2016-10-21 16:13:41 +00:00
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require 'json'
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# See http://doc.gitlab.com/ce/development/migration_style_guide.html
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# for more information on how to write migrations for GitLab.
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2018-11-13 07:27:31 +00:00
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class MigrateSidekiqQueuesFromDefault < ActiveRecord::Migration[4.2]
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2016-10-21 16:13:41 +00:00
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include Gitlab::Database::MigrationHelpers
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DOWNTIME = true
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2017-02-22 22:34:45 +00:00
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DOWNTIME_REASON = <<-EOF
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2016-10-21 16:13:41 +00:00
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Moving Sidekiq jobs from queues requires Sidekiq to be stopped. Not stopping
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Sidekiq will result in the loss of jobs that are scheduled after this
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migration completes.
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EOF
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disable_ddl_transaction!
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# Jobs for which the queue names have been changed (e.g. multiple workers
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# using the same non-default queue).
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#
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# The keys are the old queue names, the values the jobs to move and their new
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# queue names.
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RENAMED_QUEUES = {
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gitlab_shell: {
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'GitGarbageCollectorWorker' => :git_garbage_collector,
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'ProjectExportWorker' => :project_export,
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'RepositoryForkWorker' => :repository_fork,
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'RepositoryImportWorker' => :repository_import
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},
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project_web_hook: {
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'ProjectServiceWorker' => :project_service
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},
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incoming_email: {
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'EmailReceiverWorker' => :email_receiver
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},
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mailers: {
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'EmailsOnPushWorker' => :emails_on_push
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},
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default: {
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'AdminEmailWorker' => :cronjob,
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'BuildCoverageWorker' => :build,
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'BuildEmailWorker' => :build,
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'BuildFinishedWorker' => :build,
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'BuildHooksWorker' => :build,
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'BuildSuccessWorker' => :build,
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'ClearDatabaseCacheWorker' => :clear_database_cache,
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'DeleteUserWorker' => :delete_user,
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'ExpireBuildArtifactsWorker' => :cronjob,
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'ExpireBuildInstanceArtifactsWorker' => :expire_build_instance_artifacts,
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'GroupDestroyWorker' => :group_destroy,
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'ImportExportProjectCleanupWorker' => :cronjob,
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'IrkerWorker' => :irker,
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'MergeWorker' => :merge,
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'NewNoteWorker' => :new_note,
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'PipelineHooksWorker' => :pipeline,
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'PipelineMetricsWorker' => :pipeline,
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'PipelineProcessWorker' => :pipeline,
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'PipelineSuccessWorker' => :pipeline,
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'PipelineUpdateWorker' => :pipeline,
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'ProjectCacheWorker' => :project_cache,
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'ProjectDestroyWorker' => :project_destroy,
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'PruneOldEventsWorker' => :cronjob,
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'RemoveExpiredGroupLinksWorker' => :cronjob,
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'RemoveExpiredMembersWorker' => :cronjob,
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'RepositoryArchiveCacheWorker' => :cronjob,
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'RepositoryCheck::BatchWorker' => :cronjob,
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'RepositoryCheck::ClearWorker' => :repository_check,
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'RepositoryCheck::SingleRepositoryWorker' => :repository_check,
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'RequestsProfilesWorker' => :cronjob,
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'StuckCiBuildsWorker' => :cronjob,
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'UpdateMergeRequestsWorker' => :update_merge_requests
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}
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2017-02-21 23:32:18 +00:00
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}.freeze
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2016-10-21 16:13:41 +00:00
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def up
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Sidekiq.redis do |redis|
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RENAMED_QUEUES.each do |queue, jobs|
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migrate_from_queue(redis, queue, jobs)
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end
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end
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end
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def down
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Sidekiq.redis do |redis|
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RENAMED_QUEUES.each do |dest_queue, jobs|
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jobs.each do |worker, from_queue|
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migrate_from_queue(redis, from_queue, worker => dest_queue)
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end
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end
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end
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end
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def migrate_from_queue(redis, queue, job_mapping)
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while job = redis.lpop("queue:#{queue}")
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2017-02-22 00:42:22 +00:00
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payload = JSON.parse(job)
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2016-10-21 16:13:41 +00:00
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new_queue = job_mapping[payload['class']]
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# If we have no target queue to migrate to we're probably dealing with
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# some ancient job for which the worker no longer exists. In that case
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# there's no sane option we can take, other than just dropping the job.
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next unless new_queue
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payload['queue'] = new_queue
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redis.lpush("queue:#{new_queue}", JSON.dump(payload))
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end
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end
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end
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