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#!/bin/bash
# takes in vm name, os type, vcpu, ram, disk as argument
# takes in already generated seed iso and downloaded vm.iso file
vmname=$1
os=$2
vcpu=$3
ram_gb=$4
disk_gb=$5
#echo "$vmname $os $vcpu $ram_gb $disk_gb"
if [ $# -ne 5 ]; then
echo "Usage: $0 <vm-name> <os> <vcpu> <ram(gb)> <disk(gb)>"
echo "seed.iso and image file have to be present!"
echo ""
echo "Available images"
sudo ls /var/lib/libvirt/images/.image_store
exit 1
fi
scriptdir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )" #&& echo $scriptdir
workingdir="/var/lib/libvirt/images/.temp"
seed_iso="${workingdir}/seed.iso"
xml="${workingdir}/xml"
image_dir_path="/var/lib/libvirt/images/.image_store"
src_file="${image_dir_path}/${os}.qcow2"
new_vm="/var/lib/libvirt/images/${vmname}.qcow2"
if [ ! -f "${src_file}" ]; then
echo -e "${os} image file is cannot be found. please make it available in ${image_dir_path}"
exit 1
fi
sudo cp "$src_file" "$new_vm" &> /dev/null || { echo "Failed to create a new image."; exit 1; }
if sudo virsh list --all | awk "\$2==\"$vmname\"" | grep -q .; then
echo -e "\n$vmname already exist. Delete it before using the same name."
exit 1
fi
sudo virt-install --name $vmname \
--vcpus $vcpu \
--memory "$((ram_gb * 1024))"\
--disk path=$new_vm,format=qcow2 \
--disk path=$seed_iso,device=cdrom \
--os-type linux \
--os-variant $os \
--virt-type kvm \
--graphics none \
--network bridge=virbr0,model=virtio \
--print-xml > $xml #|| { echo "Failed to print XML."; exit 1; }
sudo virsh define $xml #&> /dev/null || { echo "Failed to define the new VM."; exit 1; }
sudo qemu-img resize $new_vm +$disk_gb"G" #&> /dev/null
sudo virsh start $vmname
#sudo rm "${workingdir}"/*
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