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https://github.com/minio/minio-go

MinIO Go client SDK for S3 compatible object storage
https://github.com/minio/minio-go

aws-signature client-sdk cloud fileuploader go libraries minio s3

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MinIO Go client SDK for S3 compatible object storage

Host: GitHub
URL: https://github.com/minio/minio-go
Owner: minio
License: apache-2.0
Created: 2015-05-02T02:36:46.000Z (over 9 years ago)
Default Branch: master
Last Pushed: 2024-04-26T21:20:47.000Z (8 months ago)
Last Synced: 2024-04-29T16:32:34.681Z (8 months ago)
Topics: aws-signature, client-sdk, cloud, fileuploader, go, libraries, minio, s3
Language: Go
Homepage: https://docs.min.io/docs/golang-client-quickstart-guide.html
Size: 6.33 MB
Stars: 2,264
Watchers: 48
Forks: 609
Open Issues: 16
Metadata Files:
- Readme: README.md
- Contributing: CONTRIBUTING.md
- License: LICENSE
- Code of conduct: code_of_conduct.md

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awesome - minio-go - MinIO Client SDK for Go (Storage)

README

        # MinIO Go Client SDK for Amazon S3 Compatible Cloud Storage [![Slack](https://slack.min.io/slack?type=svg)](https://slack.min.io) [![Sourcegraph](https://sourcegraph.com/github.com/minio/minio-go/-/badge.svg)](https://sourcegraph.com/github.com/minio/minio-go?badge) [![Apache V2 License](https://img.shields.io/badge/license-Apache%20V2-blue.svg)](https://github.com/minio/minio-go/blob/master/LICENSE)

The MinIO Go Client SDK provides straightforward APIs to access any Amazon S3 compatible object storage.

This Quickstart Guide covers how to install the MinIO client SDK, connect to MinIO, and create a sample file uploader.

For a complete list of APIs and examples, see the [godoc documentation](https://pkg.go.dev/github.com/minio/minio-go/v7) or [Go Client API Reference](https://min.io/docs/minio/linux/developers/go/API.html).

These examples presume a working [Go development environment](https://golang.org/doc/install) and the [MinIO `mc` command line tool](https://min.io/docs/minio/linux/reference/minio-mc.html).

## Download from Github

From your project directory:

```sh

go get github.com/minio/minio-go/v7

```

## Initialize a MinIO Client Object

The MinIO client requires the following parameters to connect to an Amazon S3 compatible object storage:

| Parameter         | Description                                                |

| ----------------- | ---------------------------------------------------------- |

| `endpoint`        | URL to object storage service.                             |

| `_minio.Options_` | All the options such as credentials, custom transport etc. |

```go

package main

import (

	"log"

	"github.com/minio/minio-go/v7"

	"github.com/minio/minio-go/v7/pkg/credentials"

)

func main() {

	endpoint := "play.min.io"

	accessKeyID := "Q3AM3UQ867SPQQA43P2F"

	secretAccessKey := "zuf+tfteSlswRu7BJ86wekitnifILbZam1KYY3TG"

	useSSL := true

	// Initialize minio client object.

	minioClient, err := minio.New(endpoint, &minio.Options{

		Creds:  credentials.NewStaticV4(accessKeyID, secretAccessKey, ""),

		Secure: useSSL,

	})

	if err != nil {

		log.Fatalln(err)

	}

	log.Printf("%#v\n", minioClient) // minioClient is now set up

}

```

## Example - File Uploader

This sample code connects to an object storage server, creates a bucket, and uploads a file to the bucket.

It uses the MinIO `play` server, a public MinIO cluster located at [https://play.min.io](https://play.min.io).

The `play` server runs the latest stable version of MinIO and may be used for testing and development.

The access credentials shown in this example are open to the public and all data uploaded to `play` should be considered public and non-protected.

### FileUploader.go

This example does the following:

- Connects to the MinIO `play` server using the provided credentials.

- Creates a bucket named `testbucket`.

- Uploads a file named `testdata` from `/tmp`.

- Verifies the file was created using `mc ls`.

```go

// FileUploader.go MinIO example

package main

import (

	"context"

	"log"

	"github.com/minio/minio-go/v7"

	"github.com/minio/minio-go/v7/pkg/credentials"

)

func main() {

	ctx := context.Background()

	endpoint := "play.min.io"

	accessKeyID := "Q3AM3UQ867SPQQA43P2F"

	secretAccessKey := "zuf+tfteSlswRu7BJ86wekitnifILbZam1KYY3TG"

	useSSL := true

	// Initialize minio client object.

	minioClient, err := minio.New(endpoint, &minio.Options{

		Creds:  credentials.NewStaticV4(accessKeyID, secretAccessKey, ""),

		Secure: useSSL,

	})

	if err != nil {

		log.Fatalln(err)

	}

	// Make a new bucket called testbucket.

	bucketName := "testbucket"

	location := "us-east-1"

	err = minioClient.MakeBucket(ctx, bucketName, minio.MakeBucketOptions{Region: location})

	if err != nil {

		// Check to see if we already own this bucket (which happens if you run this twice)

		exists, errBucketExists := minioClient.BucketExists(ctx, bucketName)

		if errBucketExists == nil && exists {

			log.Printf("We already own %s\n", bucketName)

		} else {

			log.Fatalln(err)

		}

	} else {

		log.Printf("Successfully created %s\n", bucketName)

	}

	// Upload the test file

	// Change the value of filePath if the file is in another location

	objectName := "testdata"

	filePath := "/tmp/testdata"

	contentType := "application/octet-stream"

	// Upload the test file with FPutObject

	info, err := minioClient.FPutObject(ctx, bucketName, objectName, filePath, minio.PutObjectOptions{ContentType: contentType})

	if err != nil {

		log.Fatalln(err)

	}

	log.Printf("Successfully uploaded %s of size %d\n", objectName, info.Size)

}

```

**1. Create a test file containing data:**

You can do this with `dd` on Linux or macOS systems:

```sh

dd if=/dev/urandom of=/tmp/testdata bs=2048 count=10

```

or `fsutil` on Windows:

```sh

fsutil file createnew "C:\Users\\Desktop\sample.txt" 20480

```

**2. Run FileUploader with the following commands:**

```sh

go mod init example/FileUploader

go get github.com/minio/minio-go/v7

go get github.com/minio/minio-go/v7/pkg/credentials

go run FileUploader.go

```

The output resembles the following:

```sh

2023/11/01 14:27:55 Successfully created testbucket

2023/11/01 14:27:55 Successfully uploaded testdata of size 20480

```

**3. Verify the Uploaded File With `mc ls`:**

```sh

mc ls play/testbucket

[2023-11-01 14:27:55 UTC]  20KiB STANDARD TestDataFile

```

## API Reference

The full API Reference is available here.

* [Complete API Reference](https://min.io/docs/minio/linux/developers/go/API.html)

### API Reference : Bucket Operations

* [`MakeBucket`](https://min.io/docs/minio/linux/developers/go/API.html#MakeBucket)

* [`ListBuckets`](https://min.io/docs/minio/linux/developers/go/API.html#ListBuckets)

* [`BucketExists`](https://min.io/docs/minio/linux/developers/go/API.html#BucketExists)

* [`RemoveBucket`](https://min.io/docs/minio/linux/developers/go/API.html#RemoveBucket)

* [`ListObjects`](https://min.io/docs/minio/linux/developers/go/API.html#ListObjects)

* [`ListIncompleteUploads`](https://min.io/docs/minio/linux/developers/go/API.html#ListIncompleteUploads)

### API Reference : Bucket policy Operations

* [`SetBucketPolicy`](https://min.io/docs/minio/linux/developers/go/API.html#SetBucketPolicy)

* [`GetBucketPolicy`](https://min.io/docs/minio/linux/developers/go/API.html#GetBucketPolicy)

### API Reference : Bucket notification Operations

* [`SetBucketNotification`](https://min.io/docs/minio/linux/developers/go/API.html#SetBucketNotification)

* [`GetBucketNotification`](https://min.io/docs/minio/linux/developers/go/API.html#GetBucketNotification)

* [`RemoveAllBucketNotification`](https://min.io/docs/minio/linux/developers/go/API.html#RemoveAllBucketNotification)

* [`ListenBucketNotification`](https://min.io/docs/minio/linux/developers/go/API.html#ListenBucketNotification) (MinIO Extension)

* [`ListenNotification`](https://min.io/docs/minio/linux/developers/go/API.html#ListenNotification) (MinIO Extension)

### API Reference : File Object Operations

* [`FPutObject`](https://min.io/docs/minio/linux/developers/go/API.html#FPutObject)

* [`FGetObject`](https://min.io/docs/minio/linux/developers/go/API.html#FGetObject)

### API Reference : Object Operations

* [`GetObject`](https://min.io/docs/minio/linux/developers/go/API.html#GetObject)

* [`PutObject`](https://min.io/docs/minio/linux/developers/go/API.html#PutObject)

* [`PutObjectStreaming`](https://min.io/docs/minio/linux/developers/go/API.html#PutObjectStreaming)

* [`StatObject`](https://min.io/docs/minio/linux/developers/go/API.html#StatObject)

* [`CopyObject`](https://min.io/docs/minio/linux/developers/go/API.html#CopyObject)

* [`RemoveObject`](https://min.io/docs/minio/linux/developers/go/API.html#RemoveObject)

* [`RemoveObjects`](https://min.io/docs/minio/linux/developers/go/API.html#RemoveObjects)

* [`RemoveIncompleteUpload`](https://min.io/docs/minio/linux/developers/go/API.html#RemoveIncompleteUpload)

* [`SelectObjectContent`](https://min.io/docs/minio/linux/developers/go/API.html#SelectObjectContent)

### API Reference : Presigned Operations

* [`PresignedGetObject`](https://min.io/docs/minio/linux/developers/go/API.html#PresignedGetObject)

* [`PresignedPutObject`](https://min.io/docs/minio/linux/developers/go/API.html#PresignedPutObject)

* [`PresignedHeadObject`](https://min.io/docs/minio/linux/developers/go/API.html#PresignedHeadObject)

* [`PresignedPostPolicy`](https://min.io/docs/minio/linux/developers/go/API.html#PresignedPostPolicy)

### API Reference : Client custom settings

* [`SetAppInfo`](https://min.io/docs/minio/linux/developers/go/API.html#SetAppInfo)

* [`TraceOn`](https://min.io/docs/minio/linux/developers/go/API.html#TraceOn)

* [`TraceOff`](https://min.io/docs/minio/linux/developers/go/API.html#TraceOff)

## Full Examples

### Full Examples : Bucket Operations

* [makebucket.go](https://github.com/minio/minio-go/blob/master/examples/s3/makebucket.go)

* [listbuckets.go](https://github.com/minio/minio-go/blob/master/examples/s3/listbuckets.go)

* [bucketexists.go](https://github.com/minio/minio-go/blob/master/examples/s3/bucketexists.go)

* [removebucket.go](https://github.com/minio/minio-go/blob/master/examples/s3/removebucket.go)

* [listobjects.go](https://github.com/minio/minio-go/blob/master/examples/s3/listobjects.go)

* [listobjectsV2.go](https://github.com/minio/minio-go/blob/master/examples/s3/listobjectsV2.go)

* [listincompleteuploads.go](https://github.com/minio/minio-go/blob/master/examples/s3/listincompleteuploads.go)

### Full Examples : Bucket policy Operations

* [setbucketpolicy.go](https://github.com/minio/minio-go/blob/master/examples/s3/setbucketpolicy.go)

* [getbucketpolicy.go](https://github.com/minio/minio-go/blob/master/examples/s3/getbucketpolicy.go)

* [listbucketpolicies.go](https://github.com/minio/minio-go/blob/master/examples/s3/listbucketpolicies.go)

### Full Examples : Bucket lifecycle Operations

* [setbucketlifecycle.go](https://github.com/minio/minio-go/blob/master/examples/s3/setbucketlifecycle.go)

* [getbucketlifecycle.go](https://github.com/minio/minio-go/blob/master/examples/s3/getbucketlifecycle.go)

### Full Examples : Bucket encryption Operations

* [setbucketencryption.go](https://github.com/minio/minio-go/blob/master/examples/s3/setbucketencryption.go)

* [getbucketencryption.go](https://github.com/minio/minio-go/blob/master/examples/s3/getbucketencryption.go)

* [removebucketencryption.go](https://github.com/minio/minio-go/blob/master/examples/s3/removebucketencryption.go)

### Full Examples : Bucket replication Operations

* [setbucketreplication.go](https://github.com/minio/minio-go/blob/master/examples/s3/setbucketreplication.go)

* [getbucketreplication.go](https://github.com/minio/minio-go/blob/master/examples/s3/getbucketreplication.go)

* [removebucketreplication.go](https://github.com/minio/minio-go/blob/master/examples/s3/removebucketreplication.go)

### Full Examples : Bucket notification Operations

* [setbucketnotification.go](https://github.com/minio/minio-go/blob/master/examples/s3/setbucketnotification.go)

* [getbucketnotification.go](https://github.com/minio/minio-go/blob/master/examples/s3/getbucketnotification.go)

* [removeallbucketnotification.go](https://github.com/minio/minio-go/blob/master/examples/s3/removeallbucketnotification.go)

* [listenbucketnotification.go](https://github.com/minio/minio-go/blob/master/examples/minio/listenbucketnotification.go) (MinIO Extension)

* [listennotification.go](https://github.com/minio/minio-go/blob/master/examples/minio/listen-notification.go) (MinIO Extension)

### Full Examples : File Object Operations

* [fputobject.go](https://github.com/minio/minio-go/blob/master/examples/s3/fputobject.go)

* [fgetobject.go](https://github.com/minio/minio-go/blob/master/examples/s3/fgetobject.go)

### Full Examples : Object Operations

* [putobject.go](https://github.com/minio/minio-go/blob/master/examples/s3/putobject.go)

* [getobject.go](https://github.com/minio/minio-go/blob/master/examples/s3/getobject.go)

* [statobject.go](https://github.com/minio/minio-go/blob/master/examples/s3/statobject.go)

* [copyobject.go](https://github.com/minio/minio-go/blob/master/examples/s3/copyobject.go)

* [removeobject.go](https://github.com/minio/minio-go/blob/master/examples/s3/removeobject.go)

* [removeincompleteupload.go](https://github.com/minio/minio-go/blob/master/examples/s3/removeincompleteupload.go)

* [removeobjects.go](https://github.com/minio/minio-go/blob/master/examples/s3/removeobjects.go)

### Full Examples : Encrypted Object Operations

* [put-encrypted-object.go](https://github.com/minio/minio-go/blob/master/examples/s3/put-encrypted-object.go)

* [get-encrypted-object.go](https://github.com/minio/minio-go/blob/master/examples/s3/get-encrypted-object.go)

* [fput-encrypted-object.go](https://github.com/minio/minio-go/blob/master/examples/s3/fputencrypted-object.go)

### Full Examples : Presigned Operations

* [presignedgetobject.go](https://github.com/minio/minio-go/blob/master/examples/s3/presignedgetobject.go)

* [presignedputobject.go](https://github.com/minio/minio-go/blob/master/examples/s3/presignedputobject.go)

* [presignedheadobject.go](https://github.com/minio/minio-go/blob/master/examples/s3/presignedheadobject.go)

* [presignedpostpolicy.go](https://github.com/minio/minio-go/blob/master/examples/s3/presignedpostpolicy.go)

## Explore Further

* [Godoc Documentation](https://pkg.go.dev/github.com/minio/minio-go/v7)

* [Complete Documentation](https://min.io/docs/minio/kubernetes/upstream/index.html)

* [MinIO Go Client SDK API Reference](https://min.io/docs/minio/linux/developers/go/API.html)

## Contribute

[Contributors Guide](https://github.com/minio/minio-go/blob/master/CONTRIBUTING.md)

## License

This SDK is distributed under the [Apache License, Version 2.0](https://www.apache.org/licenses/LICENSE-2.0), see [LICENSE](https://github.com/minio/minio-go/blob/master/LICENSE) and [NOTICE](https://github.com/minio/minio-go/blob/master/NOTICE) for more information.