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