#!/bin/bash
-# Copyright (C) 2019 Ian Kelling
-# SPDX-License-Identifier: AGPL-3.0-or-later
+
+# Basic system status on on Ian's computers
+# Copyright (C) 2024 Ian Kelling
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+# SPDX-License-Identifier: GPL-3.0-or-later
# usage: runs once every 15 seconds unless any args are passed, or we
-# then just runs once. On battery power, run once per minute.
+# then just runs once and have verbose output. On battery power, run
+# once per minute.
if [ -z "$BASH_VERSION" ]; then echo "error: shell is not bash" >&2; exit 1; fi
exit 1
fi
-source /a/bin/errhandle/err
+source /a/bin/bash-bear-trap/bash-bear
status_file=/dev/shm/iank-status
shopt -s nullglob
/usr/local/bin/log-once "$@" | ifne mail -s "$HOSTNAME: system-status $2" daylert@iankelling.org
fi
}
+# rm glob
+rmg() {
+ if (( $# )); then
+ rm -f "$@"
+ fi
+}
# todo, consider migrating some of these alerts into prometheus
write-status() {
dynamicipupdate
)
bads=()
- if systemctl show -p SubState --value ${services[@]} | egrep -v '^(running|)$' &>/dev/null; then
+ if systemctl show -p SubState --value ${services[@]} | grep -E -v '^(running|)$' &>/dev/null; then
for s in ${services[@]}; do
if [[ $(systemctl show -p SubState --value $s 2>&1) != running ]]; then
bads+=($s)
prometheus
)
bads=()
- if systemctl show -p SubState --value ${services[@]} | egrep -v '^(running|)$' &>/dev/null; then
+ if systemctl show -p SubState --value ${services[@]} | grep -E -v '^(running|)$' &>/dev/null; then
for s in ${services[@]}; do
if [[ $(systemctl show -p SubState --value $s 2>&1) != running ]]; then
bads+=($s)
esac
+ # this section copied from servicepid()
+ unit=exim4
+ pid=$(systemctl show --property MainPID --value $unit ||:)
+ case $pid in
+ [1-9]*) : ;;
+ *)
+ dir=/sys/fs/cgroup/system.slice
+ if [[ ! -d $dir ]]; then
+ dir=/sys/fs/cgroup/systemd/system.slice
+ fi;
+ pid=$(head -n1 $dir/${unit%.service}.service/cgroup.procs ||:)
+ ;;
+ esac
+ if [[ ! $pid ]]; then
+ chars+=(EXIM)
+ fi
+
+
if [[ -e /a/bin/bash_unpublished/source-state ]]; then
# /a gets remounted due to btrbk, ignore error code for file doesnt exist
source /a/bin/bash_unpublished/source-state || [[ $? == 1 ]]
fi
+
+
+ ## check if last snapshot was recent
+ old_snap_limit=$(( 3 * 60 * 60 ))
+ vol=o
+ btrbk_root=/mnt/o/btrbk
+ # 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='+ $(date "+%2N") '
+ # allow failure in case there are no snapshots yet.
+ shopt -s nullglob
+ files=($btrbk_root/$vol.20*)
+ shopt -u nullglob
+ if (( ${#files[@]} )); then
+ # shellcheck disable=SC2012 # using ls version sort. not sure this is needed.
+ snaps=("$(ls -1avdr "${files[@]}" 2>/dev/null |head -n1 || : )")
+ now=$EPOCHSECONDS
+ maxtime=0
+ for s in ${snaps[@]}; do
+ file=${s##*/}
+ t=$(date -d "$(sed -r 's/(.{4})(..)(.{5})(..)(.*)/\1-\2-\3:\4:\5/' <<<${file#"$vol."})" +%s)
+ if (( t > maxtime )); then
+ maxtime=$t
+ fi
+ done
+ snapshotmsg=
+ last_snap_age=$(( now - maxtime ))
+ last_snap_hours=$(( last_snap_age / 60 / 60 ))
+ if (( last_snap_age > old_snap_limit )); then
+ chars+=(OLD-SNAP-${last_snap_hours}h)
+ snapshotmsg="/$vol snapshot older than 4 hours"
+ if [[ $MAIL_HOST == "$HOSTNAME" ]]; then
+ p "$snapshotmsg" | lo -1 old-snapshot
+ fi
+ # not bothering to get info on all volumes if we find an old one.
+ fi
+ fi
+
+
if [[ $MAIL_HOST == "$HOSTNAME" ]]; then
bouncemsg=
fi
p "$bbkmsg" | lo -480 btrbk.timer
- ## check if last snapshot was within an hour
- vol=o
- # 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='+ $(date "+%2N") '
- # allow failure in case there are no snapshots yet.
- # shellcheck disable=SC2012
- shopt -u nullglob
- files=(/mnt/root/btrbk/$vol.20*)
- shopt -s nullglob
- snaps=()
- if (( ${#files[@]} )); then
- snaps=($(ls -1avdr "${files[@]}" 2>/dev/null |head -n1 || : ))
- fi
- now=$(date +%s)
- maxtime=0
- for s in ${snaps[@]}; do
- file=${s##*/}
- t=$(date -d $(sed -r 's/(.{4})(..)(.{5})(..)(.*)/\1-\2-\3:\4:\5/' <<<${file#$vol.}) +%s)
- if (( t > maxtime )); then
- maxtime=$t
- fi
- done
- snapshotmsg=
- if (( maxtime < now - 4*60*60 )); then
- chars+=(OLD-SNAP)
- snapshotmsg="/o snapshot older than 4 hours"
- fi
- p "$snapshotmsg" | lo -1 old-snapshot
# commented out, only using timetrap retrospectively.
# fi
# fi
# fi
-
+ else # end if $MAIL_HOST
+ rmg /home/iank/cron-errors/bounce* \
+ /home/iank/cron-errors/btrbk.timer* \
+ /home/iank/cron-errors/old-snapshot*
fi
if ip l show tunfsf &>/dev/null; then
# this is for tracking dns over tls issue, which
# fixvpndns() in brc2 fixes.
stat=$(resolvectl dnsovertls tunfsf 2>/dev/null ||: )
- read _ _ _ istls <<<"$stat"
+ read -r _ _ _ istls <<<"$stat"
case $istls in
no) : ;;
*)
esac
fi
-
- if pgrep -G iank -u iank -f 'emacs --daemon' &>/dev/null; then
- emacsfiles="$(emacsclient --eval "$(cat /usr/local/bin/unsaved-buffers.el)"| sed '/^"nil"$/d;s/^"(/E: /;s/)"$//')"
- if [[ $emacsfiles ]]; then
- chars+=("$emacsfiles")
+ # We do this once every 5 minutes, since this is not a grave problem.
+ # For formatted elisp, see /b/ds/unsaved-buffers.el
+ elisp='(format "%s" (-reduce-from (lambda (acc buf) (let ((bpath (buffer-file-name buf))) (if (and bpath (buffer-modified-p buf)) (cons bpath acc ) acc))) nil (buffer-list)))'
+ if [[ ! $last_emacs_check || $emacsfiles ]] || (( last_emacs_check < EPOCHSECONDS - 300 )); then
+ if pgrep -G iank -u iank -f 'emacs --daemon' &>/dev/null; then
+ # i dun care if this fails
+ emacsfiles="$(timeout 1 emacsclient -a /usr/bin/true --eval "$elisp" 2>/dev/null | sed '/^"nil"$/d;s/^"(/E: /;s/)"$//' ||:)"
+ if [[ $emacsfiles ]]; then
+ chars+=("$emacsfiles")
+ fi
fi
+ last_emacs_check=$EPOCHSECONDS
fi
+
glob=(/nocow/btrfs-stale/*)
if [[ -e ${glob[0]} ]]; then
chars+=(STALE)
fi
p $var_mail_msg | loday -1 var_mail
-
- tmp=(/var/local/cron-errors/mailtest-check*)
- if (( ${#tmp[@]} )); then
- chars+=(MAILPING)
- fi
- tmp=(/var/local/cron-errors/mailtest-slow*)
- if (( ${#tmp[@]} )); then
- chars+=(SPAMD)
- fi
-
- # early in install process, we dont have permission yet for exiqgrep.
- # 1100 helps allow for system restarts
- qlen=$(/usr/sbin/exiqgrep -o 1100 -c -b | awk '{print $1}') ||:
+ # Note, early in install process, we dont have permission yet for exiqgrep.
+ #
+ # todo: don't do this every 15 seconds, more like once every 2 minutes to
+ # save cpu cycles.
+ #
+ # 2400 = 40 mins. This should allow for system restarts, and
+ # 30 minute message delay plus 10 minute queu runs.
+ qlen=$(/usr/sbin/exiqgrep -o 2400 -c -b | awk '{print $1}') ||:
qmsg=
if ((qlen)); then
- qmsg="queue length $qlen"
- chars+=("q $qlen")
+ # Do sending of long delayed messages, and dont count them in our queue warnings.
+ for mid in $(exiqgrep -o 2400 -zi); do
+ if exim -Mvh $mid | awk 'tolower($2) == "fdate:"' | grep -q .; then
+ qlen=$(( qlen - 1 ))
+ # shellcheck disable=SC2016 # exim var, not a bash bar
+ if (( $(date -d "$(exim -Mset $mid -be <<<'$h_date:' | sed -n 's/^> *//;/./p')" +%s) < EPOCHSECONDS )); then
+ if ip a show veth0-mail &>/dev/null; then
+ pid=$(pgrep -f "/usr/sbin/exim4 -bd -q30m -C /etc/exim4/my.conf"|head -n1);
+ nsenter -t $pid -n -m /usr/sbin/exim4 -C /etc/exim4/my.conf -M $mid
+ else
+ /usr/sbin/exim4 -M $mid
+ fi
+ fi
+ fi
+ done
+
+ if ((qlen)); then
+ qmsg="queue length $qlen"
+ chars+=("q $qlen")
+ fi
fi
case $HOSTNAME in
# No point in emailing about the mailq on a host where we don't
$MAIL_HOST)
p $qmsg | loday -120 qlen
;;
+ *)
+ rmg /home/iank/cron-errors/qlen*
+ ;;
esac
begin=false
+ # todo: make this robust to the case of /a not being mounted
if ! make -C /b/ds -q ~/.local/distro-begin 2>/dev/null || [[ $(<~/.local/distro-begin) != 0 ]]; then
begin=true
fi
elif $end; then
chars+=(DE)
else
+ source /a/bin/ds/script-files
f=~/.local/conflink
# shellcheck disable=SC2043
for _ in 1; do
if [[ -e $f ]]; then
- now=$(date +%s)
+ now=$EPOCHSECONDS
fsec=$(stat -c%Y $f)
# the / 60 makes it 0-59 seconds less strict, +1 to help make sure we
# dont have any false positives.
if grep -qxF $HOSTNAME $x; then all_dirs+=( ${x%.hosts} ); fi
done
+ script_files=("${my_service_scripts[@]}" "${my_bin_files[@]}" $my_lib_files)
+
# Just because i forget a lot, -mmin -NUM means files modified <= NUM minutes ago
- if (( fmin < 0 )) && [[ $(find ${all_dirs[@]} -mmin $fmin -type f -print -quit 2>/dev/null) ]]; then
+ if (( fmin < 0 )) && [[ $(find "${script_files[@]}" ${all_dirs[@]} -mmin $fmin -type f -print -quit 2>/dev/null) ]]; then
v conflink newer filesystem files
chars+=(CONFLINK)
break
# leave it up to epanic-clean to send email notification
fi
+ mprom=/var/lib/prometheus/node-exporter/mailtest-check.prom
+ if [[ -s $mprom ]]; then
+ if grep -qE 'mailtest_check_(unexpected|missing).*[^ ][^0]$' $mprom; then
+ chars+=("MTEST_SPAM")
+ fi
+ mtest_found=false
+ # shellcheck disable=SC2013 # these are words
+ for t in $(grep -E ^mailtest_check_last_usec $mprom | awk '{print $NF}'); do
+ if (( t + 60 * 20 < EPOCHSECONDS )); then
+ mtest_found=true
+ fi
+ done
+ if $mtest_found; then
+ chars+=("MTEST_AGE")
+ fi
+ fi
+
if [[ ! -e $status_file || -w $status_file ]]; then
if [[ -e /a/bin/bash_unpublished/source-state ]]; then
cat /a/bin/bash_unpublished/source-state >$status_file
fi
fi
}
+
+# This prevents me having to mute notifications when I'm going to bed.
+mute() {
+ local locked
+ export DISPLAY=:0
+ locked=false
+ if lock_info=$(xscreensaver-command -time); then
+ if [[ $lock_info != *non-blanked* ]]; then
+ locked=true
+ fi
+ else
+ locked=true
+ fi
+ midnight=$(date -d 00:00 +%s)
+ mdiff=$(( EPOCHSECONDS - midnight ))
+ if $locked && (( mdiff < 6 *60*60 || mdiff > 21 *60*60 )); then
+ case $(pactl get-sink-mute @DEFAULT_SINK@ | awk '{print $2}') in
+ no)
+ # for log purposes
+ echo muted
+ pactl set-sink-mute @DEFAULT_SINK@ true
+ ;;
+ esac
+ fi
+ if ! $locked && (( mdiff > 6 *60*60 || mdiff < 12 *60*60 )) && [[ ! -e /tmp/ianknap ]]; then
+ case $(pactl get-sink-mute @DEFAULT_SINK@ | awk '{print $2}') in
+ yes)
+ # for log purposes
+ echo unmuted
+ pactl set-sink-mute @DEFAULT_SINK@ false
+ ;;
+ esac
+ fi
+}
+
# use this if we want to do something just once per minute
first_chars=()
-
write-status
if [[ $1 ]]; then
cat $status_file
exit 0
fi
+loop_count=0
main-loop() {
while true; do
power=true
power=false
fi
wait=15
- if ! $power; then
+
+ if $power; then
+ if (( loop_count % 10 == 0 )); then
+ if [[ -r /sys/class/power_supply/BAT0/capacity ]]; then
+ bat=$(cat /sys/class/power_supply/BAT0/capacity)
+ else
+ bat=100
+ fi
+ case $bat in
+ 100|9?)
+ :
+ bitcoinon &
+ ;;
+ esac
+ fi
+ else
+ bitcoinoff
wait=60
fi
sleep $wait
write-status
+ mute
+ loop_count=$(( loop_count + 1 ))
done
}
iankelling.org / git / distro-setup / blobdiff