Move to python3 for ansible interpretter; init docker swarm.

ansible/ansible.cfg

@@ -4,6 +4,7 @@ pipelining = True
 retry_files_enabled = False
 stdout_callback = yaml
 vault_password_file=open_the_vault.sh
+ansible_python_interpreter=/usr/bin/python3
 
 [ssh_connection]
 scp_if_ssh = True

ansible/hosts.yml

@@ -18,3 +18,4 @@ all:
     mediaserver:
       hosts:
         hatchery:
+          ansible_python_interpreter: /usr/bin/python3

ansible/roles/mediaserver/tasks/main.yml

@@ -31,6 +31,9 @@
     groups=docker
     append=yes
 
+- name: Init a new swarm with default parameters
+  docker_swarm:
+    state: present    
 
 # set up mediaserver specific bullshit.
 - name: ensure traefik config directory exists

ansible/roles/mediaserver/vars/main.yml

@@ -1 +1 @@
-sys_packages: [ 'curl', 'vim', 'git', 'emacs', 'build-essential', 'mosh', 'python', 'python-pip' ]
+sys_packages: [ 'curl', 'vim', 'git', 'emacs', 'build-essential', 'mosh', 'python', 'python3-pip' ]