OS: fedora 21
ansible-1.9.1-2.fc21.noarch
$ export ANSIBLE_CFG=./ansible.cfg.testing
$ cat $ANSIBLE_CFG
[defaults]
gathering = smart
fact_caching = redis
fact_caching_timeout = 86400
fact_caching_connection = 127.0.0.1:6379
timeout = 5
remote_user = root
log_path = ~/ansible-testing.log
vault_password_file = ~/.vault_pass.txt
host_key_checking = False
hostfile = testing
roles_path = roles
[ssh_connection]
ssh_args = -o ControlPersist=8h
sudo yum install redis -y
sudo /bin/systemctl start redis.service
$ ansible-playbook -i testing testing-site.yml --diff --tags config
PLAY [AAPT_DB] ****************************************************************
GATHERING FACTS ***************************************************************
ok: [db.kostyrev.example.org]
redis-cli
127.0.0.1:6379> keys *
(empty list or set)