Safe Haskell	Safe-Inferred
Language	Haskell2010

Ganeti.Metad.ConfigCore

Contents

The monad in which all the Metad functions execute
Basic functions in the monad
Functions available to the RPC module
The list of all functions exported to RPC.

Description

Functions of the metadata daemon exported for RPC

Synopsis

data MetadHandle = MetadHandle {
- mhInstParams :: MVar InstanceParams
}
type MetadMonadIntType = ReaderT MetadHandle IO
newtype MetadMonadInt a = MetadMonadInt {
- getMetadMonadInt :: MetadMonadIntType a
}
runMetadMonadInt :: MetadMonadInt a -> MetadHandle -> IO a
type MetadMonad = ResultT GanetiException MetadMonadInt
metadHandle :: MetadMonad MetadHandle
instParams :: MetadMonad InstanceParams
modifyInstParams :: (InstanceParams -> MetadMonad (InstanceParams, a)) -> MetadMonad a
echo :: String -> MetadMonad String
updateConfig :: JSValue -> MetadMonad ()
exportedFunctions :: [Name]

The monad in which all the Metad functions execute

data MetadHandle #

Constructors

MetadHandle
Fields mhInstParams :: MVar InstanceParams

type MetadMonadIntType = ReaderT MetadHandle IO #

A type alias for easier referring to the actual content of the monad when implementing its instances.

newtype MetadMonadInt a #

The internal part of the monad without error handling.

Constructors

MetadMonadInt
Fields getMetadMonadInt :: MetadMonadIntType a

Instances

Instances details

MonadIO MetadMonadInt #
Instance details Defined in Ganeti.Metad.ConfigCore Methods liftIO :: IO a -> MetadMonadInt a #
Applicative MetadMonadInt #
Instance details Defined in Ganeti.Metad.ConfigCore Methods pure :: a -> MetadMonadInt a (<>) :: MetadMonadInt (a -> b) -> MetadMonadInt a -> MetadMonadInt b liftA2 :: (a -> b -> c) -> MetadMonadInt a -> MetadMonadInt b -> MetadMonadInt c (>) :: MetadMonadInt a -> MetadMonadInt b -> MetadMonadInt b (<*) :: MetadMonadInt a -> MetadMonadInt b -> MetadMonadInt a
Functor MetadMonadInt #
Instance details Defined in Ganeti.Metad.ConfigCore Methods fmap :: (a -> b) -> MetadMonadInt a -> MetadMonadInt b (<$) :: a -> MetadMonadInt b -> MetadMonadInt a
Monad MetadMonadInt #
Instance details Defined in Ganeti.Metad.ConfigCore Methods (>>=) :: MetadMonadInt a -> (a -> MetadMonadInt b) -> MetadMonadInt b (>>) :: MetadMonadInt a -> MetadMonadInt b -> MetadMonadInt b return :: a -> MetadMonadInt a
MonadLog MetadMonadInt #
Instance details Defined in Ganeti.Metad.ConfigCore Methods logAt :: Priority -> String -> MetadMonadInt () #
MonadBaseControl IO MetadMonadInt #
Instance details Defined in Ganeti.Metad.ConfigCore Associated Types type StM MetadMonadInt a Methods liftBaseWith :: (RunInBase MetadMonadInt IO -> IO a) -> MetadMonadInt a restoreM :: StM MetadMonadInt a -> MetadMonadInt a
MonadBase IO MetadMonadInt #
Instance details Defined in Ganeti.Metad.ConfigCore Methods liftBase :: IO α -> MetadMonadInt α
type StM MetadMonadInt b #
Instance details Defined in Ganeti.Metad.ConfigCore type StM MetadMonadInt b = StM MetadMonadIntType b

runMetadMonadInt :: MetadMonadInt a -> MetadHandle -> IO a #

Runs the internal part of the MetadMonad monad on a given daemon handle.

type MetadMonad = ResultT GanetiException MetadMonadInt #

The complete monad with error handling.

Basic functions in the monad

metadHandle :: MetadMonad MetadHandle #

instParams :: MetadMonad InstanceParams #

modifyInstParams :: (InstanceParams -> MetadMonad (InstanceParams, a)) -> MetadMonad a #

Functions available to the RPC module

echo :: String -> MetadMonad String #

updateConfig :: JSValue -> MetadMonad () #

Update the configuration with the received instance parameters.

The list of all functions exported to RPC.

exportedFunctions :: [Name] #