add debootstrap parameters

config-joey.hs

@@ -86,12 +86,12 @@ clam = standardSystem "clam.kitenet.net" Unstable "amd64"
 	& Systemd.nspawned meow
 	
 meow :: Systemd.Container
-meow = Systemd.container "meow" (System (Debian Unstable) "amd64")
+meow = Systemd.container "meow" (Chroot.debootstrapped (System (Debian Unstable) "amd64") mempty)
 	& Apt.serviceInstalledRunning "uptimed"
 	& alias "meow.kitenet.net"
 	
 testChroot :: Chroot.Chroot
-testChroot = Chroot.chroot "/tmp/chroot" (System (Debian Unstable) "amd64")
+testChroot = Chroot.debootstrapped (System (Debian Unstable) "amd64") mempty "/tmp/chroot"
 	& File.hasContent "/foo" ["hello"]
 
 orca :: Host

src/Propellor/Property/Chroot.hs

@@ -1,6 +1,6 @@
 module Propellor.Property.Chroot (
 	Chroot(..),
-	chroot,
+	debootstrapped,
 	provisioned,
 	-- * Internal use
 	provisioned',
@@ -18,23 +18,33 @@ import qualified Data.Map as M
 import Data.List.Utils
 import System.Posix.Directory
 
-data Chroot = Chroot FilePath System Host
+data Chroot = Chroot FilePath System BuilderConf Host
+	deriving (Show)
+
+data BuilderConf
+	= UsingDeboostrap Debootstrap.DebootstrapConfig
 	deriving (Show)
 
 instance Hostlike Chroot where
-	(Chroot l s h) & p = Chroot l s (h & p)
-	(Chroot l s h) &^ p = Chroot l s (h &^ p)
-	getHost (Chroot _ _ h) = h
+	(Chroot l s c h) & p = Chroot l s c (h & p)
+	(Chroot l s c h) &^ p = Chroot l s c (h &^ p)
+	getHost (Chroot _ _ _ h) = h
 
--- | Defines a Chroot at the given location, containing the specified
--- System. Properties can be added to configure the Chroot.
+-- | Defines a Chroot at the given location, built with debootstrap.
 --
--- > chroot "/srv/chroot/ghc-dev" (System (Debian Unstable) "amd64")
--- >    & Apt.installed ["build-essential", "ghc", "haskell-platform"]
+-- Properties can be added to configure the Chroot.
+--
+-- > debootstrapped (System (Debian Unstable) "amd64") Debootstrap.BuildD "/srv/chroot/ghc-dev"
+-- >    & Apt.installed ["ghc", "haskell-platform"]
 -- >	& ...
-chroot :: FilePath -> System -> Chroot
-chroot location system = Chroot location system (Host location [] mempty)
-	& os system
+debootstrapped :: System -> Debootstrap.DebootstrapConfig -> FilePath -> Chroot
+debootstrapped system conf location = case system of
+	(System (Debian _) _) -> mk
+	(System (Ubuntu _) _) -> mk
+  where
+	h = Host location [] mempty
+	mk = Chroot location system (UsingDeboostrap conf) h
+		& os system
 
 -- | Ensures that the chroot exists and is provisioned according to its
 -- properties.
@@ -45,7 +55,7 @@ provisioned :: Chroot -> RevertableProperty
 provisioned c = provisioned' (propigateChrootInfo c) c
 
 provisioned' :: (Property -> Property) -> Chroot -> RevertableProperty
-provisioned' propigator c@(Chroot loc system _) = RevertableProperty
+provisioned' propigator c@(Chroot loc system builderconf _) = RevertableProperty
 	(propigator $ go "exists" setup)
 	(go "removed" teardown)
   where
@@ -53,11 +63,11 @@ provisioned' propigator c@(Chroot loc system _) = RevertableProperty
 
 	setup = propellChroot c (inChrootProcess c) `requires` toProp built
 	
-	built = case system of
-		(System (Debian _) _) -> debootstrap
-		(System (Ubuntu _) _) -> debootstrap
+	built = case (system, builderconf) of
+		((System (Debian _) _), UsingDeboostrap cf) -> debootstrap cf
+		((System (Ubuntu _) _), UsingDeboostrap cf) -> debootstrap cf
 
-	debootstrap = Debootstrap.built loc system []
+	debootstrap = Debootstrap.built loc system
 
 	teardown = toProp (revert built)
 
@@ -65,12 +75,12 @@ propigateChrootInfo :: Chroot -> Property -> Property
 propigateChrootInfo c p = propigateInfo c p (<> chrootInfo c)
 
 chrootInfo :: Chroot -> Info
-chrootInfo (Chroot loc _ h) =
+chrootInfo (Chroot loc _ _ h) =
 	mempty { _chrootinfo = mempty { _chroots = M.singleton loc h } }
 
 -- | Propellor is run inside the chroot to provision it.
 propellChroot :: Chroot -> ([String] -> CreateProcess) -> Property
-propellChroot c@(Chroot loc _ _) mkproc = property (chrootDesc c "provisioned") $ do
+propellChroot c@(Chroot loc _ _ _) mkproc = property (chrootDesc c "provisioned") $ do
 	let d = localdir </> shimdir c
 	let me = localdir </> "propellor"
 	shim <- liftIO $ ifM (doesDirectoryExist d)
@@ -105,7 +115,7 @@ propellChroot c@(Chroot loc _ _) mkproc = property (chrootDesc c "provisioned")
 			processChainOutput
 
 toChain :: HostName -> Chroot -> IO CmdLine
-toChain parenthost (Chroot loc _ _) = do
+toChain parenthost (Chroot loc _ _ _) = do
 	onconsole <- isConsole <$> mkMessageHandle
 	return $ ChrootChain parenthost loc onconsole
 
@@ -124,16 +134,16 @@ chain hostlist hn loc onconsole = case findHostNoAlias hostlist hn of
 			putStrLn $ "\n" ++ show r
 
 inChrootProcess :: Chroot -> [String] -> CreateProcess
-inChrootProcess (Chroot loc _ _) cmd = proc "chroot" (loc:cmd)
+inChrootProcess (Chroot loc _ _ _) cmd = proc "chroot" (loc:cmd)
 
 provisioningLock :: FilePath -> FilePath
 provisioningLock containerloc = "chroot" </> mungeloc containerloc ++ ".lock"
 
 shimdir :: Chroot -> FilePath
-shimdir (Chroot loc _ _) = "chroot" </> mungeloc loc ++ ".shim"
+shimdir (Chroot loc _ _ _) = "chroot" </> mungeloc loc ++ ".shim"
 
 mungeloc :: FilePath -> String
 mungeloc = replace "/" "_"
 
 chrootDesc :: Chroot -> String -> String
-chrootDesc (Chroot loc _ _) desc = "chroot " ++ loc ++ " " ++ desc
+chrootDesc (Chroot loc _ _ _) desc = "chroot " ++ loc ++ " " ++ desc

src/Propellor/Property/Debootstrap.hs

@@ -1,5 +1,6 @@
 module Propellor.Property.Debootstrap (
 	Url,
+	DebootstrapConfig(..),
 	built,
 	installed,
 	programPath,
@@ -18,6 +19,27 @@ import System.Posix.Directory
 
 type Url = String
 
+-- | A monoid for debootstrap configuration. 
+-- mempty is a default debootstrapped system.
+data DebootstrapConfig
+	= DefaultConfig
+	| MinBase
+	| BuilddD
+	| DebootstrapParam String
+	| DebootstrapConfig :+ DebootstrapConfig
+	deriving (Show)
+
+instance Monoid DebootstrapConfig where
+        mempty  = DefaultConfig
+        mappend = (:+)
+
+toParams :: DebootstrapConfig -> [CommandParam]
+toParams DefaultConfig = []
+toParams MinBase = [Param "--variant=minbase"]
+toParams BuilddD = [Param "--variant=buildd"]
+toParams (DebootstrapParam p) = [Param p]
+toParams (c1 :+ c2) = toParams c1 <> toParams c2
+
 -- | Builds a chroot in the given directory using debootstrap.
 --
 -- The System can be any OS and architecture that debootstrap
@@ -28,8 +50,8 @@ type Url = String
 --
 -- Note that reverting this property does not stop any processes
 -- currently running in the chroot.
-built :: FilePath -> System -> [CommandParam] -> RevertableProperty
-built target system@(System _ arch) extraparams =
+built :: FilePath -> System -> DebootstrapConfig -> RevertableProperty
+built target system@(System _ arch) config =
 	RevertableProperty setup teardown
   where
 	setup = check (unpopulated target <||> ispartial) setupprop
@@ -44,7 +66,7 @@ built target system@(System _ arch) extraparams =
 		suite <- case extractSuite system of
 			Nothing -> errorMessage $ "don't know how to debootstrap " ++ show system
 			Just s -> pure s
-		let params = extraparams ++
+		let params = toParams config ++
 			[ Param $ "--arch=" ++ arch
 			, Param suite
 			, Param target

src/Propellor/Property/Systemd.hs

@@ -23,11 +23,11 @@ type ServiceName = String
 
 type MachineName = String
 
-data Container = Container MachineName System Host
+data Container = Container MachineName Chroot.Chroot Host
 
 instance Hostlike Container where
-        (Container n s h) & p = Container n s (h & p)
-        (Container n s h) &^ p = Container n s (h &^ p)
+        (Container n c h) & p = Container n c (h & p)
+        (Container n c h) &^ p = Container n c (h &^ p)
         getHost (Container _ _ h) = h
 
 -- dbus is only a Recommends of systemd, but is needed for communication
@@ -68,15 +68,19 @@ persistentJournal = check (not <$> doesDirectoryExist dir) $
   where
 	dir = "/var/log/journal"
 
--- | Defines a container with a given machine name, containing the specified
--- System. Properties can be added to configure the Container.
+-- | Defines a container with a given machine name.
 --
--- > container "webserver" (System (Debian Unstable) "amd64")
+-- Properties can be added to configure the Container.
+--
+-- > container "webserver" (Chroot.debootstrapped (System (Debian Unstable) "amd64") mempty)
 -- >    & Apt.installedRunning "apache2"
 -- >    & ...
-container :: MachineName -> System -> Container
-container name system = Container name system (Host name [] mempty)
+container :: MachineName -> (FilePath -> Chroot.Chroot) -> Container
+container name mkchroot = Container name c h
 	& os system
+  where
+	c@(Chroot.Chroot _ system _ _) = mkchroot (containerDir name)
+	h = Host name [] mempty
 
 -- | Runs a container using systemd-nspawn.
 --
@@ -93,7 +97,8 @@ container name system = Container name system (Host name [] mempty)
 -- Reverting this property stops the container, removes the systemd unit,
 -- and deletes the chroot and all its contents.
 nspawned :: Container -> RevertableProperty
-nspawned c@(Container name system h) = RevertableProperty setup teardown
+nspawned c@(Container name (Chroot.Chroot loc system builderconf _) h) =
+	RevertableProperty setup teardown
   where
 	setup = combineProperties ("nspawned " ++ name) $
 		map toProp steps ++ [containerprovisioned]
@@ -117,7 +122,7 @@ nspawned c@(Container name system h) = RevertableProperty setup teardown
 	containerprovisioned = Chroot.propellChroot chroot
 		(enterContainerProcess c)
 
-	mkChroot = Chroot.Chroot (containerDir name) system
+	mkChroot = Chroot.Chroot loc system builderconf
 	chroot = mkChroot h
 
 nspawnService :: Container -> RevertableProperty