github.com/minio/minio-go/v6@v6.0.57/examples/s3/removeobjects.go (about)

     1  // +build ignore
     2  
     3  /*
     4   * MinIO Go Library for Amazon S3 Compatible Cloud Storage
     5   * Copyright 2015-2017 MinIO, Inc.
     6   *
     7   * Licensed under the Apache License, Version 2.0 (the "License");
     8   * you may not use this file except in compliance with the License.
     9   * You may obtain a copy of the License at
    10   *
    11   *     http://www.apache.org/licenses/LICENSE-2.0
    12   *
    13   * Unless required by applicable law or agreed to in writing, software
    14   * distributed under the License is distributed on an "AS IS" BASIS,
    15   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    16   * See the License for the specific language governing permissions and
    17   * limitations under the License.
    18   */
    19  
    20  package main
    21  
    22  import (
    23  	"log"
    24  
    25  	"github.com/minio/minio-go/v6"
    26  )
    27  
    28  func main() {
    29  	// Note: YOUR-ACCESSKEYID, YOUR-SECRETACCESSKEY, my-bucketname and my-objectname
    30  	// are dummy values, please replace them with original values.
    31  
    32  	// Requests are always secure (HTTPS) by default. Set secure=false to enable insecure (HTTP) access.
    33  	// This boolean value is the last argument for New().
    34  
    35  	// New returns an Amazon S3 compatible client object. API compatibility (v2 or v4) is automatically
    36  	// determined based on the Endpoint value.
    37  	s3Client, err := minio.New("s3.amazonaws.com", "YOUR-ACCESSKEYID", "YOUR-SECRETACCESSKEY", true)
    38  	if err != nil {
    39  		log.Fatalln(err)
    40  	}
    41  
    42  	objectsCh := make(chan string)
    43  
    44  	// Send object names that are needed to be removed to objectsCh
    45  	go func() {
    46  		defer close(objectsCh)
    47  
    48  		doneCh := make(chan struct{})
    49  
    50  		// Indicate to our routine to exit cleanly upon return.
    51  		defer close(doneCh)
    52  
    53  		// List all objects from a bucket-name with a matching prefix.
    54  		for object := range s3Client.ListObjects("my-bucketname", "my-prefixname", true, doneCh) {
    55  			if object.Err != nil {
    56  				log.Fatalln(object.Err)
    57  			}
    58  			objectsCh <- object.Key
    59  		}
    60  	}()
    61  
    62  	// Call RemoveObjects API
    63  	errorCh := s3Client.RemoveObjects("my-bucketname", objectsCh)
    64  
    65  	// Print errors received from RemoveObjects API
    66  	for e := range errorCh {
    67  		log.Fatalln("Failed to remove " + e.ObjectName + ", error: " + e.Err.Error())
    68  	}
    69  
    70  	log.Println("Success")
    71  }