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[Bug 2060934] [NEW] nova boot fails while using bootable cinder volume which was created from an image created from a volume

 

Public bug reported:

Description
===========
nova boot fails while using bootable cinder volume as a backend when that cinder volume is created from a volume-based image.

A similar issue is https://bugzilla.redhat.com/show_bug.cgi?id=1414226.

Steps to reproduce
==================
1. Create a bootable volume.
[root@zhuljbj-mgt ~]# cinder list
+--------------------------------------+-----------+------------------+------+--------------------------------------------------------------------------------------+----------+--------------------------------------+
| ID                                   | Status    | Name             | Size | Volume Type                                                                          | Bootable | Attached to                          |
+--------------------------------------+-----------+------------------+------+--------------------------------------------------------------------------------------+----------+--------------------------------------+
| 5228a250-e541-434f-af7d-e583aed58c4c | available | zlj-vol          | 10   | fl63 base template                                                                   | true     |                                      |
+--------------------------------------+-----------+------------------+------+--------------------------------------------------------------------------------------+----------+--------------------------------------+

2. Create a glance image with the volume 'zlj-vol'
[root@zhuljbj-mgt ~]# glance image-list
+--------------------------------------+-----------------+
| ID                                   | Name            |
+--------------------------------------+-----------------+
| 3f3eff5f-33b6-490f-ae08-f4dbc048b178 | zlj-vol-img     |
+--------------------------------------+-----------------+

[root@zhuljbj-mgt ~]# glance image-show 3f3eff5f-33b6-490f-ae08-f4dbc048b178
+----------------------+----------------------------------------------------------------------------------+
| Property             | Value                                                                            |
+----------------------+----------------------------------------------------------------------------------+
| architecture         | s390x                                                                            |
| base_image_ref       |                                                                                  |
| bdm_v2               | True                                                                             |
| block_device_mapping | [{"guest_format":null,"boot_index":0,"no_device":null,"image_id":null,"volume_id |
|                      | ":"5228a250-e541-434f-af7d-e583aed58c4c","volume_type":"fl63 base template","dis |
|                      | k_bus":null,"device_name":"/dev/vda","volume_size":10,"source_type":"volume","sn |
|                      | apshot_id":null,"destination_type":"volume","delete_on_termination":false}]      |
| checksum             | d41d8cd98f00b204e9800998ecf8427e                                                 |
| container_format     | bare                                                                             |
| created_at           | 2024-04-11T09:06:27Z                                                             |
| disk_format          | raw                                                                              |
| disk_type            | SCSI                                                                             |
| hypervisor_type      | zvm                                                                              |
| id                   | 3f3eff5f-33b6-490f-ae08-f4dbc048b178                                             |
| min_disk             | 0                                                                                |
| min_ram              | 0                                                                                |
| name                 | zlj-vol-img                                                                      |
| os_distro            | Rhel9                                                                            |
| os_hash_algo         | sha512                                                                           |
| os_hash_value        | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0 |
|                      | ff8318d2877eec2f63b931bd47417a81a538327af927da3e                                 |
| os_hidden            | False                                                                            |
| owner                | 6f9ee43b492f40efa3506a9f45a59665                                                 |
| protected            | False                                                                            |
| secure_execution     | False                                                                            |
| size                 | 0                                                                                |
| status               | active                                                                           |
| tags                 | []                                                                               |
| updated_at           | 2024-04-11T09:06:28Z                                                             |
| virtual_size         | Not available                                                                    |
| visibility           | private                                                                          |
+----------------------+----------------------------------------------------------------------------------+

3. Create a bootable cinder volume using the image
[root@zhuljbj-mgt ~]# cinder create --image zlj-vol-img --display-name zlj-vt-from-img 20
+------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------+
| Property                     | Value                                                                                                                                            |
+------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------+
| attachments                  | []                                                                                                                                               |
| availability_zone            | Default_Group                                                                                                                                    |
| bootable                     | false                                                                                                                                            |
| consistencygroup_id          | None                                                                                                                                             |
| created_at                   | 2024-04-11T09:07:02.000000                                                                                                                       |
| description                  | None                                                                                                                                             |
| encrypted                    | False                                                                                                                                            |
| group_id                     | None                                                                                                                                             |
| health_status                | {'id': '72aa9955-a0db-4352-b702-9a93e120de5f', 'health_value': 'PENDING', 'updated_at': '2024-04-11T09:07:02.842989', 'value_reason': 'PENDING'} |
| host                         | None                                                                                                                                             |
| id                           | 72aa9955-a0db-4352-b702-9a93e120de5f                                                                                                             |
| metadata                     | {}                                                                                                                                               |
| migration_status             | None                                                                                                                                             |
| multiattach                  | False                                                                                                                                            |
| name                         | zlj-vt-from-img                                                                                                                                  |
| os-vol-host-attr:host        | None                                                                                                                                             |
| os-vol-tenant-attr:tenant_id | 6f9ee43b492f40efa3506a9f45a59665                                                                                                                 |
| provider_id                  | None                                                                                                                                             |
| replication_status           | None                                                                                                                                             |
| service_uuid                 | None                                                                                                                                             |
| shared_targets               | True                                                                                                                                             |
| size                         | 20                                                                                                                                               |
| snapshot_id                  | None                                                                                                                                             |
| source_volid                 | None                                                                                                                                             |
| status                       | creating                                                                                                                                         |
| updated_at                   | None                                                                                                                                             |
| user_id                      | 0688b01e6439ca32d698d20789d52169126fb41fb1a4ddafcebb97d854e836c9                                                                                 |
| volume_type                  | None                                                                                                                                             |
+------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------+

4. Boot a vm instance using the bootable cinder volume
[root@zhuljbj-mgt ~]# nova boot --poll --flavor tiny --nic net-name=zvmnet --block-device-mapping vda=72aa9955-a0db-4352-b702-9a93e120de5f:::0 inst4
nova CLI is deprecated and will be a removed in a future release
ERROR (BadRequest): Invalid image metadata. Error: A list is required in field img_block_device_mapping, not a str (HTTP 400) (Request-ID: req-0b66590b-e421-4b58-b1cf-62c6199470ba)

Expected result
===============
nova boot command should complete successfully without any errors.

Actual result
=============
Below error is reported.
ERROR (BadRequest): Invalid image metadata. Error: A list is required in field img_block_device_mapping, not a str (HTTP 400) (Request-ID: req-0b66590b-e421-4b58-b1cf-62c6199470ba)

Environment
===========
1. Exact version of OpenStack you are running. See the following
  list for all releases: http://docs.openstack.org/releases/

[root@zhuljbj-mgt ~]# rpm -qa | grep nova
openstack-nova-api-27.0.0-122.0.202404060250.ibm.el8.noarch
openstack-nova-common-27.0.0-122.0.202404060250.ibm.el8.noarch
openstack-nova-27.0.0-122.0.202404060250.ibm.el8.noarch
python3-nova-27.0.0-122.0.202404060250.ibm.el8.noarch
openstack-nova-conductor-27.0.0-122.0.202404060250.ibm.el8.noarch
openstack-nova-scheduler-27.0.0-122.0.202404060250.ibm.el8.noarch
openstack-nova-compute-27.0.0-122.0.202404060250.ibm.el8.noarch
openstack-nova-novncproxy-27.0.0-122.0.202404060250.ibm.el8.noarch
openstack-nova-compute-prereqs-2013.1-122.0.202401180005.ibm.el8.s390x
python3-novaclient-18.3.0-122.0.202401181402.ibm.el8.noarch
openstack-nova-network-27.0.0-122.0.202404060250.ibm.el8.noarch
openstack-nova-console-27.0.0-122.0.202404060250.ibm.el8.noarch

2. Which hypervisor did you use?
   z/VM

2. Which storage type did you use?
   IBM Flashsystem

3. Which networking type did you use?
   nova-network

Logs & Configs
==============

** Affects: nova
     Importance: Undecided
         Status: New

** Description changed:

  Description
  ===========
  nova boot fails while using bootable cinder volume as a backend when that cinder volume is created from a volume-based image.
+ 
+ A similar issue is https://bugzilla.redhat.com/show_bug.cgi?id=1414226.
  
  Steps to reproduce
  ==================
  1. Create a bootable volume.
  [root@zhuljbj-mgt ~]# cinder list
  +--------------------------------------+-----------+------------------+------+--------------------------------------------------------------------------------------+----------+--------------------------------------+
  | ID                                   | Status    | Name             | Size | Volume Type                                                                          | Bootable | Attached to                          |
  +--------------------------------------+-----------+------------------+------+--------------------------------------------------------------------------------------+----------+--------------------------------------+
  | 5228a250-e541-434f-af7d-e583aed58c4c | available | zlj-vol          | 10   | fl63 base template                                                                   | true     |                                      |
  +--------------------------------------+-----------+------------------+------+--------------------------------------------------------------------------------------+----------+--------------------------------------+
  
  2. Create a glance image with the volume 'zlj-vol'
  [root@zhuljbj-mgt ~]# glance image-list
  +--------------------------------------+-----------------+
  | ID                                   | Name            |
  +--------------------------------------+-----------------+
  | 3f3eff5f-33b6-490f-ae08-f4dbc048b178 | zlj-vol-img     |
  +--------------------------------------+-----------------+
  
  [root@zhuljbj-mgt ~]# glance image-show 3f3eff5f-33b6-490f-ae08-f4dbc048b178
  +----------------------+----------------------------------------------------------------------------------+
  | Property             | Value                                                                            |
  +----------------------+----------------------------------------------------------------------------------+
  | architecture         | s390x                                                                            |
  | base_image_ref       |                                                                                  |
  | bdm_v2               | True                                                                             |
  | block_device_mapping | [{"guest_format":null,"boot_index":0,"no_device":null,"image_id":null,"volume_id |
  |                      | ":"5228a250-e541-434f-af7d-e583aed58c4c","volume_type":"fl63 base template","dis |
  |                      | k_bus":null,"device_name":"/dev/vda","volume_size":10,"source_type":"volume","sn |
  |                      | apshot_id":null,"destination_type":"volume","delete_on_termination":false}]      |
  | checksum             | d41d8cd98f00b204e9800998ecf8427e                                                 |
  | container_format     | bare                                                                             |
  | created_at           | 2024-04-11T09:06:27Z                                                             |
  | disk_format          | raw                                                                              |
  | disk_type            | SCSI                                                                             |
  | hypervisor_type      | zvm                                                                              |
  | id                   | 3f3eff5f-33b6-490f-ae08-f4dbc048b178                                             |
  | min_disk             | 0                                                                                |
  | min_ram              | 0                                                                                |
  | name                 | zlj-vol-img                                                                      |
  | os_distro            | Rhel9                                                                            |
  | os_hash_algo         | sha512                                                                           |
  | os_hash_value        | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0 |
  |                      | ff8318d2877eec2f63b931bd47417a81a538327af927da3e                                 |
  | os_hidden            | False                                                                            |
  | owner                | 6f9ee43b492f40efa3506a9f45a59665                                                 |
  | protected            | False                                                                            |
  | secure_execution     | False                                                                            |
  | size                 | 0                                                                                |
  | status               | active                                                                           |
  | tags                 | []                                                                               |
  | updated_at           | 2024-04-11T09:06:28Z                                                             |
  | virtual_size         | Not available                                                                    |
  | visibility           | private                                                                          |
  +----------------------+----------------------------------------------------------------------------------+
  
- 3. Create a bootable cinder volume using the image 
+ 3. Create a bootable cinder volume using the image
+ ```
  [root@zhuljbj-mgt ~]# cinder create --image zlj-vol-img --display-name zlj-vt-from-img 20
  +------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------+
  | Property                     | Value                                                                                                                                            |
  +------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------+
  | attachments                  | []                                                                                                                                               |
  | availability_zone            | Default_Group                                                                                                                                    |
  | bootable                     | false                                                                                                                                            |
  | consistencygroup_id          | None                                                                                                                                             |
  | created_at                   | 2024-04-11T09:07:02.000000                                                                                                                       |
  | description                  | None                                                                                                                                             |
  | encrypted                    | False                                                                                                                                            |
  | group_id                     | None                                                                                                                                             |
  | health_status                | {'id': '72aa9955-a0db-4352-b702-9a93e120de5f', 'health_value': 'PENDING', 'updated_at': '2024-04-11T09:07:02.842989', 'value_reason': 'PENDING'} |
  | host                         | None                                                                                                                                             |
  | id                           | 72aa9955-a0db-4352-b702-9a93e120de5f                                                                                                             |
  | metadata                     | {}                                                                                                                                               |
  | migration_status             | None                                                                                                                                             |
  | multiattach                  | False                                                                                                                                            |
  | name                         | zlj-vt-from-img                                                                                                                                  |
  | os-vol-host-attr:host        | None                                                                                                                                             |
  | os-vol-tenant-attr:tenant_id | 6f9ee43b492f40efa3506a9f45a59665                                                                                                                 |
  | provider_id                  | None                                                                                                                                             |
  | replication_status           | None                                                                                                                                             |
  | service_uuid                 | None                                                                                                                                             |
  | shared_targets               | True                                                                                                                                             |
  | size                         | 20                                                                                                                                               |
  | snapshot_id                  | None                                                                                                                                             |
  | source_volid                 | None                                                                                                                                             |
  | status                       | creating                                                                                                                                         |
  | updated_at                   | None                                                                                                                                             |
  | user_id                      | 0688b01e6439ca32d698d20789d52169126fb41fb1a4ddafcebb97d854e836c9                                                                                 |
  | volume_type                  | None                                                                                                                                             |
  +------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------+
+ ```
  
  4. Boot a vm instance using the bootable cinder volume
  [root@zhuljbj-mgt ~]# nova boot --poll --flavor tiny --nic net-name=zvmnet --block-device-mapping vda=72aa9955-a0db-4352-b702-9a93e120de5f:::0 inst4
  nova CLI is deprecated and will be a removed in a future release
  ERROR (BadRequest): Invalid image metadata. Error: A list is required in field img_block_device_mapping, not a str (HTTP 400) (Request-ID: req-0b66590b-e421-4b58-b1cf-62c6199470ba)
  
  Expected result
  ===============
  nova boot command should complete successfully without any errors.
  
  Actual result
  =============
  Below error is reported.
  ERROR (BadRequest): Invalid image metadata. Error: A list is required in field img_block_device_mapping, not a str (HTTP 400) (Request-ID: req-0b66590b-e421-4b58-b1cf-62c6199470ba)
  
  Environment
  ===========
  1. Exact version of OpenStack you are running. See the following
-   list for all releases: http://docs.openstack.org/releases/
- 
+   list for all releases: http://docs.openstack.org/releases/
  
  [root@zhuljbj-mgt ~]# rpm -qa | grep nova
  openstack-nova-api-27.0.0-122.0.202404060250.ibm.el8.noarch
  openstack-nova-common-27.0.0-122.0.202404060250.ibm.el8.noarch
  openstack-nova-27.0.0-122.0.202404060250.ibm.el8.noarch
  python3-nova-27.0.0-122.0.202404060250.ibm.el8.noarch
  openstack-nova-conductor-27.0.0-122.0.202404060250.ibm.el8.noarch
  openstack-nova-scheduler-27.0.0-122.0.202404060250.ibm.el8.noarch
  openstack-nova-compute-27.0.0-122.0.202404060250.ibm.el8.noarch
  openstack-nova-novncproxy-27.0.0-122.0.202404060250.ibm.el8.noarch
  openstack-nova-compute-prereqs-2013.1-122.0.202401180005.ibm.el8.s390x
  python3-novaclient-18.3.0-122.0.202401181402.ibm.el8.noarch
  openstack-nova-network-27.0.0-122.0.202404060250.ibm.el8.noarch
  openstack-nova-console-27.0.0-122.0.202404060250.ibm.el8.noarch
  
  2. Which hypervisor did you use?
-    z/VM
+    z/VM
  
  2. Which storage type did you use?
-    IBM Flashsystem
+    IBM Flashsystem
  
  3. Which networking type did you use?
-    nova-network
+    nova-network
  
  Logs & Configs
  ==============

** Description changed:

  Description
  ===========
  nova boot fails while using bootable cinder volume as a backend when that cinder volume is created from a volume-based image.
  
  A similar issue is https://bugzilla.redhat.com/show_bug.cgi?id=1414226.
  
  Steps to reproduce
  ==================
  1. Create a bootable volume.
  [root@zhuljbj-mgt ~]# cinder list
  +--------------------------------------+-----------+------------------+------+--------------------------------------------------------------------------------------+----------+--------------------------------------+
  | ID                                   | Status    | Name             | Size | Volume Type                                                                          | Bootable | Attached to                          |
  +--------------------------------------+-----------+------------------+------+--------------------------------------------------------------------------------------+----------+--------------------------------------+
  | 5228a250-e541-434f-af7d-e583aed58c4c | available | zlj-vol          | 10   | fl63 base template                                                                   | true     |                                      |
  +--------------------------------------+-----------+------------------+------+--------------------------------------------------------------------------------------+----------+--------------------------------------+
  
  2. Create a glance image with the volume 'zlj-vol'
  [root@zhuljbj-mgt ~]# glance image-list
  +--------------------------------------+-----------------+
  | ID                                   | Name            |
  +--------------------------------------+-----------------+
  | 3f3eff5f-33b6-490f-ae08-f4dbc048b178 | zlj-vol-img     |
  +--------------------------------------+-----------------+
  
  [root@zhuljbj-mgt ~]# glance image-show 3f3eff5f-33b6-490f-ae08-f4dbc048b178
  +----------------------+----------------------------------------------------------------------------------+
  | Property             | Value                                                                            |
  +----------------------+----------------------------------------------------------------------------------+
  | architecture         | s390x                                                                            |
  | base_image_ref       |                                                                                  |
  | bdm_v2               | True                                                                             |
  | block_device_mapping | [{"guest_format":null,"boot_index":0,"no_device":null,"image_id":null,"volume_id |
  |                      | ":"5228a250-e541-434f-af7d-e583aed58c4c","volume_type":"fl63 base template","dis |
  |                      | k_bus":null,"device_name":"/dev/vda","volume_size":10,"source_type":"volume","sn |
  |                      | apshot_id":null,"destination_type":"volume","delete_on_termination":false}]      |
  | checksum             | d41d8cd98f00b204e9800998ecf8427e                                                 |
  | container_format     | bare                                                                             |
  | created_at           | 2024-04-11T09:06:27Z                                                             |
  | disk_format          | raw                                                                              |
  | disk_type            | SCSI                                                                             |
  | hypervisor_type      | zvm                                                                              |
  | id                   | 3f3eff5f-33b6-490f-ae08-f4dbc048b178                                             |
  | min_disk             | 0                                                                                |
  | min_ram              | 0                                                                                |
  | name                 | zlj-vol-img                                                                      |
  | os_distro            | Rhel9                                                                            |
  | os_hash_algo         | sha512                                                                           |
  | os_hash_value        | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0 |
  |                      | ff8318d2877eec2f63b931bd47417a81a538327af927da3e                                 |
  | os_hidden            | False                                                                            |
  | owner                | 6f9ee43b492f40efa3506a9f45a59665                                                 |
  | protected            | False                                                                            |
  | secure_execution     | False                                                                            |
  | size                 | 0                                                                                |
  | status               | active                                                                           |
  | tags                 | []                                                                               |
  | updated_at           | 2024-04-11T09:06:28Z                                                             |
  | virtual_size         | Not available                                                                    |
  | visibility           | private                                                                          |
  +----------------------+----------------------------------------------------------------------------------+
  
  3. Create a bootable cinder volume using the image
- ```
  [root@zhuljbj-mgt ~]# cinder create --image zlj-vol-img --display-name zlj-vt-from-img 20
  +------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------+
  | Property                     | Value                                                                                                                                            |
  +------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------+
  | attachments                  | []                                                                                                                                               |
  | availability_zone            | Default_Group                                                                                                                                    |
  | bootable                     | false                                                                                                                                            |
  | consistencygroup_id          | None                                                                                                                                             |
  | created_at                   | 2024-04-11T09:07:02.000000                                                                                                                       |
  | description                  | None                                                                                                                                             |
  | encrypted                    | False                                                                                                                                            |
  | group_id                     | None                                                                                                                                             |
  | health_status                | {'id': '72aa9955-a0db-4352-b702-9a93e120de5f', 'health_value': 'PENDING', 'updated_at': '2024-04-11T09:07:02.842989', 'value_reason': 'PENDING'} |
  | host                         | None                                                                                                                                             |
  | id                           | 72aa9955-a0db-4352-b702-9a93e120de5f                                                                                                             |
  | metadata                     | {}                                                                                                                                               |
  | migration_status             | None                                                                                                                                             |
  | multiattach                  | False                                                                                                                                            |
  | name                         | zlj-vt-from-img                                                                                                                                  |
  | os-vol-host-attr:host        | None                                                                                                                                             |
  | os-vol-tenant-attr:tenant_id | 6f9ee43b492f40efa3506a9f45a59665                                                                                                                 |
  | provider_id                  | None                                                                                                                                             |
  | replication_status           | None                                                                                                                                             |
  | service_uuid                 | None                                                                                                                                             |
  | shared_targets               | True                                                                                                                                             |
  | size                         | 20                                                                                                                                               |
  | snapshot_id                  | None                                                                                                                                             |
  | source_volid                 | None                                                                                                                                             |
  | status                       | creating                                                                                                                                         |
  | updated_at                   | None                                                                                                                                             |
  | user_id                      | 0688b01e6439ca32d698d20789d52169126fb41fb1a4ddafcebb97d854e836c9                                                                                 |
  | volume_type                  | None                                                                                                                                             |
  +------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------+
- ```
  
  4. Boot a vm instance using the bootable cinder volume
  [root@zhuljbj-mgt ~]# nova boot --poll --flavor tiny --nic net-name=zvmnet --block-device-mapping vda=72aa9955-a0db-4352-b702-9a93e120de5f:::0 inst4
  nova CLI is deprecated and will be a removed in a future release
  ERROR (BadRequest): Invalid image metadata. Error: A list is required in field img_block_device_mapping, not a str (HTTP 400) (Request-ID: req-0b66590b-e421-4b58-b1cf-62c6199470ba)
  
  Expected result
  ===============
  nova boot command should complete successfully without any errors.
  
  Actual result
  =============
  Below error is reported.
  ERROR (BadRequest): Invalid image metadata. Error: A list is required in field img_block_device_mapping, not a str (HTTP 400) (Request-ID: req-0b66590b-e421-4b58-b1cf-62c6199470ba)
  
  Environment
  ===========
  1. Exact version of OpenStack you are running. See the following
    list for all releases: http://docs.openstack.org/releases/
  
  [root@zhuljbj-mgt ~]# rpm -qa | grep nova
  openstack-nova-api-27.0.0-122.0.202404060250.ibm.el8.noarch
  openstack-nova-common-27.0.0-122.0.202404060250.ibm.el8.noarch
  openstack-nova-27.0.0-122.0.202404060250.ibm.el8.noarch
  python3-nova-27.0.0-122.0.202404060250.ibm.el8.noarch
  openstack-nova-conductor-27.0.0-122.0.202404060250.ibm.el8.noarch
  openstack-nova-scheduler-27.0.0-122.0.202404060250.ibm.el8.noarch
  openstack-nova-compute-27.0.0-122.0.202404060250.ibm.el8.noarch
  openstack-nova-novncproxy-27.0.0-122.0.202404060250.ibm.el8.noarch
  openstack-nova-compute-prereqs-2013.1-122.0.202401180005.ibm.el8.s390x
  python3-novaclient-18.3.0-122.0.202401181402.ibm.el8.noarch
  openstack-nova-network-27.0.0-122.0.202404060250.ibm.el8.noarch
  openstack-nova-console-27.0.0-122.0.202404060250.ibm.el8.noarch
  
  2. Which hypervisor did you use?
     z/VM
  
  2. Which storage type did you use?
     IBM Flashsystem
  
  3. Which networking type did you use?
     nova-network
  
  Logs & Configs
  ==============

-- 
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Engineering Team, which is subscribed to OpenStack Compute (nova).
https://bugs.launchpad.net/bugs/2060934

Title:
   nova boot fails while using bootable cinder volume which was created
  from an image created from a volume

Status in OpenStack Compute (nova):
  New

Bug description:
  Description
  ===========
  nova boot fails while using bootable cinder volume as a backend when that cinder volume is created from a volume-based image.

  A similar issue is
  https://bugzilla.redhat.com/show_bug.cgi?id=1414226.

  Steps to reproduce
  ==================
  1. Create a bootable volume.
  [root@zhuljbj-mgt ~]# cinder list
  +--------------------------------------+-----------+------------------+------+--------------------------------------------------------------------------------------+----------+--------------------------------------+
  | ID                                   | Status    | Name             | Size | Volume Type                                                                          | Bootable | Attached to                          |
  +--------------------------------------+-----------+------------------+------+--------------------------------------------------------------------------------------+----------+--------------------------------------+
  | 5228a250-e541-434f-af7d-e583aed58c4c | available | zlj-vol          | 10   | fl63 base template                                                                   | true     |                                      |
  +--------------------------------------+-----------+------------------+------+--------------------------------------------------------------------------------------+----------+--------------------------------------+

  2. Create a glance image with the volume 'zlj-vol'
  [root@zhuljbj-mgt ~]# glance image-list
  +--------------------------------------+-----------------+
  | ID                                   | Name            |
  +--------------------------------------+-----------------+
  | 3f3eff5f-33b6-490f-ae08-f4dbc048b178 | zlj-vol-img     |
  +--------------------------------------+-----------------+

  [root@zhuljbj-mgt ~]# glance image-show 3f3eff5f-33b6-490f-ae08-f4dbc048b178
  +----------------------+----------------------------------------------------------------------------------+
  | Property             | Value                                                                            |
  +----------------------+----------------------------------------------------------------------------------+
  | architecture         | s390x                                                                            |
  | base_image_ref       |                                                                                  |
  | bdm_v2               | True                                                                             |
  | block_device_mapping | [{"guest_format":null,"boot_index":0,"no_device":null,"image_id":null,"volume_id |
  |                      | ":"5228a250-e541-434f-af7d-e583aed58c4c","volume_type":"fl63 base template","dis |
  |                      | k_bus":null,"device_name":"/dev/vda","volume_size":10,"source_type":"volume","sn |
  |                      | apshot_id":null,"destination_type":"volume","delete_on_termination":false}]      |
  | checksum             | d41d8cd98f00b204e9800998ecf8427e                                                 |
  | container_format     | bare                                                                             |
  | created_at           | 2024-04-11T09:06:27Z                                                             |
  | disk_format          | raw                                                                              |
  | disk_type            | SCSI                                                                             |
  | hypervisor_type      | zvm                                                                              |
  | id                   | 3f3eff5f-33b6-490f-ae08-f4dbc048b178                                             |
  | min_disk             | 0                                                                                |
  | min_ram              | 0                                                                                |
  | name                 | zlj-vol-img                                                                      |
  | os_distro            | Rhel9                                                                            |
  | os_hash_algo         | sha512                                                                           |
  | os_hash_value        | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0 |
  |                      | ff8318d2877eec2f63b931bd47417a81a538327af927da3e                                 |
  | os_hidden            | False                                                                            |
  | owner                | 6f9ee43b492f40efa3506a9f45a59665                                                 |
  | protected            | False                                                                            |
  | secure_execution     | False                                                                            |
  | size                 | 0                                                                                |
  | status               | active                                                                           |
  | tags                 | []                                                                               |
  | updated_at           | 2024-04-11T09:06:28Z                                                             |
  | virtual_size         | Not available                                                                    |
  | visibility           | private                                                                          |
  +----------------------+----------------------------------------------------------------------------------+

  3. Create a bootable cinder volume using the image
  [root@zhuljbj-mgt ~]# cinder create --image zlj-vol-img --display-name zlj-vt-from-img 20
  +------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------+
  | Property                     | Value                                                                                                                                            |
  +------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------+
  | attachments                  | []                                                                                                                                               |
  | availability_zone            | Default_Group                                                                                                                                    |
  | bootable                     | false                                                                                                                                            |
  | consistencygroup_id          | None                                                                                                                                             |
  | created_at                   | 2024-04-11T09:07:02.000000                                                                                                                       |
  | description                  | None                                                                                                                                             |
  | encrypted                    | False                                                                                                                                            |
  | group_id                     | None                                                                                                                                             |
  | health_status                | {'id': '72aa9955-a0db-4352-b702-9a93e120de5f', 'health_value': 'PENDING', 'updated_at': '2024-04-11T09:07:02.842989', 'value_reason': 'PENDING'} |
  | host                         | None                                                                                                                                             |
  | id                           | 72aa9955-a0db-4352-b702-9a93e120de5f                                                                                                             |
  | metadata                     | {}                                                                                                                                               |
  | migration_status             | None                                                                                                                                             |
  | multiattach                  | False                                                                                                                                            |
  | name                         | zlj-vt-from-img                                                                                                                                  |
  | os-vol-host-attr:host        | None                                                                                                                                             |
  | os-vol-tenant-attr:tenant_id | 6f9ee43b492f40efa3506a9f45a59665                                                                                                                 |
  | provider_id                  | None                                                                                                                                             |
  | replication_status           | None                                                                                                                                             |
  | service_uuid                 | None                                                                                                                                             |
  | shared_targets               | True                                                                                                                                             |
  | size                         | 20                                                                                                                                               |
  | snapshot_id                  | None                                                                                                                                             |
  | source_volid                 | None                                                                                                                                             |
  | status                       | creating                                                                                                                                         |
  | updated_at                   | None                                                                                                                                             |
  | user_id                      | 0688b01e6439ca32d698d20789d52169126fb41fb1a4ddafcebb97d854e836c9                                                                                 |
  | volume_type                  | None                                                                                                                                             |
  +------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------+

  4. Boot a vm instance using the bootable cinder volume
  [root@zhuljbj-mgt ~]# nova boot --poll --flavor tiny --nic net-name=zvmnet --block-device-mapping vda=72aa9955-a0db-4352-b702-9a93e120de5f:::0 inst4
  nova CLI is deprecated and will be a removed in a future release
  ERROR (BadRequest): Invalid image metadata. Error: A list is required in field img_block_device_mapping, not a str (HTTP 400) (Request-ID: req-0b66590b-e421-4b58-b1cf-62c6199470ba)

  Expected result
  ===============
  nova boot command should complete successfully without any errors.

  Actual result
  =============
  Below error is reported.
  ERROR (BadRequest): Invalid image metadata. Error: A list is required in field img_block_device_mapping, not a str (HTTP 400) (Request-ID: req-0b66590b-e421-4b58-b1cf-62c6199470ba)

  Environment
  ===========
  1. Exact version of OpenStack you are running. See the following
    list for all releases: http://docs.openstack.org/releases/

  [root@zhuljbj-mgt ~]# rpm -qa | grep nova
  openstack-nova-api-27.0.0-122.0.202404060250.ibm.el8.noarch
  openstack-nova-common-27.0.0-122.0.202404060250.ibm.el8.noarch
  openstack-nova-27.0.0-122.0.202404060250.ibm.el8.noarch
  python3-nova-27.0.0-122.0.202404060250.ibm.el8.noarch
  openstack-nova-conductor-27.0.0-122.0.202404060250.ibm.el8.noarch
  openstack-nova-scheduler-27.0.0-122.0.202404060250.ibm.el8.noarch
  openstack-nova-compute-27.0.0-122.0.202404060250.ibm.el8.noarch
  openstack-nova-novncproxy-27.0.0-122.0.202404060250.ibm.el8.noarch
  openstack-nova-compute-prereqs-2013.1-122.0.202401180005.ibm.el8.s390x
  python3-novaclient-18.3.0-122.0.202401181402.ibm.el8.noarch
  openstack-nova-network-27.0.0-122.0.202404060250.ibm.el8.noarch
  openstack-nova-console-27.0.0-122.0.202404060250.ibm.el8.noarch

  2. Which hypervisor did you use?
     z/VM

  2. Which storage type did you use?
     IBM Flashsystem

  3. Which networking type did you use?
     nova-network

  Logs & Configs
  ==============

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