Module: OsCtld::DistConfig::Helpers::RedHat

Included in:
Distributions::RedHat::Configurator, Network::RedHatInitScripts, Network::RedHatNetworkManager
Defined in:
lib/osctld/dist_config/helpers/redhat.rb

Instance Method Summary collapse

Instance Method Details

#set_params(file, params) ⇒ Object

Parameters:

  • file (String)
  • params (Hash) 


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# File 'lib/osctld/dist_config/helpers/redhat.rb', line 5

def set_params(file, params)
  return unless writable?(file)

  regenerate_file(file, 0644) do |new, old|
    if old
      # Overwrite existing params and keep unchanged ones
      old.each_line do |line|
        param, value = params.detect { |k, v| /^#{k}=/ =~ line }

        if param
          new.puts("#{param}=\"#{value}\"")
          params.delete(param)

        else
          new.write(line)
        end
      end

      # Write new params
      params.each do |k, v|
        new.puts("#{k}=\"#{v}\"")
      end

    else
      # File did not exist, write all params
      params.each do |k, v|
        new.puts("#{k}=\"#{v}\"")
      end
    end
  end
end