/*
* 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.jclouds.compute.config;
import java.util.Map;
import org.jclouds.compute.domain.NodeMetadata;
import org.jclouds.compute.domain.NodeMetadataBuilder;
import org.jclouds.compute.internal.PersistNodeCredentials;
import org.jclouds.domain.Credentials;
import org.jclouds.domain.LoginCredentials;
import org.jclouds.javax.annotation.Nullable;
import org.jclouds.scriptbuilder.domain.Statement;
import org.jclouds.scriptbuilder.functions.CredentialsFromAdminAccess;
import com.google.common.base.Function;
import com.google.inject.AbstractModule;
import com.google.inject.Inject;
import com.google.inject.TypeLiteral;
import com.google.inject.assistedinject.Assisted;
import com.google.inject.assistedinject.FactoryModuleBuilder;
import com.google.inject.name.Names;
/**
*
* @author Adrian Cole
*/
public class PersistNodeCredentialsModule extends AbstractModule {
static class RefreshCredentialsForNodeIfRanAdminAccess implements Function<NodeMetadata, NodeMetadata> {
protected final Map<String, Credentials> credentialStore;
protected final Statement statement;
@Inject
protected RefreshCredentialsForNodeIfRanAdminAccess(Map<String, Credentials> credentialStore,
@Nullable @Assisted Statement statement) {
this.credentialStore = credentialStore;
this.statement = statement;
}
@Override
public NodeMetadata apply(NodeMetadata input) {
if (statement == null)
return input;
Credentials credentials = CredentialsFromAdminAccess.INSTANCE.apply(statement);
if (credentials != null) {
LoginCredentials creds = LoginCredentials.fromCredentials(credentials);
input = NodeMetadataBuilder.fromNodeMetadata(input).credentials(creds).build();
credentialStore.put("node#" + input.getId(), input.getCredentials());
}
return input;
}
}
static class RefreshCredentialsForNode extends RefreshCredentialsForNodeIfRanAdminAccess {
@Inject
public RefreshCredentialsForNode(Map<String, Credentials> credentialStore, @Assisted @Nullable Statement statement) {
super(credentialStore, statement);
}
@Override
public NodeMetadata apply(NodeMetadata input) {
input = super.apply(input);
if (input.getCredentials() != null)
credentialStore.put("node#" + input.getId(), input.getCredentials());
return input;
}
}
@Override
protected void configure() {
install(new FactoryModuleBuilder().implement(new TypeLiteral<Function<NodeMetadata, NodeMetadata>>() {
}, Names.named("ifAdminAccess"), RefreshCredentialsForNodeIfRanAdminAccess.class)
.implement(new TypeLiteral<Function<NodeMetadata, NodeMetadata>>() {
}, Names.named("always"), RefreshCredentialsForNode.class).build(PersistNodeCredentials.class));
}
}