playbook 编写

[zhupengfei@devops-centos7-shanghai-area1 ansible]$ sudo vim yum_update.yml

---
    - hosts: all
      gather_facts: no
      tasks:
      - name: update cache #  更新yum源缓存
        yum:
                update_cache: yes 
      - name: upgrade all packages # yum update升级步骤（耗时较长）
        yum:
                name: '*'
                state: latest

[zhupengfei@devops-centos7-shanghai-area1 ansible]$ sudo ansible-playbook yum_update.yml 

PLAY [all] ****************************************************************************************************************************************************************************************************************************************************************

TASK [update cache] *******************************************************************************************************************************************************************************************************************************************************
ok: [172.17.1.10]

TASK [upgrade all packages] ***********************************************************************************************************************************************************************************************************************************************
changed: [172.17.1.10]

PLAY RECAP ****************************************************************************************************************************************************************************************************************************************************************
172.17.1.10                : ok=2    changed=1    unreachable=0    failed=0    skipped=0    rescued=0    ignored=0