Use HTTP API of management plugin to lower CPU load
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README.rst
33
README.rst
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@ -7,28 +7,6 @@ Installation
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Copy the plug-ins to the munin plugin directory, e.g ``/etc/munin/plugins/``.
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Granting Permissions
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====================
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To use these plug-ins you have to tell munin-node to execute them as
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root by changing the plug-in configuration file (on debian that is
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``/etc/munin/plugin-conf.d``)::
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[rabbitmq_connections]
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user root
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[rabbitmq_queue_consumers]
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user root
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[rabbitmq_queue_disk]
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user root
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[rabbitmq_queue_memory]
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user root
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[rabbitmq_queue_messages]
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user root
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Using a Custom Virtual Host
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============================
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@ -36,14 +14,17 @@ Using a Custom Virtual Host
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You can set the name of virtual host by changing the plug-in configuration
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file (on debian that is ``/etc/munin/plugin-conf.d``)::
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[rabbitmq_connections]
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env.url http://guest:guest@127.0.0.1:15672
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[rabbitmq_queue_consumers]
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env.vhost vhostname
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env.url http://guest:guest@127.0.0.1:15672
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[rabbitmq_queue_disk]
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env.vhost vhostname
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env.url http://guest:guest@127.0.0.1:15672
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[rabbitmq_queue_memory]
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env.vhost vhostname
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env.url http://guest:guest@127.0.0.1:15672
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[rabbitmq_queue_messages]
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env.vhost vhostname
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env.url http://guest:guest@127.0.0.1:15672
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@ -5,6 +5,7 @@
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# Usage: Link or copy into /etc/munin/node.d/
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#
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# Parameters
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# env.url <url of management plugin>
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# env.conn_warn <warning connections>
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# env.conn_crit <critical connections>
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#
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@ -24,14 +25,12 @@ if [ "$1" = "autoconf" ]; then
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exit 0
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fi
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HOME=/tmp/
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# If run with the "config"-parameter, give out information on how the
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# graphs should look.
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if [ "$1" = "config" ]; then
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CONN_WARN=${queue_warn:-500}
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CONN_CRIT=${queue_crit:-1000}
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CONN_WARN=${conn_warn:-500}
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CONN_CRIT=${conn_crit:-1000}
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# The host name this plugin is for. (Can be overridden to have
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# one machine answer for several)
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@ -63,6 +62,6 @@ fi
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# real work - i.e. display the data. Almost always this will be
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# "value" subfield for every data field.
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echo "total.value $(HOME=$HOME rabbitmqctl list_connections | grep -v "^Listing" | grep -v "done.$" | grep -v "\.\.\." | wc -l)"
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echo "secure.value $(HOME=$HOME rabbitmqctl list_connections ssl | grep -v "^Listing" | grep -v "done.$" | grep -v "\.\.\." | grep "true" | wc -l)"
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echo "insecure.value $(HOME=$HOME rabbitmqctl list_connections ssl | grep -v "^Listing" | grep -v "done.$" | grep -v "\.\.\." | grep "false" | wc -l)"
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echo "total.value $(curl -sS $url/api/connections | jq -r '.[] | {}' | wc -l)"
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echo "secure.value $(curl -sS $url/api/connections | jq -r '.[] | select(.ssl == true) | {}' | wc -l)"
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echo "insecure.value $(curl -sS $url/api/connections | jq -r '.[] | select(.ssl == false or .ssl == null) | {}' | wc -l)"
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@ -5,7 +5,7 @@
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# Usage: Link or copy into /etc/munin/node.d/
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#
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# Parameters
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# env.vhost <AMQ virtual host>
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# env.url <url of management plugin>
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# env.queue_warn <warning queuesize>
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# env.queue_crit <critical queuesize>
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#
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@ -28,11 +28,9 @@ fi
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# If run with the "config"-parameter, give out information on how the
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# graphs should look.
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HOME=/tmp/
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VHOST=${vhost:-"/"}
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QUEUES=$(HOME=$HOME rabbitmqctl list_queues -p $VHOST name | grep -v '^Listing' | grep -v 'done\.$' | grep -v "\.\.\." | sed 's/[^a-z0-9]\+/_/g')
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if [ "$1" = "config" ]; then
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QUEUES=$(curl -sS $url/api/queues | jq -r '.[] | .name' | sed 's/[^a-z0-9]\+/_/g')
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QUEUE_WARN=${queue_warn:-100}
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QUEUE_CRIT=${queue_crit:-500}
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@ -40,7 +38,7 @@ if [ "$1" = "config" ]; then
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# one machine answer for several)
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# The title of the graph
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echo "graph_title RabbitMQ $VHOST consumers"
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echo "graph_title RabbitMQ consumers"
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# Arguments to "rrdtool graph". In this case, tell it that the
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# lower limit of the graph is '0', and that 1k=1000 (not 1024)
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echo 'graph_args --base 1000 -l 0'
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@ -69,10 +67,10 @@ fi
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# "value" subfield for every data field.
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IFS=$'\n'
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for line in $(HOME=$HOME rabbitmqctl list_queues -p $VHOST name consumers | grep -v "^Listing" | grep -v "done.$" | grep -v "\.\.\."); do
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echo -n "$line" | cut -f1 | tr -d '\n' | sed 's/[^a-z0-9]\+/_/g'
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for line in $(curl -sS $url/api/queues | jq -c -r '.[] | {name: .name, consumers: .consumers}'); do
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echo -n "$line" | jq -j '.name' | sed 's/[^a-z0-9]\+/_/g'
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echo -n ".value "
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echo -n "$line" | cut -f2 | tr -d '\n'
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echo -n "$line" | jq -j '.consumers'
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echo ""
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done
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IFS=$' \t\n'
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@ -1,76 +0,0 @@
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#!/bin/bash
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#
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# Plugin to monitor the queues of a virtual_host in RabbitMQ
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#
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# Usage: Link or copy into /etc/munin/node.d/
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#
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# Parameters
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# env.vhost <AMQ virtual host>
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#
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# Magic markers (optional - only used by munin-config and some
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# installation scripts):
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#
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#%# family=auto
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#%# capabilities=autoconf
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# If run with the "autoconf"-parameter, give our opinion on wether we
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# should be run on this system or not. This is optinal, and only used by
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# munin-config. In the case of this plugin, we should most probably
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# always be included.
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if [ "$1" = "autoconf" ]; then
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echo yes
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exit 0
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fi
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# If run with the "config"-parameter, give out information on how the
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# graphs should look.
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HOME=/tmp/
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VHOST=${vhost:-"/"}
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QUEUES=$(HOME=$HOME rabbitmqctl list_queues -p $VHOST name | grep -v '^Listing' | grep -v 'done\.$' | grep -v "\.\.\." | sed 's/[^a-z0-9]\+/_/g')
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if [ "$1" = "config" ]; then
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# The host name this plugin is for. (Can be overridden to have
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# one machine answer for several)
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# The title of the graph
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echo "graph_title RabbitMQ $VHOST Disk activity by queue"
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# Arguments to "rrdtool graph". In this case, tell it that the
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# lower limit of the graph is '0', and that 1k=1000 (not 1024)
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echo 'graph_args --base 1000 --vertical-label Messages -l 0'
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# The Y-axis label
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echo 'graph_vlabel disk'
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# We want Cur/Min/Avg/Max unscaled (i.e. 0.42 load instead of
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# 420 milliload)
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#echo 'graph_scale no'
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echo 'graph_category RabbitMQ'
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for queue in $QUEUES; do
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echo "$queue.label $queue"
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echo "$queue.info Memory used by $queue"
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done
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echo 'graph_info Show disk activity by queue'
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# Last, if run with the "config"-parameter, quit here (don't
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# display any data)
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exit 0
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fi
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# If not run with any parameters at all (or only unknown ones), do the
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# real work - i.e. display the data. Almost always this will be
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# "value" subfield for every data field.
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IFS=$'\n'
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for line in $(HOME=$HOME rabbitmqctl list_queues -p $VHOST name disk_reads disk_writes | grep -v "^Listing" | grep -v "done.$" | grep -v "\.\.\."); do
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echo -n "$line" | cut -f1 | tr -d '\n' | sed 's/[^a-z0-9]\+/_/g'
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echo -n ".read_count.value "
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echo -n "$line" | cut -f2 | tr -d '\n'
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echo ""
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echo -n "$line" | cut -f1 | tr -d '\n' | sed 's/[^a-z0-9]\+/_/g'
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echo -n ".write_count.value "
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echo -n "$line" | cut -f3 | tr -d '\n'
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echo ""
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done
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IFS=$' \t\n'
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@ -5,7 +5,7 @@
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# Usage: Link or copy into /etc/munin/node.d/
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#
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# Parameters
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# env.vhost <AMQ virtual host>
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# env.url <url of management plugin>
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# env.queue_warn <warning queuesize>
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# env.queue_crit <critical queuesize>
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#
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@ -28,11 +28,9 @@ fi
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# If run with the "config"-parameter, give out information on how the
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# graphs should look.
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HOME=/tmp/
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VHOST=${vhost:-"/"}
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QUEUES=$(HOME=$HOME rabbitmqctl list_queues -p $VHOST name | grep -v '^Listing' | grep -v 'done\.$' | grep -v "\.\.\." | sed 's/[^a-z0-9]\+/_/g')
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if [ "$1" = "config" ]; then
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QUEUES=$(curl -sS $url/api/queues | jq -r '.[] | .name' | sed 's/[^a-z0-9]\+/_/g')
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QUEUE_WARN=${queue_warn:-10000}
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QUEUE_CRIT=${queue_crit:-20000}
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@ -69,10 +67,10 @@ fi
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# "value" subfield for every data field.
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IFS=$'\n'
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for line in $(HOME=$HOME rabbitmqctl list_queues -p $VHOST name memory | grep -v "^Listing" | grep -v "done.$" | grep -v "\.\.\."); do
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echo -n "$line" | cut -f1 | tr -d '\n' | sed 's/[^a-z0-9]\+/_/g'
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for line in $(curl -sS $url/api/queues | jq -c -r '.[] | {name: .name, memory: .memory}'); do
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echo -n "$line" | jq -j '.name' | sed 's/[^a-z0-9]\+/_/g'
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echo -n ".used.value "
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echo -n "$line" | cut -f2 | tr -d '\n'
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echo -n "$line" | jq -j '.memory'
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echo ""
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done
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IFS=$' \t\n'
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@ -5,7 +5,7 @@
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# Usage: Link or copy into /etc/munin/node.d/
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#
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# Parameters
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# env.vhost <AMQ virtual host>
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# env.url <url of management plugin>
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# env.queue_warn <warning queuesize>
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# env.queue_crit <critical queuesize>
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#
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@ -28,11 +28,9 @@ fi
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# If run with the "config"-parameter, give out information on how the
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# graphs should look.
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HOME=/tmp/
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VHOST=${vhost:-"/"}
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QUEUES=$(HOME=$HOME rabbitmqctl list_queues -p $VHOST name | grep -v '^Listing' | grep -v 'done\.$' | grep -v "\.\.\." | sed 's/[^a-z0-9]\+/_/g')
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if [ "$1" = "config" ]; then
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QUEUES=$(curl -sS $url/api/queues | jq -r '.[] | .name' | sed 's/[^a-z0-9]\+/_/g')
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QUEUE_WARN=${queue_warn:-10000}
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QUEUE_CRIT=${queue_crit:-20000}
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@ -40,7 +38,7 @@ if [ "$1" = "config" ]; then
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# one machine answer for several)
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# The title of the graph
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echo "graph_title RabbitMQ $VHOST list_queues"
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echo "graph_title RabbitMQ list_queues"
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# Arguments to "rrdtool graph". In this case, tell it that the
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# lower limit of the graph is '0', and that 1k=1000 (not 1024)
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echo 'graph_args --base 1000 -l 0'
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@ -69,25 +67,25 @@ fi
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# "value" subfield for every data field.
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IFS=$'\n'
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for line in $(HOME=$HOME rabbitmqctl list_queues -p $VHOST name messages messages_ready messages_unacknowledged messages_persistent | grep -v "^Listing" | grep -v "done.$" | grep -v "\.\.\."); do
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echo -n "$line" | cut -f1 | tr -d '\n' | sed 's/[^a-z0-9]\+/_/g'
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for line in $(curl -sS $url/api/queues | jq -c -r '.[] | {name: .name, messages: .messages, messages_ready: .messages_ready, messages_unacknowledged: .messages_unacknowledged, messages_persistent: .messages_persistent}'); do
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echo -n "$line" | jq -j '.name' | sed 's/[^a-z0-9]\+/_/g'
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echo -n ".total.value "
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echo -n "$line" | cut -f2 | tr -d '\n'
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echo -n "$line" | jq -j '.messages'
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echo ""
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echo -n "$line" | cut -f1 | tr -d '\n' | sed 's/[^a-z0-9]\+/_/g'
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echo -n "$line" | jq -j '.name' | sed 's/[^a-z0-9]\+/_/g'
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echo -n ".ready.value "
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echo -n "$line" | cut -f3 | tr -d '\n'
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echo -n "$line" | jq -j '.messages_ready'
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echo ""
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echo -n "$line" | cut -f1 | tr -d '\n' | sed 's/[^a-z0-9]\+/_/g'
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echo -n "$line" | jq -j '.name' | sed 's/[^a-z0-9]\+/_/g'
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echo -n ".unacknowledged.value "
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echo -n "$line" | cut -f4 | tr -d '\n'
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echo -n "$line" | jq -j '.messages_unacknowledged'
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echo ""
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echo -n "$line" | cut -f1 | tr -d '\n' | sed 's/[^a-z0-9]\+/_/g'
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echo -n "$line" | jq -j '.name' | sed 's/[^a-z0-9]\+/_/g'
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echo -n ".persistent.value "
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echo -n "$line" | cut -f5 | tr -d '\n'
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echo -n "$line" | jq -j '.messages_persistent'
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echo ""
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done
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IFS=$' \t\n'
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