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#!/bin/bash
printf "%-10s %-15s %-8s %-6s %-8s %-12s %-10s\n" "Network" "IP" "State" "vCPUs" "RAM(GB)" "Disk(GB)" "Name"
printf "%-10s %-15s %-8s %-6s %-8s %-12s %-10s\n" "----------" "---------------" "--------" "-----" "-------" "-----------" "----------"
# Get all VMs
vms=$(sudo virsh list --name --all)
# Cache the network leases once
default_leases=$(sudo virsh net-dhcp-leases default 2>/dev/null)
for vm in $vms; do
# Get XML once and use it multiple times
xml=$(sudo virsh dumpxml "$vm" 2>/dev/null)
# Extract all data from the cached XML
mac=$(echo "$xml" | grep "mac address" | awk -F\' '{ print $2}')
net=$(echo "$xml" | grep "<source network" | awk -F\' '{print $2}')
if [ -z "$net" ]; then
net="default"
fi
# Use cached leases
ip=$(echo "$default_leases" | grep "$mac" | awk '{print $5}' | cut -f1 -d'/')
# Run commands in background and save to temp files
sudo virsh domstate "$vm" 2>/dev/null > /tmp/state.$$ &
echo "$xml" | grep "<vcpu" | awk -F'[<>]' '{print $3}' > /tmp/vcpus.$$ &
echo "$xml" | grep "<memory" | awk -F'[<>]' '{print $3}' | awk '{ printf "%.2f", $1/1048576 }' > /tmp/ram.$$ &
sudo du -sk "/var/lib/libvirt/images/${vm}.qcow2" 2>/dev/null | awk '{ printf "%.2f", $1/1024/1024 }' > /tmp/disk.$$ &
wait
# Read from temp files
state=$(cat /tmp/state.$$ 2>/dev/null)
vcpus=$(cat /tmp/vcpus.$$ 2>/dev/null)
ram=$(cat /tmp/ram.$$ 2>/dev/null)
disk=$(cat /tmp/disk.$$ 2>/dev/null)
# Clean up temp files
rm -f /tmp/state.$$ /tmp/vcpus.$$ /tmp/ram.$$ /tmp/disk.$$
printf "%-10s %-15s %-8s %-6s %-8s %-12s %-10s\n" \
"$net" "$ip" "$state" "$vcpus" "$ram" "$disk" "$vm"
done
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