Adding config file

Issue #4 Setup ansible to properly connect after wrangling with it

The key thing to remember if credentials are failing is to check variable names -- ansible doesnt announce if something like 'ansible_ssh_user' is missing, and in this case it was simply misspelled.

ansible.cfg

@@ -0,0 +1,10 @@
+[defaults]
+gathering = smart
+forks = 30
+pipelining = True
+host_key_checking = True
+roles_path = ./shared_roles
+become = True
+ansible_managed = Ansible managed by docker deploy
+ssh_args = -o ControlPersist=60s -q
+retry_files_enabled=false

docker.yml

@@ -1,6 +1,7 @@
 ---
 
 - name: Install docker
-  hosts: servers
+  become: true
+  hosts: all 
   roles:
    - { role: docker, tags: ['docker'] }

inventory/vagrant

@@ -1,4 +1,9 @@
 [docker-host]
 docker-server
+
 [vagrant:children]
 docker-host
+
+[vagrant:vars]
+ansible_ssh_user=vagrant
+ansible_ssh_private_key_file=~/.vagrant.d/insecure_private_key