2-puppet_custom_http_response_header.pp

# creating a custome header with puppet

exec { 'update':
        provider => shell,
        command  => 'sudo apt-get -y update',
        before   => Exec['install Nginx']
}

exec {'install Nginx':
        provider => shell,
        command  => 'sudo apt-get -y install nginx',
        before   => Exec['install nginx'],
}

exec { 'add_header':
        provider    => shell,
        environment => ["HOST=${hostname}"],
        command     => 'sudo sed -i "s/include \/etc\/nginx\/sites-enabled\/*;/include \/etc\/nginx\/sites-enabled\/\*;\n\tadd_header X-Served-By \"$HOST\";/" /etc/nginx/nginx.conf',
        before      => Exec['restart Nginx'],
}

exec { 'restart Nginx':
        provider => shell,
        command  => 'sudo service nginx restart',
}