#

class mysql::server::mysqltuner(

  $ensure  = 'present',

  $version = 'v1.3.0',

  $source  = undef,

) {

  if $source {

    $_version = $source

    $_source  = $source

  } else {

    $_version = $version

    $_source  = "https://github.com/major/MySQLTuner-perl/raw/${version}/mysqltuner.pl"

  }

  if $ensure == 'present' {

    # $::puppetversion doesn't exist in puppet 4.x so would break strict

    # variables

    if ! $::settings::strict_variables {

      $_puppetversion = $::puppetversion

    } else {

      # defined only works with puppet >= 3.5.0, so don't use it unless we're

      # actually using strict variables

      $_puppetversion = defined('$puppetversion') ? {

        true    => $::puppetversion,

        default => undef,

      }

    }

    # see https://tickets.puppetlabs.com/browse/ENTERPRISE-258

    if $_puppetversion and $_puppetversion =~ /Puppet Enterprise/ and versioncmp($_puppetversion, '3.8.0') < 0 {

      class { 'staging':

        path => '/opt/mysql_staging',

      }

    } else {

      class { 'staging': }

    }

    staging::file { "mysqltuner-${_version}":

      source => $_source,

    }

    file { '/usr/local/bin/mysqltuner':

      ensure  => $ensure,

      mode    => '0550',

      source  => "${::staging::path}/mysql/mysqltuner-${_version}",

      require => Staging::File["mysqltuner-${_version}"],

    }

  } else {

    file { '/usr/local/bin/mysqltuner':

      ensure => $ensure,

    }

  }

}