add length limits to API name

Signed-off-by: LiZhenCheng9527 <lizhencheng6@huawei.com>

Author: LiZhenCheng9527

pkg/cluster-operator/customcluster_helper.go

@@ -283,11 +283,21 @@ func generateClusterConfigKey(customCluster *v1alpha1.CustomCluster) client.Obje
 }
 
 func generateClusterHostsName(customCluster *v1alpha1.CustomCluster) string {
-	return customCluster.Name + "-" + ClusterHostsName
+	name := customCluster.Name + "-" + ClusterHostsName
+	name = strings.ToLower(name)
+	if len(name) > 63 {
+		name = name[:63]
+	}
+	return name
 }
 
 func generateClusterConfigName(customCluster *v1alpha1.CustomCluster) string {
-	return customCluster.Name + "-" + ClusterConfigName
+	name := customCluster.Name + "-" + ClusterConfigName
+	name = strings.ToLower(name)
+	if len(name) > 63 {
+		name = name[:63]
+	}
+	return name
 }
 
 func generateOwnerRefFromCustomCluster(customCluster *v1alpha1.CustomCluster) metav1.OwnerReference {

pkg/cluster-operator/customcluster_scale.go

@@ -234,7 +234,12 @@ func generateScaleUpHostsKey(customCluster *v1alpha1.CustomCluster) client.Objec
 }
 
 func generateScaleUpHostsName(customCluster *v1alpha1.CustomCluster) string {
-	return customCluster.Name + "-" + ClusterHostsName + "-scale-up"
+	name := customCluster.Name + "-" + ClusterHostsName + "-scale-up"
+	name = strings.ToLower(name)
+	if len(name) > 63 {
+		name = name[:63]
+	}
+	return name
 }
 
 // generateScaleDownManageCMD generate a kubespray cmd to delete the node from the list of nodesNeedDelete.

pkg/fleet-manager/backup/shared.go

@@ -19,6 +19,7 @@ import (
 	"fmt"
 	"reflect"
 	"sort"
+	"strings"
 	"time"
 
 	"github.com/robfig/cron/v3"
@@ -241,7 +242,12 @@ func generateVeleroResourceObjectMeta(veleroResourceName string, labels map[stri
 
 // generateVeleroResourceName generate a name uniquely across object store
 func generateVeleroResourceName(clusterName, creatorKind, creatorNamespace, creatorName string) string {
-	return clusterName + "-" + creatorKind + "-" + creatorNamespace + "-" + creatorName
+	name := clusterName + "-" + creatorKind + "-" + creatorNamespace + "-" + creatorName
+	name = strings.ToLower(name)
+	if len(name) > 63 {
+		name = name[:63]
+	}
+	return name
 }
 
 // MostRecentCompletedBackup returns the most recent backup that's completed from a list of backups.