---
- hosts: all
  tasks:
  - name: Assert local prerequisites are met
    import_tasks: ./check_local_prerequisites.yml
    when: "'localhost' in group_names"
    tags:
    - check_local_prerequisites

    
  - name: Install a container runtime
    import_tasks: ./install_container_runtime.yml
    when: "'k8s_nodes' in group_names"
    tags:
    - install_container_runtime
  

  - name: Install kubernetes master components 
    become: yes
    script: ./scripts/install_kubernetes_master_components {{ kubernetes_version }}
    args:
      creates: /tmp/.install_kubernetes_master_components
    when: "'masters' in group_names"
    tags:
    - install_kubernetes_components
    - install_kubernetes_master_components
 
 
  - name: Install kubernetes worker components
    become: yes
    script: ./scripts/install_kubernetes_worker_components {{ kubernetes_version }}
    args:
      creates: /tmp/.install_kubernetes_worker_components
    when: "'workers' in group_names"
    tags:
    - install_kubernetes_components
    - install_kubernetes_worker_components
    
 
  - name: Install etcd
    become: yes
    script: ./scripts/install_etcd {{ etcd3_version }}
    args:
      creates: /tmp/.install_etcd
    when: "'masters' in group_names"
    tags:
    - install_etcd