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
  39   if ! make -q ~/.local/distro-begin || [[ $(<~/.local/distro-begin) != 0 ]]; then
  40     chars+=("DISTRO-BEGIN!")
  41   fi
  42
  43   if ! make -q ~/.local/distro-end || [[ $(<~/.local/distro-end) != 0 ]]; then
  44     chars+=("DISTRO-END!")
  45   fi
  46
  47   f=~/.local/conflink
  48   if [[ -e $f ]]; then
  49     cd /b/ds
  50     now=$(date +%s)
  51     fsec=$(stat -c%Y $f)
  52     fmin=$(( (fsec - now ) / 60 + 1 ))
  53     fminplus=$(( fmin + 60*24 ))
  54     # Filesystem files get copied, so find any newer than the last run.
  55     # The rest are hueristics:
  56     # Given the last time we added a file in git, is that newer than the last conflink run.
  57     # Given new files not added to git, were they modified more recently than the last conflink? but,
  58     # push their modification time back by a day so we can develop them before needing to add them to git.
  59     if (( $(date -d "$(git log --diff-filter=ACR --format=%aD -1)" +%s) > fsec )) || \
  60          [[ $(find {/a/bin/ds,/p/c}{/filesystem,/machine_specific/$HOSTNAME/filesystem} -mmin $fmin -type f -print -quit 2>/dev/null) ]] \
  61          || [[ $(find $(git ls-files -o --exclude-standard) -mmin $fminplus -type f -print -quit) ]]; then
  62       chars+=("CONFLINK!")
  63     fi
  64   fi
  65
  66   if [[ ! -e $f || $(<$f) != 0 ]]; then
  67     chars+=("CONFLINK!")
  68   fi
  69
  70
  71   ## Clean the paniclog, but only up to 4 times per day, or else we
  72   ## should investigate.
  73   loglog=/tmp/panicloglog-$(date --rfc-3339=date)
  74   if [[ -s $loglog ]]; then
  75     spamcount=$(stat -c%s $loglog)
  76   else
  77     spamcount=0
  78   fi
  79   if (( spamcount <= 4 )); then
  80     if grep -q 'spam acl condition' /var/log/exim4/paniclog; then
  81       printf . >>$loglog
  82     fi
  83     /a/bin/distro-setup/epanic-clean
  84   fi
  85
  86   if [[ -s /var/log/exim4/paniclog ]]; then
  87     chars+=("PANIC!")
  88     tail -n 20 /var/log/exim4/paniclog | lo -1 paniclog
  89   else
  90     lo -1 paniclog
  91   fi
  92
  93   source /a/bin/bash_unpublished/source-state
  94   if [[ $MAIL_HOST == "$HOSTNAME" ]]; then
  95     if [[ $(systemctl is-active btrbk.timer) != active ]]; then
  96       chars+=("BTRBK.TIMER!")
  97       bbkmsg="btrbk.timer not enabled"
  98     fi
  99     lo -60 btrbk.timer $bbkmsg
 100
 101     ## check if last snapshot was within an hour
 102     vol=o
 103     snaps=(/mnt/root/btrbk/$vol.20*)
 104     now=$(date +%s)
 105     maxtime=0
 106     for s in ${snaps[@]}; do
 107       file=${s##*/}
 108       t=$(date -d $(sed -r  's/(.{4})(..)(.{5})(..)(.*)/\1-\2-\3:\4:\5/' <<<${file#$vol.}) +%s)
 109       if (( t > maxtime )); then
 110         maxtime=$t
 111       fi
 112     done
 113     if (( maxtime < now - 60*60 )); then
 114       chars+=("OLD-SNAPSHOT!")
 115       snapshotmsg="/o snapshot older than 1 hour"
 116     fi
 117     lo -1 old-snapshot $snapshotmsg
 118   fi
 119
 120   cat /a/bin/bash_unpublished/source-state >$status_file
 121
 122   if [[ ${chars[*]} ]]; then
 123     echo "ps_char=\"${chars[*]} \$ps_char\"" >>$status_file
 124   fi
 125
 126 }
 127 write-status
 128 if [[ $1 ]]; then
 129   cat $status_file
 130   exit 0
 131 fi
 132 for ((i=1; i<=3; i++)); do
 133   sleep 15
 134   write-status
 135 done