119 lines
3.3 KiB
Ruby
119 lines
3.3 KiB
Ruby
# frozen_string_literal: true
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module Ci
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module PipelineProcessing
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class AtomicProcessingService
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include Gitlab::Utils::StrongMemoize
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include ExclusiveLeaseGuard
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attr_reader :pipeline
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DEFAULT_LEASE_TIMEOUT = 1.minute
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BATCH_SIZE = 20
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def initialize(pipeline)
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@pipeline = pipeline
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@collection = AtomicProcessingService::StatusCollection.new(pipeline)
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end
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def execute
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return unless pipeline.needs_processing?
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success = try_obtain_lease { process! }
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# re-schedule if we need further processing
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if success && pipeline.needs_processing?
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PipelineProcessWorker.perform_async(pipeline.id)
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end
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success
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end
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private
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def process!
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update_stages!
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update_pipeline!
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update_statuses_processed!
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true
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end
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def update_stages!
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pipeline.stages.ordered.each(&method(:update_stage!))
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end
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def update_stage!(stage)
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# Update processables for a given stage in bulk/slices
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ids = @collection.created_processable_ids_for_stage_position(stage.position)
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ids.in_groups_of(BATCH_SIZE, false, &method(:update_processables!))
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status = @collection.status_for_stage_position(stage.position)
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stage.set_status(status)
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end
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def update_processables!(ids)
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created_processables = pipeline.processables.for_ids(ids)
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.with_project_preload
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.created
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.latest
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.ordered_by_stage
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.select_with_aggregated_needs(project)
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created_processables.each(&method(:update_processable!))
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end
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def update_pipeline!
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pipeline.set_status(@collection.status_of_all)
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end
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def update_statuses_processed!
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processing = @collection.processing_processables
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processing.each_slice(BATCH_SIZE) do |slice|
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pipeline.statuses.match_id_and_lock_version(slice)
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.update_as_processed!
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end
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end
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def update_processable!(processable)
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status = processable_status(processable)
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return unless HasStatus::COMPLETED_STATUSES.include?(status)
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# transition status if possible
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Gitlab::OptimisticLocking.retry_lock(processable) do |subject|
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Ci::ProcessBuildService.new(project, subject.user)
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.execute(subject, status)
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# update internal representation of status
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# to make the status change of processable
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# to be taken into account during further processing
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@collection.set_processable_status(
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processable.id, processable.status, processable.lock_version)
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end
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end
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def processable_status(processable)
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if processable.scheduling_type_dag?
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# Processable uses DAG, get status of all dependent needs
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@collection.status_for_names(processable.aggregated_needs_names.to_a, dag: true)
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else
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# Processable uses Stages, get status of prior stage
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@collection.status_for_prior_stage_position(processable.stage_idx.to_i)
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end
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end
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def project
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pipeline.project
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end
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def lease_key
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"#{super}::pipeline_id:#{pipeline.id}"
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end
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def lease_timeout
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DEFAULT_LEASE_TIMEOUT
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end
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end
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end
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end
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