playbook循环

• with_items
• with_nested
• with_dict
• with_fileglob
• with_together
• with_sequence

---
- hosts: all

  tasks:

    # create groups
    - group: name=evens state=present
    - group: name=odds state=present

    # create some test users
    - user: name={{ item }} state=present groups=evens
      with_sequence: start=0 end=32 format=testuser%02x

    # create a series of directories with even numbers for some reason
    - file: dest=/var/stuff/{{ item }} state=directory
      with_sequence: start=4 end=16 stride=2

    # a simpler way to use the sequence plugin
    # create 4 groups
    - group: name=group{{ item }} state=present
      with_sequence: count=4

• with_random_choice

- debug: msg={{ item }}
  with_random_choice:
     - "go through the door"
     - "drink from the goblet"
     - "press the red button"
     - "do nothing"

• until

- action: shell /usr/bin/foo
  register: result
  until: result.stdout.find("all systems go") != -1
  retries: 5
  delay: 10

• with_indexed_items

- name: indexed loop demo
  debug: msg="at array position {{ item.0 }} there is a value {{ item.1 }}"
  with_indexed_items: "{{some_list}}"