shrink-osd: support fqdn in inventory

When using fqdn in inventory, that playbook fails because of some tasks
using the result of ceph osd tree (which returns shortname) to get
some datas in hostvars[].

Closes: https://bugzilla.redhat.com/show_bug.cgi?id=1779021

Signed-off-by: Guillaume Abrioux <gabrioux@redhat.com>
(cherry picked from commit 6d9ca6b05b)

infrastructure-playbooks/shrink-osd.yml

@@ -86,6 +86,14 @@
         osd_hosts: "{{ osd_hosts | default([]) + [ [ (item.stdout | from_json).crush_location.host, (item.stdout | from_json).osd_fsid ] ] }}"
       with_items: "{{ find_osd_hosts.results }}"
 
+    - name: set_fact _osd_hosts
+      set_fact:
+        _osd_hosts: "{{ _osd_hosts | default([]) + [ [ item.0, item.2 ] ] }}"
+      with_nested:
+        - "{{ groups.get(osd_group_name) }}"
+        - "{{ osd_hosts }}"
+      when: hostvars[item.0]['ansible_hostname'] == item.1
+
     - name: mark osd(s) out of the cluster
       command: "{{ container_exec_cmd }} ceph --cluster {{ cluster }} osd out {{ osd_to_kill.replace(',', ' ') }}"
       run_once: true
@@ -96,7 +104,7 @@
         name: ceph-osd@{{ item.0 }}
         state: stopped
         enabled: no
-      loop: "{{ osd_to_kill.split(',')|zip(osd_hosts)|list }}"
+      loop: "{{ osd_to_kill.split(',')|zip(_osd_hosts)|list }}"
       delegate_to: "{{ item.1.0 }}"
 
     - name: zap osd devices
@@ -108,7 +116,7 @@
         CEPH_CONTAINER_IMAGE: "{{ ceph_docker_registry + '/' + ceph_docker_image + ':' + ceph_docker_image_tag if containerized_deployment else None }}"
         CEPH_CONTAINER_BINARY: "{{ container_binary }}"
       delegate_to: "{{ item.0 }}"
-      loop: "{{ osd_hosts }}"
+      loop: "{{ _osd_hosts }}"
 
     - name: purge osd(s) from the cluster
       command: "{{ container_exec_cmd }} ceph --cluster {{ cluster }} osd purge {{ item }} --yes-i-really-mean-it"