1.  Create a playbook and setup a webserver(httpd) and use httpd as a variable decalared in role var file

---
-name: webserver
 host:web
 vars_files:
   - role-var-file.yml
 tasks:
 -name: var include
    include_vars: role-var-file.yml
 -name: setup httpd server
  yum:
    name: "{{packname}}"
    state: latest
 - name: Start service httpd, if not started
    ansible.builtin.service:
      name: "{{packname}}"
      state: started
Code language: JavaScript (javascript)

2. Create a playbook and setup a webserver(httpd) and use httpd as a variable decalared using prompt

---
-name: webserver
 host:web
 vars_prompt:
   - name: "packname"
      prompt: "Install httpd"
      private: false
 tasks:
 -name: var include
    include_vars: role-var-file.yml
 -name: setup httpd server
  yum:
    name: "{{packname}}"
    state: latest
 - name: Start service httpd, if not started
    ansible.builtin.service:
      name: "{{packname}}"
      state: started
 - name: Print the vars
   ansible.builtin.debug:
     msg: service httpd {{packname}} installed and started
Code language: JavaScript (javascript)

3. Create a playbook and setup a webserver(httpd) and find a list of .txt file in some directory and output using register variables

---
-name: webserver
 host:web
 vars_prompt:
   - name: "packname"
      prompt: "Install httpd"
      private: false
 tasks:
 -name: var include
    include_vars: role-var-file.yml
 -name: setup httpd server
  yum:
    name: "{{packname}}"
    state: latest
 - name: Start service httpd, if not started
    ansible.builtin.service:
      name: "{{packname}}"
      state: started
 - name: Print the vars
   ansible.builtin.debug:
     msg: service httpd {{packname}} installed
 -name: 
    shell: "find *.txt"
    args:
      chdir: "/home/centos/ansible/priyanka"
    register: find_output
    
Code language: PHP (php)

4. Create a playbook and setup a webserver(httpd), copy a index.html and interpolate variables in template file decalared in playbook.


---
-name: webserver
 host:web
 vars_prompt:
   - name: "packname"
      prompt: "Install httpd"
      private: false
 tasks:
 -name: var include
    include_vars: role-var-file.yml
 -name: setup httpd server
  yum:
    name: "{{packname}}"
    state: latest
 - name: copy index.html
   ansible.builtin.template:
     src: index.html.j2
     dest: /var/www/html/
 - name: Start service httpd, if not started
   ansible.builtin.service:
     name: "{{packname}}"
     state: started
Code language: PHP (php)