[rootmaniprabu-10-0-0-20 ~]# cat abc.yml

---

- hosts: localhost

  gather_facts: no

​

  tasks:

  - name: verify httpd version

    command: /usr/sbin/httpd -v

    register: version

    ignore_errors: True

​

  - name: print httpd version

    debug:

      msg: "{{ version }}"

    when: "version.rc == 0"

​

  - name: install httpd 

    yum: name=httpd state=present

    when: "version.rc != 0 "