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scanner.py

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+import os
+import nmap
+import pynetbox
+import requests
+import socket
+
+# Disable SSL Warnings
+requests.packages.urllib3.disable_warnings()
+
+# Disable SSL Verification
+os.environ['PYTHONHTTPSVERIFY'] = '0'
+
+# Initiate the port scanner
+nm = nmap.PortScanner()
+
+# Scan the subnet for hosts for example 192.168.1.0/24
+nm.scan(hosts='192.168.1.0/24', arguments='-sn')
+
+# Get a list of all hosts that are up
+hosts_list = [(x, nm[x]['status']['state']) for x in nm.all_hosts()]
+for host, status in hosts_list:
+    print(f'{host} is {status}')
+
+# Enter your Netbox url and token
+netbox = pynetbox.api(url='https://example.com', token='TOKENHERE', ssl_verify=False)
+
+# Add each host to NetBox
+for host, status in hosts_list:
+    if status == 'up':
+        try:
+            hostname = socket.gethostbyaddr(host)[0]
+        except socket.herror:
+            hostname = host  # Use the IP if the hostname couldn't be resolved
+
+        device_data = {
+            "name": hostname,
+            "device_type": 1,  # device type ID
+            "device_role": 1,  # device role ID
+            "site": 1,  # site ID
+            "status": "active",
+            # Add other fields as needed
+        }
+
+# Get all the devices from NetBox
+all_devices = netbox.dcim.devices.all()
+
+# Create a list of hostnames from the scanned hosts
+scanned_hosts = []
+for host, status in hosts_list:
+    if status == 'up':
+        try:
+            hostname = socket.gethostbyaddr(host)[0]
+        except socket.herror:
+            hostname = host  # Use the IP if the hostname couldn't be resolved
+        scanned_hosts.append(hostname)
+
+# Check each device in NetBox
+for device in all_devices:
+    # If the device was not found in the scan results, mark it as offline
+    if device.name not in scanned_hosts:
+        device.status = 'offline'
+        device.save()
+        print(f"Marked {device.name} as offline in NetBox.")
+
+        # Remove the IP address of the offline device from NetBox
+        try:
+            ip_address = netbox.ipam.ip_addresses.get(address=f"{device.name}/24")
+            if ip_address:
+                ip_address.delete()
+                print(f"Deleted IP address {device.name} from NetBox.")
+        except Exception as e:
+            print(f"Failed to delete IP address {device.name} from NetBox: {e}")