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54 lines
1.9 KiB
Bash
Executable File
54 lines
1.9 KiB
Bash
Executable File
#!/bin/bash
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#
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# evaluate the current cpu usage of every vm running on this host
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# separated by time spend in user mode and kernel mode
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#
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# Date: 2011-09-09
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# Author: Gerald Schnabel ger@ldschnabel.de
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#
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# Usage: Place in /etc/munin/plugins (or link it there using ln -s)
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#
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# This plugin has to run with the same user like the VirtualBox Server rans
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# Update munin plugin-conf.d/munin-node file with
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# [virtualbox_*]
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# user VIRTUAL_BOX_SERVER_USER
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#
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# Parameters understood:
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#
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# config (required)
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# autoconf (optional - used by munin-config)
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#
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# Versions
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# 2013-05-25 robi fix for handling vm names with dots and dashes; separate Kernel and User CPU graphs
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# 2011-09-22 ger@ldschnabel.de fix for handling vm names with spaces and setup metric period to get values
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# 2011-09-09 ger@ldschnabel.de initial version
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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 [ "$1" = "config" ]; then
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echo 'graph_title Kernel CPU used by virtual machines'
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echo "graph_args --base 1000 -r --lower-limit 0 "
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echo 'graph_vlabel %'
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echo 'graph_scale no'
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echo 'graph_info This graph shows the percentage of processor time spent in kernel mode by the every single VM process.'
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echo 'graph_category Virtualization'
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echo 'graph_period second'
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vboxmanage list vms | sed -r 's/^\"(.*)\" \{.*\}$/\1/' | while read -r VM_NAME; do
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VM_NAME_PRINT=$(echo -e "${VM_NAME}" | sed 's/[^A-Za-z0-9_]/_/g')
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echo "${VM_NAME_PRINT}_kernel.label ${VM_NAME}"
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done
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exit 0
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fi
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vboxmanage metrics setup --period 5 --samples 3
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sleep 5
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vboxmanage list vms | sed -r 's/^\"(.*)\" \{.*\}$/\1/' | while read -r VM_NAME; do
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VM_NAME_PRINT=$(echo -e "${VM_NAME}" | sed 's/[^A-Za-z0-9_]/_/g')
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vboxmanage metrics query "${VM_NAME}" CPU/Load/Kernel | grep -E "^${VM_NAME}" | sed -r 's/^.*([0-9]+\.[0-9]+)%/'"${VM_NAME_PRINT}"'_kernel.value \1/'
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done
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