fix: sanitize dots in DGD names for DNS-1035 and dynamo namespace endpoint paths (#7032)

Signed-off-by: Hannah Zhang <hannahz@nvidia.com>

deploy/operator/api/v1alpha1/dynamocomponentdeployment_types.go

@@ -21,6 +21,7 @@ package v1alpha1
 
 import (
 	"fmt"
+	"strings"
 
 	commonconsts "github.com/ai-dynamo/dynamo/deploy/operator/internal/consts"
 	corev1 "k8s.io/api/core/v1"
@@ -351,7 +352,11 @@ func ComputeDynamoNamespace(globalDynamoNamespace bool, k8sNamespace, dgdName st
 	if globalDynamoNamespace {
 		return commonconsts.GlobalDynamoNamespace
 	}
-	return fmt.Sprintf("%s-%s", k8sNamespace, dgdName)
+	// The dynamo namespace is used as the first segment of endpoint paths
+	// (e.g. "namespace.component.endpoint"). Dots in resource names (from model
+	// version strings like "Qwen3-0.6B") would break that parsing, so replace them.
+	sanitized := strings.ReplaceAll(dgdName, ".", "-")
+	return fmt.Sprintf("%s-%s", k8sNamespace, sanitized)
 }
 
 // ModelReference identifies a model served by this component

deploy/operator/internal/dynamo/graph.go

@@ -673,7 +673,9 @@ func GenerateComponentService(params ComponentServiceParams) (*corev1.Service, e
 
 	service := &corev1.Service{
 		ObjectMeta: metav1.ObjectMeta{
-			Name:        params.ServiceName,
+			// Service names must be DNS-1035 labels (no dots). Replace dots with
+			// hyphens so model names like "Qwen3-0.6B" don't cause rejections.
+			Name:        strings.ReplaceAll(params.ServiceName, ".", "-"),
 			Namespace:   params.Namespace,
 			Labels:      labels,
 			Annotations: annotations,