edge-connect-client/sdk/examples/deploy_app.go

// ABOUTME: Example demonstrating EdgeXR SDK usage for app deployment workflow
// ABOUTME: Shows app creation, querying, and cleanup using the typed SDK APIs

package main

import (
	"context"
	"fmt"
	"log"
	"net/http"
	"os"
	"time"

	"edp.buildth.ing/DevFW-CICD/edge-connect-client/internal/adapters/driven/edgeconnect"
	"edp.buildth.ing/DevFW-CICD/edge-connect-client/internal/core/domain"
	"edp.buildth.ing/DevFW-CICD/edge-connect-client/internal/infrastructure/edgeconnect_client"
)

func main() {
	// Configure SDK client
	baseURL := getEnvOrDefault("EDGEXR_BASE_URL", "https://hub.apps.edge.platform.mg3.mdb.osc.live")

	// Support both token-based and username/password authentication
	token := getEnvOrDefault("EDGEXR_TOKEN", "")
	username := getEnvOrDefault("EDGEXR_USERNAME", "")
	password := getEnvOrDefault("EDGEXR_PASSWORD", "")

	var client *edgeconnect_client.Client

	if token != "" {
		// Use static token authentication
		fmt.Println("🔐 Using Bearer token authentication")
		client = edgeconnect_client.NewClient(baseURL,
			edgeconnect_client.WithHTTPClient(&http.Client{Timeout: 30 * time.Second}),
			edgeconnect_client.WithAuthProvider(edgeconnect_client.NewStaticTokenProvider(token)),
			edgeconnect_client.WithLogger(log.Default()),
		)
	} else if username != "" && password != "" {
		// Use username/password authentication (matches existing client pattern)
		fmt.Println("🔐 Using username/password authentication")
		client = edgeconnect_client.NewClientWithCredentials(baseURL, username, password,
			edgeconnect_client.WithHTTPClient(&http.Client{Timeout: 30 * time.Second}),
			edgeconnect_client.WithLogger(log.Default()),
		)
	} else {
		log.Fatal("Authentication required: Set either EDGEXR_TOKEN or both EDGEXR_USERNAME and EDGEXR_PASSWORD")
	}

	adapter := edgeconnect.NewAdapter(client)

	ctx := context.Background()

	// Example application to deploy
	app := &NewAppInput{
		Region: "EU",
		App: App{
			Key: AppKey{
				Organization: "edp2",
				Name:         "my-edge-app",
				Version:      "1.0.0",
			},
			Deployment:       "docker",
			ImageType:        "ImageTypeDocker",
			ImagePath:        "https://registry-1.docker.io/library/nginx:latest",
			DefaultFlavor:    Flavor{Name: "EU.small"},
			ServerlessConfig: struct{}{},
			AllowServerless:  false,
		},
	}

	// Demonstrate app lifecycle
	if err := demonstrateAppLifecycle(ctx, adapter, app); err != nil {
		log.Fatalf("App lifecycle demonstration failed: %v", err)
	}

	fmt.Println("✅ SDK example completed successfully!")
}

func demonstrateAppLifecycle(ctx context.Context, adapter *edgeconnect.Adapter, input *NewAppInput) error {
	appKey := input.App.Key
	region := input.Region
	var domainAppKey domain.AppKey

	fmt.Printf("🚀 Demonstrating EdgeXR SDK with app: %s/%s v%s\n",
		appKey.Organization, appKey.Name, appKey.Version)

	// Step 1: Create the application
	fmt.Println("\n1. Creating application...")
	domainApp := &domain.App{
		Key: domain.AppKey{
			Organization: input.App.Key.Organization,
			Name:         input.App.Key.Name,
			Version:      input.App.Key.Version,
		},
		Deployment:       input.App.Deployment,
		ImageType:        input.App.ImageType,
		ImagePath:        input.App.ImagePath,
		DefaultFlavor:    domain.Flavor{Name: input.App.DefaultFlavor.Name},
		ServerlessConfig: input.App.ServerlessConfig,
		AllowServerless:  input.App.AllowServerless,
	}
	if err := adapter.CreateApp(ctx, input.Region, domainApp); err != nil {
		return fmt.Errorf("failed to create app: %+v", err)
	}
	fmt.Println("  ✅ App created successfully.")

	// Defer cleanup to ensure the app is deleted even if subsequent steps fail
	defer func() {
		fmt.Println("\n4. Cleaning up: Deleting application...")
		domainAppKey = domain.AppKey{
			Organization: appKey.Organization,
			Name:         appKey.Name,
			Version:      appKey.Version,
		}
		if err := adapter.DeleteApp(ctx, region, domainAppKey); err != nil {
			fmt.Printf("  ⚠️  Cleanup failed: %v\n", err)
		} else {
			fmt.Println("  ✅ App deleted successfully.")
		}
	}()

	// Step 2: Verify app creation by fetching it
	fmt.Println("\n2. Verifying app creation...")
	domainAppKey = domain.AppKey{
		Organization: appKey.Organization,
		Name:         appKey.Name,
		Version:      appKey.Version,
	}
	fetchedApp, err := adapter.ShowApp(ctx, region, domainAppKey)
	if err != nil {
		return fmt.Errorf("failed to get app after creation: %w", err)
	}
	fmt.Printf("  ✅ Fetched app: %s/%s v%s\n",
		fetchedApp.Key.Organization, fetchedApp.Key.Name, fetchedApp.Key.Version)

	// Step 3: (Placeholder for other operations like updating or deploying)
	fmt.Println("\n3. Skipping further operations in this example.")

	return nil
}

// Helper to get environment variables or return a default
func getEnvOrDefault(key, defaultValue string) string {
	if value, exists := os.LookupEnv(key); exists {
		return value
	}
	return defaultValue
}

// The structs below are included to make the example self-contained and runnable.
// In a real application, these would be defined in the `edgeconnect` package.

type NewAppInput struct {
	Region string
	App    App
}

type App struct {
	Key              AppKey
	Deployment       string
	ImageType        string
	ImagePath        string
	DefaultFlavor    Flavor
	ServerlessConfig interface{}
	AllowServerless  bool
}

type AppKey struct {
	Organization string
	Name         string
	Version      string
}

type Flavor struct {
	Name string
}