tests: force docker variable for switch-to-containers scenario

we need to force the value of `docker` variable which is initially set
to `false` since it's a migration from non-containerized to
containerized cluster.

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

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

@@ -30,9 +30,9 @@
 
   hosts:
     - "{{ mon_group_name|default('mons') }}"
+    - "{{ mgr_group_name|default('mgrs') }}"
     - "{{ osd_group_name|default('osds') }}"
     - "{{ mds_group_name|default('mdss') }}"
-    - "{{ mgr_group_name|default('mgrs') }}"
     - "{{ rgw_group_name|default('rgws') }}"
     - "{{ rbdmirror_group_name|default('rbdmirrors') }}"
     - "{{ nfs_group_name|default('nfss') }}"
@@ -136,6 +136,48 @@
       delegate_to: "{{ mon_host }}"
 
 
+- name: switching from non-containerized to containerized ceph mgr
+
+  hosts:
+    - "{{ mgr_group_name|default('mgrs') }}"
+
+  vars:
+    containerized_deployment: true
+    mgr_group_name: mgrs
+
+  serial: 1
+  become: true
+
+  pre_tasks:
+    - name: stop non-containerized ceph mgr(s)
+      service:
+        name: "ceph-mgr@{{ ansible_hostname }}"
+        state: stopped
+        enabled: no
+
+    - set_fact:
+        ceph_uid: 64045
+      when: ceph_docker_image_tag | match("latest") or ceph_docker_image_tag | search("ubuntu")
+
+    - set_fact:
+        ceph_uid: 167
+      when: ceph_docker_image_tag | search("centos") or ceph_docker_image | search("rhceph") or ceph_docker_image_tag | search("fedora")
+
+    - name: set proper ownership on ceph directories
+      file:
+        path: "{{ item }}"
+        owner: "{{ ceph_uid }}"
+        recurse: yes
+      with_items:
+        - /var/lib/ceph
+        - /etc/ceph
+
+  roles:
+    - ceph-defaults
+    - ceph-docker-common
+    - ceph-mgr
+
+
 - name: switching from non-containerized to containerized ceph osd
 
   vars:

tests/functional/centos/7/cluster/hosts-switch-to-containers

@@ -0,0 +1,22 @@
+[all:vars]
+docker=True
+
+[mons]
+ceph-mon0 monitor_address=192.168.1.10
+ceph-mon1 monitor_interface=eth1
+ceph-mon2 monitor_address=192.168.1.12
+
+[osds]
+ceph-osd0
+
+[mdss]
+ceph-mds0
+
+[rgws]
+ceph-rgw0
+
+[clients]
+ceph-client0
+
+[mgrs]
+ceph-mgr0

tox.ini

@@ -1,6 +1,6 @@
 [tox]
-envlist = {dev,jewel,luminous,rhcs}-{ansible2.2,ansible2.3}-{xenial_cluster,journal_collocation,centos7_cluster,dmcrypt_journal,dmcrypt_journal_collocation,docker_cluster,purge_cluster,purge_dmcrypt,docker_dedicated_journal,docker_dmcrypt_journal_collocation,update_dmcrypt,update_cluster,cluster,purge_docker_cluster,update_docker_cluster}
-  {dev,luminous}-{ansible2.2,ansible2.3}-{bluestore_journal_collocation,bluestore_cluster,bluestore_dmcrypt_journal,bluestore_dmcrypt_journal_collocation,bluestore_docker_cluster,bluestore_docker_dedicated_journal,bluestore_docker_dmcrypt_journal_collocation,lvm_osds,purge_lvm_osds,shrink_mon,shrink_osd,switch_to_containers}
+envlist = {dev,jewel,luminous,rhcs}-{ansible2.2,ansible2.3}-{xenial_cluster,journal_collocation,centos7_cluster,dmcrypt_journal,dmcrypt_journal_collocation,docker_cluster,purge_cluster,purge_dmcrypt,docker_dedicated_journal,docker_dmcrypt_journal_collocation,update_dmcrypt,update_cluster,cluster,purge_docker_cluster,update_docker_cluster,switch_to_containers}
+  {dev,luminous}-{ansible2.2,ansible2.3}-{bluestore_journal_collocation,bluestore_cluster,bluestore_dmcrypt_journal,bluestore_dmcrypt_journal_collocation,bluestore_docker_cluster,bluestore_docker_dedicated_journal,bluestore_docker_dmcrypt_journal_collocation,lvm_osds,purge_lvm_osds,shrink_mon,shrink_osd}
 
 skipsdist = True
 
@@ -109,8 +109,7 @@ commands=
       ceph_dev_sha1={env:UPDATE_CEPH_DEV_SHA1:latest} \
   "
 
-  echo "docker: True" >> {changedir}/group_vars/all
-  testinfra -n 4 --sudo -v --connection=ansible --ansible-inventory={changedir}/hosts {toxinidir}/tests/functional/tests
+  testinfra -n 4 --sudo -v --connection=ansible --ansible-inventory={changedir}/hosts-switch-to-containers {toxinidir}/tests/functional/tests
 
 [testenv]
 whitelist_externals =
@@ -118,7 +117,6 @@ whitelist_externals =
     bash
     pip
     cp
-    echo
 passenv=*
 sitepackages=True
 setenv=