Add: Dagger integration for building and running Harbor Satellite

Signed-off-by: bupd <bupdprasanth@gmail.com>

ci/main.go

@@ -2,8 +2,10 @@ package main
 
 import (
 	"context"
+	"log"
 	"log/slog"
 	"os"
+	"path/filepath"
 
 	"dagger.io/dagger"
 )
@@ -38,4 +40,44 @@ func main() {
 	}
 	// print output
 	slog.Info("Hello from Dagger!", "version", version)
+
+	buildSatellite(client, ctx)
+}
+
+// buildSatellite builds and runs the Satellite service
+func buildSatellite(client *dagger.Client, ctx context.Context) {
+	slog.Info("Starting the Satellite build process...")
+
+	// Get the directory of project located one level up from the current working directory
+	parentDir, err := getProjectDir()
+	if err != nil {
+		log.Fatalf("Error getting parent directory: %v", err)
+	}
+
+	// Use the parent directory path in Dagger
+	dir := client.Host().Directory(parentDir)
+
+	// Configure and build the container
+	container := client.Container().
+		From(imageVersion).
+		WithDirectory(appDir, dir).
+		WithWorkdir(appDir).
+		WithExec([]string{"go", "build", "-o", appBinary, sourceFile}).
+		WithExposedPort(containerPort).
+		WithExec([]string{"./" + appBinary})
+
+	// Start the service
+	_, err = container.AsService().Start(ctx)
+	if err != nil {
+		log.Fatalf("Error starting the Satellite service: %v", err)
+	}
+}
+
+// getProjectDir gets the directory of the project
+func getProjectDir() (string, error) {
+	currentDir, err := os.Getwd()
+	if err != nil {
+		return "", err
+	}
+	return filepath.Dir(currentDir), nil
 }

main.go

@@ -67,6 +67,9 @@ func run() error {
 		Addr:    ":9090",
 		Handler: mux,
 	}
+
+	fmt.Println("program running on port 9090")
+
 	g.Go(func() error {
 		if err := metricsSrv.ListenAndServe(); err != nil && !errors.Is(err, http.ErrServerClosed) {
 			return err
@@ -105,7 +108,6 @@ func run() error {
 				cancel()
 				return err
 			}
-
 		})
 	}