islive.py

import socket
import sys
import time

def isOpen(ip):
  s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
  try:
    s.connect_ex((ip, int(22)))
    s.shutdown(2)
    return True
  except:
    return False

start = time.process_time()
timeout = int(sys.argv[2])

while True:
  if isOpen((sys.argv[1])):
    print(f"Success ... found host {sys.argv[1]} after %s seconds" % str(round((time.process_time()-start)*1000,1)))
    exit()
  else:
    if (time.process_time()-start)*1000>timeout:
      print(f"Timed out - {sys.argv[1]}")
      exit()
    print(f"Sleeping...%s seconds elapsed for host {sys.argv[1]}" % str(round((time.process_time()-start)*1000,1)))
    time.sleep(0.25)