chore: Update SystemGuard app setup script and dependencies in crontab

README.md

@@ -6,10 +6,35 @@ System Guard is a Flask app designed to monitor server stats such as CPU, Memory
 
 ```bash
 wget https://raw.githubusercontent.com/codeperfectplus/SystemGuard/main/setup.sh
-chmod +x setup.sh
-./setup.sh
+chmod +x installer.sh
+sudo mv installer.sh /usr/local/bin/systemguard-installer
 ```
 
+### To install the SystemGuard app, run the following command:
+
+```bash
+systemguard-installer --install
+```
+
+### To uninstall the SystemGuard app, run the following command:
+
+```bash
+systemguard-installer --uninstall
+```
+
+### To Restore the SystemGuard app, run the following command:
+
+```bash
+systemguard-installer --restore
+```
+
+### Help
+
+```bash
+systemguard-installer --help
+```
+
+
 It will install the SystemGuard app and its dependencies in the crontab and it will be started automatically every time the server is restarted. The app will be available at `http://localhost:5050`.
 
 ## Dependencies(must be installed)

installer.sh

@@ -0,0 +1,221 @@
+#!/bin/bash
+
+# SystemGuard Installer Script
+# ----------------------------
+# This script installs, uninstalls, backs up, and restores SystemGuard by managing its installation, cleanup, and configuration.
+
+# Variables
+DOWNLOAD_DIR="/tmp"
+EXTRACT_DIR="/home/$USER/.systemguard"
+LOG_DIR="$HOME/logs"
+LOG_FILE="$LOG_DIR/systemguard-installer.log"
+BACKUP_DIR="/home/$USER/.systemguard_backup"
+EXECUTABLE="/usr/local/bin/systemguard-installer"
+
+# Create necessary directories
+mkdir -p "$LOG_DIR"
+mkdir -p "$BACKUP_DIR"
+
+# Logging function with timestamp
+log() {
+    local message="$1"
+    echo "$(date '+%Y-%m-%d %H:%M:%S') - $message" | tee -a "$LOG_FILE"
+}
+
+# Backup function for existing configurations
+backup_configs() {
+    log "Backing up existing configurations..."
+    if [ -d "$EXTRACT_DIR" ]; then
+        mkdir -p "$BACKUP_DIR"
+        cp -r "$EXTRACT_DIR" "$BACKUP_DIR/$(date '+%Y%m%d_%H%M%S')"
+        log "Backup completed: $BACKUP_DIR"
+    else
+        log "No existing installation found to back up."
+    fi
+}
+
+# Restore function to restore from a backup
+restore() {
+    log "Starting restore process..."
+
+    # List available backups
+    if [ -d "$BACKUP_DIR" ]; then
+        echo "Available backups:"
+        select BACKUP in "$BACKUP_DIR"/*; do
+            if [ -n "$BACKUP" ]; then
+                echo "You selected: $BACKUP"
+                break
+            else
+                echo "Invalid selection. Please try again."
+            fi
+        done
+
+        # Confirm restoration
+        echo "Are you sure you want to restore this backup? This will overwrite the current installation. (y/n)"
+        read CONFIRM
+        if [ "$CONFIRM" != "y" ]; then
+            log "Restore aborted by user."
+            exit 0
+        fi
+
+        # Remove existing installation
+        if [ -d "$EXTRACT_DIR" ]; then
+            rm -rf "$EXTRACT_DIR"
+            log "Old installation removed."
+        fi
+
+        # Restore selected backup
+        cp -r "$BACKUP" "$EXTRACT_DIR"
+        log "Restore completed from backup: $BACKUP"
+    else
+        log "No backups found to restore."
+        echo "No backups found in $BACKUP_DIR."
+    fi
+}
+
+# Install function
+install() {
+    log "Starting installation of SystemGuard..."
+    echo "Enter the version of SystemGuard to install (e.g., v1.0.0 or 'latest' for the latest version):"
+    read VERSION
+    echo "Warning: This script will remove any existing installation of SystemGuard. Continue? (y/n)"
+    read CONFIRM
+
+    if [ "$CONFIRM" != "y" ]; then
+        log "Installation aborted by user."
+        exit 0
+    fi
+
+    # Fetch latest version if specified
+    if [ "$VERSION" == "latest" ]; then
+        log "Fetching the latest version of SystemGuard from GitHub..."
+        VERSION=$(curl -s https://api.github.com/repos/codeperfectplus/SystemGuard/releases/latest | grep -Po '"tag_name": "\K.*?(?=")')
+        if [ -z "$VERSION" ]; then
+            log "Error: Unable to fetch the latest version. Please try again or specify a version manually."
+            exit 1
+        fi
+        log "Latest version found: $VERSION"
+    fi
+
+    # Define URL after determining the version
+    ZIP_URL="https://github.com/codeperfectplus/SystemGuard/archive/refs/tags/$VERSION.zip"
+    log "Installing SystemGuard version $VERSION..."
+
+    # Download the SystemGuard zip file
+    wget -q $ZIP_URL -O $DOWNLOAD_DIR/systemguard.zip
+    if [ $? -ne 0 ]; then
+        log "Error: Failed to download SystemGuard version $VERSION. Please check the version number and try again."
+        exit 1
+    fi
+    log "Download completed."
+
+    # Backup existing configurations
+    backup_configs
+
+    # Remove any existing installation of SystemGuard
+    log "Removing previous installation of SystemGuard, if any..."
+    if [ -d "$EXTRACT_DIR" ]; then
+        rm -rf "$EXTRACT_DIR"
+        log "Old installation removed."
+    fi
+
+    # Clean up previous cron jobs related to SystemGuard
+    log "Cleaning up previous cron jobs related to SystemGuard..."
+    CRON_PATTERN=".systemguard/SystemGuard-.*/dashboard.sh"
+    if crontab -l | grep -q "$CRON_PATTERN"; then
+        crontab -l | grep -v "$CRON_PATTERN" | crontab -
+        log "Old cron jobs removed."
+    else
+        log "No previous cron jobs found."
+    fi
+
+    # Create the extraction directory
+    log "Setting up installation directory..."
+    mkdir -p $EXTRACT_DIR
+
+    # Extract the downloaded zip file
+    log "Extracting SystemGuard package..."
+    unzip -q $DOWNLOAD_DIR/systemguard.zip -d $EXTRACT_DIR
+    rm $DOWNLOAD_DIR/systemguard.zip
+    log "Extraction completed."
+
+    # Navigate to the setup directory and execute setup script
+    log "Navigating to the SystemGuard setup directory..."
+    cd $EXTRACT_DIR/SystemGuard-*/src/scripts
+    if [ ! -f "cronjob.sh" ]; then
+        log "Error: cronjob.sh not found in the extracted directory. Please verify the contents."
+        exit 1
+    fi
+
+    # Make cronjob.sh executable and run it
+    log "Preparing cronjob script..."
+    chmod +x cronjob.sh
+    log "Executing the cronjob setup..."
+    ./cronjob.sh
+
+    # Install the executable
+    log "Installing executable to /usr/local/bin/systemguard-installer..."
+    cp "$(basename "$0")" "$EXECUTABLE"
+    log "SystemGuard version $VERSION installed successfully!"
+}
+
+# Uninstall function
+uninstall() {
+    log "Uninstalling SystemGuard..."
+
+    # Remove cron jobs related to SystemGuard
+    log "Cleaning up cron jobs related to SystemGuard..."
+    CRON_PATTERN=".systemguard/SystemGuard-.*/dashboard.sh"
+    if crontab -l | grep -q "$CRON_PATTERN"; then
+        crontab -l | grep -v "$CRON_PATTERN" | crontab -
+        log "Cron jobs removed."
+    else
+        log "No cron jobs found."
+    fi
+
+    # Remove the SystemGuard installation directory
+    if [ -d "$EXTRACT_DIR" ]; then
+        rm -rf "$EXTRACT_DIR"
+        log "SystemGuard has been removed from your system."
+    else
+        log "SystemGuard is not installed on this system."
+    fi
+
+    # Remove the executable
+    if [ -f "$EXECUTABLE" ]; then
+        rm "$EXECUTABLE"
+        log "Executable $EXECUTABLE removed."
+    else
+        log "No executable found to remove."
+    fi
+}
+
+# Display help
+show_help() {
+    echo "SystemGuard Installer"
+    echo "Usage: ./installer.sh [options]"
+    echo "Options:"
+    echo "  --install      Install SystemGuard"
+    echo "  --uninstall    Uninstall SystemGuard"
+    echo "  --restore      Restore SystemGuard from a backup"
+    echo "  --help         Display this help message"
+}
+
+# Parse command-line options
+for arg in "$@"; do
+    case $arg in
+        --install) ACTION="install" ;;
+        --uninstall) ACTION="uninstall" ;;
+        --restore) ACTION="restore" ;;
+        --help) show_help; exit 0 ;;
+        *) echo "Unknown option: $arg"; show_help; exit 1 ;;
+    esac
+done
+
+# Execute based on the action specified
+case $ACTION in
+    install) install ;;
+    uninstall) uninstall ;;
+    restore) restore ;;
+    *) echo "No action specified. Use --help for usage information." ;;
+esac