deploy.sh

#!/bin/bash

# Build and deployment script for the Stress Test Application

set -e

# Configuration
IMAGE_NAME="stress-test-app"
IMAGE_TAG="latest"
NAMESPACE="default"

echo "=== .NET Core Stress Test Application Build & Deploy ==="

# Function to print usage
print_usage() {
    echo "Usage: $0 [build|deploy|build-deploy|clean]"
    echo "  build        - Build Docker image"
    echo "  deploy       - Deploy to Kubernetes"
    echo "  build-deploy - Build and deploy"
    echo "  clean        - Clean up Kubernetes resources"
    exit 1
}

# Function to build Docker image
build_image() {
    echo "Building Docker image..."
    docker build -t ${IMAGE_NAME}:${IMAGE_TAG} .
    echo "Docker image built successfully: ${IMAGE_NAME}:${IMAGE_TAG}"
}

# Function to deploy to Kubernetes
deploy_to_k8s() {
    echo "Deploying to Kubernetes..."
    
    # Apply ConfigMap first
    kubectl apply -f k8s/configmap.yaml -n ${NAMESPACE}
    
    # Apply Deployment and Service
    kubectl apply -f k8s/deployment.yaml -n ${NAMESPACE}
    
    echo "Deployment completed successfully"
    echo "Checking deployment status..."
    kubectl get pods -l app=stress-test-app -n ${NAMESPACE}
    kubectl get services -l app=stress-test-app -n ${NAMESPACE}
}

# Function to clean up resources
clean_resources() {
    echo "Cleaning up Kubernetes resources..."
    kubectl delete -f k8s/deployment.yaml -n ${NAMESPACE} --ignore-not-found=true
    kubectl delete -f k8s/configmap.yaml -n ${NAMESPACE} --ignore-not-found=true
    echo "Cleanup completed"
}

# Function to check prerequisites
check_prerequisites() {
    # Check if Docker is available
    if ! command -v docker &> /dev/null; then
        echo "Error: Docker is not installed or not in PATH"
        exit 1
    fi
    
    # Check if kubectl is available
    if ! command -v kubectl &> /dev/null; then
        echo "Error: kubectl is not installed or not in PATH"
        exit 1
    fi
    
    # Check if we can connect to Kubernetes cluster
    if ! kubectl cluster-info &> /dev/null; then
        echo "Error: Cannot connect to Kubernetes cluster"
        exit 1
    fi
}

# Main script logic
case "${1:-}" in
    "build")
        check_prerequisites
        build_image
        ;;
    "deploy")
        check_prerequisites
        deploy_to_k8s
        ;;
    "build-deploy")
        check_prerequisites
        build_image
        deploy_to_k8s
        ;;
    "clean")
        check_prerequisites
        clean_resources
        ;;
    *)
        print_usage
        ;;
esac

echo "Operation completed successfully!"