import json def get_public_ip(all_reservations): all_public_ip_addresses = [] for individual_instances in all_reservations: instance_information = individual_instances['Instances'][0] if "running" != instance_information["State"]["Name"]: continue all_public_ip_addresses.append(instance_information['PublicIpAddress']) return all_public_ip_addresses def make_peers_list(all_reservations,port="9001",filename="ipList.txt"): p = get_public_ip(all_reservations) f = open(filename,"w") for i in range(len(p)): if i == 0: f.write(p[i] + " " + port + " " + "leader"+"\n") else: f.write(p[i] + " " + port + " " + "validator"+"\n") f.close() def is_it_running(f): pass if __name__ == "__main__": json_data=open("aws.json").read() f = json.loads(json_data) all_reservations = f['Reservations'] make_peers_list(all_reservations)