Puppet Function: systemd::formatkv

Defined in:
functions/formatkv.pp
Function type:
Puppet Language

Overview

systemd::formatkv(Any $section, Any $h) ⇒ Any

Helper function that turns a section + key-value hash into systemd.unit section directives.

Notes:

The section header is included in the output
Empty values are filtered out
Values of type ARRAY are converted to a space-separated string

Parameters:

  • section (Any)
  • h (Any)

Returns:

  • (Any) 


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# File 'functions/formatkv.pp', line 10

function systemd::formatkv($section,$h) {

  #
  ## Output section header and append one directive for each KV pair in
  ## the hash. Note: if hash is empty, no output is produced
  #
  $directives = $h.reduce('') |$memo,$v| {
    $s = [$v[1]].flatten.filter |$a| { !empty($a) }.join(' ')
    empty($s) ? { false => "${memo}\n${v[0]}=${s}", true => $memo }
  }

  if empty($directives) { return('') }

  "[${section}]${directives}"

}