87 lines
2.6 KiB
Python
Executable File
87 lines
2.6 KiB
Python
Executable File
#!/usr/bin/python3
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import argparse
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import hmac
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import json
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import os
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import pprint
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import random
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import socket
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import subprocess
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import time
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import re
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import requests
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ap = argparse.ArgumentParser()
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ap.add_argument("hostname")
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args = ap.parse_args()
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# It's a bit weird that this works.
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myhostname = socket.gethostbyaddr(socket.gethostname())[0]
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now = time.time()
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p = subprocess.run(["/bin/ping", "-c", "20", "-i", "0.2", "-n", args.hostname], capture_output=True, text=True)
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report0 = []
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for ln in p.stdout.split("\n")[:-1]:
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m = re.match(r"(\d+) packets transmitted, (\d+) received, (\d+)% packet loss", ln)
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if m:
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report0.append({ "measure": "ping_transmitted", "unit": "packets", "value": int(m.group(1)) })
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report0.append({ "measure": "ping_received", "unit": "packets", "value": int(m.group(2)) })
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report0.append({ "measure": "ping_loss", "unit": "%", "value": int(m.group(3)) })
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continue
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m = re.match(r"rtt min/avg/max/mdev = ([0-9.]+)/([0-9.]+)/([0-9.]+)/([0-9.]+) ms", ln)
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if m:
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report0.append({ "measure": "ping_min_rtt", "unit": "s", "value": float(m.group(1)) / 1000 })
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report0.append({ "measure": "ping_avg_rtt", "unit": "s", "value": float(m.group(2)) / 1000 })
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report0.append({ "measure": "ping_max_rtt", "unit": "s", "value": float(m.group(3)) / 1000 })
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report0.append({ "measure": "ping_mdev_rtt", "unit": "s", "value": float(m.group(4)) / 1000 })
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continue
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if len(report0) != 7:
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print("Partial results:", report0)
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report = [
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{
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"description": {
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"hostname": args.hostname,
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"measure": r["measure"],
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"unit": r["unit"]
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},
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"data": [
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[now, r["value"]]
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]
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}
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for r in report0
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]
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for dir in (".", os.environ["HOME"] + "/.config/ltsdb", "/etc/ltsdb"):
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try:
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with open(dir + "/config.json") as fh:
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client_config = json.load(fh)
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baseurl = client_config["server"]
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break
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except FileNotFoundError:
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pass
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while True:
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for r in report:
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node = myhostname
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timestamp = time.time()
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msg = (node + " " + str(timestamp)).encode("UTF-8")
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digest = hmac.new(client_config["key"].encode("UTF-8"), msg, "SHA256").hexdigest()
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r["auth"] = {
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"node": node,
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"timestamp": timestamp,
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"hmac": digest,
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}
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#pprint.pp(report)
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r = requests.post(baseurl + "report", json=report)
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print(r)
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if r.status_code == 200:
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exit(0)
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elif r.status_code == 409:
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time.sleep(0.5 + random.random())
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continue
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else:
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exit(1)
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