100 lines
2.3 KiB
Bash
Executable File
100 lines
2.3 KiB
Bash
Executable File
#!/bin/sh
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: << =cut
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=head1 NAME
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rabbitmq_connections - monitor the number of connections to RabbitMQ
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=head1 CONFIGURATION
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You will need to add configuration to
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/etc/munin/plugin-conf.d/rabbitmq_connection.conf for this plugin to
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work.
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=over 2
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=item C<user>
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Required. Valid choices are C<rabbitmq> and C<root>. This is required
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by C<rabbitmqctl>.
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=item C<env.conn_warn>
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Optional, default value is 500
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=item C<env.conn_crit>
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Optional, default value is 1000
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=back
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=head2 EXAMPLE CONFIGURATION
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[rabbitmq_connections]
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user rabbitmq
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env.conn_warn 512
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env.conn_crit 1024
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=head1 MAGIC MARKERS
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#%# family=contrib
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=cut
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case $(whoami) in
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rabbitmq|root)
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;;
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*)
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echo 'Error: Plugin requires "user" to be set in plugin configuration.' >&2
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echo 'See "munindoc rabbitmq_connections" for more information' >&2
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exit 1
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;;
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esac
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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 [ "$1" = "config" ]; then
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CONN_WARN=${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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# The title of the graph
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echo 'graph_title RabbitMQ connections'
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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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# The Y-axis label
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echo 'graph_vlabel connections'
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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 chat'
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echo "connections.label Connections"
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echo "connections.warning $CONN_WARN"
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echo "connections.critical $CONN_CRIT"
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echo "connections.info Number of active connections"
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echo 'graph_info Shows the number of connections to RabbitMQ'
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# Last, if run with the "config"-parameter, quit here (don't
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# display any data)
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exit 0
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fi
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# If not run with any parameters at all (or only unknown ones), do the
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# real work - i.e. display the data. Almost always this will be
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# "value" subfield for every data field.
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if command -v rabbitmqctl >/dev/null 2>&1; then
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connections=$(HOME=/tmp rabbitmqctl list_connections state | grep -c running)
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else
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echo "$0: Could not run rabbitmqctl" >&2
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connections=U
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fi
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printf 'connections.value %s\n' "$connections"
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