[Watchdog] Alert when ratelimit log changed (does NOT send one mail per triggered ratelimit)

master
andryyy 2018-12-15 21:21:22 +01:00
parent 468e3dbe12
commit 6f1ec5acbf
1 changed files with 41 additions and 1 deletions

View File

@ -322,6 +322,34 @@ phpfpm_checks() {
return 1
}
ratelimit_checks() {
err_count=0
diff_c=0
THRESHOLD=1
RL_LOG_STATUS=$(redis-cli -h redis LRANGE RL_LOG 0 0 | jq .qid)
# Reduce error count by 2 after restarting an unhealthy container
trap "[ ${err_count} -gt 1 ] && err_count=$(( ${err_count} - 2 ))" USR1
while [ ${err_count} -lt ${THRESHOLD} ]; do
err_c_cur=${err_count}
RL_LOG_STATUS_PREV=${RL_LOG_STATUS}
RL_LOG_STATUS=$(redis-cli -h redis LRANGE RL_LOG 0 0 | jq .qid)
if [[ ${RL_LOG_STATUS_PREV} != ${RL_LOG_STATUS} ]]; then
err_count=$(( ${err_count} + 1 ))
fi
[ ${err_c_cur} -eq ${err_count} ] && [ ! $((${err_count} - 1)) -lt 0 ] && err_count=$((${err_count} - 1)) diff_c=1
[ ${err_c_cur} -ne ${err_count} ] && diff_c=$(( ${err_c_cur} - ${err_count} ))
progress "Ratelimit" ${THRESHOLD} $(( ${THRESHOLD} - ${err_count} )) ${diff_c}
if [[ $? == 10 ]]; then
diff_c=0
sleep 1
else
diff_c=0
sleep $(( ( RANDOM % 30 ) + 10 ))
fi
done
return 1
}
rspamd_checks() {
err_count=0
diff_c=0
@ -448,6 +476,15 @@ done
) &
BACKGROUND_TASKS+=($!)
(
while true; do
if ! ratelimit_checks; then
log_msg "Ratelimit hit error limit"
echo ratelimit > /tmp/com_pipe
fi
done
) &
BACKGROUND_TASKS+=($!)
# Monitor watchdog agents, stop script when agents fails and wait for respawn by Docker (restart:always:n)
(
while true; do
@ -482,7 +519,10 @@ while true; do
CONTAINER_ID=
HAS_INITDB=
read com_pipe_answer </tmp/com_pipe
if [[ ${com_pipe_answer} =~ .+-mailcow ]]; then
if [[ ${com_pipe_answer} == "ratelimit" ]]; then
log_msg "At least one ratelimit was applied"
[[ ! -z ${WATCHDOG_NOTIFY_EMAIL} ]] && mail_error "${com_pipe_answer}" "No further information available."
elif [[ ${com_pipe_answer} =~ .+-mailcow ]]; then
kill -STOP ${BACKGROUND_TASKS[*]}
sleep 3
CONTAINER_ID=$(curl --silent --insecure https://dockerapi/containers/json | jq -r ".[] | {name: .Config.Labels[\"com.docker.compose.service\"], id: .Id}" | jq -rc "select( .name | tostring | contains(\"${com_pipe_answer}\")) | .id")