# $Id: parsed.rb 2612 2009-06-21 17:29:50Z uwaechte $
require 'puppet/provider/parsedfile'

exports="/etc/exports"

Puppet::Type.type(:nfs_export).provide(
  :parsed,
  :parent => Puppet::Provider::ParsedFile,
  :default_target => exports,
  :filetype => :flat
) do
  confine :exists => exports
  text_line :comment, :match => /^#/
    text_line :blank, :match => /^\s*$/

    record_line :parsed, 
    :fields => %w{name export_point client options},
    :optional => %w{export_point},
    :block_eval => :instance do

    def process(line)
      record = {}
      parseregex = nil
      case Facter.value(:kernel)
      when "Linux" 
	parseregex = /^(\S+)\s+(\S+)\((\S+)\)\s#PuppetName:\s(\S+)$/
      else
	parseregex = /^(\S+)\s+(.*)\s(\S+)\s#PuppetName:\s(\S+)$/
      end
      if line =~ parseregex
	record[:export_point] = $1
	case Facter.value(:kernel)
	when "Linux" 
	  record[:client] = $3
	  record[:options] = $2
	else
	  record[:client] = $2
	  record[:options] = $3
	end

	record[:name] = $4
      else        
	raise Puppet::Error, "Could not match '%s'" % line  
      end
      return record
    end

    def self.to_line(record)
      return super unless record[:record_type] == :parsed
      [:client, :options, :name].each do |n|
	unless record[n] and record[n] != :absent
	  raise ArgumentError, "%s is a required attribute for nfs_export" % n
	end      
      end
      str = ""
      if !record[:export_point]
	record[:export_point] = record[:name]
      end
      case Facter.value(:kernel)
      when "Linux"
	return "%s\t%s(%s) #PuppetName: %s" %[record[:export_point], record[:client], record[:options], record[:name]]
      else
	return "%s\t%s %s #PuppetName: %s" %[record[:export_point], record[:options], record[:client], record[:name]]
      end
    end
    end

  def flush
    cmd=nil
    if Facter.value(:kernel) == "Linux"
      cmd = "/usr/sbin/exportfs -ra"
    elsif Facter.value(:kernel) == "FreeBSD"
      cmd = "/etc/rc.d/mountd reload"
    end
    out = %x{#{cmd}}
    unless $? == 0
      raise ArgumentError, "Failed to apply new exports: #{out}"
    end
  end
end