Ansible

• • Ansible
• • ( )
• • with_items
  • with_dict

, , , . , . , , , . Ansible. .

      [examples](examples/).        ``debug``       ,      .   -    -      .

• .

  . . , with_items , .

Ansible

Ansible - . , . Ansible 2.3.1.0.

   ,   Ansible.      [](#),    .

•  Ansible.            ,    .     ``yaml``     ,     ()  !      . ,       :
  

soft:
  - htop
  - atop
  - tshark
  - mtr

     ``with_items``.         ``"{{ soft }}"``,         ``"{{ item }}"``.
 :

- name: Utils | Ubuntu | Install basic utilities
  apt:
    pkg: "{{ item }}"
    state: present
  with_items: "{{ soft }}"

? .

      .         .          :

soft: ['htop', 'atop', 'tshark', 'mtr']

, . , .

( )

       ``:``.        ,    .   .

swap_file:
   filename: "swapfile"
   location: "/"
   size: 512
   status: "install"

 .  ``swap_file``  , ``filename``, ``location``, ``size``, ``status`` - . ``swapfile``, ``/``, ``512``, ``install``   .

         (),     .     : "We want to install file to /. File should be called swapfile and use 512 MB of disk space."

- name: Simple dictionary pointing.
  debug:
    msg: "We want to {{ swap_file.status }} file to {{ swap_file.location }}. File should be called {{ swap_file.filename }} and use {{ swap_file.size }} MB of disk space."

     ,  Ansible     .

-, . , . with_dict. {{ item.key }} {{ item.value }}. .

- name: Usage of with_dict helps here.
  debug:
    msg: "Current key is {{ item.key }}. Current key value is {{ item.value }}."
  with_dict: "{{ swap_file }}"

, . , , . :

swap_file: {filename: "swapfile", location: "/", size: 512, status: "install"}

 [](examples/dictionary.yml)     [ ](examples/dictionary_alt.yml)    .       10 .  .

, . . . , .

    ,         (, ,  ,  ).     .

swap_files:
   - filename: "first_swapfile"
     location: "/"
     size: 512
     status: "install"
   - filename: "second_swapfile"
     location: "/other"
     size: 1024
     status: "install"   

   ``with_items``,       .          .      [](#--)   ,     ``"{{ swap_file.status }}"``, ``"{{ swap_file.location }}"``, ``"{{ swap_file.filename }}"``, ``"{{ swap_file.size }}"``? 

,        ``with_items``,         ``item``. 

- name: "Same strings for several dictionary items:"
  debug:
    msg: "We want to {{ item.status }} file to '{{ item.location }}'. File should be called '{{ item.filename }}' and use {{ item.size }} MB of disk space."
  with_items: "{{ swap_files }}"

   ,    ,      ,      .          .

,   ,     ``with_dict``   .

with_items

with_items , . . , :

- name: Utils | Ubuntu | Install basic utilities
  apt:
    pkg: "{{ item }}"
    state: present
  with_items:
    - htop
    - atop
    - tshark
    - mtr

, , . . \ :

soft:
  - htop
  - atop
  - tshark
  - mtr

  :

- name: Utils | Ubuntu | Install basic utilities
  apt:
    pkg: "{{ item }}"
    state: present
  with_items: "{{ soft }}"

with_items . , , . , .

with_dict

• Ansible ()
• yaml
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