serviceInstalledRunning

1 files changed, 25 insertions, 0 deletions

diff --git a/Propellor/Property/Service.hs b/Propellor/Property/Service.hs
new file mode 100644
index 00000000..2fb3e0c6
--- /dev/null
+++ b/Propellor/Property/Service.hs
@@ -0,0 +1,25 @@
+module Propellor.Property.Service where
+
+import Propellor
+import Utility.SafeCommand
+
+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
+running svc = Property ("running " ++ svc) $ do
+		void $ ensureProperty $
+			scriptProperty ["service " ++ shellEscape svc ++ " start >/dev/null 2>&1 || true"]
+		return NoChange
+
+restarted :: ServiceName -> Property
+restarted svc = Property ("restarted " ++ svc) $ do
+	void $ ensureProperty $
+		scriptProperty ["service " ++ shellEscape svc ++ " restart >/dev/null 2>&1 || true"]
+	return NoChange