git-annex/Command/TestRemote.hs
Joey Hess 952664641a
turn of PackageImports in cabal file
This makes it easier to build eg benchmarks of individual modules.

May be that most of these PackageImports are not really necessary,
dunno.
2022-02-25 13:16:36 -04:00

458 lines
16 KiB
Haskell

{- git-annex command
-
- Copyright 2014-2020 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU AGPL version 3 or higher.
-}
{-# LANGUAGE RankNTypes, DeriveFunctor, PackageImports #-}
module Command.TestRemote where
import Command
import qualified Annex
import qualified Remote
import qualified Types.Remote as Remote
import qualified Types.Backend
import Types.KeySource
import Annex.Content
import Annex.WorkTree
import Backend
import Logs.Location
import qualified Backend.Hash
import Utility.Tmp
import Utility.Metered
import Utility.DataUnits
import Utility.CopyFile
import Types.Messages
import Types.Export
import Types.RemoteConfig
import Types.ProposedAccepted
import Annex.SpecialRemote.Config (exportTreeField)
import Remote.Helper.Chunked
import Remote.Helper.Encryptable (encryptionField, highRandomQualityField)
import Git.Types
import Test.Tasty
import Test.Tasty.Runners
import Test.Tasty.HUnit
import "crypto-api" Crypto.Random
import qualified Data.ByteString as B
import qualified Data.ByteString.Lazy as L
import qualified Data.Map as M
import Data.Either
import Control.Concurrent.STM hiding (check)
cmd :: Command
cmd = command "testremote" SectionTesting
"test transfers to/from a remote"
paramRemote (seek <$$> optParser)
data TestRemoteOptions = TestRemoteOptions
{ testRemote :: RemoteName
, sizeOption :: ByteSize
, testReadonlyFile :: [FilePath]
}
optParser :: CmdParamsDesc -> Parser TestRemoteOptions
optParser desc = TestRemoteOptions
<$> argument str ( metavar desc )
<*> option (str >>= maybe (fail "parse error") return . readSize dataUnits)
( long "size" <> metavar paramSize
<> value (1024 * 1024)
<> help "base key size (default 1MiB)"
)
<*> many testreadonly
where
testreadonly = option str
( long "test-readonly" <> metavar paramFile
<> help "readonly test object"
)
seek :: TestRemoteOptions -> CommandSeek
seek = commandAction . start
start :: TestRemoteOptions -> CommandStart
start o = starting "testremote" (ActionItemOther (Just (testRemote o))) si $ do
fast <- Annex.getState Annex.fast
cache <- liftIO newRemoteVariantCache
r <- either giveup (disableExportTree cache)
=<< Remote.byName' (testRemote o)
ks <- case testReadonlyFile o of
[] -> if Remote.readonly r
then giveup "This remote is readonly, so you need to use the --test-readonly option."
else do
showAction "generating test keys"
mapM randKey (keySizes basesz fast)
fs -> mapM (getReadonlyKey r) fs
let r' = if null (testReadonlyFile o)
then r
else r { Remote.readonly = True }
let drs = if Remote.readonly r'
then [Described "remote" (pure (Just r'))]
else remoteVariants cache (Described "remote" (pure r')) basesz fast
unavailr <- Remote.mkUnavailable r'
let exportr = if Remote.readonly r'
then return Nothing
else exportTreeVariant cache r'
perform drs unavailr exportr ks
where
basesz = fromInteger $ sizeOption o
si = SeekInput [testRemote o]
perform :: [Described (Annex (Maybe Remote))] -> Maybe Remote -> Annex (Maybe Remote) -> [Key] -> CommandPerform
perform drs unavailr exportr ks = do
st <- liftIO . newTVarIO =<< (,)
<$> Annex.getState id
<*> Annex.getRead id
let tests = testGroup "Remote Tests" $ mkTestTrees
(runTestCase st)
drs
(pure unavailr)
exportr
(map (\k -> Described (desck k) (pure k)) ks)
ok <- case tryIngredients [consoleTestReporter] mempty tests of
Nothing -> error "No tests found!?"
Just act -> liftIO act
rs <- catMaybes <$> mapM getVal drs
next $ cleanup rs ks ok
where
desck k = unwords [ "key size", show (fromKey keySize k) ]
remoteVariants :: RemoteVariantCache -> Described (Annex Remote) -> Int -> Bool -> [Described (Annex (Maybe Remote))]
remoteVariants cache dr basesz fast =
concatMap (encryptionVariants cache) $
map chunkvariant (chunkSizes basesz fast)
where
chunkvariant sz = Described (getDesc dr ++ " chunksize=" ++ show sz) $ do
r <- getVal dr
adjustChunkSize cache r sz
adjustChunkSize :: RemoteVariantCache -> Remote -> Int -> Annex (Maybe Remote)
adjustChunkSize cache r chunksize = adjustRemoteConfig cache r $
M.insert chunkField (Proposed (show chunksize))
-- Variants of a remote with no encryption, and with simple shared
-- encryption. Gpg key based encryption is not tested.
encryptionVariants :: RemoteVariantCache -> Described (Annex (Maybe Remote)) -> [Described (Annex (Maybe Remote))]
encryptionVariants cache dr = [noenc, sharedenc]
where
noenc = Described (getDesc dr ++ " encryption=none") $
getVal dr >>= \case
Nothing -> return Nothing
Just r -> adjustRemoteConfig cache r $
M.insert encryptionField (Proposed "none")
sharedenc = Described (getDesc dr ++ " encryption=shared") $
getVal dr >>= \case
Nothing -> return Nothing
Just r -> adjustRemoteConfig cache r $
M.insert encryptionField (Proposed "shared") .
M.insert highRandomQualityField (Proposed "false")
-- Variant of a remote with exporttree disabled.
disableExportTree :: RemoteVariantCache -> Remote -> Annex Remote
disableExportTree cache r = maybe (error "failed disabling exportree") return
=<< adjustRemoteConfig cache r (M.delete exportTreeField)
-- Variant of a remote with exporttree enabled.
exportTreeVariant :: RemoteVariantCache -> Remote -> Annex (Maybe Remote)
exportTreeVariant cache r = ifM (Remote.isExportSupported r)
( adjustRemoteConfig cache r $
M.insert encryptionField (Proposed "none") .
M.insert exportTreeField (Proposed "yes")
, return Nothing
)
-- The Annex wrapper is used by Test; it should return the same TMVar
-- each time run.
type RemoteVariantCache = Annex (TVar (M.Map RemoteConfig Remote))
newRemoteVariantCache :: IO RemoteVariantCache
newRemoteVariantCache = newTVarIO M.empty >>= return . pure
-- Regenerate a remote with a modified config.
adjustRemoteConfig :: RemoteVariantCache -> Remote -> (Remote.RemoteConfig -> Remote.RemoteConfig) -> Annex (Maybe Remote)
adjustRemoteConfig getcache r adjustconfig = do
cache <- getcache
m <- liftIO $ atomically $ readTVar cache
let ParsedRemoteConfig _ origc = Remote.config r
let newc = adjustconfig origc
case M.lookup newc m of
Just r' -> return (Just r')
Nothing -> do
repo <- Remote.getRepo r
v <- Remote.generate (Remote.remotetype r)
repo
(Remote.uuid r)
newc
(Remote.gitconfig r)
(Remote.remoteStateHandle r)
case v of
Just r' -> liftIO $ atomically $
modifyTVar' cache $ M.insert newc r'
Nothing -> return ()
return v
data Described t = Described
{ getDesc :: String
, getVal :: t
} deriving Functor
type RunAnnex = forall a. Annex a -> IO a
runTestCase :: TVar (Annex.AnnexState, Annex.AnnexRead) -> RunAnnex
runTestCase stv a = do
st <- atomically $ readTVar stv
(r, st') <- Annex.run st $ do
Annex.setOutput QuietOutput
a
atomically $ writeTVar stv st'
return r
-- Note that the same remotes and keys should be produced each time
-- the provided actions are called.
mkTestTrees
:: RunAnnex
-> [Described (Annex (Maybe Remote))]
-> Annex (Maybe Remote)
-> Annex (Maybe Remote)
-> [Described (Annex Key)]
-> [TestTree]
mkTestTrees runannex mkrs mkunavailr mkexportr mkks = concat $
[ [ testGroup "unavailable remote" (testUnavailable runannex mkunavailr (getVal (Prelude.head mkks))) ]
, [ testGroup (desc mkr mkk) (test runannex (getVal mkr) (getVal mkk)) | mkk <- mkks, mkr <- mkrs ]
, [ testGroup (descexport mkk1 mkk2) (testExportTree runannex mkexportr (getVal mkk1) (getVal mkk2)) | mkk1 <- take 2 mkks, mkk2 <- take 2 (reverse mkks) ]
]
where
desc r k = intercalate "; " $ map unwords
[ [ getDesc k ]
, [ getDesc r ]
]
descexport k1 k2 = intercalate "; " $ map unwords
[ [ "exporttree=yes" ]
, [ getDesc k1 ]
, [ getDesc k2 ]
]
test :: RunAnnex -> Annex (Maybe Remote) -> Annex Key -> [TestTree]
test runannex mkr mkk =
[ check "removeKey when not present" $ \r k ->
whenwritable r $ runBool (remove r k)
, check ("present " ++ show False) $ \r k ->
whenwritable r $ present r k False
, check "storeKey" $ \r k ->
whenwritable r $ runBool (store r k)
, check ("present " ++ show True) $ \r k ->
whenwritable r $ present r k True
, check "storeKey when already present" $ \r k ->
whenwritable r $ runBool (store r k)
, check ("present " ++ show True) $ \r k -> present r k True
, check "retrieveKeyFile" $ \r k -> do
lockContentForRemoval k noop removeAnnex
get r k
, check "fsck downloaded object" fsck
, check "retrieveKeyFile resume from 0" $ \r k -> do
tmp <- fromRawFilePath <$> prepTmp k
liftIO $ writeFile tmp ""
lockContentForRemoval k noop removeAnnex
get r k
, check "fsck downloaded object" fsck
, check "retrieveKeyFile resume from 33%" $ \r k -> do
loc <- fromRawFilePath <$> Annex.calcRepo (gitAnnexLocation k)
tmp <- fromRawFilePath <$> prepTmp k
partial <- liftIO $ bracket (openBinaryFile loc ReadMode) hClose $ \h -> do
sz <- hFileSize h
L.hGet h $ fromInteger $ sz `div` 3
liftIO $ L.writeFile tmp partial
lockContentForRemoval k noop removeAnnex
get r k
, check "fsck downloaded object" fsck
, check "retrieveKeyFile resume from end" $ \r k -> do
loc <- fromRawFilePath <$> Annex.calcRepo (gitAnnexLocation k)
tmp <- fromRawFilePath <$> prepTmp k
void $ liftIO $ copyFileExternal CopyAllMetaData loc tmp
lockContentForRemoval k noop removeAnnex
get r k
, check "fsck downloaded object" fsck
, check "removeKey when present" $ \r k ->
whenwritable r $ runBool (remove r k)
, check ("present " ++ show False) $ \r k ->
whenwritable r $ present r k False
]
where
whenwritable r a
| Remote.readonly r = return True
| otherwise = a
check desc a = testCase desc $ do
let a' = mkr >>= \case
Just r -> do
k <- mkk
a r k
Nothing -> return True
runannex a' @? "failed"
present r k b = (== Right b) <$> Remote.hasKey r k
fsck _ k = maybeLookupBackendVariety (fromKey keyVariety k) >>= \case
Nothing -> return True
Just b -> case Types.Backend.verifyKeyContent b of
Nothing -> return True
Just verifier -> verifier k (serializeKey' k)
get r k = logStatusAfter k $ getViaTmp (Remote.retrievalSecurityPolicy r) (RemoteVerify r) k (AssociatedFile Nothing) $ \dest ->
tryNonAsync (Remote.retrieveKeyFile r k (AssociatedFile Nothing) (fromRawFilePath dest) nullMeterUpdate (RemoteVerify r)) >>= \case
Right v -> return (True, v)
Left _ -> return (False, UnVerified)
store r k = Remote.storeKey r k (AssociatedFile Nothing) nullMeterUpdate
remove r k = Remote.removeKey r k
testExportTree :: RunAnnex -> Annex (Maybe Remote) -> Annex Key -> Annex Key -> [TestTree]
testExportTree runannex mkr mkk1 mkk2 =
[ check "check present export when not present" $ \ea k1 _k2 ->
not <$> checkpresentexport ea k1
, check "remove export when not present" $ \ea k1 _k2 ->
runBool (removeexport ea k1)
, check "store export" $ \ea k1 _k2 ->
runBool (storeexport ea k1)
, check "check present export after store" $ \ea k1 _k2 ->
checkpresentexport ea k1
, check "store export when already present" $ \ea k1 _k2 ->
runBool (storeexport ea k1)
, check "retrieve export" $ \ea k1 _k2 ->
retrieveexport ea k1
, check "store new content to export" $ \ea _k1 k2 ->
runBool (storeexport ea k2)
, check "check present export after store of new content" $ \ea _k1 k2 ->
checkpresentexport ea k2
, check "retrieve export new content" $ \ea _k1 k2 ->
retrieveexport ea k2
, check "remove export" $ \ea _k1 k2 ->
runBool (removeexport ea k2)
, check "check present export after remove" $ \ea _k1 k2 ->
not <$> checkpresentexport ea k2
, check "retrieve export fails after removal" $ \ea _k1 k2 ->
not <$> retrieveexport ea k2
, check "remove export directory" $ \ea _k1 _k2 ->
runBool (removeexportdirectory ea)
, check "remove export directory that is already removed" $ \ea _k1 _k2 ->
runBool (removeexportdirectory ea)
-- renames are not tested because remotes do not need to support them
]
where
testexportdirectory = "testremote-export"
testexportlocation = mkExportLocation (toRawFilePath (testexportdirectory </> "location"))
check desc a = testCase desc $ do
let a' = mkr >>= \case
Just r -> do
let ea = Remote.exportActions r
k1 <- mkk1
k2 <- mkk2
a ea k1 k2
Nothing -> return True
runannex a' @? "failed"
storeexport ea k = do
loc <- fromRawFilePath <$> Annex.calcRepo (gitAnnexLocation k)
Remote.storeExport ea loc k testexportlocation nullMeterUpdate
retrieveexport ea k = withTmpFile "exported" $ \tmp h -> do
liftIO $ hClose h
tryNonAsync (Remote.retrieveExport ea k testexportlocation tmp nullMeterUpdate) >>= \case
Left _ -> return False
Right () -> verifyKeyContentPostRetrieval RetrievalAllKeysSecure AlwaysVerify UnVerified k (toRawFilePath tmp)
checkpresentexport ea k = Remote.checkPresentExport ea k testexportlocation
removeexport ea k = Remote.removeExport ea k testexportlocation
removeexportdirectory ea = case Remote.removeExportDirectory ea of
Just a -> a (mkExportDirectory (toRawFilePath testexportdirectory))
Nothing -> noop
testUnavailable :: RunAnnex -> Annex (Maybe Remote) -> Annex Key -> [TestTree]
testUnavailable runannex mkr mkk =
[ check isLeft "removeKey" $ \r k ->
Remote.removeKey r k
, check isLeft "storeKey" $ \r k ->
Remote.storeKey r k (AssociatedFile Nothing) nullMeterUpdate
, check (`notElem` [Right True, Right False]) "checkPresent" $ \r k ->
Remote.checkPresent r k
, check (== Right False) "retrieveKeyFile" $ \r k ->
logStatusAfter k $ getViaTmp (Remote.retrievalSecurityPolicy r) (RemoteVerify r) k (AssociatedFile Nothing) $ \dest ->
tryNonAsync (Remote.retrieveKeyFile r k (AssociatedFile Nothing) (fromRawFilePath dest) nullMeterUpdate (RemoteVerify r)) >>= \case
Right v -> return (True, v)
Left _ -> return (False, UnVerified)
, check (== Right False) "retrieveKeyFileCheap" $ \r k -> case Remote.retrieveKeyFileCheap r of
Nothing -> return False
Just a -> logStatusAfter k $ getViaTmp (Remote.retrievalSecurityPolicy r) (RemoteVerify r) k (AssociatedFile Nothing) $ \dest ->
unVerified $ isRight
<$> tryNonAsync (a k (AssociatedFile Nothing) (fromRawFilePath dest))
]
where
check checkval desc a = testCase desc $
join $ runannex $ mkr >>= \case
Just r -> do
k <- mkk
v <- either (Left . show) Right
<$> tryNonAsync (a r k)
return $ checkval v
@? ("(got: " ++ show v ++ ")")
Nothing -> return noop
cleanup :: [Remote] -> [Key] -> Bool -> CommandCleanup
cleanup rs ks ok
| all Remote.readonly rs = return ok
| otherwise = do
forM_ rs $ \r -> forM_ ks (Remote.removeKey r)
forM_ ks $ \k -> lockContentForRemoval k noop removeAnnex
return ok
chunkSizes :: Int -> Bool -> [Int]
chunkSizes base False =
[ 0 -- no chunking
, base `div` 100
, base `div` 1000
, base
]
chunkSizes _ True =
[ 0
]
keySizes :: Int -> Bool -> [Int]
keySizes base fast = filter want
[ 0 -- empty key is a special case when chunking
, base
, base + 1
, base - 1
, base * 2
]
where
want sz
| fast = sz <= base && sz > 0
| otherwise = sz > 0
randKey :: Int -> Annex Key
randKey sz = withTmpFile "randkey" $ \f h -> do
gen <- liftIO (newGenIO :: IO SystemRandom)
case genBytes sz gen of
Left e -> giveup $ "failed to generate random key: " ++ show e
Right (rand, _) -> liftIO $ B.hPut h rand
liftIO $ hClose h
let ks = KeySource
{ keyFilename = toRawFilePath f
, contentLocation = toRawFilePath f
, inodeCache = Nothing
}
k <- case Types.Backend.genKey Backend.Hash.testKeyBackend of
Just a -> a ks nullMeterUpdate
Nothing -> giveup "failed to generate random key (backend problem)"
_ <- moveAnnex k (AssociatedFile Nothing) (toRawFilePath f)
return k
getReadonlyKey :: Remote -> FilePath -> Annex Key
getReadonlyKey r f = lookupKey (toRawFilePath f) >>= \case
Nothing -> giveup $ f ++ " is not an annexed file"
Just k -> do
unlessM (inAnnex k) $
giveup $ f ++ " does not have its content locally present, cannot test it"
unlessM ((Remote.uuid r `elem`) <$> loggedLocations k) $
giveup $ f ++ " is not stored in the remote being tested, cannot test it"
return k
runBool :: Monad m => m () -> m Bool
runBool a = do
a
return True