minio-hs
A MinIO Haskell Library for Amazon S3 compatible cloud storage.
https://github.com/minio/minio-hs#readme
Version on this page: | 1.5.2 |
LTS Haskell 21.25: | 1.7.0 |
Stackage Nightly 2023-06-21: | 1.7.0 |
Latest on Hackage: | 1.7.0 |
minio-hs-1.5.2@sha256:8c1576f0028ebeb17dcf6c2410d5ee64867c32d63074051a139d7ee5cf38a76d,9827
Module documentation for 1.5.2
MinIO Client SDK for Haskell
The MinIO Haskell Client SDK provides simple APIs to access MinIO and Amazon S3 compatible object storage server.
Minimum Requirements
- The Haskell stack
Installation
Add to your project
Simply add minio-hs
to your project’s .cabal
dependencies section or if you are using hpack, to your package.yaml
file as usual.
Try it out directly with ghci
From your home folder or any non-haskell project directory, just run:
stack install minio-hs
Then start an interpreter session and browse the available APIs with:
$ stack ghci
> :browse Network.Minio
Examples
The examples folder contains many examples that you can try out and use to learn and to help with developing your own projects.
Quick-Start Example - File Uploader
This example program connects to a MinIO object storage server, makes a bucket on the server and then uploads a file to the bucket.
We will use the MinIO server running at https://play.min.io in this example. Feel free to use this service for testing and development. Access credentials are present in the library and are open to the public.
FileUploader.hs
#!/usr/bin/env stack
-- stack --resolver lts-14.11 runghc --package minio-hs --package optparse-applicative --package filepath
--
-- MinIO Haskell SDK, (C) 2017-2019 MinIO, Inc.
--
-- Licensed under the Apache License, Version 2.0 (the "License");
-- you may not use this file except in compliance with the License.
-- You may obtain a copy of the License at
--
-- http://www.apache.org/licenses/LICENSE-2.0
--
-- Unless required by applicable law or agreed to in writing, software
-- distributed under the License is distributed on an "AS IS" BASIS,
-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-- See the License for the specific language governing permissions and
-- limitations under the License.
--
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE ScopedTypeVariables #-}
import Network.Minio
import Data.Monoid ((<>))
import Data.Text (pack)
import Options.Applicative
import System.FilePath.Posix
import UnliftIO (throwIO, try)
import Prelude
-- | The following example uses minio's play server at
-- https://play.min.io. The endpoint and associated
-- credentials are provided via the libary constant,
--
-- > minioPlayCI :: ConnectInfo
--
-- optparse-applicative package based command-line parsing.
fileNameArgs :: Parser FilePath
fileNameArgs = strArgument
(metavar "FILENAME"
<> help "Name of file to upload to AWS S3 or a MinIO server")
cmdParser = info
(helper <*> fileNameArgs)
(fullDesc
<> progDesc "FileUploader"
<> header
"FileUploader - a simple file-uploader program using minio-hs")
main :: IO ()
main = do
let bucket = "my-bucket"
-- Parse command line argument
filepath <- execParser cmdParser
let object = pack $ takeBaseName filepath
res <- runMinio minioPlayCI $ do
-- Make a bucket; catch bucket already exists exception if thrown.
bErr <- try $ makeBucket bucket Nothing
-- If the bucket already exists, we would get a specific
-- `ServiceErr` exception thrown.
case bErr of
Left BucketAlreadyOwnedByYou -> return ()
Left e -> throwIO e
Right _ -> return ()
-- Upload filepath to bucket; object name is derived from filepath.
fPutObject bucket object filepath defaultPutObjectOptions
case res of
Left e -> putStrLn $ "file upload failed due to " ++ show e
Right () -> putStrLn "file upload succeeded."
Run FileUploader
./FileUploader.hs "path/to/my/file"
Contribute
Development
To setup:
git clone https://github.com/minio/minio-hs.git
cd minio-hs/
stack install
Tests can be run with:
stack test
A section of the tests use the remote MinIO Play server at https://play.min.io
by default. For library development, using this remote server maybe slow. To run the tests against a locally running MinIO live server at http://localhost:9000
, just set the environment MINIO_LOCAL
to any value (and unset it to switch back to Play).
To run the live server tests, set a build flag as shown below:
stack test --flag minio-hs:live-test
# OR against a local MinIO server with:
MINIO_LOCAL=1 stack test --flag minio-hs:live-test
The configured CI system always runs both test-suites for every change.
Documentation can be locally built with:
stack haddock
Changes
Changelog
Version 1.5.2
- Fix region
us-west-2
for AWS S3 (#139) - Build examples in CI
- Disable live-server tests by default, but run them in CI
- Drop support for GHC 8.2.x
Version 1.5.1
- Add support for GHC 8.8
Version 1.5.0
- Switch to faster map data type - all previous usage of Data.Map.Strict and Data.Set is replaced with Data.HashMap.Strict and Data.HashSet.
- Add
oiUserMetadata
to parse and return user metadata stored with an object. - Add
GetObjectResponse
data type for the value returned bygetObject
. It now contains parsed ObjectInfo along with the conduit of object bytes.
Version 1.4.0
- Expose runMinioRes and runMinioResWith (#129)
- Improve Haddocks (#127)
- Fix list objects APIs to return directory prefixes when run with recurse set to False (#126)
- Use streaming signature for streaming payloads when on an insecure connection (#123)
Version 1.3.1
- Add TLS helpers to check if server uses TLS, and to disable certificate validation for easier testing (#121)
Version 1.3.0
- Retry requests that timeout using full-jitter backoff (#119)
- Accept GetObjectOptions in statObject (#112)
- Add encryption options to GetObjectOptions and PutObjectOptions (#111)
- Add missing Haddock documentation (#110)
- Add support for S3Select API (#108)
- New travis with support for multiple GHCs (#106)
- Fix region setting in presigned url functions (#107)
Version 1.2.0
- Export Provider and findFirst to look for credentials (#103)
Version 1.1.0
This version brings the following changes:
- Adds experimental Admin APIs (#88, #91, #93, #94, #95, #100)
- Adds support for using Google Compute Storage service when S3 compatibility mode is enabled (#96, #99)
This version also brings some breaking changes (via #101):
- Adds IsString instance to load server address, and updates initialization API to be more user friendly
- Drops usage of data-default package and exposes explicit default values for various types used in the library.
Version 1.0.1
This version brings the following (non-breaking) changes:
- Remove dependency on text-format (#86)
- Remove direct dependency on exceptions (#87)
- Adds lower-bounds on dependencies.
Version 1.0.0
This new release changes the following APIs to add new capabilities:
- Copy Object API now supports more options for source and destination (#73)
- get/put Object functions now support a wider set of options via a separate settings parameter (#71, #72)
- getBucketPolicy and setBucketPolicy APIs are added (#82)
- The library now uses UnliftIO (#83)
Version 0.3.2
This release brings the following changes:
- Add
removeIncompleteUpload
API (#49) - Add presigned operations APIs (#56)
- Add presigned Post Policy API (#58)
- Skip SHA256 checksum header for secure connections (#65)
- Remove resuming capability in PutObject (#67)
- Add ListObjectsV1 API support (#66)
- Add Bucket Notification APIs (#59)
- Reverse #54 - tests fix.
Version 0.3.1
This is a bug-fix release:
- Fix concurrency bug in
limitedMapConcurrently
(#53) - Fix tests related to listing incomplete uploads to accommodate MinIO server’s changed behaviour to not list incomplete uploads. Note that running these tests against AWS S3 are expected to fail. (#54)
Version 0.3.0
This release includes a breaking change:
Users of the library need not call runResourceT
explicitly after
calling runMinio
. This is now done, within the runMinio
call
making usage a bit simpler.
Other changes:
- Export ListUploadsResult and ListObjectsResult (#48)
- Also take max-keys as an argument for listObjects and max-uploads for listIncompleteUploads.
- Add bucket and object name validation (#45)
- Add bucketExists and headBucket APIs (#42)
Version 0.2.1
- Update dependencies, and switch to Stackage LTS 8.5
Version 0.2.0
This is an interim release which brings some new features. However, the library is not complete and APIs may change.
- Remove
listIncompleteParts
API and augmentlistIncompleteUploads
API with information about aggregate size of parts uploaded. - Refactors error types and simpler error throwing/handling behaviour.
- Add
removeObject
API to delete objects from the service. - Rename
Network.Minio.getService
toNetwork.Minio.listBuckets
. - Add
docs/API.md
and examples directory with comprehensive documentation and examples of high-level APIs exported by the library. - Rename types:
- Rename PartInfo -> PartTuple
- Rename ListPartInfo -> ObjectPartInfo
- Add a bucket region cache to avoid locating a bucket’s region for every operation (mainly useful for AWS S3).
- Add new
copyObject
API to perform server side object copying. - Rename
putObjectFromSource
API asputObject
. - Separate out tests into two suites, one with a live-server and the other without any external dependencies.