Class: TimeBucketStream::Quarantine

Inherits:
Object
  • Object
show all
Defined in:
lib/time_bucket_stream/quarantine.rb

Constant Summary collapse

DEFAULT_RETENTION = 
7 * 24 * 60 * 60
TIMESTAMP_PATTERN = 
/\.q-(\d{20})-\d+-[0-9a-f]+\.jsonl\z/

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(path:, clock: Time, retention: DEFAULT_RETENTION) ⇒ Quarantine

Returns a new instance of Quarantine.



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# File 'lib/time_bucket_stream/quarantine.rb', line 25

def initialize(path:, clock: Time, retention: DEFAULT_RETENTION)
  @paths = Paths.new(path: path)
  @clock = clock
  @retention = self.class.normalize_retention(retention)
end

Instance Attribute Details

#paths ⇒ Object (readonly)

Returns the value of attribute paths.



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# File 'lib/time_bucket_stream/quarantine.rb', line 12

def paths
  @paths
end

#retention ⇒ Object (readonly)

Returns the value of attribute retention.



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# File 'lib/time_bucket_stream/quarantine.rb', line 12

def retention
  @retention
end

Class Method Details

.normalize_retention(value) ⇒ Object 



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# File 'lib/time_bucket_stream/quarantine.rb', line 14

def self.normalize_retention(value)
  return nil if value.nil?

  seconds = Integer(value)
  return seconds if seconds >= 0

  raise ArgumentError
rescue ArgumentError, TypeError, RangeError
  raise ArgumentError, "quarantine_retention must be nil or a non-negative number of seconds"
end

Instance Method Details

#cleanup ⇒ Object 



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# File 'lib/time_bucket_stream/quarantine.rb', line 31

def cleanup
  return unless retention

  cutoff = current_time.utc - retention

  quarantine_log_names.each do |log_name|
    delete_pair(log_name) if expired_log?(log_name, cutoff)
  end

  orphan_metadata_names.each do |metadata_name|
    delete_metadata(metadata_name) if expired_metadata?(metadata_name, cutoff)
  end
rescue SystemCallError, IOError, JSON::ParserError
  nil
end