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Fixes for watchdog!

master
andryyy 2017-09-20 12:27:24 +02:00
parent e70d5b9206
commit df5c79c3f1
1 changed files with 39 additions and 30 deletions
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69
data/Dockerfiles/watchdog/watchdog.sh
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@ -7,13 +7,6 @@ PARENT_PID=$$
# Prepare # Prepare
BACKGROUND_TASKS=() BACKGROUND_TASKS=()
# Skip watchdog?
if [[ "${USE_WATCHDOG}" =~ ^([nN][oO]|[nN])+$ ]]; then
echo "Skipping watchdog, sleeping..."
sleep 365d
exit 0
fi
# Checks pipe their corresponding container name in this pipe # Checks pipe their corresponding container name in this pipe
if [[ ! -p /tmp/com_pipe ]]; then if [[ ! -p /tmp/com_pipe ]]; then
mkfifo /tmp/com_pipe mkfifo /tmp/com_pipe
@ -41,17 +34,30 @@ progress() {
echo "(${DIFF})" echo "(${DIFF})"
} }
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
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')
done
echo ${CONTAINER_IP}
}
# Check functions # Check functions
nginx_checks() { nginx_checks() {
err_count=0 err_count=0
diff_c=0 diff_c=0
HOST_IP=$(get_container_ip nginx-mailcow)
THRESHOLD=16 THRESHOLD=16
# Reduce error count by 2 after restarting an unhealthy container # Reduce error count by 2 after restarting an unhealthy container
trap "[ ${err_count} -gt 1 ] && err_count=$(( ${err_count} - 2 ))" USR1 trap "[ ${err_count} -gt 1 ] && err_count=$(( ${err_count} - 2 ))" USR1
while [ ${err_count} -lt ${THRESHOLD} ]; do while [ ${err_count} -lt ${THRESHOLD} ]; do
err_c_cur=${err_count} err_c_cur=${err_count}
/usr/lib/nagios/plugins/check_ping -H nginx-mailcow -w 2000,10% -c 4000,100% -p2 1>&2; err_count=$(( ${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} + $? ))
/usr/lib/nagios/plugins/check_http -H nginx-mailcow -u / -p 8081 1>&2; err_count=$(( ${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 )) sleep $(( ( RANDOM % 30 ) + 10 ))
[ ${err_c_cur} -eq ${err_count} ] && [ ! $((${err_count} - 1)) -lt 0 ] && err_count=$((${err_count} - 1)) diff_c=1 [ ${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} )) [ ${err_c_cur} -ne ${err_count} ] && diff_c=$(( ${err_c_cur} - ${err_count} ))
@ -63,13 +69,14 @@ nginx_checks() {
mysql_checks() { mysql_checks() {
err_count=0 err_count=0
diff_c=0 diff_c=0
HOST_IP=$(get_container_ip mysql-mailcow)
THRESHOLD=12 THRESHOLD=12
# Reduce error count by 2 after restarting an unhealthy container # Reduce error count by 2 after restarting an unhealthy container
trap "[ ${err_count} -gt 1 ] && err_count=$(( ${err_count} - 2 ))" USR1 trap "[ ${err_count} -gt 1 ] && err_count=$(( ${err_count} - 2 ))" USR1
while [ ${err_count} -lt ${THRESHOLD} ]; do while [ ${err_count} -lt ${THRESHOLD} ]; do
err_c_cur=${err_count} err_c_cur=${err_count}
/usr/lib/nagios/plugins/check_mysql -H mysql-mailcow -P 3306 -u ${DBUSER} -p ${DBPASS} -d ${DBNAME} 1>&2; err_count=$(( ${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 mysql-mailcow -P 3306 -u ${DBUSER} -p ${DBPASS} -d ${DBNAME} -q "SELECT COUNT(*) FROM information_schema.tables" 1>&2; err_count=$(( ${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 )) sleep $(( ( RANDOM % 30 ) + 10 ))
[ ${err_c_cur} -eq ${err_count} ] && [ ! $((${err_count} - 1)) -lt 0 ] && err_count=$((${err_count} - 1)) diff_c=1 [ ${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} )) [ ${err_c_cur} -ne ${err_count} ] && diff_c=$(( ${err_c_cur} - ${err_count} ))
@ -81,15 +88,14 @@ mysql_checks() {
sogo_checks() { sogo_checks() {
err_count=0 err_count=0
diff_c=0 diff_c=0
HOST_IP=$(get_container_ip sogo-mailcow)
THRESHOLD=20 THRESHOLD=20
# Reduce error count by 2 after restarting an unhealthy container # Reduce error count by 2 after restarting an unhealthy container
trap "[ ${err_count} -gt 1 ] && err_count=$(( ${err_count} - 2 ))" USR1 trap "[ ${err_count} -gt 1 ] && err_count=$(( ${err_count} - 2 ))" USR1
while [ ${err_count} -lt ${THRESHOLD} ]; do while [ ${err_count} -lt ${THRESHOLD} ]; do
err_c_cur=${err_count} err_c_cur=${err_count}
/usr/lib/nagios/plugins/check_http -H sogo-mailcow -u /WebServerResources/css/theme-default.css -p 9192 -R md-default-theme 1>&2; err_count=$(( ${err_count} + $? )) /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} + $? ))
/usr/lib/nagios/plugins/check_http -H sogo-mailcow -u /SOGo.index/ -p 20000 -R "SOGo\sGroupware" 1>&2; err_count=$(( ${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} + $? ))
/usr/lib/nagios/plugins/check_http -H nginx-mailcow -u /SOGo/ -p 443 --ssl -R "Bad Gateway" --invert-regex 1>&2; err_count=$(( ${err_count} + $? ))
/usr/lib/nagios/plugins/check_http -H nginx-mailcow -u /SOGo/ -p 80 -R "Bad Gateway" --invert-regex 1>&2; err_count=$(( ${err_count} + $? ))
sleep $(( ( RANDOM % 30 ) + 10 )) sleep $(( ( RANDOM % 30 ) + 10 ))
[ ${err_c_cur} -eq ${err_count} ] && [ ! $((${err_count} - 1)) -lt 0 ] && err_count=$((${err_count} - 1)) diff_c=1 [ ${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} )) [ ${err_c_cur} -ne ${err_count} ] && diff_c=$(( ${err_c_cur} - ${err_count} ))
@ -101,14 +107,15 @@ sogo_checks() {
postfix_checks() { postfix_checks() {
err_count=0 err_count=0
diff_c=0 diff_c=0
HOST_IP=$(get_container_ip postfix-mailcow)
THRESHOLD=16 THRESHOLD=16
# Reduce error count by 2 after restarting an unhealthy container # Reduce error count by 2 after restarting an unhealthy container
trap "[ ${err_count} -gt 1 ] && err_count=$(( ${err_count} - 2 ))" USR1 trap "[ ${err_count} -gt 1 ] && err_count=$(( ${err_count} - 2 ))" USR1
while [ ${err_count} -lt ${THRESHOLD} ]; do while [ ${err_count} -lt ${THRESHOLD} ]; do
err_c_cur=${err_count} err_c_cur=${err_count}
/usr/lib/nagios/plugins/check_smtp -H postfix-mailcow -p 25 1>&2; err_count=$(( ${err_count} + $? )) /usr/lib/nagios/plugins/check_smtp -4 -H ${HOST_IP} -p 25 1>&2; err_count=$(( ${err_count} + $? ))
/usr/lib/nagios/plugins/check_smtp -H postfix-mailcow -p 588 -f watchdog -C "RCPT TO:null@localhost" -C DATA -C . -R 250 1>&2; err_count=$(( ${err_count} + $? )) /usr/lib/nagios/plugins/check_smtp -4 -H ${HOST_IP} -p 588 -f watchdog -C "RCPT TO:null@localhost" -C DATA -C . -R 250 1>&2; err_count=$(( ${err_count} + $? ))
/usr/lib/nagios/plugins/check_smtp -H postfix-mailcow -p 587 -S 1>&2; err_count=$(( ${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 )) sleep $(( ( RANDOM % 30 ) + 10 ))
[ ${err_c_cur} -eq ${err_count} ] && [ ! $((${err_count} - 1)) -lt 0 ] && err_count=$((${err_count} - 1)) diff_c=1 [ ${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} )) [ ${err_c_cur} -ne ${err_count} ] && diff_c=$(( ${err_c_cur} - ${err_count} ))
@ -120,16 +127,17 @@ postfix_checks() {
dovecot_checks() { dovecot_checks() {
err_count=0 err_count=0
diff_c=0 diff_c=0
HOST_IP=$(get_container_ip dovecot-mailcow)
THRESHOLD=24 THRESHOLD=24
# Reduce error count by 2 after restarting an unhealthy container # Reduce error count by 2 after restarting an unhealthy container
trap "[ ${err_count} -gt 1 ] && err_count=$(( ${err_count} - 2 ))" USR1 trap "[ ${err_count} -gt 1 ] && err_count=$(( ${err_count} - 2 ))" USR1
while [ ${err_count} -lt ${THRESHOLD} ]; do while [ ${err_count} -lt ${THRESHOLD} ]; do
err_c_cur=${err_count} err_c_cur=${err_count}
/usr/lib/nagios/plugins/check_smtp -H dovecot-mailcow -p 24 -f "watchdog" -C "RCPT TO:<watchdog@invalid>" -L -R "User doesn't exist" 1>&2; err_count=$(( ${err_count} + $? )) /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} + $? ))
/usr/lib/nagios/plugins/check_imap -H dovecot-mailcow -p 993 -S -e "OK " 1>&2; err_count=$(( ${err_count} + $? )) /usr/lib/nagios/plugins/check_imap -4 -H ${HOST_IP} -p 993 -S -e "OK " 1>&2; err_count=$(( ${err_count} + $? ))
/usr/lib/nagios/plugins/check_imap -H dovecot-mailcow -p 143 -e "OK " 1>&2; err_count=$(( ${err_count} + $? )) /usr/lib/nagios/plugins/check_imap -4 -H ${HOST_IP} -p 143 -e "OK " 1>&2; err_count=$(( ${err_count} + $? ))
/usr/lib/nagios/plugins/check_tcp -H dovecot-mailcow -p 10001 -e "VERSION" 1>&2; err_count=$(( ${err_count} + $? )) /usr/lib/nagios/plugins/check_tcp -4 -H ${HOST_IP} -p 10001 -e "VERSION" 1>&2; err_count=$(( ${err_count} + $? ))
/usr/lib/nagios/plugins/check_tcp -H dovecot-mailcow -p 4190 -e "Dovecot ready" 1>&2; err_count=$(( ${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 )) sleep $(( ( RANDOM % 30 ) + 10 ))
[ ${err_c_cur} -eq ${err_count} ] && [ ! $((${err_count} - 1)) -lt 0 ] && err_count=$((${err_count} - 1)) diff_c=1 [ ${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} )) [ ${err_c_cur} -ne ${err_count} ] && diff_c=$(( ${err_c_cur} - ${err_count} ))
@ -141,14 +149,14 @@ dovecot_checks() {
phpfpm_checks() { phpfpm_checks() {
err_count=0 err_count=0
diff_c=0 diff_c=0
HOST_IP=$(get_container_ip php-fpm-mailcow)
THRESHOLD=12 THRESHOLD=12
# Reduce error count by 2 after restarting an unhealthy container # Reduce error count by 2 after restarting an unhealthy container
trap "[ ${err_count} -gt 1 ] && err_count=$(( ${err_count} - 2 ))" USR1 trap "[ ${err_count} -gt 1 ] && err_count=$(( ${err_count} - 2 ))" USR1
while [ ${err_count} -lt ${THRESHOLD} ]; do while [ ${err_count} -lt ${THRESHOLD} ]; do
err_c_cur=${err_count} err_c_cur=${err_count}
cgi-fcgi -bind -connect php-fpm-mailcow:9000 | grep PHP 1>&2; err_count=$(( ${err_count} + ($? * 2))) cgi-fcgi -bind -connect ${HOST_IP}:9000 | grep PHP 1>&2; err_count=$(( ${err_count} + ($? * 2)))
/usr/lib/nagios/plugins/check_ping -H php-fpm-mailcow -w 2000,10% -c 4000,100% -p2 1>&2; err_count=$(( ${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} + $? ))
/usr/lib/nagios/plugins/check_http -H nginx-mailcow -u /settings.php -p 8081 -r "settings \{" 1>&2; err_count=$(( ${err_count} + ($? * 2)))
sleep $(( ( RANDOM % 30 ) + 10 )) sleep $(( ( RANDOM % 30 ) + 10 ))
[ ${err_c_cur} -eq ${err_count} ] && [ ! $((${err_count} - 1)) -lt 0 ] && err_count=$((${err_count} - 1)) diff_c=1 [ ${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} )) [ ${err_c_cur} -ne ${err_count} ] && diff_c=$(( ${err_c_cur} - ${err_count} ))
@ -160,15 +168,15 @@ phpfpm_checks() {
dns_checks() { dns_checks() {
err_count=0 err_count=0
diff_c=0 diff_c=0
HOST_IP=$(get_container_ip unbound-mailcow)
THRESHOLD=28 THRESHOLD=28
# Reduce error count by 2 after restarting an unhealthy container # Reduce error count by 2 after restarting an unhealthy container
trap "[ ${err_count} -gt 1 ] && err_count=$(( ${err_count} - 2 ))" USR1 trap "[ ${err_count} -gt 1 ] && err_count=$(( ${err_count} - 2 ))" USR1
while [ ${err_count} -lt ${THRESHOLD} ]; do while [ ${err_count} -lt ${THRESHOLD} ]; do
err_c_cur=${err_count} 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 -H google.com 1>&2; err_count=$(( ${err_count} + ($? * 2)))
/usr/lib/nagios/plugins/check_dns -s $(dig unbound-mailcow +short A) -H google.com 1>&2; err_count=$(( ${err_count} + ($? * 2))) /usr/lib/nagios/plugins/check_dns -s ${HOST_IP} -H google.com 1>&2; err_count=$(( ${err_count} + ($? * 2)))
/usr/lib/nagios/plugins/check_dns -s $(dig unbound-mailcow +short AAAA) -H google.com 1>&2; err_count=$(( ${err_count} + ($? * 2))) dig +dnssec org. @${HOST_IP} | grep -E 'flags:.+ad' 1>&2; err_count=$(( ${err_count} + ($? * 2)))
dig +dnssec org. @172.22.1.254 | grep -E 'flags:.+ad' 1>&2; err_count=$(( ${err_count} + ($? * 2)))
sleep $(( ( RANDOM % 30 ) + 10 )) sleep $(( ( RANDOM % 30 ) + 10 ))
[ ${err_c_cur} -eq ${err_count} ] && [ ! $((${err_count} - 1)) -lt 0 ] && err_count=$((${err_count} - 1)) diff_c=1 [ ${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} )) [ ${err_c_cur} -ne ${err_count} ] && diff_c=$(( ${err_c_cur} - ${err_count} ))
@ -242,7 +250,7 @@ BACKGROUND_TASKS+=($!)
while true; do while true; do
if ! dns_checks; then if ! dns_checks; then
echo -e "\e[31m$(date) - Unbound hit error limit\e[0m" echo -e "\e[31m$(date) - Unbound hit error limit\e[0m"
echo unbound-mailcow > /tmp/com_pipe #echo unbound-mailcow > /tmp/com_pipe
fi fi
done done
) & ) &
@ -279,3 +287,4 @@ while true; do
kill -USR1 ${BACKGROUND_TASKS[*]} kill -USR1 ${BACKGROUND_TASKS[*]}
fi fi
done done