1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
# frozen_string_literal: true
# Takes an optional content and an optional template name and returns the contents of a file.
Puppet::Functions.create_function(:'extlib::default_content') do
# @param content
# @param template_name
# The path to an .erb or .epp template file or `undef`.
# @return
# Returns the value of the content parameter if it's a non empty string.
# Otherwise returns the rendered output from `template_name`.
# Returns `undef` if both `content` and `template_name` are `undef`.
#
# @example Using the function with a file resource.
# $config_file_content = default_content($file_content, $template_location)
# file { '/tmp/x':
# ensure => 'file',
# content => $config_file_content,
# }
dispatch :default_content do
param 'Optional[String]', :content
param 'Optional[String]', :template_name
return_type 'Optional[String]'
end
def emptyish(param)
param.nil? || param.empty? || param == :undef
end
def default_content(content = :undef, template_name = :undef)
return content unless emptyish(content)
unless emptyish(template_name)
return call_function('template', template_name) unless template_name.end_with?('.epp')
return call_function('epp', template_name)
end
:undef
end
end
|
