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     lo -1 bounce "message in /m/md/bounces/new"
  28   fi
  29   glob=(/m/md/alerts/new/* /m/md/alerts/cur/*)
  30   if [[ -e ${glob[0]} ]]; then
  31     chars+=("ALERT!")
  32   fi
  33   if [[ -e /nocow/user/mailtest-failure ]]; then
  34     chars+=("MAILPING!")
  35   fi
  36   if [[ -s /var/log/exim4/paniclog ]]; then
  37     chars+=("PANIC!")
  38     tail /var/log/exim4/paniclog | lo -1 paniclog
  39   fi
  40
  41   source /a/bin/bash_unpublished/source-state
  42   if [[ $MAIL_HOST == "$HOSTNAME" ]]; then
  43     if [[ $(systemctl is-active btrbk.timer) != active ]]; then
  44       chars+=("BTRBK.TIMER!")
  45       lo -60 btrbk.timer "btrbk.timer not enabled"
  46     fi
  47
  48     ## check if last snapshot was within an hour
  49     vol=o
  50     snaps=(/mnt/root/btrbk/$vol.20*)
  51     now=$(date +%s)
  52     maxtime=0
  53     for s in ${snaps[@]}; do
  54       file=${s##*/}
  55       t=$(date -d $(sed -r  's/(.{4})(..)(.{5})(..)(.*)/\1-\2-\3:\4:\5/' <<<${file#$vol.}) +%s)
  56       if (( t > maxtime )); then
  57         maxtime=$t
  58       fi
  59     done
  60     if (( maxtime < now - 60*60 )); then
  61       chars+=("OLD-SNAPSHOT!")
  62       lo -1 old-snapshot "/o snapshot older than 1 hour"
  63     fi
  64   fi
  65
  66   cat /a/bin/bash_unpublished/source-state >$status_file
  67
  68   if [[ ${chars[*]} ]]; then
  69     echo "ps_char=\"${chars[*]} \$ps_char\"" >>$status_file
  70   fi
  71
  72 }
  73 write-status
  74 if [[ $1 ]]; then
  75   cat $status_file
  76   exit 0
  77 fi
  78 for ((i=1; i<=3; i++)); do
  79   sleep 15
  80   write-status
  81 done