62 lines
1.9 KiB
Ruby
62 lines
1.9 KiB
Ruby
# frozen_string_literal: true
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module Gitlab
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module Import
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module AdvanceStage
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INTERVAL = 30.seconds.to_i
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# The number of seconds to wait (while blocking the thread) before
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# continuing to the next waiter.
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BLOCKING_WAIT_TIME = 5
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# project_id - The ID of the project being imported.
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# waiters - A Hash mapping Gitlab::JobWaiter keys to the number of
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# remaining jobs.
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# next_stage - The name of the next stage to start when all jobs have been
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# completed.
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def perform(project_id, waiters, next_stage)
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return unless import_state = find_import_state(project_id)
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new_waiters = wait_for_jobs(waiters)
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if new_waiters.empty?
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# We refresh the import JID here so workers importing individual
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# resources (e.g. notes) don't have to do this all the time, reducing
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# the pressure on Redis. We _only_ do this once all jobs are done so
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# we don't get stuck forever if one or more jobs failed to notify the
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# JobWaiter.
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import_state.refresh_jid_expiration
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next_stage_worker(next_stage).perform_async(project_id)
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else
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self.class.perform_in(INTERVAL, project_id, new_waiters, next_stage)
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end
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end
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def wait_for_jobs(waiters)
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waiters.each_with_object({}) do |(key, remaining), new_waiters|
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waiter = JobWaiter.new(remaining, key)
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# We wait for a brief moment of time so we don't reschedule if we can
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# complete the work fast enough.
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waiter.wait(BLOCKING_WAIT_TIME)
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next unless waiter.jobs_remaining > 0
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new_waiters[waiter.key] = waiter.jobs_remaining
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end
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end
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def find_import_state(project_id)
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raise NotImplementedError
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end
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private
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def next_stage_worker(next_stage)
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raise NotImplementedError
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end
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end
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end
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end
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