title: Ansible: sudo without password
body: <p>I want to run ansible with user sa1 without sudo password:</p>
  
  <p>First time OK:</p>
  
  <pre><code>[root@centos1 cp]# ansible cent2 -m shell -a "sudo yum -y install httpd"
  
  cent2 | SUCCESS | rc=0 &gt;&gt;
  </code></pre>
  
  <p>Second time FAILED:</p>
  
  <pre><code>[root@centos1 cp]# ansible cent2 -s -m yum -a "name=httpd state=absent"
  
  cent2 | FAILED! =&gt; {
      "changed": false,
      "failed": true,
      "module_stderr": "",
      "module_stdout": "sudo: a password is required\r\n",
      "msg": "MODULE FAILURE",
      "parsed": false
  }
  </code></pre>
  
  <p>Please help!</p>