X-Git-Url: http://git.treefish.org/~alex/logalert.git/blobdiff_plain/6e4649c5bae35dc883f50642d81f0b57c6df565b..066228e2a7b4a1ae397231965d17c25bef2cd461:/src/logalert.py diff --git a/src/logalert.py b/src/logalert.py index 509b246..e2f02cc 100755 --- a/src/logalert.py +++ b/src/logalert.py @@ -2,58 +2,13 @@ import argparse import logging -import os -import shlex -import subprocess import time -from line import Line +import misc MAX_LINES = 10 ALERT_INTERVAL = 86400 -def follow(filename): - while True: - try: - with open(filename, "r") as f: - logging.info("Re-attached to log file.") - for line in f: pass - while True: - line = f.readline() - if not line: - if not os.path.exists(filename): - break - else: - time.sleep(1.0) - yield None - else: - yield line.rstrip("\n") - except FileNotFoundError: - time.sleep(1.0) - yield None - -def feed_handler(data): - try: - handler = subprocess.Popen(shlex.split(args.handler), - stdin=subprocess.PIPE, - stdout=subprocess.PIPE, - stderr=subprocess.PIPE, - encoding='UTF-8') - out_data, err_data = handler.communicate("%s\n" % data) - if handler.returncode != 0: - logging.warning("Handler exited with non-zero return code %d! (%s)" % - (handler.returncode, err_data)) - except Exception as e: - logging.error("Error feeding handler: %s" % str(e)) - -def create_msg(title, icon, logfile, text, lines): - msg = "%s %s %s" % (title, logfile, icon) - msg += "
%s" % text - msg += "
"
-    for line in lines: msg += line + "\n"
-    msg += "
" - return msg - logging.basicConfig(format='[%(asctime)s] %(levelname)s: %(message)s', level=logging.INFO, datefmt='%m/%d/%Y %H:%M:%S') @@ -75,7 +30,7 @@ last_slot_time = None error_state = False last_alert_time = 0 -for line in follow(args.logfile): +for line in misc.follow_file(args.logfile): time_now = time.time() slot_now = int(time_now) // args.interval_size @@ -100,11 +55,12 @@ for line in follow(args.logfile): if not False in intervals[1:]: if not error_state or time_now - last_alert_time > ALERT_INTERVAL: last_alert_time = time_now - feed_handler( create_msg("Log Alert", - "☠", - args.logfile, - "Number of errors exceeded!", - lines) ) + misc.feed_handler( args.handler, + misc.create_msg("Log Alert", + "☠", + args.logfile, + "Number of errors exceeded!", + lines) ) if not error_state: logging.warning("Entering error state!") error_state = True @@ -113,8 +69,3 @@ for line in follow(args.logfile): if error_state: logging.info("Leaving error state.") error_state = False - feed_handler( create_msg("Log Un-Alert", - "🌞", - args.logfile, - "Log is back to normal.", - lines) )