ansible: fix this playbook

[ansible@control lesson8]$ cat lab2.yaml
---
- name: deploy httpd
  hosts: ansible2.example.com
  vars_files:
  - packages.yml
  vars:
    supported_distros:
      - CentOS
      - RedHat
  tasks:
  - name: setting up httpd service
    block:
    - name: Install web packages
      yum:
        name: "{{ item }}"
        state: present
      loop: "{{ webpackages }}"
      become: yes
    - name: enable and start httpd
      service:
        name: httpd
        enabled: true
        state: started
      become: yes
    - name: allow http and https
      firewalld:
        service:  "{{ item }}"
        permanent: true
        immediate: true
        state: enabled
      loop:
        - http
        - https
      become: yes
    when: ansible_facts['distribution'] in supported_distros and ansible_facts['distribution_version'] >= "8"
  - debug:
      msg: echo "Host {{ ansible_facts['hostname'] }} does not meet minimal requirements"
    when: ansible_facts['distribution'] not in supported_distros or ansible_facts['distribution_version'] < "8"

- name: create index.html in local /tmp
  hosts: localhost
  tasks:
  - name: create Index.html in local /tmp
    copy:
      content: "Welcome to my webserver"
      dest: /tmp/index.html
      owner: root
      group: root

- name: deploy index.html
  hosts: ansible2.example.com
  tasks:
  - name: copy index.html to /var/www/html
    copy:
      src: /tmp/index.html
      dest: /var/www/html
      owner: root
      group: root
      mode: "0644"
    register: command_result
    notify:
      - restart_web
  - name: debugging
    debug:
      var: command_result
  - debug:
      msg: echo "Failed copying index.html to {{ ansible_facts['hostname'] }}"
    when: not command_result.changed
  handlers:
    - name: restart_web
      service:
        name: httpd
        state: restarted

[ansible@control lesson8]$ cat packages.yml
webpackages:
  - httpd
  - mod_ssl