run demos without docker, keep docker optional via --with-ui

demos/agent_orchestration/multi_agent_crewai_langchain/README.md

@@ -41,21 +41,36 @@ cd demos/agent_orchestration/multi_agent_crewai_langchain
 ./run_demo.sh
 ```
 
-This starts Plano natively and brings up via Docker Compose:
+This starts Plano natively and runs agents as local processes:
 - **CrewAI Flight Agent** (port 10520) - flight search
 - **LangChain Weather Agent** (port 10510) - weather forecasts
-- **AnythingLLM** (port 3001) - chat interface
-- **Jaeger** (port 16686) - distributed tracing
 
 Plano runs natively on the host (ports 12000, 8001).
 
+To also start AnythingLLM (chat UI), Jaeger (tracing), and other optional services:
+
+```bash
+./run_demo.sh --with-ui
+```
+
+This additionally starts:
+- **AnythingLLM** (port 3001) - chat interface
+- **Jaeger** (port 16686) - distributed tracing
+
 ### Try It Out
 
-1. **Open the Chat Interface**
+1. **Using curl**
+   ```bash
+   curl -X POST http://localhost:8001/v1/chat/completions \
+     -H "Content-Type: application/json" \
+     -d '{"model": "gpt-4o", "messages": [{"role": "user", "content": "What is the weather in San Francisco?"}]}'
+   ```
+
+2. **Using AnythingLLM (requires `--with-ui`)**
    - Navigate to [http://localhost:3001](http://localhost:3001)
    - Create an account (stored locally)
 
-2. **Ask Multi-Agent Questions**
+3. **Ask Multi-Agent Questions**
    ```
    "What's the weather in San Francisco and can you find flights from Seattle to San Francisco?"
    ```
@@ -65,7 +80,7 @@ Plano runs natively on the host (ports 12000, 8001).
    - Routes the flight part to the CrewAI agent
    - Combines responses seamlessly
 
-3. **View Distributed Traces**
+4. **View Distributed Traces (requires `--with-ui`)**
    - Open [http://localhost:16686](http://localhost:16686) (Jaeger UI)
    - See how requests flow through both agents
 

demos/agent_orchestration/multi_agent_crewai_langchain/config.yaml

@@ -2,9 +2,9 @@ version: v0.3.0
 
 agents:
   - id: weather_agent
-    url: http://langchain-weather-agent:10510
+    url: http://localhost:10510
   - id: flight_agent
-    url: http://crewai-flight-agent:10520
+    url: http://localhost:10520
 
 model_providers:
   - model: openai/gpt-4o

demos/agent_orchestration/multi_agent_crewai_langchain/docker-compose.yaml

@@ -1,27 +1,5 @@
 
 services:
-  crewai-flight-agent:
-    build:
-      dockerfile: Dockerfile
-    restart: always
-    ports:
-      - "10520:10520"
-    environment:
-      - LLM_GATEWAY_ENDPOINT=http://host.docker.internal:12000/v1
-      - AEROAPI_KEY=${AEROAPI_KEY:?AEROAPI_KEY environment variable is required but not set}
-      - PYTHONUNBUFFERED=1
-    command: ["python", "-u", "crewai/flight_agent.py"]
-
-  langchain-weather-agent:
-    build:
-      dockerfile: Dockerfile
-    restart: always
-    ports:
-      - "10510:10510"
-    environment:
-      - LLM_GATEWAY_ENDPOINT=http://host.docker.internal:12000/v1
-    command: ["python", "-u", "langchain/weather_agent.py"]
-
   anythingllm:
     image: mintplexlabs/anythingllm
     restart: always
@@ -36,6 +14,8 @@ services:
       - GENERIC_OPEN_AI_MODEL_PREF=gpt-4o-mini
       - GENERIC_OPEN_AI_MODEL_TOKEN_LIMIT=128000
       - GENERIC_OPEN_AI_API_KEY=sk-placeholder
+    extra_hosts:
+      - "host.docker.internal:host-gateway"
 
   jaeger:
     build:
@@ -44,3 +24,4 @@ services:
     ports:
       - "16686:16686"  # Jaeger UI
       - "4317:4317"    # OTLP gRPC receiver
+      - "4318:4318"    # OTLP HTTP receiver

demos/agent_orchestration/multi_agent_crewai_langchain/run_demo.sh

@@ -12,14 +12,9 @@ start_demo() {
       echo "Error: OPENAI_API_KEY environment variable is not set for the demo."
       exit 1
     fi
-    if [ -z "$AEROAPI_KEY" ]; then
-      echo "Error: AEROAPI_KEY environment variable is not set for the demo."
-      exit 1
-    fi
 
     echo "Creating .env file..."
     echo "OPENAI_API_KEY=$OPENAI_API_KEY" > .env
-    echo "AEROAPI_KEY=$AEROAPI_KEY" >> .env
     echo ".env file created with API keys."
   fi
 
@@ -27,18 +22,27 @@ start_demo() {
   echo "Starting Plano with config.yaml..."
   planoai up config.yaml
 
-  # Step 4: Start agents and services
-  echo "Starting agents using Docker Compose..."
-  docker compose up -d
+  # Step 4: Start agents natively
+  echo "Starting agents..."
+  bash start_agents.sh &
+
+  # Step 5: Optionally start UI services (AnythingLLM, Jaeger)
+  if [ "$1" == "--with-ui" ]; then
+    echo "Starting UI services (AnythingLLM, Jaeger)..."
+    docker compose up -d
+  fi
 }
 
 # Function to stop the demo
 stop_demo() {
-  # Step 1: Stop Docker Compose services
-  echo "Stopping Docker Compose services..."
-  docker compose down
+  # Stop agents
+  echo "Stopping agents..."
+  pkill -f start_agents.sh 2>/dev/null || true
 
-  # Step 2: Stop Plano
+  # Stop Docker Compose services if running
+  docker compose down 2>/dev/null || true
+
+  # Stop Plano
   echo "Stopping Plano..."
   planoai down
 }
@@ -47,5 +51,5 @@ stop_demo() {
 if [ "$1" == "down" ]; then
   stop_demo
 else
-  start_demo
+  start_demo "$1"
 fi

demos/agent_orchestration/multi_agent_crewai_langchain/start_agents.sh

@@ -0,0 +1,30 @@
+#!/bin/bash
+set -e
+
+PIDS=()
+
+log() { echo "$(date '+%F %T') - $*"; }
+
+cleanup() {
+    log "Stopping agents..."
+    for PID in "${PIDS[@]}"; do
+        kill $PID 2>/dev/null && log "Stopped process $PID"
+    done
+    exit 0
+}
+
+trap cleanup EXIT INT TERM
+
+export LLM_GATEWAY_ENDPOINT=http://localhost:12000/v1
+
+log "Starting langchain weather_agent on port 10510..."
+uv run python langchain/weather_agent.py &
+PIDS+=($!)
+
+log "Starting crewai flight_agent on port 10520..."
+uv run python crewai/flight_agent.py &
+PIDS+=($!)
+
+for PID in "${PIDS[@]}"; do
+    wait "$PID"
+done