| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License 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 org.apache.hadoop.fs.s3a; |
| |
| import org.apache.hadoop.classification.InterfaceAudience; |
| import org.apache.hadoop.classification.InterfaceStability; |
| import org.apache.hadoop.fs.s3a.auth.IAMInstanceCredentialsProvider; |
| import org.apache.hadoop.fs.s3a.auth.NoAwsCredentialsException; |
| |
| /** |
| * This credential provider has jittered between existing and non-existing, |
| * but it turns up in documentation enough that it has been restored. |
| * It extends {@link IAMInstanceCredentialsProvider} to pick up its |
| * bindings, which are currently to use the |
| * {@code EC2ContainerCredentialsProviderWrapper} class for IAM and container |
| * authentication. |
| * <p> |
| * When it fails to authenticate, it raises a |
| * {@link NoAwsCredentialsException} which can be recognized by retry handlers |
| * as a non-recoverable failure. |
| * <p> |
| * It is implicitly public; marked evolving as we can change its semantics. |
| */ |
| @InterfaceAudience.Public |
| @InterfaceStability.Evolving |
| @SuppressWarnings("deprecation") |
| public final class SharedInstanceCredentialProvider extends IAMInstanceCredentialsProvider { |
| } |
