module Propellor.Property.Service where import Propellor.Base type ServiceName = String -- | Ensures that a service is running. Does not ensure that -- any package providing that service is installed. See -- Apt.serviceInstalledRunning -- -- Note that due to the general poor state of init scripts, the best -- we can do is try to start the service, and if it fails, assume -- this means it's already running. running :: ServiceName -> Property DebianLike running = signaled "start" "running" restarted :: ServiceName -> Property DebianLike restarted = signaled "restart" "restarted" reloaded :: ServiceName -> Property DebianLike reloaded = signaled "reload" "reloaded" signaled :: String -> Desc -> ServiceName -> Property DebianLike signaled cmd desc svc = tightenTargets $ p `describe` (desc ++ " " ++ svc) where p = scriptProperty ["service " ++ shellEscape svc ++ " " ++ cmd ++ " >/dev/null 2>&1 || true"] `assume` NoChange