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module Propellor.Property.Postfix where
import Propellor
import qualified Propellor.Property.Apt as Apt
installed :: Property
installed = Apt.serviceInstalledRunning "postfix"
-- | Configures postfix as a satellite system, which
-- relats all mail through a relay host, which defaults to smtp.domain.
--
-- The smarthost may refuse to relay mail on to other domains, without
-- futher coniguration/keys. But this should be enough to get cron job
-- mail flowing to a place where it will be seen.
satellite :: Property
satellite = setup `requires` installed
where
setup = trivial $ property "postfix satellite system" $ do
hn <- asks hostName
ensureProperty $ Apt.reConfigure "postfix"
[ ("postfix/main_mailer_type", "select", "Satellite system")
, ("postfix/root_address", "string", "root")
, ("postfix/destinations", "string", " ")
, ("postfix/mailname", "string", hn)
]
-- | Sets up a file by running a property (which the filename is passed
-- to). If the setup property makes a change, postmap will be run on the
-- file, and postfix will be reloaded.
mappedFile :: FilePath -> (FilePath -> Property) -> Property
mappedFile f setup = setup f
`onChange` cmdProperty postmap [postmap]
where
postmap = "postmap " ++ f
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