forked from awsdocs/aws-doc-sdk-examples
-
Notifications
You must be signed in to change notification settings - Fork 0
/
ListObjects.go
86 lines (72 loc) · 2.23 KB
/
ListObjects.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
// snippet-start:[s3.go.list_objects]
package main
// snippet-start:[s3.go.list_objects.imports]
import (
"flag"
"fmt"
"github.com/aws/aws-sdk-go/aws/session"
"github.com/aws/aws-sdk-go/service/s3"
)
// snippet-end:[s3.go.list_objects.imports]
// GetObjects retrieves the objects in an Amazon S3 bucket
// Inputs:
//
// sess is the current session, which provides configuration for the SDK's service clients
// bucket is the name of the bucket
//
// Output:
//
// If success, the list of objects and nil
// Otherwise, nil and an error from the call to ListObjectsV2
func GetObjects(sess *session.Session, bucket *string) (*s3.ListObjectsV2Output, error) {
// snippet-start:[s3.go.list_objects.call]
svc := s3.New(sess)
// Get the list of items
resp, err := svc.ListObjectsV2(&s3.ListObjectsV2Input{Bucket: bucket})
// snippet-end:[s3.go.list_objects.call]
if err != nil {
return nil, err
}
return resp, nil
}
// Lists the items in the specified S3 bucket
//
// Usage:
//
// go run s3_list_objects.go BUCKET_NAME
func main() {
// snippet-start:[s3.go.list_objects.args]
bucket := flag.String("b", "", "The name of the bucket")
flag.Parse()
if *bucket == "" {
fmt.Println("You must supply the name of a bucket (-b BUCKET)")
return
}
// snippet-end:[s3.go.list_objects.args]
// snippet-start:[s3.go.list_objects.session]
sess := session.Must(session.NewSessionWithOptions(session.Options{
SharedConfigState: session.SharedConfigEnable,
}))
// snippet-end:[s3.go.list_objects.session]
resp, err := GetObjects(sess, bucket)
if err != nil {
fmt.Println("Got error retrieving list of objects:")
fmt.Println(err)
return
}
// snippet-start:[s3.go.list_objects.print]
fmt.Println("Objects in " + *bucket + ":")
for _, item := range resp.Contents {
fmt.Println("Name: ", *item.Key)
fmt.Println("Last modified: ", *item.LastModified)
fmt.Println("Size: ", *item.Size)
fmt.Println("Storage class: ", *item.StorageClass)
fmt.Println("")
}
fmt.Println("Found", len(resp.Contents), "items in bucket", bucket)
fmt.Println("")
// snippet-end:[s3.go.list_objects.print]
}
// snippet-end:[s3.go.list_objects]