add gpu passthrough support as well as dynamic OpenCore regeneration

helm/Dockerfile

@@ -0,0 +1,72 @@
+#!/usr/bin/docker
+#
+# This Dockerfile is to be consumed with the docker_osx helm templates. It consumes the
+#  Ubuntu image so that OpenCore.qcow2 can be re-generated (which happens in Kube itself),
+#  not to mention that OSX-KVM was written for Ubuntu. This was not designed to be run in Docker
+#  by itself.. very well anyway.
+#
+
+FROM ubuntu:21.04
+
+SHELL ["/bin/bash", "-c"]
+
+# this has to match .Values.image.userName in helm template
+ARG USER=ubuntu
+# this installs the kvm linux kernel in the docker container so that OpenCore.qcow2 boot images
+#  can be built.
+ARG DOCKER_KERNEL_VERSION=linux-image-kvm
+
+ENV TZ=America/Los_Angeles
+ARG DEBIAN_FRONTEND=noninteractive
+
+RUN DEBCONF_FRONTEND=noninteractive apt update \
+        && apt install \
+            bridge-utils \
+            fish \
+            git wget \
+            libguestfs-tools \
+            libvirt-daemon-system \
+            $DOCKER_KERNEL_VERSION \
+            p7zip-full \
+            qemu \
+            sudo \
+            uml-utilities \
+            virt-manager \
+            -y
+
+# Configure SSH
+RUN apt install git vim nano alsa-utils openssh-server -y
+
+# Create user and grant sudo privledges
+RUN adduser --disabled-password \
+        --gecos '' $USER \
+        && echo "$USER ALL=(ALL) NOPASSWD: ALL" > /etc/sudoers.d/$USER \
+        && chmod 0440 /etc/sudoers.d/$USER
+
+# Configure VNC for user
+RUN apt install \
+        dbus-x11 \
+        openbox \
+        tigervnc-common \
+        tigervnc-standalone-server \
+        xfce4 \
+        xfce4-goodies \
+        x11-xserver-utils \
+        xdotool \
+        xorg \
+        xterm \
+        ufw \
+        -y
+
+USER $USER
+
+# only create ~/.vnc as helm will build out ~/.vnc/config
+RUN mkdir -p ${HOME}/.vnc
+
+RUN git clone --depth 1 https://github.com/kholia/OSX-KVM.git /home/$USER/OSX-KVM
+
+VOLUME ["/tmp/.X11-unix"]
+
+WORKDIR /home/$USER/OSX-KVM
+# helm will build out ./Launch_custom.sh
+CMD envsubst < ./Launch_custom.sh | bash