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|
{- git-annex command
-
- Copyright 2014 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Command.TestRemote where
import Common
import Command
import qualified Annex
import qualified Remote
import qualified Types.Remote as Remote
import Types
import Types.Key (key2file, keyBackendName, keySize)
import Types.Backend (getKey, fsckKey)
import Types.KeySource
import Annex.Content
import Backend
import qualified Backend.Hash
import Utility.Tmp
import Utility.Metered
import Utility.DataUnits
import Utility.CopyFile
import Messages
import Types.Messages
import Remote.Helper.Chunked
import Locations
import Test.Tasty
import Test.Tasty.Runners
import Test.Tasty.HUnit
import Control.Exception
import "crypto-api" Crypto.Random
import qualified Data.ByteString as B
import qualified Data.ByteString.Lazy as L
import qualified Data.Map as M
def :: [Command]
def = [ withOptions [sizeOption] $
command "testremote" paramRemote seek SectionTesting
"test transfers to/from a remote"]
sizeOption :: Option
sizeOption = fieldOption [] "size" paramSize "base key size (default 1MiB)"
seek :: CommandSeek
seek ps = do
basesz <- fromInteger . fromMaybe (1024 * 1024)
<$> getOptionField sizeOption (pure . getsize)
withWords (start basesz) ps
where
getsize v = v >>= readSize dataUnits
start :: Int -> [String] -> CommandStart
start basesz ws = do
let name = unwords ws
showStart "testremote" name
r <- either error id <$> Remote.byName' name
showSideAction "generating test keys"
ks <- mapM randKey (keySizes basesz)
rs <- catMaybes <$> mapM (adjustChunkSize r) (chunkSizes basesz)
next $ perform rs ks
perform :: [Remote] -> [Key] -> CommandPerform
perform rs ks = do
st <- Annex.getState id
let tests = testGroup "Remote Tests" $
[ testGroup (desc r k) (test st r k) | k <- ks, r <- rs ]
ok <- case tryIngredients [consoleTestReporter] mempty tests of
Nothing -> error "No tests found!?"
Just act -> liftIO act
next $ cleanup rs ks ok
where
desc r' k = unwords
[ "key size"
, show (keySize k)
, "chunk size"
, show (chunkConfig (Remote.config r'))
]
-- To adjust a Remote to use a new chunk size, have to re-generate it with
-- a modified config.
adjustChunkSize :: Remote -> Int -> Annex (Maybe Remote)
adjustChunkSize r chunksize = Remote.generate (Remote.remotetype r)
(Remote.repo r)
(Remote.uuid r)
(M.insert "chunk" (show chunksize) (Remote.config r))
(Remote.gitconfig r)
test :: Annex.AnnexState -> Remote -> Key -> [TestTree]
test st r k =
[ check "removeKey when not present" remove
, present False
, check "storeKey" store
, present True
, check "storeKey when already present" store
, present True
, check "retrieveKeyFile" $ do
removeAnnex k
get
, check "fsck downloaded object" fsck
, check "retrieveKeyFile resume from 33%" $ do
loc <- Annex.calcRepo (gitAnnexLocation k)
tmp <- 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
removeAnnex k
get
, check "fsck downloaded object" fsck
, check "retrieveKeyFile resume from 0" $ do
tmp <- prepTmp k
liftIO $ writeFile tmp ""
removeAnnex k
get
, check "fsck downloaded object" fsck
, check "retrieveKeyFile resume from end" $ do
loc <- Annex.calcRepo (gitAnnexLocation k)
tmp <- prepTmp k
void $ liftIO $ copyFileExternal loc tmp
removeAnnex k
get
, check "fsck downloaded object" fsck
, check "removeKey when present" remove
, present False
]
where
check desc a = testCase desc $
Annex.eval st (Annex.setOutput QuietOutput >> a) @? "failed"
present b = check ("present " ++ show b) $
(== Right b) <$> Remote.hasKey r k
fsck = case maybeLookupBackendName (keyBackendName k) of
Nothing -> return True
Just b -> case fsckKey b of
Nothing -> return True
Just fscker -> fscker k (key2file k)
get = getViaTmp k $ \dest ->
Remote.retrieveKeyFile r k Nothing dest nullMeterUpdate
store = Remote.storeKey r k Nothing nullMeterUpdate
remove = Remote.removeKey r k
cleanup :: [Remote] -> [Key] -> Bool -> CommandCleanup
cleanup rs ks ok = do
forM_ rs $ \r -> forM_ ks (Remote.removeKey r)
forM_ ks removeAnnex
return ok
chunkSizes :: Int -> [Int]
chunkSizes base =
[ 0 -- no chunking
, base `div` 100
, base `div` 1000
, base
]
keySizes :: Int -> [Int]
keySizes base = filter (>= 0)
[ 0 -- empty key is a special case when chunking
, base
, base + 1
, base - 1
, base * 2
]
randKey :: Int -> Annex Key
randKey sz = withTmpFile "randkey" $ \f h -> do
gen <- liftIO (newGenIO :: IO SystemRandom)
case genBytes sz gen of
Left e -> error $ "failed to generate random key: " ++ show e
Right (rand, _) -> liftIO $ B.hPut h rand
liftIO $ hClose h
let ks = KeySource
{ keyFilename = f
, contentLocation = f
, inodeCache = Nothing
}
k <- fromMaybe (error "failed to generate random key")
<$> getKey Backend.Hash.testKeyBackend ks
moveAnnex k f
return k
|
