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s3_delete_bucket_policy.go
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s3_delete_bucket_policy.go
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// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
package main
import (
"fmt"
"os"
"path/filepath"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/awserr"
"github.com/aws/aws-sdk-go/aws/session"
"github.com/aws/aws-sdk-go/service/s3"
)
// Deletes the policy on a bucket. If the bucket doesn't exist, or there was
// and error an error message will be printed instead.
//
// Usage:
//
// go run s3_delete_bucket_policy.go BUCKET_NAME
func main() {
if len(os.Args) != 2 {
exitErrorf("bucket name required\nUsage: %s bucket_name",
filepath.Base(os.Args[0]))
}
bucket := os.Args[1]
// Initialize a session in us-west-2 that the SDK will use to load
// credentials from the shared credentials file ~/.aws/credentials.
sess, err := session.NewSession(&aws.Config{
Region: aws.String("us-west-2")},
)
// Create S3 service client
svc := s3.New(sess)
// Call S3 to delete the policy on the bucket.
_, err = svc.DeleteBucketPolicy(&s3.DeleteBucketPolicyInput{
Bucket: aws.String(bucket),
})
if err != nil {
if aerr, ok := err.(awserr.Error); ok && aerr.Code() == s3.ErrCodeNoSuchBucket {
// Special error handling for the when the bucket doesn't
// exists so we can give a more direct error message from the CLI.
exitErrorf("Bucket %q does not exist", bucket)
}
exitErrorf("Unable to delete bucket %q policy, %v", bucket, err)
}
fmt.Printf("Successfully deleted the policy on bucket %q.\n", bucket)
}
func exitErrorf(msg string, args ...interface{}) {
fmt.Fprintf(os.Stderr, msg+"\n", args...)
os.Exit(1)
}