Puppet Function: collectd_convert_processes

Defined in:
lib/puppet/parser/functions/collectd_convert_processes.rb
Function type:
Ruby 3.x API

Overview

collectd_convert_processes() ⇒ Any

Converts the array from the old style to define process or processmatch in the processes plugin into a create_resources compatible hash which can be used with the new style define.

Example:

[ { 'name' => 'foo', 'regex' => '.*' } , { 'name' => 'bar', 'regex' => '[0-9]+' },  "alone" ]

will be converted to

{ 'foo' => { 'regex' => '.*' } , 'bar' => { 'regex' => '[0-9]+' }, 'alone' => {} }

Returns:

  • (Any) 


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# File 'lib/puppet/parser/functions/collectd_convert_processes.rb', line 3

Puppet::Parser::Functions.newfunction(:collectd_convert_processes, type: :rvalue, arity: 1, doc: <<-ENDDOC
    Converts the array from the old style to define process or processmatch in the
    processes plugin into a create_resources compatible hash which
    can be used with the new style define.

    Example:
      [ { 'name' => 'foo', 'regex' => '.*' } , { 'name' => 'bar', 'regex' => '[0-9]+' },  "alone" ]
    will be converted to
      { 'foo' => { 'regex' => '.*' } , 'bar' => { 'regex' => '[0-9]+' }, 'alone' => {} }
ENDDOC
) do |args|
  raise(Puppet::ParseError, 'convert_process_array(): Needs exactly one argument') if args.size != 1

  if args[0].is_a?(Hash)
    return args[0] # Keep normal hiera hash as-is
  end

  parray = args[0]
  raise(Puppet::ParseError, 'convert_process_array(): Needs an array as argument') unless parray.is_a?(Array)

  phash = {}

  parray.each do |p|
    case p
    when String
      phash[p] = {}
    when Hash
      name = p.delete('name')
      phash[name] = p
    else
      raise(Puppet::ParseError, 'convert_process_array(): array element must be string or hash')
    end
  end
  return phash
end