shoarma/ansible/playbooks/setup.yml

---
- name: Wait for Cloud-init to finish
  hosts: manager, workers
  gather_facts: no
  roles:
    - cloudinit_wait

- name: Initialize Docker Swarm nodes
  hosts: manager, workers
  pre_tasks:
    - name: Delete externally managed environment file
      shell:
        cmd: "rm /usr/lib/python*/EXTERNALLY-MANAGED"
      register: rm
      changed_when: "rm.rc == 0"
      failed_when: "false"

  roles:
    - setup_apt
    - docker

- name: Setup Docker Swarm manager
  hosts: manager
  tasks:
    - name: Install pip packages
      pip:
        name:
          - jsondiff
          - pyyaml

    - name: Create Docker Swarm
      docker_swarm:
    
    - name: Get Docker Swarm manager info
      docker_swarm_info:
        nodes: yes
        nodes_filters:
          name: manager
      register: swarm_info

- hosts: workers
  tasks:
    - name: Join Docker Swarm
      docker_swarm:
        state: join
        join_token: "{{ hostvars.manager.swarm_info.swarm_facts.JoinTokens.Worker }}"
        remote_addrs:
          - "{{ hostvars.manager.ansible_default_ipv4.address }}"

- hosts: manager
  tasks:
    - name: Add concourse to authorized keys
      authorized_key:
        user: root
        key: "{{ concourse_public_key }}"

- hosts: manager, workers
  tasks:
    - name: Increase vm.max_map_count
      sysctl:
        name: vm.max_map_count
        value: 262144