start.sh

#!/bin/sh
 
RESOL=3840x2160
 
# mail system
#postfix start
 
ARGS=$@
#echo ${ARGS[@]}
 
#1920x1080
myUID=1000
myGID=1000
PORTssh=22
 
export ConnectionId=$1
export POSTGRES_HOST=$2
export POSTGRES_PORT=$3
export POSTGRES_DB=$4
export POSTGRES_USER=$5
export POSTGRES_PASSWORD="$6"
 
if [ -z "$5" ]; then
    echo Usage: $0 ConnectionId POSTGRES_HOST POSTGRES_PORT POSTGRES_DB POSTGRES_USER POSTGRES_PASSWORD [-r RESOL_XxRESOL_Y] -p PORTssh -u UID [-g GID] [-d]
    exit 1
else
    IFS=' ' read -ra ADDR <<< "$ARGS"
 
    lenADDR=${#ADDR[@]}
    if [ ${lenADDR} -gt 0 ]; then
    i=6
    while [ $i -lt ${lenADDR} ]; do
        case "${ADDR[$i]}" in
        '-r') 
            RESOL=${ADDR[$((i+1))]};;
        '-u')
            myUID=${ADDR[$((i+1))]};;
        '-g')
            myGID=${ADDR[$((i+1))]};;
        '-p')
            PORTssh=${ADDR[$((i+1))]};;
        '-d')
            debug=true;;
        '.*')
            myGID=${myUID}
        esac
        i=$((i+2));
    done
fi
fi
 
 
/etc/init.d/postfix start
sed -e "s&#Port 22&Port $PORTssh&" -i /etc/ssh/sshd_config
/usr/libexec/openssh/sshd-keygen
/usr/sbin/sshd -E /var/log/sshd.log
 
groupadd -g ${myGID} myuser
useradd -r -u ${myUID} -g myuser myuser
HOME_user=/home/myuser
chmod 700 ${HOME_user}/.vnc
chown myuser:myuser ${HOME_user}
 
mkdir ${HOME_user}/.ssh
touch ${HOME_user}/.ssh/config
chown myuser:myuser -R ${HOME_user}/.ssh
chmod 600 ${HOME_user}/.ssh/config
 
LOGFILE=${HOME_user}/.vnc/$(hostname).log
touch $LOGFILE
chown myuser:myuser $LOGFILE
 
echo "start.sh with args : ${ARGS[*]}" >> $LOGFILE
 
if ! [ -e ${HOME_user}/.vnc/passwd ]; 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
    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}/.vnc 
 
# Change ldconfig paths if no nvidia device
if [ ! -e /dev/nvidia0 ]; then
    rm -f /etc/ld.so.conf.d/GL.conf
    ldconfig
fi
 
echo "start X "
 
xvfbLockFilePath="/tmp/.X1-lock"
if [ -f "${xvfbLockFilePath}" ]
then
    echo "Removing xvfb lock file '${xvfbLockFilePath}'..."
    if ! rm -v "${xvfbLockFilePath}"
    then
        echo "Failed to remove xvfb lock file" 1>&2
        exit 1
    fi
fi
 
echo "export HOSTNAME="${HOSTNAME} >> /etc/profile.d/env_variable.sh
 
# Set defaults if the user did not specify envs.
export DISPLAY=:1
#${XVFB_DISPLAY:-:1}
screen=${XVFB_SCREEN:-0}
resolution=${XVFB_RESOLUTION:-${RESOL}x24}
timeout=${XVFB_TIMEOUT:-5}
 
# Create the xstartup file
echo "#!/bin/bash
. /home/myuser/.bashrc
sleep 1
pgrep -fa Xvfb
export DISPLAY=$DISPLAY
if [ X\"$debug\" != X ]; then
   icewm-light &
fi
 
/opt/vnccommand &
 
sleep 1
if [ X\"$debug\" != X ]; then optDEB=1; fi
stty sane
export TERM=linux
xterm -rv  -geometry ${RESOL} -fa 'Adobe Courrier:size=12:antialias=true' -e /TiledViz/TVConnections/tvconnections.sh ${ConnectionId} ${POSTGRES_HOST} ${POSTGRES_PORT} ${POSTGRES_DB} ${POSTGRES_USER} '${POSTGRES_PASSWORD}' \$optDEB
" >${HOME_user}/.vnc/xstartup
chmod 755 ${HOME_user}/.vnc/xstartup
 
echo export DOCKERID=$DOCKERID >> ${HOME_user}/.bashrc
 
chown -R myuser:myuser ${HOME_user}/.vnc ${HOME_user}/.bashrc
 
# Run the vncserver
cd
echo $( hostname )
 
 
echo "#!/bin/bash
ssh-keygen -t ed25519 -N '' -f ~myuser/.ssh/id_ed25519
Xvfb ${DISPLAY} -screen 0 ${RESOL}x24 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
 
cat ${HOME_user}/startx
 
su - myuser -l -c ${HOME_user}/startx
#ls -al /root/.vnc/
#exec xterm 
 
 
# loopCount=0
# until xdpyinfo -display ${DISPLAY} > /dev/null 2>&1
# do
#     loopCount=$((loopCount+1))
#     sleep 1
#     if [ ${loopCount} -gt ${timeout} ]
#     then
#         echo "xvfb failed to start" 1>&2 
#         exit 1
#     fi
# done
 
# su - myuser -l -c "${HOME_user}/.vnc/xstartup "