{-# LANGUAGE GADTs #-}
{-# LANGUAGE LambdaCase #-}
{-# LANGUAGE RecordWildCards #-}
module Main where
import Control.Lens
import Control.Monad (forM_, unless, (>=>))
import Control.Monad.Trans.Except
import qualified Data.Aeson as Aeson
import qualified Data.ByteString.Lazy.Char8 as BS
import qualified Data.Either.Strict as S
import qualified Data.HashMap.Strict as HM
import Data.List (foldl')
import Data.Monoid
import qualified Data.Text as T
import qualified Data.Vector as V
import qualified Data.Version (showVersion)
import Network.HTTP.Client
import Options.Applicative as O
import qualified Paths_language_puppet
import Servant.Common.BaseUrl
import System.Exit (exitFailure)
import Facter
import Puppet.Interpreter.Types
import PuppetDB.Common
import PuppetDB.Remote
import PuppetDB.TestDB
data Options = Options { _pdbloc :: Maybe FilePath
, _pdbtype :: PDBType
, _pdbcmd :: Maybe Command
, _pdbversion :: Bool
}
data Command = DumpFacts
| DumpFact T.Text
| DumpNodes
| EditFact T.Text T.Text
| DeactivateNode T.Text
| DumpResources T.Text
| CreateTestDB FilePath
| AddFacts T.Text
options :: Parser Options
options = Options
<$> optional (strOption
( long "location"
<> short 'l'
<> metavar "FILE|URL"
<> help "Location of the PuppetDB, a file for type 'test' or an URL for type 'remote'"))
<*> option auto
( long "pdbtype"
<> short 't'
<> value PDBTest
<> help "PuppetDB types : test, remote, dummy")
<*> optional cmd
<*> switch
( long "version"
<> help "Output version information and exit")
where
cmd = subparser ( command "resources" (info resourcesparser (progDesc "Output resources for one node" <> failureCode 5))
<> command "facts" (info factparser (progDesc "Output facts for one node" <> failureCode 12 ))
<> command "nodes" (info (pure DumpNodes)(progDesc "Output all nodes" <> failureCode 8))
<> command "dumpfacts" (info (pure DumpFacts)(progDesc "Dump all facts, store in /tmp/allfacts.yaml" <> failureCode 4))
<> command "snapshot" (info createtestdb (progDesc "Create a test DB from the current DB" <> failureCode 10))
<> command "delnode" (info delnodeparser (progDesc "Deactivate node" <> failureCode 6))
<> command "editfact" (info factedit (progDesc "Edit a fact corresponding to a node" <> failureCode 7 ))
<> command "addfacts" (info addfacts (progDesc "Adds facts to the test DB for the given node name, if they are not already defined" <> failureCode 11))
)
factedit :: Parser Command
factedit = EditFact <$> O.argument auto mempty <*> O.argument auto mempty
factparser :: Parser Command
factparser = DumpFact <$> fmap T.pack (O.strArgument (metavar "NODE"))
resourcesparser :: Parser Command
resourcesparser = DumpResources <$> fmap T.pack (O.strArgument (metavar "NODE"))
delnodeparser :: Parser Command
delnodeparser = DeactivateNode <$> O.argument auto mempty
createtestdb :: Parser Command
createtestdb = CreateTestDB <$> O.argument str (metavar "FILE")
addfacts :: Parser Command
addfacts = AddFacts <$> O.argument auto mempty
display :: (Show r, Aeson.ToJSON a) => String -> Either r a -> IO ()
display s (Left rr) = error (s <> " " <> show rr)
display _ (Right a) = BS.putStrLn (Aeson.encode a)
checkErrorS :: (Show r) => String -> S.Either r a -> IO a
checkErrorS s (S.Left rr) = error (s <> " " <> show rr)
checkErrorS _ (S.Right a) = return a
checkError :: (Show r) => String -> Either r a -> IO a
checkError s (Left rr) = error (s <> " " <> show rr)
checkError _ (Right a) = return a
runCheck :: Show r => String -> ExceptT r IO a -> IO a
runCheck s = runExceptT >=> checkError s
showHelpText :: ParserPrefs -> ParserInfo a -> IO ()
showHelpText pprefs pinfo = handleParseResult . Failure $
parserFailure pprefs pinfo ShowHelpText mempty
run :: Options -> IO ()
run Options {_pdbversion = False, _pdbcmd = Nothing} =
putStrLn "Please provide one of the available command (see --help for more information) " *> exitFailure
run Options {_pdbversion = True, ..} = putStrLn ("language-puppet " ++ Data.Version.showVersion Paths_language_puppet.version)
run Options{_pdbcmd = Just pdbcmd, ..} = do
mgr <- newManager defaultManagerSettings
epdbapi <- case (_pdbloc, _pdbtype) of
(Just l, PDBRemote) -> pdbConnect mgr $ either (error . show) id $ parseBaseUrl l
(Just l, PDBTest) -> loadTestDB l
(_, x) -> getDefaultDB x
pdbapi <- case epdbapi of
Left r -> error (show r)
Right x -> return x
case pdbcmd of
DumpFacts -> if _pdbtype == PDBDummy
then puppetDBFacts "dummy" pdbapi >>= mapM_ print . HM.toList
else do
allfacts <- runCheck "get facts" (getFacts pdbapi QEmpty)
tmpdb <- loadTestDB "/tmp/allfacts.yaml" >>= checkError "load test db"
let groupfacts = foldl' groupfact HM.empty allfacts
groupfact curmap (FactInfo ndname fctname fctval) =
curmap & at ndname . non HM.empty %~ (at fctname ?~ fctval)
runCheck "replace facts in dummy db" (replaceFacts tmpdb (HM.toList groupfacts))
runCheck "commit db" (commitDB tmpdb)
DumpFact n -> runExceptT (getFacts pdbapi (QEqual FCertname n ) ) >>= display "dump fact"
DumpNodes -> runExceptT (getNodes pdbapi QEmpty) >>= display "dump nodes"
DumpResources n -> runExceptT (getResourcesOfNode pdbapi n QEmpty) >>= display "get resources"
AddFacts n -> do
unless (_pdbtype == PDBTest) (error "This option only works with the test puppetdb")
fcts <- puppetDBFacts n pdbapi
runCheck "replace facts" (replaceFacts pdbapi [(n, fcts)])
runCheck "commit db" (commitDB pdbapi)
CreateTestDB destfile -> do
ndb <- loadTestDB destfile >>= checkError "puppetdb load"
allnodes <- runCheck "get nodes" (getNodes pdbapi QEmpty)
allfacts <- runCheck "get facts" (getFacts pdbapi QEmpty)
let factsGrouped = HM.toList $ HM.fromListWith (<>) $ map (\x -> (x ^. factInfoNodename, HM.singleton (x ^. factInfoName) (x ^. factInfoVal))) allfacts
runCheck "replace facts" (replaceFacts ndb factsGrouped)
forM_ allnodes $ \pnodename -> do
let ndename = pnodename ^. nodeInfoName
res <- runCheck ("get resources for " ++ show ndename) (getResourcesOfNode pdbapi ndename QEmpty)
let wirecatalog = WireCatalog ndename "version" V.empty (V.fromList res) ndename
runCheck "replace catalog" (replaceCatalog ndb wirecatalog)
runCheck "commit db" (commitDB ndb)
_ -> error "Not yet implemented"
main :: IO ()
main = execParser opts >>= run
where
opts :: ParserInfo Options
opts = info (helper <*> options)
(fullDesc
<> progDesc "A program to work with PuppetDB implementations"
<> header "pdbQuery - work with PuppetDB implementations"
<> failureCode 3)