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bkctld-check: add overrides for "per jail" thresholds

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Putting values for CRITICAL/WARNING in <JAIL_DIR>/etc/bkctld-check
overrides the values for this specific jail.
Setting to a value <=0 disables the threshold.
This commit is contained in:
Jérémy Lecour 2020-04-01 07:27:17 +02:00 committed by Jérémy Lecour
parent 0b5164b91c
commit 6cf49b2a8b
1 changed files with 26 additions and 5 deletions
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31
lib/bkctld-check
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@ -14,6 +14,9 @@ nb_ok=0
nb_unkn=0
output=""
DEFAULT_CRITICAL="${CRITICAL}"
DEFAULT_WARNING="${WARNING}"
if [ -b "${BACKUP_DISK}" ]; then
cryptsetup isLuks "${BACKUP_DISK}"
if [ "$?" -eq 0 ]; then
@ -39,17 +42,35 @@ check_jail() {
last_conn=$(stat --format=%Y "${JAILDIR}/${jail}/var/log/lastlog")
date_diff=$(( (cur_time - last_conn) / (60*60) ))
if [ "${date_diff}" -gt "${CRITICAL}" ]; then
check_file="${JAILDIR}/${jail}/etc/bkctld-check"
if [ -f "${check_file}" ]; then
critical_pattern="^\s*CRITICAL=[0-9]+"
if grep -E "${critical_pattern}" "${check_file}"; then
# shellcheck disable=SC2091
CRITICAL=$(grep -E "${critical_pattern}" "${check_file}" | cut -d= -f2)
else
CRITICAL="${DEFAULT_CRITICAL}"
fi
warning_pattern="^\s*WARNING=[0-9]+"
if grep -E "${warning_pattern}" "${check_file}"; then
# shellcheck disable=SC2091
WARNING=$(grep -E "${warning_pattern}" "${check_file}" | cut -d= -f2)
else
WARNING="${DEFAULT_WARNING}"
fi
fi
if [ "${CRITICAL}" -gt "0" ] && [ "${date_diff}" -gt "${CRITICAL}" ]; then
nb_crit=$((nb_crit + 1))
output="${output}CRITICAL - ${jail} - ${date_diff} hours\n"
output="${output}CRITICAL - ${jail} - ${date_diff} hours (critical: ${CRITICAL})\n"
[ "${return}" -le 2 ] && return=2
elif [ "${date_diff}" -gt "${WARNING}" ]; then
elif [ "${WARNING}" -gt "0" ] && [ "${date_diff}" -gt "${WARNING}" ]; then
nb_warn=$((nb_warn + 1))
output="${output}WARNING - ${jail} - ${date_diff} hours\n"
output="${output}WARNING - ${jail} - ${date_diff} hours (warning: ${WARNING})\n"
[ "${return}" -le 1 ] && return=1
else
nb_ok=$((nb_ok + 1))
output="${output}OK - ${jail} - ${date_diff} hours\n"
output="${output}OK - ${jail} - ${date_diff} hours (critical: ${CRITICAL}, warning: ${WARNING})\n"
fi
}