switch: rework and fix clean pg wait

Signed-off-by: Sébastien Han <seb@redhat.com>

infrastructure-playbooks/switch-from-non-containerized-to-containerized-ceph-daemons.yml

@@ -280,14 +280,16 @@
     - ceph-osd
 
   post_tasks:
-    - name: waiting for clean pgs...
-      shell: |
-        test "[""$(docker exec ceph-mon-{{ hostvars[groups[mon_group_name][0]]['ansible_hostname'] }} ceph --cluster {{ cluster }} -s -f json | python -c 'import sys, json; print(json.load(sys.stdin)["pgmap"]["num_pgs"])')""]" = "$(docker exec ceph-mon-{{ hostvars[groups[mon_group_name][0]]['ansible_hostname'] }} ceph --cluster {{ cluster }} -s -f json | python -c 'import sys, json; print [ i["count"] for i in json.load(sys.stdin)["pgmap"]["pgs_by_state"] if i["state_name"] == "active+clean"]')"
-      register: result
-      until: result.rc == 0
+    - name: container - waiting for clean pgs...
+      command: "docker exec ceph-mon-{{ hostvars[groups[mon_group_name][0]]['ansible_hostname'] }} ceph --cluster {{ cluster }} -s --format json"
+      register: ceph_health_post
+      until: >
+        ((ceph_health_post.stdout | from_json).pgmap.pgs_by_state | length) == 1
+        and
+        (ceph_health_post.stdout | from_json).pgmap.pgs_by_state.0.state_name == "active+clean"
+      delegate_to: "{{ groups[mon_group_name][0] }}"
       retries: "{{ health_osd_check_retries }}"
       delay: "{{ health_osd_check_delay }}"
-      delegate_to: "{{ groups[mon_group_name][0] }}"
 
 
 - name: switching from non-containerized to containerized ceph mds