Puppet Function: validate_bool

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

Overview

validate_bool()Any

Validate that all passed values are either true or false. Abort catalog compilation if any value fails this check.

The following values will pass:

$iamtrue = true
validate_bool(true)
validate_bool(true, true, false, $iamtrue)

The following values will fail, causing compilation to abort:

$some_array = [ true ]
validate_bool("false")
validate_bool("true")
validate_bool($some_arra

Returns:

  • (Any)


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# File 'modules/stdlib/lib/puppet/parser/functions/validate_bool.rb', line 5

newfunction(:validate_bool, :doc => <<-'DOC') do |args|
  Validate that all passed values are either true or false. Abort catalog
  compilation if any value fails this check.

  The following values will pass:

      $iamtrue = true
      validate_bool(true)
      validate_bool(true, true, false, $iamtrue)

  The following values will fail, causing compilation to abort:

      $some_array = [ true ]
      validate_bool("false")
      validate_bool("true")
      validate_bool($some_array)

  DOC

  if args.empty?
    raise Puppet::ParseError, "validate_bool(): wrong number of arguments (#{args.length}; must be > 0)"
  end

  args.each do |arg|
    unless function_is_bool([arg])
      raise Puppet::ParseError, "#{arg.inspect} is not a boolean.  It looks to be a #{arg.class}"
    end
  end
end