Resizing Ubuntu Vagrant VM

gistfile1.txt

unless Vagrant.has_plugin?("vagrant-disksize")
  raise  Vagrant::Errors::VagrantError.new, "vagrant-disksize plugin is missing. Please install it using 'vagrant plugin install vagrant-disksize' and rerun 'vagrant up'"
end
Vagrant.configure("2") do |config|
  config.vm.box = "bento/ubuntu-20.04"
  config.disksize.size = '400GB'

  config.vm.provision "shell", inline: <<-SHELL
  ROOT_DISK_DEVICE="/dev/sda"
  ROOT_DISK_DEVICE_PART="/dev/sda3"
  LV_PATH=`lvdisplay -c | sed -n 1p | awk -F ":" '{print $1;}'`
  FS_PATH=`df / | sed -n 2p | awk '{print $1;}'`
  ROOT_FS_SIZE=`df -h / | sed -n 2p | awk '{print $2;}'`
  echo "The root file system (/) has a size of $ROOT_FS_SIZE"
  echo "> Increasing disk size of $ROOT_DISK_DEVICE to available maximum"
  sgdisk -e $ROOT_DISK_DEVICE
  sgdisk -d 3 $ROOT_DISK_DEVICE
  sgdisk -N 3 $ROOT_DISK_DEVICE
  partprobe  $ROOT_DISK_DEVICE
  pvresize $ROOT_DISK_DEVICE_PART
  lvextend -l 100%VG $LV_PATH
  resize2fs -p $FS_PATH
  pvresize $ROOT_DISK_DEVICE_PART
  ROOT_FS_SIZE=`df -h / | sed -n 2p | awk '{print $2;}'`
  echo "The root file system (/) has a size of $ROOT_FS_SIZE"
  apt-get update
  apt-get -y install ca-certificates curl gnupg lsb-release
  mkdir -p /etc/apt/keyrings
  curl -fsSL https://download.docker.com/linux/ubuntu/gpg | gpg --dearmor -o /etc/apt/keyrings/docker.gpg
  echo "deb [arch=amd64 signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
  apt-get update
  apt-get -y install docker-ce docker-ce-cli containerd.io docker-compose-plugin
  groupadd docker
  usermod -aG docker vagrant
  newgrp docker 
  systemctl enable docker.service
  systemctl enable containerd.service
  service docker start
  docker run hello-world
  SHELL
end