| /* |
| * Licensed to jclouds, Inc. (jclouds) under one or more |
| * contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. jclouds 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.jclouds.nodepool.internal; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static com.google.common.base.Preconditions.checkState; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.util.Collections; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import javax.inject.Named; |
| |
| import org.jclouds.compute.domain.NodeMetadata; |
| import org.jclouds.compute.domain.NodeMetadataBuilder; |
| import org.jclouds.compute.options.TemplateOptions; |
| import org.jclouds.domain.LoginCredentials; |
| import org.jclouds.json.Json; |
| import org.jclouds.util.Strings2; |
| |
| import com.google.common.base.Supplier; |
| import com.google.common.base.Throwables; |
| import com.google.common.collect.Sets; |
| import com.google.inject.Inject; |
| import com.google.inject.Singleton; |
| |
| /** |
| * An implementation of {@link NodeMetadataStore} that stores all that is needed by building a json |
| * string. |
| * |
| * @author David Alves |
| * |
| */ |
| @Singleton |
| public class JsonNodeMetadataStore implements NodeMetadataStore { |
| |
| private Supplier<Map<String, InputStream>> storage; |
| private final Json json; |
| |
| private static class JsonUserNodeMetadata { |
| private String group; |
| private Set<String> tags; |
| private Map<String, String> userMetadata; |
| private String user; |
| private String password; |
| private String privateKey; |
| private boolean authenticateSudo; |
| } |
| |
| @Inject |
| public JsonNodeMetadataStore(@Named("METADATA") Supplier<Map<String, InputStream>> storage, Json json) { |
| this.storage = storage; |
| this.json = json; |
| } |
| |
| @Override |
| public NodeMetadata store(NodeMetadata backendNodeMetadata, TemplateOptions userOptions, String userGroup) { |
| checkNotNull(backendNodeMetadata); |
| checkNotNull(userGroup); |
| checkNotNull(userOptions); |
| checkNotNull(userOptions.getLoginUser()); |
| checkState(userOptions.getLoginPassword() != null || userOptions.getLoginPrivateKey() != null); |
| JsonUserNodeMetadata jsonMetadata = new JsonUserNodeMetadata(); |
| jsonMetadata.user = userOptions.getLoginUser(); |
| jsonMetadata.password = userOptions.getLoginPassword(); |
| jsonMetadata.privateKey = userOptions.getLoginPrivateKey(); |
| jsonMetadata.authenticateSudo = userOptions.shouldAuthenticateSudo() != null ? userOptions |
| .shouldAuthenticateSudo().booleanValue() : false; |
| jsonMetadata.userMetadata = userOptions.getUserMetadata(); |
| jsonMetadata.tags = userOptions.getTags(); |
| jsonMetadata.group = userGroup; |
| storage.get().put(backendNodeMetadata.getId(), Strings2.toInputStream(json.toJson(jsonMetadata))); |
| return buildFromJsonAndBackendMetadata(backendNodeMetadata, jsonMetadata); |
| } |
| |
| @Override |
| public NodeMetadata load(NodeMetadata backendNodeMetadata) { |
| try { |
| InputStream storedMetadata = storage.get().get(checkNotNull(backendNodeMetadata).getId()); |
| if (storedMetadata == null) { |
| return null; |
| } |
| String jsonMetadataAsString = Strings2.toStringAndClose(storedMetadata); |
| JsonUserNodeMetadata jsonMetadata = json.fromJson(jsonMetadataAsString, JsonUserNodeMetadata.class); |
| return buildFromJsonAndBackendMetadata(backendNodeMetadata, jsonMetadata); |
| } catch (IOException e) { |
| throw Throwables.propagate(e); |
| } |
| } |
| |
| @Override |
| public Set<NodeMetadata> loadAll(Set<NodeMetadata> backendNodes) { |
| if (backendNodes == null || backendNodes.isEmpty()) { |
| return Collections.emptySet(); |
| } |
| final Set<NodeMetadata> loadedSet = Sets.newLinkedHashSet(); |
| for (NodeMetadata input : backendNodes) { |
| NodeMetadata loaded = load(input); |
| if (loaded != null) { |
| loadedSet.add(loaded); |
| } |
| |
| } |
| return loadedSet; |
| } |
| |
| private NodeMetadata buildFromJsonAndBackendMetadata(NodeMetadata backendNodeMetadata, |
| JsonUserNodeMetadata jsonMetadata) { |
| return NodeMetadataBuilder |
| .fromNodeMetadata(backendNodeMetadata) |
| .tags(jsonMetadata.tags) |
| .group(jsonMetadata.group) |
| .userMetadata(jsonMetadata.userMetadata) |
| .credentials( |
| new LoginCredentials(jsonMetadata.user, jsonMetadata.password, jsonMetadata.privateKey, |
| jsonMetadata.authenticateSudo)).build(); |
| } |
| |
| @Override |
| public void deleteAllMappings() { |
| storage.get().clear(); |
| } |
| |
| @Override |
| public void deleteMapping(String backendNodeId) { |
| storage.get().remove(backendNodeId); |
| } |
| |
| } |