checkbox 0.13.7 / usr / share / checkbox / scripts / virt_check

#!/bin/bash
# A short script to determine if the test machine will
# funtion properly as a Compute Node in an OpenStack 
# environment.

# First, let's see if we have processor flags
virt=$(egrep -m1 -w '^flags[[:blank:]]*:' /proc/cpuinfo | egrep -wo '(vmx|svm)')
[ "$virt" == "vmx" ] && brand="Intel"
[ "$virt" == "svm" ] && brand="AMD"
if [ -z "$virt" ]; then
    echo "INFO: Virtualization Flags not found" && exit 1
else
    echo "INFO: Virtualization flag $virt indicates $brand processor"
fi

# Now let's do some math
#mem_total=0
#for size in `dmidecode -t 17 | grep Size | grep -vi "No module" |awk '{print $2}'`
#do
#    mem_total=$(echo $mem_total + $size |bc)
#done
#
#if [ $mem_total -ge 4096 ]; then
#    echo "INFO: System has at least 4096MB, enough for a small Compute Node"
#    exit 0
#else
#    echo "INFO: System does not have enough RAM to successfully function as a Compute Node"
#    exit 1
#fi

# Before we implement the above, let's try this using dmidecode data first. DMI
# Type 16 returns a Physical Memory Array and may supply actual upper bounds.
dmi_mem=$(sudo dmidecode -t 16 | egrep "Maximum Capacity")
dmi_mem_amount=$(echo $dmi_mem | awk '{print $3}')
dmi_mem_unit=$(echo $dmi_mem | awk '{print $4}')
echo "INFO: System claims to support up to $dmi_mem_amount $dmi_mem_unit RAM"
if [ $dmi_mem_amount -ge 32 ]; then
    echo "INFO: System should function as a Compute Node"
else
    echo "INFO: System does not support enough RAM for a Compute Node"
fi

exit 0