propellor/Propellor/Types/Attr.hs

45 lines
1.0 KiB
Haskell

module Propellor.Types.Attr where
import Propellor.Types.OS
import qualified Data.Set as S
-- | The attributes of a host. For example, its hostname.
data Attr = Attr
{ _hostname :: HostName
, _cnames :: S.Set Domain
, _os :: Maybe System
, _sshPubKey :: Maybe String
, _dockerImage :: Maybe String
, _dockerRunParams :: [HostName -> String]
}
instance Eq Attr where
x == y = and
[ _hostname x == _hostname y
, _cnames x == _cnames y
, _os x == _os y
, _sshPubKey x == _sshPubKey y
, _dockerImage x == _dockerImage y
, let simpl v = map (\a -> a "") (_dockerRunParams v)
in simpl x == simpl y
]
instance Show Attr where
show a = unlines
[ "hostname " ++ _hostname a
, "cnames " ++ show (_cnames a)
, "OS " ++ show (_os a)
, "sshPubKey " ++ show (_sshPubKey a)
, "docker image " ++ show (_dockerImage a)
, "docker run params " ++ show (map (\mk -> mk "") (_dockerRunParams a))
]
newAttr :: HostName -> Attr
newAttr hn = Attr hn S.empty Nothing Nothing Nothing []
type HostName = String
type Domain = String