Telegraf execd config

python-execd.conf

[[inputs.execd]]
  command = ["python", "-u", "./python-execd.py", "localhost"]
  data_format = "influx"
  signal = "STDIN"

[[outputs.file]]
  files = ["stdout"]
  use_batch_format = false
  data_format = "influx"

python-execd.py

import random
import sys
import time

sys.stderr.write("D! Waiting for input on stdin...\n")

while True:
    sys.stdin.readline()

    host = sys.argv[1]
    value = random.random()
    timestamp = time.time_ns()
    print(f'mymetric,source={host} value={value} {timestamp}\n')