mirror of
https://github.com/munin-monitoring/contrib.git
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90 lines
2.7 KiB
Bash
Executable File
90 lines
2.7 KiB
Bash
Executable File
#!/bin/zsh
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#
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# Created by Jan Rękorajski <baggins@pld-linux.org> based on vserver_cpu_ plugin.
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#
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# Obtained from https://github.com/munin-monitoring/contrib.git
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#
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# Changes by Andras Korn, 2015:
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#
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# * Convert to zsh
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# * Fix to remove dots from vserver names (replace them with _)
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# * Drop support for old (pre 2.6.19) kernels
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# * Replace cat | grep | cut pipelines with a single sed
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# * Add env.stripdomain (a domain name to strip from the
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# end of vserver names when generating labels; be sure
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# to include the leading dot)
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#
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# Graph Vserver cumulative cpu usage stats
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#
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# Configuration variables
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# vservers - specify the vservers to include in the graph (default: all)
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#
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# NOTE: If no configuration variable is set, the default will be used
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#
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# see vserver_resources for example uses of configuration files
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VSERVERS=(${=vservers})
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STRIPDOMAIN="$stripdomain"
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INFO=($(sed 's/.*:\t//' /proc/virtual/info 2>/dev/null || echo '<none>'))
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NAMELOC="nsproxy"
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if [[ -z "$VSERVERS" ]] ; then
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cd /proc/virtual
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XIDS=($(echo *(/)))
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else
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# it's really more performant to specify vservers by ids or by linking but not in the configuration-file by name
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XIDS=""
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for i in $VSERVERS[@] ; do
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if [[ -d /proc/virtual/$i ]] ; then
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XIDS=($XIDS[@] $i)
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else
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for j in /proc/virtual/*(/) -type d; do
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if [[ "$i" = $(sed -n '/NodeName/s/^NodeName:[[:space:]]*//p' $j/$NAMELOC) ]]; then
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XIDS=($XIDS[@] ${j:t})
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fi
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done
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fi
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done
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fi
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if [[ "$1" = "config" ]]; then
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echo 'graph_category virtualization'
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echo 'graph_args --base 1000'
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echo 'graph_title Vserver cpu usage'
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echo 'graph_vlabel jiffies used per ${graph_period}'
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echo 'graph_info Shows jiffies used on each vserver.'
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for i in $XIDS[@]; do
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LABEL=$(sed -n '/NodeName/s/^NodeName:[[:space:]]*//p' /proc/virtual/$i/$NAMELOC)
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LABEL=${LABEL%$STRIPDOMAIN}
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NAME=${LABEL//./_}
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NAME=${NAME//-/_}
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echo "${NAME}_hold.label on hold for cpu on $LABEL"
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echo "${NAME}_hold.info on hold for cpu on $LABEL."
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echo "${NAME}_hold.type COUNTER"
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echo "${NAME}_scpu.label system cpu usage for $LABEL"
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echo "${NAME}_scpu.info system cpu usage for $LABEL."
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echo "${NAME}_scpu.type COUNTER"
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echo "${NAME}_ucpu.label user cpu usage for $LABEL"
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echo "${NAME}_ucpu.info user cpu usage for $LABEL."
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echo "${NAME}_ucpu.type COUNTER"
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done
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exit 0
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fi
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for i in $XIDS[@]; do
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LABEL=$(sed -n '/NodeName/s/^NodeName:[[:space:]]*//p' /proc/virtual/$i/$NAMELOC)
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LABEL=${LABEL%$STRIPDOMAIN}
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NAME=${LABEL//./_}
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NAME=${NAME//-/_}
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awk -v name=$NAME -v u=0 -v s=0 -v h=0 '
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/^cpu [0-9]+:/ { u+=$3; s+=$4; h+=$5}
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END {
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print name "_hold.value " h
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print name "_scpu.value " s
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print name "_ucpu.value " u
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}' /proc/virtual/$i/sched
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done
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