A nova rebuild which specifies a new image does not seem to update the kernel and ramdisk images (which are properties of the rootfs image). This means that the old kernel and ramdisk are booted for the new image.
Glance image #1
glance image-show 8a073314-c3e2-44ee-a675-ef21cf98bf64
+-----------------------+--------------------------------------+
| Property | Value |
+-----------------------+--------------------------------------+
| Property 'build_no' | 5 |
| Property 'kernel_id' | a339c5bb-2bb1-40c6-a6fb-2275fd09543a |
| Property 'ramdisk_id' | 12cc8c05-2f09-4a55-a1dc-f70de803d448 |
| checksum | 1a5ce92631afb0e4697bca54155c6393 |
| container_format | bare |
| created_at | 2014-12-10T08:28:00 |
| deleted | False |
| disk_format | qcow2 |
| id | 8a073314-c3e2-44ee-a675-ef21cf98bf64 |
| is_public | True |
| min_disk | 0 |
| min_ram | 0 |
| name | undercloud_5 |
| owner | 84c706a15c744fafbb4c5a2c48bf7405 |
| protected | False |
| size | 1209008128 |
| status | active |
| updated_at | 2014-12-10T09:52:52 |
+-----------------------+--------------------------------------+
Glance image #2
+-----------------------+--------------------------------------+
| Property | Value |
+-----------------------+--------------------------------------+
| Property 'build_no' | 0 |
| Property 'kernel_id' | 89214eda-a88b-4c5d-a3b0-7b965cd8fc05 |
| Property 'ramdisk_id' | d301f03c-fdd5-42ae-b641-e4b1b07f1f29 |
| checksum | 0f5ce408d516bb71375ed8b0d856b54e |
| container_format | bare |
| created_at | 2014-12-10T09:53:27 |
| deleted | False |
| disk_format | qcow2 |
| id | f2f5f338-bcdc-424f-989e-eb9b71bd17b7 |
| is_public | False |
| min_disk | 0 |
| min_ram | 0 |
| name | undercloud |
| owner | 84c706a15c744fafbb4c5a2c48bf7405 |
| protected | False |
| size | 1276649472 |
| status | active |
| updated_at | 2014-12-10T09:53:35 |
+-----------------------+--------------------------------------+
After a nova rebuild
ironic node-show 7acc0e02-9989-4723-a7a7-c26f9e9e4ff0
+------------------------+---------------------------------------------------------------------+
| Property | Value |
+------------------------+---------------------------------------------------------------------+
| instance_uuid | 1015d70f-1bc6-4e2c-be3e-8b81a32d0d03 |
| target_power_state | None |
| properties | {u'memory_mb': u'8192', u'cpu_arch': u'amd64', u'local_gb': u'512', |
| | u'cpus': u'1', u'capabilities': u'role:Undercloud'} |
| maintenance | False |
| driver_info | {u'pxe_deploy_ramdisk': u'681524db-8a3e-4a35-9b5f-bef771fe6ebd', |
| | u'pxe_deploy_kernel': u'7ae90cfa-f809-45ba-90ee-9be3dfe82f6c', |
| | u'ssh_username': u'root', u'ssh_key_filename': |
| | u'/mnt/state/var/lib/ironic/virtual-power-key', u'ssh_address': |
| | u'192.168.122.1', u'ssh_virt_type': u'virsh'} |
| extra | {} |
| last_error | None |
| created_at | 2014-12-10T08:27:03+00:00 |
| target_provision_state | None |
| driver | pxe_ssh |
| updated_at | 2014-12-10T10:51:52+00:00 |
| maintenance_reason | None |
| instance_info | {u'ramdisk': u'12cc8c05-2f09-4a55-a1dc-f70de803d448', u'kernel': u | <--- this is from image #1
| | 'a339c5bb-2bb1-40c6-a6fb-2275fd09543a', u'root_gb': u'30', | <--- this is from image #1
| | u'image_source': u'f2f5f338-bcdc-424f-989e-eb9b71bd17b7', | <--- this is image #2
| | u'ephemeral_format': u'ext4', u'ephemeral_gb': u'482', |
| | u'preserve_ephemeral': u'True', u'deploy_key': |
| | u'HD4AZL3MVP9F4EMHBE4IOJQ8DQ2SY24P', u'swap_mb': u'0'} |
| chassis_uuid | |
| provision_state | active |
| reservation | None |
| power_state | power on |
| console_enabled | False |
| uuid | 7acc0e02-9989-4723-a7a7-c26f9e9e4ff0 |
+------------------------+---------------------------------------------------------------------+
Fix proposed to branch: master
Review: https:/