example.yml

            - name: get our bricks
              shell: gluster volume info {{ item }} | grep 'Brick1:' | awk 'BEGIN { FS = ":" } ; { print $3 }'
              register: gluster_bricks
              with_items: "{{ gluster_volumes.stdout_lines }}"
           
            - name: show our gluster bricks
              debug:
                var: gluster_bricks.results

            # How can I extract only 'stdout' from gluster_bricks.results and put those into the 'disks' fact?
            - name: Save our gluster brick so a common fact
              set_fact:
                disks: "{{ gluster_bricks.results}}"