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module Propellor.Property.Journald where
import Propellor.Base
import qualified Propellor.Property.Systemd as Systemd
import Utility.DataUnits
-- | Configures journald, restarting it so the changes take effect.
configured :: Systemd.Option -> String -> Property Linux
configured option value =
Systemd.configured "/etc/systemd/journald.conf" option value
`onChange` Systemd.restarted "systemd-journald"
-- The string is parsed to get a data size.
-- Examples: "100 megabytes" or "0.5tb"
type DataSize = String
configuredSize :: Systemd.Option -> DataSize -> Property Linux
configuredSize option s = case readSize dataUnits s of
Just sz -> configured option (systemdSizeUnits sz)
Nothing -> property ("unable to parse " ++ option ++ " data size " ++ s) $
return FailedChange
systemMaxUse :: DataSize -> Property Linux
systemMaxUse = configuredSize "SystemMaxUse"
runtimeMaxUse :: DataSize -> Property Linux
runtimeMaxUse = configuredSize "RuntimeMaxUse"
systemKeepFree :: DataSize -> Property Linux
systemKeepFree = configuredSize "SystemKeepFree"
runtimeKeepFree :: DataSize -> Property Linux
runtimeKeepFree = configuredSize "RuntimeKeepFree"
systemMaxFileSize :: DataSize -> Property Linux
systemMaxFileSize = configuredSize "SystemMaxFileSize"
runtimeMaxFileSize :: DataSize -> Property Linux
runtimeMaxFileSize = configuredSize "RuntimeMaxFileSize"
-- Generates size units as used in journald.conf.
systemdSizeUnits :: Integer -> String
systemdSizeUnits sz = filter (/= ' ') (roughSize cfgfileunits True sz)
where
cfgfileunits :: [Unit]
cfgfileunits =
[ Unit (p 6) "E" "exabyte"
, Unit (p 5) "P" "petabyte"
, Unit (p 4) "T" "terabyte"
, Unit (p 3) "G" "gigabyte"
, Unit (p 2) "M" "megabyte"
, Unit (p 1) "K" "kilobyte"
]
p :: Integer -> Integer
p n = 1024^n
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