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Use HTTP API of management plugin to lower CPU load

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cn 2018-05-04 11:59:18 +02:00
parent 4f42f596f3
commit 25399eae4b
6 changed files with 39 additions and 141 deletions
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33
README.rst
View File

@ -7,28 +7,6 @@ Installation
Copy the plug-ins to the munin plugin directory, e.g ``/etc/munin/plugins/``.
Granting Permissions
====================
To use these plug-ins you have to tell munin-node to execute them as
root by changing the plug-in configuration file (on debian that is
``/etc/munin/plugin-conf.d``)::
[rabbitmq_connections]
user root
[rabbitmq_queue_consumers]
user root
[rabbitmq_queue_disk]
user root
[rabbitmq_queue_memory]
user root
[rabbitmq_queue_messages]
user root
Using a Custom Virtual Host
============================
@ -36,14 +14,17 @@ Using a Custom Virtual Host
You can set the name of virtual host by changing the plug-in configuration
file (on debian that is ``/etc/munin/plugin-conf.d``)::
[rabbitmq_connections]
env.url http://guest:guest@127.0.0.1:15672
[rabbitmq_queue_consumers]
env.vhost vhostname
env.url http://guest:guest@127.0.0.1:15672
[rabbitmq_queue_disk]
env.vhost vhostname
env.url http://guest:guest@127.0.0.1:15672
[rabbitmq_queue_memory]
env.vhost vhostname
env.url http://guest:guest@127.0.0.1:15672
[rabbitmq_queue_messages]
env.vhost vhostname
env.url http://guest:guest@127.0.0.1:15672

13
rabbitmq_connections
View File

@ -5,6 +5,7 @@
# Usage: Link or copy into /etc/munin/node.d/
#
# Parameters
# env.url <url of management plugin>
# env.conn_warn <warning connections>
# env.conn_crit <critical connections>
#
@ -24,14 +25,12 @@ if [ "$1" = "autoconf" ]; then
exit 0
fi
HOME=/tmp/
# If run with the "config"-parameter, give out information on how the
# graphs should look.
if [ "$1" = "config" ]; then
CONN_WARN=${queue_warn:-500}
CONN_CRIT=${queue_crit:-1000}
CONN_WARN=${conn_warn:-500}
CONN_CRIT=${conn_crit:-1000}
# The host name this plugin is for. (Can be overridden to have
# one machine answer for several)
@ -63,6 +62,6 @@ fi
# real work - i.e. display the data. Almost always this will be
# "value" subfield for every data field.
echo "total.value $(HOME=$HOME rabbitmqctl list_connections | grep -v "^Listing" | grep -v "done.$" | grep -v "\.\.\." | wc -l)"
echo "secure.value $(HOME=$HOME rabbitmqctl list_connections ssl | grep -v "^Listing" | grep -v "done.$" | grep -v "\.\.\." | grep "true" | wc -l)"
echo "insecure.value $(HOME=$HOME rabbitmqctl list_connections ssl | grep -v "^Listing" | grep -v "done.$" | grep -v "\.\.\." | grep "false" | wc -l)"
echo "total.value $(curl -sS $url/api/connections | jq -r '.[] | {}' | wc -l)"
echo "secure.value $(curl -sS $url/api/connections | jq -r '.[] | select(.ssl == true) | {}' | wc -l)"
echo "insecure.value $(curl -sS $url/api/connections | jq -r '.[] | select(.ssl == false or .ssl == null) | {}' | wc -l)"

16
rabbitmq_queue_consumers
View File

@ -5,7 +5,7 @@
# Usage: Link or copy into /etc/munin/node.d/
#
# Parameters
# env.vhost <AMQ virtual host>
# env.url <url of management plugin>
# env.queue_warn <warning queuesize>
# env.queue_crit <critical queuesize>
#
@ -28,11 +28,9 @@ 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 [ "$1" = "config" ]; then
QUEUES=$(curl -sS $url/api/queues | jq -r '.[] | .name' | sed 's/[^a-z0-9]\+/_/g')
QUEUE_WARN=${queue_warn:-100}
QUEUE_CRIT=${queue_crit:-500}
@ -40,7 +38,7 @@ if [ "$1" = "config" ]; then
# one machine answer for several)
# The title of the graph
echo "graph_title RabbitMQ $VHOST consumers"
echo "graph_title RabbitMQ consumers"
# Arguments to "rrdtool graph". In this case, tell it that the
# lower limit of the graph is '0', and that 1k=1000 (not 1024)
echo 'graph_args --base 1000 -l 0'
@ -69,10 +67,10 @@ fi
# "value" subfield for every data field.
IFS=$'\n'
for line in $(HOME=$HOME rabbitmqctl list_queues -p $VHOST name consumers | grep -v "^Listing" | grep -v "done.$" | grep -v "\.\.\."); do
echo -n "$line" | cut -f1 | tr -d '\n' | sed 's/[^a-z0-9]\+/_/g'
for line in $(curl -sS $url/api/queues | jq -c -r '.[] | {name: .name, consumers: .consumers}'); do
echo -n "$line" | jq -j '.name' | sed 's/[^a-z0-9]\+/_/g'
echo -n ".value "
echo -n "$line" | cut -f2 | tr -d '\n'
echo -n "$line" | jq -j '.consumers'
echo ""
done
IFS=$' \t\n'

76
rabbitmq_queue_disk
View File

@ -1,76 +0,0 @@
#!/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 <AMQ virtual host>
#
# 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'

14
rabbitmq_queue_memory
View File

@ -5,7 +5,7 @@
# Usage: Link or copy into /etc/munin/node.d/
#
# Parameters
# env.vhost <AMQ virtual host>
# env.url <url of management plugin>
# env.queue_warn <warning queuesize>
# env.queue_crit <critical queuesize>
#
@ -28,11 +28,9 @@ 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 [ "$1" = "config" ]; then
QUEUES=$(curl -sS $url/api/queues | jq -r '.[] | .name' | sed 's/[^a-z0-9]\+/_/g')
QUEUE_WARN=${queue_warn:-10000}
QUEUE_CRIT=${queue_crit:-20000}
@ -69,10 +67,10 @@ fi
# "value" subfield for every data field.
IFS=$'\n'
for line in $(HOME=$HOME rabbitmqctl list_queues -p $VHOST name memory | grep -v "^Listing" | grep -v "done.$" | grep -v "\.\.\."); do
echo -n "$line" | cut -f1 | tr -d '\n' | sed 's/[^a-z0-9]\+/_/g'
for line in $(curl -sS $url/api/queues | jq -c -r '.[] | {name: .name, memory: .memory}'); do
echo -n "$line" | jq -j '.name' | sed 's/[^a-z0-9]\+/_/g'
echo -n ".used.value "
echo -n "$line" | cut -f2 | tr -d '\n'
echo -n "$line" | jq -j '.memory'
echo ""
done
IFS=$' \t\n'

28
rabbitmq_queue_messages
View File

@ -5,7 +5,7 @@
# Usage: Link or copy into /etc/munin/node.d/
#
# Parameters
# env.vhost <AMQ virtual host>
# env.url <url of management plugin>
# env.queue_warn <warning queuesize>
# env.queue_crit <critical queuesize>
#
@ -28,11 +28,9 @@ 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 [ "$1" = "config" ]; then
QUEUES=$(curl -sS $url/api/queues | jq -r '.[] | .name' | sed 's/[^a-z0-9]\+/_/g')
QUEUE_WARN=${queue_warn:-10000}
QUEUE_CRIT=${queue_crit:-20000}
@ -40,7 +38,7 @@ if [ "$1" = "config" ]; then
# one machine answer for several)
# The title of the graph
echo "graph_title RabbitMQ $VHOST list_queues"
echo "graph_title RabbitMQ list_queues"
# Arguments to "rrdtool graph". In this case, tell it that the
# lower limit of the graph is '0', and that 1k=1000 (not 1024)
echo 'graph_args --base 1000 -l 0'
@ -69,25 +67,25 @@ fi
# "value" subfield for every data field.
IFS=$'\n'
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
echo -n "$line" | cut -f1 | tr -d '\n' | sed 's/[^a-z0-9]\+/_/g'
for line in $(curl -sS $url/api/queues | jq -c -r '.[] | {name: .name, messages: .messages, messages_ready: .messages_ready, messages_unacknowledged: .messages_unacknowledged, messages_persistent: .messages_persistent}'); do
echo -n "$line" | jq -j '.name' | sed 's/[^a-z0-9]\+/_/g'
echo -n ".total.value "
echo -n "$line" | cut -f2 | tr -d '\n'
echo -n "$line" | jq -j '.messages'
echo ""
echo -n "$line" | cut -f1 | tr -d '\n' | sed 's/[^a-z0-9]\+/_/g'
echo -n "$line" | jq -j '.name' | sed 's/[^a-z0-9]\+/_/g'
echo -n ".ready.value "
echo -n "$line" | cut -f3 | tr -d '\n'
echo -n "$line" | jq -j '.messages_ready'
echo ""
echo -n "$line" | cut -f1 | tr -d '\n' | sed 's/[^a-z0-9]\+/_/g'
echo -n "$line" | jq -j '.name' | sed 's/[^a-z0-9]\+/_/g'
echo -n ".unacknowledged.value "
echo -n "$line" | cut -f4 | tr -d '\n'
echo -n "$line" | jq -j '.messages_unacknowledged'
echo ""
echo -n "$line" | cut -f1 | tr -d '\n' | sed 's/[^a-z0-9]\+/_/g'
echo -n "$line" | jq -j '.name' | sed 's/[^a-z0-9]\+/_/g'
echo -n ".persistent.value "
echo -n "$line" | cut -f5 | tr -d '\n'
echo -n "$line" | jq -j '.messages_persistent'
echo ""
done
IFS=$' \t\n'