var 为变量

item是循环变量

下面任务为新增两个用户testuser1，testuser2

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

[root@ES25 zfl]# cat useradd01.yml

---

- hosts: 10.4.104.85                                                                                              

 tasks:

############方法1

  -name: add user testuser1

   user: name=testuser1 state=present groups=wheel       

  -name: add user testuser2

   user: name=testuser2 state=present groups=wheel

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

 [root@ES25zfl]# cat useradd02.yml

---

- hosts: 10.4.104.85

 vars:

     user1: testuser1

     user2: testuser2                                                                                                  

 tasks:

#############方法2

  -name: add several users

   user: name=` user1 ` state=present groups=wheel

  -name: add several users

   user: name=` user2 ` state=present groups=wheel

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

利用with_items