43 lines
1.4 KiB
Haskell
43 lines
1.4 KiB
Haskell
{- git-annex assistant Amazon Glacier retrieval
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-
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- Copyright 2012 Joey Hess <joey@kitenet.net>
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-
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- Licensed under the GNU GPL version 3 or higher.
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-}
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{-# LANGUAGE CPP #-}
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{-# LANGUAGE OverloadedStrings #-}
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module Assistant.Threads.Glacier where
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import Assistant.Common
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import Utility.ThreadScheduler
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import qualified Types.Remote as Remote
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import qualified Remote.Glacier as Glacier
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import Logs.Transfer
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import Assistant.DaemonStatus
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import Assistant.TransferQueue
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import qualified Data.Set as S
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{- Wakes up every half hour and checks if any glacier remotes have failed
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- downloads. If so, runs glacier-cli to check if the files are now
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- available, and queues the downloads. -}
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glacierThread :: NamedThread
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glacierThread = namedThread "Glacier" $ runEvery (Seconds 3600) <~> go
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where
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isglacier r = Remote.remotetype r == Glacier.remote
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go = do
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rs <- filter isglacier . syncDataRemotes <$> getDaemonStatus
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forM_ rs $ \r ->
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check r =<< liftAnnex (getFailedTransfers $ Remote.uuid r)
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check _ [] = noop
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check r l = do
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let keys = map getkey l
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(availkeys, failedkeys) <- liftAnnex $ Glacier.jobList r keys
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let s = S.fromList (failedkeys ++ availkeys)
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let l' = filter (\p -> S.member (getkey p) s) l
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forM_ l' $ \(t, info) -> do
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liftAnnex $ removeFailedTransfer t
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queueTransferWhenSmall "object available from glacier" (associatedFile info) t r
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getkey = transferKey . fst
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