OpenStack：CHAPの使用中はボリュームを接続できません
環境
- OpenStack
- Cinder
問題
単方向CHAP認証の使用中にCinderボリュームをインスタンスに接続しようとすると、「VolumeBackendAPIException」が表示されます。 問題 を再現するには：
- Cinderボリュームのインスタンスへの接続を試行します
# openstack server add volume <server><volume>
- Cinderボリュームログには次のVolumeBackendAPIExceptionが表示されます。
2021-02-19 15:33:22.495 26388 ERROR cinder.volume.manager VolumeBackendAPIException: Bad or unexpected response from the storage volume backend API: Failed to set CHAP authentication for target IQN iqn.1994-05.com.redhat:xxxxxxxxxx. Details: Unexpected output. Expected [Password:] but received [Last login time: 2/19/2021 20:29:52^M
2021-02-19 15:33:22.495 26388 ERROR cinder.volume.manager
2021-02-19 15:33:22.495 26388 ERROR cinder.volume.manager Password:]
2021-02-19 15:33:22.495 26388 ERROR cinder.volume.manager
2021-02-19 15:33:22.496 26388 ERROR oslo_messaging.rpc.server [req-6986ef79-84e3-48b4-b38c-a2dfc7c8eba8 9f61737278e74e299ecf78393c6f2cc4 aa13b5b8c1e449fd93e598af2b4af8d0 - default default] Exception during message handling: VolumeBackendAPIException: Bad or unexpected response from the storage volume backend API: Driver initialize connection failed (error: Bad or unexpected response from the storage volume backend API: Failed to set CHAP authentication for target IQN iqn.1994-05.com.redhat:xxxxxxxxxxx. Details: Unexpected output. Expected [Password:] but received [Last login time: 2/19/2021 20:29:52^M