2 # Copyright (C) 2019 Ian Kelling
3 # SPDX-License-Identifier: AGPL-3.0-or-later
5 # The panic log regularly gets some stuff in it we dont want to fix.
6 # Detect it and wipe it out.
8 if [ -z "$BASH_VERSION" ]; then echo "error: shell is not bash" >&2; exit 1; fi
10 shopt -s inherit_errexit
2>/dev
/null ||
: # ignore fail in bash < 4.4
12 trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
14 [[ $EUID == 0 ]] ||
exec sudo
-E "${BASH_SOURCE[0]}" "$@"
29 pl
=/var
/log
/exim
4/paniclog
31 if [[ ! -s $pl ]]; then
35 # seems to randomly be caused by
36 # Starting exim4-base housekeeping, exim4-base.service
37 regex
="^[^ ]* 00:00:0.* Failed writing transport results to pipe: Broken pipe$"
38 grep "$regex" $pl >> $pl-archive ||
:
39 sed -i "/$regex/d" $pl
41 ## begin broken pipe & write lock ##
42 regex
="Failed to get write lock\|Failed writing transport results to pipe: Broken pipe$"
46 while read -r day
time _
; do
47 log_s
=$
(date -d "$day $time" +%s
)
49 if (( now_s
- 300 > log_s
)); then
52 done < <(grep "$regex" $pl ||
:)
54 # I see broken pipe in groups of 3 for the same message around once a day
55 # randomly. I'm guessing they are related to running 2 instances of
56 # exim which share the same spool. So, if we have some, but not in
57 # the last 5 minutes, and less than 20, it should be fine to clear
58 # them. write lock happens less but can fit under the same rule.
59 if (( count
> 20 )); then
61 elif ! $newlines; then
62 grep "$regex" $pl >>$pl-archive
63 sed -i "/$regex/d" $pl
68 while read -r service regex
; do
72 while read -r d1 d2
; do
75 tmptime
=$
(date -d "$d1 $d2" +%s
)
76 # dont consider every matching line, just those in > 60 second intervals
77 if [[ ! $logtime ]]; then
79 elif (( tmptime
> logtime
+ 60 )); then
84 sec_min
=$
((logtime
- 60))
85 sec_max
=$
((logtime
+ 60))
86 jmin
="$(date -d @$sec_min "+%F
%H
:%M
:%S
")"
87 jmax
="$(date -d @$sec_max "+%F
%H
:%M
:%S
")"
88 description
=$
(systemctl
cat $service |
sed -rn 's/^ *Description=(.*)/\1/p')
89 jrregex
="^Starting $description"
90 if [[ $service == spamassassin
]]; then
91 jrregex
+="\|^spamd: restarting"
93 d
"jrregex=$jrregex jmin=$jmin jmax=$jmax"
94 # the sed clears out the initial time and process+pid
95 if ! journalctl
-u $service -S "$jmin" -U "$jmax" \
96 |
sed -r 's/^([^[:space:]]*[[:space:]]+){5}//' |
grep "$jrregex" &>/dev
/null
; then
100 done < <(awk "/$regex/ "'{print $1,$2}' $pl)
101 if $found && $wipe; then
103 if [[ ! -w $pl-archive ]]; then
105 chgrp adm
$pl-archive
106 chmod 664 $pl-archive
108 grep -E "$regex" $pl >> $pl-archive ||
:
109 sed -ri "/$regex/d" $pl
112 clamav-daemon malware acl condition
113 spamassassin spam acl condition
117 if [[ $INVOCATION_ID ]]; then
118 # this is to prevent systemd from filling up the journal
119 for (( runcount
=0; runcount
< 100; runcount
++ )); do