-- | Maintainer: FĂ©lix Sipma module Propellor.Property.Uwsgi where import Propellor import qualified Propellor.Property.File as File import qualified Propellor.Property.Apt as Apt import qualified Propellor.Property.Service as Service import System.Posix.Files type ConfigFile = [String] type AppName = String appEnabled :: AppName -> ConfigFile -> RevertableProperty appEnabled an cf = enable disable where enable = check test prop `describe` ("uwsgi app enabled " ++ an) `requires` appAvailable an cf `requires` installed `onChange` reloaded where test = not <$> doesFileExist (appVal an) prop = property "uwsgi app in place" $ makeChange $ createSymbolicLink target dir target = appValRelativeCfg an dir = appVal an disable = trivial $ File.notPresent (appVal an) `describe` ("uwsgi app disable" ++ an) `requires` installed `onChange` reloaded appAvailable :: AppName -> ConfigFile -> Property NoInfo appAvailable an cf = ("uwsgi app available " ++ an) ==> appCfg an `File.hasContent` (comment : cf) where comment = "# deployed with propellor, do not modify" appCfg :: AppName -> FilePath appCfg an = "/etc/uwsgi/apps-available/" ++ an appVal :: AppName -> FilePath appVal an = "/etc/uwsgi/apps-enabled/" ++ an appValRelativeCfg :: AppName -> FilePath appValRelativeCfg an = "../apps-available/" ++ an installed :: Property NoInfo installed = Apt.installed ["uwsgi"] restarted :: Property NoInfo restarted = Service.restarted "uwsgi" reloaded :: Property NoInfo reloaded = Service.reloaded "uwsgi"