tests: isolate ansible collections

When Ansible collections are installed, they should be isolated.
Otherwise, they will be shared in any scheduled job.
This might cause issues when running different branch versions for instance.

Signed-off-by: Guillaume Abrioux <[email protected]>

tox.ini

@@ -308,8 +308,9 @@ setenv=
   ANSIBLE_KEEP_REMOTE_FILES = 1
   ANSIBLE_CACHE_PLUGIN = memory
   ANSIBLE_GATHERING = implicit
+  ANSIBLE_COLLECTIONS_PATH = {envdir}/ansible_collections
   # only available for ansible >= 2.5
-  ANSIBLE_STDOUT_CALLBACK = yaml
+  #ANSIBLE_STDOUT_CALLBACK = yaml
   non_container: DEV_SETUP = True
   # Set the vagrant box image to use
   centos-non_container: CEPH_ANSIBLE_VAGRANT_BOX = centos/stream8
@@ -360,7 +361,7 @@ changedir=
   cephadm_adopt: {toxinidir}/tests/functional/all_daemons{env:CONTAINER_DIR:}
 
 commands=
-  ansible-galaxy install -r {toxinidir}/requirements.yml -v
+  ansible-galaxy install -r {toxinidir}/requirements.yml -v -p {envdir}/ansible_collections
   rhcs: ansible-playbook -vv -i "localhost," -c local {toxinidir}/tests/functional/rhcs_setup.yml --extra-vars "change_dir={changedir}" --tags "vagrant_setup"
   non_container: ansible-playbook -vv -i "localhost," -c local {toxinidir}/tests/functional/dev_setup.yml --extra-vars "dev_setup={env:DEV_SETUP:False} change_dir={changedir} ceph_dev_branch={env:CEPH_DEV_BRANCH:main} ceph_dev_sha1={env:CEPH_DEV_SHA1:latest}" --tags "vagrant_setup"