ansible 병렬작업

1 병렬구성

   1) ansible.cfg  

      forks = 5

   2) ansible-playbook --forks 5

2. Serial 구성

    1) ansible-playbook --serial 2

    2) task 설정

       name

       hosts:

       serial: 2

3. 비동기 작업

 

    작업을 기다려야 한다면, async, poll 키워드를 사용하여

    - name: long tasks

      hosts: test1

      remote_user: devops

      tasks:

         - name : download

           get_url : url=http://.../test.tar.gz

           async: 3600

           poll: 10

    - name: restart and wait unil the server is rebooted

      hosts: test1

      remote_user: devops

      tasks:

- name : restart machine

  shell : sleep 2 && shutdown -r now 

  async: 1 

  poll: 0    (대기하지 않음)

  become: true

  ignore_errors: true

- name: waiting for server to come back

  local_action:

wait_for:

host: "{{ inventory_hostname }}"

state: started

delay: 30

timeout: 300

  become: false

- name:

  hosts: test1

  remote_user : devops

  become : true

  tasks:

- name : download big

  get_url: url=http://~~~/test.tar.gz

  async: 3600

  poll: 0

  register: download

- name : wait to finish

  async_status: "jid={{ donwload.ansible_job_id }}"

  register: job_result

  until: job_result.finished

  retries: 30