Fixes for watchdog!
andryyy
parent
e70d5b9206
commit
df5c79c3f1
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@ -7,13 +7,6 @@ PARENT_PID=$$
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# Prepare
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BACKGROUND_TASKS=()
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# Skip watchdog?
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if [[ "${USE_WATCHDOG}" =~ ^([nN][oO]|[nN])+$ ]]; then
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echo "Skipping watchdog, sleeping..."
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sleep 365d
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exit 0
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fi
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# Checks pipe their corresponding container name in this pipe
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if [[ ! -p /tmp/com_pipe ]]; then
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mkfifo /tmp/com_pipe
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@ -41,17 +34,30 @@ progress() {
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echo "(${DIFF})"
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}
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get_container_ip() {
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# ${1} is container
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CONTAINER_ID=
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CONTAINER_IP=
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until [[ ${CONTAINER_IP} =~ ^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]]; do
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sleep 1
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CONTAINER_ID=$(curl --silent --unix-socket /var/run/docker.sock http/containers/json?all=1 | jq -rc "map(select(.Names[] | contains (\"${1}\"))) | .[] .Id")
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CONTAINER_IP=$(curl --silent --unix-socket /var/run/docker.sock http/containers/${CONTAINER_ID}/json | jq -r '.NetworkSettings.Networks[].IPAddress')
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done
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echo ${CONTAINER_IP}
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}
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# Check functions
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nginx_checks() {
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err_count=0
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diff_c=0
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HOST_IP=$(get_container_ip nginx-mailcow)
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THRESHOLD=16
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# Reduce error count by 2 after restarting an unhealthy container
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trap "[ ${err_count} -gt 1 ] && err_count=$(( ${err_count} - 2 ))" USR1
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while [ ${err_count} -lt ${THRESHOLD} ]; do
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err_c_cur=${err_count}
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/usr/lib/nagios/plugins/check_ping -H nginx-mailcow -w 2000,10% -c 4000,100% -p2 1>&2; err_count=$(( ${err_count} + $? ))
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/usr/lib/nagios/plugins/check_http -H nginx-mailcow -u / -p 8081 1>&2; err_count=$(( ${err_count} + $? ))
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/usr/lib/nagios/plugins/check_ping -4 -H ${HOST_IP} -w 2000,10% -c 4000,100% -p2 1>&2; err_count=$(( ${err_count} + $? ))
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/usr/lib/nagios/plugins/check_http -4 -H ${HOST_IP} -u / -p 8081 1>&2; err_count=$(( ${err_count} + $? ))
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sleep $(( ( RANDOM % 30 ) + 10 ))
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[ ${err_c_cur} -eq ${err_count} ] && [ ! $((${err_count} - 1)) -lt 0 ] && err_count=$((${err_count} - 1)) diff_c=1
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[ ${err_c_cur} -ne ${err_count} ] && diff_c=$(( ${err_c_cur} - ${err_count} ))
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@ -63,13 +69,14 @@ nginx_checks() {
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mysql_checks() {
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err_count=0
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diff_c=0
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HOST_IP=$(get_container_ip mysql-mailcow)
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THRESHOLD=12
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# Reduce error count by 2 after restarting an unhealthy container
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trap "[ ${err_count} -gt 1 ] && err_count=$(( ${err_count} - 2 ))" USR1
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while [ ${err_count} -lt ${THRESHOLD} ]; do
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err_c_cur=${err_count}
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/usr/lib/nagios/plugins/check_mysql -H mysql-mailcow -P 3306 -u ${DBUSER} -p ${DBPASS} -d ${DBNAME} 1>&2; err_count=$(( ${err_count} + $? ))
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/usr/lib/nagios/plugins/check_mysql_query -H mysql-mailcow -P 3306 -u ${DBUSER} -p ${DBPASS} -d ${DBNAME} -q "SELECT COUNT(*) FROM information_schema.tables" 1>&2; err_count=$(( ${err_count} + $? ))
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/usr/lib/nagios/plugins/check_mysql -H ${HOST_IP} -P 3306 -u ${DBUSER} -p ${DBPASS} -d ${DBNAME} 1>&2; err_count=$(( ${err_count} + $? ))
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/usr/lib/nagios/plugins/check_mysql_query -H ${HOST_IP} -P 3306 -u ${DBUSER} -p ${DBPASS} -d ${DBNAME} -q "SELECT COUNT(*) FROM information_schema.tables" 1>&2; err_count=$(( ${err_count} + $? ))
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sleep $(( ( RANDOM % 30 ) + 10 ))
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[ ${err_c_cur} -eq ${err_count} ] && [ ! $((${err_count} - 1)) -lt 0 ] && err_count=$((${err_count} - 1)) diff_c=1
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[ ${err_c_cur} -ne ${err_count} ] && diff_c=$(( ${err_c_cur} - ${err_count} ))
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@ -81,15 +88,14 @@ mysql_checks() {
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sogo_checks() {
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err_count=0
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diff_c=0
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HOST_IP=$(get_container_ip sogo-mailcow)
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THRESHOLD=20
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# Reduce error count by 2 after restarting an unhealthy container
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trap "[ ${err_count} -gt 1 ] && err_count=$(( ${err_count} - 2 ))" USR1
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while [ ${err_count} -lt ${THRESHOLD} ]; do
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err_c_cur=${err_count}
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/usr/lib/nagios/plugins/check_http -H sogo-mailcow -u /WebServerResources/css/theme-default.css -p 9192 -R md-default-theme 1>&2; err_count=$(( ${err_count} + $? ))
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/usr/lib/nagios/plugins/check_http -H sogo-mailcow -u /SOGo.index/ -p 20000 -R "SOGo\sGroupware" 1>&2; err_count=$(( ${err_count} + $? ))
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/usr/lib/nagios/plugins/check_http -H nginx-mailcow -u /SOGo/ -p 443 --ssl -R "Bad Gateway" --invert-regex 1>&2; err_count=$(( ${err_count} + $? ))
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/usr/lib/nagios/plugins/check_http -H nginx-mailcow -u /SOGo/ -p 80 -R "Bad Gateway" --invert-regex 1>&2; err_count=$(( ${err_count} + $? ))
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/usr/lib/nagios/plugins/check_http -4 -H ${HOST_IP} -u /WebServerResources/css/theme-default.css -p 9192 -R md-default-theme 1>&2; err_count=$(( ${err_count} + $? ))
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/usr/lib/nagios/plugins/check_http -4 -H ${HOST_IP} -u /SOGo.index/ -p 20000 -R "SOGo\sGroupware" 1>&2; err_count=$(( ${err_count} + $? ))
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sleep $(( ( RANDOM % 30 ) + 10 ))
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[ ${err_c_cur} -eq ${err_count} ] && [ ! $((${err_count} - 1)) -lt 0 ] && err_count=$((${err_count} - 1)) diff_c=1
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[ ${err_c_cur} -ne ${err_count} ] && diff_c=$(( ${err_c_cur} - ${err_count} ))
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@ -101,14 +107,15 @@ sogo_checks() {
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postfix_checks() {
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err_count=0
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diff_c=0
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HOST_IP=$(get_container_ip postfix-mailcow)
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THRESHOLD=16
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# Reduce error count by 2 after restarting an unhealthy container
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trap "[ ${err_count} -gt 1 ] && err_count=$(( ${err_count} - 2 ))" USR1
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while [ ${err_count} -lt ${THRESHOLD} ]; do
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err_c_cur=${err_count}
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/usr/lib/nagios/plugins/check_smtp -H postfix-mailcow -p 25 1>&2; err_count=$(( ${err_count} + $? ))
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/usr/lib/nagios/plugins/check_smtp -H postfix-mailcow -p 588 -f watchdog -C "RCPT TO:null@localhost" -C DATA -C . -R 250 1>&2; err_count=$(( ${err_count} + $? ))
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/usr/lib/nagios/plugins/check_smtp -H postfix-mailcow -p 587 -S 1>&2; err_count=$(( ${err_count} + $? ))
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/usr/lib/nagios/plugins/check_smtp -4 -H ${HOST_IP} -p 25 1>&2; err_count=$(( ${err_count} + $? ))
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/usr/lib/nagios/plugins/check_smtp -4 -H ${HOST_IP} -p 588 -f watchdog -C "RCPT TO:null@localhost" -C DATA -C . -R 250 1>&2; err_count=$(( ${err_count} + $? ))
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/usr/lib/nagios/plugins/check_smtp -4 -H ${HOST_IP} -p 587 -S 1>&2; err_count=$(( ${err_count} + $? ))
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sleep $(( ( RANDOM % 30 ) + 10 ))
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[ ${err_c_cur} -eq ${err_count} ] && [ ! $((${err_count} - 1)) -lt 0 ] && err_count=$((${err_count} - 1)) diff_c=1
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[ ${err_c_cur} -ne ${err_count} ] && diff_c=$(( ${err_c_cur} - ${err_count} ))
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@ -120,16 +127,17 @@ postfix_checks() {
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dovecot_checks() {
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err_count=0
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diff_c=0
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HOST_IP=$(get_container_ip dovecot-mailcow)
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THRESHOLD=24
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# Reduce error count by 2 after restarting an unhealthy container
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trap "[ ${err_count} -gt 1 ] && err_count=$(( ${err_count} - 2 ))" USR1
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while [ ${err_count} -lt ${THRESHOLD} ]; do
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err_c_cur=${err_count}
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/usr/lib/nagios/plugins/check_smtp -H dovecot-mailcow -p 24 -f "watchdog" -C "RCPT TO:<watchdog@invalid>" -L -R "User doesn't exist" 1>&2; err_count=$(( ${err_count} + $? ))
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/usr/lib/nagios/plugins/check_imap -H dovecot-mailcow -p 993 -S -e "OK " 1>&2; err_count=$(( ${err_count} + $? ))
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/usr/lib/nagios/plugins/check_imap -H dovecot-mailcow -p 143 -e "OK " 1>&2; err_count=$(( ${err_count} + $? ))
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/usr/lib/nagios/plugins/check_tcp -H dovecot-mailcow -p 10001 -e "VERSION" 1>&2; err_count=$(( ${err_count} + $? ))
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/usr/lib/nagios/plugins/check_tcp -H dovecot-mailcow -p 4190 -e "Dovecot ready" 1>&2; err_count=$(( ${err_count} + $? ))
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/usr/lib/nagios/plugins/check_smtp -4 -H ${HOST_IP} -p 24 -f "watchdog" -C "RCPT TO:<watchdog@invalid>" -L -R "User doesn't exist" 1>&2; err_count=$(( ${err_count} + $? ))
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/usr/lib/nagios/plugins/check_imap -4 -H ${HOST_IP} -p 993 -S -e "OK " 1>&2; err_count=$(( ${err_count} + $? ))
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/usr/lib/nagios/plugins/check_imap -4 -H ${HOST_IP} -p 143 -e "OK " 1>&2; err_count=$(( ${err_count} + $? ))
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/usr/lib/nagios/plugins/check_tcp -4 -H ${HOST_IP} -p 10001 -e "VERSION" 1>&2; err_count=$(( ${err_count} + $? ))
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/usr/lib/nagios/plugins/check_tcp -4 -H ${HOST_IP} -p 4190 -e "Dovecot ready" 1>&2; err_count=$(( ${err_count} + $? ))
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sleep $(( ( RANDOM % 30 ) + 10 ))
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[ ${err_c_cur} -eq ${err_count} ] && [ ! $((${err_count} - 1)) -lt 0 ] && err_count=$((${err_count} - 1)) diff_c=1
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[ ${err_c_cur} -ne ${err_count} ] && diff_c=$(( ${err_c_cur} - ${err_count} ))
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@ -141,14 +149,14 @@ dovecot_checks() {
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phpfpm_checks() {
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err_count=0
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diff_c=0
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HOST_IP=$(get_container_ip php-fpm-mailcow)
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THRESHOLD=12
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# Reduce error count by 2 after restarting an unhealthy container
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trap "[ ${err_count} -gt 1 ] && err_count=$(( ${err_count} - 2 ))" USR1
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while [ ${err_count} -lt ${THRESHOLD} ]; do
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err_c_cur=${err_count}
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cgi-fcgi -bind -connect php-fpm-mailcow:9000 | grep PHP 1>&2; err_count=$(( ${err_count} + ($? * 2)))
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/usr/lib/nagios/plugins/check_ping -H php-fpm-mailcow -w 2000,10% -c 4000,100% -p2 1>&2; err_count=$(( ${err_count} + $? ))
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/usr/lib/nagios/plugins/check_http -H nginx-mailcow -u /settings.php -p 8081 -r "settings \{" 1>&2; err_count=$(( ${err_count} + ($? * 2)))
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cgi-fcgi -bind -connect ${HOST_IP}:9000 | grep PHP 1>&2; err_count=$(( ${err_count} + ($? * 2)))
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/usr/lib/nagios/plugins/check_ping -4 -H ${HOST_IP} -w 2000,10% -c 4000,100% -p2 1>&2; err_count=$(( ${err_count} + $? ))
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sleep $(( ( RANDOM % 30 ) + 10 ))
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[ ${err_c_cur} -eq ${err_count} ] && [ ! $((${err_count} - 1)) -lt 0 ] && err_count=$((${err_count} - 1)) diff_c=1
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[ ${err_c_cur} -ne ${err_count} ] && diff_c=$(( ${err_c_cur} - ${err_count} ))
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@ -160,15 +168,15 @@ phpfpm_checks() {
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dns_checks() {
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err_count=0
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diff_c=0
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HOST_IP=$(get_container_ip unbound-mailcow)
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THRESHOLD=28
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# Reduce error count by 2 after restarting an unhealthy container
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trap "[ ${err_count} -gt 1 ] && err_count=$(( ${err_count} - 2 ))" USR1
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while [ ${err_count} -lt ${THRESHOLD} ]; do
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err_c_cur=${err_count}
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/usr/lib/nagios/plugins/check_dns -H google.com 1>&2; err_count=$(( ${err_count} + ($? * 2)))
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/usr/lib/nagios/plugins/check_dns -s $(dig unbound-mailcow +short A) -H google.com 1>&2; err_count=$(( ${err_count} + ($? * 2)))
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/usr/lib/nagios/plugins/check_dns -s $(dig unbound-mailcow +short AAAA) -H google.com 1>&2; err_count=$(( ${err_count} + ($? * 2)))
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dig +dnssec org. @172.22.1.254 | grep -E 'flags:.+ad' 1>&2; err_count=$(( ${err_count} + ($? * 2)))
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/usr/lib/nagios/plugins/check_dns -s ${HOST_IP} -H google.com 1>&2; err_count=$(( ${err_count} + ($? * 2)))
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dig +dnssec org. @${HOST_IP} | grep -E 'flags:.+ad' 1>&2; err_count=$(( ${err_count} + ($? * 2)))
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sleep $(( ( RANDOM % 30 ) + 10 ))
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[ ${err_c_cur} -eq ${err_count} ] && [ ! $((${err_count} - 1)) -lt 0 ] && err_count=$((${err_count} - 1)) diff_c=1
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[ ${err_c_cur} -ne ${err_count} ] && diff_c=$(( ${err_c_cur} - ${err_count} ))
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@ -242,7 +250,7 @@ BACKGROUND_TASKS+=($!)
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while true; do
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if ! dns_checks; then
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echo -e "\e[31m$(date) - Unbound hit error limit\e[0m"
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echo unbound-mailcow > /tmp/com_pipe
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#echo unbound-mailcow > /tmp/com_pipe
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fi
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done
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) &
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@ -279,3 +287,4 @@ while true; do
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kill -USR1 ${BACKGROUND_TASKS[*]}
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fi
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done
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