73 lines
2.3 KiB
Haskell
Executable File
73 lines
2.3 KiB
Haskell
Executable File
#!/usr/bin/env stack
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-- stack --resolver lts-6.27 runghc --package minio-hs --package optparse-applicative --package filepath
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--
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-- Minio Haskell SDK, (C) 2017 Minio, Inc.
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--
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-- Licensed under the Apache License, Version 2.0 (the "License");
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-- you may not use this file except in compliance with the License.
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-- You may obtain a copy of the License at
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--
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-- http://www.apache.org/licenses/LICENSE-2.0
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--
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-- Unless required by applicable law or agreed to in writing, software
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-- distributed under the License is distributed on an "AS IS" BASIS,
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-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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-- See the License for the specific language governing permissions and
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-- limitations under the License.
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--
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{-# Language OverloadedStrings, ScopedTypeVariables #-}
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import Network.Minio
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import Control.Monad.Catch (catch)
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import Control.Monad.IO.Class (liftIO)
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import Options.Applicative
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import Prelude
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import System.FilePath.Posix
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import Data.Text (pack)
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-- | The following example uses minio's play server at
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-- https://play.minio.io:9000. The endpoint and associated
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-- credentials are provided via the libary constant,
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--
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-- > minioPlayCI :: ConnectInfo
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--
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-- optparse-applicative package based command-line parsing.
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fileNameOpts :: Parser FilePath
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fileNameOpts = strOption
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(long "filename"
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<> metavar "FILENAME"
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<> help "Name of file to upload to AWS S3 or a Minio server")
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cmdParser = info
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(helper <*> fileNameOpts)
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(fullDesc
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<> progDesc "FileUploader"
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<> header
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"FileUploader - a simple file-uploader program using minio-hs")
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main :: IO ()
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main = do
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let bucket = "my-bucket"
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-- Parse command line argument, namely --filename.
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filepath <- execParser cmdParser
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let object = pack $ takeBaseName filepath
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res <- runResourceT $ runMinio minioPlayCI $ do
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-- Make a bucket; catch bucket already exists exception if thrown.
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catch
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(makeBucket bucket Nothing)
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(\(_ :: MError) -> liftIO $ putStrLn "Bucket already exists, proceeding with upload file.")
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-- Upload filepath to bucket; object is derived from filepath.
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fPutObject bucket object filepath
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case res of
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Left e -> putStrLn $ "file upload failed due to " ++ (show e)
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Right () -> putStrLn "file upload succeeded."
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