feat: Custom gst webrtc signaller, runtime GPU driver package install and more (#140)

🔥 🔥

Yes lots of commits because rebasing and all.. thankfully I know Git
just enough to have backups 😅

---------

Co-authored-by: Wanjohi <elviswanjohi47@gmail.com>
Co-authored-by: Kristian Ollikainen <DatCaptainHorse@users.noreply.github.com>
Co-authored-by: Wanjohi <71614375+wanjohiryan@users.noreply.github.com>
Co-authored-by: AquaWolf <3daquawolf@gmail.com>

packages/scripts/entrypoint_nestri.sh

@@ -0,0 +1,156 @@
+#!/bin/bash
+set -euo pipefail
+
+# Source environment variables from envs.sh
+if [ -f /etc/nestri/envs.sh ]; then
+    echo "Sourcing environment variables from envs.sh..."
+    source /etc/nestri/envs.sh
+else
+    echo "envs.sh not found! Ensure it exists at /etc/nestri/envs.sh."
+    exit 1
+fi
+
+# Configuration
+MAX_RETRIES=3
+
+# Helper function to restart the chain
+restart_chain() {
+    echo "Restarting nestri-server, labwc, and wlr-randr..."
+
+    # Kill all child processes safely (if running)
+    if [[ -n "${NESTRI_PID:-}" ]] && kill -0 "${NESTRI_PID}" 2 >/dev/null; then
+        kill "${NESTRI_PID}"
+    fi
+    if [[ -n "${LABWC_PID:-}" ]] && kill -0 "${LABWC_PID}" 2 >/dev/null; then
+        kill "${LABWC_PID}"
+    fi
+
+    wait || true
+
+    # Start nestri-server
+    start_nestri_server
+    RETRY_COUNT=0
+}
+
+
+# Function to start nestri-server
+start_nestri_server() {
+    echo "Starting nestri-server..."
+    nestri-server $(echo $NESTRI_PARAMS) &
+    NESTRI_PID=$!
+
+    # Wait for Wayland display (wayland-1) to be ready
+    echo "Waiting for Wayland display 'wayland-1' to be ready..."
+    WAYLAND_SOCKET="/run/user/${UID}/wayland-1"
+    for _ in {1..15}; do # Wait up to 15 seconds
+        if [ -e "$WAYLAND_SOCKET" ]; then
+            echo "Wayland display 'wayland-1' is ready."
+            start_labwc
+            return
+        fi
+        sleep 1
+    done
+
+    echo "Error: Wayland display 'wayland-1' did not appear. Incrementing retry count..."
+    ((RETRY_COUNT++))
+    if [ "$RETRY_COUNT" -ge "$MAX_RETRIES" ]; then
+        echo "Max retries reached for nestri-server. Exiting."
+        exit 1
+    fi
+    restart_chain
+}
+
+# Function to start labwc
+start_labwc() {
+    echo "Starting labwc..."
+    rm -rf /tmp/.X11-unix && mkdir -p /tmp/.X11-unix && chown nestri:nestri /tmp/.X11-unix
+    WAYLAND_DISPLAY=wayland-1 WLR_BACKENDS=wayland labwc &
+    LABWC_PID=$!
+
+    # Wait for labwc to initialize (using `wlr-randr` as an indicator)
+    echo "Waiting for labwc to initialize..."
+    for _ in {1..15}; do
+        if wlr-randr --json | jq -e '.[] | select(.enabled == true)' >/dev/null; then
+            echo "labwc is initialized and Wayland outputs are ready."
+            start_wlr_randr
+            return
+        fi
+        sleep 1
+    done
+
+    echo "Error: labwc did not initialize correctly. Incrementing retry count..."
+    ((RETRY_COUNT++))
+    if [ "$RETRY_COUNT" -ge "$MAX_RETRIES" ]; then
+        echo "Max retries reached for labwc. Exiting."
+        exit 1
+    fi
+    restart_chain
+}
+
+# Function to run wlr-randr
+start_wlr_randr() {
+    echo "Configuring resolution with wlr-randr..."
+    OUTPUT_NAME=$(wlr-randr --json | jq -r '.[] | select(.enabled == true) | .name' | head -n 1)
+    if [ -z "$OUTPUT_NAME" ]; then
+        echo "Error: No enabled outputs detected. Skipping wlr-randr."
+        return
+    fi
+
+    # Retry logic for wlr-randr
+    local WLR_RETRIES=0
+    while ! WAYLAND_DISPLAY=wayland-0 wlr-randr --output "$OUTPUT_NAME" --custom-mode "$RESOLUTION"; do
+        echo "Error: Failed to configure wlr-randr. Retrying..."
+        ((WLR_RETRIES++))
+        if [ "$WLR_RETRIES" -ge "$MAX_RETRIES" ]; then
+            echo "Max retries reached for wlr-randr. Moving on without resolution setup."
+            return
+        fi
+        sleep 2
+    done
+    echo "wlr-randr configuration successful."
+}
+
+# Main loop to monitor processes
+main_loop() {
+    trap 'echo "Terminating...";
+if [[ -n "${NESTRI_PID:-}" ]] && kill -0 "${NESTRI_PID}" 2>/dev/null; then
+kill "${NESTRI_PID}"
+fi
+if [[ -n "${LABWC_PID:-}" ]] && kill -0 "${LABWC_PID}" 2>/dev/null; then
+kill "${LABWC_PID}"
+fi
+    exit 0' SIGINT SIGTERM
+
+    while true; do
+        # Wait for any child process to exit
+        wait -n
+
+        # Check which process exited
+        if ! kill -0 ${NESTRI_PID:-} 2 >/dev/null; then
+            echo "nestri-server crashed. Restarting chain..."
+            ((RETRY_COUNT++))
+            if [ "$RETRY_COUNT" -ge "$MAX_RETRIES" ]; then
+                echo "Max retries reached for nestri-server. Exiting."
+                exit 1
+            fi
+            restart_chain
+        elif ! kill -0 ${LABWC_PID:-} 2 >/dev/null; then
+            echo "labwc crashed. Restarting labwc and wlr-randr..."
+            ((RETRY_COUNT++))
+            if [ "$RETRY_COUNT" -ge "$MAX_RETRIES" ]; then
+                echo "Max retries reached for labwc. Exiting."
+                exit 1
+            fi
+            start_labwc
+        fi
+    done
+}
+
+# Initialize retry counter
+RETRY_COUNT=0
+
+# Start the initial chain
+restart_chain
+
+# Enter monitoring loop
+main_loop