130 lines
3.5 KiB
Ruby
130 lines
3.5 KiB
Ruby
# frozen_string_literal: true
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module BackupRestore
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class RunningSidekiqJobsError < RuntimeError
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def initialize
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super("Sidekiq did not finish running all the jobs in the allowed time!")
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end
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end
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class SystemInterface
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delegate :log, to: :@logger, private: true
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def initialize(logger)
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@logger = logger
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@current_db = RailsMultisite::ConnectionManagement.current_db
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@readonly_mode_was_enabled = Discourse.readonly_mode?
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end
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def enable_readonly_mode
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return if @readonly_mode_was_enabled
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log "Enabling readonly mode..."
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Discourse.enable_readonly_mode
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end
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def disable_readonly_mode
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return if @readonly_mode_was_enabled
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log "Disabling readonly mode..."
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Discourse.disable_readonly_mode
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rescue => ex
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log "Something went wrong while disabling readonly mode.", ex
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end
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def mark_restore_as_running
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log "Marking restore as running..."
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BackupRestore.mark_as_running!
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end
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def mark_restore_as_not_running
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log "Marking restore as finished..."
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BackupRestore.mark_as_not_running!
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rescue => ex
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log "Something went wrong while marking restore as finished.", ex
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end
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def listen_for_shutdown_signal
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BackupRestore.clear_shutdown_signal!
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Thread.new do
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while BackupRestore.is_operation_running?
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exit if BackupRestore.should_shutdown?
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sleep 0.1
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end
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end
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end
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def pause_sidekiq(reason)
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return if Sidekiq.paused?
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log "Pausing sidekiq..."
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Sidekiq.pause!(reason)
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end
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def unpause_sidekiq
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return unless Sidekiq.paused?
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log "Unpausing sidekiq..."
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Sidekiq.unpause!
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rescue => ex
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log "Something went wrong while unpausing Sidekiq.", ex
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end
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def wait_for_sidekiq
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# Wait at least 6 seconds because the data about workers is updated every 5 seconds
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# https://github.com/mperham/sidekiq/wiki/API#workers
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max_wait_seconds = 60
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wait_seconds = 6.0
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log "Waiting up to #{max_wait_seconds} seconds for Sidekiq to finish running jobs..."
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max_iterations = (max_wait_seconds / wait_seconds).ceil
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iterations = 1
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loop do
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sleep wait_seconds
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break if !sidekiq_has_running_jobs?
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iterations += 1
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raise RunningSidekiqJobsError.new if iterations > max_iterations
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log "Waiting for sidekiq to finish running jobs... ##{iterations}"
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end
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end
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def flush_redis
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redis = Discourse.redis
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redis.scan_each(match: "*") do |key|
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redis.del(key) unless key == SidekiqPauser::PAUSED_KEY
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end
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end
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def clear_sidekiq_queues
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Sidekiq::Queue.all.each do |queue|
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queue.each { |job| delete_job_if_it_belongs_to_current_site(job) }
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end
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Sidekiq::RetrySet.new.each { |job| delete_job_if_it_belongs_to_current_site(job) }
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Sidekiq::ScheduledSet.new.each { |job| delete_job_if_it_belongs_to_current_site(job) }
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Sidekiq::DeadSet.new.each { |job| delete_job_if_it_belongs_to_current_site(job) }
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end
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protected
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def sidekiq_has_running_jobs?
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Sidekiq::Workers.new.each do |_, _, work|
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args = work&.dig("payload", "args")&.first
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current_site_id = args["current_site_id"] if args.present?
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return true if current_site_id.blank? || current_site_id == @current_db
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end
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false
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end
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def delete_job_if_it_belongs_to_current_site(job)
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job.delete if job.args.first&.fetch("current_site_id", nil) == @current_db
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end
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end
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end
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