# Copyright (C) 2019 Ian Kelling
# SPDX-License-Identifier: AGPL-3.0-or-later
-# usage: runs 4 times every 15 seconds unless any args are passed, then just runs once
+# usage: runs 4 times every 15 seconds unless any args are passed, or we
+# are on battery power, then just runs once.
if [ -z "$BASH_VERSION" ]; then echo "error: shell is not bash" >&2; exit 1; fi
-set -eE -o pipefail
-trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
-
+source /a/bin/errhandle/err
status_file=/dev/shm/iank-status
shopt -s nullglob
shopt -s dotglob
+verbose=false
+if [[ $1 ]]; then
+ verbose=true
+fi
+v() {
+ if $verbose; then
+ printf "%s\n" "$*"
+ fi
+}
+lo() { /usr/local/bin/log-once "$@"; }
+
write-status() {
- chars=()
+ chars=("${first_chars[@]}")
glob=(/nocow/btrfs-stale/*)
- if [[ -e $glob ]] ; then
+ if [[ -e ${glob[0]} ]]; then
chars+=("STALE!")
fi
glob=(/m/md/bounces/new/*)
- if [[ -e $glob ]]; then
+ if [[ -e ${glob[0]} ]]; then
chars+=("BOUNCE!")
+ bouncemsg="message in /m/md/bounces/new"
fi
- glob=(/m/md/alerts/new/*)
- if [[ -e $glob ]]; then
+ lo -1 bounce $bouncemsg
+ glob=(/m/md/alerts/new/* /m/md/alerts/cur/*)
+ if [[ -e ${glob[0]} ]]; then
chars+=("ALERT!")
fi
if [[ -e /nocow/user/mailtest-failure ]]; then
chars+=("MAILPING!")
fi
+
+ if ! qlen=$(/usr/sbin/exiqgrep -o 60 -c -b | awk '{print $1}'); then
+ # early in install process, we dont have permission yet for exiqgrep
+ qlen=$(sudo /usr/sbin/exiqgrep -o 60 -c -b | awk '{print $1}')
+ fi
+ if ((qlen)); then
+ chars+=("q $qlen")
+ fi
+
+ begin=false
+ cd /b/ds
+ if ! make -q ~/.local/distro-begin || [[ $(<~/.local/distro-begin) != 0 ]]; then
+ begin=true
+ fi
+
+ end=false
+ if ! make -q ~/.local/distro-end || [[ $(<~/.local/distro-end) != 0 ]]; then
+ end=true
+ fi
+
+ if $begin && $end; then
+ chars+=("DISTRO!")
+ elif $begin; then
+ chars+=("DISTRO-BEGIN!")
+ elif $end; then
+ chars+=("DISTRO-END!")
+ fi
+
+ f=~/.local/conflink
+ for _ in 1; do
+ if [[ -e $f ]]; then
+ now=$(date +%s)
+ fsec=$(stat -c%Y $f)
+ # the / 60 makes it 0-59 seconds less strict, +1 makes sure we
+ # dont have any false positives.
+ fmin=$(( (fsec - now ) / 60 + 1 ))
+ fminplus=$(( fmin + 60*24 ))
+ # Filesystem files get copied, so find any newer than the last run.
+ # The rest are hueristics:
+ # Given the last time we added a file in git, is that newer than the last conflink run.
+ # Given new files not added to git, were they modified more recently than the last conflink? but,
+ # push their modification time back by a day so we can develop them before needing to add them to git.
+
+ all_dirs=({/a/bin/ds,/p/c}{/filesystem,/machine_specific/$HOSTNAME/filesystem})
+ # This part is copied from conflink
+ for x in /p/c/machine_specific/*.hosts /a/bin/ds/machine_specific/*.hosts; do
+ if grep -qxF $HOSTNAME $x; then all_dirs+=( ${x%.hosts} ); fi
+ done
+
+ # just because i forget a lot, -mmin -NUM means files modified <= NUM minutes ago
+ if (( $(date -d "$(git log --diff-filter=ACR --format=%aD -1)" +%s) > fsec )) || \
+ [[ $(find ${all_dirs[@]} -mmin $fmin -type f -print -quit 2>/dev/null) ]]; then
+ v conflink newer git or newer filesystem files
+ chars+=("CONFLINK!")
+ break
+ fi
+
+ for d in /a/bin/distro-setup /p/c; do
+ cd $d
+ if [[ ! -e .git ]]; then
+ # some hosts i dont push all of /p/c
+ continue
+ fi
+ untracked=$(git ls-files -o --exclude-standard)
+ if [[ $untracked && $(find $untracked -mmin $fminplus -type f -print -quit) ]]; then
+ v conflink: untracked in $d
+ chars+=("CONFLINK!")
+ break
+ fi
+ done
+
+ fi
+ if [[ ! -e $f || $(<$f) != 0 ]]; then
+ v conflink: last run not found or failed
+ chars+=("CONFLINK!")
+ break
+ fi
+ done
+
+
+ ## Clean the paniclog, but only up to 4 times per day, or else we
+ ## should investigate.
+ loglog=/tmp/panicloglog-$(date --rfc-3339=date)
+ if [[ -s $loglog ]]; then
+ spamcount=$(stat -c%s $loglog)
+ else
+ spamcount=0
+ fi
+ if (( spamcount <= 4 )); then
+ if grep -q 'spam acl condition' /var/log/exim4/paniclog &>/dev/null; then
+ printf . >>$loglog
+ fi
+ /a/bin/distro-setup/epanic-clean
+ fi
+
if [[ -s /var/log/exim4/paniclog ]]; then
chars+=("PANIC!")
+ tail -n 20 /var/log/exim4/paniclog | lo -1 paniclog
+ else
+ lo -1 paniclog
fi
source /a/bin/bash_unpublished/source-state
- if [[ $MAIL_HOST == $HOSTNAME ]]; then
+ if [[ $MAIL_HOST == "$HOSTNAME" ]]; then
+ bbkmsg=
if [[ $(systemctl is-active btrbk.timer) != active ]]; then
- chars+=("BTRBK-TIMER!")
+ chars+=("BTRBK.TIMER!")
+ bbkmsg="btrbk.timer not enabled"
fi
+ lo -60 btrbk.timer $bbkmsg
## check if last snapshot was within an hour
vol=o
- snaps=(/mnt/root/btrbk/$vol.20*)
+ # this section generally copied from btrbk scripts, but
+ # this part modified to speed things up by about half a second.
+ # I'm not sure if its quite as reliable, but it looks pretty safe.
+ # Profiled it using time and also adding to the top of the file:
+ # set -x
+ # PS4='+ $(date "+%2N") '
+ snaps=($(ls -1avdr /mnt/root/btrbk/$vol.20*|head -n1))
now=$(date +%s)
maxtime=0
for s in ${snaps[@]}; do
fi
done
if (( maxtime < now - 60*60 )); then
- chars+=("OLD-SNAPSHOT!")
+ chars+=("OLD-SNAP!")
+ snapshotmsg="/o snapshot older than 1 hour"
fi
+ lo -1 old-snapshot $snapshotmsg
fi
cat /a/bin/bash_unpublished/source-state >$status_file
- if [[ $chars ]]; then
+ if [[ ${chars[*]} ]]; then
echo "ps_char=\"${chars[*]} \$ps_char\"" >>$status_file
fi
}
+# use this if we want to do something just once per minute
+first_chars=()
+
+power=true
+if [[ -e /sys/class/power_supply/AC/online && $(</sys/class/power_supply/AC/online) == 0 ]]; then
+ power=false
+fi
+
write-status
-if [[ $@ ]]; then
+if [[ $1 ]]; then
cat $status_file
exit 0
fi
+
+if ! $power; then
+ exit 0
+fi
for ((i=1; i<=3; i++)); do
sleep 15
write-status
iankelling.org / git / distro-setup / blobdiff