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s3_set_default_encryption.go

Enables KMS server-side encryption on any objects added to to an S3 bucket.

/* Copyright 2010-2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. This file is licensed under the Apache License, Version 2.0 (the "License"). You may not use this file except in compliance with the License. A copy of the License is located at http://aws.amazon.com/apache2.0/ This file 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. */ package main import ( "github.com/aws/aws-sdk-go/aws" "github.com/aws/aws-sdk-go/aws/session" "github.com/aws/aws-sdk-go/service/s3" "fmt" "os" ) func main() { if len(os.Args) != 2 { fmt.Println("You must supply a key") os.Exit(1) } key := os.Args[1] bucket := "myBucket" // Initialize a session that the SDK uses to load // credentials from the shared credentials file ~/.aws/credentials // and configuration from the shared configuration file ~/.aws/config. sess := session.Must(session.NewSessionWithOptions(session.Options{ SharedConfigState: session.SharedConfigEnable, })) svc := s3.New(sess) // Encrypt with KMS by default defEnc := &s3.ServerSideEncryptionByDefault{KMSMasterKeyID: aws.String(key), SSEAlgorithm: aws.String(s3.ServerSideEncryptionAwsKms)} rule := &s3.ServerSideEncryptionRule{ApplyServerSideEncryptionByDefault: defEnc} rules := []*s3.ServerSideEncryptionRule{rule} serverConfig := &s3.ServerSideEncryptionConfiguration{Rules: rules} input := &s3.PutBucketEncryptionInput{Bucket: aws.String(bucket), ServerSideEncryptionConfiguration: serverConfig} _, err := svc.PutBucketEncryption(input) if err != nil { fmt.Println("Got an error adding default KMS encryption to bucket", bucket) fmt.Println(err.Error()) os.Exit(1) } fmt.Println("Bucket " + bucket + " now has KMS encryption by default") }

Sample Details

Service: s3

Last tested: 2018-03-16

Author: Doug-AWS

Type: full-example

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