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rimelek/libvit-vm-init.sh

Last active May 11, 2024 15:18
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Revisions

  1. rimelek revised this gist May 11, 2024. 1 changed file with 1 addition and 1 deletion.
    2 changes: 1 addition & 1 deletion libvit-vm-init.sh
    View file
    Original file line number Diff line number Diff line change
    @@ -1,6 +1,6 @@
    #!/usr/bin/env bash

    # This script createa and starts Ubuntu in a VM
    # This script creates a and starts an Ubuntu VM

    # requirements:
    # - libvirt
  2. rimelek revised this gist May 11, 2024. 1 changed file with 1 addition and 1 deletion.
    2 changes: 1 addition & 1 deletion libvit-vm-init.sh
    View file
    Original file line number Diff line number Diff line change
    @@ -16,7 +16,7 @@ vm_disk_dir="/mnt/data/libvirt-storage"
    vm_disk_size="20G"
    vm_disk_name="$vm_name"

    vm_memory="2048" # in mebibtes
    vm_memory="2048" # in mebibytes
    vm_vcpus="2"

    vm_lan_bridge="br0"
  3. rimelek created this gist May 11, 2024.
    77 changes: 77 additions & 0 deletions libvit-vm-init.sh
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,77 @@
    #!/usr/bin/env bash

    # This script createa and starts Ubuntu in a VM

    # requirements:
    # - libvirt
    # - vit-manager

    set -eu -o pipefail

    vm_name="libvirt-lan-test"
    vm_hostname="$vm_name"
    vm_root_pass="password"

    vm_disk_dir="/mnt/data/libvirt-storage"
    vm_disk_size="20G"
    vm_disk_name="$vm_name"

    vm_memory="2048" # in mebibtes
    vm_vcpus="2"

    vm_lan_bridge="br0"
    vm_lan_mac="52:54:00:01:01:01"

    ubuntu_codename="jammy"
    ubuntu_arch="amd64"

    force_download="false"

    # do not modify

    vm_disk_path="$vm_disk_dir/$vm_disk_name.qcow2"
    vm_base_disk_remote_url="https://cloud-images.ubuntu.com/$ubuntu_codename/current/${ubuntu_codename}-server-cloudimg-${ubuntu_arch}-disk-kvm.img"
    vm_base_disk_dir="$vm_disk_dir/base"
    vm_base_disk_path="$vm_base_disk_dir/$ubuntu_codename.qcow2"


    mkdir -p "$vm_disk_dir/base"
    if [[ ! -f "$vm_base_disk_path" ]] || [[ "$force_download" == "true" ]]; then
    curl -L "$vm_base_disk_remote_url" --output "$vm_base_disk_path"
    fi

    cp "$vm_base_disk_path" "$vm_disk_path"

    vm_netplan_file="
    network:
    version: 2
    renderer: networkd
    ethernets:
    lan:
    dhcp4: true
    link-local: []
    match:
    macaddress: $vm_lan_mac
    "

    virt-customize \
    -a "$vm_disk_path" \
    --root-password "password:$vm_root_pass" \
    --run-command "dpkg-reconfigure -f noninteractive openssh-server" \
    --upload <(echo "$vm_netplan_file"):/etc/netplan/main.yaml

    virt-install \
    --name "$vm_disk_name" \
    --disk "path=$vm_disk_path,format=qcow2" \
    --memory "$vm_memory" \
    --os-variant="ubuntu${ubuntu_codename}" \
    --vcpus "$vm_vcpus" \
    --network "bridge=$vm_lan_bridge,model=virtio,mac=$vm_lan_mac" \
    --graphics none \
    --autoconsole none \
    --import

    echo "Run the following command to attach to the console of the VM:"
    echo
    echo "virsh console $vm_name"
    echo