Moved ansible stuff to own folder

ansible/roles/docker-swarm-add-manager/tasks/main.yml

@@ -0,0 +1,18 @@
+---
+- name: Check if swarm is already Initialized
+  shell: docker node ls
+  register: swarm_status
+  ignore_errors: true
+
+- name: Check node state.
+  register: node_state
+  shell: "docker info --format '{{ '{{' }}.Swarm.LocalNodeState{{ '}}' }}'"
+  ignore_errors: true
+  changed_when: false
+
+- name: Add managers to the swarm
+  shell: >
+    docker swarm join
+    --token {{ hostvars.admin.manager_token }}
+    {{ hostvars.admin.ansible_host }}:2377
+  when: swarm_status.rc != 0 and node_state.stdout not in [ 'active', 'locked', 'error' ]