refactor ansible code in to ansible-2.0 folder, and created space for ansible-2.10

ansible-2.0/roles/docker_swarm_management/tasks/main.yml

@@ -0,0 +1,65 @@
+---
+# tasks for managing docker a swarm
+
+
+# init swarm
+- name: run init on a host
+  command: docker swarm init
+  args:
+    creates: /var/lib/docker/swarm/state.json
+  when: "ansible_nodename in swarm.managers"
+  run_once: true
+
+# get tokens
+- name: get manager_token
+  command: docker swarm join-token manager -q
+  register: manager_token
+  when: "ansible_nodename in swarm.managers"
+  run_once: true
+  changed_when: False
+
+- name: get worker_token
+  command: docker swarm join-token worker -q
+  register: worker_token
+  when: "ansible_nodename in swarm.managers"
+  run_once: true
+  changed_when: False
+
+#- debug: var=manager_token
+
+# add hosts to swarm
+- name: adding manager to swarm
+  command: docker swarm join --token={{manager_token.stdout}} {{swarm.managers[0]}}
+  args:
+    creates: /var/lib/docker/swarm/state.json
+  when: "ansible_nodename in swarm.managers"
+
+- name: adding worker to swarm
+  command: docker swarm join --token={{worker_token.stdout}} {{swarm.managers[0]}}
+  args:
+    creates: /var/lib/docker/swarm/state.json
+  when: "ansible_nodename in swarm.workers"
+
+# remove hosts from swarm
+- name: remove hosts from swam if found in remove list
+  command: docker swarm leave
+  args:
+    removes: /var/lib/docker/swarm/state.json
+  when: "ansible_nodename in swarm.removed"
+
+# swarm config
+- name: get history limit
+  command: docker info --format '{% raw %}{{json .Swarm.Cluster.Spec.Orchestration.TaskHistoryRetentionLimit}}{% endraw %}'
+  register: history_limit
+  run_once: true
+  changed_when: False
+
+- debug: var=history_limit.stdout
+  run_once: True
+
+- name: set history limit
+  command: docker swarm update --task-history-limit {{swarm.history}}
+  when:
+    - "ansible_nodename in swarm.managers"
+    - 'swarm.history != history_limit.stdout|int'
+  run_once: true