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module Gitlab
module CurrentSettings
def current_application_settings
if RequestStore.active?
RequestStore.fetch(:current_application_settings) { ensure_application_settings! }
else
ensure_application_settings!
end
end
def ensure_application_settings!
if connect_to_db?
begin
settings = ::ApplicationSetting.current
# In case Redis isn't running or the Redis UNIX socket file is not available
rescue ::Redis::BaseError, ::Errno::ENOENT
settings = ::ApplicationSetting.last
end
settings ||= ::ApplicationSetting.create_from_defaults unless ActiveRecord::Migrator.needs_migration?
end
settings || fake_application_settings
end
def sidekiq_throttling_enabled?
current_application_settings.sidekiq_throttling_enabled?
end
def fake_application_settings
ApplicationSetting.new(ApplicationSetting::DEFAULTS)
end
private
def connect_to_db?
# When the DBMS is not available, an exception (e.g. PG::ConnectionBad) is raised
active_db_connection = ActiveRecord::Base.connection.active? rescue false
active_db_connection &&
ActiveRecord::Base.connection.table_exists?('application_settings')
rescue ActiveRecord::NoDatabaseError
false
end
end
end
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