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systemd/uninstall-service.sh

@@ -0,0 +1,103 @@
+#!/bin/bash
+
+# C Nostr Relay Event-Based Configuration System - Uninstall Script
+# This script removes the C Nostr Relay systemd service
+
+set -e
+
+# Configuration
+SERVICE_NAME="c-relay"
+SERVICE_USER="c-relay"
+INSTALL_DIR="/opt/c-relay"
+
+# Colors for output
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+BLUE='\033[0;34m'
+NC='\033[0m' # No Color
+
+# Function to print colored output
+print_info() {
+    echo -e "${BLUE}[INFO]${NC} $1"
+}
+
+print_success() {
+    echo -e "${GREEN}[SUCCESS]${NC} $1"
+}
+
+print_warning() {
+    echo -e "${YELLOW}[WARNING]${NC} $1"
+}
+
+print_error() {
+    echo -e "${RED}[ERROR]${NC} $1"
+}
+
+# Check if running as root
+if [ "$EUID" -ne 0 ]; then
+    print_error "This script must be run as root"
+    exit 1
+fi
+
+print_info "Uninstalling C Nostr Relay Event-Based Configuration System"
+echo
+
+# Stop and disable service
+if systemctl is-active --quiet "${SERVICE_NAME}"; then
+    print_info "Stopping ${SERVICE_NAME} service"
+    systemctl stop "${SERVICE_NAME}"
+fi
+
+if systemctl is-enabled --quiet "${SERVICE_NAME}"; then
+    print_info "Disabling ${SERVICE_NAME} service"
+    systemctl disable "${SERVICE_NAME}"
+fi
+
+# Remove systemd service file
+if [ -f "/etc/systemd/system/${SERVICE_NAME}.service" ]; then
+    print_info "Removing systemd service file"
+    rm "/etc/systemd/system/${SERVICE_NAME}.service"
+fi
+
+# Reload systemd
+print_info "Reloading systemd daemon"
+systemctl daemon-reload
+systemctl reset-failed
+
+# Ask about removing installation directory and databases
+echo
+print_warning "The installation directory ${INSTALL_DIR} contains:"
+echo "  • The relay binary"
+echo "  • Database files with all events and configuration (.nrdb files)"
+echo "  • Any logs or temporary files"
+echo
+read -p "Do you want to remove ${INSTALL_DIR} and all data? [y/N]: " -r
+if [[ $REPLY =~ ^[Yy]$ ]]; then
+    print_info "Removing installation directory: ${INSTALL_DIR}"
+    rm -rf "${INSTALL_DIR}"
+    print_success "Installation directory removed"
+else
+    print_info "Installation directory preserved: ${INSTALL_DIR}"
+    print_warning "Database files (.nrdb) are preserved and contain all relay data"
+fi
+
+# Ask about removing service user
+echo
+read -p "Do you want to remove the service user '${SERVICE_USER}'? [y/N]: " -r
+if [[ $REPLY =~ ^[Yy]$ ]]; then
+    if id "${SERVICE_USER}" &>/dev/null; then
+        print_info "Removing service user: ${SERVICE_USER}"
+        userdel "${SERVICE_USER}" 2>/dev/null || print_warning "Could not remove user ${SERVICE_USER}"
+        print_success "Service user removed"
+    else
+        print_info "Service user ${SERVICE_USER} does not exist"
+    fi
+else
+    print_info "Service user '${SERVICE_USER}' preserved"
+fi
+
+print_success "Uninstallation complete!"
+echo
+print_info "If you preserved the database files, you can reinstall and the relay will"
+print_info "automatically detect the existing configuration and continue with the same keys."