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# frozen_string_literal: true
module Sidekiq
##
# Sidekiq::Component assumes a config instance is available at @config
module Component # :nodoc:
attr_reader :config
def watchdog(last_words)
yield
rescue Exception => ex
handle_exception(ex, {context: last_words})
raise ex
end
def safe_thread(name, &block)
Thread.new do
Thread.current.name = "sidekiq.#{name}"
watchdog(name, &block)
end
end
def logger
config.logger
end
def redis(&block)
config.redis(&block)
end
def tid
Thread.current["sidekiq_tid"] ||= (Thread.current.object_id ^ ::Process.pid).to_s(36)
end
def hostname
ENV["DYNO"] || Socket.gethostname
end
def process_nonce
@@process_nonce ||= SecureRandom.hex(6)
end
def identity
@@identity ||= "#{hostname}:#{::Process.pid}:#{process_nonce}"
end
def handle_exception(ex, ctx = {})
config.handle_exception(ex, ctx)
end
def fire_event(event, options = {})
oneshot = options.fetch(:oneshot, true)
reverse = options[:reverse]
reraise = options[:reraise]
logger.debug("Firing #{event} event") if oneshot
arr = config[:lifecycle_events][event]
arr.reverse! if reverse
arr.each do |block|
block.call
rescue => ex
handle_exception(ex, {context: "Exception during Sidekiq lifecycle event.", event: event})
raise ex if reraise
end
arr.clear if oneshot # once we've fired an event, we never fire it again
end
end
end
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