Add debug.

tasks/main.yml

@@ -40,15 +40,16 @@
     OS_REGION_NAME: "{{ OS_REGION_NAME }}"
   register: volume_output
 
-- debug: var=volume_output
-- ansible.builtin.meta: end_host
-
 - name: Create a ext4 filesystem on {{ volume.name }} volume
   community.general.filesystem:
     fstype: ext4
     dev: "{{ volume_output.attachments[0].device }}"
+  register: mkfs
   become: true
 
+- debug: var=mkfs
+- ansible.builtin.meta: end_host
+
 - name: mount /mnt/volumes/{{ volume.name }}
   ansible.posix.mount:
     path: "/mnt/volumes/{{ volume.name }}"