feat: add BackupTarget configuration and update kustomization to include it

longhorn/backup-target.yaml

@@ -0,0 +1,9 @@
+apiVersion: longhorn.io/v1beta2
+kind: BackupTarget
+metadata:
+  name: default
+  namespace: longhorn-system
+spec:
+  backupTargetURL: "{{ .backupTarget }}"
+  credentialSecret: ""
+  pollInterval: 5m0s

longhorn/kustomization.yaml

@@ -3,5 +3,6 @@ kind: Kustomization
 
 resources:
   - longhorn.yaml
+  - backup-target.yaml
   - ingress.yaml
   - volumesnapshotclass-longhorn.yaml

longhorn/longhorn.yaml

@@ -83,8 +83,6 @@ data:
   default-setting.yaml: |-
     priority-class: longhorn-critical
     disable-revision-counter: true
-    backup-target: {{ .backupTarget }}
-    backup-target-credential-secret: ""
 ---
 # Source: longhorn/templates/storageclass.yaml
 apiVersion: v1