useradd

1. 运维需要管理许多开发人员的pub文件，统一存储在/etc/ansible/user.keypubs/{{ name }}.id_rsa.pub下，
2. /etc/ansible/useradd.yml文件，添加zhangsan用户，只需修改vars下的用户、组名和执行的机器组hosts

---
- hosts: centos6
  remote_user: dinggel
  gather_facts: false
  become: yes
  vars:
    - {name: zhangsan, group: zhangsan}
  tasks:
    - name: user add
      user: name={{ name }}
    - name: mkdir /home/{{ name }}/.ssh
      file: path=/home/{{ name }}/.ssh state=directory owner={{ name }} mode=0700
    - name: user add
      action: file path=/home/{{ name }}/.ssh/authorized_keys state=touch  owner={{ name }} mode=0600

    - name: ssh-copy
      authorized_key:
        user: "{{ name }}"
        key: "{{ lookup('file', '/etc/ansible/user.keypubs/{{ name }}.id_rsa.pub') }}"
        path: /home/{{ name }}/.ssh/authorized_keys