iankelling.org Git - distro-setup/blob - system-status

   1 #!/bin/bash
   2 # Copyright (C) 2019 Ian Kelling
   3 # SPDX-License-Identifier: AGPL-3.0-or-later
   4
   5 # usage: runs 4 times every 15 seconds unless any args are passed, then just runs once
   6
   7 if [ -z "$BASH_VERSION" ]; then echo "error: shell is not bash" >&2; exit 1; fi
   8
   9 source /a/bin/errhandle/err
  10 status_file=/dev/shm/iank-status
  11
  12 shopt -s nullglob
  13 shopt -s dotglob
  14
  15 lo() { /usr/local/bin/log-once "$@"; }
  16
  17 write-status() {
  18   chars=()
  19
  20   glob=(/nocow/btrfs-stale/*)
  21   if [[ -e ${glob[0]} ]]; then
  22     chars+=("STALE!")
  23   fi
  24   glob=(/m/md/bounces/new/*)
  25   if [[ -e ${glob[0]} ]]; then
  26     chars+=("BOUNCE!")
  27     bouncemsg="message in /m/md/bounces/new"
  28   fi
  29   lo -1 bounce $bouncemsg
  30   glob=(/m/md/alerts/new/* /m/md/alerts/cur/*)
  31   if [[ -e ${glob[0]} ]]; then
  32     chars+=("ALERT!")
  33   fi
  34   if [[ -e /nocow/user/mailtest-failure ]]; then
  35     chars+=("MAILPING!")
  36   fi
  37
  38   ## Clean the paniclog, but only up to 4 times per day, or else we
  39   ## should investigate.
  40   loglog=/tmp/panicloglog-$(date --rfc-3339=date)
  41   if [[ -s $loglog ]]; then
  42     spamcount=$(stat -c%s $loglog)
  43   else
  44     spamcount=0
  45   fi
  46   if (( spamcount <= 4 )); then
  47     if grep -q 'spam acl condition' /var/log/exim4/paniclog; then
  48       printf . >>$loglog
  49     fi
  50     /a/bin/distro-setup/epanic-clean
  51   fi
  52
  53   if [[ -s /var/log/exim4/paniclog ]]; then
  54     chars+=("PANIC!")
  55     tail -n 20 /var/log/exim4/paniclog | lo -1 paniclog
  56   else
  57     lo -1 paniclog
  58   fi
  59
  60   source /a/bin/bash_unpublished/source-state
  61   if [[ $MAIL_HOST == "$HOSTNAME" ]]; then
  62     if [[ $(systemctl is-active btrbk.timer) != active ]]; then
  63       chars+=("BTRBK.TIMER!")
  64       bbkmsg="btrbk.timer not enabled"
  65     fi
  66     lo -60 btrbk.timer $bbkmsg
  67
  68     ## check if last snapshot was within an hour
  69     vol=o
  70     snaps=(/mnt/root/btrbk/$vol.20*)
  71     now=$(date +%s)
  72     maxtime=0
  73     for s in ${snaps[@]}; do
  74       file=${s##*/}
  75       t=$(date -d $(sed -r  's/(.{4})(..)(.{5})(..)(.*)/\1-\2-\3:\4:\5/' <<<${file#$vol.}) +%s)
  76       if (( t > maxtime )); then
  77         maxtime=$t
  78       fi
  79     done
  80     if (( maxtime < now - 60*60 )); then
  81       chars+=("OLD-SNAPSHOT!")
  82       snapshotmsg="/o snapshot older than 1 hour"
  83     fi
  84     lo -1 old-snapshot $snapshotmsg
  85   fi
  86
  87   cat /a/bin/bash_unpublished/source-state >$status_file
  88
  89   if [[ ${chars[*]} ]]; then
  90     echo "ps_char=\"${chars[*]} \$ps_char\"" >>$status_file
  91   fi
  92
  93 }
  94 write-status
  95 if [[ $1 ]]; then
  96   cat $status_file
  97   exit 0
  98 fi
  99 for ((i=1; i<=3; i++)); do
 100   sleep 15
 101   write-status
 102 done