Vagrant QEMU Plugin - qemu command

vagrant_qemu_command.sh

#####
# qemu command created by vagrant-qemu plugin example
#
# Description: 
#  This is an example of what the vagrant-qemu plugin creates.
#  I am not sure if any of this works, this shell script is theory 
#  crafting for documentation and understanding.
##########################################

#####################
# Create System using vagrant
##########################################
vagrant plugin install vagrant-qemu
PROJ_DIR="$HOME/myprojects/qemu_ubuntu"

cd $PROJ_DIR
cat << 'EOF' > Vagrantfile
Vagrant.configure("2") do |config|
  config.vm.box = "generic/ubuntu2204"
  config.vm.provider "qemu" do |qe|
    qe.ssh_port = "50022" # change ssh port as needed
    qe.qemu_dir = "/usr/local/share/qemu"
    qe.arch = "x86_64"
    qe.machine = "q35,accel=hvf"
    qe.net_device = "virtio-net-pci"
  end
end
EOF

# download, start, stop, destroy guest system
vagrant up --provider=qemu
vagrant halt
vagrant destroy

#####################
# Create System using qemu
##########################################
MACHINE_ID=$(ls -d .vagrant/machines/default/qemu/*/ \
  | tr '/' ' ' \
  | awk '{ print $NF }'
)
PLUGIN_PATH="$HOME/.vagrant.d/tmp/vagrant-qemu"
IMG_PATH="$PROJ_DIR/.vagrant/machines/default/qemu/$MACHINE_ID/linked-box.img"
PID_PATH="$PROJ/.vagrant/machines/default/qemu/$MACHINE_ID/qemu.pid"
SOCKET_PATH="$PLUGIN_PATH/$MACHINE_ID/qemu_socket"
SERIAL_PATH="$PLUGIN_PATH/$MACHINE_ID/qemu_socket_serial"

## create system using qemu command
qemu-system-x86_64 \
 -machine virt,accel=hvf,highmem=on \
 -cpu host \
 -smp 2 \
 -m 4G \
 -device virtio-net-device,netdev=net0 \
 -netdev user,id=net0,hostfwd=tcp::50022-:22 \
 -drive if=virtio,format=qcow2,file="$IMG_PATH" \
 -chardev socket,id=mon0,path=$SOCKET_PATH,server=on,wait=off \
 -mon chardev=mon0,mode=readline \
 -chardev socket,id=ser0,path=$SERIAL_PATH,server=on,wait=off \
 -serial chardev:ser0 \
 -pidfile $PID_PATH \
 -daemonize \
 -parallel null \
 -monitor none \
 -display none \
 -vga none 
 
#####################
# SSH into guest
##########################################
cat << EOF > my.ssh_config
Host qemu_ubuntu
  HostName 127.0.0.1
  User vagrant
  Port 50022
  UserKnownHostsFile /dev/null
  StrictHostKeyChecking no
  PasswordAuthentication no
  IdentityFile $PROJ_DIR/vagrant/.vagrant/machines/default/qemu/private_key
  IdentitiesOnly yes
  LogLevel FATAL
  PubkeyAcceptedKeyTypes +ssh-rsa
  HostKeyAlgorithms +ssh-rsa
EOF

## Login
ssh -F my.ssh_config qemu_ubuntu