67 lines
2.4 KiB
Bash
Executable File
67 lines
2.4 KiB
Bash
Executable File
#!/bin/bash
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#
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# evaluate the current ram usage of every vm running on this host
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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_ram]
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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; scale graph size by the max memory available; display GB on scales and legend
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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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# Todo: sort
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# readarray -t sorted < <(printf '%s\0' "${array[@]}" | sort -z | xargs -0n1)
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# see http://stackoverflow.com/questions/7442417/how-to-sort-an-array-in-bash
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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 [ "$1" = "config" ]; then
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RAMTOT=$(free -b | grep Mem | awk '{print $2}')
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echo 'graph_title Memory usage of virtual machines'
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echo "graph_args --base 1024 -r --lower-limit 0 --upper-limit $RAMTOT --units-exponent 9"
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echo 'graph_vlabel GB'
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echo 'graph_info This graph shows the ram usage of every single VM process.'
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echo 'graph_category virtualization'
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echo 'graph_period second'
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I=0
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vboxmanage list vms | sed -r 's/^\"(.*)\" \{.*\}$/\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}.label ${VM_NAME}"
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echo "${VM_NAME_PRINT}.cdef ${VM_NAME_PRINT},1024,*"
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if [ "$I" -eq 0 ]; then
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echo "${VM_NAME_PRINT}.draw AREA"
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else
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echo "${VM_NAME_PRINT}.draw STACK"
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fi
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I=$(( I + 1 ))
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done
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exit 0
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fi
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vboxmanage metrics setup --period 5 --samples 3
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sleep 5
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vboxmanage list vms | sed -r 's/^\"(.*)\" \{.*\}$/\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') # s/[.]/_/g;s/[ ]/_/g;s/[-]/_/g
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vboxmanage metrics query "${VM_NAME}" RAM/Usage/Used | grep -E "^${VM_NAME}" | sed -r 's/^.* ([0-9]+) kB$/'"${VM_NAME_PRINT}"'.value \1/'
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done
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