76 lines
2.7 KiB
Ruby
76 lines
2.7 KiB
Ruby
module Gitlab
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module CurrentSettings
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def current_application_settings
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if RequestStore.active?
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RequestStore.fetch(:current_application_settings) { ensure_application_settings! }
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else
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ensure_application_settings!
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end
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end
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delegate :sidekiq_throttling_enabled?, to: :current_application_settings
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def fake_application_settings(defaults = ::ApplicationSetting.defaults)
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FakeApplicationSettings.new(defaults)
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end
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private
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def ensure_application_settings!
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return in_memory_application_settings if ENV['IN_MEMORY_APPLICATION_SETTINGS'] == 'true'
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cached_application_settings || uncached_application_settings
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end
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def cached_application_settings
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begin
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::ApplicationSetting.cached
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rescue ::Redis::BaseError, ::Errno::ENOENT
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# In case Redis isn't running or the Redis UNIX socket file is not available
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end
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end
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def uncached_application_settings
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return fake_application_settings unless connect_to_db?
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# This loads from the database into the cache, so handle Redis errors
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begin
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db_settings = ::ApplicationSetting.current
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rescue ::Redis::BaseError, ::Errno::ENOENT
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# In case Redis isn't running or the Redis UNIX socket file is not available
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end
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# If there are pending migrations, it's possible there are columns that
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# need to be added to the application settings. To prevent Rake tasks
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# and other callers from failing, use any loaded settings and return
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# defaults for missing columns.
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if ActiveRecord::Migrator.needs_migration?
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defaults = ::ApplicationSetting.defaults
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defaults.merge!(db_settings.attributes.symbolize_keys) if db_settings.present?
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return fake_application_settings(defaults)
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end
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return db_settings if db_settings.present?
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::ApplicationSetting.create_from_defaults || in_memory_application_settings
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end
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def in_memory_application_settings
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@in_memory_application_settings ||= ::ApplicationSetting.new(::ApplicationSetting.defaults)
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rescue ActiveRecord::StatementInvalid, ActiveRecord::UnknownAttributeError
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# In case migrations the application_settings table is not created yet,
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# we fallback to a simple OpenStruct
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fake_application_settings
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end
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def connect_to_db?
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# When the DBMS is not available, an exception (e.g. PG::ConnectionBad) is raised
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active_db_connection = ActiveRecord::Base.connection.active? rescue false
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active_db_connection &&
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ActiveRecord::Base.connection.table_exists?('application_settings')
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rescue ActiveRecord::NoDatabaseError
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false
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end
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end
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end
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