improve container validation output

Author: michalskrivanek

cmd/apply.go

@@ -60,9 +60,6 @@ var applyCmd = &cobra.Command{
 		}
 
 		config_lint.Validate(cfg)
-		if err := config_lint.ValidateWithError(cfg); err != nil {
-			return fmt.Errorf("config validation failed: %w", err)
-		}
 
 		tapplier, err := templating.NewTemplateApplier(cfg, nil)
 		if err != nil {

internal/config/loader.go

@@ -329,6 +329,8 @@ func retrieveContainerVersionsFromExporters(loaded *LoadedLabConfig) map[string]
 
 	// Retrieve version information for each unique image
 	for imageURL := range uniqueImages {
+		fmt.Printf("🔍 Checking container version for %s...\n", imageURL)
+
 		imageLabels, err := container.GetImageLabelsFromRegistry(imageURL)
 		if err != nil {
 			fmt.Printf("Latest container version of %s: unavailable (%v)\n", imageURL, err)

internal/exporter/ssh/ssh.go

@@ -336,12 +336,12 @@ func (m *SSHHostManager) checkDetailedContainerVersion(containerImage, svcName s
 // getRunningContainerLabels gets container labels from running container
 func (m *SSHHostManager) getRunningContainerLabels(serviceName string) (*container.ImageLabels, error) {
 	// Try jumpstarter labels first, then fall back to OCI standard labels
-	result, err := m.runCommand(fmt.Sprintf("podman inspect --format '{{index .Config.Labels \"jumpstarter.version\"}}\n{{index .Config.Labels \"jumpstarter.revision\"}}\n{{index .Config.Labels \"org.opencontainers.image.version\"}}\n{{index .Config.Labels \"org.opencontainers.image.revision\"}}' %s", serviceName))
+	result, err := m.runCommand(fmt.Sprintf("podman inspect --format '{{index .Config.Labels \"jumpstarter.version\"}} {{index .Config.Labels \"jumpstarter.revision\"}} {{index .Config.Labels \"org.opencontainers.image.version\"}} {{index .Config.Labels \"org.opencontainers.image.revision\"}}' %s", serviceName))
 	if err != nil {
 		return nil, fmt.Errorf("failed to inspect container %s: %w", serviceName, err)
 	}
 
-	parts := strings.Split(strings.TrimSpace(result.Stdout), "\n")
+	parts := strings.Fields(strings.TrimSpace(result.Stdout))
 	// Pad with empty strings if we got fewer parts
 	for len(parts) < 4 {
 		parts = append(parts, "")