pin version

requirements.txt

@@ -1 +1,2 @@
 vastai-sdk>=0.3.0
+nltk==3.9.4 

start_server.sh

@@ -12,7 +12,7 @@ fi
 WORKSPACE_DIR="${WORKSPACE_DIR:-/workspace}"
 
 SERVER_DIR="$WORKSPACE_DIR/vast-pyworker"
-ENV_PATH="$WORKSPACE_DIR/worker-env"
+ENV_PATH="${ENV_PATH:-$WORKSPACE_DIR/worker-env}"
 DEBUG_LOG="$WORKSPACE_DIR/debug.log"
 PYWORKER_LOG="$WORKSPACE_DIR/pyworker.log"
 
@@ -54,9 +54,12 @@ JSON
 }
 
 function install_vastai_sdk() {
-    local force_flag=""
+    local uv_flags=()
+    if [ "${USE_SYSTEM_PYTHON:-}" = "true" ]; then
+        uv_flags+=(--system --break-system-packages)
+    fi
     if [ "$FORCE_UPDATE" = true ]; then
-        force_flag="--force-reinstall"
+        uv_flags+=(--force-reinstall)
         echo "Force reinstalling vastai-sdk"
     fi
 
@@ -66,7 +69,7 @@ function install_vastai_sdk() {
             echo "WARNING: Both SDK_BRANCH and SDK_VERSION are set; using SDK_BRANCH=${SDK_BRANCH}"
         fi
         echo "Installing vastai-sdk from https://github.com/vast-ai/vast-sdk/ @ ${SDK_BRANCH}"
-        if ! uv pip install $force_flag "vastai-sdk @ git+https://github.com/vast-ai/vast-sdk.git@${SDK_BRANCH}"; then
+        if ! uv pip install "${uv_flags[@]}" "vastai-sdk @ git+https://github.com/vast-ai/vast-sdk.git@${SDK_BRANCH}"; then
             report_error_and_exit "Failed to install vastai-sdk from vast-ai/vast-sdk@${SDK_BRANCH}"
         fi
         return 0
@@ -74,14 +77,14 @@ function install_vastai_sdk() {
 
     if [ -n "${SDK_VERSION:-}" ]; then
         echo "Installing vastai-sdk version ${SDK_VERSION}"
-        if ! uv pip install $force_flag "vastai-sdk==${SDK_VERSION}"; then
+        if ! uv pip install "${uv_flags[@]}" "vastai-sdk==${SDK_VERSION}"; then
             report_error_and_exit "Failed to install vastai-sdk==${SDK_VERSION}"
         fi
         return 0
     fi
 
     echo "Installing default vastai-sdk"
-    if ! uv pip install $force_flag vastai-sdk; then
+    if ! uv pip install "${uv_flags[@]}" vastai-sdk; then
         report_error_and_exit "Failed to install vastai-sdk"
     fi
 }
@@ -125,8 +128,21 @@ if ! grep -q "VAST" /etc/environment; then
     fi
 fi
 
-if [ ! -d "$ENV_PATH" ]
-then
+if [ "${USE_SYSTEM_PYTHON:-}" = "true" ]; then
+    echo "Using system Python: $(which python3)"
+    if ! which uv > /dev/null 2>&1; then
+        if ! curl -LsSf https://astral.sh/uv/install.sh | sh; then
+            report_error_and_exit "Failed to install uv package manager"
+        fi
+        if [[ -f ~/.local/bin/env ]]; then
+            if ! source ~/.local/bin/env; then
+                report_error_and_exit "Failed to source uv environment"
+            fi
+        fi
+    fi
+    install_vastai_sdk
+    touch ~/.no_auto_tmux
+elif [ ! -d "$ENV_PATH" ]; then
     echo "setting up venv"
     if ! which uv; then
         if ! curl -LsSf https://astral.sh/uv/install.sh | sh; then
@@ -154,7 +170,7 @@ then
     if [[ -n ${PYWORKER_REF:-} ]]; then
         if [ "$FORCE_UPDATE" = true ]; then
             echo "Force updating to pyworker reference: $PYWORKER_REF"
-            if ! (cd "$SERVER_DIR" && git fetch --all && git checkout "$PYWORKER_REF" && git pull); then
+            if ! (cd "$SERVER_DIR" && git checkout "$PYWORKER_REF" && git pull); then
                 report_error_and_exit "Failed to force update pyworker reference: $PYWORKER_REF"
             fi
         else
@@ -192,7 +208,7 @@ else
             report_error_and_exit "Failed to source uv environment"
         fi
     fi
-    if ! source "$WORKSPACE_DIR/worker-env/bin/activate"; then
+    if ! source "$ENV_PATH/bin/activate"; then
         report_error_and_exit "Failed to activate existing virtual environment"
     fi
     echo "environment activated"
@@ -202,7 +218,6 @@ else
     if [ "$FORCE_UPDATE" = true ]; then
         echo "Performing force update on existing environment"
 
-        # Update pyworker repository
         if [[ -d $SERVER_DIR ]]; then
             echo "Force updating pyworker repository"
             if ! (cd "$SERVER_DIR" && git fetch --all); then
@@ -222,7 +237,6 @@ else
             fi
         fi
 
-        # Force reinstall SDK
         install_vastai_sdk
     fi
 fi
@@ -230,11 +244,8 @@ fi
 # Remove force update flag after successful update
 if [ "$FORCE_UPDATE" = true ]; then
     echo "Removing force update flag"
-    if ! rm -f "/.force_update"; then
-        echo "WARNING: Failed to remove /.force_update, continuing anyway"
-    else
+    rm -f "/.force_update"
     echo "Force update completed successfully"
-    fi
 fi
 
 if [ "$USE_SSL" = true ]; then
@@ -272,16 +283,51 @@ EOF
         report_error_and_exit "Failed to generate SSL certificate request"
     fi
 
-    if ! curl --header 'Content-Type: application/octet-stream' \
+    max_retries=5
+    retry_delay=2
+    for attempt in $(seq 1 "$max_retries"); do
+        http_code=$(curl -sS -o /etc/instance.crt -w '%{http_code}' \
+            --header 'Content-Type: application/octet-stream' \
             --data-binary @/etc/instance.csr \
-        -X \
-        POST "https://console.vast.ai/api/v0/sign_cert/?instance_id=$CONTAINER_ID" > /etc/instance.crt; then
-        report_error_and_exit "Failed to sign SSL certificate"
+            -X POST "https://console.vast.ai/api/v0/sign_cert/?instance_id=$CONTAINER_ID")
+        if [ "$http_code" -ge 200 ] && [ "$http_code" -lt 300 ]; then
+            break
         fi
+        echo "SSL cert signing attempt $attempt/$max_retries failed (HTTP $http_code)"
+        if [ "$attempt" -eq "$max_retries" ]; then
+            report_error_and_exit "Failed to sign SSL certificate after $max_retries attempts (HTTP $http_code)"
+        fi
+        sleep "$retry_delay"
+        retry_delay=$((retry_delay * 2))
+    done
 fi
 
 export REPORT_ADDR WORKER_PORT USE_SSL UNSECURED
 
+# ─── SDK Deployment Mode ───────────────────────────────────────────────
+if [ "$IS_DEPLOYMENT" = "true" ]; then
+    echo "=== SDK Deployment Mode ==="
+    echo "DEPLOYMENT_ID: $DEPLOYMENT_ID"
+
+    DEPLOY_DIR="/workspace/deployment"
+    mkdir -p "$DEPLOY_DIR"
+
+    VAST_API_BASE="${VAST_API_BASE:-https://console.vast.ai}"
+
+    # Download deployment code, retrying until the blob is available on S3.
+    # The s3_key exists in the DB as soon as the deployment is created, but the
+    # actual upload may still be in flight from the client side.
+
+    # Install SDK (uses the install_vastai_sdk function which supports SDK_BRANCH/SDK_VERSION)
+    install_vastai_sdk
+    # Run deployment in serve mode
+    export VAST_DEPLOYMENT_MODE=serve
+    echo "Starting deployment: python3 $DEPLOY_DIR/deployment.py"
+    serve-vast-deployment
+    exit $?
+fi
+# ─── End SDK Deployment Mode ───────────────────────────────────────────
+
 if ! cd "$SERVER_DIR"; then
     report_error_and_exit "Failed to cd into SERVER_DIR: $SERVER_DIR"
 fi