45 lines
1.4 KiB
Ruby
45 lines
1.4 KiB
Ruby
# frozen_string_literal: true
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module Gitlab
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module BackgroundMigration
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# A job to nullify orphan runner_id on ci_builds table
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class NullifyOrphanRunnerIdOnCiBuilds
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include Gitlab::Database::DynamicModelHelpers
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def perform(start_id, end_id, batch_table, batch_column, sub_batch_size, pause_ms)
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pause_ms = 0 if pause_ms < 0
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batch_relation = relation_scoped_to_range(batch_table, batch_column, start_id, end_id)
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batch_relation.each_batch(column: batch_column, of: sub_batch_size) do |sub_batch|
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batch_metrics.time_operation(:update_all) do
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filtered_sub_batch(sub_batch).update_all(runner_id: nil)
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end
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sleep(pause_ms * 0.001)
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end
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end
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def batch_metrics
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@batch_metrics ||= Gitlab::Database::BackgroundMigration::BatchMetrics.new
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end
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private
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def connection
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::Ci::ApplicationRecord.connection
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end
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def relation_scoped_to_range(source_table, source_key_column, start_id, stop_id)
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define_batchable_model(source_table, connection: connection)
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.where(source_key_column => start_id..stop_id)
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end
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def filtered_sub_batch(sub_batch)
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sub_batch
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.joins('LEFT OUTER JOIN ci_runners ON ci_runners.id = ci_builds.runner_id')
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.where('ci_builds.runner_id IS NOT NULL AND ci_runners.id IS NULL')
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end
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end
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end
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end
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