/*
* 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.nodepool.config;
import java.io.File;
import java.io.InputStream;
import java.util.Map;
import java.util.Properties;
import java.util.Set;
import javax.inject.Named;
import javax.inject.Singleton;
import org.jclouds.ContextBuilder;
import org.jclouds.blobstore.BlobStoreContext;
import org.jclouds.filesystem.reference.FilesystemConstants;
import org.jclouds.lifecycle.Closer;
import org.jclouds.nodepool.Backend;
import com.google.common.base.Function;
import com.google.common.base.Supplier;
import com.google.common.base.Suppliers;
import com.google.inject.Exposed;
import com.google.inject.Module;
import com.google.inject.Provides;
public class BindInputStreamToFilesystemBlobStore extends BindJcloudsModules {
@Override
protected void configure() {
}
@Provides
@Singleton
@Exposed
@Named("METADATA")
protected Supplier<Map<String, InputStream>> provideInputStreamMapFromBlobStore(Supplier<BlobStoreContext> in,
@Named(NodePoolProperties.METADATA_CONTAINER) final String container) {
return Suppliers.ofInstance(new Function<BlobStoreContext, Map<String, InputStream>>() {
@Override
public Map<String, InputStream> apply(BlobStoreContext input) {
input.getBlobStore().createContainerInLocation(null, container);
return input.createInputStreamMap(container);
}
}.apply(in.get()));
}
@Provides
@Singleton
protected Supplier<BlobStoreContext> makeBlobStoreContext(@Named(NodePoolProperties.BASEDIR) final String basedir,
@Backend final Set<Module> modules, final Closer closer) {
final Properties overrides = new Properties();
overrides.setProperty(FilesystemConstants.PROPERTY_BASEDIR, basedir);
return Suppliers.memoize(new Supplier<BlobStoreContext>() {
@Override
public BlobStoreContext get() {
// GAE alert!
new File(basedir).mkdirs();
BlobStoreContext returnVal = ContextBuilder.newBuilder("filesystem").overrides(overrides).modules(modules)
.buildView(BlobStoreContext.class);
closer.addToClose(returnVal);
return returnVal;
}
});
}
}