Updates for UX

Includes optional Env vars

install.sh

@@ -117,8 +117,10 @@ choose_cuda() {
 if CUDA_VERSION="$(choose_cuda)"; then
   log "Selected CUDA image version: ${CUDA_VERSION}"
 else
-  err "No compatible CUDA image found for driver capability ${DETECTED_MM}.x"
+  err "No Tentacle image for CUDA ${DETECTED_MM}.x"
-  err "Supported versions: ${SUPPORTED_CUDA[*]}"
+  err "Driver reports CUDA ${DETECTED_CUDA}"
+  err "Available images: ${SUPPORTED_CUDA[*]}"
+  err "Install compatible NVIDIA driver or contact support."
   exit 1
 fi
 
@@ -131,9 +133,12 @@ IMAGE="${IMAGE_BASE}/${CUDA_VERSION}/tentacle:${IMAGE_TAG}"
 docker logout "$REGISTRY" >/dev/null 2>&1 || true
 
 REG_USER="krkn-registry"
+REG_PASS="${KRKN_REGISTRY_TOKEN:-}"
 
+if [ -z "$REG_PASS" ]; then
   read -rsp "Registry access token: " REG_PASS < /dev/tty
   echo
+fi
 
 echo "$REG_PASS" | docker login "$REGISTRY" -u "$REG_USER" --password-stdin || {
   err "Docker login failed. Invalid token or registry unreachable."
@@ -143,12 +148,16 @@ echo "$REG_PASS" | docker login "$REGISTRY" -u "$REG_USER" --password-stdin || {
 # -----------------------------
 # Prompt config
 # -----------------------------
+ORCH_ADDR="${KRKN_ORCH_ADDR:-}"
+
+if [ -z "$ORCH_ADDR" ]; then
   echo
   read -rp "Orchestrator address (e.g. https://krkn.example.com): " ORCH_ADDR < /dev/tty
   if [ -z "$ORCH_ADDR" ]; then
     err "Orchestrator address is required."
     exit 1
   fi
+fi
 
 # -----------------------------
 # Normalize orchestrator address
@@ -214,7 +223,7 @@ WORKER_ID="${WORKER_ID:-$DEFAULT_WORKER_ID}"
 # Pull image
 # -----------------------------
 log "Pulling image: ${IMAGE}"
-docker pull "${IMAGE}" || {
+docker pull --quiet "${IMAGE}" || {
   err "Failed to pull image. Check token permissions or image availability."
   exit 1
 }
@@ -277,6 +286,7 @@ mkdir -p /tmp/tentacle-logs
 log "Starting Tentacle worker..."
 
 docker run -d \
+  --pull=always \
   --name "${CONTAINER_NAME}" \
   --network host \
   --runtime=nvidia \
@@ -288,6 +298,20 @@ docker run -d \
   -v /tmp/tentacle-logs:/opt/tentacle/logs \
   "${IMAGE}"
 
+# -----------------------------
+# Test GPU Access
+# -----------------------------
+sleep 5
+
+if ! docker exec "${CONTAINER_NAME}" nvidia-smi >/dev/null 2>&1; then
+  err "GPU not accessible inside container."
+  err "Check NVIDIA Container Toolkit installation."
+  exit 1
+fi
+
+log "GPU access verified."
+
+
 # -----------------------------
 # Done
 # -----------------------------