Puppet Function: patching_as_code::is_patchday

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

Overview

patching_as_code::is_patchday(Enum['Any','Monday','Tuesday','Wednesday','Thursday','Friday','Saturday','Sunday'] $day_of_week, Variant[Integer, Array] $week_iteration, String $patch_group)Any

Parameters:

  • day_of_week (Enum['Any','Monday','Tuesday','Wednesday','Thursday','Friday','Saturday','Sunday'])
  • week_iteration (Variant[Integer, Array])
  • patch_group (String)

Returns:

  • (Any)


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
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
# File 'functions/is_patchday.pp', line 1

function patching_as_code::is_patchday(
  Enum['Any','Monday','Tuesday','Wednesday','Thursday','Friday','Saturday','Sunday'] $day_of_week,
  Variant[Integer, Array] $week_iteration,
  String $patch_group
) {
  $srv_utc_time   = Timestamp()
  $node_offset    = $facts['patching_as_code_utc_offset'] ? {
    undef   => 0,
    default => $facts['patching_as_code_utc_offset'],
  }
  $node_timestamp = $srv_utc_time + ($node_offset * 3600)
  $year           = $node_timestamp.strftime('%Y')
  $month          = $node_timestamp.strftime('%m')
  $weekday        = Integer($node_timestamp.strftime('%u'))
  $dayofmonth     = Integer($node_timestamp.strftime('%e'))
  $startofmonth   = Timestamp("${year}-${month}-01", '%Y-%m-%e')
  $som_weekday    = Integer($startofmonth.strftime('%u'))
  $day_number     = $day_of_week ? {
    'Any'       => $weekday,
    'Monday'    => 1,
    'Tuesday'   => 2,
    'Wednesday' => 3,
    'Thursday'  => 4,
    'Friday'    => 5,
    'Saturday'  => 6,
    'Sunday'    => 7
  }

  # Calculate first occurence of same weekday
  if $day_number - $som_weekday < 0 {
    $firstocc = 1 + 7 + $day_number - $som_weekday
  } else {
    $firstocc = 1 + $day_number - $som_weekday
  }

  # Calculate dates of valid patch days
  case type($week_iteration, 'generalized') {
    Type[Integer]: {
      $patchdays = Array($firstocc + (( $week_iteration - 1 ) * 7 ), true)
    }
    Type[Array[Integer]]: {
      $patchdays = $week_iteration.map |$week| { $firstocc + (( $week - 1 ) * 7 ) }
    }
    default: {
      fail('The count_of_week parameter of the patch_schedule must be configured as an integer or an array of integers!')
    }
  }

  # Return true if today is a patch day
  if $dayofmonth in $patchdays {
    notice("Patching_as_code - Patch group: ${patch_group} - Node ${trusted['certname']} will install patches today")
    true
  } else {
    false
  }
}