73 lines
1.8 KiB
Ruby
73 lines
1.8 KiB
Ruby
# frozen_string_literal: true
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module Gitlab
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class SidekiqMigrateJobs
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LOG_FREQUENCY = 1_000
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attr_reader :sidekiq_set, :logger
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def initialize(sidekiq_set, logger: nil)
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@sidekiq_set = sidekiq_set
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@logger = logger
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end
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# mappings is a hash of WorkerClassName => target_queue_name
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def execute(mappings)
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source_queues_regex = Regexp.union(mappings.keys)
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cursor = 0
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scanned = 0
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migrated = 0
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estimated_size = Sidekiq.redis { |c| c.zcard(sidekiq_set) }
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logger&.info("Processing #{sidekiq_set} set. Estimated size: #{estimated_size}.")
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begin
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cursor, jobs = Sidekiq.redis { |c| c.zscan(sidekiq_set, cursor) }
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jobs.each do |(job, score)|
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if scanned > 0 && scanned % LOG_FREQUENCY == 0
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logger&.info("In progress. Scanned records: #{scanned}. Migrated records: #{migrated}.")
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end
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scanned += 1
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next unless job.match?(source_queues_regex)
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job_hash = Sidekiq.load_json(job)
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destination_queue = mappings[job_hash['class']]
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next unless mappings.has_key?(job_hash['class'])
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next if job_hash['queue'] == destination_queue
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job_hash['queue'] = destination_queue
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migrated += migrate_job(job, score, job_hash)
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end
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end while cursor.to_i != 0
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logger&.info("Done. Scanned records: #{scanned}. Migrated records: #{migrated}.")
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{
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scanned: scanned,
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migrated: migrated
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}
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end
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private
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def migrate_job(job, score, job_hash)
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Sidekiq.redis do |connection|
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removed = connection.zrem(sidekiq_set, job)
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if removed
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connection.zadd(sidekiq_set, score, Sidekiq.dump_json(job_hash))
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1
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else
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0
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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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