Set default value for osds/osd_ids facts when facts not set

Change-Id: I8754de1ef89ac05cd8817456c4a8496ad71cf293
Closes-bug: #1668275

ansible/roles/ceph/tasks/reconfigure.yml

@@ -25,7 +25,7 @@
 
 - name: Gathering OSD IDs
   command: "cat /var/lib/ceph/osd/{{ item['fs_uuid'] }}/whoami"
-  with_items: "{{ osds }}"
+  with_items: "{{ osds|default({}) }}"
   register: osd_ids
   changed_when: False
   failed_when: osd_ids.rc != 0
@@ -38,7 +38,7 @@
   register: ceph_osd_container_state
   failed_when: ceph_osd_container_state.Running == false
   when: inventory_hostname in groups['ceph-osd']
-  with_items: "{{ osd_ids.results }}"
+  with_items: "{{ osd_ids.results|default({}) }}"
 
 - name: Ensuring the ceph_rgw container is up
   kolla_docker:
@@ -68,7 +68,7 @@
   changed_when: false
   failed_when: false
   register: ceph_osd_check_results
-  with_items: "{{ osd_ids.results }}"
+  with_items: "{{ osd_ids.results|default({}) }}"
   when: inventory_hostname in groups['ceph-osd']
 
 - name: Check the configs in ceph_rgw container
@@ -96,7 +96,7 @@
     name: "ceph_osd_{{ item.stdout }}"
     action: "get_container_env"
   register: ceph_osd_container_envs
-  with_items: "{{ osd_ids.results }}"
+  with_items: "{{ osd_ids.results|default({}) }}"
   when:
     - inventory_hostname in groups['ceph-osd']
     - osds
@@ -137,7 +137,7 @@
     - item[2]['rc'] == 1
     - osds
   with_together:
-    - "{{ osd_ids.results }}"
+    - "{{ osd_ids.results|default({}) }}"
     - "{{ ceph_osd_container_envs.results }}"
     - "{{ ceph_osd_check_results.results }}"
 
@@ -195,7 +195,7 @@
     - item[2]['rc'] == 1
     - osds
   with_together:
-    - "{{ osd_ids.results }}"
+    - "{{ osd_ids.results|default({}) }}"
     - "{{ ceph_osd_container_envs.results }}"
     - "{{ ceph_osd_check_results.results }}"