Moved ansible stuff to own folder

ansible/roles/docker-swarm-init/tasks/main.yml

@@ -0,0 +1,33 @@
+# https://github.com/ruanbekker/ansible-docker-swarm/blob/master/roles/docker-swarm-init/tasks/main.yml
+---
+# Basically we put the exit code in the variable and use it later
+- name: Check if swarm has already been initialized.
+  shell: docker node ls
+  register: swarm_status
+  ignore_errors: true
+  changed_when: false
+
+- name: Initialize Docker Swarm.
+  shell: >
+    docker swarm init
+    --advertise-addr={{ hostvars[inventory_hostname]['ansible_host'] }}:2377
+  when: swarm_status.rc != 0
+  run_once: true
+
+- name: Get manager join token.
+  shell: docker swarm join-token --quiet manager
+  register: manager_token
+  changed_when: false
+
+- name: Store manager join token as fact.
+  set_fact:
+    manager_token: "{{ manager_token.stdout }}"
+
+- name: Get worker join token.
+  shell: docker swarm join-token --quiet worker
+  register: worker_token
+  changed_when: false
+
+- name: Store worker join token as fact.
+  set_fact:
+    worker_token: "{{ worker_token.stdout }}"