77 lines
2.2 KiB
Bash
Executable File
77 lines
2.2 KiB
Bash
Executable File
#!/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.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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# 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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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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# 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 Memory used 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 1024 --vertical-label Bytes -l 0'
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# The Y-axis label
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echo 'graph_vlabel memory'
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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.warning $QUEUE_WARN"
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echo "$queue.critical $QUEUE_CRIT"
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echo "$queue.info Memory used by $queue"
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done
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echo 'graph_info Show memory usage by queue'
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# Last, if run with the "config"-parameter, quit here (don't
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# display any data)
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exit 0
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fi
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# If not run with any parameters at all (or only unknown ones), do the
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# real work - i.e. display the data. Almost always this will be
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# "value" subfield for every data field.
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IFS=$'\n'
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for line in $(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 "$line" | jq -j '.memory'
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echo ""
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done
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IFS=$' \t\n'
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