KASM-2379 RealVNC vncviewer image

This commit is contained in:
Justin Travis 2022-03-09 10:02:57 -05:00
parent 85d7c134f8
commit 720e454505
6 changed files with 141 additions and 1 deletions

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ARG BASE_TAG="develop"
FROM kasmweb/core-ubuntu-bionic:$BASE_TAG
USER root
ENV HOME /home/kasm-default-profile
ENV STARTUPDIR /dockerstartup
ENV INST_SCRIPTS $STARTUPDIR/install
WORKDIR $HOME
######### Customize Container Here ###########
COPY ./src/ubuntu/install/realvnc_vncviewer $INST_SCRIPTS/realvnc_vncviewer/
RUN bash $INST_SCRIPTS/realvnc_vncviewer/install_realvnc_vncviewer.sh && rm -rf $INST_SCRIPTS/realvnc_vncviewer/
COPY ./src/ubuntu/install/realvnc_vncviewer/custom_startup.sh $STARTUPDIR/custom_startup.sh
RUN chmod +x $STARTUPDIR/custom_startup.sh
RUN chmod 755 $STARTUPDIR/custom_startup.sh
# Update the desktop environment to be optimized for a single application
RUN cp $HOME/.config/xfce4/xfconf/single-application-xfce-perchannel-xml/* $HOME/.config/xfce4/xfconf/xfce-perchannel-xml/
RUN cp /usr/share/extra/backgrounds/bg_kasm.png /usr/share/extra/backgrounds/bg_default.png
RUN apt-get remove -y xfce4-panel
######### End Customizations ###########
RUN chown 1000:0 $HOME
ENV HOME /home/kasm-user
WORKDIR $HOME
RUN mkdir -p $HOME && chown -R 1000:0 $HOME
USER 1000

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# About This Image
This Image contains a browser-accessible version of [RealVNC vncviewer](https://www.realvnc.com/).
![Screenshot][Image_Screenshot]
[Image_Screenshot]: https://f.hubspotusercontent30.net/hubfs/5856039/dockerhub/image-screenshots/realvnc-vncviewer.png "Image Screenshot"
# Environment Variables
* `APP_ARGS` - Additional arguments to pass to the application when launched.

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RealVNC vncviewer for Kasm Workspaces

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#!/usr/bin/env bash
set -ex
START_COMMAND="/usr/bin/vncviewer"
PGREP="vncviewer"
MAXIMUS="false"
DEFAULT_ARGS=""
ARGS=${APP_ARGS:-$DEFAULT_ARGS}
options=$(getopt -o gau: -l go,assign,url: -n "$0" -- "$@") || exit
eval set -- "$options"
while [[ $1 != -- ]]; do
case $1 in
-g|--go) GO='true'; shift 1;;
-a|--assign) ASSIGN='true'; shift 1;;
-u|--url) OPT_URL=$2; shift 2;;
*) echo "bad option: $1" >&2; exit 1;;
esac
done
shift
# Process non-option arguments.
for arg; do
echo "arg! $arg"
done
FORCE=$2
kasm_exec() {
if [ -n "$OPT_URL" ] ; then
URL=$OPT_URL
elif [ -n "$1" ] ; then
URL=$1
fi
# Since we are execing into a container that already has the browser running from startup,
# when we don't have a URL to open we want to do nothing. Otherwise a second browser instance would open.
if [ -n "$URL" ] ; then
/usr/bin/filter_ready
/usr/bin/desktop_ready
$START_COMMAND $ARGS $OPT_URL
else
echo "No URL specified for exec command. Doing nothing."
fi
}
kasm_startup() {
if [ -n "$KASM_URL" ] ; then
URL=$KASM_URL
elif [ -z "$URL" ] ; then
URL=$LAUNCH_URL
fi
if [ -z "$DISABLE_CUSTOM_STARTUP" ] || [ -n "$FORCE" ] ; then
if [[ $MAXIMUS == 'true' ]] ; then
maximus &
fi
while true
do
if ! pgrep -x $PGREP > /dev/null
then
/usr/bin/filter_ready
/usr/bin/desktop_ready
set +e
$START_COMMAND $ARGS $URL
set -e
fi
sleep 1
done
fi
}
if [ -n "$GO" ] || [ -n "$ASSIGN" ] ; then
kasm_exec
else
kasm_startup
fi

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#!/usr/bin/env bash
set -ex
VNC_URL=$(curl -q https://www.realvnc.com/en/connect/download/viewer/linux/ | grep "DEB x64" | cut -d '"' -f6 | head -1)
wget -q $VNC_URL -O vnc.deb
apt-get update
apt-get install -y ./vnc.deb
rm vnc.deb
cp /usr/share/applications/realvnc-vncviewer.desktop $HOME/Desktop/
chmod +x $HOME/Desktop/realvnc-vncviewer.desktop
chown 1000:1000 /usr/share/applications/realvnc-vncviewer.desktop