Simplify vault password handling

.gitignore

@@ -1 +1,2 @@
 .vault_pass
+site.retry

README.md

@@ -1,12 +1,16 @@
 Ansible Freifunk Regensburg
 ===========================
 
+## Requirements
+
+The vault password must be stored in `.vault_pass`.
+
+
 ## Running Ansible
-To deploy all defined roles on all servers simply run `ansible-playbook --ask-vault-pass -i hosts site.yml`.
-To deploy only one server run `ansible-playbook -i "imac1-local," site.yml` (--ask-vault-pass is currently only required on the confluence host).
 
+To deploy all defined roles on all servers simply run `ansible-playbook site.yml`.
+To deploy only one server run `ansible-playbook -i "hostname," site.yml`.
 
-TBA
 
 ## Notes
 

ansible.cfg

@@ -0,0 +1,11 @@
+[defaults]
+ansible_managed = This file is managed by ansible, do not make manual changes - they may be overridden at any time.
+inventory       = ./hosts
+library         = ./library
+nocows          = 1
+remote_user     = root
+roles_path      = ./roles
+vault_password_file = ./.vault_pass
+
+[ssh_connection]
+pipelining      = true