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Contents
# frozen_string_literal: true
# This Karafka component is a Pro component under a commercial license.
# This Karafka component is NOT licensed under LGPL.
#
# All of the commercial components are present in the lib/karafka/pro directory of this
# repository and their usage requires commercial license agreement.
#
# Karafka has also commercial-friendly license, commercial support and commercial components.
#
# By sending a pull request to the pro components, you are agreeing to transfer the copyright of
# your code to Maciej Mensfeld.
module Karafka
module Pro
module Routing
module Features
class DeadLetterQueue < Base
# Extended rules for dead letter queue settings
class Contract < Contracts::Base
configure do |config|
config.error_messages = YAML.safe_load(
File.read(
File.join(Karafka.gem_root, 'config', 'locales', 'pro_errors.yml')
)
).fetch('en').fetch('validations').fetch('topic')
end
# Make sure that when we use virtual partitions with DLQ, at least one retry is set
# We cannot use VP with DLQ without retries as we in order to provide ordering
# warranties on errors with VP, we need to collapse the VPs concurrency and retry
# without any indeterministic work
virtual do |data, errors|
next unless errors.empty?
dead_letter_queue = data[:dead_letter_queue]
virtual_partitions = data[:virtual_partitions]
next unless dead_letter_queue[:active]
next unless virtual_partitions[:active]
next if dead_letter_queue[:max_retries].positive?
[[%i[dead_letter_queue], :with_virtual_partitions]]
end
end
end
end
end
end
end
Version data entries
29 entries across 29 versions & 1 rubygems