#!/bin/bash # # Plugin to monitor the queues of a virtual_host in RabbitMQ # # Usage: Link or copy into /etc/munin/node.d/ # # Parameters # env.vhost # # Magic markers (optional - only used by munin-config and some # installation scripts): # #%# family=auto #%# capabilities=autoconf # If run with the "autoconf"-parameter, give our opinion on wether we # should be run on this system or not. This is optinal, and only used by # munin-config. In the case of this plugin, we should most probably # always be included. if [ "$1" = "autoconf" ]; then echo yes exit 0 fi # If run with the "config"-parameter, give out information on how the # graphs should look. HOME=/tmp/ VHOST=${vhost:-"/"} QUEUES=$(HOME=$HOME rabbitmqctl list_queues -p $VHOST name | grep -v '^Listing' | grep -v 'done\.$' | grep -v "\.\.\." | sed 's/[^a-z0-9]\+/_/g') if [ "$1" = "config" ]; then # The host name this plugin is for. (Can be overridden to have # one machine answer for several) # The title of the graph echo "graph_title RabbitMQ $VHOST Disk activity by queue" # Arguments to "rrdtool graph". In this case, tell it that the # lower limit of the graph is '0', and that 1k=1000 (not 1024) echo 'graph_args --base 1000 --vertical-label Messages -l 0' # The Y-axis label echo 'graph_vlabel disk' # We want Cur/Min/Avg/Max unscaled (i.e. 0.42 load instead of # 420 milliload) #echo 'graph_scale no' echo 'graph_category RabbitMQ' for queue in $QUEUES; do echo "$queue.label $queue" echo "$queue.info Memory used by $queue" done echo 'graph_info Show disk activity by queue' # Last, if run with the "config"-parameter, quit here (don't # display any data) exit 0 fi # If not run with any parameters at all (or only unknown ones), do the # real work - i.e. display the data. Almost always this will be # "value" subfield for every data field. IFS=$'\n' for line in $(HOME=$HOME rabbitmqctl list_queues -p $VHOST name disk_reads disk_writes | grep -v "^Listing" | grep -v "done.$" | grep -v "\.\.\."); do echo -n "$line" | cut -f1 | tr -d '\n' | sed 's/[^a-z0-9]\+/_/g' echo -n ".read_count.value " echo -n "$line" | cut -f2 | tr -d '\n' echo "" echo -n "$line" | cut -f1 | tr -d '\n' | sed 's/[^a-z0-9]\+/_/g' echo -n ".write_count.value " echo -n "$line" | cut -f3 | tr -d '\n' echo "" done IFS=$' \t\n'