2020-03-09 18:54:41 +00:00
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#!/usr/bin/env python3
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import discord, sys, traceback, io
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from bot_utils import setup, send_msg, sc_precision
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from datetime import datetime, timedelta
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from subprocess import Popen, PIPE
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"""
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log-checker checks journal logs for siad.
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Arguments:
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1. path to a .env file (default is none so env variables can already be
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preset)
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2020-03-10 15:08:54 +00:00
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2. systemd service name (default: "siad")
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3. number of hours to look back in log (used as --since value in journalctl
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command) (default: 1 hour)
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2020-03-09 18:54:41 +00:00
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"""
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DEFAULT_CHECK_INTERVAL = timedelta(hours=1)
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bot_token = setup()
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client = discord.Client()
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@client.event
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async def on_ready():
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await run_checks()
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await client.close()
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async def run_checks():
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print("Running Skynet portal log checks")
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try:
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await check_journal()
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except: # catch all exceptions
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trace = traceback.format_exc()
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await send_msg(client, "```\n{}\n```".format(trace), force_notify=False)
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# check_journal checks the journal
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async def check_journal():
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print("\nChecking journal...")
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# Get the systemd service name as an argument, or use "siad" as default.
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service_name = "siad"
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if len(sys.argv) > 2:
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service_name = sys.argv[2]
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2020-03-10 15:08:54 +00:00
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# Get the systemd service name as an argument, or use "siad" as default.
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check_interval = DEFAULT_CHECK_INTERVAL
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if len(sys.argv) > 3:
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check_interval = timedelta(hours=int(sys.argv[3]))
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now = datetime.now()
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time = now - check_interval
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time_string = "{}-{}-{} {}:{}:{}".format(time.year, time.month, time.day, time.hour, time.minute, time.second)
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2020-03-09 18:54:41 +00:00
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# Open the journal.
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proc = Popen(["journalctl", "--user-unit", service_name, "--since", time_string], stdin=PIPE, stdout=PIPE, stderr=PIPE, text=True)
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std_out, std_err = proc.communicate()
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if len(std_err) > 0:
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2020-03-09 20:06:15 +00:00
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await send_msg(client, "Error reading journalctl output: {}".format(std_err), force_notify=True)
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2020-03-09 18:54:41 +00:00
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return
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# If there are any critical errors. upload the whole log file.
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2020-03-24 14:23:09 +00:00
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if "Critical" or "panic" in std_out:
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2020-03-09 18:54:41 +00:00
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upload_name = "{}-{}-{}-{}-{}:{}:{}.log".format(service_name, time.year, time.month, time.day, time.hour, time.minute, time.second)
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2020-03-09 20:06:15 +00:00
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await send_msg(client, "Critical error found in log!", file=discord.File(io.BytesIO(std_out.encode()), filename=upload_name), force_notify=True)
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2020-03-09 18:54:41 +00:00
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return
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2020-03-10 15:08:54 +00:00
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# No critical errors, return a heartbeat type messagej
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pretty_before = time.strftime("%I:%M%p")
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pretty_now = now.strftime("%I:%M%p")
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await send_msg(client, "No critical warnings in log from `{}` to `{}`".format(pretty_before, pretty_now))
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2020-03-09 18:54:41 +00:00
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client.run(bot_token)
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