rewrite check pgs clean tasks

Avoid screen scrapping by rewriting `waiting for clean pgs` tasks like it is
done in 304de48.

Use the json output returned by `ceph -s` instead

Signed-off-by: Guillaume Abrioux <gabrioux@redhat.com>

infrastructure-playbooks/cluster-os-migration.yml

@@ -406,7 +406,7 @@
 
     - name: Waiting for clean PGs...
       shell: >
-        test "$(ceph pg stat | sed 's/^.*pgs://' | sed 's/active+clean.*//' |sed 's/ //')" -eq "$(ceph pg stat | sed 's/pgs.*//' | sed 's/^.*://' | sed 's/ //')" && ceph health | egrep -q "HEALTH_OK|HEALTH_WARN"
+        test "[""$(ceph -s -f json | python -c 'import sys, json; print(json.load(sys.stdin)["pgmap"]["num_pgs"])')""]" == "$(ceph -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
       retries: 10

infrastructure-playbooks/rolling_update.yml

@@ -267,7 +267,7 @@
 
     - name: waiting for clean pgs...
       shell: |
-        test "$(ceph pg stat --cluster {{ cluster }} | tr , '\n'  | sed 's/^.*pgs: //' | awk '/active.clean/ { SUM += $1 } END {print SUM}')" -eq "$(ceph pg stat --cluster {{ cluster }}  | sed 's/pgs.*//;s/^.*://;s/ //')" && ceph health --cluster {{ cluster }}  | egrep -sq "HEALTH_OK|HEALTH_WARN"
+        test "[""$(ceph --cluster {{ cluster }} -s -f json | python -c 'import sys, json; print(json.load(sys.stdin)["pgmap"]["num_pgs"])')""]" == "$(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
       retries: "{{ health_osd_check_retries }}"
@@ -277,7 +277,7 @@
 
     - name: container - waiting for clean pgs...
       shell: |
-        test "$(docker exec ceph-osd-{{ hostvars[groups[mon_group_name][0]]['ansible_hostname'] }} ceph pg stat --cluster {{ cluster }} | sed 's/^.*pgs://;s/active+clean.*//;s/ //')" -eq "$(docker exec {{ hostvars[groups[mon_group_name][0]]['ansible_hostname'] }} ceph pg stat --cluster {{ cluster }} | sed 's/pgs.*//;s/^.*://;s/ //')" && docker exec {{ hostvars[groups[mon_group_name][0]]['ansible_hostname'] }} ceph health --cluster {{ cluster }}  | egrep -sq "HEALTH_OK|HEALTH_WARN"
+        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
       retries: "{{ health_osd_check_retries }}"

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

@@ -254,7 +254,7 @@
 
   - name: waiting for clean pgs...
     shell: |
-      test "$(ceph pg stat --cluster {{ cluster }} | sed 's/^.*pgs://;s/active+clean.*//;s/ //')" -eq "$(ceph pg stat --cluster {{ cluster }}  | sed 's/pgs.*//;s/^.*://;s/ //')" && ceph health --cluster {{ cluster }}  | egrep -sq "HEALTH_OK|HEALTH_WARN"
+      test "[""$(ceph --cluster {{ cluster }} -s -f json | python -c 'import sys, json; print(json.load(sys.stdin)["pgmap"]["num_pgs"])')""]" == "$(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
     retries: 10