From f511cb0f6341cb7f402d615fc5645af3c9fb7fa2 Mon Sep 17 00:00:00 2001 From: andryyy Date: Wed, 20 Sep 2017 23:24:56 +0200 Subject: [PATCH] [Watchdog] More fixes and or changes --- data/Dockerfiles/watchdog/Dockerfile | 1 + data/Dockerfiles/watchdog/watchdog.sh | 85 +++++++++++++-------------- 2 files changed, 41 insertions(+), 45 deletions(-) mode change 100755 => 100644 data/Dockerfiles/watchdog/watchdog.sh diff --git a/data/Dockerfiles/watchdog/Dockerfile b/data/Dockerfiles/watchdog/Dockerfile index b6d52fe9..945f3929 100644 --- a/data/Dockerfiles/watchdog/Dockerfile +++ b/data/Dockerfiles/watchdog/Dockerfile @@ -14,6 +14,7 @@ RUN apk add --update \ fcgi \ nagios-plugins-mysql \ nagios-plugins-dns \ + nagios-plugins-disk \ bind-tools COPY watchdog.sh /watchdog.sh diff --git a/data/Dockerfiles/watchdog/watchdog.sh b/data/Dockerfiles/watchdog/watchdog.sh old mode 100755 new mode 100644 index 917553ba..77ea1a4d --- a/data/Dockerfiles/watchdog/watchdog.sh +++ b/data/Dockerfiles/watchdog/watchdog.sh @@ -22,15 +22,9 @@ progress() { [[ -z ${TOTAL} || -z ${CURRENT} ]] && return [[ ${CURRENT} -gt ${TOTAL} ]] && return [[ ${CURRENT} -lt 0 ]] && CURRENT=0 - percent=$(( 200 * ${CURRENT} / ${TOTAL} % 2 + 100 * ${CURRENT} / ${TOTAL} )) - completed=$(( ${percent} / 2 )) - remaining=$(( 50 - ${completed} )) - echo -ne "$(date) Health level: " - echo -n "[" - printf "%0.s>" $(seq ${completed}) - [[ ${remaining} != 0 ]] && printf "%0.s." $(seq ${remaining}) - echo -en "] ${percent}% - Service: ${SERVICE}, health trend: " - [[ ${DIFF} =~ ^-[1-9] ]] && echo -en "\e[31mnegative \e[0m" || echo -en "\e[32mpositive \e[0m" + PERCENT=$(( 200 * ${CURRENT} / ${TOTAL} % 2 + 100 * ${CURRENT} / ${TOTAL} )) + echo -ne "$(date) - ${SERVICE} health level: \e[7m${PERCENT}%\e[0m (${CURRENT}/${TOTAL}), health trend: " + [[ ${DIFF} =~ ^-[1-9] ]] && echo -en '[\e[41m \e[0m] ' || echo -en '[\e[42m \e[0m] ' echo "(${DIFF})" } @@ -38,30 +32,32 @@ get_container_ip() { # ${1} is container CONTAINER_ID= CONTAINER_IP= - until [[ ${CONTAINER_IP} =~ ^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]]; do + LOOP_C=1 + until [[ ${CONTAINER_IP} =~ ^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]] || [[ ${LOOP_C} -gt 5 ]]; do sleep 1 CONTAINER_ID=$(curl --silent --unix-socket /var/run/docker.sock http/containers/json?all=1 | jq -rc "map(select(.Names[] | contains (\"${1}\"))) | .[] .Id") CONTAINER_IP=$(curl --silent --unix-socket /var/run/docker.sock http/containers/${CONTAINER_ID}/json | jq -r '.NetworkSettings.Networks[].IPAddress') + LOOP_C=$((LOOP_C + 1)) done - echo ${CONTAINER_IP} + [[ ${LOOP_C} -gt 5 ]] && echo 240.0.0.0 || echo ${CONTAINER_IP} } # Check functions nginx_checks() { err_count=0 diff_c=0 - HOST_IP=$(get_container_ip nginx-mailcow) THRESHOLD=16 # 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 ${THRESHOLD} ]; do + host_ip=$(get_container_ip nginx-mailcow) err_c_cur=${err_count} - /usr/lib/nagios/plugins/check_ping -4 -H ${HOST_IP} -w 2000,10% -c 4000,100% -p2 1>&2; err_count=$(( ${err_count} + $? )) - /usr/lib/nagios/plugins/check_http -4 -H ${HOST_IP} -u / -p 8081 1>&2; err_count=$(( ${err_count} + $? )) - sleep $(( ( RANDOM % 30 ) + 10 )) + /usr/lib/nagios/plugins/check_ping -4 -H ${host_ip} -w 2000,10% -c 4000,100% -p2 1>&2; err_count=$(( ${err_count} + $? )) + /usr/lib/nagios/plugins/check_http -4 -H ${host_ip} -u / -p 8081 1>&2; err_count=$(( ${err_count} + $? )) [ ${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 "Nginx" ${THRESHOLD} $(( ${THRESHOLD} - ${err_count} )) ${diff_c} + sleep $(( ( RANDOM % 30 ) + 10 )) done return 1 } @@ -69,18 +65,18 @@ nginx_checks() { mysql_checks() { err_count=0 diff_c=0 - HOST_IP=$(get_container_ip mysql-mailcow) THRESHOLD=12 # 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 ${THRESHOLD} ]; do + host_ip=$(get_container_ip mysql-mailcow) err_c_cur=${err_count} - /usr/lib/nagios/plugins/check_mysql -H ${HOST_IP} -P 3306 -u ${DBUSER} -p ${DBPASS} -d ${DBNAME} 1>&2; err_count=$(( ${err_count} + $? )) - /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} + $? )) - sleep $(( ( RANDOM % 30 ) + 10 )) + /usr/lib/nagios/plugins/check_mysql -H ${host_ip} -P 3306 -u ${DBUSER} -p ${DBPASS} -d ${DBNAME} 1>&2; err_count=$(( ${err_count} + $? )) + /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} + $? )) [ ${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 "MySQL/MariaDB" ${THRESHOLD} $(( ${THRESHOLD} - ${err_count} )) ${diff_c} + sleep $(( ( RANDOM % 30 ) + 10 )) done return 1 } @@ -88,18 +84,18 @@ mysql_checks() { sogo_checks() { err_count=0 diff_c=0 - HOST_IP=$(get_container_ip sogo-mailcow) THRESHOLD=20 # 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 ${THRESHOLD} ]; do + host_ip=$(get_container_ip sogo-mailcow) err_c_cur=${err_count} - /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} + $? )) - /usr/lib/nagios/plugins/check_http -4 -H ${HOST_IP} -u /SOGo.index/ -p 20000 -R "SOGo\sGroupware" 1>&2; err_count=$(( ${err_count} + $? )) - sleep $(( ( RANDOM % 30 ) + 10 )) + /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} + $? )) + /usr/lib/nagios/plugins/check_http -4 -H ${host_ip} -u /SOGo.index/ -p 20000 -R "SOGo\sGroupware" 1>&2; err_count=$(( ${err_count} + $? )) [ ${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 "SOGo" ${THRESHOLD} $(( ${THRESHOLD} - ${err_count} )) ${diff_c} + sleep $(( ( RANDOM % 30 ) + 10 )) done return 1 } @@ -107,19 +103,19 @@ sogo_checks() { postfix_checks() { err_count=0 diff_c=0 - HOST_IP=$(get_container_ip postfix-mailcow) THRESHOLD=16 # 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 ${THRESHOLD} ]; do + host_ip=$(get_container_ip postfix-mailcow) err_c_cur=${err_count} - /usr/lib/nagios/plugins/check_smtp -4 -H ${HOST_IP} -p 25 1>&2; err_count=$(( ${err_count} + $? )) - /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} + $? )) - /usr/lib/nagios/plugins/check_smtp -4 -H ${HOST_IP} -p 587 -S 1>&2; err_count=$(( ${err_count} + $? )) - sleep $(( ( RANDOM % 30 ) + 10 )) + /usr/lib/nagios/plugins/check_smtp -4 -H ${host_ip} -p 25 1>&2; err_count=$(( ${err_count} + $? )) + /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} + $? )) + /usr/lib/nagios/plugins/check_smtp -4 -H ${host_ip} -p 587 -S 1>&2; err_count=$(( ${err_count} + $? )) [ ${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 "Postfix" ${THRESHOLD} $(( ${THRESHOLD} - ${err_count} )) ${diff_c} + sleep $(( ( RANDOM % 30 ) + 10 )) done return 1 } @@ -127,21 +123,21 @@ postfix_checks() { dovecot_checks() { err_count=0 diff_c=0 - HOST_IP=$(get_container_ip dovecot-mailcow) THRESHOLD=24 # 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 ${THRESHOLD} ]; do + host_ip=$(get_container_ip dovecot-mailcow) err_c_cur=${err_count} - /usr/lib/nagios/plugins/check_smtp -4 -H ${HOST_IP} -p 24 -f "watchdog" -C "RCPT TO:" -L -R "User doesn't exist" 1>&2; err_count=$(( ${err_count} + $? )) - /usr/lib/nagios/plugins/check_imap -4 -H ${HOST_IP} -p 993 -S -e "OK " 1>&2; err_count=$(( ${err_count} + $? )) - /usr/lib/nagios/plugins/check_imap -4 -H ${HOST_IP} -p 143 -e "OK " 1>&2; err_count=$(( ${err_count} + $? )) - /usr/lib/nagios/plugins/check_tcp -4 -H ${HOST_IP} -p 10001 -e "VERSION" 1>&2; err_count=$(( ${err_count} + $? )) - /usr/lib/nagios/plugins/check_tcp -4 -H ${HOST_IP} -p 4190 -e "Dovecot ready" 1>&2; err_count=$(( ${err_count} + $? )) - sleep $(( ( RANDOM % 30 ) + 10 )) + /usr/lib/nagios/plugins/check_smtp -4 -H ${host_ip} -p 24 -f "watchdog" -C "RCPT TO:" -L -R "User doesn't exist" 1>&2; err_count=$(( ${err_count} + $? )) + /usr/lib/nagios/plugins/check_imap -4 -H ${host_ip} -p 993 -S -e "OK " 1>&2; err_count=$(( ${err_count} + $? )) + /usr/lib/nagios/plugins/check_imap -4 -H ${host_ip} -p 143 -e "OK " 1>&2; err_count=$(( ${err_count} + $? )) + /usr/lib/nagios/plugins/check_tcp -4 -H ${host_ip} -p 10001 -e "VERSION" 1>&2; err_count=$(( ${err_count} + $? )) + /usr/lib/nagios/plugins/check_tcp -4 -H ${host_ip} -p 4190 -e "Dovecot ready" 1>&2; err_count=$(( ${err_count} + $? )) [ ${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 "Dovecot" ${THRESHOLD} $(( ${THRESHOLD} - ${err_count} )) ${diff_c} + sleep $(( ( RANDOM % 30 ) + 10 )) done return 1 } @@ -149,18 +145,18 @@ dovecot_checks() { phpfpm_checks() { err_count=0 diff_c=0 - HOST_IP=$(get_container_ip php-fpm-mailcow) - THRESHOLD=12 + THRESHOLD=10 # 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 ${THRESHOLD} ]; do + host_ip=$(get_container_ip php-fpm-mailcow) err_c_cur=${err_count} - cgi-fcgi -bind -connect ${HOST_IP}:9000 | grep PHP 1>&2; err_count=$(( ${err_count} + ($? * 2))) - /usr/lib/nagios/plugins/check_ping -4 -H ${HOST_IP} -w 2000,10% -c 4000,100% -p2 1>&2; err_count=$(( ${err_count} + $? )) - sleep $(( ( RANDOM % 30 ) + 10 )) + cgi-fcgi -bind -connect ${host_ip}:9000 | grep PHP 1>&2; err_count=$(( ${err_count} + ($? * 2))) + /usr/lib/nagios/plugins/check_ping -4 -H ${host_ip} -w 2000,10% -c 4000,100% -p2 1>&2; err_count=$(( ${err_count} + $? )) [ ${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 "PHP-FPM" ${THRESHOLD} $(( ${THRESHOLD} - ${err_count} )) ${diff_c} + sleep $(( ( RANDOM % 30 ) + 10 )) done return 1 } @@ -168,19 +164,19 @@ phpfpm_checks() { dns_checks() { err_count=0 diff_c=0 - HOST_IP=$(get_container_ip unbound-mailcow) THRESHOLD=28 # 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 ${THRESHOLD} ]; do + host_ip=$(get_container_ip unbound-mailcow) err_c_cur=${err_count} /usr/lib/nagios/plugins/check_dns -H google.com 1>&2; err_count=$(( ${err_count} + ($? * 2))) - /usr/lib/nagios/plugins/check_dns -s ${HOST_IP} -H google.com 1>&2; err_count=$(( ${err_count} + ($? * 2))) - dig +dnssec org. @${HOST_IP} | grep -E 'flags:.+ad' 1>&2; err_count=$(( ${err_count} + ($? * 2))) - sleep $(( ( RANDOM % 30 ) + 10 )) + /usr/lib/nagios/plugins/check_dns -s ${host_ip} -H google.com 1>&2; err_count=$(( ${err_count} + ($? * 2))) + dig +dnssec org. @${host_ip} | grep -E 'flags:.+ad' 1>&2; err_count=$(( ${err_count} + ($? * 2))) [ ${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 "Unbound" ${THRESHOLD} $(( ${THRESHOLD} - ${err_count} )) ${diff_c} + sleep $(( ( RANDOM % 30 ) + 10 )) done return 1 } @@ -287,4 +283,3 @@ while true; do kill -USR1 ${BACKGROUND_TASKS[*]} fi done -