Authenticating Go AWS SDK v2 using assume roles
2021-04-30
For self reference:
To authenticate the Golang AWS SDK v2 using assume roles, refer to the following code snippets:
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| ctx := context.Background() | |
| assumecnf, _ := config.LoadDefaultConfig( | |
| ctx, config.WithRegion("{aws-region}"), | |
| config.WithCredentialsProvider(aws.NewCredentialsCache( | |
| credentials.NewStaticCredentialsProvider( | |
| "{aws-assume-role-key}", | |
| "{aws-assume-role-secret}", "", | |
| )), | |
| ), | |
| ) | |
| stsclient := sts.NewFromConfig(assumecnf) | |
| cnf, _ := config.LoadDefaultConfig( | |
| ctx, config.WithRegion("{aws-region}"), | |
| config.WithCredentialsProvider(aws.NewCredentialsCache( | |
| stscredsv2.NewAssumeRoleProvider( | |
| stsclient, | |
| "{rolearn-to-assume}", | |
| )), | |
| ), | |
| ) | |
| client := s3.NewFromConfig(cnf) | |
| res, _ := client.GetObject(ctx, &s3.GetObjectInput{ | |
| Bucket: awsv2.String("{some-bucket}"), | |
| Key: awsv2.String("{some-key}"), | |
| }) | |
| ... |