76 lines
1.9 KiB
Plaintext
76 lines
1.9 KiB
Plaintext
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#!/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 socket
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import ssl
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import time
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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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ap.add_argument("port", type=int, default=443, nargs="?")
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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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report0 = []
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with socket.create_connection((args.hostname, args.port)) as sock:
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context = ssl.create_default_context()
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with context.wrap_socket(sock, server_hostname=args.hostname) as ssock:
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cert = ssock.getpeercert()
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not_after = ssl.cert_time_to_seconds(cert["notAfter"])
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delta = not_after - now
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report0.append({ "measure": "tls_cert_ttl", "unit": "s", "value": delta })
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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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"port": args.port,
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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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