docker_x11

#!/bin/bash

# Get Inputs
DOCKER_IMAGE=${@}

# Check Environment
if [ $(uname) == 'Linux' ]; then
	echo "Detected Host System: Linux"
	# Setup xauth file location; Remove if exists
	echo "Setting up X11 forwarding for User: ${USER}"
	XTEMP=/tmp/.docker.xauth.${USER}
	if [ -e ${XTEMP} ]; then
		rm -f ${XTEMP}
	fi

	# Create new xauth file
	touch ${XTEMP}

	# modify xauth file
	xauth nlist $(hostname)/unix:${DISPLAY:1:1} | sed -e 's/^..../ffff/' | xauth -f ${XTEMP} nmerge -

	# Run docker
	echo "Running Image..."
	docker run -it --rm \
		-e DISPLAY=${DISPLAY} \
		-e QT_X11_NO_MITSHM=1 \
		-v ${XTEMP}:${XTEMP} \
		-e XAUTHORITY=${XTEMP} \
		--device=/dev/dri:/dev/dri \
		-v /tmp/.X11-unix:/tmp/.X11-unix \
		--net=host \
        -v $(echo ${HOME}):/home \
		${DOCKER_IMAGE[*]}

	# Clean up auth file when done
	if [ -e ${XTEMP} ]; then
		rm -f ${TEMP}
	fi

elif [ $(uname) == 'Darwin' ]; then
	echo "Detected Host System: macOS"
    echo "Running Docker with X11 requires XQuartz."
    echo "The 'Allow connections from network clients' must also be enabled."
    echo "This can be found under XQuartz-->Preferences-->Security."
    echo "You must also enable indirect GLX. You can do this with the following terminal command:"
    echo "    defaults write org.macosforge.xquartz.X11 enable_iglx -bool true"

    # Open Xquartz
    echo "Opening XQuartz..."

    # Add IP to xhost
    IP=$(ifconfig en0 | grep inet | awk '$1=="inet" {print $2}')
    xhost + ${IP}

    # Get display number
    DISPLAY_NUM=`ps -ef | grep "Xquartz :\d" | grep -v xinit | awk '{ print $9; }'`

    docker run -it --rm --privileged \
        -e DISPLAY=${IP}${DISPLAY_NUM} \
        -v /tmp/.X11-unix:/tmp/.X11-unix \
        -v $(echo ${HOME}):/home \
        ${DOCKER_IMAGE[*]}
fi