switch-to-containers: do not set group name vars at playbook level

Signed-off-by: Andrew Schoen <aschoen@redhat.com>

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

@@ -28,21 +28,13 @@
 
 - name: make sure docker is present and started
 
-  vars:
-    mon_group_name:       mons
-    osd_group_name:       osds
-    mds_group_name:       mdss
-    rgw_group_name:       rgws
-    rbdmirror_group_name: rbd-mirrors
-    nfs_group_name:       nfss
-
   hosts:
-    - "{{ mon_group_name }}"
-    - "{{ osd_group_name }}"
-    - "{{ mds_group_name }}"
-    - "{{ rgw_group_name }}"
-    - "{{ rbdmirror_group_name }}"
-    - "{{ nfs_group_name }}"
+    - "{{ mon_group_name|default('mons') }}"
+    - "{{ osd_group_name|default('osds') }}"
+    - "{{ mds_group_name|default('mdss') }}"
+    - "{{ rgw_group_name|default('rgws') }}"
+    - "{{ rbdmirror_group_name|default('rbdmirrors') }}"
+    - "{{ nfs_group_name|default('nfss') }}"
 
   become: true
 
@@ -97,7 +89,7 @@
     restapi_group_name:   restapis
 
   hosts:
-    - "{{ mon_group_name }}"
+    - "{{ mon_group_name|default('mons') }}"
 
   serial: 1
   become: true
@@ -187,7 +179,7 @@
     osd_group_name: osds
 
   hosts:
-    - "{{ osd_group_name }}"
+    - "{{ osd_group_name|default('osds') }}"
 
   serial: 1
   become: true
@@ -288,11 +280,8 @@
 
 - name: switching from non-containerized to containerized ceph mds
 
-  vars:
-    mds_group_name: mdss
-
   hosts:
-    - "{{ mds_group_name }}"
+    - "{{ mds_group_name|default('mdss') }}"
 
   serial: 1
   become: true
@@ -348,11 +337,8 @@
 
 - name: switching from non-containerized to containerized ceph rgw
 
-  vars:
-    rgw_group_name: rgws
-
   hosts:
-    - "{{ rgw_group_name }}"
+    - "{{ rgw_group_name|default('rgws') }}"
 
   serial: 1
   become: true
@@ -409,11 +395,8 @@
 
 - name: switching from non-containerized to containerized ceph rbd-mirror
 
-  vars:
-    rbdmirror_group_name: rbd-mirrors
-
   hosts:
-    - "{{ rbdmirror_group_name }}"
+    - "{{ rbdmirror_group_name|default('rbdmirrors') }}"
 
   serial: 1
   become: true
@@ -468,11 +451,8 @@
 
 - name: switching from non-containerized to containerized ceph nfs
 
-  vars:
-    nfs_group_name: nfss
-
   hosts:
-    - "{{ nfs_group_name }}"
+    - "{{ nfs_group_name|default('nfss') }}"
 
   serial: 1
   become: true