- hosts: hbase
  gather_facts: no

  tasks:
    - name: enforce env   
      shell: source /etc/profile
      run_once: true
    - name: delete /root/.ssh/
      file: path=/root/.ssh/ state=absent
    - name: generating public/private rsa key pair  #生成公钥和私钥      
      shell: ssh-keygen -t rsa -b 2048 -N '' -f /root/.ssh/id_rsa
    - name: view id_rsa.pub  #将公钥设置成变量      
      shell: cat /root/.ssh/id_rsa.pub
      register: sshinfo
    - set_fact: sshpub={{sshinfo.stdout}}
    - name: add ssh record #合并各个节点公钥      
      local_action: shell echo {{sshpub}} >> /etc/ansible/templates/authorized_keys.j2
    - name: copy authorized_keys.j2 to all #分发到各个节点上      
      template: src=/etc/ansible/templates/authorized_keys.j2 dest=/root/.ssh/authorized_keys mode=0600
      tags:
       - install ssh_root