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# frozen_string_literal: true
module CronSchedulable
extend ActiveSupport::Concern
include Schedulable
##
# The `next_run_at` column is set to the actual execution date of worker that
# triggers the schedule. This way, a schedule like `*/1 * * * *` won't be triggered
# in a short interval when the worker runs irregularly by Sidekiq Memory Killer.
def set_next_run_at
now = Time.zone.now
ideal_next_run = ideal_next_run_from(now)
self.next_run_at = if ideal_next_run == cron_worker_next_run_from(now)
ideal_next_run
else
cron_worker_next_run_from(ideal_next_run)
end
end
private
def ideal_next_run_from(start_time)
next_time_from(start_time, cron, cron_timezone)
end
def cron_worker_next_run_from(start_time)
next_time_from(start_time, worker_cron_expression, Time.zone.name)
end
def next_time_from(start_time, cron, cron_timezone)
Gitlab::Ci::CronParser
.new(cron, cron_timezone)
.next_time_from(start_time)
end
def worker_cron_expression
raise NotImplementedError
end
end
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