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authorFederico Ceratto <federico.ceratto@gmail.com>2016-03-30 21:40:42 +0000
committerFederico Ceratto <federico.ceratto@gmail.com>2016-03-30 21:40:42 +0000
commit9ce153ce7167c11adba8ac225edc7a707e97c6eb (patch)
tree9f6e849cce2dcc7e5b4e9e6252c843dc2d0787a2 /charts.d/postfix.chart.sh
downloadnetdata-9ce153ce7167c11adba8ac225edc7a707e97c6eb.tar.xz
netdata-9ce153ce7167c11adba8ac225edc7a707e97c6eb.zip
Imported Upstream version 1.0.0upstream/1.0.0
Diffstat (limited to 'charts.d/postfix.chart.sh')
-rwxr-xr-xcharts.d/postfix.chart.sh92
1 files changed, 92 insertions, 0 deletions
diff --git a/charts.d/postfix.chart.sh b/charts.d/postfix.chart.sh
new file mode 100755
index 000000000..d286f99f2
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+++ b/charts.d/postfix.chart.sh
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+#!/bin/sh
+
+# 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
+ # - 1 to disable 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
+ fi
+
+ if [ -z "$postfix_postqueue" -o ! -x "$postfix_postqueue" ]
+ then
+ echo >&2 "$PROGRAM_NAME: postfix: cannot find postqueue. Please set 'postfix_postqueue=/path/to/postqueue' in $confd/postfix.conf"
+ return 1
+ fi
+
+ return 0
+}
+
+postfix_create() {
+cat <<EOF
+CHART postfix.qemails '' "Postfix Queue Emails" "emails" queue postfix.queued.emails line $[postfix_priority + 1] $postfix_update_every
+DIMENSION emails '' absolute 1 1
+CHART postfix.qsize '' "Postfix Queue Emails Size" "emails size in KB" queue postfix.queued.size area $[postfix_priority + 2] $postfix_update_every
+DIMENSION size '' absolute 1 1
+EOF
+
+ return 0
+}
+
+postfix_update() {
+ # the first argument to this function is the microseconds since last update
+ # pass this parameter to the BEGIN statement (see bellow).
+
+ # do all the work to collect / calculate the values
+ # for each dimension
+ # remember: KEEP IT SIMPLE AND SHORT
+
+ # 1. execute postqueue -p
+ # 2. get the line that begins with --
+ # 3. match the 2 numbers on the line and output 2 lines like these:
+ # local postfix_q_size=NUMBER
+ # local postfix_q_emails=NUMBER
+ # 4. then execute this a script with the eval
+ #
+ # be very carefull with eval:
+ # prepare the script and always egrep at the end the lines that are usefull, so that
+ # even if something goes wrong, no other code can be executed
+ postfix_q_emails=0
+ postfix_q_size=0
+
+ eval "`$postfix_postqueue -p |\
+ grep "^--" |\
+ sed -e "s/-- \([0-9]\+\) Kbytes in \([0-9]\+\) Requests.$/local postfix_q_size=\1\nlocal postfix_q_emails=\2/g" |\
+ egrep "^local postfix_q_(emails|size)=[0-9]+$"`"
+
+ # write the result of the work.
+ cat <<VALUESEOF
+BEGIN postfix.qemails $1
+SET emails = $postfix_q_emails
+END
+BEGIN postfix.qsize $1
+SET size = $postfix_q_size
+END
+VALUESEOF
+
+ return 0
+}