add maintenance mode to nginx

maintenance_tool.sh

@@ -0,0 +1,69 @@
+#!/bin/bash
+
+# Title: Site Maintenance Mode Toggle Script
+# Description: Activates or deactivates site maintenance mode by toggling the presence of a flag file.
+# Activation: Creating $FLAG_FILE
+# Deactivation: Deleting $FLAG_FILE
+
+# --- CONFIGURATION ---
+# IMPORTANT: Change this path to the root directory of your website.
+# The script MUST have write permissions to this directory.
+SITE_ROOT="/var/www/photos/photo21/"
+FLAG_FILE="$SITE_ROOTdocs/maintenance.flag"
+# ---------------------
+
+# Function to display current status
+function display_status() {
+    echo "================================================="
+    echo "         SITE MAINTENANCE MODE TOOL"
+    echo "================================================="
+    echo "Target Directory: $SITE_ROOT"
+    
+    if [ -f "$FLAG_FILE" ]; then
+        echo -e "\033[31mCURRENT STATUS: ACTIVE (Site is DOWN for Maintenance)\033[0m"
+        echo "Flag file present at: $FLAG_FILE"
+    else
+        echo -e "\033[32mCURRENT STATUS: INACTIVE (Site is UP and Running)\033[0m"
+        echo "Flag file is missing."
+    fi
+    echo "-------------------------------------------------"
+}
+
+# Function to toggle mode based on current status
+function toggle_mode() {
+    if [ -f "$FLAG_FILE" ]; then
+        # Maintenance is ON, offer to turn it OFF
+        read -r -p "Maintenance mode is ACTIVE. DEACTIVATE it? (y/N): " response
+        if [[ "$response" =~ ^([yY][eE][sS]|[yY])$ ]]; then
+            rm -f "$FLAG_FILE"
+            if [ $? -eq 0 ]; then
+                echo -e "\n\033[32mSUCCESS:\033[0m Maintenance mode DEACTIVATED. Site should be live."
+            else
+                echo -e "\n\033[31mERROR:\033[0m Failed to remove '$FLAG_FILE'. Check script and directory permissions."
+            fi
+        else
+            echo "Action cancelled. Maintenance mode remains ACTIVE."
+        fi
+    else
+        # Maintenance is OFF, offer to turn it ON
+        read -r -p "Maintenance mode is INACTIVE. ACTIVATE it? (y/N): " response
+        if [[ "$response" =~ ^([yY][eE][sS]|[yY])$ ]]; then
+            touch "$FLAG_FILE"
+            if [ $? -eq 0 ]; then
+                echo -e "\n\033[31mSUCCESS:\033[0m Maintenance mode ACTIVATED. Site should now show the maintenance page."
+            else
+                echo -e "\n\033[31mERROR:\033[0m Failed to create '$FLAG_FILE'. Check script and directory permissions."
+            fi
+        else
+            echo "Action cancelled. Maintenance mode remains INACTIVE."
+        fi
+    fi
+}
+
+# Main execution
+display_status
+toggle_mode
+
+echo "================================================="
+echo "Script finished."
+echo "================================================="