Start a full backup POST. Start full backup. The response phase indicates that the backup is “initializing”.You need to poll the backup until the phase is “ready”.Once the backup is ready the response will include <to_checkpoint_id> which should be used as the <from_checkpoint_id> in the next incremental backup.. For example, to start a full backup of a disk with id 456 on a virtual ...

www.ovirt.org

- name:
Get incremental disk status
  hosts:
all
  gather_facts:
no
  vars:
    vm_name:
hirondelle1-bas 
    server:
air-dev
    incr_state:
incremental
    body:
|-
          <disk_attachment>
              <disk>
                 <backup>{{incr_state}}</backup>
              </disk>
          </disk_attachment>
  tasks:

    - block:
      - name:
authenticate to ovirt
        include_tasks:
ovirt_auth.yaml

      - name:
Get disk status

        ovirt_vm_info:
          auth:
"{{ ovirt_auth }}"
          pattern:
name="{{inventory_hostname_short}}"
          follows: ['disk_attachments']
        register:
result
      - set_fact:
          disk_id:
"{{ result.ovirt_vms[0].disk_attachments| map(attribute='disk.id')|list }}"
          vm_id:
"{{ result.ovirt_vms[0].id }}" 

      - name:
Update disk incremental state 

        ansible.builtin.uri:
          url:
https://{{server}}.v100.abes.fr/ovirt-engine/api/vms/{{vm_id}}/diskattachments/{{item}}
          user:
admin@internal
          password:
"{{ovirt_password}}"
          method:
PUT
          body:
"{{body}}"
          validate_certs:
no
          headers:
            Content-type:
"application/xml"
        loop:
"{{disk_id}}"
        loop_control:

          label:
"{{item}}"

      delegate_to:
localhost  

On Thu, Nov 17, 2022 at 7:30 PM Nathanaël Blanchet via Users <users@ovirt.org> wrote:

Hello,

I've struggled for hours with enabling incremental backup on disk level with the ansible ovirt.ovirt.ovirt_disk module:

- name: modify incremental backup state

ovirt.ovirt.ovirt_disk:

auth: "{{ ovirt_auth }}"

id: "{{disk_id}}"

backup: "incremental"

But the disk never gets into an incremental state.

What's the matter?

Enabling 'incremental backup' for a disk may require changing its format (from RAW to QCOW) and that, among other reasons, lead to modeling this as an action on the disk rather than an update of its state.

There's an open PR for adding this action to Ansible: https://github.com/oVirt/ovirt-ansible-collection/pull/601

PS: I know I can do the same with curl, but this is not what I want.

Thank you
-- 
Nathanaël Blanchet

Supervision réseau
SIRE
227 avenue Professeur-Jean-Louis-Viala
34193 MONTPELLIER CEDEX 5 	
Tél. 33 (0)4 67 54 84 55
Fax  33 (0)4 67 54 84 14
blanchet@abes.fr
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