start.sh

#!/bin/sh
 
RESOL=3840x2160
 
ARGS=$@
#echo ${ARGS[@]}
 
#1920x1080
myUID=1000
myGID=1000
myPORT=55555
myFront=localhost
if [ -z "$1" ]; then
    echo Usage: $0 [-r RESOL_XxRESOL_Y] -u UID [-g GID] -p PORTserver -h Frontend
    exit 1
else
    IFS=' ' read -ra ADDR <<< "$ARGS"
    lenADDR=${#ADDR[@]}
    if [ ${lenADDR} -gt 0 ]; then
    i=0
    while [ $i -lt ${lenADDR} ]; do
        case "${ADDR[$i]}" in
        '-r') 
            RESOL=${ADDR[$((i+1))]};;
        '-u')
            myUID=${ADDR[$((i+1))]};;
        '-g')
            myGID=${ADDR[$((i+1))]};;
        '-p')
            myPORT=${ADDR[$((i+1))]};;
        '-h')
            myFront=${ADDR[$((i+1))]};;
        '.*')
            myGID=${myUID}
        esac
        i=$((i+2));
    done
fi
fi
 
 
groupadd -g ${myGID} myuser
useradd -r -u ${myUID} -g myuser myuser
HOME_user=/home/myuser
if [ -d ${HOME_user} ]; then
    mkdir -p ${HOME_user}/.vnc
fi 
chmod 700 ${HOME_user}/.vnc
chown -R myuser:myuser ${HOME_user}
 
chmod 600 ${HOME_user}/.ssh/config
 
LOGFILE=${HOME_user}/.vnc/log
touch $LOGFILE
chown myuser:myuser $LOGFILE
 
echo "start.sh with args : ${ARGS[*]}" >> $LOGFILE
 
export LD_LIBRARY_PATH=/usr/local/lib64:/usr/lib64
if ! [ -e ${HOME_user}/.vnc/passwd ]; then
    if [ -z "$VNC_PASSWORD" ]; then
        choose() { echo -n ${1:$((RANDOM%${#1})):1}; }
        password=$({
            for i in $(seq 1 8); do
                choose "-._+0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
            done
        })
        echo Random Password Generated: $password |tee -a $LOGFILE
        echo "$password" |xargs -I@ x11vnc -storepasswd @ ${HOME_user}/.vnc/passwd
    else
        echo "$VNC_PASSWORD" |xargs -I@ x11vnc -storepasswd @ ${HOME_user}/.vnc/passwd
    fi
    chmod 600 ${HOME_user}/.vnc/passwd
 
    sleep 1
else
    echo Random Password Generated: $(x11vnc -showrfbauth ${HOME_user}/.vnc/passwd |tail -1 |sed -e 's/.*pass: //' ) |tee -a $LOGFILE
fi
chown -R myuser:myuser ${HOME_user} 
 
# Change ldconfig paths if no nvidia device
if [ ! -e /dev/nvidia0 ]; then
    rm -f /etc/ld.so.conf.d/GL.conf
    ldconfig
fi
 
echo "allowed_users = anybody" >> /etc/X11/Xwrapper.config
#mknod -m 666 /dev/tty16 c 5 0
 
echo "start X "
export DISPLAY=:1
 
# Create the xstartup file
echo "#!/bin/bash 
source ~/.bashrc
export DISPLAY=$DISPLAY
sleep 1
xterm -rv -geometry ${RESOL}-0-0 -e /opt/client_python ${DOCKERID} ${myPORT} ${myFront} &
 
sleep 1
icewm-light
xterm
#unset SESSION_MANAGER
#unset DBUS_SESSION_BUS_ADDRESS
" >${HOME_user}/.vnc/xstartup
chmod 755 ${HOME_user}/.vnc/xstartup
 
chown -R myuser:myuser ${HOME_user}
 
echo export DOCKERID=$DOCKERID >> ${HOME_user}/.bashrc
 
 
cd
echo $( hostname )
 
echo "#!/bin/bash 
export LD_LIBRARY_PATH=/usr/local/lib64:/usr/lib64:/usr/lib64/dri:/usr/lib64/nvidia390
#LD_PRELOAD=/usr/lib64/nvidia-current/libGL.so.1 
/usr/bin/vncserver -geometry ${RESOL}  -fg  2>&1 |tee -a $LOGFILE
#sleep 2
#${HOME_user}/.vnc/xstartup
" >${HOME_user}/startx
chown myuser:myuser ${HOME_user}/startx
chmod a+x ${HOME_user}/startx
 
chown -R myuser:myuser ${HOME_user}
 
# Start and wait for either Xvnc to be fully up or we hit the timeout.
su - myuser -l -c ${HOME_user}/startx
#ls -al /root/.vnc/
#exec xterm