OpenStack：備份因看似錯誤的回應而失敗

OpenStack 備份會因為看似不良的回應而失敗。從 DPE 代理記錄中，發現 Json 檔案的回應似乎缺少記錄;「AttributeError：「json_record」物件沒有屬性「tenant_id」
DPE 代理記錄，驗證似乎是以系統管理員身分進行。

ERROR    avamar.service.proxy No access to tenant xxxxxx (admin)
 WARNING  avamar.service.proxy Client error: Cannot authenticate as tenant: admin
 avamar.service.proxy ==== backup_finish tenant: xxxxx client: xxxx
 INFO     avamar.stack.keystone direct_scoped_token is : False

dpe_proxy_service.log

- INFO     avamar.controller.conventions TENANT source      : uuid (admin) 
- INFO     avamar.controller.conventions TENANT destination : uui (avamar) 
- INFO     avamar.stack.meta nova-metadata href: https://urldefense.com/v3/__http://DPE_Proxy:8775/latest/__;!!LpKI!iyNU2VxHCuJVJ02KdrcyVvK46FIjVmgyFLiRjxPS2O0G0btCMxahE9YkrHnmnv5rjkKlwJxSAyHCuUcqKQEa6al7$ xxx secret: xxxxxxyyyyy 
- INFO     avamar.controller.backup keystone: type(keystone):<class 'avamar.stack.base.json_record'> 
- INFO     avamar.controller.backup keystone_cred: type(keystone_cred):<class 'dict'> 
- INFO     avamar.controller.proxy PROXY INSTANCE UUID(DPE_proxy-name) 
- INFO     avamar.controller.backup ==== BACKUP START ==== 
- INFO     avamar.controller.backup INSTANCE/python3.6/site-packages/avamar/controller/backup.py", line 212, in _fetch     metadata = self.meta.inspect(instance.tenant_id, instance.id) AttributeError: 'json_record' object has no attribute 'tenant_id' uuid 
- ERROR    avamar.controller.backup Cannot fetch metadata for instance: uuid Traceback (most recent call last):   File "/usr/lib/python3.6/site-packages/avamar/controller/backup.py", line 212, in _fetch     metadata = self.meta.inspect(instance.tenant_id, instance.id) AttributeError: 'json_record' object has no attribute 'tenant_id' 
- ERROR    avamar.controller.backup A client or server error on backup-start Traceback (most recent call last):   File "/usr/lib

Backup_Admin角色未新增為專案成員。

更改作為項目成員的Backup_admin角色。
例如，請參閱螢幕截圖：