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- hosts: httpd
  vars_files:
    - "{{ ansible_facts['distribution'] }}-{{ ansible_facts['distribution_major_version'] }}.yml"

  tasks:
  - name: Install web server software
    package:
      name: "{{ package_name }}"
      state: present

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package_name: apache2
service_name: apache2
doc_root: /var/www/html

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package_name: httpd
service_name: httpd
doc_root: /var/www/html

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Listen {{ http_port }}

<Virtualhost {{ ansible_facts['default_ipv4']['address'] }}:{{ http_port }}>
DocumentRoot {{ doc_root }}

</Virtualhost>

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- hosts: httpd
  vars_prompt:
          - name: "doc_root"
            prompt: "Enter document root name "
            private: no
          - name: "http_port"
            prompt: "Enter port no "
            private: no

  tasks:

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- hosts: webserver
  tasks:
          - name: "installing the httpd server"
            package:
                    name: "httpd"
                    state: present

          - name: "installing the php on the webserver"
            package:
                    name: "php"

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hadoop_path: "/home/ec2-user/hadoop-1.2.1-1.x86_64.rpm"

jdk_path: "/home/ec2-user/jdk-8u171-linux-x64.rpm"

hadoop_software: "/root/hadoop-1.2.1-1.x86_64.rpm"

jdk_software: "/root/jdk-8u171-linux-x64.rpm"

core_site: "/home/ec2-user/client_files/core-site.xml"

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- hosts: client
  vars_files:
     - client_var.yml
  tasks:
  - name: "Copying the hadoop File"
    copy:
     src: "{{ hadoop_path }}"
     dest: "/root/"
  - name: "Copying the JDK File"
    copy:

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hadoop_path: "/home/ec2-user/hadoop-1.2.1-1.x86_64.rpm"

jdk_path: "/home/ec2-user/jdk-8u171-linux-x64.rpm"

hadoop_software: "/root/hadoop-1.2.1-1.x86_64.rpm"

jdk_software: "/root/jdk-8u171-linux-x64.rpm"

core_site: "/home/ec2-user/datanode_files/core-site.xml"

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- hosts: datanode
  vars_files:
     - data_var.yml
  tasks:
  - name: "Copying the hadoop File"
    copy:
     src: "{{ hadoop_path }}"
     dest: "/root/"
  - name: "Copying the JDK File"
    copy: