# Ansible loop & when - module 1

### 1 layer loop

  - name: loop 1 layer
    vars:
      test:
        - test1
        - test2
        - test3
        - test4
    debug:
      msg: "{{ item }}"
    with_items: "{{ test }}"

### nested loop

    - name: Hello World
  #   任務端變數優先級別高於主playbook
      vars:
        test:
          - test1
          - test2
          - test3
          - test4
        demo:
          - demo1
          - demo2
          - demo3
        xyz:
          - xyz1
          - xyz2
      debug:
        msg: "{{ item[0] }}, {{ item[1] }}, {{ item[2] }}"
        verbosity: 0
      with_nested:
        - "{{ test }}"
        - "{{ demo }}"
        - "{{ xyz }}"

### condition when

   - name: Hello World
  #   任務端變數優先級別高於主playbook
      vars:
        seq:
          - 1
          - 2
          - 3
          - 4

      debug:
        msg: "{{ item }}"
        verbosity: 0
      with_items: "{{ seq }}"
      when: item >=3

###### tags: `Ansible module`