#!/bin/bash # Default values DEFAULT_MEMORY=4096 DEFAULT_DISK_SIZE=10 # Prompt user for memory size read -r -p "Enter memory size in MB or press Enter to keep default value: $DEFAULT_MEMORY): " memory_size memory_size=${memory_size:-$DEFAULT_MEMORY} # Validate memory size if ! [[ "$memory_size" =~ ^[0-9]+$ ]] || (( memory_size < 2048 )); then echo "Invalid memory size. Must be a number greater than or equal to 2048. Using default value of $DEFAULT_MEMORY." memory_size=$DEFAULT_MEMORY fi # Prompt user for disk size read -r -p "Enter disk size in GB (default: $DEFAULT_DISK_SIZE): " disk_size disk_size=${disk_size:-$DEFAULT_DISK_SIZE} # Validate disk size if ! [[ "$disk_size" =~ ^[0-9]+$ ]] || (( disk_size < 10 )); then echo "Invalid disk size. Must be a number greater than or equal to 10 GiB. Using default value of $DEFAULT_DISK_SIZE." disk_size=$DEFAULT_DISK_SIZE fi # Get a list of files in the directory dishes without extensions mapfile -t dish_name < <(find "dishes/" -maxdepth 1 -type f -printf "%f\n" | sed 's/\.[^.]*$//') # Check if there are any files if [ ${#dish_name[@]} -eq 0 ]; then echo "No files found in the directory ../dishes." exit 1 fi # Display the files with numbered options echo "Available files:" for i in "${!dish_name[@]}"; do echo "$((i + 1)). ${dish_name[$i]}" done # Prompt the user to select a file read -r -p "Enter the number of the file you want to select: " choice # Validate the user's choice if ! [[ "$choice" =~ ^[0-9]+$ ]] || (( choice < 1 )) || (( choice > ${#dish_name[@]} )); then echo "Invalid choice. Please enter a number from 1 to ${#dish_name[@]}." exit 1 fi # Get the selected filename vm_name="${dish_name[$((choice - 1))]}" # Output the selected filename echo "You selected: $vm_name" # virt-install command with user-defined VM name virt-install \ --connect qemu:///system \ --os-variant fedora41 \ --virt-type kvm \ --arch x86_64 \ --machine q35 \ --name "$vm_name" \ --boot uefi \ --cpu host-model,topology.sockets=1,topology.cores=2,topology.threads=2 \ --vcpus 4 \ --memory "$memory_size" \ --video virtio \ --channel unix,target.type=virtio,target.name=org.qemu.guest_agent.0 \ --autoconsole none \ --console pty,target.type=virtio \ --sound none \ --network type=default,model=virtio \ --controller type=virtio-serial \ --controller type=usb,model=none \ --controller type=scsi,model=virtio-scsi \ --input type=keyboard,bus=virtio \ --input type=tablet,bus=virtio \ --rng /dev/urandom,model=virtio \ --disk path=/var/lib/libvirt/images/"$vm_name".img,format=raw,bus=virtio,cache=writeback,size="$disk_size" \ --location=https://download.fedoraproject.org/pub/fedora/linux/releases/42/Everything/x86_64/os/ \ --initrd-inject ./dishes/"$vm_name".cfg \ --extra-args "inst.ks=file:/$vm_name.cfg" echo "virt-install command executed with VM name: $vm_name"