require 'puppet/provider/parsedfile'

known = nil
case Facter.value(:operatingsystem)
when "Darwin"; known = "/etc/ssh_known_hosts"
else
  known = "/etc/ssh/ssh_known_hosts"
end


Puppet::Type.type(:sshkey).provide(
  :parsed,
  :parent => Puppet::Provider::ParsedFile,
  :default_target => known,
  :filetype => :flat
) do
  desc "Parse and generate host-wide known hosts files for SSH."

  text_line :comment, :match => /^#/
  text_line :blank, :match => /^\s+/

  record_line :parsed, :fields => %w{name type key},
    :post_parse => proc { |hash|
      names = hash[:name].split(",", -1)
      hash[:name]  = names.shift
      hash[:host_aliases] = names
    },
    :pre_gen => proc { |hash|
      if hash[:host_aliases]
        names = [hash[:name], hash[:host_aliases]].flatten

        hash[:name] = [hash[:name], hash[:host_aliases]].flatten.join(",")
        hash.delete(:host_aliases)
      end
    }
end

