ltsdb/clients/record_dus

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2022-09-04 21:04:03 +02:00
#!/usr/bin/python3
import argparse
import hmac
import json
import os
import pprint
import random
import socket
import subprocess
import time
import requests
ap = argparse.ArgumentParser()
ap.add_argument("directory")
args = ap.parse_args()
# It's a bit weird that this works.
hostname = socket.gethostbyaddr(socket.gethostname())[0]
now = time.time()
p = subprocess.run(["/usr/bin/dus", args.directory], capture_output=True, text=True)
report = []
for ln in p.stdout.split("\n")[:-1]:
(size, directory) = ln.split("\t")
report.append(
{
"description": {
"hostname": hostname,
"directory": directory,
"measure": "diskusage",
"unit": "bytes",
},
"data": [
[now, int(size)*1024]
]
}
)
for dir in (".", os.environ["HOME"] + "/.config/ltsdb", "/etc/ltsdb"):
try:
with open(dir + "/config.json") as fh:
client_config = json.load(fh)
baseurl = client_config["server"]
break
except FileNotFoundError:
pass
while True:
for r in report:
node = hostname
timestamp = time.time()
msg = (node + " " + str(timestamp)).encode("UTF-8")
digest = hmac.new(client_config["key"].encode("UTF-8"), msg, "SHA256").hexdigest()
r["auth"] = {
"node": node,
"timestamp": timestamp,
"hmac": digest,
}
#pprint.pp(report)
r = requests.post(baseurl + "report", json=report)
print(r)
if r.status_code == 200:
exit(0)
elif r.status_code == 409:
time.sleep(0.5 + random.random())
continue
else:
exit(1)