foxhunt/docs/WAVE76_AGENT6_BACKTESTING_DEPLOYMENT.md

Wave 76 Agent 6: Backtesting Service Deployment Report

Date: 2025-10-03 Agent: Wave 76 Agent 6 Mission: Deploy and validate backtesting_service with proper configuration

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Executive Summary

Deployment Status: ⚠️ BLOCKED - Configuration Issues

The backtesting_service binary exists and is up-to-date (built Oct 3 15:30), but deployment is blocked by two configuration issues that must be resolved before the service can start successfully.

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Deployment Progress

Phase 1: Pre-deployment Checks ✅

TLS Certificates: ✅ VERIFIED

• Location: /home/jgrusewski/Work/foxhunt/certs/
• Files present:
  • dhparam.pem (424 bytes)
  • encryption-key.key (45 bytes)
  • jwt-secret.key (90 bytes)
  • CA certificates in ca/ directory
  • Production certificates in production/ directory

JWT Secrets: ✅ VERIFIED

• JWT_SECRET configured in .env (120 characters, base64-encoded)
• JWT_REFRESH_SECRET configured in .env (120 characters, base64-encoded)
• Wave 76 Agent 5 secrets properly deployed

Database: ✅ OPERATIONAL

• PostgreSQL container: api_gateway_test_postgres (Up 5 hours, healthy)
• Port: 5433 (accessible)
• Connection test: SUCCESS
• Version: PostgreSQL 16.10 on Alpine Linux
• Credentials: foxhunt_test:test_password@localhost:5433/foxhunt_test

Binary Status: ✅ EXISTS

-rwxrwxr-x 1 jgrusewski jgrusewski 13M Oct  3 15:30 backtesting_service
ELF 64-bit LSB pie executable, x86-64 (dynamically linked, with debug_info)

Phase 2: Service Startup ⚠️ BLOCKED

Attempt 1: Benzinga API Key Validation

Error: Failed to create repositories
Caused by:
    Configuration error in field 'api_key': Benzinga API key is required

Resolution: Set BENZINGA_API_KEY environment variable

• Current value in .env: demo_key_for_testing
• Source: data/src/providers/benzinga/historical.rs:204-208
• Validation: BenzingaConfig::default() reads BENZINGA_API_KEY from env

Attempt 2: Database Connection Success

[2025-10-03T13:49:49.956926Z] INFO backtesting_service: Starting Foxhunt Backtesting Service
[2025-10-03T13:49:49.956978Z] INFO backtesting_service: Configuration loaded from environment variables
[2025-10-03T13:49:49.971586Z] INFO backtesting_service: Backtesting model cache initialized with historical version support
[2025-10-03T13:49:50.058625Z] INFO backtesting_service::tls_config: TLS certificates loaded successfully - mTLS: true
[2025-10-03T13:49:50.058640Z] INFO backtesting_service: Starting gRPC server on 0.0.0.0:50052
[2025-10-03T13:49:50.058645Z] INFO backtesting_service: ✅ HTTP/2 optimizations enabled:
   - tcp_nodelay: true (-40ms Nagle delay)
   - Stream window: 1MB
   - Connection window: 10MB
   - Adaptive window: true
   - Max streams: 1000

CRITICAL BLOCKER: Rustls CryptoProvider Panic

thread 'main' panicked at rustls-0.23.32/src/crypto/mod.rs:249:14:

Could not automatically determine the process-level CryptoProvider from Rustls crate features.
Call CryptoProvider::install_default() before this point to select a provider manually,
or make sure exactly one of the 'aws-lc-rs' and 'ring' features is enabled.

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Configuration Issues Identified

Issue 1: Rustls CryptoProvider Not Initialized 🔴 CRITICAL

Root Cause:

• backtesting_service uses tonic.workspace = true (line 32 of Cargo.toml)
• Workspace defines: tonic = { version = "0.14", features = ["server", "transport", "tls-ring", "tls-webpki-roots"] }
• Service also has: rustls = { version = "0.23", features = ["ring"], default-features = false }
• Rustls 0.23 requires explicit CryptoProvider initialization when default-features = false

Evidence: Service successfully:

1. Loaded configuration
2. Connected to database
3. Initialized model cache
4. Loaded TLS certificates
5. Started HTTP/2 server
6. PANICKED when Rustls tried to determine CryptoProvider

Solution: Initialize Rustls CryptoProvider in main.rs before TLS operations:

// Add to main() before TLS configuration
rustls::crypto::ring::default_provider()
    .install_default()
    .expect("Failed to install rustls crypto provider");

Reference:

• trading_service/Cargo.toml: Uses tls-ring feature with Tonic 0.14
• Rustls 0.23.32 documentation: Requires explicit provider when default-features = false

Issue 2: Missing Benzinga API Key (Resolved) ✅

Status: Fixed by setting BENZINGA_API_KEY=demo_key_for_testing in environment

Validation Logic:

// data/src/providers/benzinga/historical.rs:204-208
pub fn new(config: BenzingaConfig) -> Result<Self> {
    if config.api_key.is_empty() {
        return Err(DataError::Configuration {
            field: "api_key".to_string(),
            message: "Benzinga API key is required".to_string(),
        });
    }
    // ...
}

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Service Architecture

Port Configuration

• gRPC Port: 50052 (configured via GRPC_PORT env var, defaults to 50052)
• Binding: 0.0.0.0:50052 (all interfaces)

TLS Configuration

• mTLS: Enabled (client certificates required)
• Protocol: TLS 1.3
• Certificate Paths:
  • Server Cert: /tmp/foxhunt/certs/server.crt
  • Server Key: /tmp/foxhunt/certs/server.key
  • CA Cert: /tmp/foxhunt/certs/ca.crt

Database Configuration

• Pool Size: 10 max connections, 2 min connections
• Acquire Timeout: 5000ms
• Statement Cache: 500 entries (increased from 100 for performance)
• Logging: Disabled for performance

HTTP/2 Optimizations (Wave 67)

• TCP Nodelay: Enabled (-40ms Nagle delay elimination)
• Stream Window: 1MB
• Connection Window: 10MB
• Adaptive Window: Enabled
• Max Concurrent Streams: 1000
• Keepalive Interval: 30s
• Keepalive Timeout: 10s

Dependencies Initialized

1. ✅ Storage Manager (with HFT optimizations)
2. ✅ Model Cache (BacktestingModelCache with historical version support)
3. ✅ Repository Pattern:
   • DataProviderMarketDataRepository (Databento)
   • StorageManagerTradingRepository
   • BenzingaNewsRepository
4. ✅ BacktestingServiceImpl (with repository injection)
5. ⚠️ TLS Configuration (panics during initialization)

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Recommended Fix

1. Update services/backtesting_service/src/main.rs

Add Rustls CryptoProvider initialization at the start of main():

#[tokio::main]
async fn main() -> Result<()> {
    // Initialize Rustls crypto provider (MUST be before any TLS operations)
    rustls::crypto::ring::default_provider()
        .install_default()
        .expect("Failed to install rustls crypto provider");

    // Initialize logging
    init_logging()?;

    info!("Starting Foxhunt Backtesting Service");
    // ... rest of main()
}

2. Alternative: Fix Cargo.toml (Cleaner Approach)

Update services/backtesting_service/Cargo.toml line 55:

# Remove this line (let workspace handle it):
# rustls = { version = "0.23", features = ["ring"], default-features = false }

# Add explicit tonic features instead (inherit from workspace but ensure TLS):
tonic = { workspace = true, features = ["tls-ring"] }

This approach:

• Relies on workspace-level tonic configuration
• Ensures tls-ring feature is enabled
• Avoids manual CryptoProvider initialization
• Matches trading_service pattern

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Deployment Command

Once fixed, deploy with:

# Export environment variables
export DATABASE_URL="postgresql://foxhunt_test:test_password@localhost:5433/foxhunt_test"
export BENZINGA_API_KEY="demo_key_for_testing"
export DATABENTO_API_KEY="placeholder_databento_key_for_development"
export GRPC_PORT=50052

# Start service in background
./target/release/backtesting_service > /tmp/backtesting_service.log 2>&1 &

# Wait for startup
sleep 3

# Verify service is running
ps aux | grep backtesting_service | grep -v grep

# Check logs
tail -50 /tmp/backtesting_service.log

# Test gRPC health (requires grpcurl)
grpcurl -plaintext localhost:50052 list

---

Health Check Commands

Process Check

ps aux | grep backtesting_service | grep -v grep

Port Check

netstat -tlnp | grep 50052
# OR
lsof -i :50052

gRPC Service List (requires grpcurl)

# Without TLS (for testing):
grpcurl -plaintext localhost:50052 list

# With TLS/mTLS:
grpcurl \
  -cacert /tmp/foxhunt/certs/ca.crt \
  -cert /tmp/foxhunt/certs/client.crt \
  -key /tmp/foxhunt/certs/client.key \
  localhost:50052 list

Log Monitoring

tail -f /tmp/backtesting_service.log

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Comparison with Other Services

Trading Service (Port 50051) ✅ RUNNING

• Status: Running successfully (PID 1210863)
• TLS Config: Uses tls-ring feature
• Cargo.toml: tonic = { workspace = true, features = ["transport", "server", "tls-ring", "tls-webpki-roots"] }
• No Rustls Panic: Properly configured

Backtesting Service (Port 50052) ⚠️ BLOCKED

• Status: Panics during TLS initialization
• TLS Config: Has conflicting rustls dependency
• Issue: CryptoProvider not initialized
• Fix Required: Remove redundant rustls dependency or initialize CryptoProvider

ML Training Service (Port 50053) ❓ NOT TESTED

• Deployment: Assigned to Wave 76 Agent 7

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Next Steps

1. IMMEDIATE: Fix Rustls CryptoProvider initialization

   • Option A: Add rustls::crypto::ring::default_provider().install_default() to main()
   • Option B: Remove redundant rustls dependency from Cargo.toml

2. Deploy: Start backtesting_service with proper environment variables

3. Validate:

   • Verify process is running
   • Test gRPC port 50052 is accessible
   • Check service logs for startup success
   • Test gRPC service endpoints with grpcurl

4. Integration: Test with TLI client (Wave 76 Agent 10)

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Dependencies

Blocked By:

• Wave 76 Agent 4 (TLS Certificates) ✅ COMPLETE
• Wave 76 Agent 5 (JWT Secrets) ✅ COMPLETE

Blocking:

• Wave 76 Agent 10 (TLI Gateway Integration) - Needs backtesting_service running

Parallel:

• Wave 76 Agent 7 (ML Training Service) - Independent deployment

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Conclusion

The backtesting_service is 95% ready for deployment. All infrastructure dependencies are satisfied:

• ✅ Database operational
• ✅ TLS certificates configured
• ✅ JWT secrets deployed
• ✅ Binary built and up-to-date
• ✅ Service initializes successfully through TLS certificate loading
• ⚠️ BLOCKED: Rustls CryptoProvider panic requires 1-line code fix

Estimated Time to Fix: 5 minutes (code change + rebuild) Estimated Time to Deploy: 2 minutes (after fix)

Recommendation: Implement Option B (fix Cargo.toml) as it's cleaner and matches the pattern used by trading_service.

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Generated: 2025-10-03 Agent: Wave 76 Agent 6 Status: ⚠️ DEPLOYMENT BLOCKED - FIX REQUIRED