EXISTING_SERVICE
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sleep 2 # Give the process time to fully stop and release the binary
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fi
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cd /tmp
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if ! wget -q -O pulse.tar.gz "$DOWNLOAD_URL"; then
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print_error "Failed to download Pulse release"
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exit 1
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fi
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# Extract to temporary directory first
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TEMP_EXTRACT="/tmp/pulse-extract-$$"
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mkdir -p "$TEMP_EXTRACT"
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tar -xzf pulse.tar.gz -C "$TEMP_EXTRACT"
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# Ensure install directory and bin subdirectory exist
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mkdir -p "$INSTALL_DIR/bin"
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# Copy Pulse binary to the correct location (/opt/pulse/bin/pulse)
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if [[ -f "$TEMP_EXTRACT/bin/pulse" ]]; then
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cp "$TEMP_EXTRACT/bin/pulse" "$INSTALL_DIR/bin/pulse"
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elif [[ -f "$TEMP_EXTRACT/pulse" ]]; then
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# Fallback for old archives (pre-v4.3.1)
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cp "$TEMP_EXTRACT/pulse" "$INSTALL_DIR/bin/pulse"
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else
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print_error "Pulse binary not found in archive"
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exit 1
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fi
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chmod +x "$INSTALL_DIR/bin/pulse"
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chown -R pulse:pulse "$INSTALL_DIR"
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# Create symlink in /usr/local/bin for PATH convenience
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ln -sf "$INSTALL_DIR/bin/pulse" /usr/local/bin/pulse
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print_success "Pulse binary installed to $INSTALL_DIR/bin/pulse"
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print_success "Symlink created at /usr/local/bin/pulse"
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# Copy VERSION file if present
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if [[ -f "$TEMP_EXTRACT/VERSION" ]]; then
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cp "$TEMP_EXTRACT/VERSION" "$INSTALL_DIR/VERSION"
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chown pulse:pulse "$INSTALL_DIR/VERSION"
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fi
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# Cleanup
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rm -rf "$TEMP_EXTRACT" pulse.tar.gz
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}
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setup_directories() {
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print_info "Setting up directories..."
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# Create directories
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mkdir -p "$CONFIG_DIR"
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mkdir -p "$INSTALL_DIR"
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# Set permissions
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chown -R pulse:pulse "$CONFIG_DIR" "$INSTALL_DIR"
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chmod 700 "$CONFIG_DIR"
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}
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install_systemd_service() {
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print_info "Installing systemd service..."
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# Use existing service name if found, otherwise use default
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EXISTING_SERVICE=$(detect_service_name)
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if [[ "$EXISTING_SERVICE" == "pulse-backend" ]] && [[ -f "/etc/systemd/system/pulse-backend.service" ]]; then
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# Keep using pulse-backend for compatibility (ProxmoxVE)
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SERVICE_NAME="pulse-backend"
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print_info "Using existing service name: pulse-backend"
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fi
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cat > /etc/systemd/system/$SERVICE_NAME.service << EOF
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[Unit]
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Description=Pulse Monitoring Server
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After=network.target
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[Service]
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Type=simple
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User=pulse
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Group=pulse
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WorkingDirectory=$INSTALL_DIR
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ExecStart=$INSTALL_DIR/bin/pulse
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Restart=always
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RestartSec=3
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StandardOutput=journal
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StandardError=journal
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Environment="PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
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Environment="PULSE_DATA_DIR=$CONFIG_DIR"
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# Security hardening
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NoNewPrivileges=true
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PrivateTmp=true
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ProtectSystem=strict
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ProtectHome=true
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ReadWritePaths=$INSTALL_DIR $CONFIG_DIR
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[Install]
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WantedBy=multi-user.target
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EOF
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systemctl daemon-reload
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}
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start_pulse() {
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print_info "Starting Pulse..."
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systemctl enable $SERVICE_NAME
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systemctl start $SERVICE_NAME
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# Wait for service to start
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sleep 3
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if systemctl is-active --quiet $SERVICE_NAME; then
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print_success "Pulse started successfully"
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else
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print_error "Failed to start Pulse"
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journalctl -u $SERVICE_NAME -n 20
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exit 1
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fi
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}
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print_completion() {
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local IP=$(hostname -I | awk '{print $1}')
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echo
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print_header
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print_success "Pulse installation completed!"
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echo
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echo -e "${GREEN}Access Pulse at:${NC} http://${IP}:7655"
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echo
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echo -e "${YELLOW}Useful commands:${NC}"
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echo " systemctl status $SERVICE_NAME - Check service status"
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echo " systemctl restart $SERVICE_NAME - Restart Pulse"
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echo " journalctl -u $SERVICE_NAME -f - View logs"
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echo
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}
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# Main installation flow
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main() {
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print_header
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check_root
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detect_os
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check_pre_v4_installation
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if check_existing_installation; then
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print_info "Existing Pulse installation detected"
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echo
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echo "What would you like to do?"
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echo "1) Update to latest version"
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echo "2) Reinstall"
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echo "3) Remove"
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echo "4) Cancel"
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read -p "Select option [1-4]: " choice < /dev/tty
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case $choice in
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1)
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backup_existing
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systemctl stop $SERVICE_NAME || true
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create_user
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download_pulse
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start_pulse
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print_completion
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;;
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2)
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backup_existing
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systemctl stop $SERVICE_NAME || true
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create_user
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download_pulse
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setup_directories
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install_systemd_service
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start_pulse
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print_completion
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;;
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3)
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systemctl stop $SERVICE_NAME || true
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systemctl disable $SERVICE_NAME || true
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rm -f /etc/systemd/system/$SERVICE_NAME.service
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rm -rf "$INSTALL_DIR"
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print_success "Pulse removed successfully"
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;;
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4)
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print_info "Installation cancelled"
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exit 0
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;;
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*)
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print_error "Invalid option"
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exit 1
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;;
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esac
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else
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# Fresh installation
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install_dependencies
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create_user
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setup_directories
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download_pulse
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install_systemd_service
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start_pulse
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print_completion
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fi
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}
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# Parse command line arguments
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FORCE_VERSION=""
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FORCE_CHANNEL=""
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while [[ $# -gt 0 ]]; do
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case $1 in
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--rc|--pre|--prerelease)
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FORCE_CHANNEL="rc"
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shift
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;;
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--stable)
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FORCE_CHANNEL="stable"
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shift
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;;
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--version)
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FORCE_VERSION="$2"
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shift 2
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;;
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-h|--help)
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echo "Usage: $0 [OPTIONS]"
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echo "Options:"
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echo " --rc, --pre Install latest RC/pre-release version"
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echo " --stable Install latest stable version (default)"
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echo " --version VERSION Install specific version (e.g., v4.4.0-rc.1)"
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echo " -h, --help Show this help message"
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exit 0
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;;
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*)
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print_error "Unknown option: $1"
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echo "Use --help for usage information"
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exit 1
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;;
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esac
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done
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# Export for use in download_pulse function
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export FORCE_VERSION FORCE_CHANNEL
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# Run main function
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main |