class nfs::service {

    tag('autoapply')

    define nfs::exports_entry (
            $ensure = 'present'
        ) {

        line { "_exports_entry_$title":
            file => "/etc/exports",
            line => "$title",
            ensure => $ensure,
            notify => Exec["exportfs -r"],
        }
    }

    #e.g
    #exports_entry { "/opt/semantico/data/tmp         192.168.0.0/22(rw,sync)":
    #    tag => "autoapply",
    #}

    #distro specific dependencies
    case $operatingsystem {
        debian: { include nfs::service::debian }
        CentOS: { include nfs::service::redhat }
        redhat: { include nfs::service::redhat }
    }

    # run this whenever the exports file has been updated
    exec { "exportfs -r" :
        path => "/usr/bin:/usr/sbin:/bin",
        subscribe => "nfs::exports_entry",
    }

    file { "exports":
        path   => "/etc/exports",
        ensure => present,
    }

}

class nfs::service::redhat {

}

class nfs::service::debian {

    package { "nfs-kernel-service":
        ensure => present,
    }

}