60 lines
2.1 KiB
Ruby
60 lines
2.1 KiB
Ruby
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# frozen_string_literal: true
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# This migration will look for Vulnerabilities::Finding objects that would have a duplicate UUIDv5 if the UUID was
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# recalculated. Then it removes Vulnerabilities::FindingPipeline objects associated with those Findings.
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# We can't just drop those Findings directly since the cascade drop will timeout if any given Finding has too many
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# associated FindingPipelines
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class Gitlab::BackgroundMigration::RemoveOccurrencePipelinesAndDuplicateVulnerabilitiesFindings
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# rubocop:disable Gitlab/NamespacedClass, Style/Documentation
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class VulnerabilitiesFinding < ActiveRecord::Base
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self.table_name = "vulnerability_occurrences"
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end
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class VulnerabilitiesFindingPipeline < ActiveRecord::Base
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include EachBatch
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self.table_name = "vulnerability_occurrence_pipelines"
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end
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# rubocop:enable Gitlab/NamespacedClass, Style/Documentation
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def perform(start_id, end_id)
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ids_to_look_for = findings_that_would_produce_duplicate_uuids(start_id, end_id)
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ids_to_look_for.each do |finding_id|
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VulnerabilitiesFindingPipeline.where(occurrence_id: finding_id).each_batch(of: 1000) do |pipelines|
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pipelines.delete_all
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end
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end
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VulnerabilitiesFinding.where(id: ids_to_look_for).delete_all
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mark_job_as_succeeded(start_id, end_id)
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end
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private
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def findings_that_would_produce_duplicate_uuids(start_id, end_id)
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VulnerabilitiesFinding
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.from("vulnerability_occurrences to_delete")
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.where("to_delete.id BETWEEN ? AND ?", start_id, end_id)
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.where(
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"EXISTS (
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SELECT 1
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FROM vulnerability_occurrences duplicates
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WHERE duplicates.report_type = to_delete.report_type
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AND duplicates.location_fingerprint = to_delete.location_fingerprint
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AND duplicates.primary_identifier_id = to_delete.primary_identifier_id
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AND duplicates.project_id = to_delete.project_id
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AND duplicates.id > to_delete.id
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)"
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)
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.pluck("to_delete.id")
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end
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def mark_job_as_succeeded(*arguments)
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Gitlab::Database::BackgroundMigrationJob.mark_all_as_succeeded(
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self.class.name.demodulize,
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arguments
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)
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end
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end
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