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|
# frozen_string_literal: true
module Ci
module PipelineProcessing
class AtomicProcessingService
include Gitlab::Utils::StrongMemoize
include ExclusiveLeaseGuard
attr_reader :pipeline
DEFAULT_LEASE_TIMEOUT = 1.minute
BATCH_SIZE = 20
def initialize(pipeline)
@pipeline = pipeline
@collection = AtomicProcessingService::StatusCollection.new(pipeline)
end
def execute
return unless pipeline.needs_processing?
# Run the process only if we can obtain an exclusive lease; returns nil if lease is unavailable
success = try_obtain_lease { process! }
if success
# If any jobs changed from stopped to alive status during pipeline processing, we must
# re-reset their dependent jobs; see https://gitlab.com/gitlab-org/gitlab/-/issues/388539.
new_alive_jobs.group_by(&:user).each do |user, jobs|
log_running_reset_skipped_jobs_service(jobs)
ResetSkippedJobsService.new(project, user).execute(jobs)
end
# Re-schedule if we need further processing
PipelineProcessWorker.perform_async(pipeline.id) if pipeline.needs_processing?
end
success
end
private
def process!
update_stages!
update_pipeline!
update_jobs_processed!
Ci::ExpirePipelineCacheService.new.execute(pipeline)
true
end
def update_stages!
pipeline.stages.ordered.each { |stage| update_stage!(stage) }
end
def update_stage!(stage)
# Update jobs for a given stage in bulk/slices
@collection
.created_job_ids_in_stage(stage.position)
.in_groups_of(BATCH_SIZE, false) { |ids| update_jobs!(ids) }
status = @collection.status_of_stage(stage.position)
stage.set_status(status)
end
def update_jobs!(ids)
created_jobs = pipeline
.current_processable_jobs
.id_in(ids)
.with_project_preload
.created
.ordered_by_stage
.select_with_aggregated_needs(project)
created_jobs.each { |job| update_job!(job) }
end
def update_pipeline!
pipeline.set_status(@collection.status_of_all)
end
def update_jobs_processed!
processing = @collection.processing_jobs
processing.each_slice(BATCH_SIZE) do |slice|
pipeline.all_jobs.match_id_and_lock_version(slice)
.update_as_processed!
end
end
def update_job!(job)
previous_status = status_of_previous_jobs(job)
# We do not continue to process the job if the previous status is not completed
return unless Ci::HasStatus::COMPLETED_STATUSES.include?(previous_status)
Gitlab::OptimisticLocking.retry_lock(job, name: 'atomic_processing_update_job') do |subject|
Ci::ProcessBuildService.new(project, subject.user)
.execute(subject, previous_status)
# update internal representation of job
# to make the status change of job to be taken into account during further processing
@collection.set_job_status(job.id, job.status, job.lock_version)
end
end
def status_of_previous_jobs(job)
if job.scheduling_type_dag?
# job uses DAG, get status of all dependent needs
@collection.status_of_jobs(job.aggregated_needs_names.to_a)
else
# job uses Stages, get status of prior stage
@collection.status_of_jobs_prior_to_stage(job.stage_idx.to_i)
end
end
# Gets the jobs that changed from stopped to alive status since the initial status collection
# was evaluated. We determine this by checking if their current status is no longer stopped.
def new_alive_jobs
initial_stopped_job_names = @collection.stopped_job_names
return [] if initial_stopped_job_names.empty?
new_collection = AtomicProcessingService::StatusCollection.new(pipeline)
new_alive_job_names = initial_stopped_job_names - new_collection.stopped_job_names
return [] if new_alive_job_names.empty?
pipeline
.current_jobs
.by_name(new_alive_job_names)
.preload(:user) # rubocop: disable CodeReuse/ActiveRecord
.to_a
end
def project
pipeline.project
end
def lease_key
"#{super}::pipeline_id:#{pipeline.id}"
end
def lease_timeout
DEFAULT_LEASE_TIMEOUT
end
def lease_taken_log_level
:info
end
def log_running_reset_skipped_jobs_service(jobs)
Gitlab::AppJsonLogger.info(
class: self.class.name.to_s,
message: 'Running ResetSkippedJobsService on new alive jobs',
project_id: project.id,
pipeline_id: pipeline.id,
user_id: jobs.first.user.id,
jobs_count: jobs.count
)
end
end
end
end
|
