get_runing_nodes

get_nodes.py

#!/usr/bin/python

###################################################################
# Author Bikram Dhoju bikramdhoju.com.np
# Directions:
# Populate target_mac list with your list nodes
# change target_subnet to your subnet
# result is stored in output.json
####################################################################

import nmap
import datetime
import json

target_mac = ["C8:5B:76:59:74:B2",
				"8C:16:45:5F:4D:AC",
				"C8:5B:76:54:F8:9B",
				"30:52:CB:CD:91:AC",
				"C8:CB:B8:62:5E:9C",
				"F0:18:98:5A:26:7E",
				"54:FC:F0:97:9C:2B",
				"9C:B6:D0:F8:10:4D",
				"50:7B:9D:1E:BD:5B",
				"8C:16:45:5F:4D:FB",
				"18:DB:F2:0C:CB:96",
				"E8:93:09:03:E9:39",
				"50:7B:9D:35:C9:81",
				"BC:9F:EF:19:F0:5F",
				"50:7B:9D:35:CB:6D",
				"E4:02:9B:A6:DA:A6",
				"18:DB:F2:0C:CA:C6",
				"A4:5D:36:9B:63:D6",
				"64:A2:F9:9C:4F:68",
				"04:D4:C4:5D:86:84",
				"A0:1D:48:BE:0E:81",
				"24:E3:14:C3:A3:44"]

target_subnet="192.168.5.0/24"

my_nodes = {}
running_hosts=[]
nm = nmap.PortScanner()
nm.scan(hosts=target_subnet, arguments='-sP')
host_list = nm.all_hosts()

#Get all running nodes
for host in host_list:
	if  'mac' in nm[host]['addresses']:
			running_hosts.append(nm[host]['addresses']['mac'])


for mac in target_mac:
	if mac in running_hosts:
		my_nodes[mac]= "True"
	else:
		my_nodes[mac]= "False"

x = datetime.datetime.now().strftime("%c")
output = {
  "datetime": x,
  "machine": [ 
  ]
}

output["machine"].append(my_nodes)

with open('output.json','a') as f:
	f.write(json.dumps(output,indent=4))

print("Successfully written output to output.json file")