faas-clinet

faas-client/example/main.go

@@ -0,0 +1,148 @@
+package main
+
+import (
+	"context"
+	"encoding/json"
+	"log"
+	"time"
+
+	"github.com/google/uuid"
+	faasclient "github.com/RyanCopley/skybridge/faas-client"
+)
+
+func main() {
+	// Create FaaS client
+	client := faasclient.NewClient(
+		"http://localhost:8080",
+		faasclient.WithUserEmail("admin@example.com"),
+	)
+
+	ctx := context.Background()
+
+	// Create a simple Node.js function
+	log.Println("Creating function...")
+	createReq := &faasclient.CreateFunctionRequest{
+		Name:    "hello-world-example",
+		AppID:   "example-app",
+		Runtime: faasclient.RuntimeNodeJS18,
+		Handler: "index.handler",
+		Code:    "exports.handler = async (event) => { return { message: 'Hello, ' + (event.name || 'World') + '!' }; }",
+		Environment: map[string]string{
+			"NODE_ENV": "production",
+		},
+		Timeout: faasclient.Duration(30 * time.Second),
+		Memory:  256,
+		Owner: faasclient.Owner{
+			Type:  faasclient.OwnerTypeIndividual,
+			Name:  "Example User",
+			Owner: "admin@example.com",
+		},
+	}
+
+	function, err := client.CreateFunction(ctx, createReq)
+	if err != nil {
+		log.Fatalf("Failed to create function: %v", err)
+	}
+	log.Printf("Created function: %s (ID: %s)", function.Name, function.ID)
+
+	// Deploy the function
+	log.Println("Deploying function...")
+	deployResp, err := client.DeployFunction(ctx, function.ID, nil)
+	if err != nil {
+		log.Fatalf("Failed to deploy function: %v", err)
+	}
+	log.Printf("Deployment status: %s - %s", deployResp.Status, deployResp.Message)
+
+	// Execute function synchronously
+	log.Println("Executing function synchronously...")
+	input := json.RawMessage(`{"name": "Skybridge"}`)
+	executeReq := &faasclient.ExecuteFunctionRequest{
+		FunctionID: function.ID,
+		Input:      input,
+		Async:      false,
+	}
+
+	execResp, err := client.ExecuteFunction(ctx, executeReq)
+	if err != nil {
+		log.Fatalf("Failed to execute function: %v", err)
+	}
+	log.Printf("Sync execution result: %s", string(execResp.Output))
+	log.Printf("Duration: %v, Memory used: %d MB", execResp.Duration, execResp.MemoryUsed)
+
+	// Execute function asynchronously
+	log.Println("Invoking function asynchronously...")
+	asyncResp, err := client.InvokeFunction(ctx, function.ID, input)
+	if err != nil {
+		log.Fatalf("Failed to invoke function: %v", err)
+	}
+	log.Printf("Async execution ID: %s, Status: %s", asyncResp.ExecutionID, asyncResp.Status)
+
+	// Wait a moment for async execution to complete
+	time.Sleep(2 * time.Second)
+
+	// Get execution details
+	log.Println("Getting execution details...")
+	execution, err := client.GetExecution(ctx, asyncResp.ExecutionID)
+	if err != nil {
+		log.Fatalf("Failed to get execution: %v", err)
+	}
+	log.Printf("Execution status: %s", execution.Status)
+	if execution.Status == faasclient.StatusCompleted {
+		log.Printf("Async execution result: %s", string(execution.Output))
+		log.Printf("Duration: %v, Memory used: %d MB", execution.Duration, execution.MemoryUsed)
+	}
+
+	// Get execution logs
+	log.Println("Getting execution logs...")
+	logs, err := client.GetExecutionLogs(ctx, asyncResp.ExecutionID)
+	if err != nil {
+		log.Printf("Failed to get logs: %v", err)
+	} else {
+		log.Printf("Logs (%d entries):", len(logs.Logs))
+		for _, logLine := range logs.Logs {
+			log.Printf("  %s", logLine)
+		}
+	}
+
+	// List functions
+	log.Println("Listing functions...")
+	listResp, err := client.ListFunctions(ctx, "example-app", 10, 0)
+	if err != nil {
+		log.Fatalf("Failed to list functions: %v", err)
+	}
+	log.Printf("Found %d functions:", len(listResp.Functions))
+	for _, fn := range listResp.Functions {
+		log.Printf("  - %s (%s) - Runtime: %s", fn.Name, fn.ID, fn.Runtime)
+	}
+
+	// List executions for this function
+	log.Println("Listing executions...")
+	execListResp, err := client.ListExecutions(ctx, &function.ID, 10, 0)
+	if err != nil {
+		log.Fatalf("Failed to list executions: %v", err)
+	}
+	log.Printf("Found %d executions:", len(execListResp.Executions))
+	for _, exec := range execListResp.Executions {
+		status := string(exec.Status)
+		log.Printf("  - %s: %s (Duration: %v)", exec.ID, status, exec.Duration)
+	}
+
+	// Clean up - delete the function
+	log.Println("Cleaning up...")
+	err = client.DeleteFunction(ctx, function.ID)
+	if err != nil {
+		log.Fatalf("Failed to delete function: %v", err)
+	}
+	log.Printf("Deleted function: %s", function.ID)
+
+	log.Println("Example completed successfully!")
+}
+
+// Helper function to create a UUID from string (for testing)
+func mustParseUUID(s string) uuid.UUID {
+	id, err := uuid.Parse(s)
+	if err != nil {
+		panic(err)
+	}
+	return id
+}