Initial Commit

.github/workflows/main.yml

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+name: Docker Image CI
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set outputs
+      id: sha
+      run: echo "::set-output name=sha_short::$(git rev-parse --short HEAD)"
+    - name: docker login
+      env:
+        DOCKER_USER: ${{secrets.DOCKER_USER}}
+        DOCKER_PASSWORD: ${{secrets.DOCKER_PASSWORD}}
+      run: |
+        docker login -u $DOCKER_USER -p $DOCKER_PASSWORD
+    - name: Build the Docker image
+      run: docker build . --file dockerfile --tag ${{secrets.DOCKER_USER}}/${{ github.event.repository.name }} --tag ${{secrets.DOCKER_USER}}/${{ github.event.repository.name }}:${{ steps.sha.outputs.sha_short }}
+
+    - name: Docker Push SHA
+      run: docker push ${{secrets.DOCKER_USER}}/${{ github.event.repository.name }}:${{ steps.sha.outputs.sha_short }}     
+    - name: Docker Push Main
+      run: docker push ${{secrets.DOCKER_USER}}/${{ github.event.repository.name }}
+

VERSION

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+2024.3.1.2

dockerfile

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+ARG BASE_TAG="develop"
+ARG BASE_IMAGE="core-ubuntu-focal"
+FROM kasmweb/$BASE_IMAGE:$BASE_TAG
+USER root
+
+ENV HOME /home/kasm-default-profile
+ENV STARTUPDIR /dockerstartup
+ENV INST_SCRIPTS $STARTUPDIR/install
+WORKDIR $HOME
+
+######### Customize Container Here ###########
+
+
+COPY ./install/install_rdm.sh $INST_SCRIPTS/rdm/install_rdm.sh
+RUN bash $INST_SCRIPTS/rdm/install_rdm.sh  && rm -rf $INST_SCRIPTS/rdm/
+
+COPY ./install/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/backgrounds/bg_kasm.png /usr/share/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

install/custom_startup.sh

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+#!/usr/bin/env bash
+set -ex
+START_COMMAND="/usr/bin/remotedesktopmanager"
+PGREP="Remote Desktop Manager"
+export MAXIMIZE="true"
+export MAXIMIZE_NAME="Remote Desktop Manager"
+MAXIMIZE_SCRIPT=$STARTUPDIR/maximize_window.sh
+DEFAULT_ARGS="--no-sandbox"
+ARGS=${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
+        bash ${MAXIMIZE_SCRIPT} &
+        $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
+
+        echo "Entering process startup loop"
+        set +x
+        while true
+        do
+            if ! pgrep -x $PGREP > /dev/null
+            then
+                /usr/bin/filter_ready
+                /usr/bin/desktop_ready
+                set +e
+                bash ${MAXIMIZE_SCRIPT} &
+                $START_COMMAND $ARGS $URL &
+                set -e
+            fi
+            sleep 1
+        done
+        set -x
+
+    fi
+
+} 
+
+if [ -n "$GO" ] || [ -n "$ASSIGN" ] ; then
+    kasm_exec
+else
+    kasm_startup
+fi

install/install_rdm.sh

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+#!/usr/bin/env bash
+set -ex
+
+# Install Remote Desktop Manager from deb
+apt-get update
+curl -L -o remotedesktopmanager.deb  "https://cdn.devolutions.net/download/Linux/RDM/2024.3.1.2/RemoteDesktopManager_2024.3.1.2_amd64.deb"
+apt-get install -y ./remotedesktopmanager.deb
+rm remotedesktopmanager.deb
+
+# Desktop file setup
+cp /usr/share/applications/com.devolutionns.remotedesktopmanager.desktop $HOME/Desktop/remotedesktopmanager.desktop
+chmod +x $HOME/Desktop/remotedesktopmanager.desktop
+
+# Cleanup
+if [ -z ${SKIP_CLEAN+x} ]; then
+    apt-get autoclean
+    rm -rf \
+        /var/lib/apt/lists/* \
+        /var/tmp/* \
+        /tmp/*
+fi
+
+# Cleanup for app layer
+chown -R 1000:0 $HOME
+find /usr/share/ -name "icon-theme.cache" -exec rm -f {} \;