api doc improvements

Propellor/Property/Apt.hs

@@ -46,12 +46,11 @@ debCdn = binandsrc "http://cdn.debian.net/debian"
 kernelOrg :: DebianSuite -> [Line]
 kernelOrg = binandsrc "http://mirrors.kernel.org/debian"
 
-{- | Makes sources.list have a standard content using the mirror CDN,
- - with a particular DebianSuite.
- -
- - Since the CDN is sometimes unreliable, also adds backup lines using
- - kernel.org.
- -}
+-- | Makes sources.list have a standard content using the mirror CDN,
+-- with a particular DebianSuite.
+--
+-- Since the CDN is sometimes unreliable, also adds backup lines using
+-- kernel.org.
 stdSourcesList :: DebianSuite -> Property
 stdSourcesList suite = setSourcesList (debCdn suite ++ kernelOrg suite)
 	`describe` ("standard sources.list for " ++ show suite)
@@ -113,7 +112,7 @@ buildDepIn dir = go `requires` installedMin ["devscripts", "equivs"]
 			noninteractiveEnv
 
 -- | Package installation may fail becuse the archive has changed.
--- Run an update in that case and retry. -}
+-- Run an update in that case and retry.
 robustly :: Property -> Property
 robustly p = Property (propertyDesc p) $ do
 	r <- ensureProperty p

Propellor/Property/Cmd.hs

@@ -41,7 +41,7 @@ scriptProperty script = cmdProperty "sh" ["-c", shellcmd]
 	shellcmd = intercalate " ; " ("set -e" : script)
 
 -- | A property that can satisfied by running a series of shell commands,
--- as user (staring in their home directory).
+-- as user (cd'd to their home directory).
 userScriptProperty :: UserName -> [String] -> Property
 userScriptProperty user script = cmdProperty "su" ["-c", shellcmd, user]
   where

Propellor/Property/File.hs

@@ -19,7 +19,7 @@ f `containsLine` l = fileProperty (f ++ " contains:" ++ l) go f
 
 -- | Ensures that a line is not present in a file.
 -- Note that the file is ensured to exist, so if it doesn't, an empty
--- file will be written. -}
+-- file will be written.
 lacksLine :: FilePath -> Line -> Property
 f `lacksLine` l = fileProperty (f ++ " remove: " ++ l) (filter (/= l)) f
 

Propellor/Property/Network.hs

@@ -23,5 +23,7 @@ ipv6to4 = fileProperty "ipv6to4" go interfaces
 		, "# End automatically added by propeller"
 		]
 
-ifUp :: String -> Property
+type Interface = String
+
+ifUp :: Interface -> Property
 ifUp iface = cmdProperty "ifup" [iface]

Propellor/Property/Ssh.hs

@@ -1,4 +1,11 @@
-module Propellor.Property.Ssh where
+module Propellor.Property.Ssh (
+	setSshdConfig,
+	permitRootLogin,
+	passwordAuthentication,
+	hasAuthorizedKeys,
+	restartSshd,
+	uniqueHostKeys
+) where
 
 import Propellor
 import qualified Propellor.Property.File as File
@@ -38,8 +45,9 @@ hasAuthorizedKeys = go <=< homedir
 restartSshd :: Property
 restartSshd = cmdProperty "service" ["ssh", "restart"]
 
-{- | Blow away existing host keys and make new ones. Use a flag
- - file to prevent doing this more than once. -}
+-- | Blows away existing host keys and make new ones.
+-- Useful for systems installed from an image that might reuse host keys.
+-- A flag file is used to only ever do this once.
 uniqueHostKeys :: Property
 uniqueHostKeys = flagFile prop "/etc/ssh/.unique_host_keys"
 	`onChange` restartSshd

Propellor/Property/Sudo.hs

@@ -7,11 +7,8 @@ import Propellor.Property.File
 import qualified Propellor.Property.Apt as Apt
 import Propellor.Property.User
 
-{- | Allows a user to sudo. If the user has a password, sudo is configured
- - to require it. If not, NOPASSWORD is enabled for the user.
- -
- - TOOD: Full sudoers file format parse.. 
- -}
+-- | Allows a user to sudo. If the user has a password, sudo is configured
+-- to require it. If not, NOPASSWORD is enabled for the user.
 enabledFor :: UserName -> Property
 enabledFor user = Property desc go `requires` Apt.installed ["sudo"]
   where
@@ -26,6 +23,7 @@ enabledFor user = Property desc go `requires` Apt.installed ["sudo"]
 	sudoline True = sudobaseline ++ " NOPASSWD:ALL"
 	sudoline False = sudobaseline ++ " ALL"
 	wanted locked l
+		-- TOOD: Full sudoers file format parse.. 
 		| not (sudobaseline `isPrefixOf` l) = True
 		| "NOPASSWD" `isInfixOf` l = locked
 		| otherwise = True

propellor.cabal

@@ -79,13 +79,13 @@ Library
     Propellor.Property.SiteSpecific.GitHome
     Propellor.Property.SiteSpecific.JoeySites
     Propellor.Property.SiteSpecific.GitAnnexBuilder
-    Propellor.CmdLine
     Propellor.Message
     Propellor.PrivData
     Propellor.Engine
-    Propellor.SimpleSh
     Propellor.Types
   Other-Modules:
+    Propellor.CmdLine
+    Propellor.SimpleSh
     Utility.Applicative
     Utility.Data
     Utility.Directory