propellor/Propellor/Property/Apache.hs

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module Propellor.Property.Apache where
import Propellor
import qualified Propellor.Property.File as File
import qualified Propellor.Property.Apt as Apt
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import qualified Propellor.Property.Service as Service
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type ConfigFile = [String]
siteEnabled :: HostName -> ConfigFile -> RevertableProperty
siteEnabled hn cf = RevertableProperty enable disable
where
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enable = cmdProperty "a2ensite" ["--quiet", hn]
`requires` siteAvailable hn cf
`requires` installed
`onChange` reloaded
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disable = File.notPresent (siteCfg hn)
`onChange` cmdProperty "a2dissite" ["--quiet", hn]
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`requires` installed
`onChange` reloaded
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siteAvailable :: HostName -> ConfigFile -> Property
siteAvailable hn cf = siteCfg hn `File.hasContent` (comment:cf)
`describe` ("apache site available " ++ hn)
where
comment = "# deployed with propellor, do not modify"
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modEnabled :: String -> RevertableProperty
modEnabled modname = RevertableProperty enable disable
where
enable = cmdProperty "a2enmod" ["--quiet", modname]
`requires` installed
`onChange` reloaded
disable = cmdProperty "a2dismod" ["--quiet", modname]
`requires` installed
`onChange` reloaded
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siteCfg :: HostName -> FilePath
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siteCfg hn = "/etc/apache2/sites-available/" ++ hn
installed :: Property
installed = Apt.installed ["apache2"]
restarted :: Property
restarted = cmdProperty "service" ["apache2", "restart"]
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reloaded :: Property
reloaded = Service.reloaded "apache2"