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module Propellor.Types where
import Data.Monoid
import System.Console.ANSI
type HostName = String
type UserName = String
data Property = Property
{ propertyDesc :: Desc
-- | must be idempotent; may run repeatedly
, propertySatisfy :: IO Result
}
type Desc = String
data Result = NoChange | MadeChange | FailedChange
deriving (Read, Show, Eq)
instance Monoid Result where
mempty = NoChange
mappend FailedChange _ = FailedChange
mappend _ FailedChange = FailedChange
mappend MadeChange _ = MadeChange
mappend _ MadeChange = MadeChange
mappend NoChange NoChange = NoChange
class ActionResult a where
getActionResult :: a -> (String, ColorIntensity, Color)
instance ActionResult Bool where
getActionResult False = ("failed", Vivid, Red)
getActionResult True = ("ok", Dull, Green)
instance ActionResult Result where
getActionResult NoChange = ("unchanged", Dull, Green)
getActionResult MadeChange = ("done", Vivid, Green)
getActionResult FailedChange = ("failed", Vivid, Red)
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