git-annex/Command/AddComputed.hs
Joey Hess d74d2d5d91
--json for addcomputed and recompute
Not very useful, but it does work.
2025-03-17 15:51:43 -04:00

253 lines
7.7 KiB
Haskell

{- git-annex command
-
- Copyright 2025 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU AGPL version 3 or higher.
-}
{-# LANGUAGE OverloadedStrings #-}
module Command.AddComputed where
import Command
import qualified Git
import qualified Git.Types as Git
import qualified Git.Ref as Git
import qualified Annex
import qualified Remote.Compute
import qualified Types.Remote as Remote
import Backend
import Annex.CatFile
import Annex.Content.Presence
import Annex.Ingest
import Annex.UUID
import Annex.GitShaKey
import Types.KeySource
import Types.Key
import Annex.FileMatcher
import Messages.Progress
import Logs.Location
import Logs.EquivilantKeys
import Utility.Metered
import Backend.URL (fromUrl)
import Git.FilePath
import qualified Data.Map as M
import Data.Time.Clock
cmd :: Command
cmd = notBareRepo $ withAnnexOptions [backendOption, jsonOptions] $
command "addcomputed" SectionCommon "add computed files to annex"
(paramRepeating paramExpression)
(seek <$$> optParser)
data AddComputedOptions = AddComputedOptions
{ computeParams :: CmdParams
, computeRemote :: DeferredParse Remote
, reproducible :: Maybe Reproducible
}
optParser :: CmdParamsDesc -> Parser AddComputedOptions
optParser desc = AddComputedOptions
<$> cmdParams desc
<*> (mkParseRemoteOption <$> parseToOption)
<*> parseReproducible
newtype Reproducible = Reproducible { isReproducible :: Bool }
deriving (Show, Eq)
parseReproducible :: Parser (Maybe Reproducible)
parseReproducible = r <|> unr
where
r = flag Nothing (Just (Reproducible True))
( long "reproducible"
<> short 'r'
<> help "computation is fully reproducible"
)
unr = flag Nothing (Just (Reproducible False))
( long "unreproducible"
<> short 'u'
<> help "computation is not fully reproducible"
)
seek :: AddComputedOptions -> CommandSeek
seek o = startConcurrency commandStages (seek' o)
seek' :: AddComputedOptions -> CommandSeek
seek' o = do
addunlockedmatcher <- addUnlockedMatcher
r <- getParsed (computeRemote o)
unless (Remote.Compute.isComputeRemote r) $
giveup "That is not a compute remote."
commandAction $ start o r addunlockedmatcher
start :: AddComputedOptions -> Remote -> AddUnlockedMatcher -> CommandStart
start o r = starting "addcomputed" ai si . perform o r
where
ai = ActionItemUUID (Remote.uuid r) (UnquotedString (Remote.name r))
si = SeekInput (computeParams o)
perform :: AddComputedOptions -> Remote -> AddUnlockedMatcher -> CommandPerform
perform o r addunlockedmatcher = do
program <- Remote.Compute.getComputeProgram r
repopath <- fromRepo Git.repoPath
subdir <- liftIO $ relPathDirToFile repopath (literalOsPath ".")
let state = Remote.Compute.ComputeState
{ Remote.Compute.computeParams = computeParams o ++
Remote.Compute.defaultComputeParams r
, Remote.Compute.computeInputs = mempty
, Remote.Compute.computeOutputs = mempty
, Remote.Compute.computeSubdir = subdir
}
fast <- Annex.getRead Annex.fast
Remote.Compute.runComputeProgram program state
(Remote.Compute.ImmutableState False)
(getInputContent fast)
Nothing
(go fast)
next $ return True
where
go fast = addComputed (Just "adding") r (reproducible o)
chooseBackend Just fast (Right addunlockedmatcher)
addComputed
:: Maybe StringContainingQuotedPath
-> Remote
-> Maybe Reproducible
-> (OsPath -> Annex Backend)
-> (OsPath -> Maybe OsPath)
-> Bool
-> Either Bool AddUnlockedMatcher
-> Remote.Compute.ComputeProgramResult
-> OsPath
-> NominalDiffTime
-> Annex ()
addComputed maddaction r reproducibleconfig choosebackend destfile fast addunlockedmatcher result tmpdir ts = do
when (M.null outputs) $
giveup "The computation succeeded, but it did not generate any files."
oks <- forM (M.keys outputs) $ \outputfile -> do
case maddaction of
Just addaction -> showAction $
addaction <> " " <> QuotedPath outputfile
Nothing -> noop
k <- catchNonAsync (addfile outputfile)
(\err -> giveup $ "Failed to ingest output file " ++ fromOsPath outputfile ++ ": " ++ show err)
return (outputfile, Just k)
let state' = state
{ Remote.Compute.computeOutputs = M.fromList oks
}
forM_ (mapMaybe snd oks) $ \k -> do
Remote.Compute.setComputeState
(Remote.remoteStateHandle r)
k ts state'
let u = Remote.uuid r
unlessM (elem u <$> loggedLocations k) $
logChange NoLiveUpdate k u InfoPresent
where
state = Remote.Compute.computeState result
outputs = Remote.Compute.computeOutputs state
addfile outputfile
| fast = do
case destfile outputfile of
Nothing -> noop
Just f -> addSymlink f stateurlk Nothing
return stateurlk
| isreproducible = do
sz <- liftIO $ getFileSize outputfile'
metered Nothing sz Nothing $ \_ p ->
case destfile outputfile of
Just f -> ingesthelper f p Nothing
Nothing -> genkey outputfile p
| otherwise = case destfile outputfile of
Just f -> ingesthelper f nullMeterUpdate
(Just stateurlk)
Nothing -> return stateurlk
where
stateurl = Remote.Compute.computeStateUrl r state outputfile
stateurlk = fromUrl stateurl Nothing True
outputfile' = tmpdir </> outputfile
genkey f p = do
backend <- choosebackend outputfile
let ks = KeySource
{ keyFilename = f
, contentLocation = outputfile'
, inodeCache = Nothing
}
fst <$> genKey ks p backend
ingesthelper f p mk = ingestwith $ do
k <- maybe (genkey f p) return mk
topf <- inRepo $ toTopFilePath f
let fi = FileInfo
{ contentFile = outputfile'
, matchFile = getTopFilePath topf
, matchKey = Just k
}
lockingfile <- case addunlockedmatcher of
Right addunlockedmatcher' ->
not <$> addUnlocked addunlockedmatcher'
(MatchingFile fi)
(not fast)
Left v -> pure v
let ldc = LockDownConfig
{ lockingFile = lockingfile
, hardlinkFileTmpDir = Nothing
, checkWritePerms = True
}
liftIO $ createDirectoryIfMissing True $
takeDirectory f
liftIO $ moveFile outputfile' f
let ks = KeySource
{ keyFilename = f
, contentLocation = f
, inodeCache = Nothing
}
let ld = LockedDown ldc ks
ingestAdd' p (Just ld) (Just k)
ingestwith a = a >>= \case
Nothing -> giveup "ingestion failed"
Just k -> do
u <- getUUID
unlessM (elem u <$> loggedLocations k) $
logStatus NoLiveUpdate k InfoPresent
when (fromKey keyVariety k == VURLKey) $ do
hb <- hashBackend
void $ addEquivilantKey hb k
=<< calcRepo (gitAnnexLocation k)
return k
isreproducible = case reproducibleconfig of
Just v -> isReproducible v
Nothing -> Remote.Compute.computeReproducible result
getInputContent :: Bool -> OsPath -> Bool -> Annex (Key, Maybe (Either Git.Sha OsPath))
getInputContent fast p required = catKeyFile p >>= \case
Just inputkey -> getInputContent' fast inputkey required filedesc
Nothing -> inRepo (Git.fileRef p) >>= \case
Just fileref -> catObjectMetaData fileref >>= \case
Just (sha, _, t)
| t == Git.BlobObject ->
getInputContent' fast (gitShaKey sha) required filedesc
| otherwise ->
badinput $ ", not a git " ++ decodeBS (Git.fmtObjectType t)
Nothing -> notcheckedin
Nothing -> notcheckedin
where
filedesc = fromOsPath p
badinput s = giveup $ "The computation needs an input file " ++ s ++ ": " ++ fromOsPath p
notcheckedin = badinput "that is not checked into the git repository"
getInputContent' :: Bool -> Key -> Bool -> String -> Annex (Key, Maybe (Either Git.Sha OsPath))
getInputContent' fast inputkey required filedesc
| fast && not required = return (inputkey, Nothing)
| otherwise = case keyGitSha inputkey of
Nothing -> ifM (inAnnex inputkey)
( do
obj <- calcRepo (gitAnnexLocation inputkey)
return (inputkey, Just (Right obj))
, giveup $ "The computation needs the content of an annexed file which is not present: " ++ filedesc
)
Just sha -> return (inputkey, Just (Left sha))