opencpu-server.postinst

#!/bin/sh
# TODO: do not hardcode 'www-data'

set -e

case "$1" in
  configure)
    :
    # Adding OpenCPU User.
    echo "Adding opencpu user account"

    # On Debian we need to generate locales manually
    localedef -i en_US -f UTF-8 en_US.UTF-8 || true

    # The --system flags disables interactive login. We want to use that for rstudio now.
    # The user will still be disabled for login until it gets a passwd
    useradd opencpu -g www-data -N -m -d/home/opencpu -c"OpenCPU Server" || true
    # useradd opencpu --system -g www-data -d/tmp -c"OpenCPU Server" || true

    # Legacy fixes for OpenCPU 1.0 installations
    usermod -g www-data opencpu || true
    mkdir -p /home/opencpu || true
    chown opencpu /home/opencpu || true

    # Create opencpu site-library
    mkdir -p /usr/local/lib/opencpu/site-library
    chown opencpu /usr/local/lib/opencpu/site-library
    echo "R_LIBS_USER='/usr/local/lib/opencpu/site-library'" > /home/opencpu/.Renviron

    echo "Creating log files..."
    touch /var/log/opencpu/access.log
    touch /var/log/opencpu/error.log

    # Note: maybe not needed for each update?
    echo "Taking ownership of system directories..."
    chown -f opencpu /var/log/opencpu/*
    chgrp -f www-data /var/log/opencpu/*

    # Commented out: these should only be writable by apt/root?
    #chown -Rf opencpu /etc/opencpu
    #chgrp -Rf www-data /etc/opencpu
    #chown -Rf opencpu /usr/lib/opencpu
    #chgrp -Rf www-data /usr/lib/opencpu

    # Set writable for both apache as well as admin user 'opencpu'
    mkdir -p /usr/local/lib/opencpu/apps
    chown -f opencpu /usr/local/lib/opencpu/apps
    chgrp -f www-data /usr/local/lib/opencpu/apps
    chmod g+ws /usr/local/lib/opencpu/apps

    echo "Making scripts executable..."
    chmod +x /usr/lib/opencpu/scripts/*.sh

    #In Apache 2.4 we need to make sure mpm_prefork is enabled
    if command -v a2query >/dev/null 2>&1; then
      if a2query -q -m mpm_event; then
        a2dismod mpm_event || true
      fi
      if a2query -q -m mpm_worker; then
        a2dismod mpm_worker || true
      fi
      if a2query -q -m mpm_itk; then
        a2dismod mpm_itk || true
      fi
      a2enmod mpm_prefork || true
    fi

    #setup rstudio proxy
    a2enmod proxy 2>&1 >/dev/null | grep -i 'error' || true
    a2enmod proxy_http 2>&1 >/dev/null | grep -i 'error' || true
    a2ensite rstudio 2>&1 >/dev/null | grep -i 'error' || true

    #try to enable ssl site
    a2enmod ssl 2>&1 >/dev/null | grep -i 'error' || true
    a2ensite default-ssl 2>&1 >/dev/null | grep -i 'error' || true

    #enable opencpu site
    echo "Enabling opencpu in apache..."
    a2ensite opencpu 2>&1 >/dev/null | grep -i 'error' || true

    #reload apparmor
    echo "Reloading apparmor..."
    service apparmor reload 2>&1 >/dev/null | grep -i 'error' || true

    echo "Restarting apache..."
    service apache2 restart 2>&1 >/dev/null | grep -i 'error' || true

    #done
    echo "Installation done!"

    #remove opencpu 1.0 remenants
    rm -f /etc/cron.d/opencpu-* || true
    systemctl disable opencpu 2>/dev/null || true
    update-rc.d -f opencpu remove || true

    #enable ocpucleanup.timer in systemd
    if [ -e "/bin/systemctl" ]; then
      systemctl daemon-reload || true
      systemctl start cleanocpu.timer || true
      systemctl restart systemd-tmpfiles-clean || true
    fi
    ;;
  abort-upgrade | abort-remove | abort-deconfigure)
    :
    ;;
  *) echo "$0: didn't understand being called with \`$1'" 1>&2
     exit 1;;
esac

#DEBHELPER#

exit 0