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{-# LANGUAGE DeriveDataTypeable #-}
module Propellor.Types.Docker where
import Propellor.Types
import Propellor.Types.Empty
import Propellor.Types.Info
import qualified Data.Semigroup as Sem
import qualified Data.Map as M
import Data.Monoid
import Prelude
data DockerInfo = DockerInfo
{ _dockerRunParams :: [DockerRunParam]
, _dockerContainers :: M.Map String Host
}
deriving (Show, Typeable)
instance IsInfo DockerInfo where
propagateInfo _ = PropagateInfo False
instance Sem.Semigroup DockerInfo where
old <> new = DockerInfo
{ _dockerRunParams = _dockerRunParams old <> _dockerRunParams new
, _dockerContainers = M.union (_dockerContainers old) (_dockerContainers new)
}
instance Monoid DockerInfo where
mempty = DockerInfo mempty mempty
mappend = (Sem.<>)
instance Empty DockerInfo where
isEmpty i = and
[ isEmpty (_dockerRunParams i)
, isEmpty (_dockerContainers i)
]
newtype DockerRunParam = DockerRunParam (HostName -> String)
instance Show DockerRunParam where
show (DockerRunParam a) = a ""
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