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authorJoey Hess2014-04-08 19:31:03 -0400
committerJoey Hess2014-04-08 19:31:03 -0400
commita52a2a89dfe92d7bed4a6446101657a288fd3bae (patch)
tree207f98df36a858276269dcf87926566ea082018b /Propellor/Property/Service.hs
parent7561ee0443a33ffc0574dc6b606c9128da3fba4f (diff)
serviceInstalledRunning
Diffstat (limited to 'Propellor/Property/Service.hs')
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1 files changed, 25 insertions, 0 deletions
diff --git a/Propellor/Property/Service.hs b/Propellor/Property/Service.hs
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+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