⚜ CONFIGURATION OF APACHE WEBSERVER USING ANSIBLE ⚜

🔰 What is Ansible?

📃 Ansible is a configuration management system written in Python using a declarative markup language to describe configurations. It is used to automate software configuration and deployment.

⭐ Let’s Begin….. ⭐

♦️ Task Description:-
◾Restarting HTTPD Service is not idempotence in nature and also consume more resources.. Suggest a way to rectify this challenge in Ansible Playbook.

♦️ ANSWER :-
◾Automate the Ansible Playbook with Handlers..

♦️ What is Handlers in Ansible?
◾Handlers are just like normal tasks in an Ansible playbook but they run only when if the Task contains a “notify” directive. It also indicates that it changed something.

⭐ In Controller Node,

👉🏻 Variable File :

port_no: "8080"
dvd_dir: "/dvd1"
doc_root: "/var/www/first"

👉🏻 Ansible Play Book :

- hosts: <ip of webserver>
  vars_files:
  - vars.yml  tasks:- name: "Creating Directory For Mounting"
      file:
        state: directory
        path: "{{ dvd_dir }}"- name: "Mounting...."
      mount:
        src: "/dev/cdrom"
        fstype: iso9660
        state: mounted
        path: "{{ dvd_dir }}"- name: "Yum repo AppStream"
      yum_repository:
        name: "dvd1"
        description: "AppStream"
        baseurl: "{{ dvd_dir }}/AppStream"
        gpgcheck: no- name: "Yum repo BaseOS"
      yum_repository:
        name: "dvd2"
        description: "BaseOS"
        baseurl: "{{ dvd_dir }}/BaseOS"
        gpgcheck: no- name: "Install httpd"
      package:
        name: "httpd"
        state: present- name: "Start httpd services"
      service: 
        name: "httpd"
        state: started- name: "Copying Configuration File"
      template:
        src: "/root/ansible-ws/httpd/httpc.conf"
        dest: "/etc/httpd/conf.d/httpc.conf" 
      notify: Restart Service- name: "Enabling Firewall"
      firewalld:
        port: "{{ port_no }}/tcp"
        state: enabled
        permanent: yes
        immediate: yes- name: "New Document Root Directory"
      file:
        state: directory
        path: "{{ doc_root }}"- name: "Copying content to document Root"
      copy:
        content: "TASK 11.3 COMPLETED SUCCESSFULLY"
        dest: "{{ doc_root }}/index.html"

👉🏻 Configuration file of webserver :

#Configuration file of webserver#Listen {{ port_no }}<virtualhost {{ ansible_facts['default_ipv4']['address'] }}:{{ port_no }}>
DocumentRoot  {{ doc_root }}
</virtualhost>

👉🏻 Answer :

Adding Handlers to Play Book

          ***********************************
                   #Adding Handlers#handlers:
    - name: "Restart Service"
      service:
        name: "httpd"
        state: restarted          ***********************************