43 lines
1.9 KiB
Ruby
43 lines
1.9 KiB
Ruby
# frozen_string_literal: true
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module Gitlab
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module BackgroundMigration
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# This detects and fixes job artifacts that have `expire_at` wrongly backfilled by the migration
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# https://gitlab.com/gitlab-org/gitlab/-/merge_requests/47723.
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# These job artifacts will not be deleted and will have their `expire_at` removed.
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class RemoveBackfilledJobArtifactsExpireAt < BatchedMigrationJob
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# The migration would have backfilled `expire_at`
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# to midnight on the 22nd of the month of the local timezone,
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# storing it as UTC time in the database.
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#
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# If the timezone setting has changed since the migration,
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# the `expire_at` stored in the database could have changed to a different local time other than midnight.
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# For example:
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# - changing timezone from UTC+02:00 to UTC+02:30 would change the `expire_at` in local time 00:00:00 to 00:30:00.
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# - changing timezone from UTC+00:00 to UTC-01:00 would change the `expire_at` in local time 00:00:00 to 23:00:00
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# on the previous day (21st).
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#
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# Therefore job artifacts that have `expire_at` exactly on the 00, 30 or 45 minute mark
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# on the dates 21, 22, 23 of the month will not be deleted.
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# https://en.wikipedia.org/wiki/List_of_UTC_time_offsets
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EXPIRES_ON_21_22_23_AT_MIDNIGHT_IN_TIMEZONE = <<~SQL
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EXTRACT(day FROM timezone('UTC', expire_at)) IN (21, 22, 23)
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AND EXTRACT(minute FROM timezone('UTC', expire_at)) IN (0, 30, 45)
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AND EXTRACT(second FROM timezone('UTC', expire_at)) = 0
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SQL
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scope_to ->(relation) {
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relation.where(EXPIRES_ON_21_22_23_AT_MIDNIGHT_IN_TIMEZONE)
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.or(relation.where(file_type: 3))
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}
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def perform
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each_sub_batch(
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operation_name: :update_all
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) do |sub_batch|
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sub_batch.update_all(expire_at: nil)
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end
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end
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end
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end
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end
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