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Code Issues Releases Wiki Activity

experimentally scanning the mail log to see if we can infer a good time to take a backup

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This commit is contained in:
Joshua Tauberer 2015-10-22 10:35:14 +00:00
parent 53dc53bf8f
commit 4c4babd9e7
1 changed files with 15 additions and 0 deletions
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15
management/mail_log.py
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@ -1,5 +1,6 @@
#!/usr/bin/python3 #!/usr/bin/python3
from collections import defaultdict
import re, os.path import re, os.path
import dateutil.parser import dateutil.parser
@ -12,6 +13,7 @@ def scan_mail_log(logger, env):
"imap-logins": { }, "imap-logins": { },
"postgrey": { }, "postgrey": { },
"rejected-mail": { }, "rejected-mail": { },
"activity-by-hour": { "imap-logins": defaultdict(int), "smtp-sends": defaultdict(int) },
} }
collector["real_mail_addresses"] = set(mailconfig.get_mail_users(env)) | set(alias[0] for alias in mailconfig.get_mail_aliases(env)) collector["real_mail_addresses"] = set(mailconfig.get_mail_users(env)) | set(alias[0] for alias in mailconfig.get_mail_aliases(env))
@ -45,6 +47,10 @@ def scan_mail_log(logger, env):
for date, sender, message in collector["rejected-mail"][k]: for date, sender, message in collector["rejected-mail"][k]:
logger.print_line(k + "\t" + str(date) + "\t" + sender + "\t" + message) logger.print_line(k + "\t" + str(date) + "\t" + sender + "\t" + message)
logger.add_heading("Activity by Hour")
for h in range(24):
logger.print_line("%d\t%d\t%d" % (h, collector["activity-by-hour"]["imap-logins"][h], collector["activity-by-hour"]["smtp-sends"][h] ))
if len(collector["other-services"]) > 0: if len(collector["other-services"]) > 0:
logger.add_heading("Other") logger.add_heading("Other")
logger.print_block("Unrecognized services in the log: " + ", ".join(collector["other-services"])) logger.print_block("Unrecognized services in the log: " + ", ".join(collector["other-services"]))
@ -65,6 +71,9 @@ def scan_mail_log_line(line, collector):
elif service == "postfix/smtpd": elif service == "postfix/smtpd":
scan_postfix_smtpd_line(date, log, collector) scan_postfix_smtpd_line(date, log, collector)
elif service == "postfix/submission/smtpd":
scan_postfix_submission_line(date, log, collector)
elif service in ("postfix/qmgr", "postfix/pickup", "postfix/cleanup", elif service in ("postfix/qmgr", "postfix/pickup", "postfix/cleanup",
"postfix/scache", "spampd", "postfix/anvil", "postfix/master", "postfix/scache", "spampd", "postfix/anvil", "postfix/master",
"opendkim", "postfix/lmtp", "postfix/tlsmgr"): "opendkim", "postfix/lmtp", "postfix/tlsmgr"):
@ -80,6 +89,7 @@ def scan_dovecot_line(date, log, collector):
login, ip = m.group(1), m.group(2) login, ip = m.group(1), m.group(2)
if ip != "127.0.0.1": # local login from webmail/zpush if ip != "127.0.0.1": # local login from webmail/zpush
collector["imap-logins"].setdefault(login, {})[ip] = date collector["imap-logins"].setdefault(login, {})[ip] = date
collector["activity-by-hour"]["imap-logins"][date.hour] += 1
def scan_postgrey_line(date, log, collector): def scan_postgrey_line(date, log, collector):
m = re.match("action=(greylist|pass), reason=(.*?), (?:delay=\d+, )?client_name=(.*), client_address=(.*), sender=(.*), recipient=(.*)", log) m = re.match("action=(greylist|pass), reason=(.*?), (?:delay=\d+, )?client_name=(.*), client_address=(.*), sender=(.*), recipient=(.*)", log)
@ -114,6 +124,11 @@ def scan_postfix_smtpd_line(date, log, collector):
collector["rejected-mail"].setdefault(recipient, []).append( (date, sender, message) ) collector["rejected-mail"].setdefault(recipient, []).append( (date, sender, message) )
def scan_postfix_submission_line(date, log, collector):
m = re.match("([A-Z0-9]+): client=(\S+), sasl_method=PLAIN, sasl_username=(\S+)", log)
if m:
procid, client, user = m.groups()
collector["activity-by-hour"]["smtp-sends"][date.hour] += 1
if __name__ == "__main__": if __name__ == "__main__":
from status_checks import ConsoleOutput from status_checks import ConsoleOutput