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better docs, email logs from all error runs
[log-quiet]
/
sysd-mail-once
diff --git
a/sysd-mail-once
b/sysd-mail-once
index ccaee0a35de46ed9b33f7fde7bb329cad8e5d1d7..a7840aad763463c93d5cb960b7c94092c00015f7 100755
(executable)
--- a/
sysd-mail-once
+++ b/
sysd-mail-once
@@
-22,13
+22,17
@@
cbase=/var/local/cron-errors
case "$1" in
-h|--help)
cat <<EOF
case "$1" in
-h|--help)
cat <<EOF
-Usage: sysd-log-once [-ERRORS] SERVICE COMMAND
+Usage: sysd-log-once [-ERRORS] SERVICE COMMAND [ARGS...]
+For systemd timers, email on repeated failure & success after failure.
-Use to wrap systemd timers and to email on repeated failure & success after failure
+In the service triggered by the timer, prepend this script to the ExecStart.
+The email will contain the service's logs for the last ERRORS runs.
-Stores error counts in $c\$error_count
--ERRORS: ERRORS is the number of failurs to accumulate before mailing the error
+Stores error counts in $cbase
+
+-ERRORS: ERRORS is the number of failurs to accumulate before mailing the error.
+ Default is 3.
EOF
exit 0
;;
EOF
exit 0
;;
@@
-47,7
+51,9
@@
arr=($glob); file="${arr[0]}"; [[ $glob != "$file" ]] || file=
u=${USER:-root}
[[ -d $cbase ]] || mkdir -p $cbase
u=${USER:-root}
[[ -d $cbase ]] || mkdir -p $cbase
-cursor=$(journalctl --show-cursor -qn0|sed 's/^\s*--\scursor:\s*//')
+if [[ ! $file ]]; then
+ cursor=$(journalctl --show-cursor -qn0|sed 's/^\s*--\scursor:\s*//')
+fi
if "$@"; then
if [[ $file ]]; then
rm -f $file
if "$@"; then
if [[ $file ]]; then
rm -f $file
@@
-63,12
+69,12
@@
else
mv $file $new_file
file=$new_file
if [[ $file == $c$errors ]]; then
mv $file $new_file
file=$new_file
if [[ $file == $c$errors ]]; then
- journalctl -u $service.service --after-cursor=$
cursor
| \
+ journalctl -u $service.service --after-cursor=$
(<$file)
| \
mail -s "$HOSTNAME: $service failure" $u@localhost
fi
fi
else
file=${c}1
mail -s "$HOSTNAME: $service failure" $u@localhost
fi
fi
else
file=${c}1
-
touch
$file
+
printf "%s\n" "$cursor" >
$file
fi
fi
fi
fi