attempt to add squash stuff. Tailscale works!

squashdisplay/scripts/setup-host.sh

@@ -0,0 +1,180 @@
+#!/bin/sh
+# Host setup script - runs inside privileged container to configure the host
+
+set -e
+
+echo "Starting Squash Display kiosk setup..."
+
+# Function to run commands on the host
+host_exec() {
+    nsenter -t 1 -m -u -i -n -p -- "$@"
+}
+
+# Install required packages
+echo "Installing required packages..."
+host_exec apt-get update
+host_exec apt-get install -y chromium-browser xorg xinit x11-xserver-utils unclutter || \
+host_exec apt-get install -y chromium xorg xinit x11-xserver-utils unclutter
+
+# Create kiosk user if it doesn't exist
+if ! host_exec id -u ${KIOSK_USER} >/dev/null 2>&1; then
+    echo "Creating user ${KIOSK_USER}..."
+    host_exec useradd -m -s /bin/bash ${KIOSK_USER}
+    host_exec usermod -aG video,audio ${KIOSK_USER}
+fi
+
+# Setup auto-login if enabled
+if [ "${ENABLE_AUTO_LOGIN}" = "true" ]; then
+    echo "Configuring auto-login for ${KIOSK_USER}..."
+    
+    # Create systemd override for getty@tty1
+    host_exec mkdir -p /etc/systemd/system/getty@tty1.service.d
+    cat <<EOF | host_exec tee /etc/systemd/system/getty@tty1.service.d/autologin.conf
+[Service]
+ExecStart=
+ExecStart=-/sbin/agetty --autologin ${KIOSK_USER} --noclear %I \$TERM
+EOF
+    host_exec systemctl daemon-reload
+fi
+
+# Copy kiosk script with proper environment variables
+echo "Setting up kiosk script..."
+cat <<'EOF' | host_exec tee /home/${KIOSK_USER}/kiosk.sh
+#!/bin/bash
+
+# Disable screen blanking and power management
+xset s noblank
+xset s off
+xset -dpms
+
+# Hide cursor after 1 second of inactivity
+unclutter -idle 1 &
+
+# Force display resolution
+xrandr --output HDMI-1 --mode ${DISPLAY_WIDTH}x${DISPLAY_HEIGHT} --rate ${DISPLAY_REFRESH} 2>/dev/null || \
+xrandr --output HDMI-2 --mode ${DISPLAY_WIDTH}x${DISPLAY_HEIGHT} --rate ${DISPLAY_REFRESH} 2>/dev/null || \
+xrandr --output default --mode ${DISPLAY_WIDTH}x${DISPLAY_HEIGHT} --rate ${DISPLAY_REFRESH} 2>/dev/null || true
+
+# Start Chromium in kiosk mode
+chromium-browser \
+  --window-size=${DISPLAY_WIDTH},${DISPLAY_HEIGHT} \
+  --window-position=0,0 \
+  --noerrdialogs \
+  --disable-infobars \
+  --disable-features=TranslateUI \
+  --disable-extensions \
+  --disable-plugins \
+  --disable-web-security \
+  --disable-features=VizDisplayCompositor \
+  --start-fullscreen \
+  --kiosk \
+  --incognito \
+  --no-first-run \
+  --fast \
+  --fast-start \
+  --disable-default-apps \
+  --disable-translate \
+  --disable-background-timer-throttling \
+  --disable-renderer-backgrounding \
+  --disable-backgrounding-occluded-windows \
+  --disable-component-extensions-with-background-pages \
+  --autoplay-policy=no-user-gesture-required \
+  "${KIOSK_URL}"
+EOF
+
+# Substitute environment variables
+host_exec sed -i "s|\${DISPLAY_WIDTH}|${DISPLAY_WIDTH}|g" /home/${KIOSK_USER}/kiosk.sh
+host_exec sed -i "s|\${DISPLAY_HEIGHT}|${DISPLAY_HEIGHT}|g" /home/${KIOSK_USER}/kiosk.sh
+host_exec sed -i "s|\${DISPLAY_REFRESH}|${DISPLAY_REFRESH}|g" /home/${KIOSK_USER}/kiosk.sh
+host_exec sed -i "s|\${KIOSK_URL}|${KIOSK_URL}|g" /home/${KIOSK_USER}/kiosk.sh
+
+host_exec chmod +x /home/${KIOSK_USER}/kiosk.sh
+host_exec chown ${KIOSK_USER}:${KIOSK_USER} /home/${KIOSK_USER}/kiosk.sh
+
+# Setup watchdog if enabled
+if [ "${ENABLE_WATCHDOG}" = "true" ]; then
+    echo "Setting up watchdog script..."
+    cat <<'EOF' | host_exec tee /home/${KIOSK_USER}/watchdog.sh
+#!/bin/bash
+while true; do
+    if ! pgrep chromium > /dev/null; then
+        echo "$(date): Chromium not running, restarting..." >> /home/${KIOSK_USER}/watchdog.log
+        DISPLAY=:0 /home/${KIOSK_USER}/kiosk.sh &
+    fi
+    sleep 30
+done
+EOF
+    host_exec sed -i "s|\${KIOSK_USER}|${KIOSK_USER}|g" /home/${KIOSK_USER}/watchdog.sh
+    host_exec chmod +x /home/${KIOSK_USER}/watchdog.sh
+    host_exec chown ${KIOSK_USER}:${KIOSK_USER} /home/${KIOSK_USER}/watchdog.sh
+fi
+
+# Configure .bashrc for auto-start
+echo "Configuring auto-start..."
+if ! host_exec grep -q "Auto-start X server" /home/${KIOSK_USER}/.bashrc 2>/dev/null; then
+    cat <<'EOF' | host_exec tee -a /home/${KIOSK_USER}/.bashrc
+
+# Auto-start X server and kiosk on login
+if [ -z "$DISPLAY" ] && [ "$XDG_VTNR" = 1 ]; then
+    exec startx ~/kiosk.sh
+fi
+
+# Start watchdog in background
+if [ "${ENABLE_WATCHDOG}" = "true" ]; then
+    ~/watchdog.sh &
+fi
+EOF
+    host_exec sed -i "s|\${ENABLE_WATCHDOG}|${ENABLE_WATCHDOG}|g" /home/${KIOSK_USER}/.bashrc
+fi
+
+# Disable automatic updates
+echo "Disabling automatic updates..."
+host_exec systemctl disable apt-daily.service 2>/dev/null || true
+host_exec systemctl disable apt-daily.timer 2>/dev/null || true
+host_exec systemctl disable apt-daily-upgrade.timer 2>/dev/null || true
+host_exec systemctl disable apt-daily-upgrade.service 2>/dev/null || true
+
+# Configure GPU memory split (Raspberry Pi specific)
+if host_exec test -f /boot/firmware/config.txt || host_exec test -f /boot/config.txt; then
+    echo "Configuring GPU memory split..."
+    CONFIG_FILE="/boot/firmware/config.txt"
+    host_exec test -f /boot/config.txt && CONFIG_FILE="/boot/config.txt"
+    
+    if ! host_exec grep -q "^gpu_mem=" ${CONFIG_FILE}; then
+        echo "gpu_mem=${GPU_MEM}" | host_exec tee -a ${CONFIG_FILE}
+    else
+        host_exec sed -i "s/^gpu_mem=.*/gpu_mem=${GPU_MEM}/" ${CONFIG_FILE}
+    fi
+fi
+
+# Setup HDMI keep-alive service if enabled
+if [ "${ENABLE_HDMI_KEEP_ALIVE}" = "true" ]; then
+    echo "Setting up HDMI keep-alive service..."
+    cat <<'EOF' | host_exec tee /etc/systemd/system/hdmi-keep-alive.service
+[Unit]
+Description=Keep HDMI active
+After=graphical.target
+
+[Service]
+Type=simple
+ExecStart=/bin/sh -c 'while true; do tvservice -p 2>/dev/null || true; sleep 60; done'
+Restart=always
+RestartSec=10
+
+[Install]
+WantedBy=graphical.target
+EOF
+    host_exec systemctl daemon-reload
+    host_exec systemctl enable hdmi-keep-alive.service 2>/dev/null || true
+fi
+
+echo "Squash Display kiosk setup complete!"
+echo ""
+echo "Configuration:"
+echo "  URL: ${KIOSK_URL}"
+echo "  User: ${KIOSK_USER}"
+echo "  Display: ${DISPLAY_WIDTH}x${DISPLAY_HEIGHT}@${DISPLAY_REFRESH}Hz"
+echo "  Watchdog: ${ENABLE_WATCHDOG}"
+echo "  Auto-login: ${ENABLE_AUTO_LOGIN}"
+echo ""
+echo "Please reboot the system for all changes to take effect."