| 1 | /** |
| 2 | * Licensed to jclouds, Inc. (jclouds) under one or more |
| 3 | * contributor license agreements. See the NOTICE file |
| 4 | * distributed with this work for additional information |
| 5 | * regarding copyright ownership. jclouds licenses this file |
| 6 | * to you under the Apache License, Version 2.0 (the |
| 7 | * "License"); you may not use this file except in compliance |
| 8 | * with the License. You may obtain a copy of the License at |
| 9 | * |
| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | * |
| 12 | * Unless required by applicable law or agreed to in writing, |
| 13 | * software distributed under the License is distributed on an |
| 14 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| 15 | * KIND, either express or implied. See the License for the |
| 16 | * specific language governing permissions and limitations |
| 17 | * under the License. |
| 18 | */ |
| 19 | package org.jclouds.compute.config; |
| 20 | |
| 21 | import java.util.Map; |
| 22 | |
| 23 | import org.jclouds.javax.annotation.Nullable; |
| 24 | |
| 25 | import org.jclouds.compute.domain.NodeMetadata; |
| 26 | import org.jclouds.compute.domain.NodeMetadataBuilder; |
| 27 | import org.jclouds.compute.internal.PersistNodeCredentials; |
| 28 | import org.jclouds.domain.Credentials; |
| 29 | import org.jclouds.scriptbuilder.domain.Statement; |
| 30 | import org.jclouds.scriptbuilder.functions.CredentialsFromAdminAccess; |
| 31 | |
| 32 | import com.google.common.base.Function; |
| 33 | import com.google.inject.AbstractModule; |
| 34 | import com.google.inject.Inject; |
| 35 | import com.google.inject.TypeLiteral; |
| 36 | import com.google.inject.assistedinject.Assisted; |
| 37 | import com.google.inject.assistedinject.FactoryModuleBuilder; |
| 38 | import com.google.inject.name.Names; |
| 39 | |
| 40 | /** |
| 41 | * |
| 42 | * @author Adrian Cole |
| 43 | */ |
| 44 | public class PersistNodeCredentialsModule extends AbstractModule { |
| 45 | |
| 46 | static class RefreshCredentialsForNodeIfRanAdminAccess implements Function<NodeMetadata, NodeMetadata> { |
| 47 | protected final Map<String, Credentials> credentialStore; |
| 48 | protected final Statement statement; |
| 49 | |
| 50 | @Inject |
| 51 | protected RefreshCredentialsForNodeIfRanAdminAccess(Map<String, Credentials> credentialStore, |
| 52 | @Nullable @Assisted Statement statement) { |
| 53 | this.credentialStore = credentialStore; |
| 54 | this.statement = statement; |
| 55 | } |
| 56 | |
| 57 | @Override |
| 58 | public NodeMetadata apply(NodeMetadata input) { |
| 59 | if (statement == null) |
| 60 | return input; |
| 61 | Credentials credentials = CredentialsFromAdminAccess.INSTANCE.apply(statement); |
| 62 | if (credentials != null) { |
| 63 | input = NodeMetadataBuilder.fromNodeMetadata(input).credentials(credentials).build(); |
| 64 | credentialStore.put("node#" + input.getId(), input.getCredentials()); |
| 65 | } |
| 66 | return input; |
| 67 | } |
| 68 | |
| 69 | } |
| 70 | |
| 71 | static class RefreshCredentialsForNode extends RefreshCredentialsForNodeIfRanAdminAccess { |
| 72 | |
| 73 | @Inject |
| 74 | public RefreshCredentialsForNode(Map<String, Credentials> credentialStore, @Assisted @Nullable Statement statement) { |
| 75 | super(credentialStore, statement); |
| 76 | } |
| 77 | |
| 78 | @Override |
| 79 | public NodeMetadata apply(NodeMetadata input) { |
| 80 | input = super.apply(input); |
| 81 | if (input.getCredentials() != null) |
| 82 | credentialStore.put("node#" + input.getId(), input.getCredentials()); |
| 83 | return input; |
| 84 | } |
| 85 | |
| 86 | } |
| 87 | |
| 88 | @Override |
| 89 | protected void configure() { |
| 90 | |
| 91 | install(new FactoryModuleBuilder().implement(new TypeLiteral<Function<NodeMetadata, NodeMetadata>>() { |
| 92 | }, Names.named("ifAdminAccess"), RefreshCredentialsForNodeIfRanAdminAccess.class) |
| 93 | .implement(new TypeLiteral<Function<NodeMetadata, NodeMetadata>>() { |
| 94 | }, Names.named("always"), RefreshCredentialsForNode.class).build(PersistNodeCredentials.class)); |
| 95 | } |
| 96 | |
| 97 | } |