mirror of
https://github.com/9technologygroup/patchmon.net.git
synced 2025-11-03 21:43:33 +00:00
434 lines
15 KiB
Bash
434 lines
15 KiB
Bash
#!/bin/bash
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# PatchMon Agent Installation Script
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# Usage: curl -s {PATCHMON_URL}/api/v1/hosts/install -H "X-API-ID: {API_ID}" -H "X-API-KEY: {API_KEY}" | bash
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set -e
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# This placeholder will be dynamically replaced by the server when serving this
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# script based on the "ignore SSL self-signed" setting. If set to -k, curl will
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# ignore certificate validation. Otherwise, it will be empty for secure default.
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# CURL_FLAGS is now set via environment variables by the backend
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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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# Functions
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error() {
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echo -e "${RED}❌ ERROR: $1${NC}" >&2
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exit 1
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}
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info() {
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echo -e "${BLUE}ℹ️ $1${NC}"
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}
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success() {
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echo -e "${GREEN}✅ $1${NC}"
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}
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warning() {
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echo -e "${YELLOW}⚠️ $1${NC}"
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}
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# Check if running as root
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if [[ $EUID -ne 0 ]]; then
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error "This script must be run as root (use sudo)"
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fi
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# Verify system datetime and timezone
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verify_datetime() {
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info "🕐 Verifying system datetime and timezone..."
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# Get current system time
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local system_time=$(date)
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local timezone=$(timedatectl show --property=Timezone --value 2>/dev/null || echo "Unknown")
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# Display current datetime info
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echo ""
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echo -e "${BLUE}📅 Current System Date/Time:${NC}"
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echo " • Date/Time: $system_time"
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echo " • Timezone: $timezone"
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echo ""
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# Check if we can read from stdin (interactive terminal)
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if [[ -t 0 ]]; then
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# Interactive terminal - ask user
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read -p "Does this date/time look correct to you? (y/N): " -r response
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if [[ "$response" =~ ^[Yy]$ ]]; then
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success "✅ Date/time verification passed"
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echo ""
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return 0
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else
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echo ""
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echo -e "${RED}❌ Date/time verification failed${NC}"
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echo ""
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echo -e "${YELLOW}💡 Please fix the date/time and re-run the installation script:${NC}"
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echo " sudo timedatectl set-time 'YYYY-MM-DD HH:MM:SS'"
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echo " sudo timedatectl set-timezone 'America/New_York' # or your timezone"
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echo " sudo timedatectl list-timezones # to see available timezones"
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echo ""
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echo -e "${BLUE}ℹ️ After fixing the date/time, re-run this installation script.${NC}"
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error "Installation cancelled - please fix date/time and re-run"
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fi
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else
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# Non-interactive (piped from curl) - show warning and continue
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echo -e "${YELLOW}⚠️ Non-interactive installation detected${NC}"
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echo ""
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echo "Please verify the date/time shown above is correct."
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echo "If the date/time is incorrect, it may cause issues with:"
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echo " • Logging timestamps"
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echo " • Scheduled updates"
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echo " • Data synchronization"
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echo ""
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echo -e "${GREEN}✅ Continuing with installation...${NC}"
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success "✅ Date/time verification completed (assumed correct)"
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echo ""
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fi
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}
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# Run datetime verification
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verify_datetime
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# Clean up old files (keep only last 3 of each type)
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cleanup_old_files() {
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# Clean up old credential backups
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ls -t /etc/patchmon/credentials.backup.* 2>/dev/null | tail -n +4 | xargs -r rm -f
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# Clean up old agent backups
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ls -t /usr/local/bin/patchmon-agent.sh.backup.* 2>/dev/null | tail -n +4 | xargs -r rm -f
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# Clean up old log files
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ls -t /var/log/patchmon-agent.log.old.* 2>/dev/null | tail -n +4 | xargs -r rm -f
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}
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# Run cleanup at start
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cleanup_old_files
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# Generate or retrieve machine ID
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get_machine_id() {
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# Try multiple sources for machine ID
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if [[ -f /etc/machine-id ]]; then
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cat /etc/machine-id
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elif [[ -f /var/lib/dbus/machine-id ]]; then
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cat /var/lib/dbus/machine-id
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else
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# Fallback: generate from hardware info (less ideal but works)
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echo "patchmon-$(cat /sys/class/dmi/id/product_uuid 2>/dev/null || cat /proc/sys/kernel/random/uuid)"
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fi
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}
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# Parse arguments from environment (passed via HTTP headers)
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if [[ -z "$PATCHMON_URL" ]] || [[ -z "$API_ID" ]] || [[ -z "$API_KEY" ]]; then
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error "Missing required parameters. This script should be called via the PatchMon web interface."
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fi
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# Check if --force flag is set (for bypassing broken packages)
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FORCE_INSTALL="${FORCE_INSTALL:-false}"
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if [[ "$*" == *"--force"* ]] || [[ "$FORCE_INSTALL" == "true" ]]; then
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FORCE_INSTALL="true"
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warning "⚠️ Force mode enabled - will bypass broken packages"
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fi
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# Get unique machine ID for this host
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MACHINE_ID=$(get_machine_id)
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export MACHINE_ID
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info "🚀 Starting PatchMon Agent Installation..."
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info "📋 Server: $PATCHMON_URL"
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info "🔑 API ID: ${API_ID:0:16}..."
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info "🆔 Machine ID: ${MACHINE_ID:0:16}..."
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# Display diagnostic information
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echo ""
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echo -e "${BLUE}🔧 Installation Diagnostics:${NC}"
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echo " • URL: $PATCHMON_URL"
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echo " • CURL FLAGS: $CURL_FLAGS"
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echo " • API ID: ${API_ID:0:16}..."
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echo " • API Key: ${API_KEY:0:16}..."
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echo ""
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# Install required dependencies
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info "📦 Installing required dependencies..."
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echo ""
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# Function to check if a command exists
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command_exists() {
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command -v "$1" >/dev/null 2>&1
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}
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# Function to install packages with error handling
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install_apt_packages() {
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local packages=("$@")
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local missing_packages=()
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# Check which packages are missing
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for pkg in "${packages[@]}"; do
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if ! command_exists "$pkg"; then
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missing_packages+=("$pkg")
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fi
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done
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if [ ${#missing_packages[@]} -eq 0 ]; then
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success "All required packages are already installed"
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return 0
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fi
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info "Need to install: ${missing_packages[*]}"
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# Build apt-get command based on force mode
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local apt_cmd="apt-get install ${missing_packages[*]} -y"
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if [[ "$FORCE_INSTALL" == "true" ]]; then
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info "Using force mode - bypassing broken packages..."
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apt_cmd="$apt_cmd -o APT::Get::Fix-Broken=false -o DPkg::Options::=\"--force-confold\" -o DPkg::Options::=\"--force-confdef\""
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fi
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# Try to install packages
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if eval "$apt_cmd" 2>&1 | tee /tmp/patchmon_apt_install.log; then
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success "Packages installed successfully"
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return 0
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else
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warning "Package installation encountered issues, checking if required tools are available..."
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# Verify critical dependencies are actually available
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local all_ok=true
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for pkg in "${packages[@]}"; do
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if ! command_exists "$pkg"; then
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if [[ "$FORCE_INSTALL" == "true" ]]; then
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error "Critical dependency '$pkg' is not available even with --force. Please install manually."
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else
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error "Critical dependency '$pkg' is not available. Try again with --force flag or install manually: apt-get install $pkg"
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fi
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all_ok=false
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fi
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done
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if $all_ok; then
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success "All required tools are available despite installation warnings"
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return 0
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else
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return 1
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fi
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fi
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}
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# Detect package manager and install jq and curl
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if command -v apt-get >/dev/null 2>&1; then
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# Debian/Ubuntu
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info "Detected apt-get (Debian/Ubuntu)"
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echo ""
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# Check for broken packages
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if dpkg -l | grep -q "^iH\|^iF" 2>/dev/null; then
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if [[ "$FORCE_INSTALL" == "true" ]]; then
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warning "Detected broken packages on system - force mode will work around them"
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else
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warning "⚠️ Broken packages detected on system"
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warning "If installation fails, retry with: curl -s {URL}/api/v1/hosts/install --force -H ..."
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fi
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fi
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info "Updating package lists..."
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apt-get update || true
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echo ""
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info "Installing jq, curl, and bc..."
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install_apt_packages jq curl bc
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elif command -v yum >/dev/null 2>&1; then
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# CentOS/RHEL 7
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info "Detected yum (CentOS/RHEL 7)"
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echo ""
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info "Installing jq, curl, and bc..."
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yum install -y jq curl bc
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elif command -v dnf >/dev/null 2>&1; then
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# CentOS/RHEL 8+/Fedora
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info "Detected dnf (CentOS/RHEL 8+/Fedora)"
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echo ""
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info "Installing jq, curl, and bc..."
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dnf install -y jq curl bc
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elif command -v zypper >/dev/null 2>&1; then
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# openSUSE
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info "Detected zypper (openSUSE)"
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echo ""
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info "Installing jq, curl, and bc..."
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zypper install -y jq curl bc
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elif command -v pacman >/dev/null 2>&1; then
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# Arch Linux
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info "Detected pacman (Arch Linux)"
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echo ""
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info "Installing jq, curl, and bc..."
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pacman -S --noconfirm jq curl bc
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elif command -v apk >/dev/null 2>&1; then
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# Alpine Linux
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info "Detected apk (Alpine Linux)"
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echo ""
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info "Installing jq, curl, and bc..."
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apk add --no-cache jq curl bc
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else
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warning "Could not detect package manager. Please ensure 'jq', 'curl', and 'bc' are installed manually."
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fi
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echo ""
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success "Dependencies installation completed"
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echo ""
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# Step 1: Handle existing configuration directory
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info "📁 Setting up configuration directory..."
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# Check if configuration directory already exists
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if [[ -d "/etc/patchmon" ]]; then
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warning "⚠️ Configuration directory already exists at /etc/patchmon"
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warning "⚠️ Preserving existing configuration files"
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# List existing files for user awareness
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info "📋 Existing files in /etc/patchmon:"
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ls -la /etc/patchmon/ 2>/dev/null | grep -v "^total" | while read -r line; do
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echo " $line"
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done
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else
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info "📁 Creating new configuration directory..."
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mkdir -p /etc/patchmon
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fi
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# Step 2: Create credentials file
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info "🔐 Creating API credentials file..."
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# Check if credentials file already exists
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if [[ -f "/etc/patchmon/credentials" ]]; then
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warning "⚠️ Credentials file already exists at /etc/patchmon/credentials"
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warning "⚠️ Moving existing file out of the way for fresh installation"
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# Clean up old credential backups (keep only last 3)
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ls -t /etc/patchmon/credentials.backup.* 2>/dev/null | tail -n +4 | xargs -r rm -f
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# Move existing file out of the way
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mv /etc/patchmon/credentials /etc/patchmon/credentials.backup.$(date +%Y%m%d_%H%M%S)
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info "📋 Moved existing credentials to: /etc/patchmon/credentials.backup.$(date +%Y%m%d_%H%M%S)"
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fi
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cat > /etc/patchmon/credentials << EOF
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# PatchMon API Credentials
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# Generated on $(date)
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PATCHMON_URL="$PATCHMON_URL"
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API_ID="$API_ID"
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API_KEY="$API_KEY"
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EOF
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chmod 600 /etc/patchmon/credentials
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# Step 3: Download the agent script using API credentials
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info "📥 Downloading PatchMon agent script..."
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# Check if agent script already exists
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if [[ -f "/usr/local/bin/patchmon-agent.sh" ]]; then
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warning "⚠️ Agent script already exists at /usr/local/bin/patchmon-agent.sh"
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warning "⚠️ Moving existing file out of the way for fresh installation"
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# Clean up old agent backups (keep only last 3)
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ls -t /usr/local/bin/patchmon-agent.sh.backup.* 2>/dev/null | tail -n +4 | xargs -r rm -f
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# Move existing file out of the way
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mv /usr/local/bin/patchmon-agent.sh /usr/local/bin/patchmon-agent.sh.backup.$(date +%Y%m%d_%H%M%S)
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info "📋 Moved existing agent to: /usr/local/bin/patchmon-agent.sh.backup.$(date +%Y%m%d_%H%M%S)"
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fi
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curl $CURL_FLAGS \
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-H "X-API-ID: $API_ID" \
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-H "X-API-KEY: $API_KEY" \
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"$PATCHMON_URL/api/v1/hosts/agent/download" \
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-o /usr/local/bin/patchmon-agent.sh
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chmod +x /usr/local/bin/patchmon-agent.sh
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# Get the agent version from the downloaded script
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AGENT_VERSION=$(grep '^AGENT_VERSION=' /usr/local/bin/patchmon-agent.sh | cut -d'"' -f2 2>/dev/null || echo "Unknown")
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info "📋 Agent version: $AGENT_VERSION"
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# Handle existing log files
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if [[ -f "/var/log/patchmon-agent.log" ]]; then
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warning "⚠️ Existing log file found at /var/log/patchmon-agent.log"
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warning "⚠️ Rotating log file for fresh start"
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# Rotate the log file
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mv /var/log/patchmon-agent.log /var/log/patchmon-agent.log.old.$(date +%Y%m%d_%H%M%S)
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info "📋 Log file rotated to: /var/log/patchmon-agent.log.old.$(date +%Y%m%d_%H%M%S)"
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fi
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# Step 4: Test the configuration
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# Check if this machine is already enrolled
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info "🔍 Checking if machine is already enrolled..."
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existing_check=$(curl $CURL_FLAGS -s -X POST \
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-H "X-API-ID: $API_ID" \
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-H "X-API-KEY: $API_KEY" \
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-H "Content-Type: application/json" \
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-d "{\"machine_id\": \"$MACHINE_ID\"}" \
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"$PATCHMON_URL/api/v1/hosts/check-machine-id" \
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-w "\n%{http_code}" 2>&1)
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http_code=$(echo "$existing_check" | tail -n 1)
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response_body=$(echo "$existing_check" | sed '$d')
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if [[ "$http_code" == "200" ]]; then
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already_enrolled=$(echo "$response_body" | jq -r '.exists' 2>/dev/null || echo "false")
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if [[ "$already_enrolled" == "true" ]]; then
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warning "⚠️ This machine is already enrolled in PatchMon"
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info "Machine ID: $MACHINE_ID"
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info "Existing host: $(echo "$response_body" | jq -r '.host.friendly_name' 2>/dev/null)"
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info ""
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info "The agent will be reinstalled/updated with existing credentials."
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echo ""
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else
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success "✅ Machine not yet enrolled - proceeding with installation"
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fi
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fi
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info "🧪 Testing API credentials and connectivity..."
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if /usr/local/bin/patchmon-agent.sh test; then
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success "✅ TEST: API credentials are valid and server is reachable"
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else
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error "❌ Failed to validate API credentials or reach server"
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fi
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# Step 5: Send initial data and setup automated updates
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info "📊 Sending initial package data to server..."
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if /usr/local/bin/patchmon-agent.sh update; then
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success "✅ UPDATE: Initial package data sent successfully"
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info "✅ Automated updates configured by agent"
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else
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warning "⚠️ Failed to send initial data. You can retry later with: /usr/local/bin/patchmon-agent.sh update"
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fi
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# Installation complete
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success "🎉 PatchMon Agent installation completed successfully!"
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echo ""
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echo -e "${GREEN}📋 Installation Summary:${NC}"
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echo " • Configuration directory: /etc/patchmon"
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echo " • Agent installed: /usr/local/bin/patchmon-agent.sh"
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echo " • Dependencies installed: jq, curl, bc"
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echo " • Automated updates configured via crontab"
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echo " • API credentials configured and tested"
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echo " • Update schedule managed by agent"
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# Check for moved files and show them
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MOVED_FILES=$(ls /etc/patchmon/credentials.backup.* /usr/local/bin/patchmon-agent.sh.backup.* /var/log/patchmon-agent.log.old.* 2>/dev/null || true)
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if [[ -n "$MOVED_FILES" ]]; then
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echo ""
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echo -e "${YELLOW}📋 Files Moved for Fresh Installation:${NC}"
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echo "$MOVED_FILES" | while read -r moved_file; do
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echo " • $moved_file"
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done
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echo ""
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echo -e "${BLUE}💡 Note: Old files are automatically cleaned up (keeping last 3)${NC}"
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fi
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echo ""
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echo -e "${BLUE}🔧 Management Commands:${NC}"
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echo " • Test connection: /usr/local/bin/patchmon-agent.sh test"
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echo " • Manual update: /usr/local/bin/patchmon-agent.sh update"
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echo " • Check status: /usr/local/bin/patchmon-agent.sh diagnostics"
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echo ""
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success "✅ Your system is now being monitored by PatchMon!"
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