iperf3-log

gistfile1.txt

#!/usr/bin/python3

# Executes iperf3 repeatedly and extracts the connection speed from the results

import json
import subprocess
import sys
import datetime
import time
import argparse 

wait = 300

parser = argparse.ArgumentParser(
        description='Run iperf3 in a loop and summarize output',
        usage="usage example: iperf-log --wait N [-4|-6] [-r] -c hostname"
        )
parser.add_argument('--wait',
                    dest='wait',
                    action='store',
                    default=300,
                    type=int,
                    help='wait time in seconds')

args, iperf_args = parser.parse_known_args()

while True:
    try:
        results = subprocess.check_output(
                ["iperf3","--json",*iperf_args])
        parsed_results = json.loads(results)
        print("{0:} - {1:.2f}Mbit/s".format(
            datetime.datetime.now(),
            float(parsed_results["end"]["sum_sent"]["bits_per_second"])/1e6 ) )
    except Exception as ex:
        print("Failed run {}".format(ex))
    time.sleep(args.wait)