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[smtp]
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host =
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; leave empty for default port
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port =
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; set to "true" to activate
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ssl = false
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user =
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password =
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[email]
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; when to send an email, comma-separated list of [success, error]
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send = success,error
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subject = [SnapRAID] Status Report:
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from =
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to =
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[snapraid]
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; path to the snapraid executable
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executable =
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; path to the snapraid config to be used
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config = snapraid.conf
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; abort operation if there are more deletes than this, leave empty to disable
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deletethreshold = 40
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[logging]
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; logfile to write to, leave empty to disable
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file = snapraid.log
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; maximum logfile size in KiB, leave empty for infinite
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maxsize = 5000
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; maybe some smartctrl options
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+211
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# -*- coding: utf8 -*-
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import ConfigParser
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import argparse
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import logging
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import logging.handlers
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import sys
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import subprocess
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import threading
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import traceback
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from collections import Counter
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from cStringIO import StringIO
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# TODO: check config validity
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# TODO: alles in main und exceptions handlen
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# finish() darf keine exceptions werfen!
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# Global variables
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config = None
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email_log = None
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def tee_log(infile, out_lines, log_level):
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def tee_thread():
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for line in iter(infile.readline, ''):
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logging.log(log_level, line.strip())
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out_lines.append(line)
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infile.close()
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t = threading.Thread(target=tee_thread)
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#t.daemon = True
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t.start()
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return t
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def snapraid_command(command):
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p = subprocess.Popen(
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[config.get("snapraid", "executable"), command,
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"--conf", config.get("snapraid", "config")],
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE)
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out = []
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threads = [
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tee_log(p.stdout, out, logging.OUTPUT),
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tee_log(p.stderr, [], logging.OUTERR)]
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for t in threads:
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t.join()
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ret = p.wait()
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if ret == 0:
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return out
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else:
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raise subprocess.CalledProcessError(ret, "snapraid " + command)
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def send_email(success):
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import smtplib
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from email.mime.text import MIMEText
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from email import charset
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# use quoted-printable instead of the default base64
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charset.add_charset('utf-8', charset.SHORTEST, charset.QP)
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if success:
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body = "SnapRAID job completed successfully:\n\n\n"
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else:
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body = "Error during SnapRAID job:\n\n\n"
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body += email_log.getvalue()
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msg = MIMEText(body, "plain", "utf-8")
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msg['Subject'] = config.get("email", "subject") + \
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" SUCCESS" if success else " ERROR"
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msg['From'] = config.get("email", "from")
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msg['To'] = config.get("email", "to")
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smtp = {"host": config.get("smtp", "host")}
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if config.get("smtp", "port"):
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smtp["port"] = config.getint("smtp", "port")
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if config.get("smtp", "ssl").lower() == "true":
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server = smtplib.SMTP_SSL(**smtp)
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else:
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server = smtplib.SMTP(**smtp)
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if config.get("smtp", "user"):
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server.login(config.get("smtp", "user"),
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config.get("smtp", "password"))
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server.sendmail(
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config.get("email", "from"),
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[config.get("email", "to")],
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msg.as_string())
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server.quit
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def finish(is_success):
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if is_success:
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logging.info("Run finished successfully")
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else:
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logging.error("Run failed")
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if ((is_success and "success" in config.get("email", "send")) or
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(not is_success and "error" in config.get("email", "send"))):
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send_email(is_success)
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sys.exit(0 if is_success else 1)
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def load_config(file):
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global config
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config = ConfigParser.RawConfigParser(allow_no_value=True)
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config.add_section("smtp")
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config.add_section("email")
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config.add_section("snapraid")
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config.set("snapraid", "delethreshold", 0)
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config.add_section("logging")
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config.set("logging", "file", None)
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config.set("logging", "maxsize", 0)
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config.read(file)
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def setup_logger():
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log_format = logging.Formatter(
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"%(asctime)s [%(levelname)-6.6s] %(message)s")
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root_logger = logging.getLogger()
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logging.OUTPUT = 15
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logging.addLevelName(logging.OUTPUT, "OUTPUT")
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logging.OUTERR = 25
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logging.addLevelName(logging.OUTERR, "OUTERR")
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root_logger.setLevel(logging.OUTPUT)
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console_logger = logging.StreamHandler(sys.stdout)
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console_logger.setFormatter(log_format)
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root_logger.addHandler(console_logger)
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if config.get("logging", "file"):
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max_log_size = min(config.getint("logging", "maxsize"), 0) * 1024
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file_logger = logging.handlers.RotatingFileHandler(
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config.get("logging", "file"),
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maxBytes=max_log_size,
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backupCount=9)
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file_logger.setFormatter(log_format)
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root_logger.addHandler(file_logger)
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if config.get("email", "send"):
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global email_log
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email_log = StringIO()
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email_logger = logging.StreamHandler(email_log)
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email_logger.setFormatter(log_format)
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# Don't send programm stdout in email
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email_logger.setLevel(logging.INFO)
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root_logger.addHandler(email_logger)
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def main():
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parser = argparse.ArgumentParser()
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parser.add_argument('-c', '--conf', nargs=1,
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default='snapraid-runner.conf',
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help='Configuration file (default %(default)s)')
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args = parser.parse_args()
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load_config(args.conf)
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setup_logger()
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logging.info("=" * 60)
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logging.info("Run started")
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logging.info("=" * 60)
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logging.info("Running diff...")
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try:
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diff_out = snapraid_command("diff")
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except subprocess.CalledProcessError as e:
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logging.error(e)
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finish(False)
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logging.info("*" * 60)
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diff_results = Counter(line.split(" ")[0] for line in diff_out)
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logging.info(("Diff results: {add} added, {remove} removed, "
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+ "{move} moved, {update} modified").format(**diff_results))
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if (config.getint("snapraid", "deletethreshold") > 0 and
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diff_results["remove"] >
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config.getint("snapraid", "deletethreshold")):
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logging.error(
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"Deleted files exceed delete threshold {}, aborting".format(
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config.getint("snapraid", "deletethreshold")))
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finish(False)
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if (diff_results["remove"] + diff_results["add"] + diff_results["move"] +
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diff_results["update"] == 0):
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logging.info("No changes detected, no sync required")
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finish(True)
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logging.info("Running sync...")
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try:
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snapraid_command("sync")
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except subprocess.CalledProcessError as e:
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logging.error(e)
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finish(False)
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logging.info("*" * 60)
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logging.info("All done")
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finish(True)
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try:
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load_config()
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except:
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print("unexpected exception while loading config")
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print traceback.format_exc()
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sys.exit(2)
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try:
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setup_logger()
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except:
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print("unexpected exception while setting up logging")
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print traceback.format_exc()
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sys.exit(2)
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try:
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main()
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except Exception as e:
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logging.exception("Run failed due to unexpected exception:")
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finish(False)
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