Class: SidekiqVigil::Alert::Cron

Inherits:
Object
  • Object
show all
Defined in:
lib/sidekiq_vigil/alert/cron.rb

Defined Under Namespace

Classes: Field

Constant Summary collapse

FIELD_RANGES = 
[
  (0..59),
  (0..23),
  (1..31),
  (1..12),
  (0..7)
].freeze

Instance Method Summary collapse

Constructor Details

#initialize(expression) ⇒ Cron

Returns a new instance of Cron.

Raises:



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# File 'lib/sidekiq_vigil/alert/cron.rb', line 16

def initialize(expression)
  fields = expression.to_s.split
  raise ConfigError, "mute cron must contain five fields" unless fields.length == FIELD_RANGES.length

  @fields = fields.zip(FIELD_RANGES).map { |field, range| parse_field(field, range) }
end

Instance Method Details

#match?(time) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/sidekiq_vigil/alert/cron.rb', line 23

def match?(time)
  minute, hour, day, month, weekday = fields
  fixed_fields = [[minute, time.min], [hour, time.hour], [month, time.month]]
  return false unless fixed_fields.all? { |field, value| field.values.include?(value) }

  day_matches = day.values.include?(time.day)
  weekday_matches = weekday.values.include?(time.wday)
  return day_matches || weekday_matches unless day.wildcard || weekday.wildcard

  day_matches && weekday_matches
end