zarf package structures now store components as compressed tarballs

src/pkg/packager/common.go

@@ -205,6 +205,24 @@ func (p *Packager) loadZarfPkg() error {
 		return fmt.Errorf("unable to read the zarf.yaml in %s: %w", p.tmp.Base, err)
 	}
 
+	// Get a list of paths for the components of the package
+	components, err := os.ReadDir(p.tmp.Components)
+	if err != nil {
+		return fmt.Errorf("unable to get a list of components... %w", err)
+	}
+	for _, component := range components {
+		// If the components are compressed tarballs, un-compress them
+		componentPath := filepath.Join(p.tmp.Components, component.Name())
+		if !component.IsDir() && strings.HasSuffix(component.Name(), ".tar.zst") {
+			if err := archiver.Unarchive(componentPath, p.tmp.Components); err != nil {
+				return fmt.Errorf("unable to extract the component: %w", err)
+			}
+
+			// After extracting the component, remove the compressed tarball to release disk space
+			_ = os.Remove(filepath.Join(p.tmp.Components, component.Name()))
+		}
+	}
+
 	// If SBOM files exist, temporarily place them in the deploy directory
 	if err := sbom.OutputSBOMFiles(p.tmp, config.ZarfSBOMDir, ""); err != nil {
 		// Don't stop the deployment, let the user decide if they want to continue the deployment

src/pkg/packager/create.go

@@ -142,6 +142,23 @@ func (p *Packager) Create(baseDir string) error {
 		sbom.Catalog(componentSBOMs, pulledImages, p.tmp.Images, p.tmp.Sboms)
 	}
 
+	// Process the component directories into compressed tarballs
+	// NOTE: This is purposefully being done after the SBOM cataloging
+	for _, component := range p.cfg.Pkg.Components {
+		// Make the component a tar.zst archive
+		componentPaths, _ := p.createComponentPaths(component)
+		componentName := fmt.Sprintf("%s.%s", component.Name, "tar.zst")
+		componentTarPath := filepath.Join(p.tmp.Components, componentName)
+		if err := archiver.Archive([]string{componentPaths.Base}, componentTarPath); err != nil {
+			return fmt.Errorf("unable to create package: %w", err)
+		}
+
+		// Remove the deflated component directory
+		if err := os.RemoveAll(componentPaths.Base); err != nil {
+			message.Debugf("unable to remove the component directory (%s): %s", componentPaths.Base, err.Error())
+		}
+	}
+
 	// In case the directory was changed, reset to prevent breaking relative target paths
 	if originalDir != "" {
 		_ = os.Chdir(originalDir)