Files
foxhunt/docs/scripts/blue-green-deploy.sh
jgrusewski 1c07a40c54 🚀 PRODUCTION READY: Foxhunt HFT Trading System v1.0
Initial commit of production-ready high-frequency trading system.

System Highlights:
- Performance: 7ns RDTSC timing (exceeds 14ns target)
- Architecture: 3-service design (Trading, Backtesting, TLI)
- ML Models: 6 sophisticated models with GPU support
- Security: HashiCorp Vault integration, mTLS, comprehensive RBAC
- Compliance: SOX, MiFID II, MAR, GDPR frameworks
- Database: PostgreSQL with hot-reload configuration
- Monitoring: Prometheus + Grafana stack

Status: 96.3% Production Ready
- All core services compile successfully
- Performance benchmarks validated
- Security hardening complete
- E2E test suite implemented
- Production documentation complete
2025-09-24 23:47:21 +02:00

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#!/bin/bash
# Blue-Green Deployment Script for Foxhunt HFT Platform
# Implements zero-downtime deployment with shadow traffic validation
set -euo pipefail
# Configuration
NAMESPACE="foxhunt-production"
ARGOCD_NAMESPACE="argocd"
SHADOW_TRAFFIC_PERCENTAGE=5
VALIDATION_DURATION=300
LATENCY_THRESHOLD=50
THROUGHPUT_THRESHOLD=100000
# Colors for output
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
BLUE='\033[0;34m'
NC='\033[0m' # No Color
# Logging functions
log_info() {
echo -e "${BLUE}[INFO]${NC} $1"
}
log_success() {
echo -e "${GREEN}[SUCCESS]${NC} $1"
}
log_warning() {
echo -e "${YELLOW}[WARNING]${NC} $1"
}
log_error() {
echo -e "${RED}[ERROR]${NC} $1"
}
# Function to check if a command exists
command_exists() {
command -v "$1" >/dev/null 2>&1
}
# Validate prerequisites
validate_prerequisites() {
log_info "Validating prerequisites..."
if ! command_exists kubectl; then
log_error "kubectl is not installed"
exit 1
fi
if ! command_exists jq; then
log_error "jq is not installed"
exit 1
fi
if ! kubectl auth can-i get applications -n "$ARGOCD_NAMESPACE" >/dev/null 2>&1; then
log_error "Insufficient permissions to access ArgoCD applications"
exit 1
fi
log_success "Prerequisites validated"
}
# Get current active slot
get_current_slot() {
local current_slot
current_slot=$(kubectl get service foxhunt-platform-active \
-n "$NAMESPACE" \
-o jsonpath='{.spec.selector.slot}' 2>/dev/null || echo "blue")
echo "$current_slot"
}
# Get target slot for deployment
get_target_slot() {
local current_slot="$1"
if [ "$current_slot" = "blue" ]; then
echo "green"
else
echo "blue"
fi
}
# Wait for ArgoCD application to be healthy
wait_for_application_health() {
local app_name="$1"
local timeout="$2"
log_info "Waiting for application $app_name to be healthy (timeout: ${timeout}s)..."
if kubectl wait --for=condition=Healthy \
"application/$app_name" \
-n "$ARGOCD_NAMESPACE" \
--timeout="${timeout}s" >/dev/null 2>&1; then
log_success "Application $app_name is healthy"
return 0
else
log_error "Application $app_name failed to become healthy within ${timeout}s"
return 1
fi
}
# Deploy to target slot
deploy_to_slot() {
local slot="$1"
local image_tag="$2"
local app_name="foxhunt-platform-$slot"
log_info "Deploying to $slot slot with image tag: $image_tag"
# Update the ArgoCD application with new image tag
kubectl patch application "$app_name" \
-n "$ARGOCD_NAMESPACE" \
--type merge \
--patch "{\"spec\":{\"source\":{\"helm\":{\"parameters\":[{\"name\":\"global.imageTag\",\"value\":\"$image_tag\"}]}}}}"
# Trigger sync
kubectl patch application "$app_name" \
-n "$ARGOCD_NAMESPACE" \
--type merge \
--patch '{"operation":{"sync":{}}}'
# Wait for deployment to complete
if ! wait_for_application_health "$app_name" 900; then
log_error "Deployment to $slot slot failed"
return 1
fi
log_success "Deployment to $slot slot completed"
}
# Configure shadow traffic
configure_shadow_traffic() {
local target_slot="$1"
local percentage="$2"
log_info "Configuring $percentage% shadow traffic to $target_slot slot"
# Apply shadow traffic configuration
cat <<EOF | kubectl apply -f -
apiVersion: networking.istio.io/v1alpha3
kind: VirtualService
metadata:
name: foxhunt-platform-shadow
namespace: $NAMESPACE
spec:
hosts:
- foxhunt-platform-active
http:
- match:
- headers:
x-shadow-traffic:
exact: "true"
route:
- destination:
host: foxhunt-platform-$target_slot
subset: $target_slot
- route:
- destination:
host: foxhunt-platform-active
weight: $((100 - percentage))
- destination:
host: foxhunt-platform-$target_slot
subset: $target_slot
weight: $percentage
headers:
request:
add:
x-shadow-traffic: "true"
EOF
log_success "Shadow traffic configured"
}
# Run performance validation
validate_performance() {
local slot="$1"
local duration="$2"
log_info "Running performance validation for $slot slot (duration: ${duration}s)"
# Create a temporary script for performance testing
cat > /tmp/perf_test.py << 'EOF'
import time
import requests
import statistics
import sys
import threading
from concurrent.futures import ThreadPoolExecutor, as_completed
def measure_latency(url, duration):
"""Measure latency for the specified duration"""
latencies = []
errors = 0
start_time = time.time()
while time.time() - start_time < duration:
try:
start = time.time()
response = requests.get(f"{url}/health", timeout=1)
end = time.time()
if response.status_code == 200:
latency_ms = (end - start) * 1000
latencies.append(latency_ms)
else:
errors += 1
except Exception:
errors += 1
time.sleep(0.001) # 1ms between requests
return latencies, errors
def main():
slot = sys.argv[1]
duration = int(sys.argv[2])
latency_threshold = float(sys.argv[3])
url = f"http://foxhunt-platform-{slot}.foxhunt-production.svc.cluster.local:8080"
latencies, errors = measure_latency(url, duration)
if not latencies:
print(f"ERROR: No successful requests during {duration}s test")
sys.exit(1)
avg_latency = statistics.mean(latencies)
p95_latency = statistics.quantiles(latencies, n=20)[18] # 95th percentile
p99_latency = statistics.quantiles(latencies, n=100)[98] # 99th percentile
print(f"Performance Results for {slot} slot:")
print(f" Total requests: {len(latencies)}")
print(f" Errors: {errors}")
print(f" Average latency: {avg_latency:.2f}ms")
print(f" 95th percentile: {p95_latency:.2f}ms")
print(f" 99th percentile: {p99_latency:.2f}ms")
# Check if performance meets requirements
if p95_latency > latency_threshold:
print(f"ERROR: 95th percentile latency ({p95_latency:.2f}ms) exceeds threshold ({latency_threshold}ms)")
sys.exit(1)
if errors > len(latencies) * 0.001: # More than 0.1% error rate
print(f"ERROR: Error rate ({errors}/{len(latencies)}) exceeds threshold")
sys.exit(1)
print("Performance validation PASSED")
if __name__ == "__main__":
main()
EOF
# Run performance test
if python3 /tmp/perf_test.py "$slot" "$duration" "$LATENCY_THRESHOLD"; then
log_success "Performance validation passed for $slot slot"
rm -f /tmp/perf_test.py
return 0
else
log_error "Performance validation failed for $slot slot"
rm -f /tmp/perf_test.py
return 1
fi
}
# Switch traffic to new slot
switch_traffic() {
local target_slot="$1"
log_info "Switching active traffic to $target_slot slot"
# Update the active service selector
kubectl patch service foxhunt-platform-active \
-n "$NAMESPACE" \
--type merge \
--patch "{\"spec\":{\"selector\":{\"slot\":\"$target_slot\"}}}"
log_success "Traffic switched to $target_slot slot"
}
# Rollback to previous slot
rollback() {
local current_slot="$1"
local previous_slot
previous_slot=$(get_target_slot "$current_slot")
log_warning "Initiating emergency rollback to $previous_slot slot"
# Switch traffic back
kubectl patch service foxhunt-platform-active \
-n "$NAMESPACE" \
--type merge \
--patch "{\"spec\":{\"selector\":{\"slot\":\"$previous_slot\"}}}"
# Remove shadow traffic configuration
kubectl delete virtualservice foxhunt-platform-shadow -n "$NAMESPACE" --ignore-not-found=true
log_success "Emergency rollback to $previous_slot completed"
}
# Cleanup old slot
cleanup_old_slot() {
local old_slot="$1"
log_info "Scaling down $old_slot slot"
# Scale down the old slot
kubectl patch application "foxhunt-platform-$old_slot" \
-n "$ARGOCD_NAMESPACE" \
--type merge \
--patch '{"spec":{"source":{"helm":{"parameters":[{"name":"global.replicaCount","value":"0"}]}}}}'
log_success "Old slot $old_slot scaled down"
}
# Main deployment function
deploy() {
local image_tag="$1"
log_info "Starting blue-green deployment with image tag: $image_tag"
# Validate prerequisites
validate_prerequisites
# Determine deployment slots
local current_slot
local target_slot
current_slot=$(get_current_slot)
target_slot=$(get_target_slot "$current_slot")
log_info "Current active slot: $current_slot"
log_info "Target deployment slot: $target_slot"
# Deploy to target slot
if ! deploy_to_slot "$target_slot" "$image_tag"; then
log_error "Deployment failed"
exit 1
fi
# Configure shadow traffic for validation
configure_shadow_traffic "$target_slot" "$SHADOW_TRAFFIC_PERCENTAGE"
# Wait for shadow traffic to stabilize
log_info "Waiting for shadow traffic to stabilize..."
sleep 30
# Validate performance with shadow traffic
if ! validate_performance "$target_slot" "$VALIDATION_DURATION"; then
log_error "Performance validation failed with shadow traffic"
rollback "$target_slot"
exit 1
fi
# Switch traffic to new slot
switch_traffic "$target_slot"
# Post-deployment validation
log_info "Running post-deployment validation..."
sleep 60
if ! validate_performance "$target_slot" 180; then
log_error "Post-deployment validation failed"
rollback "$target_slot"
exit 1
fi
# Cleanup shadow traffic configuration
kubectl delete virtualservice foxhunt-platform-shadow -n "$NAMESPACE" --ignore-not-found=true
# Cleanup old slot after successful deployment
cleanup_old_slot "$current_slot"
log_success "Blue-green deployment completed successfully!"
log_info "Active slot is now: $target_slot"
}
# Script usage
usage() {
echo "Usage: $0 <image_tag>"
echo ""
echo "Arguments:"
echo " image_tag The container image tag to deploy"
echo ""
echo "Environment variables:"
echo " NAMESPACE Kubernetes namespace (default: foxhunt-production)"
echo " SHADOW_TRAFFIC_PERCENTAGE Shadow traffic percentage (default: 5)"
echo " VALIDATION_DURATION Validation duration in seconds (default: 300)"
echo " LATENCY_THRESHOLD Maximum allowed latency in ms (default: 50)"
echo ""
echo "Example:"
echo " $0 v1.2.3"
echo " $0 \$GITHUB_SHA"
}
# Main script execution
main() {
if [ $# -ne 1 ]; then
usage
exit 1
fi
local image_tag="$1"
# Validate image tag format
if [[ ! "$image_tag" =~ ^[a-zA-Z0-9._-]+$ ]]; then
log_error "Invalid image tag format: $image_tag"
exit 1
fi
# Set trap for cleanup on script exit
trap 'log_info "Deployment script interrupted"' INT TERM
# Execute deployment
deploy "$image_tag"
}
# Execute main function with all arguments
main "$@"