3 # the postqueue command
4 # if empty, it will use the one found in the system path
7 # how frequently to collect queue size
8 postfix_update_every=15
10 postfix_priority=60000
14 # - 0 to enable the chart
15 # - 1 to disable the chart
17 # try to find the postqueue executable
18 if [ -z "$postfix_postqueue" -o ! -x "$postfix_postqueue" ]
20 postfix_postqueue="`which postqueue 2>/dev/null`"
21 if [ -z "$postfix_postqueue" -o ! -x "$postfix_postqueue" ]
24 for d in /sbin /usr/sbin /usr/local/sbin
26 if [ -x "$d/postqueue" ]
28 postfix_postqueue="$d/postqueue"
35 if [ -z "$postfix_postqueue" -o ! -x "$postfix_postqueue" ]
37 echo >&2 "$PROGRAM_NAME: postfix: cannot find postqueue. Please set 'postfix_postqueue=/path/to/postqueue' in $confd/postfix.conf"
46 CHART postfix_local.qemails '' "Postfix Queue Emails" "emails" queue postfix.queued.emails line $((postfix_priority + 1)) $postfix_update_every
47 DIMENSION emails '' absolute 1 1
48 CHART postfix_local.qsize '' "Postfix Queue Emails Size" "emails size in KB" queue postfix.queued.size area $((postfix_priority + 2)) $postfix_update_every
49 DIMENSION size '' absolute 1 1
56 # the first argument to this function is the microseconds since last update
57 # pass this parameter to the BEGIN statement (see bellow).
59 # do all the work to collect / calculate the values
61 # remember: KEEP IT SIMPLE AND SHORT
63 # 1. execute postqueue -p
64 # 2. get the line that begins with --
65 # 3. match the 2 numbers on the line and output 2 lines like these:
66 # local postfix_q_size=NUMBER
67 # local postfix_q_emails=NUMBER
68 # 4. then execute this a script with the eval
70 # be very carefull with eval:
71 # prepare the script and always egrep at the end the lines that are usefull, so that
72 # even if something goes wrong, no other code can be executed
76 eval "`$postfix_postqueue -p |\
78 sed -e "s/-- \([0-9]\+\) Kbytes in \([0-9]\+\) Requests.$/local postfix_q_size=\1\nlocal postfix_q_emails=\2/g" |\
79 egrep "^local postfix_q_(emails|size)=[0-9]+$"`"
81 # write the result of the work.
83 BEGIN postfix_local.qemails $1
84 SET emails = $postfix_q_emails
86 BEGIN postfix_local.qsize $1
87 SET size = $postfix_q_size