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| author | Simon Rettberg | 2016-10-13 12:49:17 +0200 |
|---|---|---|
| committer | Simon Rettberg | 2016-10-13 12:49:17 +0200 |
| commit | 6f5e3b10421e7f7fcee2aa4d628ce5f8a8076831 (patch) | |
| tree | 2c376ea0b4c3922e777282724cbc4f0100b58453 | |
| parent | [rootfs/hwstats] Use 66% RAM as /tmp tmpfs instead of 60G so we can detect an... (diff) | |
| download | tm-scripts-6f5e3b10421e7f7fcee2aa4d628ce5f8a8076831.tar.gz tm-scripts-6f5e3b10421e7f7fcee2aa4d628ce5f8a8076831.tar.xz tm-scripts-6f5e3b10421e7f7fcee2aa4d628ce5f8a8076831.zip | |
[hardware-stats] Try to display a warning to active users when running out of tmp/swap
| -rwxr-xr-x | remote/modules/hardware-stats/data/opt/openslx/scripts/cron-system_usage_update | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/remote/modules/hardware-stats/data/opt/openslx/scripts/cron-system_usage_update b/remote/modules/hardware-stats/data/opt/openslx/scripts/cron-system_usage_update index ff5adc70..38f1deb9 100755 --- a/remote/modules/hardware-stats/data/opt/openslx/scripts/cron-system_usage_update +++ b/remote/modules/hardware-stats/data/opt/openslx/scripts/cron-system_usage_update @@ -31,3 +31,55 @@ curl -s --data-urlencode "type=~runstate" --data-urlencode "uuid=$UUID" --data-u --data-urlencode "user=$Name" --data-urlencode "tmpsize=$TMP_SIZE" --data-urlencode "tmpfree=$TMP_FREE" \ --data-urlencode "swapfree=$SWAP_FREE" "$SLX_REMOTE_LOG" > /dev/null 2>&1 +# Warn user if tmp or swap usage is high; system might crash soon +WARN= +if [ "$SWAP_FREE" -gt 0 ] && [ "$SWAP_FREE" -lt 500000 ]; then # less than 500MB swap + WARN="$WARN +Der Arbeitsspeicher des Computers ist fast voll. +The computer is running out of RAM." +fi +if [ "$TMP_FREE" -lt 500000 ]; then + WARN="$WARN +Es verbleibt wenig temporärer Speicher für die Arbeitsdaten der laufenden VM. +Little temporary storage is left for the current VM." +fi + +if [ -n "$WARN" ]; then + WARN="$WARN + +Bitte sichern Sie Ihre Arbeit und starten Sie den PC neu. +Please save your work and reboot this machine. + +Sie können einen bwLehrpool-Admin bitten, eine größere ID-44-Partition einzurichten. +You could ask a bwLehrpool administrator to create a larger ID-44 partition." + for d in $(who | awk '{print $2}' | sort -u); do + if [ "${d:0:1}" = ":" ]; then + # X11 + export DISPLAY=$d + export XAUTHORITY=$(ps a | grep " $DISPLAY " | grep -o -- '-auth.*$' | grep -m1 -v grep | awk '{print $2}') + notify-send -u critical "System instabil" "$WARN" + unset DISPLAY XAUTHORITY + elif [ "${d:0:3}" = "tty" ]; then + # Regular tty + cat > "/dev/$d" <<EOF + * + *************************** + $WARN + *************************** + * +EOF + elif [ "${d:0:3}" = "pts" ]; then + # pts - xterm or ssh session + cat > "/dev/pts/${d:3}" <<EOF + * + *************************** + $WARN + *************************** + * +EOF + fi + done +fi + +exit 0 + |