Add devcontainer configuration for Vast.ai serverless Ollama template

* Add nltk requirement for openai worker

* pin version

.devcontainer/devcontainer.json

@@ -0,0 +1,37 @@
+// .devcontainer/devcontainer.json
+// Dev container for the Vast.ai serverless Ollama template.
+// Includes Docker-in-Docker so you can build and test images from inside the container.
+{
+  "name": "vast.ai-serverless-ollama",
+  "image": "mcr.microsoft.com/devcontainers/base:trixie",
+  "features": {
+    "ghcr.io/devcontainers/features/python:1": {
+      "installTools": true,
+      "version": "3.12"
+    },
+    "ghcr.io/devcontainers/features/docker-in-docker:3.0.0": {
+      "moby": false,
+      "version": "latest",
+      "installDockerBuildx": true,
+      "dockerDashComposeVersion": "v2"
+    }
+  },
+  "runArgs": ["--privileged"],
+  "containerEnv": {
+    "DOCKER_BUILDKIT": "1"
+  },
+  "postCreateCommand": "python3 -m pip install --user --upgrade pip && python3 -m pip install --user -r requirements.txt pyyaml",
+  "customizations": {
+    "vscode": {
+      "extensions": [
+        "ms-python.python",
+        "ms-azuretools.vscode-docker"
+      ],
+      "settings": {
+        "python.defaultInterpreterPath": "/usr/bin/python3",
+        "terminal.integrated.defaultProfile.linux": "bash",
+        "docker.showStartPage": false
+      }
+    }
+  }
+}

requirements.txt

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

start_server.sh

@@ -60,32 +60,32 @@ function install_vastai_sdk() {
     fi
     if [ "$FORCE_UPDATE" = true ]; then
         uv_flags+=(--force-reinstall)
-        echo "Force reinstalling vastai-sdk"
+        echo "Force reinstalling vastai"
     fi
 
-    # If SDK_BRANCH is set, install vastai-sdk from the vast-sdk repo at that branch/tag/commit.
+    # If SDK_BRANCH is set, install vastai from the vast-cli repo at that branch/tag/commit.
     if [ -n "${SDK_BRANCH:-}" ]; then
         if [ -n "${SDK_VERSION:-}" ]; then
             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}"
+        echo "Installing vastai from https://github.com/vast-ai/vast-cli/ @ ${SDK_BRANCH}"
-        if ! uv pip install "${uv_flags[@]}" "vastai-sdk @ git+https://github.com/vast-ai/vast-sdk.git@${SDK_BRANCH}"; then
+        if ! uv pip install "${uv_flags[@]}" "vastai @ git+https://github.com/vast-ai/vast-cli.git@${SDK_BRANCH}"; then
-            report_error_and_exit "Failed to install vastai-sdk from vast-ai/vast-sdk@${SDK_BRANCH}"
+            report_error_and_exit "Failed to install vastai from vast-ai/vast-cli@${SDK_BRANCH}"
         fi
         return 0
     fi
 
     if [ -n "${SDK_VERSION:-}" ]; then
-        echo "Installing vastai-sdk version ${SDK_VERSION}"
+        echo "Installing vastai version ${SDK_VERSION}"
-        if ! uv pip install "${uv_flags[@]}" "vastai-sdk==${SDK_VERSION}"; then
+        if ! uv pip install "${uv_flags[@]}" "vastai==${SDK_VERSION}"; then
-            report_error_and_exit "Failed to install vastai-sdk==${SDK_VERSION}"
+            report_error_and_exit "Failed to install vastai==${SDK_VERSION}"
         fi
         return 0
     fi
 
-    echo "Installing default vastai-sdk"
+    echo "Installing default vastai"
-    if ! uv pip install "${uv_flags[@]}" vastai-sdk; then
+    if ! uv pip install "${uv_flags[@]}" vastai; then
-        report_error_and_exit "Failed to install vastai-sdk"
+        report_error_and_exit "Failed to install vastai"
     fi
 }
 
@@ -339,19 +339,19 @@ set +e
 PY_STATUS=1
 
 if [ -f "$SERVER_DIR/worker.py" ]; then
-    echo "trying worker.py"
+    echo "Running worker.py"
     python3 -m "worker" |& tee -a "$PYWORKER_LOG"
     PY_STATUS=${PIPESTATUS[0]}
 fi
 
 if [ "${PY_STATUS}" -ne 0 ] && [ -f "$SERVER_DIR/workers/$BACKEND/worker.py" ]; then
-    echo "trying workers.${BACKEND}.worker"
+    echo "Running workers.${BACKEND}.worker"
     python3 -m "workers.${BACKEND}.worker" |& tee -a "$PYWORKER_LOG"
     PY_STATUS=${PIPESTATUS[0]}
 fi
 
 if [ "${PY_STATUS}" -ne 0 ] && [ -f "$SERVER_DIR/workers/$BACKEND/server.py" ]; then
-    echo "trying workers.${BACKEND}.server"
+    echo "Running workers.${BACKEND}.server"
     python3 -m "workers.${BACKEND}.server" |& tee -a "$PYWORKER_LOG"
     PY_STATUS=${PIPESTATUS[0]}
 fi
@@ -365,4 +365,4 @@ if [ "${PY_STATUS}" -ne 0 ]; then
     report_error_and_exit "PyWorker exited with status ${PY_STATUS}"
 fi
 
-echo "launching PyWorker server done"
+echo "PyWorker bootstrap complete"

workers/openai/worker.py

@@ -7,12 +7,15 @@ from vastai import Worker, WorkerConfig, HandlerConfig, LogActionConfig, Benchma
 # vLLM model configuration
 MODEL_SERVER_URL           = 'http://127.0.0.1'
 MODEL_SERVER_PORT          = 18000
-MODEL_LOG_FILE             = '/var/log/portal/vllm.log'
+MODEL_LOG_FILE             = '/var/log/onstart.log'
 MODEL_HEALTHCHECK_ENDPOINT = "/health"
 
 # vLLM-specific log messages
 MODEL_LOAD_LOG_MSG = [
     "Application startup complete.",
+    "llama runner started in",
+    "Server listening on",
+    "msg=\"Listening on",
 ]
 
 MODEL_ERROR_LOG_MSGS = [

workers/tgi/worker.py

@@ -35,7 +35,7 @@ def benchmark_generator() -> dict:
     benchmark_data = {
         "inputs": prompt,
         "parameters": {
-            "max_new_tokens": 128,
+            "max_new_tokens": 500,
             "temperature": 0.7,
             "return_full_text": False
         }