#!/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.$$ &
    sudo du -sk "/var/lib/libvirt/images/${vm}/${vm}.qcow2" 2>/dev/null | awk '{ printf "%.2f", $1/1024/1024 }' > /tmp/disk.$$ &
    
    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