-#!/bin/sh
+# no need for shebang - this file is loaded from charts.d.plugin
+# netdata
+# real-time performance and health monitoring, done right!
+# (C) 2016 Costa Tsaousis <costa@tsaousis.gr>
+# GPL v3+
+#
+
+# the postqueue command
+# if empty, it will use the one found in the system path
postfix_postqueue=
+# how frequently to collect queue size
+postfix_update_every=15
+
+postfix_priority=60000
+
postfix_check() {
# this should return:
# - 0 to enable the chart
# try to find the postqueue executable
if [ -z "$postfix_postqueue" -o ! -x "$postfix_postqueue" ]
then
- postfix_postqueue="`which postqueue 2>/dev/null`"
- if [ -z "$postfix_postqueue" -o ! -x "$postfix_postqueue" ]
- then
- local d=
- for d in /sbin /usr/sbin /usr/local/sbin
- do
- if [ -x "$d/postqueue" ]
- then
- postfix_postqueue="$d/postqueue"
- break
- fi
- done
- fi
+ postfix_postqueue="$(which postqueue 2>/dev/null || command -v postqueue 2>/dev/null)"
fi
if [ -z "$postfix_postqueue" -o ! -x "$postfix_postqueue" ]
then
- echo >&2 "postfix: cannot find postqueue. Please set 'postfix_postqueue=/path/to/postqueue' in $confd/postfix.conf"
+ error "cannot find postqueue. Please set 'postfix_postqueue=/path/to/postqueue' in $confd/postfix.conf"
return 1
fi
postfix_create() {
cat <<EOF
-CHART postfix.qemails '' "Postfix Queue Emails" "emails" postfix postfix line 5000 $update_every
-DIMENSION emails '' absolute-no-interpolation 1 1
-CHART postfix.qsize '' "Postfix Queue Emails Size" "emails size in KB" postfix postfix area 5001 $update_every
+CHART postfix_local.qemails '' "Postfix Queue Emails" "emails" queue postfix.queued.emails line $((postfix_priority + 1)) $postfix_update_every
+DIMENSION emails '' absolute 1 1
+CHART postfix_local.qsize '' "Postfix Queue Emails Size" "emails size in KB" queue postfix.queued.size area $((postfix_priority + 2)) $postfix_update_every
DIMENSION size '' absolute 1 1
EOF
# be very carefull with eval:
# prepare the script and always egrep at the end the lines that are usefull, so that
# even if something goes wrong, no other code can be executed
- eval "`$postfix_postqueue -p |\
+ postfix_q_emails=0
+ postfix_q_size=0
+
+ eval "$(run $postfix_postqueue -p |\
grep "^--" |\
sed -e "s/-- \([0-9]\+\) Kbytes in \([0-9]\+\) Requests.$/local postfix_q_size=\1\nlocal postfix_q_emails=\2/g" |\
- egrep "^local postfix_q_(emails|size)=[0-9]+$"`"
+ egrep "^local postfix_q_(emails|size)=[0-9]+$")"
# write the result of the work.
cat <<VALUESEOF
-BEGIN postfix.qemails $1
+BEGIN postfix_local.qemails $1
SET emails = $postfix_q_emails
END
-BEGIN postfix.qsize $1
+BEGIN postfix_local.qsize $1
SET size = $postfix_q_size
END
VALUESEOF