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service and host mail-notifications, add line-breaks to very long output strings

This commit is contained in:
Andreas Unterkircher 2018-12-05 07:05:43 +01:00 committed by Andreas Unterkircher
parent 15e3aa1762
commit c2b6f6b246
2 changed files with 48 additions and 8 deletions
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20
etc/icinga2/scripts/mail-host-notification.sh
View File

@ -99,6 +99,26 @@ for P in LONGDATETIME HOSTNAME HOSTDISPLAYNAME HOSTOUTPUT HOSTSTATE USEREMAIL NO
fi
done
## Add line-breaks to very long host-outputs to avoid
## mail servers rejecting the message because of hitting
## a max. message line limit (RFC821 max. 1000b per line)
##
## but move on, if the strings seems to take care of its
## own formating (containing \n or \r)
if [ ! -z "${HOSTOUTPUT}" ] \
&& [ "${#HOSTOUTPUT}" -ge 900 ] \
&& ! [[ "${HOSTOUTPUT}" =~ ($'\n'|$'\r') ]]; then
TMP_OUTPUT=''
STR_CNT=0
STR_STEPS=600
while [ $STR_CNT -lt ${#HOSTOUTPUT} ]; do
TMP_OUTPUT+="${HOSTOUTPUT:$STR_CNT:$STR_STEPS}\\n"
((STR_CNT+=STR_STEPS)) || true
done
HOSTOUTPUT="${TMP_OUTPUT}"
unset TMP_OUTPUT STR_CNT
fi
## Build the message's subject
SUBJECT="[$NOTIFICATIONTYPE] Host $HOSTDISPLAYNAME is $HOSTSTATE!"

20
etc/icinga2/scripts/mail-service-notification.sh
View File

@ -103,6 +103,26 @@ for P in LONGDATETIME HOSTNAME HOSTDISPLAYNAME SERVICENAME SERVICEDISPLAYNAME SE
fi
done
## Add line-breaks to very long service-outputs to avoid
## mail servers rejecting the message because of hitting
## a max. message line limit (RFC821 max. 1000b per line)
##
## but move on, if the strings seems to take care of its
## own formating (containing \n or \r)
if [ ! -z "${SERVICEOUTPUT}" ] \
&& [ "${#SERVICEOUTPUT}" -ge 900 ] \
&& ! [[ "${SERVICEOUTPUT}" =~ ($'\n'|$'\r') ]]; then
TMP_OUTPUT=''
STR_CNT=0
STR_STEPS=600
while [ $STR_CNT -lt ${#SERVICEOUTPUT} ]; do
TMP_OUTPUT+="${SERVICEOUTPUT:$STR_CNT:$STR_STEPS}\\n"
((STR_CNT+=STR_STEPS)) || true
done
SERVICEOUTPUT="${TMP_OUTPUT}"
unset TMP_OUTPUT STR_CNT
fi
## Build the message's subject
SUBJECT="[$NOTIFICATIONTYPE] $SERVICEDISPLAYNAME on $HOSTDISPLAYNAME is $SERVICESTATE!"