First Commit

uninstall.sh

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+#!/usr/bin/env bash
+#
+# Uninstallation script for Porkbun Dynamic DNS systemd service
+#
+# This script will:
+# 1. Stop and disable the timer
+# 2. Remove service files from systemd
+# 3. Reload systemd daemon
+
+set -euo pipefail
+
+# Colors for output
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+NC='\033[0m' # No Color
+
+echo "======================================"
+echo "Porkbun DDNS Service Uninstaller"
+echo "======================================"
+echo ""
+
+# Check if running as root
+if [ "$EUID" -eq 0 ]; then
+    echo -e "${RED}Error: Do not run this script as root or with sudo${NC}"
+    echo "The script will request sudo privileges when needed."
+    exit 1
+fi
+
+# Check if systemctl is available
+if ! command -v systemctl &> /dev/null; then
+    echo -e "${RED}Error: systemctl not found${NC}"
+    echo "This script requires systemd."
+    exit 1
+fi
+
+# Check if service is installed
+if ! systemctl list-unit-files | grep -q "porkbun-ddns.timer"; then
+    echo -e "${YELLOW}porkbun-ddns service is not installed${NC}"
+    echo "Nothing to uninstall."
+    exit 0
+fi
+
+# Confirm uninstallation
+echo -e "${YELLOW}This will remove the porkbun-ddns systemd service.${NC}"
+echo "Your DNS update script and configuration will NOT be deleted."
+echo ""
+read -p "Continue with uninstallation? (y/N) " -n 1 -r
+echo ""
+if [[ ! $REPLY =~ ^[Yy]$ ]]; then
+    echo "Uninstallation cancelled."
+    exit 0
+fi
+echo ""
+
+# Stop the timer if running
+echo "Stopping porkbun-ddns.timer..."
+if systemctl is-active --quiet porkbun-ddns.timer; then
+    sudo systemctl stop porkbun-ddns.timer
+    echo -e "${GREEN}✓ Timer stopped${NC}"
+else
+    echo "Timer is not running"
+fi
+echo ""
+
+# Stop the service if running
+echo "Stopping porkbun-ddns.service..."
+if systemctl is-active --quiet porkbun-ddns.service; then
+    sudo systemctl stop porkbun-ddns.service
+    echo -e "${GREEN}✓ Service stopped${NC}"
+else
+    echo "Service is not running"
+fi
+echo ""
+
+# Disable the timer
+echo "Disabling porkbun-ddns.timer..."
+if systemctl is-enabled --quiet porkbun-ddns.timer; then
+    sudo systemctl disable porkbun-ddns.timer
+    echo -e "${GREEN}✓ Timer disabled${NC}"
+else
+    echo "Timer was not enabled"
+fi
+echo ""
+
+# Remove service files
+echo "Removing service files..."
+REMOVED=0
+
+if [ -f /etc/systemd/system/porkbun-ddns.service ]; then
+    sudo rm /etc/systemd/system/porkbun-ddns.service
+    echo -e "${GREEN}✓ Removed porkbun-ddns.service${NC}"
+    ((REMOVED++))
+fi
+
+if [ -f /etc/systemd/system/porkbun-ddns.timer ]; then
+    sudo rm /etc/systemd/system/porkbun-ddns.timer
+    echo -e "${GREEN}✓ Removed porkbun-ddns.timer${NC}"
+    ((REMOVED++))
+fi
+
+if [ $REMOVED -eq 0 ]; then
+    echo -e "${YELLOW}No service files found to remove${NC}"
+fi
+echo ""
+
+# Remove override directory if it exists
+if [ -d /etc/systemd/system/porkbun-ddns.service.d ]; then
+    sudo rm -rf /etc/systemd/system/porkbun-ddns.service.d
+    echo -e "${GREEN}✓ Removed service override directory${NC}"
+    echo ""
+fi
+
+# Reload systemd
+echo "Reloading systemd daemon..."
+sudo systemctl daemon-reload
+echo -e "${GREEN}✓ Systemd reloaded${NC}"
+echo ""
+
+# Reset failed state if exists
+sudo systemctl reset-failed porkbun-ddns.service 2>/dev/null || true
+sudo systemctl reset-failed porkbun-ddns.timer 2>/dev/null || true
+
+# Verify uninstallation
+echo "Verifying uninstallation..."
+if systemctl list-unit-files | grep -q "porkbun-ddns"; then
+    echo -e "${RED}Warning: Some porkbun-ddns units still found${NC}"
+    systemctl list-unit-files | grep porkbun-ddns
+else
+    echo -e "${GREEN}✓ All service units removed${NC}"
+fi
+echo ""
+
+echo "======================================"
+echo "Uninstallation Complete!"
+echo "======================================"
+echo ""
+echo -e "${GREEN}The porkbun-ddns systemd service has been removed.${NC}"
+echo ""
+echo "Your files are still available:"
+echo "  - updateDNS.sh (DNS update script)"
+echo "  - .env (configuration)"
+echo "  - porkbun-ddns.service (service template)"
+echo "  - porkbun-ddns.timer (timer template)"
+echo ""
+echo "You can:"
+echo "  - Reinstall with: ./install.sh"
+echo "  - Run manually with: ./updateDNS.sh"
+echo "  - Delete all files if no longer needed"