86 lines
3 KiB
Ruby
86 lines
3 KiB
Ruby
module Gitlab
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module CurrentSettings
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class << self
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def current_application_settings
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Gitlab::SafeRequestStore.fetch(:current_application_settings) { ensure_application_settings! }
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end
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def fake_application_settings(attributes = {})
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Gitlab::FakeApplicationSettings.new(::ApplicationSetting.defaults.merge(attributes || {}))
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end
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def clear_in_memory_application_settings!
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@in_memory_application_settings = nil
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end
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def method_missing(name, *args, &block)
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current_application_settings.send(name, *args, &block) # rubocop:disable GitlabSecurity/PublicSend
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end
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def respond_to_missing?(name, include_private = false)
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current_application_settings.respond_to?(name, include_private) || super
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end
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private
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def ensure_application_settings!
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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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return in_memory_application_settings if ENV['IN_MEMORY_APPLICATION_SETTINGS'] == 'true'
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begin
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::ApplicationSetting.cached
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rescue
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# In case Redis isn't running
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# or the Redis UNIX socket file is not available
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# or the DB is not running (we use migrations in the cache key)
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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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current_settings = ::ApplicationSetting.current
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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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return fake_application_settings(current_settings&.attributes)
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end
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return current_settings if current_settings.present?
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with_fallback_to_fake_application_settings do
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::ApplicationSetting.create_from_defaults || in_memory_application_settings
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end
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end
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def in_memory_application_settings
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with_fallback_to_fake_application_settings do
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@in_memory_application_settings ||= ::ApplicationSetting.build_from_defaults
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end
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end
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def with_fallback_to_fake_application_settings(&block)
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yield
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rescue
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# In case the application_settings table is not created yet, or if a new
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# ApplicationSetting column is not yet migrated 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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Gitlab::Database.cached_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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end
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